All Stories

  1. Effects of spatial and seasonal factors on the characteristics and carbonyl index of (micro)plastics in a sandy beach in Aveiro, Portugal
  2. A new approach for routine quantification of microplastics using Nile Red and automated software (MP-VAT)
  3. Identifying a quick and efficient method of removing organic matter without damaging microplastic samples
  4. White bean (Phaseolus vulgaris L.) as a sorbent for the removal of zinc from rainwater
  5. Solutions and Integrated Strategies for the Control and Mitigation of Plastic and Microplastic Pollution
  6. Effects of microplastics on microalgae populations: A critical review
  7. Multivariate Analysis for Assessing Sources, and Potential Risks of Polycyclic Aromatic Hydrocarbons in Lisbon Urban Soils
  8. Biotechnological tools for the effective management of plastics in the environment
  9. Evaluation of a single extraction test to estimate the human oral bioaccessibility of potentially toxic elements in soils: Towards more robust risk assessment
  10. Microplastics in the environment: Challenges in analytical chemistry - A review
  11. Analytical methodologies for arsenic speciation in macroalgae: A critical review
  12. Degradation of polyethylene microplastics in seawater: Insights into the environmental degradation of polymers
  13. Clinical Trials for Deriving Bioactive Compounds from Marine Invertebrates
  14. Removal and recovery of Critical Rare Elements from contaminated waters by living Gracilaria gracilis
  15. Addressing the impact of mercury estuarine contamination in the European eel ( Anguilla anguilla L., 1758) – An early diagnosis in glass eel stage based on erythrocytic nuclear morphology
  16. SOIL POLLUTION From Monitoring to Remediation
  17. The causes of soil pollution, distribution, transport, and the fate of pollutants in soil.
  18. Availability of polycyclic aromatic hydrocarbons to earthworms in urban soils and its implications for risk assessment
  19. Long-term application of the organic and inorganic pesticides in vineyards: Environmental record of past use
  20. Recent Progress in Biosensors for Environmental Monitoring: A Review
  21. Persistence of urban organic aerosols composition: Decoding their structural complexity and seasonal variability
  22. Salinity induced effects on the growth rates and mycelia composition of basidiomycete and zygomycete fungi
  23. Graphene oxide induces cytotoxicity and oxidative stress in bluegill sunfish cells
  24. Effect of probiotic co-cultures on physico-chemical and biochemical properties of small ruminants’ fermented milk
  25. Structural signatures of water-soluble organic aerosols in contrasting environments in South America and Western Europe
  26. How low can you go? A current perspective on low-abundance proteomics
  27. Review of the ecotoxicological effects of emerging contaminants to soil biota
  28. Graphene based sensors and biosensors
  29. Carbon nanotube field effect transistor biosensor for the detection of toxins in seawater
  30. Ashes from fluidized bed combustion of residual forest biomass: recycling to soil as a viable management option
  31. Biodegradation of polyethylene microplastics by the marine fungus Zalerion maritimum
  32. A macroalgae-based biotechnology for water remediation: Simultaneous removal of Cd, Pb and Hg by living Ulva lactuca
  33. Bioaccumulation of Hg, Cd and Pb by Fucus vesiculosus in single and multi-metal contamination scenarios and its effect on growth rate
  34. Chemical and structural characterization of Pholiota nameko extracts with biological properties
  35. Histopathological and molecular effects of microplastics in Eisenia andrei Bouché
  36. Microplastics Sampling and Sample Handling
  37. Lead and PAHs contamination of an old shooting range: A case study with a holistic approach
  38. Microplastics – Occurrence, Fate and Behaviour in the Environment
  39. NMR Studies of Organic Aerosols
  40. Critical overview on the application of sensors and biosensors for clinical analysis
  41. Source and pathway analysis of lead and polycyclic aromatic hydrocarbons in Lisbon urban soils
  42. Cytotoxicity and oxidative stress responses of silica-coated iron oxide nanoparticles in CHSE-214 cells
  43. In vitro fermentation and prebiotic potential of selected extracts from seaweeds and mushrooms
  44. Transport phenomena of nanoparticles in plants and animals/humans
  45. Tracing of aerosol sources in an urban environment using chemical, Sr isotope, and mineralogical characterization
  46. (Nano)plastics in the environment – Sources, fates and effects
  47. Effects of dietary exposure to herbicide and of the nutritive quality of contaminated food on the reproductive output of Daphnia magna
  48. Development of an electrochemical biosensor for alkylphenol detection
  49. Simple and effective chitosan based films for the removal of Hg from waters: Equilibrium, kinetic and ionic competition
  50. Biological synthesis of nanosized sulfide semiconductors: current status and future prospects
  51. A synopsis on aging—Theories, mechanisms and future prospects
  52. Vanillic and syringic acids from biomass burning: Behaviour during Fenton-like oxidation in atmospheric aqueous phase and in the absence of light
  53. Disposable biosensor for detection of iron (III) in wines
  54. Fenton-like oxidation of small aromatic acids from biomass burning in atmospheric water and in the absence of light: Identification of intermediates and reaction pathways
  55. Remediation of mercury contaminated saltwater with functionalized silica coated magnetite nanoparticles
  56. Bioactive Polysaccharides Extracts fromSargassum muticumby High Hydrostatic Pressure
  57. Effects of pre- and post-harvest factors on the selected elements contents in fruit juices
  58. Analytical tools to assess aging in humans: The rise of geri-omics
  59. Contaminants in aquaculture: Overview of analytical techniques for their determination
  60. Risk assessment of urban soils contamination: The particular case of polycyclic aromatic hydrocarbons
  61. Advantages and limitations of chemical extraction tests to predict mercury soil-plant transfer in soil risk evaluations
  62. Phagocytic cell responses to silica-coated dithiocarbamate-functionalized iron oxide nanoparticles and mercury co-exposures in Anguilla anguilla L.
  63. Comparative study on metal biosorption by two macroalgae in saline waters: single and ternary systems
  64. Sustainable approach for recycling seafood wastes for the removal of priority hazardous substances (Hg and Cd) from water
  65. Photocatalytic Treatment of Olive Oil Mill Wastewater Using TiO2 and Fe2O3 Nanomaterials
  66. Two chemically distinct light-absorbing pools of urban organic aerosols: A comprehensive multidimensional analysis of trends
  67. Fish and mercury: Influence of fish fillet culinary practices on human risk
  68. Sewage contamination of sediments from two Portuguese Atlantic coastal systems, revealed by fecal sterols
  69. Supercritical fluid extraction of bioactive compounds
  70. Label-free disposable immunosensor for detection of atrazine
  71. Echinoderms
  72. Challenges in the identification and characterization of free amino acids and proteinaceous compounds in atmospheric aerosols: A critical review
  73. A framework to measure the availability of engineered nanoparticles in soils: Trends in soil tests and analytical tools
  74. Immunosensors in Clinical Laboratory Diagnostics
  75. Extraction of available and labile fractions of mercury from contaminated soils: The role of operational parameters
  76. Metal partitioning and availability in estuarine surface sediments: Changes promoted by feeding activity of Scrobicularia plana and Liza ramada
  77. Study on bioaccumulation and biosorption of mercury by living marine macroalgae: Prospecting for a new remediation biotechnology applied to saline waters
  78. 1 H NMR studies of water- and alkaline-soluble organic matter from fine urban atmospheric aerosols
  79. Soil–pore water distribution of silver and gold engineered nanoparticles in undisturbed soils under unsaturated conditions
  80. Rescheduling the process of nanoparticle removal used for water mercury remediation can increase the risk to aquatic organism: evidence of innate immune functions modulation in European eel (Anguilla anguilla L.)
  81. Chemical composition of red, brown and green macroalgae from Buarcos bay in Central West Coast of Portugal
  82. Investigating the water-soluble organic functionality of urban aerosols using two-dimensional correlation of solid-state 13C NMR and FTIR spectral data
  83. Testing single extraction methods and in vitro tests to assess the geochemical reactivity and human bioaccessibility of silver in urban soils amended with silver nanoparticles
  84. Impairment of mitochondrial energy metabolism of two marine fish by in vitro mercuric chloride exposure
  85. Evaluation of cytotoxicity, morphological alterations and oxidative stress in Chinook salmon cells exposed to copper oxide nanoparticles
  86. Size-Dependent Arsenic Accumulation in Scrobicularia plana in a Temperate Coastal Lagoon (Ria de Aveiro, Portugal)
  87. Assessment of cytotoxicity and oxidative stress induced by titanium oxide nanoparticles on Chinook salmon cells
  88. Assessing the ecotoxicity of metal nano-oxides with potential for wastewater treatment
  89. Biological treatment with fungi of olive mill wastewater pre-treated by photocatalytic oxidation with nanomaterials
  90. Recent developments in recognition elements for chemical sensors and biosensors
  91. Sensors and biosensors for monitoring marine contaminants
  92. Aluminium oxide nanoparticles induced morphological changes, cytotoxicity and oxidative stress in Chinook salmon (CHSE-214) cells
  93. Advanced NMR studies of organic aerosols
  94. Chemical composition and nutritive value of Pleurotus citrinopileatus var cornucopiae, P. eryngii, P. salmoneo stramineus, Pholiota nameko and Hericium erinaceus
  95. 2D-LC of aerosol water-soluble organic matter
  96. Jacks of metal/metalloid chelation trade in plants—an overview
  97. Nanoscale copper in the soil–plant system – toxicity and underlying potential mechanisms
  98. Impact of Enzyme- and Ultrasound-Assisted Extraction Methods on Biological Properties of Red, Brown, and Green Seaweeds from the Central West Coast of Portugal
  99. Soil management guidelines in Spain and Portugal related to EU Soil Protection Strategy based on analysis of soil databases
  100. Analytical approaches to the study of microplastics in the environment
  101. Natural organic matter in urban aerosols: Comparison between water and alkaline soluble components using excitation–emission matrix fluorescence spectroscopy and multiway data analysis
  102. Analytical applications of affibodies
  103. Lipid peroxidation and its control in Anguilla anguilla hepatocytes under silica-coated iron oxide nanoparticles (with or without mercury) exposure
  104. Characterization of freezing effect upon stability of, probiotic loaded, calcium-alginate microparticles
  105. An international proficiency test as a tool to evaluate mercury determination in environmental matrices
  106. Disposable sensors for environmental monitoring of lead, cadmium and mercury
  107. Fenton-like oxidation of small aromatic acids from biomass burning in water and in the absence of light: Implications for atmospheric chemistry
  108. Marine Functional Foods
  109. Thermo-desorption: A valid tool for mercury speciation in soils and sediments?
  110. Lipids and proteins—major targets of oxidative modifications in abiotic stressed plants
  111. Dissolved organic and inorganic matter in bulk deposition of a coastal urban area: An integrated approach
  112. Catalog of total excitation–emission and total synchronous fluorescence maps with synchronous fluorescence spectra of homologated fluorescent pesticides in large use in Morocco: development of a spectrometric low cost and direct analysis as an alert me...
  113. Glutathione and proline can coordinately make plants withstand the joint attack of metal(loid) and salinity stresses
  114. Too much is bad—an appraisal of phytotoxicity of elevated plant-beneficial heavy metal ions
  115. Green analytical methodologies for the discovery of bioactive compounds from marine sources
  116. Scrobicularia plana (Mollusca, Bivalvia) as a biomonitor for mercury contamination in Portuguese estuaries
  117. Soil microarthropod community testing: A new approach to increase the ecological relevance of effect data for pesticide risk assessment
  118. The role of operational parameters on the uptake of mercury by dithiocarbamate functionalized particles
  119. Oral bioaccessibility and human exposure to anthropogenic and geogenic mercury in urban, industrial and mining areas
  120. Temporal characterization of mercury accumulation at different trophic levels and implications for metal biomagnification along a coastal food web
  121. Interference of the co-exposure of mercury with silica-coated iron oxide nanoparticles can modulate genotoxicity induced by their individual exposures—a paradox depicted in fish under in vitro conditions
  122. Plant-beneficial elements status assessment in soil-plant system in the vicinity of a chemical industry complex: shedding light on forage grass safety issues
  123. Juncus maritimus root biochemical assessment for its mercury stabilization potential in Ria de Aveiro coastal lagoon (Portugal)
  124. Salt Marsh Halophyte Services to Metal–Metalloid Remediation: Assessment of the Processes and Underlying Mechanisms
  125. Assessment of cardiovascular disease risk using immunosensors for determination of C-reactive protein levels in serum and saliva: a pilot study
  126. Mercury accumulation and tissue-specific antioxidant efficiency in the wild European sea bass (Dicentrarchus labrax) with emphasis on seasonality
  127. Mercury Bioaccumulation in the Egyptian Mongoose (Herpestes ichneumon): Geographical, Tissue, Gender and Age Differences
  128. The Impact of Uranium Mine Contamination of Soils on Plant Litter Decomposition
  129. Geochemistry, mineralogy, solid-phase fractionation and oral bioaccessibility of lead in urban soils of Lisbon
  130. Halimione portulacoides (L.) physiological/biochemical characterization for its adaptive responses to environmental mercury exposure
  131. Modulation of glutathione and its dependent enzymes in gill cells of Anguilla anguilla exposed to silica coated iron oxide nanoparticles with or without mercury co-exposure under in vitro condition
  132. Urban agriculture in Portugal: Availability of potentially toxic elements for plant uptake
  133. A Multidisciplinary Approach to Evaluate the Efficiency of a Clean-Up Technology to Remove Mercury from Water
  134. Metal/metalloid stress tolerance in plants: role of ascorbate, its redox couple, and associated enzymes
  135. Efficiency of a cleanup technology to remove mercury from natural waters by means of rice husk biowaste: ecotoxicological and chemical approach
  136. Brain glutathione redox system significance for the control of silica-coated magnetite nanoparticles with or without mercury co-exposures mediated oxidative stress in European eel (Anguilla anguilla L.)
  137. Uptake and depuration of PCB-153 in edible shrimp Palaemonetes varians and human health risk assessment
  138. Oxidative stress status, antioxidant metabolism and polypeptide patterns in Juncus maritimus shoots exhibiting differential mercury burdens in Ria de Aveiro coastal lagoon (Portugal)
  139. The prediction of PAHs bioavailability in soils using chemical methods: State of the art and future challenges
  140. Single-bilayer graphene oxide sheet impacts and underlying potential mechanism assessment in germinating faba bean (Vicia faba L.)
  141. Bioactive compounds derived from echinoderms
  142. Chromatography Coupled to Various Detectors as a Tool for Separation and Determination of Bioactive Compounds
  143. Green Analytical Methodologies for Preparation of Extracts and Analysis of Bioactive Compounds
  144. Classical Methodologies for Preparation of Extracts and Fractions
  145. Direct-reading methods for analysis of volatile organic compounds and nanoparticles in workplace air
  146. Extraction of mercury water-soluble fraction from soils: An optimization study
  147. Introduction to the Analysis of Bioactive Compounds in Marine Samples
  148. Online Combination of Bioassays with Chemical and Structural Characterization for Detection of Bioactive Compounds
  149. Preface
  150. A simple approach to reduce dimensionality from comprehensive two-dimensional liquid chromatography coupled with a multichannel detector
  151. Risk assessment for Cd, Cu, Pb and Zn in urban soils: Chemical availability as the central concept
  152. Antioxidative Peptides: Trends and Perspectives for Future Research
  153. Organochlorine contaminants in different tissues from Platichthys flesus (Pisces, Pleuronectidea)
  154. Changes in zooplankton communities along a mercury contamination gradient in a coastal lagoon (Ria de Aveiro, Portugal)
  155. Competitive effects on mercury removal by an agricultural waste: application to synthetic and natural spiked waters
  156. Major and minor element geochemistry of deep-sea sediments in the Azores Platform and southern seamount region
  157. Cork stoppers as an effective sorbent for water treatment: the removal of mercury at environmentally relevant concentrations and conditions
  158. Strategies based on silica monoliths for removing pollutants from wastewater effluents: A review
  159. Organochlorine accumulation on a highly consumed bivalve (Scrobicularia plana) and its main implications for human health
  160. Impact of mercury contamination on the population dynamics of Peringia ulvae (Gastropoda): Implications on metal transfer through the trophic web
  161. Risks associated with the transfer of toxic organo-metallic mercury from soils into the terrestrial feed chain
  162. Mercury bioaccumulation and the population dynamics of Mesopodopsis slabberi (Crustacea: Mysidacea) along a mercury contamination gradient
  163. Silver nanoparticles in soil–plant systems
  164. Toxicity of organic and inorganic nanoparticles to four species of white-rot fungi
  165. PCB bioaccumulation in three mullet species—A comparison study
  166. Mercury’s mitochondrial targeting with increasing age in Scrobicularia plana inhabiting a contaminated lagoon: Damage-protection dichotomy and organ specificities
  167. Determination of anionic surface active agents using silica coated magnetite nanoparticles modified with cationic surfactant aggregates
  168. The inner filter effects and their correction in fluorescence spectra of salt marsh humic matter
  169. The performance of Fraxinus angustifolia as a helper for metal phytoremediation programs and its relation to the endophytic bacterial communities
  170. Valuation of Unmodified Rice Husk Waste as an Eco-Friendly Sorbent to Remove Mercury: a Study Using Environmental Realistic Concentrations
  171. Single-bilayer graphene oxide sheet tolerance and glutathione redox system significance assessment in faba bean (Vicia faba L.)
  172. Strategies for enhancing the analytical performance of nanomaterial-based sensors
  173. Humic acids as proxies for assessing different Mediterranean forest soils signatures using solid-state CPMAS 13C NMR spectroscopy
  174. Removal of phenolic compounds in olive mill wastewater by silica–alginate–fungi biocomposites
  175. Influence of sex and age on PCBs accumulation in the commercial fish Chelon labrosus
  176. Competitive Removal of Cd2+ and Hg2+ Ions from Water Using Titanosilicate ETS-4: Kinetic Behaviour and Selectivity
  177. Disposable immunosensors for C-reactive protein based on carbon nanotubes field effect transistors
  178. Advances in point-of-care technologies with biosensors based on carbon nanotubes
  179. Chromatographic response functions in 1D and 2D chromatography as tools for assessing chemical complexity
  180. Mercury biomagnification in a contaminated estuary food web: Effects of age and trophic position using stable isotope analyses
  181. Core–shell magnetite-silica dithiocarbamate-derivatised particles achieve the Water Framework Directive quality criteria for mercury in surface waters
  182. Effects of geometry parameters of NTFET devices on the I–V measurements
  183. Morphological, compositional and ultrastructural changes in the Scrobicularia plana shell in response to environmental mercury – An indelible fingerprint of metal exposure?
  184. Numerical simulation of a reversed flow small-scale combustor
  185. Mercury bioaccumulation and decontamination kinetics in the edible cockle Cerastoderma edule
  186. PCBs in the fish assemblage of a southern European estuary
  187. Glutathione and its dependent enzymes’ modulatory responses to toxic metals and metalloids in fish—a review
  188. Nanoscale materials and their use in water contaminants removal—a review
  189. A cost–effective and eco-friendly treatment technology to remove realistic levels of mercury by means of the unmodified rice husk
  190. Removal of the organic content from a bleached kraft pulp mill effluent by a treatment with silica-alginate-fungi biocomposites
  191. Analytical strategies for characterization and validation of functional dairy foods
  192. Trace elements in two marine fish species during estuarine residency: Non-essential versus essential
  193. Trends in data processing of comprehensive two-dimensional chromatography: State of the art
  194. Phenological development stages variation versus mercury tolerance, accumulation, and allocation in salt marsh macrophytes Triglochin maritima and Scirpus maritimus prevalent in Ria de Aveiro coastal lagoon (Portugal)
  195. Long-term monitoring of a mercury contaminated estuary (Ria de Aveiro, Portugal): the effect of weather events and management in mercury transport
  196. Marine biotechnology advances towards applications in new functional foods
  197. Immobilization strategies and analytical applications for metallic and metal-oxide nanomaterials on surfaces
  198. A generalization of a chromatographic response function for application in non-target one- and two-dimensional chromatography of complex samples
  200. Mercury-Induced Chromosomal Damage in Wild Fish (Dicentrarchus labrax L.) Reflecting Aquatic Contamination in Contrasting Seasons
  201. Brain as a critical target of mercury in environmentally exposed fish: The importance of seasonal and species specific factors
  202. Development and validation of a simple thermo-desorption technique for mercury speciation in soils and sediments
  203. Water column characterisation on the Azores platform and at the sea mounts south of the archipelago
  204. An insight into the adsorption and electrochemical processes occurring during the analysis of copper and lead in wines, using an electrochemical quartz crystal nanobalance.
  205. Mercury contaminated systems under recovery can represent an increased risk to seafood human consumers – A paradox depicted in bivalves’ body burdens
  206. Resolving the chemical heterogeneity of natural organic matter: New insights from comprehensive two-dimensional liquid chromatography
  207. Eriophorum angustifolium and Lolium perenne metabolic adaptations to metals- and metalloids-induced anomalies in the vicinity of a chemical industrial complex
  208. Levels, sources and potential human health risks of organic pollutants in urban soils
  209. Pesticide application to agricultural fields: effects on the reproduction and avoidance behaviour of Folsomia candida and Eisenia andrei
  210. First spectroscopic study on the structural features of dissolved organic matter isolated from rainwater in different seasons
  211. Seasonal and air mass trajectory effects on dissolved organic matter of bulk deposition at a coastal town in south-western Europe
  212. Treatment of Olive Oil Mill Wastewater by Silica–Alginate–Fungi Biocomposites
  213. Derivation of soil to plant transfer functions for metals and metalloids: impact of contaminant’s availability
  214. Excreted Thiocyanate Detects Live Reef Fishes Illegally Collected Using Cyanide—A Non-Invasive and Non-Destructive Testing Approach
  215. Analytical techniques for discovery of bioactive compounds from marine fungi
  216. Role of non-enzymatic antioxidants on the bivalves' adaptation to environmental mercury: Organ-specificities and age effect in Scrobicularia plana inhabiting a contaminated lagoon
  217. Understanding Stress-Responsive Mechanisms in Plants: An Overview of Transcriptomics and Proteomics Approaches
  218. The effects of changes to estuarine hydrology on system phosphorous retention capacity: The Mondego estuary, Portugal
  219. Major inputs and mobility of potentially toxic elements contamination in urban areas
  220. Salt marsh macrophyte Phragmites australis strategies assessment for its dominance in mercury-contaminated coastal lagoon (Ria de Aveiro, Portugal)
  221. A new chromatographic response function for assessing the separation quality in comprehensive two-dimensional liquid chromatography
  222. Soil–plant–animal transfer models to improve soil protection guidelines: A case study from Portugal
  223. A fluorescence-based optical fiber analyzer for catecholamine determination
  224. Characterization and validation of a Portuguese natural reference soil to be used as substrate for ecotoxicological purposes
  225. Mercury uptake and allocation in Juncus maritimus: implications for phytoremediation and restoration of a mercury contaminated salt marsh
  226. Considerations on the application of miniaturized sample preparation approaches for the analysis of organic compounds in environmental matrices
  227. Metal Recovery, Separation and/or Pre-concentration
  228. Improving Growth and Productivity of Oleiferous Brassicas under Changing Environment: Significance of Nitrogen and Sulphur Nutrition, and Underlying Mechanisms
  229. Optical Fiber Bioanalyzer Based on Enzymatic Coating Matrix for Catecholamines and Their Metabolites Assessment in Patients With Down Syndrome
  230. Screening of single-walled carbon nanotubes by optical fiber sensing
  231. Evaluation of Species-Specific Dissimilarities in Two Marine Fish Species: Mercury Accumulation as a Function of Metal Levels in Consumed Prey
  232. Removal of Arsenic from Aqueous Solutions by Sorption onto Sewage Sludge-Based Sorbent
  233. Fish consumption and risk of contamination by mercury – Considerations on the definition of edible parts based on the case study of European sea bass
  234. Advanced analytical techniques for water-soluble organic matter from atmospheric aerosols
  235. Olive oil mill wastewaters before and after treatment: a critical review from the ecotoxicological point of view
  236. Fixed-bed removal of Hg2+ from contaminated water by microporous titanosilicate ETS-4: Experimental and theoretical breakthrough curves
  237. Mercury accumulation patterns and biochemical endpoints in wild fish (Liza aurata): A multi-organ approach
  238. Removal of mercury (II) by dithiocarbamate surface functionalized magnetite particles: Application to synthetic and natural spiked waters
  239. Carbofuran effects in soil nematode communities: Using trait and taxonomic based approaches
  240. Lifespan mercury accumulation pattern in Liza aurata: Evidence from two southern European estuaries
  241. Hg transfer from contaminated soils to plants and animals
  242. Metallothioneins failed to reflect mercury external levels of exposure and bioaccumulation in marine fish – Considerations on tissue and species specific responses
  243. The water-soluble fraction of potentially toxic elements in contaminated soils: Relationships between ecotoxicity, solubility and geochemical reactivity
  244. Accumulation of metals in Anguilla anguilla from the Tagus estuary and relationship to environmental contamination
  245. In situ aquatic bioassessment of pesticides applied on rice fields using a microalga and daphnids
  246. Chemical composition of rainwater at a coastal town on the southwest of Europe: What changes in 20years?
  247. Performance of Ex Situ Bismuth Film Rotating Disk Electrode in Trace Metal Analysis by Stripping Chronopotentiometry: Definition of the Depletion Regime and Optimization of Experimental Parameters
  248. Optical fibre-based methodology for screening the effect of probiotic bacteria on conjugated linoleic acid (CLA) in curdled milk
  249. Modulation of glutathione and its related enzymes in plants’ responses to toxic metals and metalloids—A review
  250. Gas chromatography – Optical fiber detector for assessment of fatty acids in urban soils
  251. Mercury cycling and sequestration in salt marshes sediments: An ecosystem service provided by Juncus maritimus and Scirpus maritimus
  252. Vilsmeier-Haack formylation of Cu(II) and Ni(II) porphyrin complexes under microwaves irradiation
  253. Kinetics of Mercury Bioaccumulation in the Polychaete Hediste diversicolor and in the Bivalve Scrobicularia plana, Through a Dietary Exposure Pathway
  254. Brain as a critical target of mercury in environmentally exposed fish (Dicentrarchus labrax)—Bioaccumulation and oxidative stress profiles
  255. Elemental analysis for categorization of wines and authentication of their certified brand of origin
  256. Lipid peroxidation vs. antioxidant modulation in the bivalve Scrobicularia plana in response to environmental mercury—Organ specificities and age effect
  257. Sterols and fatty acid biomarkers as indicators of changes in soil microbial communities in a uranium mine area
  258. Differential Sex, Morphotype and Tissue Accumulation of Mercury in the Crab Carcinus maenas
  259. Impact of Seasonal Fluctuations on the Sediment-Mercury, its Accumulation and Partitioning in Halimione portulacoides and Juncus maritimus Collected from Ria de Aveiro Coastal Lagoon (Portugal)
  260. Sources of potentially toxic elements and organic pollutants in an urban area subjected to an industrial impact
  261. Immunosuppression in the infaunal bivalve Scrobicularia plana environmentally exposed to mercury and association with its accumulation
  262. Sampling and characterization of nanoaerosols in different environments
  263. Breath analysis by optical fiber sensor for the determination of exhaled organic compounds with a view to diagnostics
  264. Optimizing size-exclusion chromatographic conditions using a composite objective function and chemometric tools: Application to natural organic matter profiling
  265. Monomethylmercury behaviour in sediments collected from a mercury-contaminated lagoon
  266. Optical fiber based methodology for assessment of thiocyanate in seawater
  267. Restoration of Seagrass Community to Reverse Eutrophication in Estuaries
  268. Comparison between DAX-8 and C-18 solid phase extraction of rainwater dissolved organic matter
  269. Evaluation of an approach for the characterization of reactive and available pools of 20 potentially toxic elements in soils: Part II – Solid-solution partition relationships and ion activity in soil solutions
  270. Evaluation of an approach for the characterization of reactive and available pools of twenty potentially toxic elements in soils: Part I – The role of key soil properties in the variation of contaminants’ reactivity
  271. Extractability and mobility of mercury from agricultural soils surrounding industrial and mining contaminated areas
  272. Optical fibre-based micro-analyser for indirect measurements of volatile amines levels in fish
  273. Structural effects of the bioavailable fraction of pesticides in soil: Suitability of elutriate testing
  274. Impact of a secondary treated bleached Kraft pulp mill effluent in both sexes of goldfish (Carassius auratusL.)
  275. A new chromatographic response function for use in size-exclusion chromatography optimization strategies: Application to complex organic mixtures
  276. Assessment of fatty acid as a differentiator of usages of urban soils
  277. Review of analytical figures of merit of sensors and biosensors in clinical applications
  278. Mercury partition in the interface between a contaminated lagoon and the ocean: The role of particulate load and composition
  279. Modeling the analytical response of optical fiber sensors for aromatic compounds determination
  280. Molecular fluorescence analysis of rainwater: Effects of sample preservation
  281. Optical fiber biosensor based on enzymatic coating matrix for catecholamines assessment in human urine
  282. Optical fiber micro-analyzer for real-time monitoring of trimethylamine
  283. Kinetics of Mercury Accumulation and Its Effects on Ulva lactuca Growth Rate at Two Salinities and Exposure Conditions
  284. Mercury Organotropism in Feral European Sea Bass (Dicentrarchus labrax)
  285. Evaluation of tertiary treatment by fungi, enzymatic and photo-Fenton oxidation on the removal of phenols from a kraft pulp mill effluent: a comparative study
  286. Evaluation of the Sub-lethal Toxicity of Bleached Kraft Pulp Mill Effluent to Carassius auratus and Dicentrarchus labrax
  287. Characterisation of interface formed at 650°C between AISI H13 steel and Al–12Si–1Cu aluminium melt
  288. Fluorescence characterization of daily and intertidal changes in estuarine water DOM related to the presence of Sarcocornia perennis (L.) A.J. Scott
  289. Mercury bioaccumulation in the spotted dogfish (Scyliorhinus canicula) from the Atlantic Ocean
  290. Effect of long term organic amendments on adsorption–desorption of thiram onto a luvisol soil derived from loess
  291. Daily and inter-tidal variations of Fe, Mn and Hg in the water column of a contaminated salt marsh: Halophytes effect
  292. Assessment of Mercury in Water, Sediments and Biota of a Southern European Estuary (Sado Estuary, Portugal)
  293. Are Great Tits (Parus major) Inhabiting the Vicinity of a Pulp Mill Healthy? Impacts on Physiology and Breeding Performance
  294. Evaluation of the ecological effects of heavy metals on the assemblages of benthic foraminifera of the canals of Aveiro (Portugal)
  295. Antioxidant system breakdown in brain of feral golden grey mullet (Liza aurata) as an effect of mercury exposure
  296. Effect of pH and temperature on Hg2+ water decontamination using ETS-4 titanosilicate
  297. Water-soluble fraction of mercury, arsenic and other potentially toxic elements in highly contaminated sediments and soils
  298. Sorption−Desorption Behavior of Atrazine on Soils Subjected to Different Organic Long-Term Amendments
  299. Effects of tertiary treatment by fungi on organic compounds in a kraft pulp mill effluent
  300. Influence of different organic amendments on the potential availability of metals from soil: A study on metal fractionation and extraction kinetics by EDTA
  301. Development and Application of an Off-Line SPE–LC–UV Methodology for the Determination of Penoxsulam in Aquatic Systems Adjacent to Rice Fields
  302. Optical fiber biosensor coupled to chromatographic separation for screening of dopamine, norepinephrine and epinephrine in human urine and plasma
  303. Cadmium(II) removal from aqueous solution using microporous titanosilicate ETS-10
  304. Effect of pH on cadmium (II) removal from aqueous solution using titanosilicate ETS-4
  305. Priority pollutants (Hg2+ and Cd2+) removal from water by ETS-4 titanosilicate
  306. Degradation of phenols in olive oil mill wastewater by biological, enzymatic, and photo-Fenton oxidation
  307. High performance liquid chromatography coupled to an optical fiber detector coated with laccase for screening catecholamines in plasma and urine
  308. Mercury in sediments of the Azores deep sea platform and on sea mounts south of the archipelago – Assessment of background concentrations
  309. Comparative characterization of humic substances from the open ocean, estuarine water and fresh water
  310. Accumulation, distribution and cellular partitioning of mercury in several halophytes of a contaminated salt marsh
  311. Carbon nanotube field-effect transistor detector associated to gas chromatography for speciation of benzene, toluene, ethylbenzene, (o-, m- and p-)xylene
  312. Contribution of primary producers to mercury trophic transfer in estuarine ecosystems: Possible effects of eutrophication
  313. Removal of Hg2+ ions from aqueous solution by ETS-4 microporous titanosilicate—Kinetic and equilibrium studies
  314. Effects of ECF-Kraft pulp mill effluent treated with fungi (Rhizopus oryzae) on reproductive steroids and liver CYP1A of exposed goldfish (Carassius auratus)
  315. Different mercury bioaccumulation kinetics by two macrobenthic species: The bivalve Scrobicularia plana and the polychaete Hediste diversicolor
  316. Adsorption−Desorption Behavior of Thiram onto Humic Acid
  317. Relationships Between Carbon Sources, Trophic Level and Mercury Exposure in Generalist Shorebirds Revealed by Stable Isotope Ratios in Chicks
  318. Structure and morphology of TiB2 duplex coatings deposited over X40 CrMoV 5-1-1 steel by DC magnetron sputtering
  319. Biological treatment of the effluent from a bleached kraft pulp mill using basidiomycete and zygomycete fungi
  320. The effectiveness of a biological treatment with Rhizopus oryzae and of a photo-Fenton oxidation in the mitigation of toxicity of a bleached kraft pulp mill effluent
  321. Remote optical fibre microsensor for monitoring BTEX in confined industrial atmospheres
  322. Cadmium(II) removal from aqueous solution using microporous titanosilicate ETS-4
  323. Effects of organic and inorganic amendments on soil organic matter properties
  324. Mercury contamination in the vicinity of a chlor-alkali plant and potential risks to local population
  325. Polymeric nanofilm-coated optical fibre sensor for speciation of aromatic compounds
  326. Pollution Problems in the Northeast Atlantic: Lessons Learned for Emerging Pollutants such as the Platinum Group Elements
  327. Spectroscopic characterization of dissolved organic matter isolated from rainwater
  328. The variability of polychlorinated biphenyls levels in urban soils from five European cities
  329. Microscale optical fibre sensor for BTEX monitoring in landfill leachate
  330. Mercury distribution in key tissues of fish (Liza aurata) inhabiting a contaminated estuary—implications for human and ecosystem health risk assessment
  331. Optical fiber analyzer for in situ determination of nitrous oxide in workplace environments
  332. A review of regulatory decisions for environmental protection: Part I — Challenges in the implementation of national soil policies
  333. A review of regulatory decisions for environmental protection: Part II—The case-study of contaminated land management in Portugal
  334. Absorption and fluorescence properties of rainwater during the cold season at a town in Western Portugal
  335. Mercury intracellular partitioning and chelation in a salt marsh plant, Halimione portulacoides (L.) Aellen: Strategies underlying tolerance in environmental exposure
  336. Spectroscopic changes on fulvic acids from a kraft pulp mill effluent caused by sun irradiation
  337. Two-Dimensional NMR Studies of Water-Soluble Organic Matter in Atmospheric Aerosols
  338. The macrobenthic community along a mercury contamination in a temperate estuarine system (Ria de Aveiro, Portugal)
  339. Carbonaceous materials in size-segregated atmospheric aerosols from urban and coastal-rural areas at the Western European Coast
  340. Evaluation of an interlaboratory proficiency-testing exercise for total mercury in environmental samples of soils, sediments and fish tissue
  341. Granulometric selectivity in Liza ramado and potential contamination resulting from heavy metal load in feeding areas
  342. Mercury in salt marshes ecosystems: Halimione portulacoides as biomonitor
  343. Validation of avoidance assays for the screening assessment of soils under different anthropogenic disturbances
  344. Mercury removal with titanosilicate ETS-4: Batch experiments and modelling
  345. Inputs of organic carbon from Ria de Aveiro coastal lagoon to the Atlantic Ocean
  346. Thermogravimetric characteristics of water-soluble organic matter from atmospheric aerosols collected in a rural–coastal area
  347. Influence of Fulvic Acids and Copper Ions on Thiram Determination in Water
  348. Mercury mobility in a salt marsh colonised by Halimione portulacoides
  349. Comparison of a gas chromatography-optical fibre (GC-OF) detector with a gas chromatography-flame ionization detector (GC-FID) for determination of alcoholic compounds in industrial atmospheres
  350. Mercury pollution in Ria de Aveiro (Portugal): a review of the system assessment
  351. The role of two sediment-dwelling invertebrates on the mercury transfer from sediments to the estuarine trophic web
  352. Pattern and pathways for mercury lifespan bioaccumulation in Carcinus maenas
  353. Development of a fluorosiloxane polymer-coated optical fibre sensor for detection of organic volatile compounds
  354. The influence of anthropogenic and natural geochemical factors on urban soil quality variability: a comparison between Glasgow, UK and Aveiro, Portugal
  355. Effects of solar radiation on the fluorescence properties and molecular weight of fulvic acids from pulp mill effluents
  356. Controlling factors and environmental implications of mercury contamination in urban and agricultural soils under a long-term influence of a chlor-alkali plant in the North–West Portugal
  357. Inputs from a Mercury-Contaminated Lagoon: Impact on the Nearshore Waters of the Atlantic Ocean
  358. Long-term effects of mercury in a salt marsh: Hysteresis in the distribution of vegetation following recovery from contamination
  359. Mercury fluxes between an impacted coastal lagoon and the Atlantic Ocean
  360. Variation in the mobilization of mercury into Black-winged Stilt Himantopus himantopus chicks in coastal saltpans, as revealed by stable isotopes
  361. Influence of bioturbation by Hediste diversicolor on mercury fluxes from estuarine sediments: A mesocosms laboratory experiment
  362. Influence of tidal resuspension on seston lithogenic and biogenic partitioning in shallow estuarine systems: Implications for sampling
  363. The Influence of Diet on Mercury Intake by Little Tern Chicks
  364. Uptake of Hg2+ from aqueous solutions by microporous titano- and zircono-silicates
  365. Assessment of methylmercury production in a temperate salt marsh (Ria de Aveiro Lagoon, Portugal)
  366. Gas Chromatography-Optical Fiber Detector for the Speciation of Aromatic Hydrocarbons in Confined Areas
  367. Comparison of structural features of water-soluble organic matter from atmospheric aerosols with those of aquatic humic substances
  368. Solid-phase extraction and capillary electrophoresis determination of phenols from soil after alkaline CuO oxidation
  369. Total mercury in sediments from mud volcanoes in Gulf of Cadiz
  370. Une revue sur des études de contamination de mercure dans la lagune côtière « Ria de Aveiro », Portugal
  371. Deposition of TiB2 onto X40 CrMoV 5-1-1 steel substrates by DC magnetron sputtering
  372. Quality and comparability of measurement of potentially toxic elements in urban soils by a group of European laboratories
  373. Optimization of phenolic compounds analysis by capillary electrophoresis
  374. Stable carbon isotope ratios of tandem fractionated humic substances from different water bodies
  375. Removal of low concentration Hg2+ from natural waters by microporous and layered titanosilicates
  376. A solid-phase extraction procedure for the clean-up of thiram from aqueous solutions containing high concentrations of humic substances
  377. Development and application of a capillary electrophoresis based method for the assessment of monosaccharide in soil using acid hydrolysis
  378. Mercury contamination in invertebrate biota in a temperate coastal lagoon (Ria de Aveiro, Portugal)
  379. Development and application of a capillary electrophoresis based method for the simultaneous screening of six antibiotics in spiked milk samples
  380. Fluorescence and DOC contents of estuarine pore waters from colonized and non-colonized sediments: Effects of sampling preservation
  381. Nutrient dynamics and seasonal succession of phytoplankton assemblages in a Southern European Estuary: Ria de Aveiro, Portugal
  382. Removal of Mercury From Aqueous Solutions by ETS-4 Microporous Titanosilicate: Effect of Contact Time, Titanosilicate Mass and Initial Metal Concentration
  383. Metal-contaminated sediments in a semi-closed basin: Implications for recovery
  384. Seasonal fluctuations of tissue mercury contents in the European shore crab Carcinus maenas from low and high contamination areas (Ria de Aveiro, Portugal)
  385. Spatial distribution of total Hg in urban soils from an Atlantic coastal city (Aveiro, Portugal)
  386. Mercury in urban soils: A comparison of local spatial variability in six European cities
  387. Pattern and annual rates of Scrobicularia plana mercury bioaccumulation in a human induced mercury gradient (Ria de Aveiro, Portugal)
  388. Mercury cycling between the water column and surface sediments in a contaminated area
  389. Determination of Organic Mercury in Biota, Plants and Contaminated Sediments Using a Thermal Atomic Absorption Spectrometry Technique
  390. Application of Chemometrics in Separation Science
  391. Can Nassarius reticulatus be used as a bioindicator for Hg contamination? Results from a longitudinal study of the Portuguese coastline
  392. The Assembling and Application of an Automated Segmented Flow Analyzer for the Determination of Dissolved Organic Carbon Based on UV‐Persulphate Oxidation
  393. Fractionation of potentially toxic elements in urban soils from five European cities by means of a harmonised sequential extraction procedure
  394. Accumulation versus remobilization of mercury in sediments of a contaminated lagoon
  395. Mixed polyelectrolyte coatings on glassy carbon electrodes: Ion-exchange, permselectivity properties and analytical application of poly-l-lysine–poly(sodium 4-styrenesulfonate)-coated mercury film electrodes for the detection of trace metals
  396. Variability in concentrations of potentially toxic elements in urban parks from six European cities
  397. Macroalgae response to a mercury contamination gradient in a temperate coastal lagoon (Ria de Aveiro, Portugal)
  398. Mercury distribution in Douro estuary (Portugal)
  399. Mercury in Plants from Fields Surrounding a Contaminated Channel of Ria de Aveiro, Portugal
  400. Distribution of mercury in the upper sediments from a polluted area (Ria de aveiro, Portugal)
  401. Kinetic approach to heavy metal mobilization assessment in sediments: choose of kinetic equations and models to achieve maximum information
  402. Application of Non-Ionic Solid Sorbents (XAD Resins) for the Isolation and Fractionation of Water-Soluble Organic Compounds from Atmospheric Aerosols
  403. Optimum cycle time for intermittent UASB reactors treating dairy wastewater
  404. Ion-exchange and permselectivity properties of poly(sodium 4-styrenesulfonate) coatings on glassy carbon: application in the modification of mercury film electrodes for the direct voltammetric analysis of trace metals in estuarine waters
  405. Spectroscopic study of the water-soluble organic matter isolated from atmospheric aerosols collected under different atmospheric conditions
  406. Variation of Mercury Contamination in Chicks of Little Tern Sterna albifrons in Southwest Europe: Brood, Age, and Colony Related Effects
  407. Simultaneous determination of copper and lead in seawater using optimised thin-mercury film electrodes in situ plated in thiocyanate media
  408. Monitoring acid-volatile sulphide by a fast scan voltammetric method: application to mercury contamination studies in salt marsh sediments
  409. Using capillary electrophoresis for the determination of organic acids in Port wine
  410. Spectroscopic properties of sedimentary humic acids from a salt marsh (Ria de Aveiro, Portugal): comparison of sediments colonized by Halimione portulacoides (L.) Aellen and non-vegetated sediments
  411. Synchronous Scan and Excitation-Emission Matrix Fluorescence Spectroscopy of Water-Soluble Organic Compounds in Atmospheric Aerosols
  412. Assessment of copper toxicity using an acoustic wave sensor
  413. Optimisation of mercury film deposition on glassy carbon electrodes: evaluation of the combined effects of pH, thiocyanate ion and deposition potential
  414. Spectroscopic characteristics of ultrafiltration fractions of fulvic and humic acids isolated from an eucalyptus bleached Kraft pulp mill effluent
  415. Distribution and accumulation of metals (Cu, Cd, Zn and Pb) in sediments of a lagoon on the northwestern coast of Portugal
  416. Evidence for concentration of anthropogenic mercury in salt marsh sediments
  417. Biosorption of Milk Substrates onto Anaerobic Flocculent and Granular Sludge
  418. Estimation of Cu, Cd and Hg transported by plankton from a contaminated area (Ria de Aveiro)
  419. Effect of Organic Matter on Determination of Reactive Mercury in Contaminated Waters
  420. Minimum requirements for reporting analytical data for environmental samples (IUPAC Technical Report)
  421. Airborne particulate-associated polyaromatic hydrocarbons, n-alkanes, elemental and organic carbon in three European cities
  422. Multivariate curve resolution of overlapping voltammetric peaks: quantitative analysis of binary and quaternary metal mixtures
  423. Application of multivariate curve resolution to the voltammetric study of the complexation of fulvic acids with cadmium(II) ion
  424. Heavy metal mobility assessment in sediments based on a kinetic approach of the EDTA extraction: search for optimal experimental conditions
  425. Simple methodology for methylmercury and inorganic mercury determinations by high-performance liquid chromatography–cold vapour atomic fluorescence spectrometry
  426. Composition of extractable organic matter of air particles from rural and urban Portuguese areas
  427. Comparison between diafiltration and concentration operation modes for the determination of permeation coefficients of humic substances through ultrafiltration membranes
  428. Resolution of Voltammetric Peaks Using Chemometric Multivariate Calibration Methods
  429. A gas chromatography quartz crystal microbalance for speciation of nitroaromatic compounds in landfill gas
  430. Microwave treatment of biological samples for methylmercury determination by high performance liquid chromatography–cold vapour atomic fluorescence spectrometry
  431. Microwave-assisted extraction for methylmercury determination in sediments by high performance liquid chromatography-cold vapour-atomic fluorescence spectrometry
  432. Identification, abundance and origin of atmospheric organic particulate matter in a Portuguese rural area
  433. Organic components of aerosols in a forested area of central Greece
  434. Structural Characterisation of the Coloured Organic Matter from an Eucalyptus Bleached Kraft Pulp Mill Effluent
  435. Particulate Size Distributed Organic Compounds in a Forest Atmosphere
  436. A quartz crystal microbalance sensor for the determination of nitroaromatics in landfill gas
  437. Accumulation of Mercury in Sea Bass from a Contaminated Lagoon (Ria de Aveiro, Portugal)
  438. A gas chromatography-quartz crystal microbalance for speciation of sulfur compounds in landfill gas
  439. Trends in alkanes and PAHs in airborne particulate matter from Oporto and Vienna: identification and comparison
  440. Humic substances' proton-binding equilibria: assessment of errors and limitations of potentiometric data
  441. Comparison of two methods for the optimization of the analytical conditions for the determination of total sulfur
  442. Determination of Total Sulphur in Landfill Gases Using a Quartz Crystal Microbalance
  443. Critical assessment of the parameters that affect the selection of coating compounds for piezoelectric quartz crystal microbalances
  444. Humic Substances
  445. Study of the effect of pH, salinity and DOC on fluorescence of synthetic mixtures of freshwater and marine salts
  446. Development of a methodology for the determination of carbon monoxide using a quartz crystal microbalance
  447. The organic composition of air particulate matter from rural and urban portuguese areas
  448. Methodology for Estimation of Kinetic Constants for Anaerobic Digestion of Organic Matter from Field and Laboratory Data
  449. Tidal export of particulate mercury from the most contaminated area of Aveiro's Lagoon, Portugal
  450. Atmospheric aerosol and soiling of external surfaces in an urban environment
  451. Determination of cyanide in waste waters using a quartz crystal microbalance
  452. The influence of pulp and paper mill effluents on the composition of the humic fraction of aquatic organic matter
  453. Quartz crystal microbalance with gold electrodes as a sensor for monitoring gas-phase adsorption/desorption of short chain alkylthiol and alkyl sulfides
  454. An estimation of industrial mercury stored in sediments of a confined area of the Lagoon of Aveiro (Portugal)
  455. The use of a mathematical model to evaluate mercury accumulation in sediments and recovery time in a coastal lagoon (Ria de Aveiro, Portugal)
  456. Foamability, Foam Stability, and Chemical Composition of Espresso Coffee As Affected by the Degree of Roast
  457. Optimisation of the Experimental Conditions of a New Method, Based on a Quartz Crystal Microbalance, for the Determination of Cyanide
  458. Application of Chemometrics to the Identification of Trends in Polynuclear Aromatic Hydrocarbons and Alkanes in Air Samples From Oporto†
  459. Performance of a tetramethylammonium fluoride tetrahydrate coated piezoelectric crystal for carbon dioxide detection
  460. Study on the methodology for the quantification of carbon dioxide in wine using a quartz crystal microbalance
  461. The utilisation of a piezoelectric quartz crystal for measuring carbon dioxide in wine
  462. Atmospheric Organic Matter
  463. Seasonal variability in mercury inputs into the Ria de Aveiro, Portugal
  464. XAD resins
  465. Comparison of two methods for coating piezoelectric crystals
  466. Detection of CO2 using a qaurtz crystal microbalance
  467. High-field 13C solid-state NMR studies of stream humic and fulvic acids with fast magic-angle spinning
  468. Wastewater and estuarine water quality control through the use of the ARC test
  469. Mercury desorption from contaminated sediments
  470. Sources and sinks of mercury in the coastal lagoon of Aveiro, Portugal
  471. Laboratory study of dairy effluent treatment by the rotating biological disc system
  472. Research and application of anaerobic processes
  473. Natural Organic Matter in Atmospheric Particles
  474. Adsorption studies with environmental significance using an acoustic wave sensor