All Stories

  1. Jasmonic acid, a molecular nexus between plant defense and pharmacological activity
  2. Oxalic acid–assisted, metal-free light-driven activation of sodium percarbonate on kaolinite for tetracycline degradation in water: Kinetic, mechanistic, and toxicological insights
  3. Anaerobic digestion supplemented with biochars to eliminate antibiotics and antibiotic-resistant genes: A sustainable environmental conservation
  4. Antioxidant and Antibacterial Potentials of Wood Vinegars Obtained from Various Agricultural Wastes
  5. Graphene oxide nanocomposite decorated zeolitic imidazolate framework-8 as an effective sorbent for acid orange 10 dye removal
  6. Integrated optimization and environmental application of chlorohydrolase-positive bacterial isolates for enhanced atrazine degradation and genotoxicity assessment
  7. Electrochemical, molecular docking and biological activities of Ni(II), Cu(II), Cd(II) complexes of isonicotinic acid (1-phenyl-ethylidene) -hydrazide: A computational study
  8. Management of caffeine in wastewater using nanolayered material: An integrated study of process kinetics, modeling, and toxicity assessment
  9. Biogenic synthesis of silver nanoparticles for colorimetric detection of Fe3+ in environmental samples: DFT calculations and molecular docking studies
  10. Carbamates-based pesticides: Detection, toxicity, biodegradation, and sustainable development challenges
  11. Nano-bioremediation for the removal of inorganic and organic pollutants from the soil
  12. Photocatalytic self-Fenton degradation of tetracycline over Z-scheme functionalized g-C3N4/CeO2/Bi2S3 hydrogel beads: Dynamics, mechanism, degradation pathways and toxicity analysis
  13. Emerging nanotechnologies in adsorption of dyes: a comprehensive review of carbon and metal oxide-based nanomaterials
  14. A Z-scheme defect-rich and dimensionally confined double functionalized g-C3N4 homojunction pectin hydrogels for the photocatalysis-self-Fenton-peroxymonosulfate system: Unraveling synergistic catalysis and reaction mechanism
  15. Unleashing photothermocatalysis potential for enhanced pathogenic bacteria inactivation
  16. A novel ternary Mn2O3 decorated GO-MoS2 heterostructure for enhanced tetracycline degradation and green H2 production under visible light
  17. Mechanistic insights into the photocatalytic and electrocatalytic activities of MgNiO2: role of reactive oxygen species and oxygen vacancies
  18. PFOA-contaminated soil remediation: a comprehensive review
  19. Tackling toxicity and stability using eco-friendly metal-halide ion substituted perovskite nanocrystals for advanced display color conversion
  20. Tuning the assembly of MgNiO2 nanoparticles-infused polysulfone membranes for efficient gas separation: The selectivity-permeability conundrum
  21. Eco-friendly extraction of antibacterial compounds from enriched olive pomace: a design-of-experiments approach to sustainability
  22. In Vitro Corrosion and Wear Investigation of Multifunctional TiAlMoN Sputtered Coatings on Cold-Sprayed SS316L
  23. Advances in polymer-based nanocomposite membranes for water remediation: Preparation methods, critical issues and mechanisms
  24. Solar photodegradation of malathion from aqueous media using Al-doped ZnO/Fe3O4 nanocomposite
  25. Emerging technologies and sustainable strategies for municipal solid waste valorization: Challenges of circular economy implementation
  26. Flower-like nanocomposite of carbon quantum dots, MoS2, and dendritic Ag-based Z-scheme type photocatalysts for effective tartrazine degradation
  27. Stable Ta2O5 nanotubes decorated by PbS by the SILAR method for photocatalytic dye degradation
  28. Visible light responsive AgBiS2 nanomaterials for photocatalytic applications in removal of antimicrobial compounds and bacterial pathogens: possible electrochemical pathways
  29. Innovative electrochemical synthesis of highly defective Ta2O5/Cu2O nanotubes inactivating bacteria under low-intensity solar irradiation
  30. Photocatalytic degradation of paracetamol mediating luminous textile: Intensification of the chemical oxidation
  31. Singlet oxygen driven enhanced photocatalytic degradation of 1,3,7-trimethylpurine-2,6-dione using surfactant mediated PVA-CuO nanocomposites: Combining physical adsorption and photocatalysis
  32. Impact of Annealing on ZrO2 Nanotubes for Photocatalytic Application
  33. Bacterial inactivation on sputtered TiOMoN and TiOMoN-Ag thin films under solar simulated light
  34. Distinctive Effects of Surface Roughness and Ions Release on the Bacterial Adhesion and Inactivation of Textured Copper Oxide Surfaces
  35. Dynamics of VOCs degradation and bacterial inactivation at the interface of AgxO/Ag/TiO2 prepared by HiPIMS under indoor light
  36. Electrosorption of phenolic compounds by carbon sheet electrode from zinc chloride functionalized activated carbon from pomegranate husk
  37. Adsorption of emerging pollutants on lignin-based activated carbon: Analysis of adsorption mechanism via characterization, kinetics and equilibrium studies
  38. Combined conversion of lignocellulosic biomass into high-value products with ultrasonic cavitation and photocatalytic produced reactive oxygen species – A review
  39. Microbial electrochemical bioremediation of petroleum hydrocarbons (PHCs) pollution: Recent advances and outlook
  40. Novel gC3N4/MgZnAl-MMO derived from LDH for solar-based photocatalytic ammonia production using atmospheric nitrogen
  41. Photocatalytic transfer of aqueous nitrogen into ammonia using nickel-titanium-layered double hydroxide
  42. A systematic review of clay-based photocatalysts for emergent micropollutants removal and microbial inactivation from aqueous media: Status and limitations
  43. Advances in 2D MXenes-based materials for water purification and disinfection: Synthesis approaches and photocatalytic mechanistic pathways
  44. Advances in photocatalytic reduction of hexavalent chromium: From fundamental concepts to materials design and technology challenges
  45. Magnetron Sputtering of Transition Metal Nitride Thin Films for Environmental Remediation
  46. Modeling the adsorption of divalent metallic cations onto multi-walled carbon nanotubes functionalized with COOH
  47. Enhanced adsorption of ketoprofen and 2,4-dichlorophenoxyactic acid on Physalis peruviana fruit residue functionalized with H2SO4: Adsorption properties and statistical physics modeling
  48. CoSe2 grafted on 2D gC3N4: A promising material for wastewater treatment, electrocatalysis and energy storage
  49. Photoelectrochemical properties and reactivity of supported titanium NTs for bacterial inactivation and organic pollutant removal
  50. Titanium-based photocatalytic coatings for bacterial disinfection: The shift from suspended powders to catalytic interfaces
  51. Structural and optical properties of Mn2+-doped ZnCdS/ZnS core/shell quantum dots: New insights in Mn2+ localization for higher luminescence sensing
  52. Correction to: Recent progress and challenges on the removal of perand poly-fluoroalkyl substances (PFAS) from contaminated soil and water
  53. Recent progress and challenges on the removal of per- and poly-fluoroalkyl substances (PFAS) from contaminated soil and water
  54. Heterogeneous advanced oxidation processes over stoichiometric ABO3 perovskite nanostructures
  55. Editorial overview: Nanomaterials for energy and environmental applications: advances and recent trends
  56. Novel Photocatalysts for Environmental and Energy Applications
  57. Hydrogen-based sono-hybrid catalytic degradation and mitigation of industrially-originated dye-based pollutants
  58. Modeling of indoor air treatment using an innovative photocatalytic luminous textile: Reactor compactness and mass transfer enhancement
  59. Preparation and applications of chitosan and cellulose composite materials
  60. Photo-induced environmental remediation, biomedical imaging, and microbial inactivation by Mn-doped semiconductors: critical issues
  61. Nanostructured NaFeS2 as a cost-effective and robust electrocatalyst for hydrogen and oxygen evolution with reduced overpotentials
  62. Preparation, characterization and application of biosurfactant in various industries: A critical review on progress, challenges and perspectives
  63. Coupling electrocoagulation and solar photocatalysis for electro- and photo-catalytic removal of carmoisine by Ag/graphitic carbon nitride: Optimization by process modeling and kinetic studies
  64. Accelerating the Design of Photocatalytic Surfaces for Antimicrobial Application: Machine Learning Based on a Sparse Dataset
  65. Emerging technologies for biofuel production: A critical review on recent progress, challenges and perspectives
  66. Update on Interfacial Charge Transfer (IFTC) Processes on Films Inactivating Viruses/Bacteria under Visible Light: Mechanistic Considerations and Critical Issues
  67. Insight into the interaction of magnetic photocatalysts with the incoming light accelerating bacterial inactivation and environmental cleaning
  68. Ultra-high color rendering warm-white light-emitting diodes based on an efficient green-emitting garnet phosphor for solid-state lighting
  69. Advances in Antimicrobial Coatings
  70. Mechanisms and adsorption capacities of biochar for the removal of organic and inorganic pollutants from industrial wastewater
  71. Synthesis and photoluminescence properties of near-UV-excitable cyan-emitting Ca2YHf2Ga3O12:Ce3+ garnet phosphors
  72. Combining photocatalytic process and biological treatment for Reactive Green 12 degradation: optimization, mineralization, and phytotoxicity with seed germination
  73. KCa2Mg2V3O12: A novel efficient rare-earth-free self-activated yellow-emitting phosphor
  74. Investigation and modeling of odors release from membrane holes on daily overlay in a landfill and its impact on landfill odor control
  75. Tandem Synthesis of High Yield MoS2 Nanosheets and Enzyme Peroxidase Mimicking Properties
  76. Simultaneous removal of bacteria and volatile organic compounds on Cu2O-NPs decorated TiO2 nanotubes: Competition effect and kinetic studies
  77. Emerging technologies for the recovery of rare earth elements (REEs) from the end-of-life electronic wastes: a review on progress, challenges, and perspectives
  78. Architectured Cu–TNTZ Bilayered Coatings Showing Bacterial Inactivation under Indoor Light and Controllable Copper Release: Effect of the Microstructure on Copper Diffusion
  79. Biological responses at the interface of Ti-doped diamond-like carbon surfaces for indoor environment application
  80. Insights into the Photocatalytic Bacterial Inactivation by Flower-Like Bi2WO6 under Solar or Visible Light, Through in Situ Monitoring and Determination of Reactive Oxygen Species (ROS)
  81. Introduction by guest editors: A tribute to Cesar Pulgarin and his outstanding accomplishments in science
  82. Indoor air treatment of refrigerated food chambers with synergetic association between cold plasma and photocatalysis: Process performance and photocatalytic poisoning
  83. Digitally Printed AgNPs Doped TiO2 on Commercial Porcelain-Grès Tiles: Synergistic Effects and Continuous Photocatalytic Antibacterial Activity
  84. New Evidence for Ag-Sputtered Materials Inactivating Bacteria by Surface Contact without the Release of Ag Ions: End of a Long Controversy?
  85. Recent advances on sputtered films with Cu in ppm concentrations leading to an acceleration of the bacterial inactivation
  86. Recent progress in black phosphorus nanostructures as environmental photocatalysts
  87. Nano-sized iron oxides supported on polyester textile to remove fluoroquinolones in hospital wastewater
  88. Photo-plasma catalytic hybrid systems for air treatment: reactor design from laboratory to industrial scales
  89. Photocatalytic indoor/outdoor air treatment and bacterial inactivation on CuxO/TiO2 prepared by HiPIMS on polyester cloth under low intensity visible light
  90. Deciphering the Mechanisms of Bacterial Inactivation on HiPIMS Sputtered CuxO-FeOx-PET Surfaces: From Light Absorption to Catalytic Bacterial Death
  91. Duality in the Mechanism of Hexagonal ZnO/CuxO Nanowires Inducing Sulfamethazine Degradation under Solar or Visible Light
  92. Magnetically separable TiO2/FeOx/POM accelerating the photocatalytic removal of the emerging endocrine disruptor: 2,4-dichlorophenol
  93. Quantification of the local magnetized nanotube domains accelerating the photocatalytic removal of the emerging pollutant tetracycline
  94. Flower-like magnetized photocatalysts accelerating an emerging pollutant removal under indoor visible light and related phenomena
  95. Evidence for a dual mechanism in the TiO2/CuxO photocatalyst during the degradation of sulfamethazine under solar or visible light: Critical issues
  96. Iron-coated polymer films with high antibacterial activity under indoor and outdoor light, prepared by different facile pre-treatment and deposition methods
  97. Photocatalytic degradation of binary and ternary mixtures of antibiotics: reactive species investigation in pilot scale
  98. Enhancing solar disinfection of water in PET bottles by optimized in-situ formation of iron oxide films. From heterogeneous to homogeneous action modes with H2O2 vs. O2 – Part 2: Direct use of (natural) iron oxides
  99. Femtosecond Spectroscopy of Au Hot-Electron Injection into TiO2: Evidence for Au/TiO2 Plasmon Photocatalysis by Bactericidal Au Ions and Related Phenomena
  100. Enhancing solar disinfection of water in PET bottles by optimized in-situ formation of iron oxide films. From heterogeneous to homogeneous action modes with H2O2 vs. O2 – Part 1: Iron salts as oxide precursors
  101. Piezoelectric materials for catalytic/photocatalytic removal of pollutants: Recent advances and outlook
  102. Synergism between non-thermal plasma and photocatalysis: Implicationsin the post discharge of ozone at a pilot scale in a catalytic fixed-bed reactor
  103. Monitoring the energy of the metal ion-content plasma-assisted deposition and its implication for bacterial inactivation
  104. Photocatalytic Performance of CuxO/TiO2 Deposited by HiPIMS on Polyester under Visible Light LEDs: Oxidants, Ions Effect, and Reactive Oxygen Species Investigation
  105. Advances in catalytic/photocatalytic bacterial inactivation by nano Ag and Cu coated surfaces and medical devices
  106. Recent advances in nano-bio-interactions: Editorial
  107. Nanomaterials-Based Coatings
  108. Methods for Synthesis of Hybrid Nanoparticles
  109. Physics, Electrochemistry, Photochemistry, and Photoelectrochemistry of Hybrid Nanoparticles
  110. Interaction of Vibrio to Biotic and Abiotic Surfaces: Relationship between Hydrophobicity, Cell Adherence, Biofilm Production, and Cytotoxic Activity
  111. Extracellular bacterial inactivation proceeding without Cu-ion release: Drastic effects of the applied plasma energy on the performance of the Cu-polyester (PES) samples
  112. Mechanisms of the Antibacterial Effects of TiO2–FeOx under Solar or Visible Light: Schottky Barriers versus Surface Plasmon Resonance
  113. Synthesis and characterization of fluorinated anatase nanoparticles and subsequent N-doping for efficient visible light activated photocatalysis
  114. Bacterial adhesion and inactivation on Ag decorated TiO2-nanotubes under visible light: Effect of the nanotubes geometry on the photocatalytic activity
  115. Reactive species monitoring and their contribution for removal of textile effluent with photocatalysis under UV and visible lights: Dynamics and mechanism
  116. Evidence for the degradation of an emerging pollutant by a mechanism involving iso-energetic charge transfer under visible light
  117. Oxygen enriched network-type carbon spheres for multipurpose water purification applications
  118. Solar light and the photo-Fenton process against antibiotic resistant bacteria in wastewater: A kinetic study with a Streptomycin-resistant strain
  119. Abatement of ammonia and butyraldehyde under non-thermal plasma and photocatalysis: Oxidation processes for the removal of mixture pollutants at pilot scale
  120. Bacterial disinfection by the photo-Fenton process: Extracellular oxidation or intracellular photo-catalysis?
  121. Discoloration of simulated textile effluent in continuous photoreactor using immobilized titanium dioxide: Effect of zinc and sodium chloride
  122. Innovative Ti1–xNbxN–Ag Films Inducing Bacterial Disinfection by Visible Light/Thermal Treatment
  123. First unambiguous evidence for distinct ionic and surface-contact effects during photocatalytic bacterial inactivation on Cu–Ag films: Kinetics, mechanism and energetics
  124. A green solar photo-Fenton process for the elimination of bacteria and micropollutants in municipal wastewater treatment using mineral iron and natural organic acids
  125. Study of a photocatalytic process for removal of antibiotics from wastewater in a falling film photoreactor: Scavenger study and process intensification feasibility
  126. Synergistic Effect of Fluorinated and N Doped TiO2 Nanoparticles Leading to Different Microstructure and Enhanced Photocatalytic Bacterial Inactivation
  127. Assessment of the correlation among antibiotic resistance, adherence to abiotic and biotic surfaces, invasion and cytotoxicity of Pseudomonas aeruginosa isolated from diseased gilthead sea bream
  128. Iron oxide-mediated semiconductor photocatalysis vs. heterogeneous photo-Fenton treatment of viruses in wastewater. Impact of the oxide particle size.
  129. Fungicidal activity of copper-sputtered flexible surfaces under dark and actinic light against azole-resistant Candida albicans and Candida glabrata
  130. Bactericide effects of transparent polyethylene photocatalytic films coated by oxides under visible light
  131. Photocatalytic performance of TiO 2 impregnated polyester for the degradation of Reactive Green 12: Implications of the surface pretreatment and the microstructure
  132. Study of synergetic effect, catalytic poisoning and regeneration using dielectric barrier discharge and photocatalysis in a continuous reactor: Abatement of pollutants in air mixture system
  133. Synchronic coupling of Cu2O(p)/CuO(n) semiconductors leading to Norfloxacin degradation under visible light: Kinetics, mechanism and film surface properties
  134. Insight into the catalyst/photocatalyst microstructure presenting the same composition but leading to a variance in bacterial reduction under indoor visible light
  135. Self-Sterilizing Sputtered Films for Applications in Hospital Facilities
  136. Light-Assisted Advanced Oxidation Processes for the Elimination of Chemical and Microbiological Pollution of Wastewaters in Developed and Developing Countries
  137. Innovative and stable TiO 2 supported catalytic surfaces removing aldehydes under UV-light irradiation
  138. Effect of Fe(II)/Fe(III) species, pH, irradiance and bacterial presence on viral inactivation in wastewater by the photo-Fenton process: Kinetic modeling and mechanistic interpretation
  139. Grafted semiconductors on PE-films leading to bacterial inactivation: Synthesis, characterization and mechanism
  140. Beneficial effect of Cu on Ti-Nb-Ta-Zr sputtered uniform/adhesive gum films accelerating bacterial inactivation under indoor visible light
  141. Polystyrene CuO/Cu 2 O uniform films inducing MB-degradation under sunlight
  142. FeOx magnetization enhancing E. coli inactivation by orders of magnitude on Ag-TiO2 nanotubes under sunlight
  143. Indoor Light Enhanced Photocatalytic Ultra-Thin Films on Flexible Non-Heat Resistant Substrates Reducing Bacterial Infection Risks
  144. Recent Developments in Accelerated Antibacterial Inactivation on 2D Cu-Titania Surfaces under Indoor Visible Light
  145. Modeling and treatment optimization of pharmaceutically active compounds by the photo-Fenton process: The case of the antidepressant Venlafaxine
  146. Effect of light and oxygen on repetitive bacterial inactivation on uniform, adhesive, robust and stable Cu-polyester surfaces
  147. Evidence for differentiated ionic and surface contact effects driving bacterial inactivation by way of genetically modified bacteria
  148. Sputtered Cu-polyethylene films inducing bacteria inactivation in the dark and under low intensity sunlight
  149. Stable Photocatalytic Paints Prepared from Hybrid Core-Shell Fluorinated/Acrylic/TiO2 Waterborne Dispersions
  150. Sputtered Gum metal thin films showing bacterial inactivation and biocompatibility
  151. A New Perspective in the Use of FeOx-TiO2 Photocatalytic Films: Indole Degradation in the Absence of Fe-Leaching
  152. Accelerated Antibacterial Inactivation on 2D Cu-Titania Surfaces: Latest Developments and Critical Issues
  153. In Vitro and In Vivo Effectiveness of an Innovative Silver-Copper Nanoparticle Coating of Catheters To Prevent Methicillin-Resistant Staphylococcus aureus Infection
  154. New evidence for Cu-decorated binary-oxides mediating bacterial inactivation/mineralization in aerobic media
  155. Supported TiO2 films deposited at different energies: Implications of the surface compactness on the catalytic kinetics.
  156. FeOx-TiO2 Film with Different Microstructures Leading to Femtosecond Transients with Different Properties: Biological Implications under Visible Light
  157. Castles fall from inside: Evidence for dominant internal photo-catalytic mechanisms during treatment of Saccharomyces cerevisiae by photo-Fenton at near-neutral pH
  158. Bactericidal activity and mechanism of action of copper-sputtered flexible surfaces against multidrug-resistant pathogens
  159. Insight on the photocatalytic bacterial inactivation by co-sputtered TiO 2 –Cu in aerobic and anaerobic conditions
  160. Accelerated self-cleaning by Cu promoted semiconductor binary-oxides under low intensity sunlight irradiation
  161. Correlating microscopy techniques and ToF-SIMS analysis of fully grown mammalian oocytes
  162. Environmentally mild self-cleaning processes on textile surfaces under daylight irradiation
  163. Innovative self-sterilizing transparent Fe–phosphate polyethylene films under visible light
  164. Microstructure of Cu–Ag Uniform Nanoparticulate Films on Polyurethane 3D Catheters: Surface Properties
  165. Quasi-Instantaneous Bacterial Inactivation on Cu–Ag Nanoparticulate 3D Catheters in the Dark and Under Light: Mechanism and Dynamics
  166. New evidence for hybrid acrylic/TiO2 films inducing bacterial inactivation under low intensity simulated sunlight
  167. Accelerated bacterial reduction on Ag–TaN compared with Ag–ZrN and Ag–TiN surfaces
  168. Preparation and Mechanism of Cu-Decorated TiO2–ZrO2Films Showing Accelerated Bacterial Inactivation
  169. Duality in the Escherichia coli and methicillin resistant Staphylococcus aureus reduction mechanism under actinic light on innovative co-sputtered surfaces
  170. Novel FeOx–polyethylene transparent films: synthesis and mechanism of surface regeneration
  171. Light wavelength-dependent E. coli survival changes after simulated solar disinfection of secondary effluent
  172. Innovative photocatalyst (FeOx–TiO2): transients induced by femtosecond laser pulse leading to bacterial inactivation under visible light
  173. Antibacterial surfaces based on functionally graded photocatalytic Fe3O4@TiO2 core–shell nanoparticle/epoxy composites
  174. Kinetics and mechanism for transparent polyethylene-TiO 2 films mediated self-cleaning leading to MB dye discoloration under sunlight irradiation
  175. Effect of surface pretreatment of TiO2 films on interfacial processes leading to bacterial inactivation in the dark and under light irradiation
  176. New evidence for TiO 2 uniform surfaces leading to complete bacterial reduction in the dark: Critical issues
  177. Innovative transparent non-scattering TiO2 bactericide thin films inducing increased E. coli cell wall fluidity
  178. Comparison of HIPIMS sputtered Ag- and Cu-surfaces leading to accelerated bacterial inactivation in the dark
  179. Accelerated Escherichia coli inactivation in the dark on uniform copper flexible surfaces
  180. Uniform TiO2/In2O3 surface films effective in bacterial inactivation under visible light
  181. TiO2and TiO2-Doped Films Able to Kill Bacteria by Contact: New Evidence for the Dynamics of Bacterial Inactivation in the Dark and under Light Irradiation
  182. Corrigendum to “RF-plasma pretreatment of surfaces leading to TiO2 coatings with improved optical absorption and OH-radical production” [Appl. Catal. B: Environ. 130–131 (2013) 65–72]
  183. Growth of TiO2/Cu films by HiPIMS for accelerated bacterial loss of viability
  184. Coupling of narrow and wide band-gap semiconductors on uniform films active in bacterial disinfection under low intensity visible light: Implications of the interfacial charge transfer (IFCT)
  185. Evidence for TiON sputtered surfaces showing accelerated antibacterial activity under simulated solar irradiation
  186. ZrNO–Ag co-sputtered surfaces leading to E. coli inactivation under actinic light: Evidence for the oligodynamic effect
  187. TiON and TiON-Ag sputtered surfaces leading to bacterial inactivation under indoor actinic light
  188. RF-plasma pretreatment of surfaces leading to TiO2 coatings with improved optical absorption and OH-radical production
  189. Innovative semi-transparent nanocomposite films presenting photo-switchable behavior and leading to a reduction of the risk of infection under sunlight
  190. Accelerated bacterial inactivation obtained by HIPIMS sputtering on low cost surfaces with concomitant reduction in the metal/semiconductor content
  191. Effect of the spectral properties of TiO2, Cu, TiO2/Cu sputtered films on the bacterial inactivation under low intensity actinic light
  192. Innovative TiO2/Cu Nanosurfaces Inactivating Bacteria in the Minute Range under Low-Intensity Actinic Light
  193. Photocatalysis/catalysis by innovative TiN and TiN-Ag surfaces inactivate bacteria under visible light
  194. Design, testing and characterization of innovative TiN–TiO2 surfaces inactivating bacteria under low intensity visible light