All Stories

  1. Sandwich-structured GaIn(Zn)P/ZnSeS@ZnS quantum dots-Ag@Fe3O4@SiO2 magnetoplasmonic nanosensor with simulation-driven design for influenza A(H1N1) virus biosensing

    Article • Journal of Colloid and Interface Science, February 2026, Elsevier

    Dr Ojodomo Achadu

  2. Nanoplasmonic core–shell nanoraspberry chip for ultrasensitive surface-enhanced Raman scattering detection of SARS-CoV-2: a modular nanobiosensor for respiratory virus diagnostics

    Article • Sensors & Diagnostics, January 2026, Royal Society of Chemistry

    Dr Ojodomo Achadu

  3. An organic-inorganic polyacrylamide-based surface imprinted quantum dots for the impedimetric and voltammetric detection of diazepam in saliva with smartphone readout

    Article • Talanta, April 2025, Elsevier

    Dr Ojodomo Achadu

  4. Multichannel nanosensor for rapid virus discrimination using fluorescence sensing pattern array of quantum dot-gold nanoparticle nano-assemblies

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, April 2025, Elsevier

    Dr Ojodomo Achadu

  5. Fabrication of organic/inorganic reactive composites for fast removal of arsenic species from groundwater systems

    Article • Water Research, March 2025, Elsevier

    Dr Ojodomo Achadu

  6. Molecular Insights into α-Synuclein Fibrillation: A Raman Spectroscopy and Machine Learning Approach

    Article • ACS Chemical Neuroscience, January 2025, American Chemical Society (ACS)

    Dr Ojodomo Achadu

  7. Alpha-synuclein aggregation induces prominent cellular lipid changes as revealed by Raman spectroscopy and machine learning analysis

    Article • Brain Communications, January 2025, Oxford University Press (OUP)

    Dr Ojodomo Achadu

  8. Nanomaterials and their use in bioelectronic medicine

    Article • September 2024, Royal Society of Chemistry

    Dr Ojodomo Achadu

  9. Signal-amplified surface-enhanced Raman scattering using core/shell satellite nanoparticles for norovirus detection

    Article • Microchimica Acta, August 2024, Springer Science + Business Media

    Dr Ojodomo Achadu

  10. Molecularly Imprinted Viral Protein Integrated Zn–Cu–In–Se–P Quantum Dots Superlattice for Quantitative Ratiometric Electrochemical Detection of SARS-CoV-2 Spike Protein in Saliva

    Article • ACS Applied Nano Materials, July 2024, American Chemical Society (ACS)

    Dr Ojodomo Achadu

  11. Insight into the electrochemical performance of heavy metal-free quantum dots in different buffered ferricyanide/ferrocyanide redox systems

    Article • Materials Letters, May 2024, Elsevier

    Dr Ojodomo Achadu

  12. Facile synthesis of solar active charcoal passivated Ag3PO4 and their two-channel mechanisms for H2O2 formation in aerated water

    Article • Journal of Molecular Structure, March 2024, Elsevier

    Dr Ojodomo Achadu

  13. Advancing Brain Research through Surface-Enhanced Raman Spectroscopy (SERS): Current Applications and Future Prospects

    Article • Biosensors, January 2024, MDPI AG

    Dr Ojodomo Achadu

  14. The Synthesis of Anisotropic 3D Nanomagnets for Magnetic Actuation and Sensing in Piezoelectric Polyvinylidene Fluoride towards Magnetic Nanogenerator Device Fabrication

    Article • November 2023, MDPI AG

    Dr Ojodomo Achadu

  15. Blue-emitting SiO2-coated Si-doped ZnSeS quantum dots conjugated aptamer-molecular beacon as an electrochemical and metal-enhanced fluorescence biosensor for SARS-CoV-2 spike protein

    Article • Analytica Chimica Acta, November 2023, Elsevier

    Dr Ojodomo Achadu

  16. Ultrasensitive Raman Spectroscopy-Based Virus Detection Using Glycan-Coated Plasmonic Substrates

    Article • October 2023, MDPI AG

    Dr Ojodomo Achadu

  17. Optimal control of the coronavirus pandemic with both pharmaceutical and non-pharmaceutical interventions

    Article • International Journal of Dynamics and Control, February 2023, Springer Science + Business Media

    Maba Boniface Matadi, Dr Ojodomo Achadu

  18. Amoxicillin Encapsulation on Alginate/Magnetite Composite and Its Antimicrobial Properties Against Gram-Negative and Positive Microbes

    Article • BioNanoScience, October 2022, Springer Science + Business Media

    Dr Ojodomo Achadu

  19. “Plug and Play” diagnostic systems with optoelectronic nanosensors

    Article • July 2022, Royal Society of Chemistry

    Dr Ojodomo Achadu

  20. Green synthesis of carbon dots using expired agar for a label-free fluorescence signal-amplified detection of ferric ion utilizing oxalate functionalization

    Article • Materials Advances, January 2022, Royal Society of Chemistry

    Dr Ojodomo Achadu

  21. 3D hierarchically porous magnetic molybdenum trioxide@gold nanospheres as a nanogap-enhanced Raman scattering biosensor for SARS-CoV-2

    Article • Nanoscale Advances, January 2022, Royal Society of Chemistry

    Dr Ojodomo Achadu

  22. Facile Synthesis of Solar Active Charcoal Passivated Ag <sub>3</sub>PO <sub>4</sub> and Their Two-Channel Mechanisms for H <sub>2</sub>O <sub>2</sub> Formation in Aerated Water

    Article • SSRN Electronic Journal, January 2022, Elsevier

    Dr Ojodomo Achadu

  23. Sulfur-doped carbon dots@polydopamine-functionalized magnetic silver nanocubes for dual-modality detection of norovirus

    Article • Biosensors and Bioelectronics, December 2021, Elsevier

    Professor Masahito Yamazaki, Dr Ojodomo Achadu

  24. Molybdenum Trioxide Quantum Dot-Encapsulated Nanogels for Virus Detection by Surface-Enhanced Raman Scattering on a 2D Substrate

    Article • ACS Applied Materials & Interfaces, June 2021, American Chemical Society (ACS)

    Dr Ojodomo Achadu

  25. Fluorescent and electrochemical dual-mode detection of Chikungunya virus E1 protein using fluorophore-embedded and redox probe-encapsulated liposomes

    Article • Microchimica Acta, November 2020, Springer Science + Business Media

    Professor Masahito Yamazaki, Dr Ojodomo Achadu

  26. Plasmonic/magnetic molybdenum trioxide and graphitic carbon nitride quantum dots-based fluoroimmunosensing system for influenza virus

    Article • Sensors and Actuators B Chemical, October 2020, Elsevier

    Dr Ojodomo Achadu

  27. Molybdenum Trioxide Nanocubes Aligned on a Graphene Oxide Substrate for the Detection of Norovirus by Surface-Enhanced Raman Scattering

    Article • ACS Applied Materials & Interfaces, September 2020, American Chemical Society (ACS)

    Dr Ojodomo Achadu

  28. Fluoroimmunoassay of influenza virus using sulfur-doped graphitic carbon nitride quantum dots coupled with Ag2S nanocrystals

    Article • Microchimica Acta, July 2020, Springer Science + Business Media

    Dr Ojodomo Achadu

  29. Tannic acid-derivatized graphitic carbon nitride quantum dots as an “on-off-on” fluorescent nanoprobe for ascorbic acid via copper(II) mediation

    Article • Microchimica Acta, January 2019, Springer Science + Business Media

    Dr Ojodomo Achadu

  30. Fluorescence “turn-ON” nanosensor for cyanide ion using supramolecular hybrid of graphene quantum dots and cobalt pyrene-derivatized phthalocyanine

    Article • Dyes and Pigments, January 2019, Elsevier

    Dr Ojodomo Achadu

  31. Postgraduate writing groups as spaces of agency development

    Article • South African Journal of Higher Education, December 2018, Stellenbosch University

    Dr Ojodomo Achadu

  32. Microwave-assisted synthesis of thymine-functionalized graphitic carbon nitride quantum dots as a fluorescent nanoprobe for mercury(II)

    Article • Microchimica Acta, September 2018, Springer Science + Business Media

    Dr Ojodomo Achadu

  33. In-situ synthesis of gold nanoparticles on graphene quantum dots-phthalocyanine nanoplatforms: First description of the photophysical and surface enhanced Raman scattering behaviour

    Article • Journal of Photochemistry and Photobiology A Chemistry, May 2018, Elsevier

    Dr Ojodomo Achadu

  34. Photophysical studies of graphene quantum dots - Pyrene-derivatized porphyrins conjugates when encapsulated within Pluronic F127 micelles

    Article • Dyes and Pigments, January 2018, Elsevier

    Dr Ojodomo Achadu

  35. Photo-induced resonance energy transfer and nonlinear optical response in ball-type phthalocyanine conjugated to semiconductor and graphene quantum dots

    Article • New Journal of Chemistry, January 2018, Royal Society of Chemistry

    Dr Ojodomo Achadu

  36. Characterization and physicochemical studies of the conjugates of graphene quantum dots with differently charged zinc phthalocyanines

    Article • Journal of Coordination Chemistry, October 2017, Taylor & Francis

    Dr Ojodomo Achadu

  37. Graphene quantum dots anchored onto mercaptopyridine-substituted zinc phthalocyanine-Au@Ag nanoparticle hybrid: Application as fluorescence “ off-on-off ” sensor for Hg 2+ and biothiols

    Article • Dyes and Pigments, October 2017, Elsevier

    Dr Ojodomo Achadu

  38. In situ one-pot synthesis of graphitic carbon nitride quantum dots and its 2,2,6,6-tetramethyl(piperidin-1-yl)oxyl derivatives as fluorescent nanosensors for ascorbic acid

    Article • Analytica Chimica Acta, October 2017, Elsevier

    Dr Ojodomo Achadu

  39. One-pot synthesis of graphene quantum dots–phthalocyanines supramolecular hybrid and the investigation of their photophysical properties

    Article • Journal of Materials Science, September 2017, Springer Science + Business Media

    Dr Ojodomo Achadu

  40. Effects of Substituents on the Electrocatalytic Activity of Cobalt Phthalocyanines when Conjugated to Graphene Quantum Dots

    Article • Electroanalysis, August 2017, Wiley

    Dr Ojodomo Achadu

  41. Graphene quantum dots decorated with maleimide and zinc tetramaleimido-phthalocyanine: Application in the design of “OFF-ON” fluorescence sensors for biothiols

    Article • Talanta, May 2017, Elsevier

    Dr Ojodomo Achadu

  42. Graphene quantum dots coordinated to mercaptopyridine-substituted phthalocyanines: Characterization and application as fluorescence “turn ON” nanoprobes

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, March 2017, Elsevier

    Dr Ojodomo Achadu

  43. Nonlinear Interactions of Zinc Phthalocyanine-Graphene Quantum Dots Nanocomposites: Investigation of Effects of Surface Functionalization with Heteroatoms

    Article • Journal of Fluorescence, January 2017, Springer Science + Business Media

    Dr Ojodomo Achadu

  44. Optical limiting properties of 3,5-diphenyldibenzo-azaBODIPY at 532 nm

    Article • New Journal of Chemistry, January 2017, Royal Society of Chemistry

    Dr John Mack, Dr Ojodomo Achadu

  45. Fluorescence behaviour of supramolecular hybrids containing graphene quantum dots and pyrene-derivatized phthalocyanines and porphyrins

    Article • Journal of Photochemistry and Photobiology A Chemistry, January 2017, Elsevier

    Dr Ojodomo Achadu

  46. Application of graphene quantum dots functionalized with thymine and thymine-appended zinc phthalocyanine as novel photoluminescent nanoprobes

    Article • New Journal of Chemistry, January 2017, Royal Society of Chemistry

    Dr Ojodomo Achadu

  47. Graphene Quantum Dots Functionalized with 4-Amino-2, 2, 6, 6-Tetramethylpiperidine-N-Oxide as Fluorescence “Turn-ON” Nanosensors

    Article • Journal of Fluorescence, September 2016, Springer Science + Business Media

    Dr Ojodomo Achadu

  48. The interaction between graphene quantum dots grafted with polyethyleneimine and Au@Ag nanoparticles: Application as a fluorescence “turn-on” nanoprobe

    Article • Journal of Photochemistry and Photobiology A Chemistry, June 2016, Elsevier

    Dr Ojodomo Achadu

  49. Fluorescence behavior of nanoconjugates of graphene quantum dots and zinc phthalocyanines

    Article • Journal of Photochemistry and Photobiology A Chemistry, February 2016, Elsevier

    Dr Ojodomo Achadu

  50. Application of graphene quantum dots decorated with TEMPO-derivatized zinc phthalocyanine as novel nanoprobes: probing the sensitive detection of ascorbic acid

    Article • New Journal of Chemistry, January 2016, Royal Society of Chemistry

    Dr Ojodomo Achadu

  51. Interaction of Graphene Quantum Dots with 4-Acetamido-2,2,6,6-Tetramethylpiperidine-Oxyl Free Radicals: A Spectroscopic and Fluorimetric Study

    Article • Journal of Fluorescence, November 2015, Springer Science + Business Media

    Dr Ojodomo Achadu

  52. Micellar Aided Determination of Aluminium and Iron

    Article • IOSR Journal of Applied Chemistry, January 2013, IOSR Journals

    Dr Ojodomo Achadu