O. Achadu

发表

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

T. Nyokong, O. Bankole, O. Achadu, 2017, Journal of Fluorescence.

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

E. Park, Kenshin Takemura, O. Achadu, 2020, Sensors and Actuators B: Chemical.

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

E. Park, Tetsuro Suzuki, O. Achadu, 2020, ACS applied materials & interfaces.

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

T. Nyokong, O. Achadu, 2017 .

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

N. Revaprasadu, O. Achadu, 2019, Microchimica Acta.

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

T. Nyokong, O. Achadu, Muthumuni Managa, 2017 .

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

T. Nyokong, O. Achadu, 2017, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

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

T. Nyokong, O. Achadu, 2016 .

Fluorescence behavior of nanoconjugates of graphene quantum dots and zinc phthalocyanines

T. Nyokong, I. Uddin, O. Achadu, 2016 .

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

De Xing Lioe, S. Kawahito, E. Park, 2020, Microchimica Acta.

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

T. Nyokong, O. Achadu, Nnamdi Nwahara, 2018 .

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

T. Nyokong, O. Achadu, Sixolile Centane, 2017 .

Assessment of heavy metals (Pb, Cd, Zn and Cu) concentrations in soils along a major highway in Wukari, North-Eastern Nigeria

O. Achadu, O. Ayejuyo, E. E. Goler, 2015 .

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

N. Revaprasadu, O. Achadu, 2018, Microchimica Acta.

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.

T. Nyokong, O. Achadu, 2017, Analytica chimica acta.

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

T. Nyokong, O. Achadu, 2015, Journal of Fluorescence.

Postgraduate writing groups as spaces of agency development

P. Mason, S. McKenna, O. Achadu, 2018, South African Journal of Higher Education.

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

Jaebeom Lee, E. Park, E. Akinoglu, 2022, Nanoscale advances.

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

T. Nyokong, O. Achadu, 2019, Dyes and Pigments.

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

T. Nyokong, O. Achadu, Muthumuni Managa, 2018 .

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

T. Nyokong, O. Achadu, Njemuwa Nwaji, 2018 .

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

E. Park, M. Yamazaki, Farzana Hossain, 2020, Microchimica Acta.

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

T. Nyokong, O. Achadu, J. Britton, 2016, Journal of Fluorescence.

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

T. Nyokong, O. Achadu, Refilwe Matshitse, 2017 .

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

A. Ogunlaja, O. Bankole, O. Achadu, 2022, BioNanoScience.

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

T. Nyokong, O. Achadu, J. Mack, 2017 .

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

T. Nyokong, O. Achadu, 2017 .

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

Tayo Alex Adekiya, O. Achadu, O. Iyiola, 2023, International journal of dynamics and control.

Assessment of Heavy Metals Levels and Leaching Potentials in Dumpsites Soils in Wukari, North-Eastern Nigeria

O. Achadu, A. Ochefu, Ocholi I. Ochimana, 2016 .

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

E. Park, M. Yamazaki, Farzana Hossain, 2021, Biosensors & bioelectronics.

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

T. Nyokong, I. Uddin, O. Achadu, 2016 .

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

T. Nyokong, O. Achadu, 2017, Talanta.

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

T. Nyokong, O. Achadu, Gertrude Fomo, 2017, Journal of Materials Science.

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

T. Nyokong, O. Achadu, 2015, Journal of Fluorescence.

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

T. Nyokong, O. Achadu, 2017, Talanta.

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

Oluwasesan Adegoke, O. Achadu, Kayode Oyinlola, 2023, Analytica Chimica Acta.

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

A. Ogunlaja, O. Bankole, O. Achadu, 2024, SSRN Electronic Journal.

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

Oluwasesan Adegoke, O. Achadu, Kayode Omotayo Adeniyi, 2024, Materials Letters.