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Browsing Department of Mechanical Engineering by Author "Agyekum, A. A."

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Hydrothermal fabrication of MoS2/reduced graphene oxide nanohybrid composite for the electrochemical sensing of Hg (II) in green tea.

Annavaram, V.; Somala, A. R.; Chen, Q.; Kutsanedzie, F. Y.; Agyekum, A. A.; Zareef, M.; Hassan, M. M. (Materials Today: Proceedings, 2022)

Heavy metal contamination is a standout among the most genuine ecological issues: toxicity, persistence, bioaccumulation, and biomagnification through food chains. The present work aims at the synthesis of abundant, ...
A nanosystem composed of upconversion nanoparticles and N, N-diethyl-p-phenylenediamine for fluorimetric determination of ferric ion.

Chen, M.; Kutsanedzie, F. Y.; Cheng, W.; Agyekum, A. A.; Li, H.; Chen, Q (Microchimica Acta, 2018)

A system composed of upconversion nanoparticles (UCNPs) and N,N-diethyl-p-phenylenediamine (EPA) is shown to be a useful probe for highly sensitive and selective fluorometric determination of ferric ion. The fluorescence ...
An overview on the applications of typical non-linear algorithms coupled with NIR spectroscopy in food analysis

Zareef, M.; Chen, Q.; Hassan, M. M.; Arslan, M.; Hashim, M. M.; Ahmad, W.; Kutsanedzie, F. Y.; Agyekum, A. A. (Food Engineering Reviews, 2020)

Near-infrared (NIR) spectroscopy as a low-cost technique with its non-destructive fast nature, precision, control, accuracy, repeatability, and reproducibility has been extensively employed in most industries for food ...
Qualitative and quantitative analysis of chlorpyrifos residues in tea by surface-enhanced Raman spectroscopy (SERS) combined with chemometric models

Zhu, J.; Agyekum, A. A.; Kutsanedzie, F. Y.; Li, H.; Chen, Q.; Ouyang, Q.; Jiang, H. (Lwt – Food Science and Technology, 2018)

Surface-enhanced Raman spectroscopy (SERS) combined with chemometric models were employed to develop a rapid, low-cost, and sensitive method for qualitative and quantitative analysis of chlorpyrifos residues in tea. Au@Ag ...
Rapid and nondestructive quantification of trimethylamine by FT-NIR coupled with chemometric techniques

Agyekum, A. A.; Kutsanedzie, F. Y.; Mintah, B. K.; Annavaram, V.; Zareef, M.; Hassan, M. M.; Chen, Q. (Food Analytical Methods, 2019)

This paper focused on the quick and nondestructive evaluation of trimethylamine (TMA-N) in fish storage which is sequent to its freshness, the key for controlling the quality and safety of fish products by combining Fourier ...
Rapid Detection and Prediction of Norfloxacin in Fish Using Bimetallic Au@ Ag Nano-Based SERS Sensor Coupled Multivariate Calibration.

Agyekum, A. A.; Kutsanedzie, F. Y.; Mintah, B. K.; Annavaram, V.; Braimah, A. O. (Food Analytical Methods, 2022)

Norfloxacin is an antibiotic in the fluoroquinolone family licenced for use in animals. However, residues in animal products can have negative consequences for consumers. As a result, residue detection in various food ...
rGO-NS SERS-based coupled chemometric prediction of acetamiprid residue in green tea.

Hassan, M. M.; Chen, Q.; Kutsanedzie, F. Y.; Li, H.; Zareef, M.; Xu, Y.; Agyekum, A. A. (Journal of Food and Drug Analysis, 2019)

Pesticide residue in food is of grave concern in recent years. In this paper, a rapid, sensitive, SERS (Surface-enhanced Raman scattering) active reduced-graphene-oxide-gold-nano-star (rGO-NS) nano-composite nanosensor was ...

Browsing Department of Mechanical Engineering by Author "Agyekum, A. A."

Browsing Department of Mechanical Engineering by Author "Agyekum, A. A."

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