ArticleHeliyon2020
L-cysteine modified silver nanoparticles for selective and sensitive colorimetric detection of vitamin B1 in food and water samples.
Article in Heliyon, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 64 citations in OpenAlex.
- Hydrothermal duck-feather keratin as a reagent-free bioreductant and capping matrix for bioactive silver nanoparticles.Discover nano · 2026Article
- Quaternized tetraethylenepentamine-capped AgNPs for selective and rapid colorimetric detection of mercury(II) in water.Scientific reports · 2025Article
- RP-HPLC for simultaneous determination of water-soluble vitamins in leafy vegetables using ultrasonicated acid hydrolysis.RSC advances · 2025Article
- Plasmonic colorimetric sensor based on alpha-cyclodextrin-functionalized silver nanoparticles for the selective detection of arsenic(iii) in aqueous media.RSC advances · 2024Article
- Green synthesis of self-oriented flower-like Ag@AgAmino acids · 2024Article
- Application and prospect of microbial foodHeliyon · 2024Review
- Green synthesis of silver nanoparticles fromRSC advances · 2024Article
- Analytical developments in the synergism of copper particles and cysteine: a review.Nanoscale advances · 2024Review
- Electrochemical sensing of B-complex vitamins: current challenges and future prospects with microfluidic integration.RSC advances · 2024Review
- A Comparative Study of Cancer Cells Susceptibility to Silver Nanoparticles Produced by Electron Beam.Pharmaceutics · 2023Article
- Dual colorimetric sensing of ascorbic acid and thyroxine using Ag-EGCG-CTABRSC advances · 2021Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The use of L-cysteine modified silver nanoparticles (Cys-capped AgNPs) as a colorimetric probe for determination of vitamin B1 (thiamine) is described in the present work. This method is based on the measurement of red shift of localized surface plasmon resonance (LSPR) band of Cys-capped AgNPs in the region of 200-800 nm. The color of Cys-capped AgNPs was changed from yellow to colorless by the addition of vitamin B1. The mechanism for detection of vitamin B1 is based on the electrostatic interaction between positively charged vitamin B1, which causes the red shift of LSPR band from 390 nm to 580 nm. The interaction between Cys-capped AgNPs and vitamin B1 was theoretically explored by density function theory (DFT) using LANL2DZ basis sets with help of Gaussian 09 (C.01) program. The morphology, size distribution and optical properties of Cys-capped AgNPs were characterized by transmission electron microscope (TEM), UV-Visible spectrophotometry, Fourier transform infrared spectroscopy (FTIR) and dynamic light scattering (DLS) techniques. The method is linear in the range of 25-500 μg mL
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