Pyridoxal conjugated gold nanoparticles for distinct colorimetric detection of chromium(iii) and iodide ions in biological and environmental fluids

2017 ◽  
Vol 41 (15) ◽  
pp. 7339-7346 ◽  
Author(s):  
Shilpa Bothra ◽  
Rajender Kumar ◽  
Suban K. Sahoo
Keyword(s):  
Gold Nanoparticles ◽  
Aqueous Medium ◽  
Colorimetric Detection ◽  
Iodide Ions

We developed pyridoxal conjugated gold nanoparticles (CAPy-AuNPs) for the selective colorimetric detection of Cr3+ and iodide ions in an aqueous medium.

scholarly journals CRISPR/Cas12a-mediated gold nanoparticle aggregation for colorimetric detection of SARS-CoV-2

2021 ◽  
Author(s):  
Yiren Cao ◽  
Jinjun Wu ◽  
Bo Pang ◽  
Hongquan Zhang ◽  
X. Chris Le
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Colorimetric Detection ◽  
Isothermal Amplification ◽  
Nanoparticle Aggregation ◽  
Cleavage Activity ◽  
Gold Nanoparticle Aggregation

The trans-cleavage activity of the target-activated CRISPR-Cas12a liberated an RNA crosslinker from a molecular transducer, which facilitated assembly of gold nanoparticles. Integration of the molecular transducer with isothermal amplification and...

Naked-eye colorimetric detection of HCV RNA mediated by a 5′ UTR-targeted antisense oligonucleotide and plasmonic gold nanoparticles

The Analyst ◽  
2021 ◽  
Author(s):  
Almas Shamaila Mohammed ◽  
Aniket Balapure ◽  
Mahammad Nanne Khaja ◽  
Ramakrishnan Ganesan ◽  
Jayati Ray Dutta
Keyword(s):  
Gold Nanoparticles ◽  
Antisense Oligonucleotide ◽  
Early Stage ◽  
Colorimetric Detection ◽  
Sensitive Detection ◽  
Clinical Samples ◽  
Hcv Rna ◽  
Naked Eye

An Au NP based facile strategy for the rapid, early-stage, and sensitive detection of HCV RNA in clinical samples which avoids thiol tagging to the antisense oligonucleotide and expensive infrastructure is presented.

scholarly journals Colorimetric detection of Cr3+ based on gold nanoparticles functionalized with 4-mercaptobenzoic acid

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Zhikun Zhang ◽  
Xiaojie Ye ◽  
Qingqing Liu ◽  
Yumin Liu ◽  
Runjing Liu
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Detection

Colorimetric detection of food freshness based on amine-responsive dopamine polymerization on gold nanoparticles

Talanta ◽  
2021 ◽  
pp. 122706
Author(s):  
Huan Li ◽  
Jiacheng Gan ◽  
Qing Yang ◽  
Linglin Fu ◽  
Yanbo Wang
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Detection ◽  
Food Freshness
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