Colorimetric Detection of DNA Sequences Using an Organic Solvent to Induce the Aggregation of Label-Free Gold Nanoparticles

2013 ◽  
Vol 13 (6) ◽  
pp. 3805-3809 ◽  
Author(s):  
Huning Jia ◽  
Xiaomei Cao ◽  
Cong Fu ◽  
Jianping Wang ◽  
Zhiyao Chen ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Organic Solvent ◽  
Dna Sequences ◽  
Colorimetric Detection ◽  
Label Free ◽  
Free Gold

Sensitive colorimetric detection of cyromazine in cucumber samples by using label-free gold nanoparticles and polythymine

The Analyst ◽  
2015 ◽  
Vol 140 (9) ◽  
pp. 3064-3069 ◽  
Author(s):  
Jinchuan Liu ◽  
Wenhui Bai ◽  
Chao Zhu ◽  
Mengmeng Yan ◽  
Shuming Yang ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Detection ◽  
Colorimetric Method ◽  
Label Free ◽  
Free Gold

A sensitive colorimetric method for cyromazine detection in cucumber samples was developed by using label-free gold nanoparticles and polythymine.

Analyte-triggered autocatalytic amplification combined with gold nanoparticle probes for colorimetric detection of heavy-metal ions

2017 ◽  
Vol 53 (54) ◽  
pp. 7477-7480 ◽  
Author(s):  
Juanhua Yang ◽  
Yun Zhang ◽  
Lang Zhang ◽  
Huili Wang ◽  
Jinfang Nie ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Gold Nanoparticles ◽  
Metal Ions ◽  
Gold Nanoparticle ◽  
Heavy Metal Ions ◽  
Colorimetric Detection ◽  
Detection Limits ◽  
Label Free ◽  
Nanoparticle Probes ◽  
Free Gold

This work reports a new nanosensor based on analyte-triggered autocatalytic amplification and label-free gold nanoparticles for the colorimetric detection of Hg2+, Cu2+and Ag+with detection limits less than 3 nM.

scholarly journals Development of label-free gold nanoparticle based rapid colorimetric assay for clinical/point-of-care screening of cervical cancer

2020 ◽  
Vol 2 (12) ◽  
pp. 5737-5745
Author(s):  
Tejaswini Appidi ◽  
Sushma V. Mudigunda ◽  
Suseela Kodandapani ◽  
Aravind Kumar Rengan
Keyword(s):  
Cervical Cancer ◽  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Colorimetric Assay ◽  
Point Of Care ◽  
Colorimetric Detection ◽  
Label Free ◽  
Free Gold ◽  
Clinical Point

“C-ColAur” technique for colorimetric detection of cervical cancer by in situ formation of gold nanoparticles.

Colorimetric Detection of Heavy Metal Ions Using Label-Free Gold Nanoparticles and Alkanethiols

2010 ◽  
Vol 114 (39) ◽  
pp. 16329-16334 ◽  
Author(s):  
Yu-Lun Hung ◽  
Tung-Ming Hsiung ◽  
Yi-You Chen ◽  
Yu-Fen Huang ◽  
Chih-Ching Huang
Keyword(s):  
Heavy Metal ◽  
Gold Nanoparticles ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Colorimetric Detection ◽  
Label Free ◽  
Free Gold

scholarly journals Disulfide-induced self-assembled targets: A novel strategy for the label free colorimetric detection of DNAs/RNAs via unmodified gold nanoparticles

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Ehsan Shokri ◽  
Morteza Hosseini ◽  
Mehdi D. Davari ◽  
Mohammad R. Ganjali ◽  
Maikel P. Peppelenbosch ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Detection ◽  
Label Free ◽  
Self Assembled ◽  
Novel Strategy

A Fluorescence Sensor for Lead (II) Ions Determination Based on Label-Free Gold Nanoparticles (GNPs)-DNAzyme Using Time-Gated Mode in Aqueous Solution

2016 ◽  
Vol 27 (2) ◽  
pp. 643-649 ◽  
Author(s):  
Xiao-Yu Wang ◽  
Cheng-Gang Niu ◽  
Li-Juan Guo ◽  
Liu-Yin Hu ◽  
Sheng-Quan Wu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Gold Nanoparticles ◽  
Fluorescence Sensor ◽  
Label Free ◽  
Free Gold
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