scholarly journals Multi-shaped cationic gold nanoparticle-l-cysteine-ZnSeS quantum dots hybrid nanozyme as an intrinsic peroxidase mimic for the rapid colorimetric detection of cocaine

2019 ◽  
Vol 287 ◽  
pp. 416-427 ◽  
Author(s):  
Oluwasesan Adegoke ◽  
Craig McKenzie ◽  
Niamh Nic Daeid
Keyword(s):  
Quantum Dots ◽  
Gold Nanoparticle ◽  
Colorimetric Detection ◽  
Peroxidase Mimic ◽  
Cationic Gold

Colorimetric Detection with Aptamer-Gold Nanoparticle Conjugates: Effect of Aptamer Length on Response

2012 ◽  
Author(s):  
Jorge L. Chavez ◽  
Nancy Kelley-Loughnane ◽  
Morley O. Stone ◽  
Robert I. MacCuspie
Keyword(s):  
Gold Nanoparticle ◽  
Colorimetric Detection

NiAg-graphene quantum dot-graphene hybrid with high oxidase-like catalytic activity for sensitive colorimetric detection of malathion

2021 ◽  
Author(s):  
Xu Dan ◽  
Ruiyi Li ◽  
Qinsheng Wang ◽  
Yongqiang Yang ◽  
Haiyan Zhu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Graphene Oxide ◽  
Catalytic Activity ◽  
Quantum Dot ◽  
Colorimetric Detection ◽  
Graphene Quantum Dots ◽  
Functionalized Graphene ◽  
Graphene Quantum Dot ◽  
Nickel Silver

The paper reports the synthesis of nickel-silver-graphene quantum dot-graphene hybrid. Histidine-functionalized graphene quantum dots (His-GQDs) were bonded to graphene oxide (GO) and then combined with Ni2+ and Ag+ to form...

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...

Colorimetric detection of cholesterol based on highly efficient peroxidase mimetic activity of graphene quantum dots

2015 ◽  
Vol 218 ◽  
pp. 42-50 ◽  
Author(s):  
Narsingh R. Nirala ◽  
Shiju Abraham ◽  
Vinod Kumar ◽  
Anushka Bansal ◽  
Anchal Srivastava ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Colorimetric Detection ◽  
Graphene Quantum Dots ◽  
Highly Efficient ◽  
Peroxidase Mimetic

Facile Preparation of Cationic Gold Nanoparticle-Bioconjugates for Cell Penetration and Nuclear Targeting

ACS Nano ◽  
2012 ◽  
Vol 6 (9) ◽  
pp. 7692-7702 ◽  
Author(s):  
Isaac Ojea-Jiménez ◽  
Lorena García-Fernández ◽  
Julia Lorenzo ◽  
Victor F. Puntes
Keyword(s):  
Gold Nanoparticle ◽  
Cell Penetration ◽  
Nuclear Targeting ◽  
Facile Preparation ◽  
Cationic Gold

A promising design of microfluidic electromembrane extraction coupled with sensitive colorimetric detection for colorless compounds based on quantum dots fluorescence

Talanta ◽  
2019 ◽  
Vol 194 ◽  
pp. 298-307 ◽  
Author(s):  
Shahram Seidi ◽  
Mirsina Hashemi Ranjbar ◽  
Mahroo Baharfar ◽  
Maryam Shanehsaz ◽  
Mohammad Tajik
Keyword(s):  
Quantum Dots ◽  
Colorimetric Detection ◽  
Electromembrane Extraction

Colorimetric detection of 1,5-anhydroglucitol based on graphene quantum dots and enzyme-catalyzed reaction

2018 ◽  
Vol 112 ◽  
pp. 1217-1224 ◽  
Author(s):  
Zhide Zhou ◽  
Le Zhao ◽  
Zhihong Wang ◽  
Wen Xue ◽  
Yunxiao Wang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Colorimetric Detection ◽  
Graphene Quantum Dots

Graphene–palladium nanowires based electrochemical sensor using ZnFe2O4–graphene quantum dots as an effective peroxidase mimic

2014 ◽  
Vol 852 ◽  
pp. 181-188 ◽  
Author(s):  
Weiyan Liu ◽  
Hongmei Yang ◽  
Chao Ma ◽  
Ya-nan Ding ◽  
Shenguang Ge ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Electrochemical Sensor ◽  
Graphene Quantum Dots ◽  
Peroxidase Mimic ◽  
Palladium Nanowires

scholarly journals A portable lab-on-a-chip system for gold-nanoparticle-based colorimetric detection of metal ions in water

2014 ◽  
Vol 8 (5) ◽  
pp. 052107 ◽  
Author(s):  
Chen Zhao ◽  
Guowei Zhong ◽  
Da-Eun Kim ◽  
Jinxia Liu ◽  
Xinyu Liu
Keyword(s):  
Metal Ions ◽  
Gold Nanoparticle ◽  
Colorimetric Detection ◽  
Lab On A Chip
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