Hairpin loop-enhanced fluorescent copper nanoclusters and application in S1 nuclease detection

The Analyst ◽  
2018 ◽  
Vol 143 (2) ◽  
pp. 415-419 ◽  
Author(s):  
Xian-sui Peng ◽  
Si-Yu Chen ◽  
Li-Juan Ou ◽  
Feng-Wu Luo ◽  
Si-Wen Qin ◽  
...  
Keyword(s):  
Sensitive Detection ◽  
Hairpin Loop ◽  
Enhanced Fluorescence ◽  
Copper Nanoclusters ◽  
Hairpin Dna ◽  
S1 Nuclease ◽  
Dna Template ◽  
First Time ◽  
Base Loop

A novel hairpin DNA template with an AT24 double strand stem and a six-base loop was demonstrated for the first time to prepare CuNCs with dramatically enhanced fluorescence and applied for the sensitive detection of S1 nuclease.

Additive and enhanced fluorescence effects of hairpin DNA template-based copper nanoparticles and their application for the detection of NAD+

Talanta ◽  
2016 ◽  
Vol 154 ◽  
pp. 574-580 ◽  
Author(s):  
Yinan Wang ◽  
Hongyan Cui ◽  
Zhijuan Cao ◽  
Choiwan Lau ◽  
Jianzhong Lu
Keyword(s):  
Copper Nanoparticles ◽  
Enhanced Fluorescence ◽  
Hairpin Dna ◽  
Dna Template

Facile sonochemical synthesis of pH-responsive copper nanoclusters for selective and sensitive detection of Pb2+ in living cells

The Analyst ◽  
2015 ◽  
Vol 140 (16) ◽  
pp. 5634-5639 ◽  
Author(s):  
Chuanxi Wang ◽  
Hao Cheng ◽  
Yijun Huang ◽  
Zhenzhu Xu ◽  
Huihui Lin ◽  
...  
Keyword(s):  
Living Cells ◽  
Sensitive Detection ◽  
Fluorescence Probes ◽  
Ph Responsive ◽  
Sonochemical Synthesis ◽  
Copper Nanoclusters

Fluorescent copper nanoclusters are synthesized via a simple and rapid sonochemical approach, which could work as novel fluorescence probes for pH and Pb2+ ions in living cells.

Metal–organic framework MIL-101 enhanced fluorescence anisotropy for sensitive detection of DNA

RSC Advances ◽  
2014 ◽  
Vol 4 (18) ◽  
pp. 9379-9382 ◽  
Author(s):  
Jing Fang Guo ◽  
Chun Mei Li ◽  
Xiao Li Hu ◽  
Cheng Zhi Huang ◽  
Yuan Fang Li
Keyword(s):  
Fluorescence Anisotropy ◽  
Metal Organic Framework ◽  
Sensitive Detection ◽  
Enhanced Fluorescence ◽  
Highly Sensitive ◽  
Metal Organic ◽  
Highly Sensitive Detection ◽  
Organic Framework

MIL-101 was first utilized as a fluorescence anisotropy (FA) amplifier for highly sensitive detection of DNA.

Crystalline quantum dots of covalent organic frameworks for fast and sensitive detection of uranium

2020 ◽  
Vol 56 (6) ◽  
pp. 880-883 ◽  
Author(s):  
Meicheng Zhang ◽  
Yang Li ◽  
Lijian Ma ◽  
Xinghua Guo ◽  
Xiaofeng Li ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Sensitive Detection ◽  
Covalent Organic Frameworks ◽  
First Time

A crystalline quantum dot of a COF was prepared for the first time by original BRB method for fast uranium detection.

Dynamic and static excimer: a versatile platform for single component white-light emission and chelation-enhanced fluorescence

2018 ◽  
Vol 6 (44) ◽  
pp. 12086-12094 ◽  
Author(s):  
Virendra Kumar ◽  
Bahadur Sk ◽  
Subhankar Kundu ◽  
Abhijit Patra
Keyword(s):  
White Light ◽  
Light Emission ◽  
White Light Emission ◽  
Single Component ◽  
Sensitive Detection ◽  
Enhanced Fluorescence ◽  
Efficient Generation ◽  
Chelation Enhanced Fluorescence

Tailoring the formation of dynamic and static excimers in a C3-symmetric architecture led to efficient generation of white light and sensitive detection of Fe3+ and Al3+ in a single molecular platform.

scholarly journals Highly Sensitive and Selective Fluorescent Detection of Gossypol Based on BSA-Stabilized Copper Nanoclusters

Molecules ◽  
2018 ◽  
Vol 24 (1) ◽  
pp. 95 ◽  
Author(s):  
Shuangjiao Xu ◽  
Kehai Zhou ◽  
Dan Fang ◽  
Lei Ma
Keyword(s):  
High Performance ◽  
Signal To Noise Ratio ◽  
High Sensitivity ◽  
Hplc Method ◽  
Fluorescent Detection ◽  
Copper Nanoclusters ◽  
Highly Sensitive ◽  
The Us ◽  
Fluorescence Quenching Mechanism ◽  
First Time

In this paper, fluorescent copper nanoclusters (NCs) are used as a novel probe for the sensitive detection of gossypol for the first time. Based on a fluorescence quenching mechanism induced by interactions between bovine serum albumin (BSA) and gossypol, fluorescent BSA-Cu NCs were seen to exhibit a high sensitivity to gossypol in the range of 0.1–100 µM. The detection limit for gossypol is 25 nM at a signal-to-noise ratio of three, which is approximately 35 times lower than the acceptable limit (0.9 µM) defined by the US Food and Drug Administration for cottonseed products. Moreover, the proposed method for gossypol displays excellent selectivity over many common interfering species. We also demonstrate the application of the present method to the measurement of several real samples with satisfactory recoveries, and the results agree well with those obtained using the high-performance liquid chromatography (HPLC) method. The method based on Cu NCs offers the followings advantages: simplicity of design, facile preparation of nanomaterials, and low experimental cost.

An ultra-sensitive “turn-off” fluorescent sensor for the trace detection of rifampicin based on glutathione-stabilized copper nanoclusters

The Analyst ◽  
2020 ◽  
Vol 145 (4) ◽  
pp. 1227-1235 ◽  
Author(s):  
Xiao-Man Wu ◽  
Jun-Hua Zhang ◽  
Zi-Shuo Feng ◽  
Wen-Xin Chen ◽  
Fei Zhang ◽  
...  
Keyword(s):  
Fluorescent Sensor ◽  
Inner Filter Effect ◽  
Static Quenching ◽  
Sensitive Detection ◽  
Trace Detection ◽  
Copper Nanoclusters ◽  
Filter Effect

A “turn-off” fluorescent sensor based on glutathione-stabilized copper nanoclusters (GSH-Cu NCs) was prepared for the sensitive detection of RFP via a static quenching strategy caused by the inner filter effect (IFE).

A H2O2-free electrochemical peptide biosensor based on Au@Pt bimetallic nanorods for highly sensitive sensing of matrix metalloproteinase 2

2020 ◽  
Vol 56 (45) ◽  
pp. 6039-6042 ◽  
Author(s):  
Xiaoxue Xi ◽  
Meiqi Wen ◽  
Shihao Song ◽  
Junlun Zhu ◽  
Wei Wen ◽  
...  
Keyword(s):  
Matrix Metalloproteinase ◽  
Sensitive Detection ◽  
Matrix Metalloproteinase 2 ◽  
Highly Sensitive ◽  
Bimetallic Nanorods ◽  
Highly Sensitive Detection ◽  
First Time

We construct for the first time a H2O2-free electrochemical peptide biosensor based on Au@Pt bimetallic nanorods in neutral substrate solutions for highly sensitive detection of matrix metalloproteinase 2.

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