Label-free colorimetric aptasensor for highly sensitive and selective detection of proteins by using PNA/DNA hybrids and a cyanine dye

2018 ◽  
Vol 10 (31) ◽  
pp. 3824-3829 ◽  
Author(s):  
Mengjia Xu ◽  
Shu Xing ◽  
Xiaojun Xu ◽  
Pan Fu ◽  
Wanxing Xu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Cyanine Dye ◽  
Selective Detection ◽  
Label Free ◽  
Highly Sensitive ◽  
Colorimetric Aptasensor

A label-free colorimetric aptasensor that uses PNA/DNA hybrids and a cyanine dye (DiSC2(5)) was developed for highly sensitive and selective detection of proteins in aqueous solution.

Target-responsive dumbbell probe-mediated rolling circle amplification strategy for highly sensitive Hg2+ detection

RSC Advances ◽  
2014 ◽  
Vol 4 (51) ◽  
pp. 27091-27097 ◽  
Author(s):  
Qingwang Xue ◽  
Yanqin Lv ◽  
Yuanfu Zhang ◽  
Shuling Xu ◽  
Qiaoli Yue ◽  
...  
Keyword(s):  
Rolling Circle Amplification ◽  
Selective Detection ◽  
Label Free ◽  
Rolling Circle ◽  
Fluorescent Sensing ◽  
Highly Sensitive ◽  
Mercuric Ions ◽  
Amplification Strategy

A novel label-free amplified fluorescent sensing scheme based on target-responsive dumbbell probe-mediated rolling circle amplification (D-RCA) has been developed for sensitive and selective detection of mercuric ions.

Label-free biosensor based on dsDNA-templated copper nanoparticles for highly sensitive and selective detection of NAD+

RSC Advances ◽  
2016 ◽  
Vol 6 (94) ◽  
pp. 91077-91082 ◽  
Author(s):  
Jia Ge ◽  
Zhen-Zhen Dong ◽  
Lin Zhang ◽  
Qi-Yong Cai ◽  
Dong-Mei Bai ◽  
...  
Keyword(s):  
Copper Nanoparticles ◽  
Selective Detection ◽  
Label Free ◽  
Ligation Reaction ◽  
Dna Ligation ◽  
Highly Sensitive

A novel label-free biosensor for high sensing of NAD+ based on dsDNA-templated CuNPs and DNA ligation reaction.

Target induced aggregation of modified Au@Ag nanoparticles for surface enhanced Raman scattering and its ultrasensitive detection of arsenic(iii) in aqueous solution

RSC Advances ◽  
2015 ◽  
Vol 5 (95) ◽  
pp. 77755-77759 ◽  
Author(s):  
Bo Yang ◽  
Xiaochun Chen ◽  
Renyong Liu ◽  
Bianhua Liu ◽  
Changlong Jiang
Keyword(s):  
Aqueous Solution ◽  
Spectroscopic Technique ◽  
Ultrasensitive Detection ◽  
Selective Detection ◽  
Raman Spectroscopic ◽  
Highly Sensitive ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering ◽  
Induced Aggregation

A highly sensitive and selective detection of As(iii) was reported by target induced aggregation of nanoparticles enhanced Raman spectroscopic technique.

Highly sensitive and selective detection of silver(i) in aqueous solution with silver(i)-specific DNA and Sybr green I

The Analyst ◽  
2013 ◽  
Vol 138 (7) ◽  
pp. 2057 ◽  
Author(s):  
Qing Yang ◽  
Fan Li ◽  
Yan Huang ◽  
Hui Xu ◽  
Linsheng Tang ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Sybr Green ◽  
Sybr Green I ◽  
Selective Detection ◽  
Highly Sensitive

Synthesis of fluorescent ionic liquid-functionalized silicon nanoparticles with tunable amphiphilicity and selective determination of Hg2+

2018 ◽  
Vol 6 (48) ◽  
pp. 8214-8220 ◽  
Author(s):  
Quan Li ◽  
Kaite Peng ◽  
Yanzhen Lu ◽  
Aoxin Li ◽  
Fenfang Che ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Silicon Nanoparticles ◽  
Selective Detection ◽  
Label Free ◽  
Selective Determination ◽  
Highly Sensitive

Label-free fluorescent ionic liquid-functionalized silicon nanoparticles with tunable amphiphilicity for highly sensitive and selective detection of Hg2+ were synthesized.

Label-free fluorescent catalytic biosensor for highly sensitive and selective detection of the ferrous ion in water samples using a layered molybdenum disulfide nanozyme coupled with an advanced chemometric model

The Analyst ◽  
2016 ◽  
Vol 141 (5) ◽  
pp. 1822-1829 ◽  
Author(s):  
Jie Hu ◽  
Qianfen Zhuang ◽  
Yong Wang ◽  
Yongnian Ni
Keyword(s):  
Molybdenum Disulfide ◽  
Water Samples ◽  
Catalytic Effect ◽  
Ferrous Ion ◽  
Selective Detection ◽  
Label Free ◽  
Highly Sensitive

The synergistically enhanced catalytic effect of a Fe2+/molybdenum disulfide (MoS2) nanosheet was exploited to construct a nanozyme biosensor for Fe2+.

Highly Sensitive and Selective Detection of Norfloxacin in Aqueous Solution Using Carbon Based Nanomaterial

2018 ◽  
Vol 8 (12) ◽  
pp. 1719-1724
Author(s):  
Kunjie Wang ◽  
Qiuyun Shi ◽  
Qingjuan Ji ◽  
Hongxia Li ◽  
Deyi Zhang ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Selective Detection ◽  
Highly Sensitive ◽  
Carbon Based
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