Bimetallic Pd–Pt supported graphene promoted enzymatic redox cycling for ultrasensitive electrochemical quantification of microRNA from cell lysates

The Analyst ◽  
2014 ◽  
Vol 139 (16) ◽  
pp. 3860-3865 ◽  
Author(s):  
Fang-Fang Cheng ◽  
Jing-Jing Zhang ◽  
Ting-Ting He ◽  
Jian-Jun Shi ◽  
E. S. Abdel-Halim ◽  
...  
Keyword(s):  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Redox Cycling ◽  
Ultrasensitive Detection ◽  
Cell Lysates

A novel electrochemical biosensor with triple signal amplification for the ultrasensitive detection of miRNA was developed.

A novel label free long non-coding RNA electrochemical biosensor based on green l-cysteine electrodeposition and Au–Rh hollow nanospheres as tags

RSC Advances ◽  
2015 ◽  
Vol 5 (64) ◽  
pp. 51990-51999 ◽  
Author(s):  
Fei Liu ◽  
Guiming Xiang ◽  
Liqun Zhang ◽  
Dongneng Jiang ◽  
Linlin Liu ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Single Wall Carbon Nanotubes ◽  
Complex Signal ◽  
Ultrasensitive Detection ◽  
Label Free ◽  
Hollow Nanospheres ◽  
Non Coding Rna ◽  
Long Non Coding Rna

lncRNA biosensor based on single-wall carbon nanotubes wrapped with Au–Rh hollow nanospheres (Au/Rh-HNP@SWCNT) complex signal amplification and an l-Cys Au nano-film provided ultrasensitive detection for the nuclear paraspeckle assembly transcript 1 (NEAT1).

Ultrasensitive detection of specific IgE based on nanomagnetic capture and separation with AuNP-anti-IgE nanobioprobe for signal amplification

2021 ◽  
Author(s):  
Mengda Cao ◽  
Yongxin Liu ◽  
Chen Lu ◽  
Miao Guo ◽  
Lin Li ◽  
...  
Keyword(s):  
Allergic Disease ◽  
Signal Amplification ◽  
Specific Ige ◽  
Ultrasensitive Detection ◽  
Accurate Detection ◽  
Personalized Diagnosis

The accurate detection of allergen specific IgE (sIgE) is fundamental in the diagnosis of allergic disease. The present commercial platforms fail to meet the need for personalized diagnosis, due to...

A highly sensitive electrochemical microRNA-21 biosensor based on intercalating methylene blue signal amplification and a highly dispersed gold nanoparticles/graphene/polypyrrole composite

The Analyst ◽  
2021 ◽  
Vol 146 (8) ◽  
pp. 2679-2688
Author(s):  
Chammari Pothipor ◽  
Noppadol Aroonyadet ◽  
Suwussa Bamrungsap ◽  
Jaroon Jakmunee ◽  
Kontad Ounnunkad
Keyword(s):  
Methylene Blue ◽  
Gold Nanoparticles ◽  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Highly Sensitive ◽  
Highly Dispersed ◽  
Polypyrrole Composite ◽  
Amplification Strategy ◽  
Dispersed Gold ◽  
Potential Tool

An ultrasensitive electrochemical biosensor based on a gold nanoparticles/graphene/polypyrrole composite modified electrode and a signal amplification strategy employing methylene blue is developed as a potential tool for the detection of miRNA-21.

A new enzyme-free quadratic SERS signal amplification approach for circulating microRNA detection in human serum

2015 ◽  
Vol 51 (90) ◽  
pp. 16271-16274 ◽  
Author(s):  
Jing Zheng ◽  
Dandan Ma ◽  
Muling Shi ◽  
Junhui Bai ◽  
Yinhui Li ◽  
...  
Keyword(s):  
Human Serum ◽  
Signal Amplification ◽  
Circulating Microrna ◽  
Ultrasensitive Detection ◽  
Circulating Mirna ◽  
Sers Signal ◽  
Microrna Detection

In this communication, we proposed a new enzyme-free quadratic SERS signal amplification approach for the ultrasensitive detection of circulating miRNA in human serum.

rhEPO/EPO discrimination with ultrasensitive electrochemical biosensor based on sandwich-type nano-Au/ZnO sol–gel/nano-Au signal amplification

2013 ◽  
Vol 50 ◽  
pp. 217-223 ◽  
Author(s):  
Liqun Zhang ◽  
Yunxia Wang ◽  
Jingjing Wang ◽  
Jianfeng Shi ◽  
Kun Deng ◽  
...  
Keyword(s):  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Sol Gel ◽  
Sandwich Type
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