Novel label-free electrochemiluminescence aptasensor using tetrahedral DNA nanostructure as a scaffold for ultrasensitive detection of organophosphorus pesticides in luminol-H2O2 system

The Analyst ◽  
2022 ◽  
Author(s):  
Fengzhen Yang ◽  
Jiansen Li ◽  
Haowei Dong ◽  
Guanjie Wang ◽  
Jie Han ◽  
...  
Keyword(s):  
Organophosphorus Pesticides ◽  
Ultrasensitive Detection ◽  
Label Free ◽  
Dna Nanostructure ◽  
New Type ◽  
H2o2 System

In this work, a new type of Au-Tetrahedral DNA nanostructure (Au-TDN) was originally proposed and successfully applied in an electrochemiluminescence aptasensor to detect organophosphorus pesticides (Ops). The aptamers modified by...

scholarly journals Infrared Plasmonic Biosensor with Tetrahedral DNA Nanostructure as Carriers for Label‐Free and Ultrasensitive Detection of miR‐155

2021 ◽  
pp. 2100583
Author(s):  
Xindan Hui ◽  
Cheng Yang ◽  
Dongxiao Li ◽  
Xianming He ◽  
He Huang ◽  
...  
Keyword(s):  
Ultrasensitive Detection ◽  
Label Free ◽  
Dna Nanostructure

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).

Construction of electrochemical immunosensor based on redox hydrogel for ultrasensitive detection of carcinoembryonic antigen

2021 ◽  
Author(s):  
Xiangrong Huang ◽  
Na Wu ◽  
Wenxiu Liu ◽  
Yazhuo Shang ◽  
Honglai Liu ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Carcinoembryonic Antigen ◽  
Electrochemical Detection ◽  
Electrochemical Immunosensor ◽  
Ultrasensitive Detection ◽  
Label Free

In this work, a novel redox hydrogel was proposed for ultrasensitive label-free electrochemical detection of carcinoembryonic antigen (CEA). The redox hydrogel composed by cellulose nanocrystalline (CNC), methylene blue (MB), multi-walled...

Label-free electrochemical immunosensor based on gold nanoparticle/polyethyleneimine/reduced graphene oxide nanocomposite for the ultrasensitive detection of cancer biomarker matrix metalloproteinase-1

The Analyst ◽  
2021 ◽  
Author(s):  
Xinke Liu ◽  
Lu-Yin Lin ◽  
Fu-Yen Tseng ◽  
Yu-Cheng Tan ◽  
Jian Li ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Matrix Metalloproteinase ◽  
Gold Nanoparticle ◽  
Reduced Graphene Oxide ◽  
Electrochemical Immunosensor ◽  
Ultrasensitive Detection ◽  
Label Free ◽  
Matrix Metalloproteinase 1 ◽  
Reduced Graphene ◽  
P Matrix

Matrix metalloproteinase-1 (MMP-1) is associated with many types of cancers, including oral, colorectal, and brain cancers. This paper describes the fabrication of an MMP-1 immunosensor based on a gold nanoparticle/polyethyleneimine/reduced...

An electrochemical impedance sensor for the label-free ultrasensitive detection of interleukin-6 antigen

2013 ◽  
Vol 178 ◽  
pp. 310-315 ◽  
Author(s):  
Ting Yang ◽  
Shun Wang ◽  
Huile Jin ◽  
Weiwei Bao ◽  
Shaoming Huang ◽  
...  
Keyword(s):  
Interleukin 6 ◽  
Electrochemical Impedance ◽  
Ultrasensitive Detection ◽  
Label Free ◽  
Impedance Sensor

Ultrasensitive detection of kanamycin in animal derived foods by label-free electrochemical immunosensor

2012 ◽  
Vol 134 (3) ◽  
pp. 1601-1606 ◽  
Author(s):  
Qin Wei ◽  
Yanfang Zhao ◽  
Bin Du ◽  
Dan Wu ◽  
He Li ◽  
...  
Keyword(s):  
Electrochemical Immunosensor ◽  
Ultrasensitive Detection ◽  
Label Free

Label-free ultrasensitive detection of breast cancer miRNA-21 biomarker employing electrochemical nano-genosensor based on sandwiched AgNPs in PANI and N-doped graphene

2018 ◽  
Vol 120 ◽  
pp. 129-136 ◽  
Author(s):  
Razieh Salahandish ◽  
Ali Ghaffarinejad ◽  
Eskandar Omidinia ◽  
Hossein Zargartalebi ◽  
Keivan Majidzadeh-A ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Ultrasensitive Detection ◽  
Label Free ◽  
Doped Graphene

Label-free neurophotonics: electro-plasmonic biosensors for ultrasensitive detection of electrogenic activity of cells (Conference Presentation)

2020 ◽  
Author(s):  
Ahsan Habib ◽  
Xiangchao Zhu ◽  
Isik Uryan Can ◽  
Maverick McLanahan ◽  
Pinar Zorlutuna ◽  
...  
Keyword(s):  
Ultrasensitive Detection ◽  
Label Free
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