Results 291 to 300 of about 2,208,157 (360)

Construction of the indicator-free electrochemical biosensor with magnetically self-assembly based on Fe₃O₄/α-Fe₂O₃ magnetic heterogeneous nanorods for the ultra-sensitive detection of CYFRA 21-1 DNA. [PDF]

Front Chem
Yi X, Deng P, Wang Z, Wang J, Wang H, Wu ZA.   +5 more
europepmc   +1 more source

Enhancing the miRNA Detection Sensitivity of DNA Origami Book Biosensors Using Lock Modifications and a Polymer Additive. [PDF]

Small
Domljanovic I, Kocabey S, P Acuna G, Ruegg C.   +3 more
europepmc   +1 more source

A DNA nanoclusters-mediated LAMP/CRISPR-Cas12a synergistic amplified biosensor for dual-mode ultrasensitive detection of Vibrio parahaemolyticus

Yuhao Xiao, Min Xu, Zhi Liao, Yanzhi Xiong, Mingquan Guo   +4 more
openalex   +1 more source

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A label-free electrochemical DNA biosensor used a printed circuit board gold electrode (PCBGE) to detect SARS-CoV-2 without amplification.

Lab on a Chip, 2023
The emergence of coronavirus disease 2019 (COVID-19) motivates continuous efforts to develop robust and accurate diagnostic tests to detect severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2).
Nor Syafirah Zambry, Mohd Syafiq Awang, K. K. Beh, H. Hamzah, Y. Bustami, G. Obande, Muhammad Fazli Khalid, M. Ozsoz, A. A. Manaf, I. Aziah   +9 more
semanticscholar   +1 more source

Guanine-Based DNA Biosensor Amplified with Pt/SWCNTs Nanocomposite as Analytical Tool for Nanomolar Determination of Daunorubicin as an Anticancer Drug: A Docking/Experimental Investigation

, 2021
Daunorubicin is a famous anthracycline anticancer chemotherapy drug with many side effects that is very important to measure in biological samples.
H. Karimi-Maleh, M. Alizadeh, Yasin Orooji, F. Karimi, M. Baghayeri, J. Rouhi, S. Tajik, H. Beitollahi, S. Agarwal, V. Gupta, S. Rajendran, Sadegh Rostamnia, L. Fu, F. Saberi-Movahed, Samira Malekmohammadi   +14 more
semanticscholar   +1 more source

TFBG-SPR DNA-Biosensor for Renewable Ultra-Trace Detection of Mercury Ions

Journal of Lightwave Technology, 2021
In this article, a tilted fiber Bragg grating (TFBG) plasmonic sensor based on thymine (T) - Hg - thymine (T) (T-Hg-T) base asymmetric pairing and Au nanoparticles (AuNPs), which can be used for highly sensitive and selective ultra-low-concentration Hg2+
Yifan Duan, F. Wang, Xinpu Zhang, Qiang Liu, Mengdi Lu, Wei Ji, Yang Zhang, Zhenguo Jing, W. Peng   +8 more
semanticscholar   +1 more source

Label-Free and Ultrasensitive Electrochemical DNA Biosensor Based on Urchin-like Carbon Nanotube-Gold Nanoparticle Nanoclusters.

Analytical Chemistry, 2020
Nanomaterials have been extensively utilized in biosensing systems for highly sensitive and selective detection of a variety of biotargets. In this work, a facile, label-free, and ultrasensitive electrochemical DNA biosensor has been developed, based on "
Shuo Han, Wenyan Liu, M. Zheng, Ri-sheng Wang   +3 more
semanticscholar   +1 more source

DNA based biosensors

Biotechnology Advances, 1997
Compared to advances in enzyme sensors, immunosensors, and microbial biosensors, relatively little work exists on DNA based biosensors. Here we review the DNA based biosensors that rely on nucleic acid hybridization. Major types DNA biosensors--electrochemical, optical, acoustic, and piezoelectric--are introduced and compared.
J, Zhai, H, Cui, R, Yang
openaire   +2 more sources

DNA electrochemical biosensors

Fresenius' Journal of Analytical Chemistry, 2001
Disposable electrochemical DNA-based biosensors are reviewed; they have been used for the determination of low-molecular weight compounds with affinity for nucleic acids and for the detection of the hybridisation reaction. The first application is related to the molecular interaction between surface-linked DNA and the target pollutants or drugs, in ...
Mascini M., PALCHETTI, ILARIA, MARRAZZA, GIOVANNA   +2 more
openaire   +2 more sources

A Novel Electrochemical DNA Biosensor Based on a Gold Nanoparticles-Reduced Graphene Oxide-Polypyrrole Nanocomposite to Detect Human T-Lymphotropic Virus-1

IEEE Sensors Journal, 2020
An electrochemical DNA biosensor for the Human T-Lymphotropic Virus-1 (HTLV-1) detection was developed using differential pulse voltammetry (DPV). For this purpose, single-strand DNA (ssDNA) probe was immobilized on the screen-printed carbon electrode ...
M. Fani, M. Rezayi, Z. Meshkat, S. Rezaee, M. Makvandi, Kambiz Ahmadi Angali   +5 more
semanticscholar   +1 more source