Results 261 to 270 of about 21,085 (291)

A lateral flow biosensor based on gold nanoparticles detects four hemorrhagic fever viruses

Analytical Methods, 2020
The pathogen of viral hemorrhagic fever (VHF), which is harmful to human health, is a hemorrhagic fever virus.
Jin Zhao, Shuting Fang, Yujie Liu, Lingwen Zeng, Zhixu He   +4 more
openaire   +2 more sources

A Lateral Flow Biosensor for the Detection of Single Nucleotide Polymorphisms

2017
A lateral flow biosensor (LFB) is introduced for the detection of single nucleotide polymorphisms (SNPs). The assay is composed of two steps: circular strand displacement reaction and lateral flow biosensor detection. In step 1, the nucleotide at SNP site is recognized by T4 DNA ligase and the signal is amplified by strand displacement DNA polymerase ...
Lingwen, Zeng, Zhuo, Xiao
openaire   +2 more sources

An enzyme-amplified lateral flow strip biosensor for visual detection of MicroRNA-224

Talanta, 2016
An enzyme-based dual-labeled nanoprobe is designed to fabricate a sensitive enzyme-amplified lateral flow biosensor for visual detection of mircoRNA-224 (miRNA-224). The recognition DNA probe (detection probe) and signal amplification enzyme (Horseradish peroxidase, HRP) are immobilized on gold nanoparticle (GNPs) surface, simultaneously.
Xuefei, Gao, Li-Ping, Xu, Tingting, Wu, Yongqiang, Wen, Xinlei, Ma, Xueji, Zhang   +5 more
openaire   +2 more sources

Lateral Flow Nucleic Acid Biosensors

2016
Lateral flow nucleic acid biosensors (LFNABs) provide a variety of advantages, including being affordable, sensitive, specific, user-friendly, rapid, equipment-free, and deliverable to end users; thus, LFNABs have been very popular in biomedical, food, agriculture, environmental sciences, and so forth.
openaire   +1 more source

A lateral flow biosensor for rapid detection of DNA-binding protein c-jun

Biosensors and Bioelectronics, 2011
A lateral flow biosensor based on an immuno-chromatographic assay has been developed for the detection of DNA-binding proteins. The biosensor is composed of four parts: a sample pad, a conjugate pad, a strip of nitrocellulose membrane and an absorbent pad.
Zhiyuan, Fang, Chenchen, Ge, Wenjuan, Zhang, Puchang, Lie, Lingwen, Zeng   +4 more
openaire   +2 more sources

Disposable Nucleic Acid Biosensors Based on Gold Nanoparticle Probes and Lateral Flow Strip

Analytical Chemistry, 2009
In this article, we describe a disposable nucleic acid biosensor (DNAB) for low-cost and sensitive detection of nucleic acid samples in 15 min. Combining the unique optical properties of gold nanoparticles (Au-NP) and the high efficiency of chromatographic separation, sandwich-type DNA hybridization reactions were realized on the lateral flow strips ...
Xun, Mao, Yunqing, Ma, Aiguo, Zhang, Lurong, Zhang, Lingwen, Zeng, Guodong, Liu   +5 more
openaire   +2 more sources

A fluorescent lateral flow biosensor for the quantitative detection of Vaspin using upconverting nanoparticles

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2020
Vaspin is a protein present in human serum that can cause type-2 diabetes, obesity, and other cardiovascular diseases. We report fluorescent upconverting nanoparticles (UCNPs)-based lateral flow biosensor for ultrasensitive detection of Vaspin. A pair (primary and secondary) of cognate aptamers was used that has duo binding with Vaspin.
Muhsin, Ali, Memoon, Sajid, Muhammad Asad Ullah, Khalid, Soo Wan, Kim, Jong Hwan, Lim, Dongeun, Huh, Kyung Hyun, Choi   +6 more
openaire   +2 more sources

Double-Enhanced Photothermal Lateral Flow Biosensor Based on Dual Gold Nanoparticle Conjugates

ACS Sensors
Bacterial toxins emerge as the primary triggers of foodborne illnesses, posing a significant threat to human health. To ensure food safety, it is imperative to implement point-of-care testing methods. Lateral flow biosensors (LFBs) based on gold nanoparticles (GNPs) have been commonly used for rapid detection, but their applicationis limited by low ...
Yan Huang, Yongxiang Ji, Mengxin Zheng, Xiujuan Li, Yi Luan, Yang Liu, Xueji Zhang   +6 more
openaire   +2 more sources

A lateral flow biosensor for detection of nucleic acids with high sensitivity and selectivity

Chem. Commun., 2012
A lateral flow biosensor based on isothermal strand-displacement polymerase reaction and gold nanoparticles has been developed for the visual detection of nucleic acids with a detection limit of 0.01 fM.
Puchang, Lie, Jie, Liu, Zhiyuan, Fang, Boying, Dun, Lingwen, Zeng   +4 more
openaire   +2 more sources

Towards All-Printed Lateral Flow Biosensors

2019
Many devices in our day-to-day lives incorporate lateral flow biosensors, for example, home pregnancy test kits. These tests allow users to obtain results within 30 minutes by simply applying a few droplets of urine onto a test strip. However, these biosensors are largely manufactured using manual processes: workers cut strips (also called substrates ...
openaire   +1 more source