نتایج جستجو برای: lateral flow immunoassay lfa

تعداد نتایج: 618633  

Journal: :Biosensors & bioelectronics 2010
Dong Hwan Choi Seok Ki Lee Young Kyoung Oh Byeong Woo Bae Sung Dong Lee Sanghyo Kim Yong-Beom Shin Min-Gon Kim

For signal amplification without an additional operation step in a gold nanoparticle (AuNP)-based lateral flow assay (LFA), a new and simple method utilizing two AuNP-antibody conjugates was developed. The 1st conjugate was the AuNP immobilized with an anti-troponin I antibody and blocked with bovine serum albumin (BSA), and the 2nd conjugate was the AuNP immobilized with an anti-BSA antibody a...

Journal: :Indian journal of forensic medicine and toxicology 2021

Coronavirus disease 2019 (COVID-19) is significant global treat including to pregnant woman in Indonesia.A point-of-care diagnostic tool that able early diagnose and hasa good sensitivity specificity iscritical during the pandemic. The aim of this study was describe clinical, laboratory outcomesof women with presumptive COVID-19 compare betweenCOVID-19 rapid test (lateral flow immunoassay) real...

Journal: :Frontiers in Immunology 2021

Patients with chronic inflammatory diseases are often treated immunosuppressants and therefore of particular concern during the SARS-CoV-2 pandemic. Serological tests will improve our understanding infection immunity in this population, unless they give false positive results. The aim study was to evaluate specificity SARS-Cov-2 serological assays using samples from patients collected prior Apr...

Journal: :Lab on a chip 2012
Yuriko Oyama Toshihisa Osaki Koki Kamiya Ryuji Kawano Tsutomu Honjoh Haruki Shibata Toru Ide Shoji Takeuchi

We have developed a quantitative immunoassay chip targeting point-of-care testing. To implement a lateral flow immunoassay, a glass fiber sheet was chosen as the material for the microfluidic channel in which the negative charge on the fiber surfaces efficiently generates the electroosmotic flow (EOF). The EOF, in turn, allows controllable bound/free separation of antigen/antibody interactions ...

Journal: :American journal of physiology. Cell physiology 2012
Xing Wu Tao Yu Daniel C Bullard Dennis F Kucik

Regulation of integrin activity enables leukocytes to circulate freely, avoiding inappropriate adhesion while maintaining the ability to adhere quickly at sites of infection or inflammation. This regulation involves at least two components: affinity for ligand and affinity-independent avidity effects such as lateral mobility. Using lymphocyte function associated antigen-1 (LFA-1) as a model, we...

2016
Katarzyna M. Koczula Andrea Gallotta

Lateral flow assays (LFAs) are the technology behind low-cost, simple, rapid and portable detection devices popular in biomedicine, agriculture, food and environmental sciences. This review presents an overview of the principle of the method and the critical components of the assay, focusing on lateral flow immunoassays. This type of assay has recently attracted considerable interest because of...

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