Results 131 to 140 of about 1,197 (173)

An Electrochemical HbA1c Immunosensor With a Simple Electrode of Gold Nanoparticle Monolayer

IEEE Sensors Journal, 2023
This study developed a novel electrochemical glycosylated hemoglobin (HbA1c) immunosensor. Polyethylene terephthalate (PET) was used as a substrate. After gold (Au) film sputtering on the PET surface, 1,6-hexanedithol with thiol groups on both terminals ...
Chun-Chiang Tseng, Ying-Ting Lin, Gou-Jen Wang   +2 more
semanticscholar   +1 more source

Integrated Electroporated-Lysis Electrochemical Platform Enables Sensitive and Rapid EV Protein and miRNA Profiling Based on Multiplex-Responsive CRISPR/Cas12a.

Small
Proteins and miRNAs in extracellular vesicles (EVs) have emerged as crucial biomarkers for tumor diagnosis. While CRISPR/Cas12a-based platforms have shown great promise in nucleic acid and protein detection, their susceptibility to off-target activation ...
Rui Fan, Yihang Tong, Shihua Luo, Yang-dong He, Chao Yang, Wenbin Li, Jieyan Liu, Jiezhen Pan, Yiping Zhu, Xiaohe Zhang, Junfang Zhu, Yitong Zhu, Yuhang Guo, Ling Li, Bo Situ, Xiaohui Yan, Wen Ma, Lingqian Chang, Ye Zhang   +18 more
semanticscholar   +1 more source

Functionalized SiO2 Wafer Platform for on Chip Extracellular Vesicles Capture-Lysis for Electrochemical Sensing

IEEE Sensors Letters
We introduce silicon dioxide (SiO2) wafer-assisted technology for the isolation and quantification of extracellular vesicle (EV) biomarkers utilizing electrochemical impedance spectroscopy (EIS).
Nusrat Praween, Pammi Guru Krishna Thej, P. Basu   +2 more
semanticscholar   +1 more source

Colloidal Gold-Assisted Isolation and Electric Lysis of Small Exosomes for Electrochemical Detection of HER2 Cancer Biomarker

IEEE Sensors Letters
Extracellular vesicles (EVs) that contain human epidermal growth factor receptor 2 (HER2) biomarkers are released by both healthy and cancerous cells, presenting substantial potential for the precise detection of numerous disorders, including cancer.
Pammi Guru Krishna Thej, Nusrat Praween, S. Vallabhapurapu, S. Vallabhapurapu, P. Basu   +4 more
semanticscholar   +1 more source

[Intraocular electrochemical lysis at the stage of endoresection of uveal melanoma (clinical experimental study)].

Vestnik oftalmologii, 2013
Introduction of novel techniques of tumor destruction allows endoresection to be a perspective eye-preserving method of uveal melanoma treatment. Further investigations are essential to assess endoresection efficacy.
Iu A, Belyĭ, A V, Tereshchenko, A V, Shatskikh, D K, Solov'ev   +3 more
openaire   +1 more source

Integrated bacterial cell lysis and DNA extraction using paper-based isotachophoresis.

Lab on a Chip
Bacterial infections remain a global threat, particularly in low-resource settings, where access to accurate and timely diagnosis is limited. Point-of-care nucleic acid amplification tests have shown great promise in addressing this challenge.
Shruti Soni, Bhushan J. Toley
semanticscholar   +1 more source

Dual-mode electro-driven biosensor: Low-voltage lysis and hybridization synergy for rapid and sensitive pathogen screening.

Bioelectrochemistry
Bacterial infections are highly prevalent globally, and the health issues they induce often lead to numerous severe problems for human well-being, demanding timely and accurate detection strategies.
Yemin Han, Haotian Yu, Manman Lv, Han Gao, Weiming Lin, Weihao Li, Mengqing Cheng, Yan Huang, Dianhuai Meng, Tian Wen, Zuhong Lu, Quanjun Liu   +11 more
semanticscholar   +1 more source

Neodymium-YAG Laser Lysis of Retained Lens Cortex Following Phacoemulsification Cataract Surgery

International Journal of Medical and Biomedical Studies
Background: Retained lens cortex following phacoemulsification cataract surgery can lead to visual disturbances and complications. Nd:YAG laser lysis is a minimally invasive technique for managing retained cortical material, potentially improving patient
Samia Rahman, Archana Kumari, A. Mishra
semanticscholar   +1 more source

Electrochemical Impedance-Based Detection of Pancreatic Cancer Biomarker Glypican1 and Mucin1 Using Electric Field-Lysed Extracellular Vesicles for Analysis: A Proof of Concept

IEEE Sensors Journal
Glypican1 and mucin1 antigens are prominent biomarkers for the prognosis and diagnosis of pancreatic cancer. Their presence within the extracellular vesicles (EVs) opens the possibilities for oncology care through the development of minimally invasive ...
Nusrat Praween, Pammi Guru Krishna Thej, P. Basu   +2 more
semanticscholar   +1 more source

Interaction of Single E. coli Bacteria and Phage Revealed and Quantified by Electrochemical Collision Technique.

Analytical Chemistry
Interactions between phage and bacteria play pivotal roles in many fundamental biological processes and practical sensing and therapy applications, while direct in situ observation of their interaction at the single bacterial level remains a great ...
Yajun Gao, Dan Shao, Zhenquan Yang, Dengchao Wang   +3 more
semanticscholar   +1 more source