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Advancing microfluidic point-of-care platelet function tests: opportunities and challenges from bench to market.
Front Bioeng Biotechnol
December 2024
George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, United States.
Platelets are critical for blood clotting, with shear-induced platelet aggregation (SIPA) playing a key role in hemostasis and the prevention of excessive bleeding. SIPA function potentially leads to life-threatening diseases such as hemorrhage and myocardial infarction, which are leading causes of death globally. Point-of-care platelet function tests (POC PFTs) are developed to assess platelet dysfunction and distinguish between normal and abnormal platelet activity.
View Article and Find Full Text PDFGender-Affirming Hormone Therapy Is Associated with Increased Odds of Screening for Sexually Transmitted Infections in a Clinical Cohort of Transgender and Nonbinary Adults.
Transgend Health
December 2024
Fenway Health, The Fenway Institute, Boston, Massachusetts, USA.
Purpose: Transgender and nonbinary adults (TNB) are disproportionately burdened by sexually transmitted infections (STI) and the human immunodeficiency virus (HIV). This study investigated whether gender-affirming hormone therapy was associated with TNB adults' odds of screening for STI and HIV.
Methods: Longitudinal data came from the electronic medical records of TNB primary care patients receiving care at two community health centers located in Boston, Massachusetts, and New York City, New York, between January 2013 and December 2019.
Predicting Mutations in Cutaneous Melanoma Patients Using Neural Network Analysis.
J Skin Cancer
December 2024
Scientific Department, Medical Laboratory CSD, Kyiv, Ukraine.
Point mutations at codon 600 of the BRAF oncogene are the most common alterations in cutaneous melanoma (CM). Assessment of BRAF status allows to personalize patient management, though the affordability of molecular testing is limited in some countries. This study aimed to develop a model for predicting alteration in BRAF based on routinely available clinical and histological data.
View Article and Find Full Text PDFBiomimetic fluorescence-enhanced platform based on photonic crystals and DNAzyme walker for visualization and quantification of miRNA-21.
Talanta
December 2024
Institute of Biomedical Precision Testing and Instrumentation, College of Artificial Intelligence, Taiyuan University of Technology, Taiyuan, Shanxi, 030600, PR China.
Developing a fluorescence sensing platform for point-of-care detection of low abundance biomarkers is highly valuable for early diagnosis of disease. Herein, a biomimetic fluorescence-enhanced platform based on photonic crystals and DNAzyme walker was constructed and further applied to visualize and quantify the miRNA-21 in biological samples. The DNAzyme walker was orthogonally activated by the target miRNA-21, which enabled the unlocking of the DNAzyme walker strand and the subsequently repeated substrate cleavage, thus generating enhanced fluorescence signals.
View Article and Find Full Text PDFAll-in-one microfluidic immunosensing device for rapid and end-to-end determination of salivary biomarkers of cardiovascular diseases.
Biosens Bioelectron
December 2024
School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315200, China. Electronic address:
Routine screening for cardiovascular diseases (CVDs) through point-of-care assays for at-home or community-based testing of salivary biomarkers can significantly improve patient outcomes. However, its translatability has been hindered by a dearth of biosensing devices that streamline assay procedures for rapid biomarker quantitation. To address this challenge through end-to-end engineering, we developed an in-house, all-in-one microfluidic immunosensing device that integrates on-chip vibration-enhanced incubation, magnetic-assisted separation using immune magnetic bead probes, and colorimetric readout via absorbance measurements.
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