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Effect of Remote Ischemic Conditioning on the Form and Function of Red Blood Cells in Patients With Acute Ischemic Stroke.
Stroke
January 2025
Department of Neurology, Medical College of Georgia, Augusta University. (M.B.K., B.B., D.C.H.).
Background: Remote ischemic conditioning (RIC) is a simple and low-cost intervention that is thought to increase collateral blood flow through the vasodilatory effects of nitric oxide (NO) produced by the endothelium and red blood cells (RBCs). This study aims to investigate whether RIC affects RBC deformability and levels of NO and nitrite in patients with ischemic stroke.
Methods: This is a predefined substudy to the RESIST (Remote Ischemic Conditioning in Patients With Acute Stroke Trial) randomized clinical trial conducted in Denmark.
Enhanced porphyrin-based hypoxia imaging by temporal oversampling of delayed fluorescence signal.
J Biomed Opt
February 2025
University of Wisconsin-Madison, Department of Medical Physics, Madison, Wisconsin, United States.
Significance: Protoporphyrin IX (PpIX) delayed fluorescence (DF) is inversely related to the oxygen present in tissues and has potential as a novel biomarker for surgical guidance and real-time tissue metabolism assessment. Despite the unique promise of this technique, its successful clinical translation is limited by the low intensity emitted.
Aim: We developed a systematic study of ways to increase the PpIX DF signal through acquisition sampling changes, allowing optimized imaging at video rates.
Aptamer-Antibody Birecognized Sandwich SERRS Biosensor in Accurate and Rapid Identification of Intraoperative Parathyroid Hormone.
Anal Chem
January 2025
State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Energy, Discipline of Intelligent Instrument and Equipment, Cancer Center and Department of Breast and Thyroid Surgery, Department of Ultrasound, Xiang'an Hospital of Xiamen University, School of Medicine, Laboratory Animal Center Xiamen University, Xiamen University, Xiamen 361005, China.
With the increasing incidence of thyroid cancer worldwide and the increasing demand for surgery, the risk of parathyroid injury is also increasing, which will lead to postoperative hypoparathyroidism (HP) and hypocalcemia. In order to improve the quality of life of patients after surgery, there is an urgent need to develop a novel platform that can identify the parathyroid gland immediately during surgery. The parathyroid gland promotes the increase of blood calcium concentration by secreting parathyroid hormone (PTH).
View Article and Find Full Text PDFA machine-learning-integrated portable electrochemiluminescence sensing platform for the visualization and high-throughput immunoassays.
Talanta
January 2025
College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, PR China. Electronic address:
Electrochemiluminescence (ECL)-based point-of-care testing (POCT) has the potential to facilitate the rapid identification of diseases, offering advantages such as high sensitivity, strong selectivity, and minimal background interference. However, as the throughput of these devices increases, the issues of increased energy consumption and cross-contamination of samples remain. In this study, a high-throughput ECL biosensor platform with the assistance of machine learning algorithms is developed by combining a microcolumn array electrode, a microelectrochemical workstation, and a smartphone with custom software.
View Article and Find Full Text PDFMindray CL-900i assay: An effective assay for hepatitis B surface antigen screening with superior specificity.
IJID Reg
March 2025
Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha, Qatar.
Objectives: The chemiluminescence immunoassay automated Abbott ARCHITECT hepatitis B surface antigen (HBsAg) screening assay is globally recognized for its superior sensitivity but notably low specificity. This mandates positive results confirmation by another confirmatory assay, such as the widely used Abbott ARCHITECT HBsAg neutralizing assay. This study aimed to evaluate the performance of the new chemiluminescence immunoassay, Mindray CL-900i HBsAg screening assay in comparison to the ARCHITECT neutralizing/confirmatory assay.
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