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Staining Tissues with Basic Blue 7: A New Dual-Polarity Matrix for MALDI Mass Spectrometry Imaging.
Anal Chem
January 2025
Department of Chemistry, Faculty of Science, Masaryk University, Brno 625 00, Czech Republic.
Obtaining high-quality matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) images and the reproducibility of the technique depend strongly on the sample preparation protocol. The most crucial part is the application of the MALDI matrix, which often relies on expensive spraying or sublimation coaters. In this work, we present a new dual-polarity matrix for MALDI mass spectrometry imaging (MSI): Basic Blue 7 (BB7), which belongs to the group of triarylmethane dyes.
View Article and Find Full Text PDFIntermittent Fetal Heart Monitoring Through Moyo Doppler Improves Nonreassuring Fetal Heart Rate Detection in Hospital of Ethiopia: A Randomized Controlled Trial.
J Perinat Neonatal Nurs
January 2025
Author Affiliations: Departments of Midwifery (Mr Fikadu), Internal Medicine (Dr Shibru), and Obstetrics and Gynecology (Drs Koira, Chufamo, and Mulugeta), and School of Public Health (Messrs Kote and Hailemariam and Dr Ayele), College of Medicine and Health Sciences, Arba Minch University, Southern Region, Arba Minch, Ethiopia; Ethiopia Midwives Association, Addis Ababa, Ethiopia (Messrs Belgu and Mazengia); and Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Amhara Region, Gondar, Ethiopia (Dr Ayele).
Purpose: This study was aimed to assess the effect of intermittent fetal heart rate (FHR) monitoring using Moyo Doppler compared with fetoscope in hospitals of Ethiopia, 2023.
Background: To facilitate more prompt identification of a hypoxic fetus, Laerdal Global Health has recently introduced the Moyo FHR monitor. Nevertheless, there exists limited knowledge regarding its efficacy derived from multicenter contextual trials conducted in resource-constrained environments, specifically in Ethiopia.
Magnetic Field-Accelerated Nonthermal Plasma Digestion for Field Pretreatment and Determination of Heavy Metals in Biological Samples.
Anal Chem
January 2025
Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
Field analysis of heavy metals in biological samples is essential for assessing their potential threats to human health. The development of portable pretreatment and detection devices is crucial to address this challenge. Herein, a magnetic field-accelerated nonthermal plasma digestion device using dielectric barrier discharge (DBD) is designed for the rapid and environmentally friendly pretreatment of biological samples and subsequently combined with point discharge-optical emission spectrometry (PD-OES) for sensitive determination of heavy metals.
View Article and Find Full Text PDFPatent ductus arteriosus closure in infants weighing less than 1500 g via a tiny microcatheter: a simple technique with zero-contrast exposure.
Cardiol Young
January 2025
Pediatric Cardiology, Stead Family Children's Hospital, University of Iowa, Iowa City, IA, USA.
Background: Despite patent ductus arteriosus closure in premature infants is a relatively fast procedure, it involves specific steps for equipment exchange and the use of a 4-Fr catheter, which may be large for tiny infants, potentially causing haemodynamic instability or tricuspid valve regurgitation.
Objectives: This study aims to describe the early experience with a new technique designed to simplify transcatheter patent ductus arteriosus closure in premature infants. It enables the closure using the KA micro plug device via a single microcatheter without equipment exchanges and contrast exposure.
Facile synthesis of an α-FeO-TiO-MXene heterojunction for enhanced acetone gas sensors.
RSC Adv
January 2025
School of Science, Hubei University of Technology Wuhan 430068 China
Acetone is harmful to the environment and human health. Therefore, research on acetone sensors for its high-efficiency detection is necessary. Herein, an α-FeO-TiO-MXene heterojunction was synthesized using a simple precipitation method, and its sensitivity towards acetone was systematically investigated.
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