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Method for extracting elemental sulfur in environmental water and its application to blue tide samples from Tokyo Bay, Japan.
Anal Sci
January 2025
Estuary Research Center, Shimane University, 1060 Nishikawatsu, Matsue, Shimane, 690-8504, Japan.
A simple method for determining elemental sulfur in environmental water was developed and applied to seawater samples collected immediately after the occurrence of blue tides in Tokyo Bay. To investigate the concentration and extraction methods, artificial elemental sulfur was quantitatively produced by oxidizing a sulfide solution with an iodine solution, then used as a standard reagent in the experiments. To concentrate the elemental sulfur in the water sample, glass filter paper (GF/F) was used to filter and collect the elemental sulfur.
View Article and Find Full Text PDFA Microfluidic Paper-Based Device for Monitoring Urease Activity in Saliva.
Biosensors (Basel)
January 2025
CBQF-Centro de Biotecnologia e Química Fina, Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal.
Chronic Kidney Disease (CKD) is a disorder that affects over 10% of the global population, and that would benefit from innovative methodologies that would provide early detection. Since it has been reported that there are high levels of urease in CKD patients' saliva, this sample is a promising non-invasive alternative to blood for CKD detection and monitoring. This work introduces a novel 3D µPAD for quantifying urease activity in saliva in a range of 0.
View Article and Find Full Text PDFClassification and Prediction of VOCs Using an IoT-Enabled Electronic Nose System-Based Lab Prototype for Breath Sensing Applications.
ACS Sens
January 2025
Interdisciplinary Research Division Smart HealthCare, Indian Institute of Technology Jodhpur, Jodhpur 342030, India.
Electronic nose (e-nose) systems are well known in breath analysis because they combine breath printing with advanced and intelligent machine learning (ML) algorithms. This work demonstrates development of an e-nose system comprising gas sensors exposed to six different volatile organic compounds (VOCs). The change in the voltage of the sensors was recorded and analyzed through ML algorithms to achieve selectivity and predict the VOCs.
View Article and Find Full Text PDFObjective: This study sought to evaluate the value of a CO field-flooding device in cardiopulmonary bypass (CPB) surgical procedures for congenital heart disease (CHD) performed via a right-side small incision approach.
Methods: Between April 2022 and December 2023, 234 children with simple CHD who underwent CPB via a right-side small incision approach were separated into a control group (n = 93) without the use of a CO field-flooding device and a treatment group (n = 141) in which this device was added to the traditional surgical manual exhaust. Demographic, perioperative, arterial blood gas (ABG), and laboratory test data were then compared between these groups of patients.
Advancements in porous framework materials for chemiresistive hydrogen sensing: exploring MOFs and COFs.
Dalton Trans
January 2025
Department of Chemistry, Central Tribal University of Andhra Pradesh (CTUAP), Andhra Pradesh, 535003, India.
Hydrogen is a zero-emissive fuel and has immense potential to replace carbon-emitting fuels in the future. The development of efficient H sensors is essential for preventing hazardous situations and facilitating the widespread usage of hydrogen. Chemiresistors are popular gas sensors owing to their attractive properties such as fast response, miniaturization, simple integration with electronics and low cost.
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