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Comparison of ultraviolet C light and isopropyl alcohol for the disinfection of cellular phones in a paediatric intensive care unit setting.
S Afr Med J
November 2024
Department of Paediatrics, Frere Hospital and Faculty of Health Sciences, Walter Sisulu University, East London, South Africa.
Background: A considerable proportion of cellular phones (cell phones) used by healthcare workers (HCWs) have been shown to be contaminated with pathogenic micro-organisms, making these devices reservoirs to infect susceptible patients. Although many units have well-defined infection control protocols, methods for the decontamination of cell phones are scarce.
Objectives: To compare the efficacy of ultraviolet C (UVC) light with that of 70% isopropyl alcohol in disinfecting cell phones used by HCWs in a paediatric intensive care unit (ICU).
Chip-based automated equipment for dual-mode point-of-care testing foodborne pathogens.
Biosens Bioelectron
August 2024
University of Macau Zhuhai UM Science and Technology Research Institute, Zhuhai, 519000, China. Electronic address:
Foodborne pathogens have a substantial bearing on food safety and environmental health. The development of automated, portable and compact devices is essential for the on-site and rapid point-of-care testing (POCT) of bacteria. Here, this work developed a micro-automated microfluidic device for detecting bacteria, such as Escherichia coli (E.
View Article and Find Full Text PDFA sulfur-modified pore-blocking method to enhance the electrocatalytic stability of carbon-supported platinum nanoparticles.
ChemSusChem
March 2024
State Key Lab of Oil and Gas Reservoir Geology & Exploitation, Southwest Petroleum University, Chengdu, 610500, PR China.
Currently, the durability of electrode materials remains a big obstacle to the widespread adoption of proton exchange membrane fuel cells (PEMFCs). Herein thiourea and sodium dodecyl benzene sulfonate (SDS) were employed as sulfur source and carbon source to modify the pristine carbon black (Ketjen black EC300 J). A highly durable carbon supported Pt nanosized catalyst with higher platinum utilization for oxygen reduction reaction (ORR) in PEMFCs was produced by doping elemental sulfur into carbon supports and decreasing the carbon pore sizes and volume through a successive impregnation technique.
View Article and Find Full Text PDFSmartphone-assisted paper-based electrochemical immunosensor for SARS-CoV-2 detection in saliva.
Bioelectrochemistry
April 2024
University of Rome "Tor Vergata", Department of Chemical Science and Technologies, Via della Ricerca Scientifica, 00133 Rome, Italy; SENSE4MED, Via Bitonto 139, 00133, Rome, Italy. Electronic address:
Herein, we developed a new waste solution-free paper-based electrochemical immunosensor for SARS-CoV-2 detection in saliva, by combining vertical and lateral flow. In detail, the device was constituted of a reservoir containing all reagents for the construction of the immunological chain onto the magnetic beads and a lateral flow holder which contained a polyester-based electrode, a magnet, and an adsorbent pad. The measurement was carried out by adding the saliva sample into the reservoir, followed by the addition of this solution in the hole present in the lateral flow holder.
View Article and Find Full Text PDFSmartphones as an Ecological Niche of Microorganisms: Microbial Activities, Assembly, and Opportunistic Pathogens.
Microbiol Spectr
October 2022
Max Planck Partner Group, Faculty of Agriculture, Life and Environmental Sciences, Zhejiang Universitygrid.13402.34, Hangzhou, China.
Article Synopsis
- Smartphone usage has surged, leading to high microbial presence on devices and user's hands, affecting mental and physical health.
- The study reveals that the bacterial community on smartphones resembles that of the nondominant hand and shows lower diversity compared to hand microbiota.
- Simple hygiene practices can significantly reduce bacterial load on smartphones, which serve as a breeding ground for microbes and potential pathogens, especially as smartphone usage increases in the wake of the COVID-19 pandemic.
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