keyword
https://read.qxmd.com/read/38536905/development-of-the-korean-construction-job-exposure-matrix-koconjem-based-on-experts-judgment-using-the-60-consolidated-occupations-for-construction-workers
#1
JOURNAL ARTICLE
Sangjun Choi, Kwang Min Lee, Hyunhee Park, Gyu-Beom Shim, Sun Woo Lee, Yoon-Ji Kim, Eun-Soo Lee, Youngki Kim, Dongmug Kang, Ju-Hyun Park, Se-Yeong Kim
BACKGROUND: This study was conducted as an effort to develop a Korean construction job exposure matrix (KoConJEM) based on 60 occupations recently consolidated by the construction workers mutual aid association for use by the construction industry. METHODS: The probability, intensity, and prevalence of exposure to 26 hazardous agents for 60 consolidated occupations were evaluated as binary (Yes/No) or four categories (1 to 4) by 30 industrial hygiene experts. The score for risk was calculated by multiplying the exposure intensity by the prevalence of exposure...
March 27, 2024: Annals of Work Exposures and Health
https://read.qxmd.com/read/38534592/advancements-in-cellulose-based-superabsorbent-hydrogels-sustainable-solutions-across-industries
#2
REVIEW
Hossein Omidian, Arnavaz Akhzarmehr, Sumana Dey Chowdhury
The development of superabsorbent hydrogels is experiencing a transformative era across industries. While traditional synthetic hydrogels have found broad utility, their non-biodegradable nature has raised environmental concerns, driving the search for eco-friendlier alternatives. Cellulose-based superabsorbents, derived from sustainable sources, are gaining prominence. Innovations include biodegradable polymer hydrogels, natural cellulose-chitosan variants, and cassava starch-based alternatives. These materials are reshaping agriculture by enhancing soil fertility and water retention, serving as potent hemostatic agents in medicine, contributing to pollution control, and providing eco-friendly construction materials...
February 29, 2024: Gels
https://read.qxmd.com/read/38531293/biomonitoring-for-workplace-exposure-to-copper-and-its-compounds-is-currently-not-interpretable
#3
JOURNAL ARTICLE
Ruth Bevan, Len Levy
This paper sets out to explore the requirements needed to recommend a useable and reliable biomonitoring system for occupational exposure to copper and its inorganic compounds. Whilst workplace environmental monitoring of copper is used to measure ambient air concentrations for comparison against occupational exposure limits, biological monitoring could provide complementary information about the internal dose of workers, taking into account intra-individual variability and exposure from all routes. For biomonitoring to be of reliable use for copper, a biomarker and the analytical ability to measure it with sufficient sensitivity must be identified and this is discussed in a range of matrices...
March 25, 2024: International Journal of Hygiene and Environmental Health
https://read.qxmd.com/read/38530223/history-and-investigation-of-the-chemical-odors-and-explosion-in-the-university-avenue-sanitary-sewer
#4
JOURNAL ARTICLE
Adam Krajicek, Neil G Carlson, Caylin Crawford
During the summer of 2022, a fire and explosion occurred in a sanitary sewer tunnel adjacent to the University of Minnesota Twin Cities campus, propelling utility maintenance covers several meters into the air and jeopardizing the safety of the public and emergency responders. The investigation into the explosion highlighted the complex variables involved in the response to sanitary sewer events. This case study outlines current approaches and proposes recommendations for agencies to be better prepared to prevent, detect, and respond to sewer-related incidents in the future...
March 26, 2024: Journal of Occupational and Environmental Hygiene
https://read.qxmd.com/read/38525653/detection-of-enterococcus-cecorum-to-identify-persistently-contaminated-locations-using-faecal-and-environmental-samples-in-broiler-houses-of-clinically-healthy-flocks
#5
JOURNAL ARTICLE
Jesper Tessin, Arne Jung, Amanda Silberborth, Karl Rohn, Jochen Schulz, Christian Visscher, Nicole Kemper
Worldwide outbreaks make infections with pathogenic strains of Enterococcus cecorum (EC) one of the most important diseases in the broiler industry. Although research has increased knowledge about the pathogen, the transmission is not fully understood. Samples from different locations were collected from two broiler farms in Germany over a total of six production cycles. Samples were collected at days 1, 5, 10, 15, 21, 27, 34, 41 post-hatch and after cleaning and disinfection (C&D). A total of 1017 samples were collected from 25 different locations on the farms...
March 25, 2024: Avian Pathology: Journal of the W.V.P.A
https://read.qxmd.com/read/38511008/growth-dynamic-of-biofilm-associated-naegleria-fowleri-in-freshwater-on-various-materials
#6
JOURNAL ARTICLE
Sébastien Goudot, Laurence Mathieu, Pascaline Herbelin, Sylvie Soreau, Frédéric P A Jorand
In industrial water systems, the occurrence of biofilm-associated pathogenic free-living amoebae (FLA) such as Naegleria fowleri is a potential hygienic problem, and factors associated with its occurrence remain poorly understood. This study aimed to evaluate the impact of four cooling circuit materials on the growth of N. fowleri in a freshwater biofilm formed at 42°C and under a hydrodynamic shear rate of 17 s-1 (laminar flow): polyvinyl chloride, stainless steel, brass, and titanium. Colonization of the freshwater biofilms by N...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38509548/welding-fume-exposure-and-prevalence-of-chronic-respiratory-symptoms-among-welders-in-micro-and-small-scale-enterprise-in-akaki-kality-sub-city-addis-ababa-ethiopia-a-comparative-cross-sectional-study
#7
JOURNAL ARTICLE
Hager Badima, Abera Kumie, Bereket Meskele, Samson Wakuma Abaya
BACKGROUND: Exposure to welding fumes can lead to different respiratory health disorders, including lung cancer, due to long-term exposures. In Ethiopia, large numbers of people are engaged in the welding sector. Often, these workers are exposed to welding fumes at their workplaces, however, the level of exposure and its health effects have never been studied. OBJECTIVE: To measure the level of personal welding fume exposure and assess chronic respiratory symptoms and associated factors, among micro and small-scale enterprise metal workshop workers, in Akaki Kality Sub city, Ethiopia...
March 20, 2024: BMC Pulmonary Medicine
https://read.qxmd.com/read/38495870/knowledge-attitude-and-food-safety-practices-among-street-food-vendors-at-a-metropolitan-district-in-ghana-a-cross-sectional-study
#8
JOURNAL ARTICLE
Abraham Norman Nortey, Hubert Amu, Ebenezer Senu, Alfred Effah
BACKGROUND: Street food is a vital component of cities and towns in developing countries. However, food poisoning has been associated with inadequate knowledge of food safety practices and inappropriate food handling. We examined the knowledge, attitude, and practices of street food sellers in the Takoradi Submetropolis, Ghana, on food safety and hygienic practice. METHOD: In this descriptive cross-sectional study, 406 street food vendors were recruited based on a simple random sampling technique from the Sekondi-Takoradi Metropolis, Ghana, using a structured questionnaire...
2024: International Journal of Food Science
https://read.qxmd.com/read/38495771/uv-emitting-glass-a-promising-strategy-for-biofilm-inhibition-on-transparent-surfaces
#9
JOURNAL ARTICLE
Leila Alidokht, Katrina Fitzpatrick, Caitlyn Butler, Kelli Z Hunsucker, Cierra Braga, William A Maza, Kenan P Fears, Marieh Arekhi, Mariana Lanzarini-Lopes
Marine biofouling causes serious environmental problems and has adverse impacts on the maritime industry. Biofouling on windows and optical equipment reduces surface transparency, limiting their application for on-site monitoring or continuous measurement. This work illustrates that UV emitting glasses (UEGs) can prevent the establishment and growth of biofilm on the illuminated surfaces. Specifically, this paper describes how UEGs are enabled by innovatively modifying the surfaces of the glass with light scattering particles...
June 2024: Biofilm
https://read.qxmd.com/read/38484844/isolation-of-shiga-toxin-producing-escherichia-coli-from-the-surfaces-of-beef-carcasses-in-slaughterhouses-in-japan
#10
JOURNAL ARTICLE
Shunsuke Ikeuchi, Shouhei Hirose, Kohei Shimada, Ayako Koyama, Shoji Ishida, Naoto Katayama, Takehiko Suzuki, Akiko Tokairin, Mayumi Tsukamoto, Yuki Tsue, Kenichi Yamaguchi, Hideo Osako, Sachiko Hiwatashi, Yumi Chiba, Hiroshi Akiyama, Hideki Hayashidani, Yukiko Hara-Kudo
Shiga toxin-producing E. coli (STEC) is an important foodborne pathogen worldwide. It is necessary to control and prevent STEC contamination on beef carcasses in slaughterhouses because STEC infection is associated with beef consumption. However, the frequencies of STEC contamination of beef carcasses in various slaughterhouses in Japan are not well known. Herein, we investigated the contamination of beef carcasses with STEC in slaughterhouses to assess the potential risks of STEC. In total, 524 gauze samples were collected from the surfaces of beef carcasses at 12 domestic slaughterhouses from November 2020 to February 2023...
March 12, 2024: Journal of Food Protection
https://read.qxmd.com/read/38463253/modification-of-superabsorbent-polymer-granules-and-fibers-for-antimicrobial-efficacy-and-malodor-control
#11
JOURNAL ARTICLE
Lori I Robins, Luis Contreras, Andrew Clark, Kyoung-Tae Kim, Andreea-Gabriela Nedelea, Glen Gullickson, Sarah E Maddocks, Jeffrey F Williams
Superabsorbent polymer (SAP) granules, typically used in personal care devices such as diapers, incontinence devices, hygiene pads, and wound dressings, and granular particles of zeolite and bentonite were each subjected to modification by exposure to solutions of 1-chloro-2,2,5,5-tetramethyl-4-imidazolidinone (MC) in ethanol at room temperature. The air-dried granules showed newly acquired properties attributable to the presence of active chlorine (Cl+ ). The treated particles effectively oxidized the malodorant 3-mercapto-3-methylbutanol (3M3MB)...
March 5, 2024: ACS Omega
https://read.qxmd.com/read/38456215/systematic-literature-review-and-meta-analysis-on-preventing-and-controlling-norovirus-outbreaks-on-cruise-ships-1990-to-2020-calling-for-behaviour-change-strategies-of-travellers
#12
JOURNAL ARTICLE
Varvara A Mouchtouri, Evangelia Simou, Soteris Soteriades, Xanthoula Rousou, Katerina Maria Kontouli, Dimitra Kafetsouli, Leonidas Kourentis, Lemonia Anagnostopoulos, Christos Hadjichristodoulou
BackgroundOutbreaks of norovirus gastroenteritis aboard cruise ships may affect a large number of people, debilitate vulnerable travellers, disrupt vacations and cause economic losses to the cruise ship industry.AimWe aimed to identify risk factors for norovirus outbreaks on cruise ships and assess the effectiveness of prevention and control measures.MethodsWe conducted a systematic literature review searching PubMed and Scopus databases as well as grey literature for articles and reports describing norovirus outbreaks on cruise ships between 1990 and 2020...
March 2024: Euro Surveillance
https://read.qxmd.com/read/38452265/identification-of-critical-industry-skills-in-an-industrial-hygiene-graduate-training-program
#13
JOURNAL ARTICLE
Jillian Moore, William J Brazile, Mollie Brazile, Jill Zarestky
Graduates of industrial hygiene training (IH) programs must be able to meet continuously evolving health and safety needs in a wide variety of occupational settings. Therefore, academic IH graduate programs must regularly evaluate their curricula and solicit input from industry professionals to make curricular changes that will better prepare their students for professional roles in industry. The purpose of this study was to identify the training gaps that existed between industry needs and the current curriculum for a United States-accredited IH graduate training program...
March 7, 2024: Annals of Work Exposures and Health
https://read.qxmd.com/read/38451632/assessment-of-emissions-and-exposure-in-3d-printing-workplaces-in-taiwan
#14
JOURNAL ARTICLE
Yung-Sheng Chuang, Abiyu Kerebo Berekute, Hsuan-Yu Hsu, Ho-Sheng Wei, Wen-Cheng Gong, Ya-Yuan Hsu, Chuen-Jinn Tsai, Kuo-Pin Yu
Three-dimensional (3D) printing is an emerging and booming industry in Taiwan. Compared to traditional manufacturing, 3D printing has various advantages, such as advanced customization, additive manufacturing, reduced mold opening time, and reduced consumption of precursors. In this study, the real-time monitoring of particulate matter (PM) and total volatile organic compound (TVOC) emissions from various filaments is investigated using fused deposition modeling with material extrusion technology, a liquid-crystal display, a stereolithography apparatus based on vat photopolymerization technology, and binder jetting for occupational settings...
March 7, 2024: Journal of Occupational and Environmental Hygiene
https://read.qxmd.com/read/38451217/design-of-customizable-personal-protective-equipment-for-3-d-printing-performance-evaluation-of-n95-respirators-using-computational-fluid-dynamics
#15
JOURNAL ARTICLE
Jack Leidemann, João Paulo Dias, Moayyad Al-Nasra
3-D printing the structural components of facemasks and personal protective equipment (PPE) based on 3-D facial scans creates a high degree of customizability. As a result, the facemask fits more comfortably with its user's specific facial characteristics, filters contaminants more effectively with its increased sealing effect, and minimizes waste with its cleanable and reusable plastic structure compared to other baseline models. In this work, 3-D renditions of the user's face taken with smartphone laser scanning techniques were used to generate customized computer-aided design (CAD) models for the several components of an N95 respirator, which are each designed with considerations for assembly and 3-D printing constraints...
March 7, 2024: Journal of Occupational and Environmental Hygiene
https://read.qxmd.com/read/38447256/distribution-of-residence-time-in-rotary-drum-composting-and-implications-for-hygienization
#16
JOURNAL ARTICLE
Dayanand Sharma, Ibrahim Saadi, Shlomi Oazana, Ran Lati, Yael Laor
Rotary drums enable rapid composting compared to static systems. Residence times (RT) of 3-5 days are commonly applied to fulfill sanitary requirements and ensure the initial stabilization of organic matter. Practically, RT distribution (RTD) implies that a portion of the feed is discharged earlier than the mean RT, which may not guarantee safe application of the end product. This study assessed RTD and other physical-chemical and biological parameters of cattle manure and green waste composted in an EcodrumTM rotary drum (∼10 m3 )...
March 5, 2024: Waste Management
https://read.qxmd.com/read/38444521/hygienic-practices-of-vendors-and-their-contribution-to-coliform-salmonella-and-shigella-bacteria-of-raw-milk-at-asella-town-oromia-ethiopia
#17
JOURNAL ARTICLE
Hirpo Tusa, Tsegaye Alemayehu, Bereket Wake Subussa, Henok Ayalew, Musa Mohammed Ali
BACKGROUND: Coliform, Salmonella , and Shigella are among the most encountered bacteria in raw milk. This study is aimed at determining the extent of coliform, Salmonella , and Shigella bacteria in raw milk and vendor hygiene practices at Asella town, Oromia Regional State, Ethiopia, from March 1 to 30, 2022. METHODS: In this study, 210 milk vendors were included; each vendor provided a 50 ml sample of raw milk. Bacteria were isolated and identified using standard bacteriological techniques...
2024: International Journal of Food Science
https://read.qxmd.com/read/38443184/-application-of-delphi-method-in-the-revision-of-dietary-quality-index-in-the-elderly
#18
JOURNAL ARTICLE
Liusen Wang, Zhihong Wang, Bing Zhang, Huijun Wang, Hongru Jiang
OBJECTIVE: To revise the dietary evaluation method of the elderly, and scientifically evaluate the dietary quality. METHODS: Delphi method was used to revise a diet quality evaluation method for the elderly according to expert consultation and statistical analysis. The recommended recipes in The Dietary Guidelines for Chinese Residents(2016) were selected for preliminary verification. RESULTS: Two rounds of expert consultation were conducted, 25 experts in the industry were invited...
January 2024: Wei Sheng Yan Jiu, Journal of Hygiene Research
https://read.qxmd.com/read/38439577/more-about-making-profits-or-providing-safe-drinking-water-a-state-of-the-art-review-on-sachet-water-contamination-in-nigeria
#19
REVIEW
Johnson C Agbasi, Arinze Longinus Ezugwu, Michael Ekuru Omeka, Ifeanyi Adolphus Ucheana, Chiedozie Chukwuemeka Aralu, Hillary Onyeka Abugu, Johnbosco C Egbueri
Public health concerns on surface and groundwater contamination worldwide have increased. Sachet water contamination has also raised serious concerns across many developing countries. While previous studies attempted to address this issue, this review takes a different approach by utilizing a comprehensive analysis of physicochemical parameters, heavy metals, and microbial loads tested in sachet water across Nigeria's six geopolitical zones, within the period of 2020-2023. In this review study, over 50 articles were carefully analyzed...
March 4, 2024: Journal of environmental science and health. Part C, Toxicology and carcinogenesis
https://read.qxmd.com/read/38437682/an-antimicrobial-zinc-ion-fiber-for-covid-19-prevention-in-nonwoven-face-coverings-for-healthcare-settings
#20
JOURNAL ARTICLE
Meredith McQuerry, Annie Dodson
The COVID-19 pandemic created an unprecedented increase in the usage of personal protective equipment (PPE) in the healthcare industry, especially in the form of face coverings. Subsequently, guidelines related to breathability and wear comfort were published by the Centers for Disease Control (CDC) as an influx of various new materials entered the PPE market. This study evaluated a proprietary, novel, zinc-ion embedded fiber with the ability to deactivate bacteria and viruses, including SARS-COV-2, for its wear comfort in a nonwoven disposable mask in comparison to a commercially available surgical face mask which served as the control...
March 4, 2024: Journal of Occupational and Environmental Hygiene
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