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Industrial hygiene

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https://www.readbyqxmd.com/read/28641054/behavioural-interventions-to-reduce-nickel-exposure-in-a-nickel-processing-plant
#1
Krassi Rumchev, Helen Brown, Amanda Wheeler, Gavin Pereira, Jeff Spickett
Nickel is a widely used material in many industries. Although, there is enough evidence that occupational exposure to nickel may cause respiratory illnesses, allergies and even cancer, it is not possible to stop the use of nickel in occupational settings. Nickel exposure, however, can be controlled and reduced significantly in workplaces. The main objective of this study was to assess if educational intervention of hygiene behaviour could reduce nickel exposure among Indonesian nickel smelter workers. Participants were randomly assigned to three intervention groups (n = 99)...
June 22, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28638424/application-of-fuzzy-delphi-in-the-selection-of-copd-risk-factors-among-steel-industry-workers
#2
Rahmat Dapari, Halim Ismail, Rosnah Ismail, Noor Hassim Ismail
BACKGROUND: The Delphi method has been widely applied in many study areas to systematically gather experts' input on particular topic. Recently, it has become increasingly well known in health related research. This paper applied the Fuzzy Delphi method to enhance the validation of a questionnaire pertaining chronic obstructive pulmonary disease (COPD) risk factors among metal industry workers. MATERIALS AND METHODS: A detailed, predefined list of possible risk factors for COPD among metal industry workers was created through a comprehensive and exhaustive review of literature from 1995 to 2015...
2017: Tanaffos
https://www.readbyqxmd.com/read/28622341/hygienic-and-grooming-behaviors-in-african-and-european-honeybees-new-damage-categories-in-varroa-destructor
#3
Beatrice T Nganso, Ayuka T Fombong, Abdullahi A Yusuf, Christian W W Pirk, Charles Stuhl, Baldwyn Torto
Varroa destructor is an ectoparasitic pest of honeybees, and a threat to the survival of the apiculture industry. Several studies have shown that unlike European honeybees, African honeybee populations appear to be minimally affected when attacked by this mite. However, little is known about the underlying drivers contributing to survival of African honeybee populations against the mite. We hypothesized that resistant behavioral defenses are responsible for the survival of African honeybees against the ectoparasite...
2017: PloS One
https://www.readbyqxmd.com/read/28621585/inactivation-of-nonpathogenic-escherichia-coli-escherichia-coli-o157-h7-salmonella-enterica-typhimurium-and-listeria-monocytogenes-in-ice-using-a-uvc-light-emitting-diode
#4
Suguru Murashita, Shuso Kawamura, Shigenobu Koseki
Ice, widely used in the food industry, is a potential cause of food poisoning resulting from microbial contamination. Direct microbial inactivation of ice is necessary because microorganisms may have been present in the source water used to make it and/or may have been introduced due to poor hygiene during production or handling of the ice. Nonthermal and nondestructive microbial inactivation technologies are needed to control microorganisms in ice. We evaluated the applicability of a UVC light-emitting diode (UVC-LED) for microbial inactivation in ice...
June 16, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28609175/center-for-the-polyurethanes-industry-summary-of-unpublished-industrial-hygiene-studies-related-to-the-evaluation-of-emissions-of-spray-polyurethane-foam-insulation
#5
Richard D Wood
Spray polyurethane foam (SPF) insulation is used as thermal insulation for residential and commercial buildings. It has many advantages over other forms insulation; however, concerns have been raised related to chemical emissions during and after application. The American Chemistry Council's (ACC's) Center for the Polyurethanes Industry (CPI) has gathered previously unpublished industrial hygiene air sampling studies submitted by member companies that were completed during an eight year period from 2007 to 2014...
June 13, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28604175/meat-safety-an-evaluation-of-portuguese-butcher-shops
#6
Ana Santos, Margarida Fonseca Cardoso, José M Correia da Costa, Eduarda Gomes-Neves
Butcher shops are end points in the meat chain, and they can have a determinant role in cross-contamination control. This study aims to determine whether Portuguese butcher shops comply with European and Portuguese law regarding the sale of fresh meat and meat products. Butcher shops (n = 73) were assessed for meat handler and facility hygiene and for maintenance of the premises. Handlers (n = 88) were given a questionnaire composed of questions about knowledge and practice, including hazard analysis and critical control point (HACCP) and good practice in food industry, to assess their knowledge of and compliance with food safety practices...
June 12, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28603959/characterization-of-complex-polymer-self-assemblies-and-large-aggregates-by-multidetector-thermal-field-flow-fractionation
#7
Upenyu L Muza, Guilaume Greyling, Harald Pasch
Micelles prepared from amphiphilic block copolymers (ABCs) have found numerous applications in pharmaceutical, electronics, environmental, cosmetics, and hygiene industries. These micelles, whether in the pure or mixed micelle form, often exist as multiple morphologies (spherical, cylindrical, worm, or vesicular) in equilibrium with each other. However, none of the current column-based fractionation techniques or any microscopic technique are capable of a successful separation, identification, and quantitation of these complex self-assemblies with regards to morphology, size, molar mass, and chemical composition in one experiment...
June 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28602193/rapid-extraction-and-assay-of-uranium-from-environmental-surface-samples
#8
Christopher A Barrett, Wilaiwan Chouyyok, Robert J Speakman, Khris B Olsen, Raymond Shane Addleman
Environmental sampling to detect trace nuclear signatures is key component of international nuclear treaty enforcement. Herein, we explored rapid chemical extraction methods coordinated with measurement systems to provide faster, simpler assay of low level uranium from environmental samples. A key problem with the existing analytical method for processing environmental surface samples is the requirement for complete digestion of sample and sampling material. This is a time-consuming and labor-intensive process that limits laboratory throughput, elevates analytical costs, and increases background levels...
October 1, 2017: Talanta
https://www.readbyqxmd.com/read/28598345/microbiological-quality-of-ice-and-ice-machines-used-in-food-establishments
#9
Hamparsun Hampikyan, Enver Baris Bingol, Omer Cetin, Hilal Colak
The ice used in the food industry has to be safe and the water used in ice production should have the quality of drinking water. The consumption of contaminated ice directly or indirectly may be a vehicle for transmission of pathogenic bacteria to humans producing outbreaks of gastrointestinal diseases. The objective of this study was to monitor the microbiological quality of ice, the water used in producing ice and the hygienic conditions of ice making machines in various food enterprises. Escherichia coli was detected in seven (6...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28566577/biofilms-and-oxidizing-biocides-evaluation-of-disinfection-and-removal-effects-by-using-established-microbial-systems
#10
Mariko Tachikawa
 The formation of bacterial biofilms and their disinfection and removal have been important subjects in the maintenance of water quality in areas such as public spas, swimming pools, food processing lines, industrial water systems, and in the hygienic control of medical devices, hospital procedures, etc. Presented here is an outline of biofilm formation, as well as studies on the disinfection and removal of biofilms by oxidizing biocides using established biofilms. These studies using established biofilms may increase the understanding of the variable response of biofilms to planktonic bacteria, and the unique aspects of oxidizing biocides in the disinfection and removal of biofilms...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28553640/resource-estimations-in-contingency-planning-for-foot-and-mouth-disease
#11
Anette Boklund, Sten Mortensen, Maren H Johansen, Tariq Halasa
Preparedness planning for a veterinary crisis is important to be fast and effective in the eradication of disease. For countries with a large export of animals and animal products, each extra day in an epidemic will cost millions of Euros due to the closure of export markets. This is important for the Danish husbandry industry, especially the swine industry, which had an export of €4.4 billion in 2012. The purposes of this project were to (1) develop an iterative tool with the aim of estimating the resources needed during an outbreak of foot-and-mouth disease (FMD) in Denmark, (2) identify areas, which can delay the control of the disease...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28528784/keeping-the-voice-fit-in-the-group-fitness-industry-a-qualitative-study-to-determine-what-instructors-want-in-a-voice-education-program
#12
Patrick J Aiken, Anna F Rumbach
OBJECTIVES: This study aimed to provide a descriptive summary of (1) group fitness instructors' (GFIs') experiences of occupational voice use and education, and (2) the content and mode of delivery desired by GFIs in an education and training program. STUDY DESIGN: This is a qualitative inductive approach using a semi-structured interview. METHOD: Semi-structured interviews were conducted with eight GFIs recruited via self-selection sampling...
May 18, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28521744/determination-of-the-sources-and-antimicrobial-resistance-patterns-of-salmonella-isolated-from-the-poultry-industry-in-southern-ethiopia
#13
Reta Duguma Abdi, Fisseha Mengstie, Ashenafi Feyisa Beyi, Takele Beyene, Hika Waktole, Bedasso Mammo, Dinka Ayana, Fufa Abunna
BACKGROUND: Ethiopia set an ambitious masterplan to increase chicken meat and egg production from 2015 to 2020. Poultry breeding, multiplication and distribution centers in the country have received executive order to import, amplify and distribute commercial chickens to end users. The biosecurity and the pathogen fauna of the centers have not been evaluated as to whether the centers could implement the mission effectively without any risk. Thus, the aim of this study was to evaluate the biosecurity practices and the pathogen prevalence, risk factors and their antimicrobial resistance (AMR) using Salmonella as case study...
May 18, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28506182/elemental-properties-of-copper-slag-and-measured-airborne-exposures-at-a-copper-slag-processing-facility
#14
Christopher Mugford, Jenna L Gibbs, Randy Boylstein
In 1974, the National Institute for Occupational Safety and Health recommended a ban on the use of abrasives containing >1% silica, giving rise to abrasive substitutes like copper slag. We present results from a National Institute for Occupational Safety and Health industrial hygiene survey at a copper slag processing facility that consisted of the collection of bulk samples for metals and silica; and full-shift area and personal air samples for dust, metals, and respirable silica. Carcinogens, suspect carcinogens, and other toxic elements were detected in all bulk samples, and area and personal air samples...
May 16, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28486152/benzotriazole-ultraviolet-stabilizers-alter-the-expression-of-the-thyroid-hormone-pathway-in-zebrafish-danio-rerio-embryos
#15
Xuefang Liang, Jiajia Li, Christopher J Martyniuk, Juan Wang, Yufeng Mao, Huan Lu, Jinmiao Zha
Benzotriazole ultraviolet stabilizers (BUVSs) are widely used in industrial products as well as personal-hygiene products to protect the material or skin from harmful UV-radiation. Due to their persistence and bioaccumulation, BUVSs have been ubiquitously detected in aquatic environments. Although the toxicological effects of BUVSs in aquatic organisms have been previously examined, the effects of BUVSs on the thyroid system have not been adequately addressed. In this study, we assessed putative thyroid disrupting effects of BUVSs (UV-234, UV-326, UV-329 and UV-P) in zebrafish embryos at 1, 10 and 100 μg/L for 96 h...
May 3, 2017: Chemosphere
https://www.readbyqxmd.com/read/28472371/bayesian-analysis-of-occupational-exposure-data-with-conjugate-priors
#16
Rachael M Jones, Igor Burstyn
Bayesian analysis is a flexible method that can yield insight into occupational exposures as the methods quantify plausible values for exposure parameters of interest, such as the mean, variance, and specific percentiles of the exposure distribution. We describe three Bayesian analysis methods for the analysis of normally distributed data (e.g. the logarithm of measurements of chemical hazards) that use conjugate prior distributions (normal for the mean, and inverse-χ2, inverse-Γ, or vague for the variance) to provide analytical expressions for the posterior distributions of the sufficient statistics of the normal distribution (e...
June 1, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28459616/effect-of-water-activity-on-the-thermal-tolerance-and-survival-of-salmonella-enterica-serovars-tennessee-and-senftenberg-in-goat-s-milk-caramel
#17
Oscar Acosta, Jessie Usaga, John J Churey, Randy W Worobo, Olga I Padilla-Zakour
The low thermal tolerance of Salmonella enterica in foods with intermediate moisture levels, such as caramel sauces, ensures that mild heat treatment is sufficient to achieve 5-log reductions of this pathogen. This treatment mitigates the risk posed by salmonellae in raw materials; however, recontamination might occur because of survival of the pathogen in products that are not heated before consumption. This study was conducted to evaluate the effect of water activity (aw) on the thermal tolerance and survival of S...
June 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28450992/-study-of-the-bacteriological-quality-of-water-used-in-the-agro-food-industry-in-the-north-of-morocco
#18
El Houcine Haijoubi, Fatiha Benyahya, Abdrezzak Bendahou, Faima Zahra Essadqui, Mohammed El Behhari, Ahmed Fouad El Mamoune, Naima Nourouti Ghailani, Mohcine Bennani Mechita, Amina Barakat
INTRODUCTION: Water is used predominantly in food manufacturing process. Northern morocco agro-food industries use different sources of water, but public water and wells water are the main sources of water used. This water can be the main source of possible food contaminations and alterations. This study aims is to assess the bacteriological quality of water used in the agro-food industries in the Northern region of Morocco, to identify the different types of germs responsible for the pollution of these waters and to establish the main causes of this pollution...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28395354/urinary-bisphenol-a-bpa-concentrations-among-workers-in-industries-that-manufacture-and-use-bpa-in-the-usa
#19
Cynthia J Hines, Matthew V Jackson, James A Deddens, John C Clark, Xiaoyun Ye, Annette L Christianson, Juliana W Meadows, Antonia M Calafat
Background: Bisphenol A (BPA) toxicity and exposure risk to humans has been the subject of considerable scientific debate; however, published occupational exposure data for BPA are limited. Methods: In 2013-2014, 77 workers at six US companies making BPA, BPA-based resins, or BPA-filled wax provided seven urine samples over two consecutive work days (151 worker-days, 525 samples). Participant information included industry, job, tasks, personal protective equipment used, hygiene behaviors, and canned food/beverage consumption...
March 1, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28395313/qualitative-and-semiquantitative-assessment-of-exposure-to-engineered-nanomaterials-within-the-french-epinano-program-inter-and-intramethod-reliability-study
#20
Irina Guseva Canu, Delphine Jezewski-Serra, Laurène Delabre, Stéphane Ducamp, Yuriko Iwatsubo, Sabine Audignon-Durand, Cécile Ducros, Anca Radauceanu, Catherine Durand, Olivier Witschger, Emmanuel Flahaut
The relatively recent development of industries working with nanomaterials has created challenges for exposure assessment. In this article, we propose a relatively simple approach to assessing nanomaterial exposures for the purposes of epidemiological studies of workers in these industries. This method consists of an onsite industrial hygiene visit of facilities carried out individually and a description of workstations where nano-objects and their agglomerates and aggregates (NOAA) are present using a standardized tool, the Onsite technical logbook...
January 1, 2017: Annals of Work Exposures and Health
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