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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/28640687/dust-exposure-and-coccidioidomycosis-prevention-among-solar-power-farm-construction-workers-in-california
#2
Gail L Sondermeyer Cooksey, Jason A Wilken, Jennifer McNary, Debra Gilliss, Dennis Shusterman, Barbara L Materna, Duc J Vugia
OBJECTIVES: To investigate if work activities, dust exposure, and protection measures were associated with a 2011 to 2014 coccidioidomycosis outbreak among workers constructing 2 solar farms in California. METHODS: In 2013, we mailed self-administered questionnaires to employees who were onsite at the solar farms where the outbreak occurred to identify cases of clinical coccidioidomycosis and compare with asymptomatic workers by using multivariate logistic regression...
June 22, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28640596/drug-target-kinetics-in-drug-discovery
#3
Peter J Tonge
The development of therapies for the treatment of neurological cancer faces a number of major challenges including the synthesis of small molecule agents that can penetrate the blood brain barrier (BBB). Given the likelihood that in many cases drug exposure will be lower in the CNS than in systemic circulation, it follows that strategies should be employed that can sustain target engagement at low drug concentration. Time dependent target occupancy is a function of both the drug and target concentration as well as the thermodynamic and kinetic parameters that describe the binding reaction coordinate, and sustained target occupancy can be achieved through structural modifications that increase target (re)binding and/or that decrease the rate of drug dissociation...
June 22, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28637328/diesel-engine-exhaust-basis-for-occupational-exposure-limit-value
#4
Piia Taxell, Tiina Santonen
Diesel engines are widely used in transport and power supply, making occupational exposure to diesel exhaust common. Both human and animal studies associate exposure to diesel exhaust with inflammatory lung effects, cardiovascular effects, and an increased risk of lung cancer. The International Agency for Research on Cancer (IARC) has evaluated diesel exhaust as carcinogenic to humans. Yet national or regional limit values for controlling occupational exposure to diesel exhaust are rare. In recent decades, stricter emission regulations have led to diesel technologies evolving significantly, resulting in changes in exhaust emissions and composition...
June 15, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28637146/instilling-positive-beliefs-about-disabilities-pilot-testing-a-novel-experiential-learning-activity-for-rehabilitation-students
#5
Arielle M Silverman, Jennifer S Pitonyak, Ian K Nelson, Patricia N Matsuda, Deborah Kartin, Ivan R Molton
PURPOSE: To develop and test a novel impairment simulation activity to teach beginning rehabilitation students how people adapt to physical impairments. METHODS: Masters of Occupational Therapy students (n = 14) and Doctor of Physical Therapy students (n = 18) completed the study during the first month of their program. Students were randomized to the experimental or control learning activity. Experimental students learned to perform simple tasks while simulating paraplegia and hemiplegia...
February 25, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28636488/workers-exposure-to-bioaerosols-from-three-different-types-of-composting-facilities
#6
Laetitia Bonifait, Geneviève Marchand, Marc Veillette, Hamza M'Bareche, Marie-Eve Dubuis, Carole Pépin, Yves Cloutier, Yves Bernard, Caroline Duchaine
Composting is a natural dynamic biological process used to valorise putrescible organic matter. The composting process can involve vigorous movements of waste material piles, which release high concentrations of bioaerosols into the surrounding environment. There is a lack of knowledge concerning the dispersal of airborne microorganisms emitted by composting plants (CP) as well as the potential occupational exposure of composting workers. The aim of this study was to investigate the workers exposure to bioaerosols during working activities in three different types of composting facilities (domestic, manure, carcass) using two different quantification methods (cultivation and qPCR) for bacteria and moulds concentrations...
June 21, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28636443/personal-protective-equipment-supply-chain-lessons-learned-from-recent-public-health-emergency-responses
#7
Anita Patel, Maryann M D'Alessandro, Karen J Ireland, W Greg Burel, Elaine B Wencil, Sonja A Rasmussen
Personal protective equipment (PPE) that protects healthcare workers from infection is a critical component of infection control strategies in healthcare settings. During a public health emergency response, protecting healthcare workers from infectious disease is essential, given that they provide clinical care to those who fall ill, have a high risk of exposure, and need to be assured of occupational safety. Like most goods in the United States, the PPE market supply is based on demand. The US PPE supply chain has minimal ability to rapidly surge production, resulting in challenges to meeting large unexpected increases in demand that might occur during a public health emergency...
May 2017: Health Security
https://www.readbyqxmd.com/read/28635439/social-and-occupational-factors-associated-with-psychological-wellbeing-among-occupational-groups-affected-by-disaster-a-systematic-review
#8
Samantha K Brooks, Rebecca Dunn, Richard Amlôt, G James Rubin, Neil Greenberg
BACKGROUND: The psychological impact of disasters has been well-documented; less attention has been paid to factors affecting the wellbeing of those exposed to disasters as occupational groups. AIMS: To conduct a systematic literature review identifying social and occupational factors affecting the wellbeing of disaster-exposed employees; to use these factors to identify recommendations for potential interventions. METHOD: Four electronic literature databases were searched; reference lists of relevant papers were hand-searched...
March 1, 2017: Journal of Mental Health
https://www.readbyqxmd.com/read/28633889/serious-pneumococcal-disease-outbreak-in-men-exposed-to-metal-fume-detection-response-and-future-prevention-through-pneumococcal-vaccination
#9
Judith Ewing, Lynsey Patterson, Neil Irvine, Lorraine Doherty, Anne Loughrey, Joe Kidney, Carmen Sheppard, Georgia Kapatai, Norman K Fry, Mary Ramsay, Lucy Jessop
Welders and those exposed to metal fume are known to be at increased risk of pneumococcal pneumonia and invasive pneumococcal disease. Current UK guidance recommends that vaccination against pneumococcus be considered in those at risk of frequent or continuous occupational exposure to metal fume, taking into account the exposure control measures in place. We report an outbreak of serious pneumococcal disease that occurred between April and June 2015 among a multinational workforce exposed to metal fumes while working on the refurbishment of an oil rig in a Belfast shipyard...
June 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28633660/a-re-assessment-of-the-safety-of-silver-in-household-water-treatment-rapid-systematic-review-of-mammalian-in-vivo-genotoxicity-studies
#10
REVIEW
Lorna Fewtrell, Batsirai Majuru, Paul R Hunter
BACKGROUND: Despite poor evidence of their effectiveness, colloidal silver and silver nanoparticles are increasingly being promoted for treating potentially contaminated drinking water in low income countries. Recently, however, concerns have been raised about the possible genotoxicity of particulate silver. OBJECTIVES: The goal of this paper was to review the published mammalian in vivo genotoxicity studies using silver micro and nanoparticles. METHODS: SCOPUS and Medline were searched using the following search string: ("DNA damage" OR genotox* OR Cytotox* OR Embryotox*) AND (silver OR AgNP)...
June 20, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28631452/the-impact-of-the-anaesthetic-conserving-device-on-occupational-exposure-to-isoflurane-among-intensive-care-healthcare-professionals
#11
Jennifer Herzog-Niescery, Heike Vogelsang, Philipp Gude, Hans-Martin Seipp, Horst Bartz, Waldemar Uhl, Thomas P Weber, Martin Bellgardt
BACKGROUND: Use of Anesthetic Conserving Devices (ACD) for inhalational isoflurane sedation in intensive care units (ICU) has grown in recent years, and healthcare professionals are concerned about isoflurane pollution and exposure-related health risks. Real-time measurements to determine isoflurane exposure in ICU personnel during short-term patient care procedures and ACD handling have not yet been performed. METHODS: Isoflurane concentrations in the breathing zones of ICU staff (25 cm around the nose and mouth) were measured, by photoacoustic gas monitoring, during daily practice including tracheal suctioning, oral hygiene, body care, and patient positioning...
June 14, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28629263/mass-spectrometry-based-analysis-of-murine-bronchoalveolar-lavage-fluid-following-respiratory-exposure-to-4-4-methylene-diphenyl-diisocyanate-aerosol
#12
Justin M Hettick, Brandon F Law, Chen-Chung Lin, Adam V Wisnewski, Paul D Siegel
Diisocyanates are highly reactive electrophiles utilized in the manufacture of a wide range of polyurethane products, and have been identified as causative agents of occupational allergic respiratory disease. However, in spite of the significant occupational health burden associated with diisocyanate-induced asthma, the mechanism of disease pathogenesis remains largely unknown. To better understand the fate of inhaled diisocyanates, a nose-only aerosol exposure system was constructed and utilized to expose a BALB/c mouse model to aerosol generated from 4,4'-methylene diphenyl diisocyanate (MDI)...
June 20, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28629204/paternal-risk-factors-for-oral-clefts-in-northern-africans-southeast-asians-and-central-americans
#13
Stephanie Ly, Madeleine L Burg, Ugonna Ihenacho, Frederick Brindopke, Allyn Auslander, Kathleen S Magee, Pedro A Sanchez-Lara, Thi-Hai-Duc Nguyen, Viet Nguyen, Maria Irene Tangco, Angela Rose Hernandez, Melissa Giron, Fouzia J Mahmoudi, Yves A DeClerck, William P Magee Iii, Jane C Figueiredo
While several studies have investigated maternal exposures as risk factors for oral clefts, few have examined paternal factors. We conducted an international multi-centered case-control study to better understand paternal risk exposures for oral clefts (cases = 392 and controls = 234). Participants were recruited from local hospitals and oral cleft repair surgical missions in Vietnam, the Philippines, Honduras, and Morocco. Questionnaires were administered to fathers and mothers separately to elicit risk factor and family history data...
June 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28627428/occupational-exposure-of-cashew-nut-workers-to-kyasanur-forest-disease-at-goa-india
#14
D Y Patil, P D Yadav, A M Shete, J Nuchina, R Meti, D Bhattad, S Someshwar, D T Mourya
We report herewith a series of suspected cases of Kyasanur forest disease (KFD) returned to Belgaum, Karnataka state from Goa, India. KFD was confirmed in 13 out of 76 cases either by real time RT-PCR or IgM ELISA. No case fatality was recorded. KFD positivity was also recorded among human and monkeys from Sattari taluk, Goa during the same period. The envelope gene sequence of positive human samples from Belgaum showed highest identity of 99.98 to 99.99% with sequences of KFD virus isolated from human case and monkey from Goa...
June 13, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28627154/-mortality-study-in-a-cohort-of-workers-employed-in-the-hot-working-processing-of-plastics-and-rubber
#15
Alberto Gerosa, Corrado Scarnato, Bruno Marchesini, Evi Ietri, Venere Leda Mara Pavone
OBJECTIVES: to study mortality rates among workers in companies manufacturing thermoplastic and rubber articles (excluding tyres). DESIGN: cohort study. SETTING AND PARTICIPANTS: the cohort includes 4,543 workers employed up to 2000 in 131 companies in the Province of Bologna (Emilia-Romagna Region, Northern Italy) exposed to emissions from hot processing of plastics (3,937) and rubber (606). MAIN OUTCOME MEASURES: general- and cause-specific Standardized Mortality Rates (SMR), with 95% confidence intervals; entire reference population resides in the Emilia-Romagna Region...
January 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28627111/european-surveillance-system-on-contact-allergies-essca-results-with-the-european-baseline-series-2013-14
#16
W Uter, J C Amario-Hita, A Balato, B Ballmer-Weber, A Bauer, A Belloni Fortina, A Bircher, M M U Chowdhury, S M Cooper, A Dugonik, R Gallo, A Giménez-Arnau, J D Johansen, S M John, M Kieć-Świerczyńska, T Kmecl, B Kręcisz, F Larese Filon, V Mahler, M Pesonen, T Rustemeyer, A Sadowska-Przytocka, J Sánchez-Perez, S Schliemann, M L Schuttelaar, D Simon, R Spiewak, S Valiukeviciene, E Weisshaar, I R White, S M Wilkinson
BACKGROUND: Contact allergy is a common condition and can severely interfere with daily life or professional activities. Due to changes in exposures, a consequence of introduction of new substances, new products or formulations, and regulatory intervention, the spectrum of contact sensitisation changes. OBJECTIVE: To evaluate the current spectrum of contact allergy to allergens present in the European baseline series (EBS) across Europe. METHODS: Retrospective analysis of data collected by the European Surveillance System on Contact Allergies (ESSCA, www...
June 19, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28626294/optical-molecular-fluorescence-determination-of-ultra-trace-beryllium-in-occupational-and-environmental-samples-using-highly-alkaline-conditions
#17
Lori Adams, Anoop Agrawal, John P Cronin, Kevin Ashley
Exposures to beryllium (Be), even at extremely low levels, can cause severe health effects in a percentage of those exposed; consequently, occupational exposure limits (OELs) promulgated for this element are the lowest established for any element. This work describes the advantages of using highly alkaline dye solutions for determination of Be in occupational hygiene and environmental samples by means of an optical molecular fluorescence technique after sample extraction in 1-3% (w˖w(-1)) aqueous ammonium bifluoride (NH4HF2)...
2017: International Journal of Environmental Analytical Chemistry
https://www.readbyqxmd.com/read/28625925/vanadium-exposure-induced-striatal-learning-and-memory-alterations-in-rats
#18
Liping Sun, Keyue Wang, Yan Li, Qiyuan Fan, Wei Zheng, Hong Li
Occupational and environmental exposure to vanadium has been associated with toxicities in reproductive, respiratory, and cardiovascular systems. The knowledge on whether and how vanadium exposure caused neurobehavioral changes remains incomplete. This study was designed to investigate the changes in learning and memory following drinking water exposure to vanadium, and to conduct the preliminary study on underlying mechanisms. Male Sprague-Dawley rats were exposed to vanadium dissolved in drinking water at the concentration of 0...
June 15, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28625623/mesothelioma-continues-to-increase-even-40-years-after-exposure-evidence-from-long-term-epidemiological-observation
#19
B Świątkowska, N Szeszenia-Dąbrowska
BACKGROUND: Because asbestos dust is considered one of the most dangerous types of dust for people's health, issues related to the effects of asbestos exposure still remain questions about the role of cessation of exposure. OBJECTIVES: The aim of the present study was to determine the importance of temporal patterns, especially the time since the end of exposure in the risk of pleural mesothelioma. METHODS: A total of 131 patients with pleural mesothelioma and 655 frequency matched by gender and year of birth controls enrolled in the health surveillance programme for asbestos-related diseases over the years 2000-2014, were included in the analysis...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28625577/risk-factors-for-chronic-cough-among-14-669-individuals-from-the-general-population
#20
Yunus Çolak, Børge G Nordestgaard, Lars C Laursen, Shoaib Afzal, Peter Lange, Morten Dahl
BACKGROUND: Risk factors for chronic cough in the general population have not been described systematically. We identified and ranked chronic cough risk factors at the individual and community level using data from 14669 individuals from the Copenhagen General Population Study. METHODS: Severity of chronic cough was assessed using the Leicester Cough Questionnaire(LCQ). We ranked chronic cough risk factors based on magnitude of age-adjusted odds ratios(ORs) at the individual level and of the population attributable risks(PARs) at the community level...
June 15, 2017: Chest
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