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https://www.readbyqxmd.com/read/29775568/neonicotinoids-decrease-sucrose-responsiveness-of-honey-bees-at-first-contact
#1
Fabien J Démares, Christian W W Pirk, Susan W Nicolson, Hannelie Human
For two decades, neonicotinoid insecticides have been extensively used worldwide. Targeting neuronal receptors, they have deleterious effects on the behaviour and physiology of many of many beneficial as well as harmful insects. Bees are exposed to these insecticides in pollen and nectar while providing pollination services to agricultural crops, and neonicotinoids have been shown to impair navigation by bees and to decrease their foraging activity. We have previously reported the effect of dietary thiamethoxam on sucrose responsiveness of young worker bees...
May 15, 2018: Journal of Insect Physiology
https://www.readbyqxmd.com/read/29760172/development-of-a-bar-code-based-exposure-assessment-method-to-evaluate-occupational-exposure-to-disinfectants-and-cleaning-products-a-pilot-study
#2
Catherine Quinot, Sylvie Amsellem-Dubourget, Sofia Temam, Etienne Sevin, Christine Barreto, Arzu Tackin, Jérémy Félicité, Sarah Lyon-Caen, Valérie Siroux, Raphaële Girard, Alexis Descatha, Nicole Le Moual, Orianne Dumas
OBJECTIVE: Healthcare workers are highly exposed to various types of disinfectants and cleaning products. Assessment of exposure to these products remains a challenge. We aimed to investigate the feasibility of a method, based on a smartphone application and bar codes, to improve occupational exposure assessment among hospital/cleaning workers in epidemiological studies. METHODS: A database of disinfectants and cleaning products used in French hospitals, including their names, bar codes and composition, was developed using several sources: ProdHyBase (a database of disinfectants managed by hospital hygiene experts), and specific regulatory agencies and industrial websites...
May 14, 2018: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29751752/a-community-based-qualitative-study-on-the-experience-and-understandings-of-intimate-partner-violence-and-hiv-vulnerability-from-the-perspectives-of-female-sex-workers-and-male-intimate-partners-in-north-karnataka-state-india
#3
Andrea K Blanchard, Sapna G Nair, Sharon G Bruce, Satyanarayana Ramanaik, Raghavendra Thalinja, Srikanta Murthy, Prakash Javalkar, Priya Pillai, Martine Collumbien, Lori Heise, Shajy Isac, Parinita Bhattacharjee
BACKGROUND: Research has increasingly documented the important role that violence by clients and the police play in exacerbating HIV vulnerability for women in sex work. However few studies have examined violence in the intimate relationships of women in sex work, or drawn on community partnerships to explore the social dynamics involved. A community-based participatory research study was undertaken by community and academic partners leading intimate partner violence (IPV) and HIV prevention programs in Bagalkot district, Karnataka state, India...
May 11, 2018: BMC Women's Health
https://www.readbyqxmd.com/read/29748510/toxicity-of-selected-acaricides-to-honey-bees-apis-mellifera-and-varroa-varroa-destructor-anderson-and-trueman-and-their-use-in-controlling-varroa-within-honey-bee-colonies
#4
Aleš Gregorc, Mohamed Alburaki, Blair Sampson, Patricia R Knight, John Adamczyk
The efficacies of various acaricides in order to control a parasitic mite, the Varroa mite, Varroa destructor , of honey bees, were measured in two different settings, namely, in laboratory caged honey bees and in queen-right honey bee colonies. The Varroa infestation levels before, during, and after the acaricide treatments were determined in two ways, namely: (1) using the sugar shake protocol to count mites on bees and (2) directly counting the dead mites on the hive bottom inserts. The acaricides that were evaluated were coumaphos, tau-fluvalinate, amitraz, thymol, and natural plant compounds (hop acids), which were the active ingredients...
May 10, 2018: Insects
https://www.readbyqxmd.com/read/29723135/exploring-the-self-compassion-of-health-care-social-workers-how-do-they-fare
#5
Joann Lianekhammy, J Jay Miller, Jacquelyn Lee, Natalie Pope, Sheila Barnhart, Erlene Grise-Owens
Indubitably, the challenges facing health-care social workers are becoming increasingly complex. Whilst these problematic professional circumstances compound the need for self-compassion among health-care social workers, few studies, if any, have explicitly examined self-compassion among this practitioner group. This cross-sectional study explored self-compassion among a sample of practitioners (N = 138) in one southeastern state. Results indicate that health-care social workers in this sample engage in self-compassion only moderately...
May 3, 2018: Social Work in Health Care
https://www.readbyqxmd.com/read/29696491/dusukasi-the-heart-that-cries-an-idiom-of-mental-distress-among-perinatal-women-in-rural-mali
#6
Molly E Lasater, Madeleine Beebe, Nicole E Warren, Fatoumata Souko, Mariam Keita, Sarah E Murray, Judith K Bass, Pamela J Surkan, Peter J Winch
Perinatal mental health problems such as depression and anxiety are prevalent in low and middle-income countries. In Mali, the lack of mental health care is compounded by few studies on mental health needs, including in the perinatal period. This paper examines the ways in which perinatal women experience and express mental distress in rural Mali. We describe a process, relying on several different qualitative research methods, to identify understandings of mental distress specific to the Malian context. Participants included perinatal women, maternal health providers, and community health workers in rural southwest Mali...
April 25, 2018: Culture, Medicine and Psychiatry
https://www.readbyqxmd.com/read/29675218/the-self-disproportionation-of-enantiomers-sde-a-menace-or-an-opportunity
#7
REVIEW
Jianlin Han, Osamu Kitagawa, Alicja Wzorek, Karel D Klika, Vadim A Soloshonok
Herein we report on the well-documented, yet not widely known, phenomenon of the self-disproportionation of enantiomers (SDE): the spontaneous fractionation of scalemic material into enantioenriched and -depleted fractions when any physicochemical process is applied. The SDE has implications ranging from the origins of prebiotic homochirality to unconventional enantiopurification methods, though the risks of altering the enantiomeric excess (ee) unintentionally, regrettably, remain greatly unappreciated. While recrystallization is well known as an SDE process, occurrences of the SDE in other processes are much less recognized, e...
February 21, 2018: Chemical Science
https://www.readbyqxmd.com/read/29660432/evaluation-of-hematological-and-biochemical-parameters-of-pesticide-retailers-following-occupational-exposure-to-a-mixture-of-pesticides
#8
Masoud Neghab, Hamed Jalilian, Shekoufeh Taheri, Mohsen Tatar, Zeynab Haji Zadeh
AIMS: Recently concern has been raised regarding possible health effects of exposure of pesticide retailers to chemicals they handle. Additionally, it is not known whether exposure to these compounds by retailers may be associated with any liver and kidney dysfunction or hematological abnormalities. This study was undertaken to address these issue. MAIN METHODS: In this cross-sectional study, 70 male pesticide retailers (cases) and 64 male subjects, randomly selected from the constructions workers of city council contractors, as the referent group, were investigated...
April 13, 2018: Life Sciences
https://www.readbyqxmd.com/read/29651680/simultaneous-identification-and-determination-of-flavonoids-in-dendrobium-officinale
#9
Chunhua Zhou, Zhenshan Xie, Zhouxi Lei, Yuechun Huang, Gang Wei
BACKGROUND: The quality of material medicine resources has had a considerable impact on the development of the health industry, which has created a bottleneck for traditional Chinese medicine (TCM). Dendrobium officinale, which has been widely used for health prevention in TCM, has become a high-nutritive health food that is strongly recommended by many white-collar workers and people who pay more attention to their health. The aim of this study was to develop a method to authenticate and evaluate D...
April 12, 2018: Chemistry Central Journal
https://www.readbyqxmd.com/read/29650727/a-pharmacy-led-united-states-pharmacopeia-usp-chapter-800-compliance-collaborative-at-an-academic-medical-center
#10
Bijan C Mekoba, Erin M Turingan, Patricia A Roberts, Susan Mason, Ian Willoughby, Cindy Taylor, Andrew Stivers, John Valgus
PURPOSE: One academic medical center's efforts to move toward compliance with requirements of United States Pharmacopeia ( USP ) chapter 800 through a multidepartmental collaborative initiative are described. SUMMARY: Requirements of USP general chapter 800 (enforceable as of December 2019) address the handling of hazardous drugs (HDs) throughout the entire operational and clinical cycle, from receiving to compounding, administration, and waste disposal. Due to the variety of pharmacy operational areas in which HDs are encountered at University of North Carolina Medical Center (UNCMC), multiple pharmacy managers oversee the safe handling of HDs...
April 12, 2018: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/29649189/acute-metam-sodium-poisoning-caused-by-occupational-exposure-at-a-flower-farm-uganda-october-2016
#11
Susan Nakubulwa, Joy Kusiima, Daniel Kadobera, Joan N Mutyoba, Alex R Ario, Bao-Ping Zhu
On October 25, 2016, media reports alerted the Uganda Ministry of Health to an outbreak of >80 cases of vomiting, syncope, and acute diarrhea among workers at a flower farm in central Uganda; 27 workers were hospitalized. On November 1, an investigation was undertaken by the Uganda Public Health Fellowship Program.* A case-control study found that working inside greenhouse 7, which had been fumigated with the organosulfur compound metam sodium the night of October 13, was strongly associated with illness...
April 13, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29643429/asymmetric-ommatidia-count-and-behavioural-lateralization-in-the-ant-temnothorax-albipennis
#12
Edmund R Hunt, Ciara Dornan, Ana B Sendova-Franks, Nigel R Franks
Workers of the house-hunting ant Temnothorax albipennis rely on visual edge following and landmark recognition to navigate their rocky environment, and they also exhibit a leftward turning bias when exploring unknown nest sites. We used electron microscopy to count the number of ommatidia composing the compound eyes of workers, males and queens, to make an approximate assessment of their relative sampling resolution; and to establish whether there is an asymmetry in the number of ommatidia composing the workers' eyes, which might provide an observable, mechanistic explanation for the turning bias...
April 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29642436/radon-levels-in-indoor-environments-of-the-university-hospital-in-bari-apulia-region-southern-italy
#13
Luigi Vimercati, Fulvio Fucilli, Domenica Cavone, Luigi De Maria, Francesco Birtolo, Giovanni Maria Ferri, Leonardo Soleo, Piero Lovreglio
Since 1988, the International Agency for Research on Cancer (IARC) has classified radon among the compounds for which there is scientific evidence of carcinogenicity for humans (group 1). The World Health Organization (WHO) recommends a reference radon level between 100 and 300 Bq/m³ for homes. The objective of this study is to measure the radon concentrations in 401 workplaces, different from the patient rooms, in 28 different buildings of the university hospital in Bari (Apulia region, Southern Italy) to evaluate the exposure of health care workers...
April 7, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29623096/drinking-water-supply-sanitation-and-hygiene-promotion-interventions-in-two-slum-communities-in-central-uganda
#14
David Musoke, Rawlance Ndejjo, Abdullah Ali Halage, Simon Kasasa, John C Ssempebwa, David O Carpenter
Poor water, sanitation, and hygiene (WASH) continue to contribute to the high prevalence of diarrhoeal diseases in low-income countries such as Uganda particularly in slums. We implemented a 3-year WASH project in two urban slums in Uganda with a focus on safe drinking water and improvement in sanitation. The project implemented community and school interventions in addition to capacity building initiatives. Community interventions included home improvement campaigns, clean-up exercises, water quality assessment, promotion of drinking safe water through household point-of-use chlorination, promotion of hand washing, and support towards solid waste management...
2018: Journal of Environmental and Public Health
https://www.readbyqxmd.com/read/29619075/in-vitro-toxicological-evaluation-of-surgical-smoke-from-human-tissue
#15
Jennifer D Sisler, Justine Shaffer, Jhy-Charm Soo, Ryan F LeBouf, Martin Harper, Yong Qian, Taekhee Lee
Background: Operating room personnel have the potential to be exposed to surgical smoke, the by-product of using electrocautery or laser surgical device, on a daily basis. Surgical smoke is made up of both biological by-products and chemical pollutants that have been shown to cause eye, skin and pulmonary irritation. Methods: In this study, surgical smoke was collected in real time in cell culture media by using an electrocautery surgical device to cut and coagulate human breast tissues...
2018: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/29618911/risk-assessment-of-workers-exposure-to-volatile-organic-compounds-in-the-air-of-a-petrochemical-complex-in-iran
#16
Farshid Ghorbani Shanh, Samira Rahimnejad, Abdulrahman Bahrami, Maryam Farhadian
Context: Long-term exposure to volatile organic compounds (VOCs) affects the occupancies health in petrochemical complex. Objectives: The aim of this study is to apply the lifetime cancer risk (LCR) and hazard quotient (HQ) in occupational exposure to estimate the risk of VOCs in petrochemical complexes. Settings and Design: A cross-sectional study was conducted in the petrochemical complex of Iran for a period of 1 year. Materials and Methods: Sorbent tubes were used to obtain air samples from 169 workers at different petrochemical complexes in southern Iran...
September 2017: Indian Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29618776/chronic-toxicity-of-amitraz-coumaphos-and-fluvalinate-to-apis-mellifera-l-larvae-reared-in-vitro
#17
Pingli Dai, Cameron J Jack, Ashley N Mortensen, Tomas A Bustamante, James D Ellis
The effects of chronic exposure to common acaricides on Apis mellifera survival, developmental rate and larval weight were tested in the laboratory. Larvae were reared in vitro and fed a diet containing amitraz: 1.5, 11, 25 and 46 mg/L; coumaphos: 1.8, 6, 8 and 25 mg/L; or fluvalinate: 0.1, 1, 2.4 and 6 mg/L. The dependent variables were compared for groups feeding on treated diets and control diets: positive control, 45 mg/L dimethoate; solvent control; and negative control. Bee survival decreased in the 46 mg/L amitraz and 25 mg/L coumaphos treatments but not in any fluvalinate treatment...
April 4, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29616376/chemical-fertility-signaling-in-termites-idiosyncrasies-and-commonalities-in-comparison-with-ants
#18
REVIEW
Judith Korb
Termites evolved eusociality independently from social Hymenoptera. As a common trait, reproductive monopoly is maintained through chemical communication. The queen (and in termites also a king) prevents workers from reproduction by conveying their reproductive status. In termites all soldiers are sterile, but workers' potential to reproduce differs between species. It ranges from totipotency in wood-dwelling lower termites where workers are a transient stage from which all other castes develop, to sterile workers in some higher termites...
April 4, 2018: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/29616225/toxicological-effects-of-berberine-and-sanguinarine
#19
REVIEW
Nitika Singh, Bechan Sharma
Berberine and Sanguinarine alkaloids belong to a group of naturally occurring chemical compounds that mostly contain basic nitrogen atoms. This group also includes some related compounds with neutral or weakly acidic properties. Alkaloids are produced by a large number of organisms including bacteria, fungi, plants, and animals. Berberine and Sanguinarine both are isoquinoline derivatives and belong to protoberberine and benzophenanthridines, respectively. Tyrosine or phenylalanine is common precursor for the biosynthesis of both...
2018: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/29591889/impact-of-chromium-and-boron-compounds-on-the-reproductive-function-in-rats
#20
Iztleuov Marat, Mamyrbayev Arstan, Yeleuov Galymzhan, Jarkenov Timur, Iztleuov Yerbolat, Yeleuov Almasbek
The purpose of this research is to study the process of mutagenesis and the reproductive function in male rats under separate and combined exposure to chromium and boron compounds. The experiment was conducted on two groups of animals. The first group was used to assess the ability of potassium dichromate and boric acid to induce mutation in germ and somatic cells under isolated and combined administration with the use of the dominant lethal mutations test and the micronuclei test in the polychromatophilic erythrocytes of the bone marrow...
January 1, 2018: Toxicology and Industrial Health
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