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Chemical education

Yuri P Springer, Roy Gerona, Erich Scheunemann, Sarah L Shafer, Thomas Lin, Samuel D Banister, Michael P Cooper, Louisa J Castrodale, Michael Levy, Jay C Butler, Joseph B McLaughlin
In July 2015, personnel in the Alaska Division of Public Health's Section of Epidemiology became aware of an increase in the number of patients being treated in Anchorage hospital emergency departments for adverse reactions associated with use of synthetic cannabinoids (SCs). SCs are a chemically diverse class of designer drugs that bind to the same cannabinoid receptors as tetrahydrocannabinol, the main psychoactive component of cannabis. A public health investigation was initiated to describe clinical outcomes, characterize the outbreak, and identify SC chemicals circulating in Anchorage...
October 14, 2016: MMWR. Morbidity and Mortality Weekly Report
Isaac Olufemi Olatoye, Oluwayemisi Folashade Daniel, Sunday Ayobami Ishola
BACKGROUND AND AIM: There are global public health and economic concerns on chemical residues in food of animal origin. The use of antibiotics in dairy cattle for the treatment of diseases such as mastitis has contributed to the presence of residues in dairy products. Penicillin residues as low as 1 ppb can lead to allergic reactions and shift of resistance patterns in microbial population as well as interfere with the processing of several dairy products. Antibiotic monitoring is an essential quality control measure in safe milk production...
September 2016: Veterinary World
Michelle M Haby, Agnes Soares, Evelina Chapman, Rachel Clark, Marcelo Korc, Luiz A C Galvão
Objective To identify interventions that 1) facilitate sustainable development by preventing toxic exposure to chemicals, including pesticides, and 2) have a positive impact on health. Methods This overview utilized systematic review methods to synthesize evidence from multiple systematic reviews and economic evaluations. A comprehensive search was conducted based on a predefined protocol, including clear inclusion criteria. To be classified as "sustainable" interventions needed to aim (explicitly or implicitly) to 1) have a positive impact on at least two key dimensions of the United Nations integrated framework for sustainable development and 2) include measures of health impact...
June 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
Imanuel Yüce, Gertrud E Morlock
A fast and reliable quality control is important for ink manufacturers to ensure a constant production grade of mixtures and chemical formulations, and unknown components attract their attention. Structure elucidating techniques seem time-consuming in combination with column-based methods, but especially the low solubility of pigment formulations is challenging the analysis. In contrast, layer chromatography is more tolerant with regard to pigment particles. One PLC plate for NMR and FTIR analyses and one HPTLC plate for recording of high resolution mass spectra, MS/MS spectra and for gathering information on polarity and spectral properties were needed to characterize a structure, exemplarily shown for an unknown component in pigment Red 57:1 to be 3-hydroxy-2-naphtoic acid...
October 21, 2016: Journal of Chromatography. A
Mei-Yu Hsu, Hsiao-Hui Hsu, Ji-Yan Lyu
Leakage is a common complication of gastrostomy. Exposure of the skin surrounding the gastrostomy tube to moisture or chemical irritants may cause moisture-associated skin damage (MASD) and seriously affect the patient's quality of life. This case study describes a nursing experience with gastrostomy leakage that resulted in MASD. An assessment conducted from July 29, 2015 to August 20, 2015 revealed that heavy gastronomy leakage had caused extensive skin erosion, ulceration, hyperplasia, and superficial infection...
October 2016: Hu Li za Zhi the Journal of Nursing
Mehwesh Taj, Tayyaba Shah, Syeda Kanwal Aslam, Sidra Zaheer, Faryal Nawab, Sumaira Shaheen, Kashif Shafique, Tahir Sultan Shamsi
AIM: Aplastic anemia (AA) affects the Asian population two to three fold more than people in other regions. Besides the host genetics and socioeconomic status, several other environmental exposures have been linked with an AA etiology. We aimed to examine the association of various environmental exposures with AA occurrence among Pakistani individuals. SUBJECTS AND METHODS: A case-control study was conducted in Karachi, Pakistan, where cases (diagnosed AA patients) were selected from the National Institute of Blood Disease and Bone Marrow Transplantation (NIBD), while for each case, a single control (who was free of AA and visited the outpatient department of the same hospital for the treatment of minor ailments) was selected matched by age and sex...
2016: Zeitschrift Für Gesundheitswissenschaften, Journal of Public Health
Stéphane Mouly, Célia Lloret-Linares, Pierre-Olivier Sellier, Damien Sene, J-F Bergmann
An interaction of drug with food, herbs, and dietary supplements is usually the consequence of a physical, chemical or physiologic relationship between a drug and a product consumed as food, nutritional supplement or over-the-counter medicinal plant. The current educational review aims at reminding to the prescribing physicians that the most clinically relevant drug-food interactions may not be strictly limited to those with grapefruit juice and with the Saint John's Wort herbal extract and may be responsible for changes in drug plasma concentrations, which in turn decrease efficacy or led to sometimes life-threatening toxicity...
September 28, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
Farrukh Jamal, Quazi S Haque, Sangram Singh
BACKGROUND: Diverse group of agro-chemicals are indiscriminately sprayed by the farmers for pest control to enhance crop yield. About 25 million agricultural workers in the developing world suffer from at least one episode of poisoning each year, mainly by anticholinesterase- like organophosphates (OPs). OBJECTIVE: The present study was aimed to establish the OP toxicity in 187 occupationally exposed pesticide sprayers of mango plantation in rural Malihabad, Lucknow, in terms of neuro-cognitive impairment, mental health status, clinical symptoms, diabetes, and hematological factors...
2016: Open Biochemistry Journal
Seckin Ulusoy, Mehmet Emre Dinc, Abdullah Dalgic, Murat Topak, Denizhan Dizdar, Abdulhalim İs
INTRODUCTION: The olfactory system is affected by the nutritional balance and chemical state of the body, serving as an internal sensor. All bodily functions are affected by energy loss, including olfaction; hunger can alter odour perception. OBJECTIVE: In this study, we investigated the effect of fasting on olfactory perception in humans, and also assessed perceptual changes during satiation. METHODS: The "Sniffin' Sticks" olfactory test was applied after 16h of fasting, and again at least 1h after Ramadan supper during periods of satiation...
September 12, 2016: Brazilian Journal of Otorhinolaryngology
Matthew C Nattinger, Brian Kaskie
Continued growth in the number of individuals with dementia residing in assisted living (AL) facilities raises concerns about their safety and protection. However, unlike federally regulated nursing facilities, AL facilities are state-regulated and there is a high degree of variation among policies designed to protect persons with dementia. Despite the important role these protection policies have in shaping the quality of life of persons with dementia residing in AL facilities, little is known about their formation...
September 20, 2016: Journal of Aging & Social Policy
Nahla Khamis Ibrahim
OBJECTIVE: To describe Zika Virus (ZIKV) epidemiology, current phobia, and the required preparedness for its prevention during the upcoming Mass Gathering (MG) events. METHODS: Electronic databases of PubMed, WHO, CDC, Pan American Health Organization (PAHO), Google, and Cochrane library were extensively searched for ZIKV. Articles were reviewed, scrutinized and critically appraised and the most relevant articles were utilized. RESULTS: ZIKV is an emerging Flavivirus which was first isolated from Uganda in 1947...
July 2016: Pakistan Journal of Medical Sciences Quarterly
Andrea M de Silva, Shalika Hegde, Bridget Akudo Nwagbara, Hanny Calache, Mark G Gussy, Mona Nasser, Hannah R Morrice, Elisha Riggs, Pamela M Leong, Lisa K Meyenn, Reza Yousefi-Nooraie
BACKGROUND: Dental caries and gingival and periodontal disease are commonly occurring, preventable chronic conditions. Even though much is known about how to treat oral disease, currently we do not know which community-based population-level interventions are most effective and equitable in preventing poor oral health. OBJECTIVES: Primary • To determine the effectiveness of community-based population-level oral health promotion interventions in preventing dental caries and gingival and periodontal disease among children from birth to 18 years of age...
September 15, 2016: Cochrane Database of Systematic Reviews
Louise Dalsager, Nikolas Christensen, Steffen Husby, Henriette Kyhl, Flemming Nielsen, Arne Høst, Philippe Grandjean, Tina Kold Jensen
INTRODUCTION: Perfluorinated alkylated substances (PFAS) are persistent industrial chemicals that have resulted in global environmental exposures. Previous epidemiological studies have reported possible effects on the immune system after developmental PFAS exposure, but the possible impact on childhood infectious disease is unclear. OBJECTIVES: To investigate the association between prenatal exposure to PFAS and symptoms of infections at age 1-4years. METHODS: The Odense Child Cohort is an on-going prospective study on children's health, where serum concentrations of perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA), perfluorohexane sulfonic acid (PFHxS), perfluorodecanoic acid (PFDA) and perfluorononanoic acid (PFNA) were measured in 649 pregnant women before gestational week 16...
September 5, 2016: Environment International
Frédéric Jourdain, Pascal Delaunay, Jean-Michel Bérenger, Yvon Perrin, Vincent Robert
The Common bed bug, Cimex lectularius, had virtually disappeared from France in the 1950s; however, a worldwide resurgence of bed bugs (C. lectularius and C. hemipterus) has been observed since the 1990s. To document modern pest control activities for the management of bed bugs, a survey was conducted in metropolitan France among the two main categories of professionals regularly called upon to deal with the control of infestations: Municipal Health and Safety Services (MHSSs) and private Pest Management Companies (PMCs)...
2016: Parasite: Journal de la Société Française de Parasitologie
Erica M Hartmann, Roxana Hickey, Tiffany Hsu, Clarisse M Betancourt Román, Jing Chen, Randall Schwager, Jeff Kline, G Z Brown, Rolf U Halden, Curtis Huttenhower, Jessica L Green
Antibiotic resistance is increasingly widespread, largely due to human influence. Here, we explore the relationship between antibiotic resistance genes and the antimicrobial chemicals triclosan, triclocarban, and methyl-, ethyl-, propyl-, and butylparaben in the dust microbiome. Dust samples from a mixed-use athletic and educational facility were subjected to microbial and chemical analyses using a combination of 16S rRNA amplicon sequencing, shotgun metagenome sequencing, and liquid chromatography tandem mass spectrometry...
September 20, 2016: Environmental Science & Technology
Andy S L Tan, Susan Mello, Ashley Sanders-Jackson, Cabral A Bigman
Potentially harmful chemicals are detectable in e-cigarette secondhand vapor (hereafter SHV), contrary to advertising and marketing claims that it contains "only water vapor." We assessed public knowledge about the presence of chemicals in SHV and associations between knowledge and perceived harms of exposure to SHV. We conducted an online survey of a nationally representative sample of 1,449 U.S. adults (GfK's KnowledgePanel) from October to December 2013. Respondents were asked whether e-cigarette vapor contains only water vapor, contains tar, or contains formaldehyde (true/ false/ do not know)...
September 5, 2016: Risk Analysis: An Official Publication of the Society for Risk Analysis
Bertha K Madras
The term "new psychoactive substances" (NPS) can be defined as individual drugs in pure form or in complex preparations that are not scheduled under the Single Convention on Narcotic Drugs (1961) or the Convention on Psychotropic Substances (1971). NPS may be categorized by chemical structure, by psychoactive properties, by biological targets, or by source (plant, synthetic, or combined). The emergence of hundreds of NPS in the past decade is challenging for public health and drug policies globally. The novelty of NPS, their ambiguous legal status, ability to evade toxicological tests, swift adaptation to legal restrictions, global Internet marketing, and scant public knowledge of their adverse effects are among the key drivers of this twenty-first century phenomenon...
August 30, 2016: Current Topics in Behavioral Neurosciences
Linda C Giudice
A growing body of evidence suggests that environmental contaminants, including natural gas, endocrine-disrupting chemicals, and air pollution, are posing major threats to human reproductive health. Many chemicals are in commonly used personal care products, linings of food containers, pesticides, and toys, as well as in discarded electronic waste, textile treatments, and indoor and outdoor air and soil. They travel across borders through trade, food, wind, and water. Reproductive and other health effects can be incurred by exposures in utero, in the neonatal or adolescent periods, or in adulthood and can have transgenerational effects...
September 15, 2016: Fertility and Sterility
Cristina Fortes, Simona Mastroeni, Giordano Bottà, Paolo Boffetta, Gianluca Antonelli, Federica Venanzetti
Glutathione S-transferase (GST) activity is believed to play a critical role in cellular protection against toxic chemicals. We evaluated the role of GSTM1 polymorphisms in modifying the association between indoor pesticide exposure and cutaneous melanoma. Peripheral blood samples were collected from 325 individuals (177 patients with cutaneous melanoma and 148 controls). Genotyping was performed using the PCR method. Participants were interviewed to collect data on pesticides used indoors, sociodemographic characteristics, medical history, sun exposure and pigmented characteristics...
August 18, 2016: Melanoma Research
Dorie E Apollonio, Nicole Wolfe, Lisa A Bero
BACKGROUND: Exposure to pollution is a significant risk to human health. However few studies have attempted to identify the types of policy interventions that can reduce the health risks of pollution exposure in the United States. The study objective was to conduct a realist review of policy interventions conducted or aimed at reducing chemical exposures in humans or the environment where exposure was measured. METHODS: A systematic literature search identified published articles that assessed policy interventions using exposure data...
2016: BMC Public Health
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