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https://www.readbyqxmd.com/read/29674142/usefulness-of-indicator-bacteria-as-potential-marker-of-campylobacter-contamination-in-broiler-carcasses
#1
Anna Roccato, Marzia Mancin, Lisa Barco, Veronica Cibin, Keti Antonello, Francesco Cocola, Antonia Ricci
According to Regulation (EC) No 2017/1495, amending Regulation (EC) No 2073/2005, a slaughterhouse process hygiene criterion based on a limit of 103  CFU/g of Campylobacter for no more than 20 (for the years 2018 and 2019), 15 (for the years 2020-2024) and 10 (starting from 2025) of 50 neck skin samples of broiler carcasses could be an effective measure to reduce the incidence of human campylobacteriosis. In order to stimulate the poultry industry to improve the control of Campylobacter along the slaughter-line, the quantification of indicator bacteria such as Escherichia coli or Enterobacteriaceae could be a useful strategy...
April 4, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29625987/efficacy-of-silver-dihydrogen-citrate-and-steam-vapor-against-a-human-norovirus-surrogate-feline-calicivirus-in-suspension-on-glass-and-carpet
#2
David Buckley, Muthu Dharmasena, Angela Fraser, Charles Pettigrew, Jeffery Anderson, Xiuping Jiang
Carpets and other soft surfaces have been associated with prolonged and reoccurring human norovirus (HuNoV) outbreaks. Environmental hygiene programs are important to prevent and control HuNoV outbreaks. Despite our knowledge of HuNoV transmission via soft surfaces, no commercially available disinfectants have been evaluated on carpets. Our aim was to adapt a current standardized method for virucidal testing by assessing two disinfection technologies, silver dihydrogen citrate (SDC) and steam vapor, against one HuNoV surrogate, feline calicivirus (FCV), on wool and nylon carpets...
April 6, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29611732/development-of-a-novel-hygiene-monitoring-system-based-on-the-detection-of-total-adenylate-atp-adp-amp
#3
Mikio Bakke, Shigeya Suzuki
ATP is the universal energy molecule found in animals, plants, and microorganisms. ATP rapid hygiene monitoring tests have been employed in the food industry to ensure that adequate cleanliness is being maintained. However, because ATP is hydrolyzed to ADP and AMP by metabolic processes, by heat treatment, or under acidic or alkaline conditions, total adenylate (ATP+ADP+AMP [A3]) could be a more reliable sanitation indicator of food residues that may cause biofilm formation and allergen contamination. Therefore, a novel hygiene monitoring system to measure A3 was developed based on the luciferin-luciferase assay with the combination of two enzymes, pyruvate kinase and pyruvate phosphate dikinase, that can convert ADP into ATP and recycle AMP into ATP, respectively...
April 3, 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29600770/antimicrobial-resistance-a-one-health-perspective
#4
Scott A McEwen, Peter J Collignon
One Health is the collaborative effort of multiple health science professions to attain optimal health for people, domestic animals, wildlife, plants, and our environment. The drivers of antimicrobial resistance include antimicrobial use and abuse in human, animal, and environmental sectors and the spread of resistant bacteria and resistance determinants within and between these sectors and around the globe. Most of the classes of antimicrobials used to treat bacterial infections in humans are also used in animals...
March 2018: Microbiology Spectrum
https://www.readbyqxmd.com/read/29594340/work-ability-score-of-solvent-exposed-workers
#5
Heidi Furu, Markku Sainio, Hanna-Kaisa Hyvärinen, Ari Kaukiainen
PURPOSE: Occupational chronic solvent encephalopathy (CSE), characterized by neurocognitive dysfunction, often leads to early retirement. However, only the more severe cases are diagnosed with CSE, and little is known about the work ability of solvent-exposed workers in general. The aim was to study memory and concentration symptoms, work ability and the effect of both solvent-related and non-occupational factors on work ability, in an actively working solvent-exposed population. METHODS: A questionnaire on exposure and health was sent to 3640 workers in four solvent-exposed fields, i...
March 28, 2018: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/29580488/biocontrol-of-listeria-monocytogenes-in-a-meat-model-using-a-combination-of-a-bacteriocinogenic-strain-with-curing-additives
#6
Alejandra Orihuel, Julieta Bonacina, María José Vildoza, Elena Bru, Graciela Vignolo, Lucila Saavedra, Silvina Fadda
The aim of this work was to evaluate the effect of meat curing agents on the bioprotective activity of the bacteriocinogenic strain, Enterococcus (E.) mundtii CRL35 against Listeria (L.) monocytogenes during meat fermentation. The ability of E. mundtii CRL35 to grow, acidify and produce bacteriocin in situ was assayed in a meat model system in the presence of curing additives (CA). E. mundtii CRL35 showed optimal growth and acidification rates in the presence of CA. More importantly, the highest bacteriocin titer was achieved in the presence of these food agents...
May 2018: Food Research International
https://www.readbyqxmd.com/read/29580189/occupational-exposure-monitoring-data-collection-storage-and-use-among-state-based-and-private-workers-compensation-insurers
#7
Taylor M Shockey, Kelsey R Babik, Steven J Wurzelbacher, Libby L Moore, Michael S Bisesi
Despite substantial financial and personnel resources being devoted to occupational exposure monitoring (OEM) by employers, workers' compensation insurers, and other organizations, the United States (US) lacks comprehensive occupational exposure databases to use for research and surveillance activities. OEM data are necessary for determining the levels of workers' exposures; compliance with regulations; developing control measures; establishing worker exposure profiles; and improving preventive and responsive exposure surveillance and policy efforts...
March 26, 2018: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/29579901/quantification-of-campylobacter-jejuni-contamination-on-chicken-carcasses-in-france
#8
Benjamin Duqué, Samuel Daviaud, Sandrine Guillou, Nabila Haddad, Jeanne-Marie Membré
Highly prevalent in poultry, Campylobacter is a foodborne pathogen which remains the primary cause of enteritis in humans. Several studies have determined prevalence and contamination level of this pathogen throughout the food chain. However it is generally performed in a deterministic way without considering heterogeneity of contamination level. The purpose of this study was to quantify, using probabilistic tools, the contamination level of Campylobacter spp. on chicken carcasses after air-chilling step in several slaughterhouses in France...
April 2018: Food Research International
https://www.readbyqxmd.com/read/29577249/a-survey-of-northern-victorian-dairy-farmers-to-investigate-dairy-calf-management-colostrum-feeding-and-management
#9
A J Phipps, D S Beggs, A J Murray, P D Mansell, M F Pyman
OBJECTIVES: To describe colostrum management practices carried out in northern Victorian dairy herds and to identify weaknesses in these areas that may affect calf health and welfare by comparing the results with the current industry recommendations METHODS: A questionnaire to obtain information about colostrum management and calf-rearing practices was sent to commercial dairy farming clients of Rochester Veterinary Practice between June and September 2013. The questionnaire consisted of a general herd overview and colostrum harvesting practices...
April 2018: Australian Veterinary Journal
https://www.readbyqxmd.com/read/29577031/hepatitis-e-still-waters-run-deep
#10
REVIEW
Moritz von Wulffen, Dirk Westhölter, Marc Lütgehetmann, Sven Pischke
Hepatitis E is an infectious inflammatory disease of the liver caused by the hepatitis E virus (HEV), a single-stranded RNA virus. Today, it is estimated that there are more than 20 million HEV infections every year, leading to 3.3 million symptomatic cases and more than 56,000 deaths. For a long time it was believed that HEV was a travel-associated disease, endemic in developing countries with poor hygienic standards and unsafe water supply. However, over the past years, publications have demonstrated that autochthonous HEV infections in industrialized countries are far more common than previously thought...
March 28, 2018: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/29553068/the-sensitivity-of-commercial-kits-in-detecting-the-genes-of-pathogenic-bacteria-in-venison
#11
Akiko Yamazaki, Mioko Honda, Naoki Kobayashi, Naoto Ishizaki, Hiroshi Asakura, Yoshiko Sugita-Konishi
The expansion of the wild deer population is a major problem for the Japanese farm and forestry industries because their damage to farm products and vegetation results in huge economic loss. To promote game meat consumption, hygiene inspections should be performed to detect main bacterial pathogens before products are shipped. In this study, we aimed to evaluate the ability of commercial test kits to genetically detect EHEC, Salmonella and Listeria monocytogenes in venison. Our results demonstrated that the kits for three pathogens could be useful for venison as well as other domestic meat products...
March 19, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29548308/prevalence-of-periodontal-disease-among-mine-workers-of-zonguldak-kozlu-district-turkey-a-cross-sectional-study
#12
Murat İnanç Cengiz, Büşra Zengin, Murat İçen, Firüzan Köktürk
BACKGROUND: Occupational injuries cause major health problems in all nations. Coal mining is one of the largest, oldest industries in the world. However, there is relatively little available literature concerning the health status of coal miners. The purpose of this work is to assess the prevalence of periodontal disease among coal miners and provide a basis for planning and evaluating the data from community oral health services. METHODS: A cross-sectional study was conducted 106 men selected based on a stratified cluster sampling procedure...
March 16, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29510391/cloning-and-characterization-of-a-novel-n-acetylglucosaminidase-atld-from-enterococcus-faecalis
#13
Carlos Eduardo Serrano-Maldonado, Israel García-Cano, Augusto González-Canto, Eliel Ruiz-May, Jose Miguel Elizalde-Contreras, Maricarmen Quirasco
The atlD gene from an Enterococcus faecalis strain isolated from a Mexican artisanal cheese was cloned, sequenced and expressed in Escherichia coli in order to perform a biochemical characterization. A partial amino acid sequence of the heterologous protein was obtained by LC-MS/MS, and it corresponded to a novel peptidoglycan hydrolase designated AtlD. Its molecular mass was 62-75 kDa, as determined by SDS-PAGE, zymography, Western blot, and exclusion chromatography. Electrofocusing rendered an isoelectric point (pI) of 4...
March 6, 2018: Journal of Molecular Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29494296/grouping-schemes-of-welding-fume-exposure-in-shipyard-welders
#14
Dong-Hee Koh, Sun-Woo Lee, Byeong-Jin Ye, Jung-Il Kim
Welding fume exposure can increase the risk of chronic obstructive pulmonary disease (COPD). The aim of this study was to evaluate the optimal grouping schemes of welding fume exposure in shipyard welders for future accurate examination of the association between welding fume exposure and COPD. Industrial hygiene records, including welding fume measurements between 2002 and 2009 were collected from a shipyard. A total of 2,360 personal welding fume measurements was compiled with a geometric mean of 1.66 mg/m3 and a geometric standard deviation of 4...
March 1, 2018: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/29472901/new-aspects-on-listeria-monocytogenes-st5-ecvi-predominance-in-a-heavily-contaminated-cheese-processing-environment
#15
Meryem Muhterem-Uyar, Luminita Ciolacu, Karl-Heinz Wagner, Martin Wagner, Stephan Schmitz-Esser, Beatrix Stessl
The eradication of Listeria monocytogenes from food chains is still a great challenge for the food industry and control authorities since some clonal complexes (CCs) are either better adapted to food processing environments (FPEs) or are globally widespread. In this work, we focus on the in-house evolution of L. monocytogenes genotypes collected from a heavily contaminated FPE whose contamination pattern underwent a massive and yet unexplained change. At the beginning of the sampling in 2010, a high variety of most likely transient L...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29458300/ascaris-lumbricoides-challenges-in-diagnosis-treatment-and-prevention-strategies-in-a-european-refugee-camp
#16
Paul-Emile Claus, Anne-Sophie Ceuppens, Mike Cool, Gudrun Alliet
OBJECTIVES:  The roundworm Ascaris lumbricoides is one of the most prevalent parasites belonging to the class of the soil-transmitted helminths. Infections are most common in developing countries with a tropical climate where sanitation and hygiene are poor. However, prevalence of ascariasis in industrialized countries is increasing because of immigration and increasing number of refugees. METHODS:  We report a case of ascariasis in a female patient who was admitted to our hospital after she had left the informal refugee camp of Calais in the north of France...
February 19, 2018: Acta Clinica Belgica
https://www.readbyqxmd.com/read/29415949/determination-of-chemical-specific-iggs-in-serum-by-an-enzyme-linked-immunosorbent-assay-with-partial-peptides-of-human-serum-albumin
#17
Yasuhiro Ishihara, Nami Ikeda-Ishihara, Chihaya Koriyama, Noriaki Kakiuchi, Masayuki Tanaka, Christoph F A Vogel, Toshihiro Kawamoto, Mayumi Tsuji
Many different types of chemicals are used in industry, and occupational allergies are becoming a serious problem in the field of industrial hygiene. In this study, we employed a novel enzyme-linked immunosorbent assay (ELISA) with partial peptides of human serum albumin (HSA) to quantify chemical-specific immunoglobulin G (IgG) in serum for evaluating exposure to chemicals. When HSA partial peptides containing lysine residues were mixed with formaldehyde (FA) or phthalic anhydride (PA), almost all lysine residues were lost...
2018: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29411781/assessment-of-occupational-exposure-to-gaseous-peracetic-acid
#18
Stefano Dugheri, Alessandro Bonari, Ilenia Pompilio, Marco Colpo, Manfredi Montalti, Nicola Mucci, Giulio Arcangeli
OBJECTIVES: In order to assess short-term exposure to peracetic acid (PAA) in disinfection processes, the Authors compared 4 industrial hygiene monitoring methods to evaluate their proficiency in measuring airborne PAA concentrations. MATERIAL AND METHODS: An active sampling by basic silica gel impregnated with methyl p-tolyl sulfoxide (MTSO), a passive solid phase micro-extraction technique using methyl p-tolyl sulfide (MTS) as on-fiber derivatization reagent, an electrochemical direct-reading PAA monitor, and a novel visual test strip PAA detector doped with 2,2'-azino-bis (3-ethylbenzothiazoline)-6-sulfonate were evaluated and tested over the range of 0...
February 7, 2018: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/29402395/intestinal-worms-eating-neuropsychiatric-disorders-apparently-so
#19
Henry H Kou, William Parker
A number of factors in Western society, including inflammatory diets, sedentary lifestyles, vitamin D deficiency and chronic psychological stress, are known to induce inflammation and to be associated with neuropsychiatric disorders. One factor that is emerging as a potential inflammation inducing factor is biota depletion, or loss of biodiversity from the ecosystem of the human body as a result of industrialization. Originally known as the "hygiene hypothesis", biota alteration theory describes the effects of biota alteration on the human immune system...
February 2, 2018: Brain Research
https://www.readbyqxmd.com/read/29386442/-hygiene-in-sleep-problems-of-sleeping-habits-in-shift-workers
#20
Masumi Takada
Since World War II, Japan has achieved remarkable economic development and has become an advanced country. Particularly in the industrial field, a production system has been developed to reduce the loss of machining time by adopting a shiftwork in factories operating 24 hours a day, which contributes to the improvement of productivity. Nowadays, this shiftwork practice has spread from the industrial field to other businesses such as 24-hour entertainment facilities and convenience stores, which lead to sleep deprivation in Japanese society...
2018: Nihon Eiseigaku Zasshi. Japanese Journal of Hygiene
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