نتایج جستجو برای: term mixed contamination

تعداد نتایج: 839515  

Journal: :Journal of visualized experiments : JoVE 2016
Linda M Brennan Mark W Widder Michael K McAleer Michael W Mayo Alex P Greis William H van der Schalie

This manuscript describes how to prepare fluidic biochips with Rainbow trout gill epithelial (RTgill-W1) cells for use in a field portable water toxicity sensor. A monolayer of RTgill-W1 cells forms on the sensing electrodes enclosed within the biochips. The biochips are then used for testing in a field portable electric cell-substrate impedance sensing (ECIS) device designed for rapid toxicity...

2011
A Schneider C Tschopp Y Longtin G Renzi A Gayet-Ageron J Schrenzel D Pittet

Methods Following a standardized physical exam using sterile gloves and a sterile stethoscope, bacterial contamination of the following regions were assessed using contact plates: stethoscope diaphragm, stethoscope tube, fingertips, thenar region, hypothenar region and back of physician’s dominant hand. Total aerobic colony count (ACC) were determined on digital photographs using a counting tool.

2016
Muhamed Smajlović

INTRODUCTION Food-borne infections and intoxications remain one of the most important public health issues globally, both in developing and in developed countries. Numbers of reported outbreaks of food-borne diseases and diseased people are constantly growing. For instance, a total of 320,000 of cases of food-borne diseases, caused by only 6 most prevalent bacterial pathogens (non-typhoidal Sal...

Journal: :journal of paramedical sciences 0
asghar ashrafi hafez proteomics research center, shahid beheshti university of medical sciences, tehran eghbaleh asadolahi food and drug administration, ilam university of medical sciences, ilam mohamadreza havasian laboratory science dept, para medics, ilam university of medical sciences, ilam jafar panahi laboratory science dept, para medics, ilam university of medical sciences, ilam abdollah davoudian immunology dept., faculty of medicine, ilam university of medical sciences, ilam mona lotfikar immunology dept., faculty of medicine, ilam university of medical sciences, ilam

the risk of disease spread through water, fruits and vegetables contaminated through unclean waters varies from region to another. springs and underground water resources are essentially free of germs or they have tolerable levels of germs; unless they are infected by surface water or human excreta. scientific reports have shown that outbreaks of food-borne illnesses especially foods such as fr...

Journal: :jundishapur journal of microbiology 0
elham sadat roointan parasitology department, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran abdollah rafiei parasitology department, faculty of medicine, and infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; parasitology department, faculty of medicine, and infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran.tel:+ 98-6112230540, fax:+ 98-6112231325 ali reza samarbaf-zadeh virology department, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran ali akbar shayesteh department of internal medicine, imam khomeini hospital, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran ahmad shamsizadeh pediatreic department and infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran mahdi pourmahdi borujeni department of food hygiene, faculty of veterinary medicine, shahid chamran university of ahvaz, ahvaz, ir iran

background giardia lamblia is an enteric protozoan parasite, which infects human and a wide range of vertebrate hosts. objectives the aim of this study was to investigate genotypes of g. lamblia from children fecal samples in ahvaz, south west of iran by pcr-rflp method. materials and methods fecal samples were collected from 58 children who were positive for g. lamblia. dna extractions were pe...

Journal: :Annals of clinical and laboratory science 2014
Sang Mee Hwang Kil Chae Hwang Yun Ji Hong Hye Ryun Lee Taek Soo Kim Kyoung Un Park Junghan Song Jae Ho Lee Eui Chong Kim

Liquid media such as the mycobacteria growth indicator tube (MGIT) are widely used for antitubercular drug susceptibility testing (DST) but may cause discordant or invalid results due to ordinary bacterial contamination or mixed mycobacterial colonies. To overcome the drawbacks of DST with MGIT (DSTMGIT), an experiment with a modified method that incorporated a subculture step on the Löwenstein...

2013
Jean Gaudart Elaine Cloutman-Green Serge Guillas Nikki D’Arcy John C. Hartley Vanya Gant Nigel Klein

Prevalence of healthcare associated infections remains high in patients in intensive care units (ICU), estimated at 23.4% in 2011. It is important to reduce the overall risk while minimizing the cost and disruption to service provision by targeted infection control interventions. The aim of this study was to develop a monitoring tool to analyze the spatial variability of bacteriological contami...

Journal: :Environmental pollution 2007
Z Shi S Tao B Pan W X Liu W R Shen

Water, suspended particulate matter (SPM), and sediment samples were collected from ten rivers in Tianjin and analyzed for 16 polycyclic aromatic hydrocarbons (PAHs), dissolved organic carbon (DOC), particulate organic carbon (POC) in SPM and total organic carbon (TOC) in sediment. The behavior and fate of PAHs influenced by these parameters were examined. Generally, organic carbon was the prim...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

one very decisive factor in students’ academic destiny is the result they get at final term examinations. because of its importance, both students and teachers are curiously anxious about them. as normally it is the case, these final term tests are prepared hurriedly in short time by teachers which result in students’ dissatisfaction, complaining on how the test was different from their expecta...

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