نتایج جستجو برای: coliforms

تعداد نتایج: 2130  

A.R Rahmani, I. Salehi, L. Rafati, M. Ghiasi, M. Kiamanesh, M. Nouri Sepehr,

Introduction: The increasing of population and limited drinking water resources has enhanced the necessity of using bottled water. Many people are now using bottled water because they believe it is a healthful alternative beverage to soft drinks or other bottled beverages. Therefore, the bottled water industry has grown immensely during the past decades. This descriptive cross-sectional study h...

Journal: :Water Policy 2022

Abstract The presence of coliforms, Mastadenovirus (AdV), and Canine protoparvovirus (CPV) in an Environmental Education Center, which contains city kennel, was investigated. Surface water wastewater, dogs’ stool, lettuce samples were collected from the irrigation system both periods October 2017 February 2018. Water analyzed for human AdV (HAdV) canine (CAV), CPV, total coliforms (TC), Escheri...

Journal: :Journal of microbiological methods 2002
Annie Rompré Pierre Servais Julia Baudart Marie Renée de-Roubin Patrick Laurent

The coliform group has been used extensively as an indicator of water quality and has historically led to the public health protection concept. The aim of this review is to examine methods currently in use or which can be proposed for the monitoring of coliforms in drinking water. Actually, the need for more rapid, sensitive and specific tests is essential in the water industry. Routine and wid...

Journal: :Applied microbiology 1962
G W MALANEY H H WEISER R O TURNER M VAN HORN

Untreated waters from ten farm ponds located in central, north central, southeastern, and southwestern Ohio were examined for numbers of coliforms, enterococci, thermodurics, thermophiles, and psychrophiles. The median population densities per 100 ml water for all ponds were: coliforms, 23; enterococci, 3.6; thermodurics, 6,000; thermophiles, 450; psychrophiles, 1,000. The results indicate that...

Journal: :Applied and environmental microbiology 1978
L L Dawe W R Penrose

Coliform colony-forming units in sewage-contaminated seawater were observed to decrease rapidly with time in water that was collected from St. John's Harbour, Newfoundland, and isolated in dialysis bags; this confirms observations made in warmer climates. Adenosine 5'-triphosphate biomass, however, did not decline, nor did the particle size distribution of radioactively labeled coliforms change...

Journal: :Revista de saude publica 2002
Nilton César Alves Augusto Cesar Odorizzi Flávia Cristina Goulart

The aim of this study was to evaluate the microbiological quality of different commercial mineral water brands, wells and reservoir supplies in surrounding areas of the city of Marília, Brazil, to determine the amount of total and fecal coliforms. Eighteen samples of each source (mineral and reservoir supplies) were analyzed using Colilert Technique in cellophane. The results revealed that one ...

Journal: :iranian journal of public health 0
nazak amanidaz ali zafarzadeh amir hossein mahvi

background: this study investigated the interaction between heterotrophic bacteria and coliform, fecal coliforms, fecal streptococci bacteria in water supply networks. methods: this study was conducted during 2013 on water supply distribution network in aq qala city, golestan province, northern iran and standard methods were applied for microbiological analysis. the surface method was applied t...

Journal: :international journal of epidemiology research 0
iman alavi biology dept., shahrekord branch, islamic azad university, shahrekord, i.r. iran maryam zahedi food and drug dept, shahrekord university of medical sciences, shahrekord, i.r. iran mahshid zahedi biology dept., shahrekord branch, islamic azad university, shahrekord, i.r. iran abdollah ghasemi pirbalouti medicinal plants dept., shahrekord branch, islamic azad university, shahrekord, i.r. iran ebrahim rahimi food hygiene and public health dept., shahrekord branch, islamic azad university, shahrekord, i.r. iran hassan momtaz microbiology dept., shahrekord branch, islamic azad university, shahrekord, i.r. iran

background and aims: in iran herbal water and dried herb are as traditional medicinal and are consumed widely. therefore, microbial evaluation of these products in term of public health is important. the aim of the present study was to study the contamination of some dried medical plants and distillates in the groceries of shahrekord city. methods: in this descriptive study, 35 samples of herba...

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