نتایج جستجو برای: tap water
تعداد نتایج: 558333 فیلتر نتایج به سال:
Infection is a major factor that postpones wound healing specially in traumatic wounds. Many reports indicate important role of washing solutions on preventing wound infections. Tap water has been used for centuries as a wound cleanser without evidence of adverse effects or associated infection risk. Normal sterile saline is also regarded as the most appropriate and preferred cleansing solution...
This study investigates the effects of water solutions on the antioxidant content of green tea leaf extracts. Green teas prepared with tap water and distilled water were compared with respect to four antioxidant assays: total phenol content, reducing power, DMPD assay, and trolox equivalent antioxidant capacity assay. The results indicate that green tea prepared with distilled water exhibits hi...
Samples of various brands of bottled water sold in Dar es Salaam, Tanzania were analyzed for physicochemical water quality parameters. For comparison purposes, tap water was similarly examined. The results showed great variations in physico-chemical quality of bottled water, with some samples exceeding the Tanzania Drinking Water Quality Standards for nitrate, pH and lead. Significant discrepan...
AIM This study examined the effects on disinfection by-product (DBP) concentrations of common household methods for processing drinking water. METHODS We investigated the effects of refrigerator storage, jug filtering, boiling in an electric kettle, and supply from an instant boiling water unit, with or without filtering, on four species of trihalomethanes (THMs) and nine species of haloaceti...
Background and Objectives: Viral hepatitis is one of the most prevalent diseases and an important underlying cause of death and disability in the world. This case-control study was conducted to investigate the outbreak of hepatitis A in Boroujerd in 2019. Methods: This case-control study was conducted to investigate the epidemic of hepatitis A in Boroujerd in 2019. Fifty hepatitis A patient...
OBJECTIVES To describe levels of nitrate and trace elements in drinking water from the study areas of a multicase-control study of cancer in Spain (MCC-Spain). METHODS A total of 227 tap water samples were randomly collected from 67 municipalities in 11 provinces and the nine most frequently consumed bottled water brands were sampled to measure levels of nitrate, arsenic, nickel, chromium, ca...
BACKGROUND The quality of drinking water has an important role in human infection and disease. This study was aimed at comparing polymerase chain reaction and culture in detecting Escherichia coli, Salmonella species and Vibrio cholera in tape water and bottled drinking water in various seasons in Isfahan province, Iran. METHODS A total of 448 water samples from tap water and bottled mineral ...
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