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Study reveals contamination of air and environment near patients with COVID-19（图）
contamination air environment near patients COVID-19
2020/8/14
A study by University of Nebraska Medical Center researchers provides new evidence of infectious SARS-CoV-2 throughout the environment and in air samples collected in COVID-19 patient care areas. SARS...
Contamination of Sachet Water in Nigeria:Assessment and Health Impact
Pipe borne water Vendors Contaminants Pure water
2015/7/22
Adequate supply of fresh and clean drinking water is a basic need for all human beings. Water consumers are frequently unaware of the potential health risks associated with exposure to water borne con...
Dimensions of water contamination in the subprovinces of Adana province, Turkey
Water pollution heavy metals pesticides contamination
2011/3/22
To determine the dimension of the contamination of the drinking and utility water in the touristic Bahçe district of the Karataş subprovince of Adana province, and to share our views on ho...
CONTAMINATION WITH HELMINTH EGGS OF VARIOUS PROCESSING STAGES OF THE SEWAGE TREATMENT PLANT
Sewage treatment plant Helminthiases
2010/1/5
Because of the establishment of a sewage treatment plant in the city of Isfahan in recent years, a study was undertaken to investigate the effect of this system in reducing the high prevalence of helm...
INVESTIGATION ON THE AFLATOXIN CONTAMINATION OF MILK IN TEHRAN AREA
INVESTIGATION AFLATOXIN CONTAMINATION MILK TEHRAN AREA
2009/12/30
In this survey Aflatoxin contamination of fifty two samples of raw milk and nine samples of commercial milk were determined by T.L.C. Method. The results showed that 92.31% of the samples of raw milk ...
Effect of saliva contamination prior to curing on microleakage of pit and fissure sealants,an in vitro study
Microleakage Pit and fissure sealant Light curing Saliva contamination
2009/12/18
Background and Aim: Pit and fissure sealant therapy, is one of the most effective methods, in prevention of occlusal caries. Saliva contamination before curing the resin can increase the risk of failu...
POLYCYCLIC AROMATIC HYDROCARBON CONTAMINATION LEVELS IN COLLECTED SAMPLES FROM VICINITY OF A HIGHWAY
Polycyclic aromatic hydrocarbons dust vehicle exhausts highway
2009/12/14
Tehran as the biggest city of Iran with a population of more than 10 millions has potentially high pollutant exposures of gas oil and gasoline combustion from vehicles that are commuting in the highwa...
MICROBIAL CONTAMINATION OF DENTAL UNIT WATERLINES
dentistry dental unit waterlines microbiological contamination
2010/12/22
The specifi c structure of dental units favours the presence of biofi lm and microbial contamination of the dental unit waterlines (DUWL) water. The ability of bacteria to colonize surfaces and to for...
CHILDREN’S ALLERGIC DISEASES AND MICROBIAL CONTAMINATION OF INDOOR AIR – A CASE REPORT
children allergic sensitization indoor air damp houses bacteria fungi
2010/12/23
The assessment of exposure to bioaerosols in damp houses of two children who suffered from perennial rhinitis and asthma was performed. The paper presents an approach to the complex (i.e., medical and...
BACTERIAL CONTAMINATION OF WATER IN DENTAL UNIT RESERVOIRS
dental unit waterlines water bacterial contamination
2010/12/23
The aim of this study was bacteriological assessment of water in dental unit reservoirs – concentration and composition of the aerobe and facultative anaerobe bacterial microfl ora.
MICROBIAL CONTAMINATION IN DENTAL UNIT WATERLINES: COMPARISON BETWEEN ER:YAG LASER AND TURBINE LINES
dental unit Er:YAG laser water turbine lines
2010/12/23
The investigation was carried out by evaluating the microbiological characteristics of the water before and after treatment with Er:YAG laser and turbine. The study was carried out in 2 dental surgeri...
REGIONAL EVALUATION OF BACTERIAL CONTAMINATION IN HOSPITAL ENVIRONMENT COCKROACHES
Kordestan COCKROACHES
2010/4/12
Cockroaches play an important role in transmission of different diseases either mechanically and occasionally biologically. The aim of current study was on the identification of cockroaches and their ...
BACTERIAL CONTAMINATION OF INDOOR AIR, SURFACES, AND SETTLED DUST,AND RELATED DUST ENDOTOXIN CONCENTRATIONS IN HEALTHY OFFICE BUILDINGS
healthy office buidings occupational exposure
2010/12/23
Endotoxin, a characteristic external fraction of the outer membrane from Gram-negative bacteria, continuously shed into the environment, is considered as an important risk factor for human health. Our...
EVALUATION OF MYCOLOGICAL CONTAMINATION OF DENTAL UNIT WATERLINES
dental unit waterlines contamination fungi water biofilm
2010/12/24
The quality of dental unit water is of great importance since patients and dental staff are regularly exposed to water from aerosols generated during work.