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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 ...
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...
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.