aims: the internal unit and icu of hospitals are a suitable environment for growing of bacteria such as staphylococcus epidermidis and pseudomonas, acinetobacter. the aim of our study was to evaluate the effect of different disinfectants on bacteria isolated from the surface of hospitals in isfahan. instrument & methods: in this study, 200 samples were randomly selected from different parts of ...

The important part that fleas acd flies and mosquitoes and other small insects play in the spread of infectious diseases and complaints such as plague, enteric, typhus, malaria and summer diarrhoea is becoming more generally recognised every day ; indeed Sir Lauder Brunton speaks of fleas as a national danger (Tha Lancet, Nov. 9th, 1907), and the destruction of these insects is a problem which ...

Once released into the air, humidifier disinfectants became tiny nano-size particles, and resulted in chemical bronchoalveolitis. Families had lost their most beloved members, and even some of them became broken. Based on an estimate of two million potential victims who had experienced adverse effects from the use of humidifier disinfectants, we can say that what we have observed was only the t...

Background: The goals of caries restoration and endodontic treatment are to repair prevent the infection fromgetting worse if possible, heal damaged tissue. To achieve this goal, it is necessary control presence ofmicrobes in cavity or root canals with chemo mechanics prior filling obturation canals. Disinfectionmethods using disinfectants effective bactericidal activity mostly used at subtoxic...

The exact mechanism of action of a disinfectant is not easy to elucidate. The notion of 'target' in the bacterial cell, frequently evoked for the antibiotics, is not clear for disinfectants (except for some, e.g. chlorhexidine). In understanding the mode of action of a disinfectant, it can be difficult to distinguish the primary stage (characteristic of the mode of action) and the secondary sta...

We analysed susceptibility of multidrug-resistant organisms (MDROs) including New Delhi metallo-beta-lactamase-1 positive Enterobacteriaceae to chlorhexidine and compared results to their susceptible counterparts. Susceptibilities of chlorhexidine digluconate in a standard (CHX-S) preparation and two commercial disinfectants containing different CHX concentrations (2% w/v and 4% w/w) were perfo...

This is practically a companion volume to Parkas and Kenwood's Hygiene and Public Health. The new edition lias been considerably altered and entirely revised. It is divided into seven parts, viz., the examination of water for public health purposes, the analysis of sewage, etc., soil examination, air analysis, food examination, the examination of disinfectants and Part VIT (written by Dr. Savag...

Background and Aim: Hepatitis B virus (HBV) is an important infectious agent in denti-stry necessitating the use of disinfectants to prevent its transmission. This study compared the efficacy of 2/100 sodium hypochlorite disinfectants prepared from 5% solution manufactured by four different manufacturers namely Ashimashi, Paknaz, Vitex and Active for disinfection of surfaces infected with HBV. ...