The relation between the plate count and the direct microscopic count of bacteria is of practical as well as theoretical importance. Particularly during the logarithmic growth period, where the constant rates are used for comparative purposes, it is desirable to know whether the number of cells as determined by plating always bear a constant relation to those enumerated microscopically, that is...

Bacteria have been implicated in recurrent choledocholithiasis associated with endoscopic sphincterotomy (EST). This study was designed to clarify whether bacterial examination of bile provides information useful in predicting the risk of recurrence of choledocholithiasis in patients undergoing EST. Bacteria in bile collected via a duodenoscope before cholangiography were cultured. We compared ...

Drinking contaminated groundwater can have serious health effects. Bacterial assessment of groundwater in Ekiti State was carried out to determine its potability and source(s) of pollutants. Consequently, 73 groundwater samples were collected for bacterial analysis and NO3 determination. At each location, depth of each well and depth to water table were measured using dipmeter. Temperature (°C)...

5.1 INTRODUCTION Organisms detected by the heterotrophic plate count (HPC) are ubiquitous in drinking-water. In order to assess the basis of confidence in existing measurements, particularly of the HPC, we have to reexamine the current role of potential waterborne bacteria in human disease. In this chapter, we therefore consider the following groups of bacteria of concern: • commensal bacteria;...

The occurrences of trihalomethanes (THMs), haloacetic acids (HAAs) and heterotrophic bacteria were monitored in five small water systems over a nine-month period to investigate the association between HAA degradation and heterotrophic bacteria populations. The sampling sites were chosen to cover the entire distribution network for each system. An inverse association between heterotrophic bacter...

Bacteriological examinations were carried on four types of water samples which collected from tap water, river Nile ground and bottled at different cities in Dakahlia Damietta Governorates, Egypt during 2017/2018 order to determine the level total count bacterial isolates present our . These groups described as coliform bacteria, fecal streptococci, according counts methods. Generally,the highe...

Abstract Indonesian consumers generally buy chicken eggs in traditional markets. Mostly, the markets were less clean places, making it easier for bacterial contamination to commodity. The purpose of this study was determine presence Coliform bacteria, Total Plate Count (TPC) and pH value from traders Maros regency. Chicken egg samples obtained 3 Regency, each sellers replications. number colifo...

When exposed extreme environmental conditions such as sea water, bacteria have been shown different survival strategy for continue their life. One of this strategy known as viable but nonculturable (VBNC) state which is very important for nondifferiation bacteria. VBNC cells cause serious human health problems. Little is known, however, about the genetic mechanisms underlying the VBNC state. Un...