microbiological aspects of table olives

... Aharon Oren Microbiological Aspects of Biofilms and Drinking Water Steven L Percival, James T Walker, and Paul R Hunter © 2000 by CRC Press LLC Microbiological Aspects of BIOFILMS and DRINKING WATER ... for research into the epidemiology of Candida infection Prof Hunter is a fellow of the Royal College of Pathologists and a member of the Faculty of Public Health of the Royal College © 2000 by CRC ... in Potable Water 85 Chapter Microbes and Public Health Significance .103 Chapter Methods of Sampling Biofilms in Potable Water 155 Chapter 10 Materials Used in the Transport of Potable...

Ngày tải lên: 12/08/2014, 05:21

... 0590/frame/ch03 Page 30 Tuesday, April 11, 2000 12:02 PM 30 Microbiological Aspects of Biofilms and Drinking Water TABLE 3.1 Estimates of Morbidity and Mortality of Water-Related Diseases Disease Morbidity (Episodes/Year, ... disposal and absence of nearby sources of safe water Strongly related to unsafe drinking water Strongly related to lack of face washing, often owing to absence of nearby sources of safe water Related ... 0590/frame/ch03 Page 36 Tuesday, April 11, 2000 12:02 PM 36 Microbiological Aspects of Biofilms and Drinking Water TABLE 3.5 (continued) Aetiology of Waterborne Outbreaks in the U.S., 1920–1996 Time Period...

Ngày tải lên: 12/08/2014, 05:21

... 10:29 AM 68 Microbiological Aspects of Biofilms and Drinking Water of the viscous sublayer Research on the structure of the viscous sublayer in turbulent flow indicates that downsweeps of fluid from ... 0590/frame/ch06 Page 64 Tuesday, April 11, 2000 10:29 AM 64 Microbiological Aspects of Biofilms and Drinking Water Direction of Flow Fluid Dynamics Detachment Biofilm Formation Conditioning Film Void Adhesion ... polysaccharide-containing structures of bacterial origin, lying outside the integral elements of the outer membrane of Gram-negative cells and peptidoglycan of Grampositive cells.” The involvement of extracellular...

Ngày tải lên: 12/08/2014, 05:21

... Science 7.6 FACTORS WHICH AFFECT THE ACCUMULATION OF BIOFILMS IN POTABLE WATER Within potable water, the main area of concern is that of proliferation of coliforms and heterotrophic bacteria in biofilms ... • • • • Discolouration of water Taste and odour effects Growth of invertebrates Corrosion and pitting Control of the biofilm becomes one of the main objectives of good potable water distribution ... phase 7.3 MICROBIOLOGY OF POTABLE WATER AND BIOFILMS Potable water generally contains a lot of microorganisms, particularly ones which are injured and dormant, as a result of the disinfection process...

Ngày tải lên: 12/08/2014, 05:21

... Methods of Sampling Biofilms in Potable Water FIGURE 9.3a Global sketch of piperig Courtesy of Thames Water Utilities 0590/frame/ch09 Page 160 Tuesday, April 11, 2000 10:43 AM 160 Microbiological Aspects ... AM Methods of Sampling Biofilms in Potable Water 161 Hose Clip O-Ring Stud Polyethylen Pipe BIOFILM 10mm FIGURE 9.4 Cross section of the pipe of the NCIMB biofilm generator Courtesy of Hopton, ... April 11, 2000 10:43 AM 166 9.5.3 Microbiological Aspects of Biofilms and Drinking Water HOFFMAN MODULATION Hoffman modulation contrast microscopy is an adaptation of bright field microscopy and allows...

Ngày tải lên: 12/08/2014, 05:21

... drawback of using chloramines in potable water, and for the control of biofilms, is that it is known to result in the formation of low concentrations of nitrites.13 This may result in failures of potable ... CONSIDERATIONS OF THE EFFECTS OF DISINFECTION ON BIOFILMS A major decision regarding the choice of treatment for biofilms in potable water is related to whether its prevention or control of accumulation ... inactivation of some microorganisms by chloramines is shown in Table 11.3.7 11.4.2 MODE OF ACTION The mechanism of action of monochloramine may account for its more effective penetration of bacterial...

Ngày tải lên: 12/08/2014, 05:21

Ngày tải lên: 17/09/2012, 09:13

... to the understanding of the underlying ideas of the author as well as the cultural features and social aspects of the time Like other types of story, a short story consists of five elements: - ... show that a literary work is the fruit of the ponderation of the writer for the understanding of different aspects of life For Ms Bynum, it was the ponderation of a teacher herself finding a way ... conscious of their cultural identity and practice the target culture more selectively I.3 Scope of the research Within the limitation of a minor thesis, I only discuss some of the most prominent aspects...

Ngày tải lên: 07/11/2012, 15:01

... outsourcing of documentation responsibilities to other firms often located offshore in areas of the world with lower labour costs has come to the forefront of the restructuring debate of the architectural ... The design of the concrete structure was considered conservative due to the implicit lack of familiarity of US designers with this technology and to the lack of trust in the reliability of local ... interviewees, these problems emerged mainly as a result of: the unusual complexity of the project; deficient selection of local design offices; lack of precepts, tools and techniques for the design...

Ngày tải lên: 15/11/2012, 10:27

Ngày tải lên: 30/01/2013, 01:14

Ngày tải lên: 15/10/2013, 03:11

... of 90 to 120 The velocity of propagation of MMC in the jejunum of normally fed sheep is 18 cm/min, which is similar to the value of 20 cm/min for the velocity of digesta flow in the jejunum of ... system of ruminants, leading to studies on the peculiarities of metabolism that cope with the unusual products of microbial digestion The reading list at the end of this chapter gives some of the ... metabolism of ruminants has adapted to the consequences of the production of VFA in the rumen in a number of ways (see Chapters 11 and 12) Acetate is absorbed into the ruminal venous drainage, some of...

Ngày tải lên: 24/10/2013, 17:15

... Proceedings of the Nutrition Society of Australia 14, 153 Faichney, G.J (1990) Effect of level of intake and grinding of lucerne hay on the efficiency of rumination in sheep Proceedings of the Nutrition ... is the number of units of particle phase (PP) that must be added to (or removed from) one unit of DG to obtain TD and RÃ is the number of units of FP that must be added to one unit of PP to obtain ... as much as 80–90% of the variation in digesta flow (Faichney, 1975b; MacRae, 1975) Measurement of Rate of Passage Measurement of the MRT of a digesta component in a segment of the GI tract requires...

Ngày tải lên: 24/10/2013, 17:15

... (2000) Estimating the extent of degradation of ruminant feeds from a description of their gas production profiles observed in vitro: comparison of models British Journal of Nutrition 83, 131–142 ... et al., 1998) Furthermore, the amount of gas produced per unit of fermentable substrate is affected by the molar proportions of the VFA, because a net yield of CO2 and CH4 is generated when acetate ... the amount of microbial mass per unit of fermentable ¨ substrate and the amount of either gas or VFA produced (Blummel et al., 1997b) Based on this relationship and the stoichiometry of gas and...

Ngày tải lên: 29/10/2013, 00:15

... Rate of intake of legumes was higher than for grasses and the extent of size reduction of petioles and stems was correspondingly less (Wilman et al., 1996) The greater ease of breakdown of lucerne ... 173–195 Faichney, G.J (1990) Effect of level of intake and grinding of lucerne hay on the efficiency of rumination in sheep Proceedings of the Nutrition Society of Australia 15, 147 Faichney, G.J., ... (1990) Effect of rate of intake on ruminal rate of passage of small forage particles Canadian Journal of Animal Science 70, 243–250 Particle Dynamics 151 Grenet, E (1989) A comparison of the digestion...

Ngày tải lên: 29/10/2013, 00:15

... its group of target individuals What can be done? The current state of aVairs where the value of a health technology is judged only on the basis of some of its consequences, and the use of the technology ... times of solely natural creation of new human life are past, and new life can be created (or assisted), and the quality of a new human being inXuenced Consequences of fetal screening The aim of ... happen; Figure 12.1 lists some of them The knowledge of the existence of such screening may inXuence women’s and men’s images of their worthiness to have children because of their genetic makeup or...

Ngày tải lên: 01/11/2013, 08:20

... /v/ in of before consonants: Eg Full of children : /v/ in of disappears waste of money : /v/ in of disappears Disappearance of vowel • Disappearance of weak vowel after /p,t,k/: Eg Potato ... cluster of a word disappears if it is identical to initial cluster of the following Eg Next street : /st/ in /nekst/ disappears Disappearance of consonant • Disappearance of /v/ in of before ... • Types of elision Elision • Definition: elision is the leaving out / disappearance of sounds or sounds in rapid speech Types of elision • Disappearance of consonant • Disappearance of vowel...

Ngày tải lên: 06/11/2013, 00:15

... composition of supplements), level of intake, retention time of solids and liquids, and the timing of release of energy substrates and nitrogenous materials into the medium (rumen ‘synchrony’) Effect of ... The effect of forage species and stage of harvest on the processes of digestion occurring in the rumen of cattle British Journal of Nutrition 56, 439–454 Bird, S.H (1995) Manipulation of rumen ... from pool j out of the system Constant rate of continuous infusion of labelled VFA i into primary pool Total quantity (labelled plus unlabelled) of VFA i in rumen liquid Quantity of labelled VFA...

Ngày tải lên: 07/11/2013, 23:15

... less than 8% of the total Over 200 species of rumen bacteria have been described since the pioneering work of R.E Hungate began in the 1940s All of the principal morphological forms of small bacteria, ... namely mg of X2 biomass synthesized per mg X1 biomass ingested and mg of X1 biomass per ml of culture Also note that in this set of equations, protozoa not utilize substrate, but obtain all of their ... complete systems Often, however, many aspects of the interaction can only be determined by using mixed populations Detailed analyses of cultures containing two or even three species of rumen microorganisms...

Ngày tải lên: 07/11/2013, 23:15

... independent of the route, the enthalpy change of a fermentation can be calculated from heats of combustion (substrates vs products, Table 9.1) A homolactic fermentation requires 10.5 cal of enthalpy ... protein profiles in complex mixed cultures of organisms These approaches have not yet been used quantitatively, but they offer the possibility of mapping the genetics and gene expression of mixed ... be the most widely used of these models, although various aspects of the CNCPS have been criticized (Alderman et al., 2001) A basic feature of the CNCPS is the prediction of ruminal availability...

Ngày tải lên: 07/11/2013, 23:15