Bioresource Technology 36 ( 1991 ) 77-82 Common Aspects of Acid Prehydrolysis and Steam Explosion for Pretreating Wood Hans E. Grethlein Michigan Biotechnology Institute‚ PO Box 27609‚ Lansing‚ Michigan 48909‚ USA & Alvin O. Converse Thayer School of Engineering‚ Dartmouth College‚ Hanover‚ New Hampshire 03755‚ USA Abstract The initial rate of hydrolysis using cellulase from Trichoderma reesei for various wood samples is directly proportional to the surface area available to the enzyme
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Chapter 1. Microbiology – Diversity of Organisms Microorganisms- too small to be seen with the unaided eye “germ”- rapidly growing cell Microbes in our lives Pathogenic- disease causing Decompose organic waste Producers in ecosystem (photosynthesis) Produce industrial chemicals such as ethanol and acetone Produce fermented foods ( vinegar‚ cheese‚ bread) Produce products used in manufacturing (cellulose) and treatment (insulin) Designer Jeans: Made by Microbes? Stone washing- Tricoderma
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P5- Outline relevant legislation in relation to preparing‚ cooking and serving food. P6- Explain safe practices necessary in preparing‚ cooking and serving food in a health or social care setting. In this assignment I am going to be outlining and explaining safe practices necessary in preparing‚ cooking and serving food in a health or social care setting and relevant legislation in relation to preparing‚ cooking and serving food. Safe practices of food preparation‚ cooking and service Hygiene
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BIOENERGETICS ENERGY FLOW AND NUTRIENT CYCLING Ecosystem • It is an area which is self contained and life supporting. • It contains biotic (including plant‚ animal and microorganisms) and abiotic or physical factors (including nutrient cycling). • Examples include: coral reefs‚ deserts‚ savannahs and rain forests. • Several habitats and the communities associated with them make up an ecosystem. http://www.bloggersbase.com/images/uplo aded/original/c622477c9e5a5d2040c71563 31f799b10498611d.jpeg
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Today the medical field is exceptionally advanced compared to twenty years ago. More vaccines are given today than in the past. Due to the fact that they’re more vaccines given today and with higher doses‚ many people‚ especially parents question if vaccinating their child is even safe. Others‚ on the other hand‚ believed that vaccines should be mandatory to be given to a child. There’s a variety of types of vaccines out there that doctors believe children should have‚ but should all vaccines be
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Microbiology Exam 1 Name_______________________ 1/30/07 1. (1 pt) Who was the first person to observe bacteria using a microscope? a. Lister b. van Leeuvenhoek c. Pastuer d. Koch 2. (2 pts) Which two of the following contribute to the opportunistic and infectious nature of bacteria? a. flagella b. ability to persist in unfavorable environments c. selectively permeable membranes d. fast growth e. ability to sense chemical gradients f. peptidoglycan 3. (1 pt) Capsules‚ sheaths‚ and
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Microbiology Coursework: Bacillus cereus After investigation following on outbreak of food poisoning at a pizza restaurant‚ it was found that all suffers had consumed a portion of side salad from the self-service salad bar alongside their main dish. Subsequently‚ this was further traced to a rice salad. Environmental Health Officers investigating this outbreak suspected it may have been caused by Bacillus cereus (B. cereus). The presence of large numbers of B. cereus in a food is indicative
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SPECIAL SECTION: MICROBIAL DIVERSITY Rumen microbial ecosystem D. N. Kamra Microbiology Section‚ Centre of Advanced Studies in Animal Nutrition‚ Indian Veterinary Research Institute‚ Izatnagar 243 122‚ India The inhabitants of the rumen microbial eco-system‚ a complex consortium of different microbial groups living in symbiotic relationship with the host‚ act synergistically for the bioconversion of lignocellulosic feeds into volatile fatty acids which serve as a source of energy for the
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BIOREMEDIATION SMALL SOLUTIONS TO BIG PROBLEMS Prof Esta van Heerden | 051 401 2472 | vheerde@ufs.ac.za Dr Peter Williams | 051 401 9039 | williamspj@ufs.ac.za Mrs Elizabeth Ojo | 051 401 9897 | ojoao@ufs.ac.za Mr Kay Kuloyo | 051 401 3721 | kuloyooo@ufs.ac.za Mr Rohan Posthumus | 051 4013391 | posthumusjj@ufs.ac.za BACKGROUND Bioremediation is the use of living organisms‚ primarily microorganisms‚ to degrade environmental contaminants into less toxic forms. Research has demonstrated that there
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Chapter 1 THE PROBLEM AND ITS BACKGROUND Introduction A hand sanitizer or hand antiseptic is a supplement or alternative to hand washingwith soap and water. Various preparations are available‚ including gel‚ foam‚ and liquid solutions. The active ingredient in hand sanitizers may be isopropanol‚ ethanol‚ n-propanol‚ or povidone-iodine. Inactive ingredients in alcohol rubs typically include a thickening agentsuch as polyacrylic acid for alcohol gels‚ humectants such as glycerin for
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