Bioresource Technology 79 (2001) 207±225 Review paper The production of poly-(c-glutamic acid) from microorganisms and its various applications Ing-Lung Shih *‚ Yi-Tsong Van Department of Environmental Engineering‚ Da-Yeh University‚ 112 Shan-Jiau Road‚ Da-Tsuen‚ Chang-Hwa 51505‚ Taiwan‚ ROC Accepted 9 April 2001 Abstract This review article deals with the chemistry and biosynthesis of poly-(c-glutamic acid) (c-PGA) produced by various strains of Bacillus. Potential applications of c-PGA as
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EXPERIMENT 2 ACID DISSOCIATION CONSTANT OF AN INDICATOR DYE OBJECTIVES Using spectrophotometric method: determine the wavelengths at which the acid and base forms of the dye in aqueous medium exhibit maximum absorption; determine the molar absorptivities of the acid and base forms of the dye and estimate an unknown concentration of the dye in solution using the Beer-Lambert’s Law; and determine the acid dissociation constant of the indicator dye. THEORY The absorption or reflection of
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Acid Rain and its Effects On Our Aquatic Ecosystems In the past century‚ one of the greatest threats to North America ’s aquatic ecosystem has been the widespread acidification of hundreds of thousands of waterways. Acid rain has effected plant and animal life within aquatic ecosystems‚ as well as microbiologic activity by affecting the rates of decomposition and the accumulation of organic matter. What causes this poisonous rain‚ and what can be done to improve North America ’s water quality
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heart-healthy snack should be emphasized to consumers. Moreover‚ when almonds are incorporated into a healthy‚ balanced diet‚ the benefits are even greater." Almonds have more fiber than any other tree nut. The fatty acid profile of almonds‚ which is made up of 91-94% unsaturated fatty acids‚ may partly explain why it helps maintain healthy cholesterol levels. Sa almonds Almonds are rich in fiber‚ vitamins‚ iron and other vital nutrients A recent article on the health benefits of almonds: "Research
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14.1 The Nature of Acid and Bases * Acid-Base Theories * Arrhenius- Acid is a hydrogen producer and a base is a hydroxide producer * Bronsted-Lowry- Acid is a proton donor and a base a proton acceptor * Lewis- An acid is an electron pair acceptor‚ and I base is an electron pair donor * Conjugate base & acids * Ka= [products]/[reactants] * Acid dissociation constant * 14.2 Acid Strength * In a strong acid dissociate almost
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|Memories of My Town | | | |When I recall the days | |That saw my childhood of yore | |Beside the verdant shore | |Of a murmuring lagoon; | |When I remember the sighs | |Of the breeze that on my brow | |Sweet and caressing did blow | |With coolness full of delight; | |
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promise than many others and is commonly used in Europe for a type of dementia resulting from reduced blood flow. Ginkgo biloba tends to improve blood flow in small vessels. b.) Omega-3 fatty acid. Omega-3 fish oil supplements have piqued great interest. Studies suggest that a higher intake of omega-3 fatty acid from foods such as cold-water fish‚ plant and nut oils‚ and English walnuts are strongly linked to a lower risk of Alzheimer’s. However‚ thorough studies comparing omega-3s to placebo are
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Lipogenesis is the process by which simple sugars such as glucose are converted to fatty acids‚ which are subsequently esterified with glycerol to form the triacylglycerols that are packaged in VLDL and secreted from the liver.occurs in the cytosol of cells. Lipogenesis encompasses the processes of fatty acid synthesis and subsequent triglyceride synthesis.Lipogenesis starts with acetyl-CoA and builds up by the addition of two carbons units. The synthesis occurs in the cytoplasm in contrast
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assimilated by our organism‚ having good or bad effects upon our health. There are also the fatty acids‚ which form all the fats mentioned above. The four types of fats are formed from fatty acids‚ which are‚ in turn‚ made up of carbon and hydrogen molecules in different chemical combinations (“Brown 18-3"). These molecules build up fats and oils‚ biologically known as lipids. Lipids consist in long chains of fatty acids‚ and these chains of carbon and hydrogen atoms can be saturated or unsaturated (“Brown
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1 English 201A October 15‚ 2012 So Just How Organic Are Our Organics? Organic food is all the rage. By definition organic farming is providing food free of chemical pesticides‚ herbicides‚ fertilizers‚ or any other artificial agents including genetically modified seeds. Strict government regulations give the consumer peace of mind that what they are buying in the store is almost identical to what they would be growing in their backyard given they had the time‚ land and patience to do it themselves
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