acid–base balance
acid–base balance The regulation of the concentrations of acids and bases in blood and other body fluids so that the pH remains within a physiologically acceptable range (see
pH scale). This is achieved by the presence of natural
buffer systems, such as the haemoglobin, hydrogencarbonate ions, and carbonic acid in mammalian blood. By acting in conjunction, these effectively mop up excess acids and bases and therefore prevent any large shifts in blood pH. The acid–base balance is also influenced by the selective removal of certain ions by the kidneys and the rate of removal of carbon dioxide from the lungs.
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Stearic Acid Absorption and Its Metabolizable Energy Value Are Minimally Lower than Those of Other Fatty Acids in Healthy Men Fed Mixed Diets1
Magazine article from: The Journal of Nutrition; 12/1/2003; ; 700+ words
; ...absorption of palmitic and stearic acids was affected by diet treatment...lipoprotein metabolism. On the basis of these results, reduced stearic acid absorption does not appear to...lipoprotein responses to stearic acid relative to other saturated or unsaturated fatty acids. J. Nutr. 133: ...
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Fatty Acid Regulation of Gene Transcription
Magazine article from: Critical Reviews in Clinical Laboratory Sciences; 1/1/2004; ; 700+ words
; ...the biochemical and molecular basis of fatty acid effects on complex physiological...impacting human health. Fatty acids affect many structural, metabolic...Other mechanisms involve fatty acid effects on cellular metabolism...influenced our view of how fatty acids regulate cell function. ...
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Propionic acid. (Chemical Profile).(Brief Article)(Industry Overview)(Statistical Data Included)
Magazine article from: Chemical Market Reporter; 4/1/2002; 700+ words
; ...acid as a coproduct of acetic acid in the liquid-phase oxidation...Further oxidation yields propionic acid Dow Chemical Company's capacity...ethylhexanoic and 2-methylbutyric acids. Dow Chemical acquired Union...4/1/02. USES Propionic acid salts are used primarily for...41 cents per pound, ...
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FOLIC ACID CAN HELP SAVE BABIES FROM SERIOUS BIRTH DEFECTS
News Wire article from: US Fed News Service, Including US State News; 1/3/2006; 700+ words
; ...Dimes shows more women are aware that folic acid can prevent birth defects, but fewer women are taking folic acid on a daily basis. According to the Gallup survey, folic acid awareness increased from 78 percent in 2004...
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Ribonucleic acid nucleotides in maternal and fetal tissues derive almost exclusively from synthesis de novo in pregnant mice
Magazine article from: The Journal of Nutrition; 7/1/1996; ; 700+ words
; ...sup13^C]-algal amino acids isolated from algal biomass. Ribonucleic acid and protein were isolated...Nucleosides and amino acids were isolated and converted...showing that some dietary bases and ribose were incorporated...WORDS: mice nucleic acids uniformly labeled tracers...derived from ...
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Acetic acid market remains soft in the second half of this year. (Market Report).
Magazine article from: China Chemical Reporter; 11/26/2002; 700+ words
; ...any support to the price of acetic acid. The market of main downstream...materials can hardly provide a stable basis for acetic acid market trend. Due to these unfavorable...factors the price recovery of acetic acid in future will meet a great pressure...
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Amino-acid health drinks becoming increasingly popular in Japan.
Magazine article from: Nutraceuticals International; 7/1/2003; 700+ words
; ...combined with the launch of amino acid soft drinks in bottles, boosted...sales. Within the overall amino acid market mentioned earlier, 90...drinks were promoted on the basis that amino acids are nutrients indispensable...dramatic slogans stating "Amino acid is genius" and "The human...
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Conjugated linoleic acid and vaccenic acid in rumen, plasma, and milk of cows fed fish oil and fats differing in saturation of 18 carbon fatty acids1
Magazine article from: Journal of Dairy Science; 11/1/2003; ; 700+ words
; ...were composed of 50% (dry basis) concentrate mix, 25% corn...trans-11 conjugated linoleic acid (CLA; 0.71, 0.99, 1.71, and 1.12 g/100 g fatty acids, respectively), and vaccenic acid (TVA; 1.85, 2.60, 4.14, and 2.16 g/100 g fatty acids, respectively) were greatest...
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Amino acid digestibilities needed for poultry rations.(Special Report)
Magazine article from: Feedstuffs; 7/26/2004; ; 700+ words
; ...five individuals from amino acid suppliers, six broiler industry...nutritionists and one premix/base mix nutritionist. The basis of the discussion was: what are the best amino acid values that commercial nutritionists...the digestibility of amino acids in broilers, and how can ...
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Acid rain rules will shaft Midwest
Newspaper article from: Chicago Sun-Times; 9/18/1990; ; 700+ words
; ...seeking to moderate the proposed acid rain restrictions. They would...questioned the seriousness of the acid rain problem. I'm an environmentalist...environmental movement than to base it on the emotional smog that energizes acid rain legislation. Dennis Byrne...
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sulfuric acid
Book article from: The Columbia Encyclopedia, Sixth Edition
...Concentrated Sulfuric Acid When heated, the pure 100% acid loses sulfur trioxide gas, SO 3 , until a constant...formed at 337°C. Concentrated sulfuric acid is a weak acid (see acids and bases ) and a poor electrolyte because relatively little...
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acids and bases
Book article from: The Columbia Encyclopedia, Sixth Edition
...called weak acids or weak bases. Strong acids in solution produce...separate article). Strong acids and strong bases make...catalyst ; indicators, acid-base ; titration . Acid...hydrogen ions, H + , and a base as a compound that can...example, hydrochloric ...
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Acids and Bases
Encyclopedia entry from: UXL Encyclopedia of Science
Acids and bases Acids and bases are chemical compounds...example, is caused by citric acid. The slippery feel of ammonia, a common base, is characteristic of all bases...most interesting properties of acids and bases is the way they react...
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Acid-Base Chemistry
Book article from: Chemistry: Foundations and Applications
Acid-Base Chemistry Acids and bases have been known by their...experimental chemistry. The word "acid" comes from the Latin acidus...xA0; (6) Strengths of Acids and Bases The strength of an acid or base is determined by the extent...
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Carboxylic acids
Encyclopedia entry from: The Gale Encyclopedia of Science
...characteristic of many acids. Carboxylic acids also react with alkalis, or bases. Generally, however, carboxylic acids are not as chemically active as the non-organic mineral acids such as hydrochloric acid or sulfuric acid. When a carboxyl...
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