Xem 1-15 trên 15 kết quả Glucose concentration
  • In this research, the growth and metabolic activities of Saccharomyces cerevisiae immobilized in alginate gel during alcoholic fermentation with different initial glucose concentration were studied. Starting from initial glucose concentration at 140 g/L, we observed that increasing this concentration to 220 g/L had little effect on the growth of immobilized yeast. Under the same conditions, the maximum biomass, glucose uptake rate, and final ethanol concentration obtained in the immobilized yeast cultures were always higher than those in the free yeast cultures....

    pdf7p nhatro75 22-07-2012 41 9   Download

  • Trong nghiên cứu này, sự tăng trưởng và hoạt động trao đổi chất của Saccharomyces cerevisiae cố định trong gel alginate trong quá trình lên men rượu với nồng độ glucose ban đầu khác nhau đã được nghiên cứu. Bắt đầu từ nồng độ glucose ban đầu 140 g / L, chúng tôi quan sát thấy rằng việc gia tăng này tập trung đến 220 g / L có ít ảnh hưởng lên sự phát triển của nấm men cố định.

    pdf7p phalinh19 22-08-2011 46 13   Download

  • The effect of chitosan, glucose and chitosan–glucose complex (CGC) on the microbial and postharvest quality of shiitake (Lentinus edodes) mushroom stored at 4 ± 1 C for 16 days was investigated. Mushroom weight loss, respiration rate, firmness, ascorbic acid, total soluble solids, microbial and sensory quality were measured. The results indicate that treatment with CGC coating maintained tissue firmness, inhibited increase of respiration rate, reduced microorganism counts, e.g., pseudomonads, yeasts and moulds, compared to uncoated control mushroom.

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  • In muscle  forms as cytosolic granules with a diameter of 10 to 40 nm - the same as the size of ribosome. Concentration (liver cells) concentration (muscle cells) Total amount of glycogen in muscle cells in the liver. In the uterus, glycogen is stored during pregnancy to nourish the embryo. In vagina, glycogen is secreted and then converted into lactic acid to maintain the acidic environment in order to protect vagina from outside bacteria infections. In kidneys, brain and white blood cells....

    ppt44p zingzing09 21-10-2012 42 8   Download

  • The food we eat has a major effect on our physical health and psychological wellbeing. An understanding of the way in which nutrients are metabolized, and hence of the principles of biochemistry, is essential for an understanding of the scientific basis of what we would call a prudent or healthy diet. My aim in the following pages is to explain both the conclusions of the many expert committees that have deliberated on the problems of nutritional requirements, diet and health over the years and also the scientific basis on which these experts have reached their conclusions.

    pdf0p cronus75 14-01-2013 20 7   Download

  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: The concentration of oxygen, lactate and glucose in the central veins, right heart, and pulmonary artery: a study in patients with pulmonary hypertension...

    pdf7p coxanh_3 25-10-2011 13 2   Download

  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: " A local glucose-and oxygen concentration-based insulin secretion model for pancreatic islets Peter Buchwald

    pdf25p toshiba17 28-10-2011 13 2   Download

  • Metformin (1,1-dimethylbiguanide) is an antihyperglycae-mic drug used to normalize glucose concentrations in type 2 diabetes. Furthermore, antioxidant benefits have been reported in diabetic patients treated with metformin. This work was aimed at studying the scavenging capacity of this drug against reactive oxygen species (ROS) like Æ OH and O Æ 2 -free radicals. ROS were produced by gamma radio-lysis of water. The irradiated solutions of metformin were analyzed by UV/visible absorption spectrophotometry.

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  • Many biosynthetic reactions and bioconversions are limited by low availab-ility of NADPH. With the purpose of increasing the NADPH concentra-tion and⁄or the flux through the pentose phosphate pathway inAspergillus niger, the genes encoding glucose 6-phosphate dehydrogenase (gsdA), 6-phosphogluconate dehydrogenase (gndA) and transketolase (tktA) were cloned and overexpressed in separate strains.

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  • In both industrial fermenters and in their natural habitats, microorganisms often experience an inhomogeneous and fluctuating environment. In this paper we mimicked one aspect of this nonideal behaviour by imposing a low and oscillating extracellular glucose concentration on nonoscillating suspensions of yeast cells. The extracellular dynamics changed the intracel-lular dynamics – which was monitored through NADH fluorescence – from steady to equally dynamic; the latter followed the extracellular dynamics at the frequency of glucose pulsing....

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  • The possibility of producing ethanol from biomass such as maize cobs and groundnut shells was investigated. Different concentrations of sulphuric acid (H2SO4) were used to determine the acid concentration that could produce an optimal yield of glucose. The results revealed that 4.5M H2SO4 produced the optimal yield of glucose and ethanol. This acid concentration was then used for the study of temperature effects on yield of glucose. The results indicated that glucose yield increased with temperature within the experimental set-up....

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  • They give sodium tail currents with relative longterm constants (Wright, et al., 1988). At lower doses more suble repetitive behavior is seen (Brodie and Aldridge, 1982). As with type I pyrethroids, the primary action is on the central nervous system, since symptoms correlate well with brain concentrations (Rickard and Brodie, 1985). As might be expected, both classes of parathyroid produce large increases in brain glucose utilization (Cremer et al. 1983).

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  • Diabetes represents a major threat to public health with alarmingly rising trends of incidence and severity in recent years, as it appears to correlate closely with emerging patterns of nutrition/diet and behavior/exercise worldwide. The concentration of blood glucose in healthy human subjects is about 90 mg/dl and defines the state of normoglycaemia. Significant and prolonged deviations from this level may give rise to numerous pathologies with serious and extensive clinical impact that is increasingly recognized by current medical practice....

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  • Approach to the patient with polyuria. ATN, acute tubular necrosis; ADH, antidiuretic hormone Excessive filtration of a poorly reabsorbed solute such as glucose, mannitol, or urea can depress reabsorption of NaCl and water in the proximal tubule and lead to enhanced excretion in the urine. Poorly controlled diabetes mellitus with glucosuria is the most common cause of a solute diuresis, leading to volume depletion and serum hypertonicity. Since the urine Na concentration is less than that of blood, more water than Na is lost, causing hypernatremia and hypertonicity.

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  • In yeast, a sudden transition from glucose limitation to glucose excess leads to a new steady state at increased metabolic fluxes with a sustained decrease in the ATP concentration. Although this behaviour has been rationalized as an adaptive metabolic strategy, the mechanism behind it remains unclear.

    pdf16p vinaphone15 28-02-2013 10 1   Download

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