| glucose oxidase paper strip test | <chemical pathology> A qualitative test for glucose in the urine, in which glucose is oxidised to gluconic acid by glucose oxidase; a specific test, unless ascorbic acid is present. (05 Mar 2000) |
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| glucose oxyhydrase | <enzyme> An enzyme which converts glucose into gluconic acid and hydrogen peroxide (H2O2). It is used to help diagnose diabetes by determining if glucose is present in the patients urine, if the glucose is present, the hydrogen peroxide produced in the reaction can be detected by reacting it with an indicator to change the colour of the urine. (09 Oct 1997) |
| glucose-phosphate isomerase | <enzyme> An enzyme that catalyses the reversible interconversion of d-fructose 6-phosphate and d-glucose-6-phosphate; a part of glycolysis and gluconeogenesis; glucosephosphate isomerase deficiency is an inherited disorder resulting in liver glycogenesis and haemolytic anaemia. Synonym: hexosephosphate isomerase, phosphohexomutase, phosphohexose isomerase. (05 Mar 2000) |
| glucose phosphomutase | <enzyme> An enzyme that catalyses the conversion of alpha d-glucose 1-phosphate to alpha d-glucose-6-phosphate. Chemical name: alpha-D-Glucose 1,6-phosphomutase Registry number: EC 5.4.2.2 (12 Dec 1998) |
| glucose related protein | <protein> One of the stress related proteins: identical to endoplasmin. (18 Nov 1997) |
| glucose solution, hypertonic | Solution that is usually 10 percent glucose but may be higher. An isotonic solution of glucose is 5 percent. (12 Dec 1998) |
| glucose tolerance factor | A water-soluble complex containing chromium needed for normal glucose tolerance. (05 Mar 2000) |
| glucose tolerance test | <chemical pathology, investigation> A special test where the blood glucose is measure in intervals after a glucose-rich meal is taken, a test used for diagnosing diabetes. (27 Sep 1997) |
| glycerol-3-phosphate - glucose phosphotransferase | <enzyme> Catalyses the formation of glycerol and glucose-6-phosphate Registry number: EC 2.7.1.142 Synonym: gro3p-glucose transphorylase, glycerol 3-phosphate-glucose transphorylase (26 Jun 1999) |
| phosphoenolpyruvate-glucose phosphotransferase | <enzyme> Specific for glucose and nonmetabolizable analogs methyl alpha glucoside, beta-d-thioglucose and 5-thioglucose Registry number: EC 2.7.1.- Synonym: II-b(glc) peppts, enzyme II-b(glc) phosphoenolpyruvate phosphotransferase system, enzyme II (glucose), glucose-specific permease, phosphotransferase system, beta-glucosidase permease, beta-glucoside permease, glucose permease, enzyme II(glc), bglp gene product, syta gene product (26 Jun 1999) |
| deficiency, glucose-6-phosphate dehydrogenase | Deficiency of G6PD is the commonest disease-causing enzyme defect in humans affecting an estimated 400 million people. The G6PD gene is on the X chromosome. Males with the enzyme deficiency develop anaemia due to breakup of their red blood cells when they are exposed to oxidant drugs such as the antimalarial primaquine, the sulfonamide antibiotics or sulfones, naphthalene moth balls, or fava beans. (12 Dec 1998) |
| d-glucose | D-Glucose;a dextrorotatory monosaccharide (hexose) found in the free state in fruits and other parts of plants, and combined in glucosides, disaccharides (often with fructose in sugars), oligosaccharides, and polysaccharides; it is the product of complete hydrolysis of cellulose, starch, and glycogen. Free glucose also occurs in the blood (normal human concentration, 70 to 110 mg per 100 ml); in diabetes mellitus, it appears in the urine. The epimers of d-glucose are d-allose, d-mannose, d-galactose, and l-idose. Dextrose should not be confused with the l-isomer which is sinistrose. Synonym: cellohexose. (05 Mar 2000) |
| d-glucose 1,6-bisphosphate | A bisphosphorylated derivative of d-glucose that is a required intermediate in the interconversion of d-glucose 1-phosphate and d-glucose-6-phosphate. (05 Mar 2000) |
| d-glucose 1-phosphate | An important intermediate in glycogenesis and glycogenolysis. Synonym: Cori ester. (05 Mar 2000) |
| d-glucose-6-phosphate | A key intermediate in glycolysis, glycogenolysis, pentose phosphate shunt, etc.; elevated levels inhibit brain hexokinase and glycolysis. Synonym: Robison ester, Robison-Embden ester. (05 Mar 2000) |