What's the difference between glyceric and glycerin?
Glyceric
Definition:
(a.) Pertaining to, or derived from, glycerin.
Example Sentences:
(1) An an initial stage in the study of proteins from thermophilic algae, the enzyme ribulose 1,5-bisphosphate carboxylase 2-phospho-D-glycerate carboxylyase (dimerizing, EC 4.1.1.39) was purified 11-fold from the thermophilic alga Cyandium caldarium, with a 24% recovery.
(2) In the presence of glycolate (glyoxylate), and NADH and NAD alone or together in physiological proportions, the rate of serine-to-glycerate conversion was enhanced and sustained by the addition of malate.
(3) A structure for the principal repeating unit of polymeric G compatible with the analytical data consists of alpha-D-GlcpNAc-(1----3)-alpha-D-GlcpNAc-(1----2)-D-glyceric acid units linked through C-6'-C-6" phosphate diester bridges.
(4) In apical meristem, on the other hand, the level of d-3-phosphoglycerate dehydrogenase exceeded that of d-glycerate dehydrogenase at all time periods studied.
(5) Urinary organic acid screening revealed a massive excretion of glyceric acid, a normally barely detectable metabolite.
(6) Extracts of Methanomonas methanooxidans contain high activities of d-glycerate-NAD oxidoreductase, whereas extracts of Methylococcus capsulatus and Pseudomonas methanica contain negligible activities of this enzyme.
(7) 3-Phospho-D-glycerate is bound to the N-domain of the enzyme through a network of hydrogen bonds to a cluster of basic amino acid residues and by electrostatic interactions between the negatively charged phosphate and these basic protein side chains.
(8) These results suggest that, in the presence of MgADP, vanadate or arsenate, and 3-P-glycerate, the enzyme catalyzed the formation of multiple structurally distinguishable complexes that are stable on the enzyme and labile off the enzyme.
(9) The only substance, glycerly-phosphoryl-serine, possesses an inhibitory activity.
(10) In order to elucidate the regulatory mechanism of the intracellular distribution of glycerate kinase in rat liver, the responses of mitochondrial and cytosolic glycerate kinases to an alteration of dietary protein were studied.
(11) Interaction energy, retained in the protein when the three ligands (CFA, glycerate-2,3-P2 and chloride) are bound to the oxy form, favours intermediates not stable if only one or two allosteric effector(s) is (are) present on the protein.
(12) Glucose production from glycerate was much less sensitive to the presence of 3-MPA than was glucose production from aspartate, illustrating a phosphoenolpyruvate carboxykinase (PEPCK)-independent pathway for the cycling of pyruvate.
(13) The oxygen-linked CFA binding sites are probably located in the deoxy derivative at the alpha cleft, while in the oxy form and in the presence of two other effectors (glycerate-2,3-P2 and chloride) additional, structurally and possibly functionally relevant binding site(s) should be considered.
(14) The order of enzymic incorporation of O-methyl groups into the O-methyl-D-glucose-containing polysaccharide (MGP) of Mycobacterium smegmatis, 3MG(J)----G(I)----G(H) ----G(G)----6MG(F)----(GMG)9(E)----[G(L)----G(D)]----G(C) ----[G(K)----G(B)]----G(A)----Ga, where G is D-glucose, 3MG is 3-O-methyl-D-glucose, 6MG is 6-O-methyl-D-glucose, and Ga is D-glyceric acid, was studied by incubating cultures of M. smegmatis with L-[3H-Me]methionine for various times.
(15) The catalytic reaction primarily occurs at the 'first' or 'high affinity' MgATP2- and 3-P-glycerate binding sites.
(16) In the presence of NAD and malate, there was 1:1 stoichiometric formation of glycerate and oxaloacetate.
(17) These data indicate that oxalate is utilized heterotrophically in the glycerate pathway, and formate and formamide are utilized autotrophically in the ribulose bisphosphate pathway.
(18) Intracellular localization of D-glycerate dehydrogenase (D-glycerate: NAD+ oxidoreductase, EC 1.1.1.29), one of the enzymes of the pathway for gluconeogenesis from serine via hydroxypyruvate, was studied by differential centrifugation.
(19) These data suggest that besides stimulating insulin release in islets via its entering metabolism by phosphorylation to glyceraldehyde phosphate in the triokinase reaction, glyceraldehyde could be phosphorylated by Pi in the glyceraldehyde phosphate dehydrogenase reaction to form glycerate 1-phosphate which is probably unmetabolizable in islets.
(20) The results indicate a common binding site on the enzyme for citrate, 3-P-glycerate, and P-enolpyruvate that is distinct from the ATP inhibitory site.
Glycerin
Definition:
(n.) Alt. of Glycerine
Example Sentences:
(1) At initial concentrations of 0.1 and 1.0 M, glycerin and propylene glycol increase significantly the intestinal absorption rate of theophylline from the small intestine of anesthetized rats.
(2) In the composition of the water-methanol phase glycerin, serine, ethanolamine, phosphoryl-serine, phosphoryl-ethanolamine, glyceryl-phosphoryl-ethanolamine and glyceryl-phosphoryl-serine were detected by the method of thin-layer paper chromatography.
(3) Various routes of immunotherapy (injection, intranasal, oral) using lyophilized, aqueous, glycerinated, and modified allergenic extracts have all produced blocking antibodies and symptomatic improvement.
(4) In contrast, 1% digitonin and lower concentrations of the above agents, as well as sucrose or glycerine caused selective diffusion of catalase from a limited population of peroxisomes.
(5) Ca sensitivity and energy dependence in the contractile proteins of the glycerinated taenia coli of guinea pig were studied.
(6) At the same time, the absence of any effect of the compounds studied on the maximal rate of isotonic shortening and on the tension of glycerinized fibres and ATPPase of native and desenitized actomyosine indicates that the contractile mechanism is not involved in the effect described.
(7) The second formulation was a barrier-type product consisting of milk protein solubilized with lauryl sulfate, a surface active detergent and 4.8% glycerin.
(8) Aqueous glycerin solutions produced wall shear rate waveforms of the same magnitude and shape as the porcine blood.
(9) The fluorescence polarization from rhodamine labels specifically attached to the fast-reacting thiol of the myosin cross-bridge in glycerinated muscle fibers has been measured to determine the angular distribution of the cross-bridges in different physiological states of the fibers as a function of temperature.
(10) A significant fraction of the KCl-inextractable Mg bound to glycerinated cells fails to exchange with (28)Mg even after long equilibration.
(11) Treat the eye as follows: 1) 50% pyridine for at least 16 hr, 2) distilled water 3--4 hr, 3) 20% H2O2 until the eye is a light brown, 4) 95% ethanol overnight, 5) 1.5% AgNO3 for 2--6 days at 37 C, 6) in water, remove the vitreous, then direct 0.25% pyrogallic acid in 1.25% formalin against the retina for 2--5 secs until the optic fibers are reduced to a coffee-copper color (1--4 minutes), 7) dissect the retina and mount flat on a glass slide, 8) cover with glycerin, apply a coverslip, and fix in place with nail polish.
(12) In vascular smooth muscle that does not contract spontaneously, similar deposits of strontium were only seen if the muscle was depolarized during or glycerinated before exposure to the strontium-containing solution.
(13) Larvae for morphological study were collected by pepsin digestion, fixed in glacial acetic acid, and cleared in glycerin.
(14) These rate constants are similar to those that may occur for undistorted cross-bridges within glycerinated rabbit psoas fibers (Bowater, R., Webb, M. R., and Ferenczi, M. A.
(15) Data from chemically skinned and glycerinated single fibers were not significantly different from intact fibers, indicating that the membrane structure has little effect upon the diffraction phenomenon in muscle.
(16) Gly 90, a glycerine mutant defective by glycerokinase, obtained under the action of ethylmethanesulphonate, displayed a distinct difference from the initial virulent strains of salmonella by decreased invasive properties and the absence of any capacity to multiplication in the epithelial cells.
(17) Such molecules would be capable of promoting interactions between thick filaments which contain them, providing a means of accounting for the pH dependent stiffness observed in glycerinated preparations of molluscan catch muscles.
(18) These results support the hypothesis that contraction and relaxation in glycerinated rat uterine muscle are regulated primarily by phosphorylation and dephosphorylation of LC20.
(19) Spinal nerve block by intrathecal phenol-glycerine infusion is commonly employed for relief of severe pain in terminal carcinomatosis and, frequently, a dramatic regional anesthetic effect is achieved.
(20) All additives tested (ethyl alcohol, glycerine, chloral hydrate, ethylene and propylene glycol, and citric, malonic and maleic acids) in varying degrees limited the conversion of hematein to insoluble compounds.