What's the difference between slab and substrate?

Slab


Definition:

  • (n.) A thin piece of anything, especially of marble or other stone, having plane surfaces.
  • (n.) An outside piece taken from a log or timber in sawing it into boards, planks, etc.
  • (n.) The wryneck.
  • (n.) The slack part of a sail.
  • (a.) Thick; viscous.
  • (n.) That which is slimy or viscous; moist earth; mud; also, a puddle.

Example Sentences:

  • (1) Multiple overlapping thin 3D slab acquisition is presented as a magnitude contrast (time of flight) technique which combines advantages from multiple thin slice 2D and direct 3D volume acquisitions to obtain high-resolution cross-sectional images of vessel detail.
  • (2) This study investigates the photoneutron field found in medical accelerator rooms with primary barriers constructed of metal slabs plus concrete.
  • (3) In order to study the effects of different glass ionomers on the metabolism of Streptococcus mutans, test slabs of freshly mixed conventional glass ionomer (Fuji), silver glass ionomer (Ketac-Silver), composite (Silux), and 2-week-old Fuji were fitted into the bottom of a test tube.
  • (4) The native phosphoprotein has an approximate sedimentation coefficient of 14.8 S. On sodium dodecyl sulfate-polyacrylamide slab gel electrophoresis, the protein dissociated into identical subunits of Mr = 128,000.
  • (5) Through small and large acts of deprivation and destruction we follow the process: the removal of hope, of dignity, of luxury, of necessity, of self; the reduction of a man to a hoarder of grey slabs of bread and the scrapings of a soup bowl (wonderfully told all this, with a novelist's gift for detail and sometimes very nearly comic surprise), to the confinement of a narrow bed – in which there is "not even any room to be afraid" – with a stranger who doesn't speak your language, to the cruel illogicality of hating a fellow victim of oppression more than you hate the oppressor himself – one torment following another, and even the bleak comfort of thinking you might have touched rock bottom denied you as, when the most immediate cause of a particular stress comes to an end, "you are grievously amazed to see that another one lies behind; and in reality a whole series of others".
  • (6) Stains-All treatment of slab gels showed that the cross-reactive peptide stained metachromatically blue, similarly to SR CS.
  • (7) The serum material extracted from the slab gel was purified from SDS and further fractionated by reverse-phase high performance liquid chromatography (HPLC).
  • (8) It is suggested that (1) in the chronically neuronally isolated cortical slab there is normally no spontaneous adrenergic activity, (2) a cortical, cholinergic inhibitory mechanism, previously described, is modulated by ascending adrenergic influences, (3) adrenergic cholinergic linkages might be arranged in the cortex in an alternating network, as proposed by Feldberg.
  • (9) These proteins were further separated on slab SDS gels and protein bands were excised after Coomassie Brilliant Blue R-250 staining and used to inject three rabbits.
  • (10) A system for analyzing covalent modifications of elongation factor-2 (eEF-2) by one-dimensional isoelectric focusing in slab polyacrylamide gels is described.
  • (11) Slabs were re-embedded in resin and 5 microns sections cut for routine undecalcified histological staining.
  • (12) A new prealbumin plasma esterase was demonstrated by the use of miniaturized polyacrylamide slab gel electrophoresis.
  • (13) Many neurons of this longitudinal slab which we have named the basal forebrain cell column, originate from an ependymal matrix closely associated with the ventral diencephalic sulcus and later become associated with the basal forebrain bundle.
  • (14) The water inside the channel was considered through a continuum medium using the dielectric constant of the bulk, and the membrane contribution was included using the virtual images of the pore in a dielectric slab of epsilon = 3.
  • (15) Protein band positions on a slab polyacrylamide gel were determined without staining, by blotting the bands onto a nitrocellulose membrane which was then stained to visualize the electrophoretic pattern.
  • (16) The front surface slab-off and bicentric produce base-up prism in the lower section of the lens.
  • (17) A small air cavity to measure ionization is embedded in the polystyrene slab at the boundary facing the backscatterer.
  • (18) Resembling a billhook, with Foule Crag its wickedly curved tip, this final flourish looks daunting but can be skirted to one side, up awkward slabs.
  • (19) Sandwood Bay in Scotland Photograph: Alamy Am Buachaille, a rocky sea stack, stood guard-like to one side, the giant grey slabs which cut into the sea were bathed in frothing waves, and the dim glow of the Cape Wrath lighthouse sent out a muted white beam beyond the cliffs to my right.
  • (20) The occurrence of molecular forms in protease-solubilized AChE was investigated by means of centrifugation analysis and slab gel electrophoresis.

Substrate


Definition:

  • (n.) A substratum.
  • (a.) Having very slight furrows.
  • (v. t.) To strew or lay under anything.

Example Sentences:

  • (1) 5-HT thus appears to be the preferred substrate for uptake into platelets and for movement from cytoplasm to vesicles.
  • (2) Some common eye movement deficits, and concepts such as 'the neural integrator' and the 'velocity storage mechanism', for which anatomical substrates are still sought, are introduced.
  • (3) These results demonstrate that increased availability of galactose, a high-affinity substrate for the enzyme, leads to increased aldose reductase messenger RNA, which suggests a role for aldose reductase in sugar metabolism in the lens.
  • (4) The common polyamines, spermidine and spermine, and histones were not substrates.
  • (5) Manometric studies with resting cells obtained by growth on each of these sulfur sources yielded net oxygen uptake for all substrates except sulfite and dithionate.
  • (6) The PSB dioxygenase system displayed a narrow substrate range: none of 18 sulphonated or non-sulphonated analogues of PSB showed significant substrate-dependent O2 uptake.
  • (7) The observed relationship between prorenin and renin substrate concentrations might be a consequence of their regulation by common factors.
  • (8) This theory was confirmed by product analysis and by measuring the affinity of the substrate for the enzyme by its inhibition of p-nitrophenyl glucoside hydrolysis.
  • (9) Yields of Thiobacillus dentrificans on different substrates were compared.
  • (10) It includes preincubation of diluted plasma with ellagic acid and phospholipids and a starting reagent that contains calcium and a chromogenic peptide substrate for thrombin, Tos-Gly-Pro-Arg-pNA.
  • (11) The present results provide no evidence for a clear morphological substrate for electrotonic transmission in the somatic efferent portion of the primate oculomotor nucleus.
  • (12) Fluorination with [18F]acetylhypofluorite yields 6-[18F]fluoro-L-dopa with 95% radiochemical purity; fluorination of the same substrate with [18F]F2 yields a mixture of all three structural isomers in a ratio of 70:16:14 for 6-, 5-, and 2-fluoro compounds.
  • (13) The enzyme, when assayed as either a phospholipase A2 or lysophospholipase, exhibited nonlinear kinetics beyond 1-2 min despite low substrate conversion.
  • (14) The stopped-flow technique was used to measure the rate constants for the reactions between the oxidized forms of peroxidase with luminol and the following substrates: p-iodophenol, p-bromophenol, p-clorophenol, o-iodophenol, m-iodophenol, luciferin, and 2-iodo-6-hydroxybenzothiazole.
  • (15) The time-course and dose-response for this modification of pp60c-src paralleled PDGF-induced increases in phosphorylation of pp36, a major cellular substrate for several tyrosine-specific protein kinases.
  • (16) Control incubations revealed an inherent difference between the two substrates; gram-positive supernatants consistently contained 5% radioactivity, whereas even at 0 h, those from the gram-negative mutant released 22%.
  • (17) Uptake could be supported either by substrate oxidation or by adenosine 5'-triphosphate (ATP), and was inhibited in the former case by antimycin or cyanide, in the latter case by oligomycin, and in both cases by 2,4-dinitrophenol.
  • (18) These results indicate that both the renal brush-border and basolateral membranes possess the Na(+)-dependent dicarboxylate transport system with very similar properties but with different substrate affinity and transport capacity.
  • (19) Congenitally deficient plasmas were used as the substrate for the measurement of procoagulant activities in a one-stage clotting assay.
  • (20) This capacity is expressed during incubation of the bacteria with the substrate and needs a source of carbon and other energy metabolites.