What's the difference between nap and surface?

Nap


Definition:

  • (v. i.) To have a short sleep; to be drowsy; to doze.
  • (v. i.) To be in a careless, secure state.
  • (n.) A short sleep; a doze; a siesta.
  • (n.) Woolly or villous surface of felt, cloth, plants, etc.; an external covering of down, of short fine hairs or fibers forming part of the substance of anything, and lying smoothly in one direction; the pile; -- as, the nap of cotton flannel or of broadcloth.
  • (n.) The loops which are cut to make the pile, in velvet.
  • (v. t.) To raise, or put, a nap on.

Example Sentences:

  • (1) Effects of habitual variations in napping on psychomotor performance, short-term memory and subjective states were investigated.
  • (2) Of these 30-45% were of high affinity with a mean Kd value of 0.3 and 0.7 nM for GRO alpha and NAP-2, respectively, and 55-70% of low affinity (Kd = 30 nM).
  • (3) Stage REM frequently appeared within 10 min of stage 1 onset and the normal sequence of stages REM and 4 were altered, demonstrating that the organization of sleep within a nap is quite different from that in monophasic nocturnal sleep.
  • (4) During subsequent time off, napping and night sleep increased total sleep length above baseline levels.
  • (5) It is suggested that the modifier site is accessible to NAP-taurine only from the outside whereas the transport site may be accessible from either side.
  • (6) One service NAPS provides is a clip sheet of publication-ready newspaper columns complete with artwork which an editor can "clip" and use directly in a newspaper.
  • (7) Screening studies, from the most simple (night-time Holter monitor or ear oximetry) to either a carefully performed nap study or a home recording may aid in deciding which patients require a formal polysomnogram.
  • (8) Thus a large portion of Rp binding to NAP may represent nonspecific binding rather than binding to a finite number of Rp acceptor sites.
  • (9) By contrast, NAP did not affect these chondroformative processes.
  • (10) US supreme court justice Ruth Bader Ginsburg admitted that her traditional State of the Union nap may have been induced by a glass or two of wine.
  • (11) Some new data are presented about the clinical pathology of glossitis on the base of clinical, paraclinical, microbiological and virological studies and reliable possibilities of affecting by nistatin-prednisolone emulsion (NAP).
  • (12) Napping did not affect subsequent nocturnal sleep in either group.
  • (13) These observations suggest that our method can represent high NAP activity more exactly than NAP score and may be a potential tool in differentiating polycythemia vera from essential thrombocythemia.
  • (14) The late nap was more efficient in reducing sleepiness during the last 5 h of the experiments (23.00-04.00).
  • (15) The probable structures of the inclusion compounds of NAP with natural cyclodextrins were constructed using a molecular graphics program.
  • (16) This paper describes the 200-fold enrichment of the native RBF-2 class of PR acceptor sites beginning with the DNase I digestion of NAP to obtain DNase-resistant fragment (NAPf) containing approximately 150 bp of DNA.
  • (17) In contrast to G-CSF, GM-CSF did not affect the NAP activity in PMN in spite of the enhanced incorporation of amino acids into PMN by GM-CSF.
  • (18) Although anti-NH2SPD and anti-NAPS antibodies were identified that appeared to bind 3H-SPD, 3H-DOMP or 125I-IBZM with high affinity, none of the populations of polyclonal antibodies or monoclonal antibodies bound all three ligands with high affinity.
  • (19) In the dark, this compound, 8-methoxy-2-(N-n-propyl,N-3-(2-nitro-4-azidophenyl)aminopropyl) aminotetralin or 8-methoxy-3'-NAP-amino-PAT, displaced [3H]8-OH-DPAT and [3H]5-HT bound to 5-HT1A and 5-HT1 sites in hippocampal membranes with IC50 values of 6.6 and 18.1 nM respectively.
  • (20) Using highly purified CTAP-III as the substrate we studied the generation of NAP-2 by several neutral tissue proteinases.

Surface


Definition:

  • (n.) The exterior part of anything that has length and breadth; one of the limits that bound a solid, esp. the upper face; superficies; the outside; as, the surface of the earth; the surface of a diamond; the surface of the body.
  • (n.) Hence, outward or external appearance.
  • (n.) A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface.
  • (n.) That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion.
  • (v. t.) To give a surface to; especially, to cause to have a smooth or plain surface; to make smooth or plain.
  • (v. t.) To work over the surface or soil of, as ground, in hunting for gold.

Example Sentences:

  • (1) The resulting dose distribution is displayed using traditional 2-dimensional displays or as an isodose surface composited with underlying anatomy and the target volume.
  • (2) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
  • (3) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
  • (4) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (5) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
  • (6) Such an increase in antibody binding occurred simultaneously with an increase in the fluidity of surface lipid regions, as monitored by fluorescence depolarization of 1-(trimethylammoniophenyl)-6-phenyl-1,3,5-hexatriene.
  • (7) The role of Ca2+ in cell agglutination may be either to activate the cell-surface dextran receptor or to form specific intercellular Ca2+ bridges.
  • (8) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (9) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
  • (10) A total of 555 caries lesions were registered on proximal surfaces, 49.1% being primary lesions in the enamel, 21.4% primary lesions into the dentin and 29.5% secondary lesions.
  • (11) Contact angles of Silafocon A and PMMA were relatively uninfluenced by front surface radii between 7.7 and 8.85 and 7.3 to 8.8 mm, respectively.
  • (12) These cells contained organelles characteristic of the maturation stage ameloblast and often extended to the enamel surface, suggesting a possible origin from the ameloblast layer.
  • (13) Together these observations suggest that cytotactin is an endogenous cell surface modulatory protein and provide a possible mechanism whereby cytotactin may contribute to pattern formation during development, regeneration, tumorigenesis, and wound healing.
  • (14) Our Ph1-positive ALL revealed B-cell lineage leukemia, since their surface phenotype were Ia+ and CD10+ and they have rearranged immunoglobulin JH genes.
  • (15) The complete nucleotide sequence of the gene for a cell surface protein antigen (SpaA) of Streptococcus sobrinus MT3791 (serotype g) was determined.
  • (16) To investigate the mechanism of enhanced responsiveness of cholesterol-enriched human platelets, we compared stimulation by surface-membrane-receptor (thrombin) and post-receptor (AlF4-) G-protein-directed pathways.
  • (17) Lysis of EAC4b,3b cellular intermediates formed to contain a low surface amount of C3b was more inhibited than was lysis of cells formed with a standard amount of C3b on the surface.
  • (18) After either 5 or 10 days of culture with both cytokines, intense immunofluorescent staining for Ia could be identified on the surface of greater than 80-90% of the viable islet cells.
  • (19) Within the capillary-perfused mucosa and muscularis (between 50 and 2000 microns from the urothelial surface), concentrations decreased by 50% for each 500-microns distance.
  • (20) Displacement of the surface of the cornea of bovine eyes after disruption of intact structures was investigated by means of holographic interferometry.

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