(n.) The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars.
Example Sentences:
(1) Thin films (OD approximately 0.7) of glucose-embedded membranes, prepared as a control, showed virtually 100% conversion to the M state, and stacks of such thin film specimens gave very similar x-ray diffraction patterns in the bR568 and the M412 state in most experiments.
(2) The electron spectroscopic diffraction (ESD) mode of operation of an energy-filtering electron microscope offers the possibility of being able to avoid the background from inelastic scattering in selected-area electron diffraction patterns.
(3) The calculation, based on analytical expression derived by Cowley, has been shown previously to give an almost quantitative description of kinematical diffraction from linear chain systems.
(4) X-ray diffraction spectrum of 1:8 coprecipitate (COPPT) showed no crystalline structure of AD.
(5) A laser diffraction technique has been developed for registering small changes in sarcomere length.
(6) The crystals diffract to at least 2.2 A Bragg spacing and are stable to x-rays.
(7) The crystals grown at 5 degrees C did not diffract X-rays, while those grown at 18 degrees C and 37 degrees C did.
(8) Optical diffraction measurements on electron micrographs of the bend demonstrate that the axostyle tubules slide over one another and that the tubules on the inside of a bend usually contract, sometimes by as much as 25%.
(9) In contrast, the number of substructural lines within the diffraction maxima is large even for microscopically homogeneous fibers.
(10) Each sarcomere position is stored in a three-dimensional (3-D) matrix array from which Fraunhofer light diffraction patterns have been calculated using numerical methods based on Fourier transforms.
(11) X-ray diffraction analysis of the crystals showed a diffraction pattern characteristic of struvite (ammonium magnesium phosphate).
(12) Crystallinity of the hydroxyapatites, measured by X-ray diffraction peak broadening as full width at the half-maximum value (FWHM), increased with the synthesis temperature, although HAP500 showed a decrease.
(13) A systemic formalism is developed that shows how the results for absolute specific volumes of multilamellar lipid dispersions may be combined with results from diffraction studies to obtain quantitative characterizations of the average structure of fully hydrated lipid bilayers.
(14) Diffraction rings below Tc indicate the existence of solid lipid domains.
(15) One lattice was trigonal, as in purple membrane, and showed a high-resolution electron diffraction pattern from glucose-sustained patches.
(16) The crystal structures of Forms A, B, and C were further analyzed using the X-ray diffraction method, and the results are discussed in comparison with the thermal behavior of the crystalline forms.
(17) The structure of native bovine pancreatic ribonuclease A, without the inhibitory sulfate anion normally bound at the active site, has been determined by X-ray diffraction at 1.53-A resolution.
(18) All but two patients noted monocular diplopia; in three patients this was so intolerable that the diffractive lens was explanted and exchanged for a monofocal lens, following which the visual acuity improved by an average of two Snellen lines and complaints of monocular diplopia disappeared.
(19) The crystalline-like structure of horizontally sectioned Langerhans cell granules has been studied by optical diffraction.
(20) We have also obtained diffraction patterns attributable to the protein envelopes of the corneocytes.
Slit
Definition:
() 3d. pers. sing. pres. of Slide.
(imp. & p. p.) of Slit
(n.) To cut lengthwise; to cut into long pieces or strips; as, to slit iron bars into nail rods; to slit leather into straps.
(n.) To cut or make a long fissure in or upon; as, to slit the ear or the nose.
(n.) To cut; to sever; to divide.
(n.) A long cut; a narrow opening; as, a slit in the ear.
Example Sentences:
(1) There was no evidence for ocular trauma, disease, or vascular malformation by slit-lamp examination and gonioscopy.
(2) In normal kidneys fixed by perfusion with tannic acid and glutaraldehyde, glomerular slit diaphragms have been reported to consist of highly ordered and isoporous substructures with a zipper-like configuration.
(3) Neutral dextran clearances for radii greater than 30 A were elevated during the PEAK period, and, concurrently, there was extensive intraglomerular microthrombosis, obliteration of foot processes, and disruption of filtration slit diaphragms.
(4) Neovascular responses were evaluated by daily slit-lamp observations and terminal whole-mount and histologic examinations of colloidal carbon-perfused vessels.
(5) Only 5 or 6 patients could be examined per hour with the 60D slit-lamp compared with 30-35 examined by reading retinal photographs.
(6) This flap is formed by a triangle-shaped excision combined with cranial and caudal slitting of the periosteum.
(7) Negative slit smears for AFB from the nodules repeatedly and the histology of one on the skin nodules clinched the diagnosis of multicentric reticulohistiocytosis.
(8) Incisional slit grafting utilizes larger numbers of smaller grafts than does traditional punch grafting.
(9) After amputation of the closed tip, a cap from a syringe was inserted via a slit made at the base into one prong of a pair of nasal cannulae.
(10) The use of a standard 35 mm camera with a spot metering system to take slit-lamp photographs is described.
(11) Light scatter from epithelial cells in a slit-scan flow system is modeled using the Fraunhofer condition of scalar diffraction theory.
(12) Depending on the slit width of the illumination source, a typical endothelial photomicrograph contains three or four distinct zones.
(13) By using a slit plate, scanographic arterial studies can be performed with a tomographic attachment of an X-ray unit that is normally used for routine radiographic examinations.
(14) The present study, however, qualitatively evaluates the unsharpness of redundant shadows of the mandibular ramus, especially with reference to the effects of first-slit width.
(15) Microcirculation is clearly visible and can be observed on the conjunctival mucosa by means of any microscope and notably with the slit lamp microscope of ophtalmologists.
(16) The dark, luxury air in the silent bedrooms of empty riverside apartments, their identical curving blocks clustered in threes and fours, grim and silent as gill slits, will be theirs.
(17) For the purpose of covering the demerits of the conventional sliding tube, a new slit sliding tube which is made up of three parts was devised by us.
(18) The optimal slit width in the ordinary roentgenokymographic device was found to equal 0.5+0.03 mm, and in the protected roentgenokymographic device the investigation of adults and children indicated 0.15+0.02 and 0.22+0.02 mm, respectively.
(19) Sequential photomicrographs of RBCs passing through interendothelial slits (IES) in walls of venous sinuses in rat spleen were obtained by video recording in vivo microscopic views.
(20) At both stages and with both dextran fractions the following results were obtained: (a) dextran was retained for up to 3 h (the longest interval studied) in the plasma at high concentration; (b) there was a sharp drop in the concentration of tracer between the inner, looser portions of the basement membrane (lamina rara interna) and its outer denser portions (lamina densa), (c) accumulation of dextran was seen in the mesangial areas with time; and (d) no accumulation of dextran was seen in the slits at any time.