(a.) Consisting of one color, or presenting rays of light of one color only.
Example Sentences:
(1) Contrary to previous reports, approximately 20% of the neurons in V3 were color selective in terms of showing a severalfold greater response to the best monochromatic wavelength compared with the worst.
(2) The goal of this work was to study the effect of monochromatic visible light having a low intensity on Escherichia coli WP2 growth.
(3) Activation of GV by monochromatic 450-nm radiation causes two specific DNA changes in human P3 cells in culture as shown by alkaline elution techniques: single-strand breaks (i.e., alkali-labile sites plus frank strand scissions) and DNA-to-protein covalent bond crosslinks.
(4) Additionally, the silver staining properties of the Duracryl matrix result in proteins appearing as monochromatic shades of grey instead of red, brown and yellow, as is the case of conventional polyacrylamide matrices.
(5) ERG bp-waves were recorded in congenital color blindness by scanning monochromatic light stimuli, and spectral responses obtained could be evaluated as a spectral pattern.
(6) Responses to monochromatic flashes were recorded intracellularly from double cones in the retina of the turtle, Pseudemys scripta elegans.
(7) Initially, the essential electronic driver was developed to facilitate the systematic characterization of the paratellurite (TeO2) AOTF and to demonstrate that this filter can be successfully and uniquely used as an all solid-state, nonmoving parts dispersive device to rapidly diffract white incident light into a selected color beam, to amplitude modulate the diffracted monochromatic light, and to keep its intensity constant.
(8) A method for determining the spectral sensitivity of the different color mechanisms of the human eye uses the pattern of color names applied to small, brief, dim, monochromatic flashes.
(9) The scotopic visibility curves of two observers have been measured by determining their absolute thresholds for monochromatic lights and by direct comparison matching just above the threshold, in a 10 degree field with its centre 15 degrees above the fixation point.
(10) The patient developed an immediate type of skin reaction with erythema and whealing following monochromatic irradiation at 400 nm, but did not have any abnormal immediate skin reaction after exposure to natural sunlight.
(11) The kinetics for the quantitatively important reaction: (Formula: see text) that is, the photochemical interconversion between bilirubin and its geometric and structural photoisomers bound to human serum albumin in aqueous solution when various wavelengths of monochromatic light were used, were assayed by h.p.l.c.
(12) Monochromatic infrared gas spectrometers cannot identify volatile agents.
(13) Experimental conditions were as similar as possible to those used in a separate study in which psychophysical absolute thresholds were measured: large, dim, monochromatic spots 1 sec in duration were projected close to the right eye of alert, self-respiring goldfish.
(14) The method consists of the determination of the spectral characteristics of different elements of interest and selective monochromatic illumination of a microscopic field followed by image analysis.
(15) by measurement of the blackness of a film without creen exposed to a well-defined monochromatic ray.
(16) However, samples that contain a large number of compounds often result in overlapping peaks, and for such samples, it has been found that the spectral selectivity of monochromatic emission selection reduces the interference due to compounds eluting near the compounds of analytical interest.
(17) Changes in Q were determined from Q = k X Vmax X D2, where Vmax is the center line red blood cell velocity measured from temporal veins by laser Doppler velocimetry, D is the vessel diameter obtained by monochromatic fundus photography, and k is a constant of proportionality.
(18) After an infrared stimulus from a carbon dioxide laser, which has a monochromatic output at 10.6 micrometers, we find evoked potentials in boas with chronically implanted electrodes.
(19) (3) The effect is greater for monochromatic lights of wavelengths in the shorter region of the spectrum.
(20) As illumination level increased, the ability to discriminate wavelength differences deteriorated for the blue cone monochromats, whereas, for the deutan achromats, wavelength discrimination remained relatively constant even near 100,000 scotopic trolands.
Polychromatic
Definition:
(a.) Showing a variety, or a change, of colors.
Example Sentences:
(1) In the present study, 2,000 polychromatic erythrocytes were assessed per animal.
(2) It appears that the recognition of grooved nuclei among tumor cells is a valuable diagnostic feature of PTC in cytologic material stained with polychromatic Papanicolaou stain.
(3) 14 flavonoids, including flavone and flavonol derivatives, were tested for their anticlastogenic effect against induction of micronuclei by benzo[a]pyrene in polychromatic erythrocytes of mice.
(4) This method makes use of crystallographic phases determined from measurements made at several wavelengths and has recently been made technically feasible through the use of intense, polychromatic synchrotron radiation together with accurate data collection from multiwire electronic area detectors.
(5) A significant increase in micronucleated polychromatic erythrocytes in the peripheral blood was observed in male mice in one experiment.
(6) The frequency of induction of micronucleated polychromatic erythrocytes by benzene thus depends on the strain of mouse used.
(7) Butylate was inactive in bone marrow, vernolate caused a marginal increase in the incidence of micronucleated polychromatic erythrocytes only at a high toxic dose level.
(8) Polychromatic silver-stained peptide maps of purified R-II subunits indicated that peptides generated from both rat ovarian R-II52 and R-II51 were similar (if not identical) to the peptides of the neural form, R-II52, purified from rat brain.
(9) Fetal peripheral blood and maternal bone marrow cells were examined at 36 h for the frequency of micronucleated polychromatic erythrocytes.
(10) The negative binomial probability generating function was used to show that six or more micronuclei per 1000 polychromatic cells from one treated animal would be significant for our laboratory, methodology and strain of mouse, provided that concurrent negative control data conformed with historic values.
(11) The ratios of polychromatic to normochromatic erythrocytes at the 24 h sampling time were lower for the treated than the control animals.
(12) In those with polychromatic blocked-in tattoos of professional origin, hypertrophic scars occurred and the overall result was unsatisfactory.
(13) The slight increase in the micronucleated polychromatic erythrocytes without affecting DNA synthesis suggests an effect of usnic acid on spindle apparatus.
(14) The lethal effect of polychromatic near-UV light (325-400 nm) on Haemophilus influenzae was 8 times higher under aerobic than anaerobic irradiation.
(15) As a means of correcting for many potential interferences, polychromatic analysis offers an effective alternative to either sample pretreatment or separate blank determinations.
(16) Khat extract significantly increased the frequency of micronucleated polychromatic erythrocytes, induced bone marrow depression and reduced the mitotic index of the somatic cells.
(17) Histochemical, light, and electron microscopic examinations revealed that all-trans-retinoic acid first decreased the numbers of polychromatic erythroblasts and then increased them.
(18) Rats were given by gavage a single or two successive doses equal to one-half the corresponding LD50, killed at different times after treatment, and examined for the following end points: the frequency of both micronucleated polychromatic erythrocytes in the bone marrow and micronucleated hepatocytes (after partial hepatectomy); the in vivo-in vitro induction of DNA fragmentation, as measured by the alkaline elution technique, and of unscheduled DNA synthesis, as measured by autoradiography, in hepatocyte primary cultures.
(19) Healing of cancellous bone grafts taken from the iliac crest which were implanted in alveolar bone pockets were followed with polychromatic sequence marking in animal experiments using beagle dogs.
(20) Accommodation is more accurate with polychromatic stimuli than with narrowband or monochromatic stimuli.