(a.) Having the property of dichroism; as, a dichroic crystal.
Example Sentences:
(1) The assembly reaction is accompanied by characteristic changes in fluorescence emission and dichroic absorption.
(2) Synthesis products have been identified, and three chromophores have been displayed by their n----II and II----II dichroic transitions.
(3) No alteration in the circular dichroic spectrum of fully active, membrane-bound (Na+ + K+)-ATPase is observed when the protein is cycled between the two major conformational states, E1 and E2.
(4) The visible and ultraviolet circular dichroic spectra resulting from the interaction of bovine alpha-lactalbumin with successive Cu(II) ions have been recorded under a variety of conditions.
(5) Neither the modification of ALBP with NEM nor the addition of oleic acid had a significant effect on protein structure, as judged by circular dichroic analysis.
(6) Circular dichroic studies and hydropathy profiling of the amino-acid sequence of this 'lac' permease suggest a secondary structure in which the polypeptide consists of 12 hydrophobic segments in alpha-helical conformation that traverse the membrane in zig-zag fashion connected by shorter, hydrophilic domains with most of the charged residues and many of the residues commonly found in beta-turns.
(7) Secondary structure prediction and analysis of far-ultraviolet circular dichroic spectra have revealed that G1 and G2 consist predominantly of beta-structure with a little alpha-helical content.
(8) The amount of alpha-helicity thus obtained is in agreement with previously obtained results based on circular dichroic measurements at far UV.
(9) Circular dichroic spectra of the lipophorins and apolipophorin from 190 to 250 nm showed a single trough at 218 nm and a peak at 194 nm.
(10) UV irradiation of the chromatin caused an increase of the positive circular dichroic band in the vicinity of 275 nm (corresponding to DNA) and a deepening of the negative band of proteins at about 225 nm.
(11) Circular dichroic (CD) spectra showed that the normal protein and that activated by substitution of Ala59 to Thr59 are very similar in their overall structure.
(12) Even the most extensive carbamylation led to only marginal changes in the circular dichroic (CD) spectra of these substances and none in sedimentation coefficients studied.
(13) 270 MHz magnetic resonance and circular dichroic studies show that the two C-terminal peptides are unable to form secondary or tertiary structure.
(14) The dichroic ratios were found to be similar for both cytochromes a and a3.
(15) The enzyme-bound pyridoxal 5'-phosphate shows negative circular dichroic extrema, in contrast with other pyridoxal 5'-phosphate acting on L-amino acids.
(16) Whilst the binding of the nucleolin repeat to DNA does not significantly alter its conformation, the binding of H1 repeat induces a very marked DNA condensation, giving rise to a psi(-)-type circular dichroic spectrum.
(17) Circular dichroic (CD) spectra have been obtained and resolved for EGF, several well-characterized chemical and enzymic derivatives, and related low molecular weight model compounds.
(18) Other dichroic beamsplitters efficiently separate two planes of polarization in a narrow wavelength band.
(19) Circular dichroic (CD) and magnetic CD spectra indicate that the first Co2+ binding site is tetrahedral-like and that the second is octahedral-like.
(20) The circular dichroic spectra did not show any basic conformational differences in the backbone peptide chain of oxytocin and vasopressin substances.
Dichromic
Definition:
(a.) Furnishing or giving two colors; -- said of defective vision, in which all the compound colors are resolvable into two elements instead of three.
Example Sentences:
(1) Solutions of sodium dichromate were administered to Sprague Dawley rats by intratracheal instillations over a period of 30 months.
(2) The most frequent sensitizers observed included nickel sulphate, cobalt, Kathon CG, perfumes, potassium dichromate and balsam of Peru.
(3) Potassium dichromate and chromium chloride were analyzed for their ability to induce mitotic gene conversion and point reverse mutation in D7 diploid strain of S. cerevisiae.
(4) The best fixatives for this purpose were formol dichromate, periodate-lysine-paraformaldehyde (PLP) and a novel fixative formed from the addition of a dichromate solution to PLP.
(5) Six patients took dichromate solutions as rectal enemas, 2 were left with impaired renal function and 1 required a permanent colostomy as a result of extensive peri-anal necrosis.
(6) Each of 31 chromate-allergic patients was given one tablet containing 7.1 mg potassium dichromate, plus a placebo tablet.
(7) of solutions of acid potassium dichromate and alkaline potassium chromate.
(8) The coefficient of variation for potassium dichromate after storage at 4 degrees C was 4.6324% and at room temperature 9.6334%.
(9) In vivo administration of sodium dichromate onto the inner shell membrane of 14 day chick embryos resulted in the formation of a persistent chromium(V) species in liver cells (g = 1.987).
(10) Prior to the oral challenge all the patients were patch tested with nickel sulphate, cobalt chloride and potassium dichromate after adhesive tape stripping.
(11) Chromium nitrate and chloride release and that of potassium dichromate was determined and converted to the chromium content in the concentrations used for skin tests.
(12) X-ray micro-analysis of glutaraldehyde-dichromate-fixed sections was used to discriminate noradrenaline-containing nerves.
(13) The mutagenicity of sodium dichromate in the Ames test was decreased as a consequence of chromium(VI) reduction by tissue postmitochondrial (S-9 or S-12) fractions from untreated rats with the following rank of efficiency: liver; kidney; and lung.
(14) In vivo treatment with the drug enhanced detoxication by liver and lung S-12 fractions of direct-acting mutagens (ICR 191, epichlorohydrin, 4-nitroquinolino-N-oxide and dichromate) and counteracted opposite effects triggered by administration of GSH depletors.
(15) Actual rates of macromolecular syntheses have been calculated by taking into account the induced changes of soluble precursor concentrations; sucn normalized rates point out that dichromate induces a sudden blockage of DNA replication, whereas RNA and protein syntheses are secondarily inhibited.
(16) Brucella milk ring tests (BMRT's) were performed on fresh herd milk samples and pooled samples, preserved at a processing factory with potassium dichromate.
(17) These results suggest that dichromate possesses a characteristic dual action on cellular metabolism, which might be related to its metabolic fate.
(18) Most of the oxidants tested (K-dichromate, FeCL3, H2O2, O2, and chloroperbenzoic, ascorbic, performic, and periodic acids) rendered the various myelin constituents less extractable than the constituents of unoxidized control homogenates.
(19) An 18-year-old girl developed acute renal failure 24 hr after ingestion of potassium dichromate.
(20) Dichromate first stimulates and then inhibits nucleoside (mostly thymidine) uptake, whereas amino acid uptake is immediately inhibited.