(n.) The act or process of condensing or of being condensed; the state of being condensed.
(n.) The act or process of reducing, by depression of temperature or increase of pressure, etc., to another and denser form, as gas to the condition of a liquid or steam to water.
(n.) A rearrangement or concentration of the different constituents of one or more substances into a distinct and definite compound of greater complexity and molecular weight, often resulting in an increase of density, as the condensation of oxygen into ozone, or of acetone into mesitylene.
Example Sentences:
(1) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
(2) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.
(3) The propionyl-CoA condensing enzyme which catalyzes the first step in the biosynthesis of 2-methylbutyrate and 2-methylvalerate by Ascaris muscle appears to exist in at least three forms in the mitochondria of this parasitic nematode.
(4) Because the contour length of these loops was proportionate to the DNA content of the superinfecting lambda phage, it was concluded that the fibers contained DNA condensed 6.5-fold in blocks of about 250 base pairs.
(5) Allyl 4-O-benzyl-alpha-L-rhamnopyranoside was converted into allyl 4-O-benzyl-3-O-methyl-alpha-L-rhamnopyranoside and this was condensed with 2,3,4-tri-O-acetyl-alpha-L-rhamnopyranosyl chloride to give a disaccharide derivative which was converted into allyl 4-O-benzyl-2-O-(2,3-O-isopropylidene-alpha-L-rhamnopyranosyl)-3-O-methyl -alpha- L-rhamnopyranoside.
(6) Moderately dense fragments are interpreted as originating from dying cells in which the cytoplasm is undergoing condensation.
(7) In the scope of our research about the antimicrobial activity of aldehyde-amin-condensates a number of partly new unsymmetrically substituted animals was synthesized by reaction of formaldehyde with different secondary amines.
(8) They are thought to represent condensations of dense bodies in degenerating tumor cells.
(9) The blood lymphocytes were small with scanty cytoplasm, densely condensed nuclear chromatin, and deep clefts originating in sharp angles from the nuclear surface.
(10) The 2-substituted phenoxy-6-methoxy-8-aminoquinolines (4-6) were afforded by reduction of the corresponding 8-nitroquinolines (1-3) which were obtained by condensation of 2-chloro-6-methoxy-8-nitroquinoline and substituted phenols.
(11) Both main-stream and side-stream cigarette smoke condensates and some fractions, containing water-soluble bases, water-insoluble bases, and polycyclic aromatic hydrocarbons, were found to induce AHH activity in lung and liver, the lung being induced to the greatest extent.
(12) Ultrastructurally, transgenic domains were often intimately connected with constitutive heterochromatin and were highly condensed.
(13) This paper describes a new method of condensation (focusing) of extended volumes of mixtures of proteins (or other ampholytes) into an isoelectric spectrum of discrete zones located at points of a pH gradient corresponding to the pI value of the individual proteins.
(14) 4, 323-340, 1978) has a ts defect in its regulatory mechanism for the initiation of chromosome condensation, the so-called, premature chromosome condensation (PCC) being induced at a nonpermissive temperature (Nishimoto, T. et al.
(15) Chemical analysis of the smoke concensate of bidis and cigarettes showed that condensate from bidis had a higher benzo[a]pyrene level than was observed in cigarette smoke condensate, when compared on the basis of the mass (mg) burnt.
(16) On very rare occasions there is missorting such that aggregates of condensed secretory proteins and viruses occur together in post-Golgi vesicles.
(17) The reductions are carried out at the nanogram to microgram level with borane, reacting the solid sample with condensed reagent vapor.
(18) These data suggest that the main route for the formation of the carbon skeleton of aspartate was by a C(3) plus C(1) condensation, with the C(3) unit derived from the isopropyl carbons of valine and the C(1) unit probably from carbon dioxide.
(19) Once an apical hard tissue barrier is formed, a permanent root canal filling can be safely condensed.
(20) While the antiserum against gamma 3-MSH labelled all the secretory granules including intrasaccular condensations in the Golgi apparatus, antisera against alpha-MSH only labelled extra-Golgi secretory vesicles (SV).
Precipitation
Definition:
(n.) The act of precipitating, or the state of being precipitated, or thrown headlong.
(n.) A falling, flowing, or rushing downward with violence and rapidity.
(n.) Great hurry; rash, tumultuous haste; impetuosity.
(n.) The act or process of precipitating from a solution.
Example Sentences:
(1) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
(2) The Fc fragment of this protein reacted with and was solubilized by the staphylococcal A protein which also precipitated the intact immunoglobulin.
(3) It could be demonstrated by radioimmune precipitation of virus labeled with[35S]methionine that all three polypeptides are specific for hog cholera virions.
(4) Nine of the in vivo synthesized early polypeptides can be precipitated specifically from infected cell extracts by antisera with specificity against early adenovirus proteins.
(5) Its pathogenesis, still incompletely elucidated, involves the precipitation of immune complexes in the walls of the all vessels.
(6) The usefulness of the proposed method is obvious in cases where the composition of a precipitate on LM scale is to be compared with the LM appearance of the surrounding tissue.
(7) After precipitation of plasma proteins by addition of methanol the samples are injected directly into the liquid chromatographic system.
(8) Thus Sephadex chromatography of the solution obtained by dissolving the antigen-antibody precipitate in these media repeatedly gave two peaks corresponding to anti-ovalbumin and ovalbumin.
(9) When AMT administration was discontinued 40 hrs before precipitation of withdrawal the withdrawal pattern occurred with unchanged intensity.
(10) Using a simple precipitation technique we observed that the serum concentrations of low density lipoproteins in healthy Africans were less than half the serum concentrations in healthy Europeans.
(11) There was no correlation between anti-TNP-precipitating antibody titer after sensitization and the ability to respond to challenge by hapten-heterologous carrier.
(12) Precipitating antibodies were found in both lines; they first appeared 7 days after inoculation in P-line birds and 14 days after inoculation in N-line birds, but thereafter there was no difference between the two genetic lines.
(13) The new technique, Surface Immune Precipitation (SIP), entails the application of an antigen sample droplet directly onto the surface of a gel containing antibody, the gel being supported by a reflecting substrate.
(14) In this study we have compared purified C4A and C4B with regard to their ability to prevent immune complex precipitation and to enhance the binding of both preformed and nascent immune complexes to the receptor CR1 on red cells.
(15) A lesser inhibitory effect (a decrease in the rate of precipitation) was observed when gallbladder bile was diluted but was lost after 10-fold dilution.
(16) The first step is the preparation of a globulin-enriched fraction by precipitation with ammonium sulfate at 50% saturation, or of an immune-complex-enriched fraction by precipitation with 5% polyethylene glycol 6000.
(17) DNase I microspheres were then introduced into the extracorporeal circuit which resulted in an acceleration of degradation of acid precipitable 125I-nDNA.
(18) The dramatic nationwide increase of primary and secondary syphilis in women has precipitated a dramatic rise in congenital syphilis.
(19) The translation of mRNA for S-adenosylmethionine decarboxylase was studied using a polyamine-depleted reticulocyte lysate supplemented with mRNA from rat prostate and the antiserum to precipitate the proteins corresponding to S-adenosylmethionine decarboxylase.
(20) Only heart rate correlated closely with the precipitation of angina.