What's the difference between homogeneity and uniformity?

Homogeneity


Definition:

  • (n.) Same as Homogeneousness.

Example Sentences:

  • (1) The extents of phospholipid hydrolysis were relatively low in brain homogenates, synaptic plasma membranes and heart ventricular muscle.
  • (2) The constitution of chromosomes in the two plasmacytomas remained remarkably stable in their homogeneous modal population.
  • (3) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
  • (4) ASF-II was purified to apparent homogeneity by using concanavalin A-agarose affinity chromatography, DEAE-cellulose chromatography, alumina gel adsorption, and isoelectric focussing techniques.
  • (5) Concentrations of alpha-lactalbumin and alpha s1-casein were measured in media and explant homogenates by radioimmunoassay, as an index of lactogenesis.
  • (6) Further subfractionation disclosed that the acetyltransferase activity was most enriched in the Golgi fraction, in which its specific activity was some ninefold greater than in the total homogenate.
  • (7) Gamma-irradiated splenic homogenates of armadillos infected with M. leprae proved sterile by conventional tests and media.
  • (8) A technique, using Nuclepore polycarbonate membrane filters as a containing medium for very small volumes of ionic standard solutions, to produce homogeneous ice standards is described.
  • (9) In vitro studies showed that BOF-A2 was rapidly degraded to EM-FU and CNDP in homogenates of the liver and small intestine of mice and rats, and in sera of mice, rats and human, and the conversion of EM-FU to 5-FU occurred only in the microsomal fraction of rat liver in the presence of NADPH.
  • (10) Plasma membranes were obtained from a homogeneous population of rabbit red blood cells at different maturation periods.
  • (11) The effect of diethylstilbestrol (DES) on the percent conversion of a 14C-progesterone (14C-P) substrate to 14C-testosterone (14C-T) when added to incubates fo rat testicular homogenates has been measured.
  • (12) While the reduced form of the "derived" polyphenolic compounds, generated during tissue homogenization, appeared to enhance dye binding with bovine serum albumin, their influence on the protein assay directly in crude homogenates was extremely diverse.
  • (13) Enzyme prepared in this manner was homogeneous according to electrophoresis on sodium dodecyl sulfate-polyacrylamide gels and immunoelectrophoresis using antiserum directed against it.
  • (14) In voltage-clamp experiments the ion current flowing through the channels was homogeneous indicating a defined conformation and a uniform size.
  • (15) The inhibitory effect was not due to contaminating rT3 in the liver homogenates.
  • (16) The final preparation was homogeneous and a single polypeptide of 18,000 daltons as judged by SDS-polyacrylamide gel electrophoresis.
  • (17) This enzyme was purified to homogeneity and exhibited an apparent molecular weight of 36,000 on sodium dodecyl sulfate gels and 180,000 on a TSK G-3000SW column in the presence of Triton X-100.
  • (18) Computed tomography (CT) is the most sensitive radiologic study for detecting these tumors, which usually are small, round, sharply marginated, and of homogeneous soft tissue density.
  • (19) Thus, whereas CD3-associated molecules isolated from polyclonal CD3+WT31+ populations (expanded in IL 2 under the same culture conditions) appeared as diffuse bands, CD3-associated molecules isolated from CD3+WT31- populations displayed a homogeneous molecular mass.
  • (20) Although this operational classification does not produce etiologically homogeneous groups, it is believed to have pragmatic utility with respect to planning targeted surveillance and management strategies.

Uniformity


Definition:

  • (n.) The quality or state of being uniform; freedom from variation or difference; resemblance to itself at all times; sameness of action, effect, etc., under like conditions; even tenor; as, the uniformity of design in a poem; the uniformity of nature.
  • (n.) Consistency; sameness; as, the uniformity of a man's opinions.
  • (n.) Similitude between the parts of a whole; as, the uniformity of sides in a regular figure; beauty is said to consist in uniformity with variety.
  • (n.) Continued or unvaried sameness or likeness.
  • (n.) Conformity to a pattern or rule; resemblance, consonance, or agreement; as, the uniformity of different churches in ceremonies or rites.

Example Sentences:

  • (1) On the basis of obtained data on the uniformity of chemical compounds of the secretion of glands belonging to different groups their common origin has been suggested.
  • (2) In voltage-clamp experiments the ion current flowing through the channels was homogeneous indicating a defined conformation and a uniform size.
  • (3) Mendl's candy colours contrast sharply with the gothic garb of our hero's enemies and the greys of the prison uniforms – as well as scenes showing the hotel later, in the 1960s, its opulence lost beneath a drab communist refurb.
  • (4) Another, discussing public attitudes towards the police, said: "I've lost count of [the number of] people who said: 'It's only cos you've got a uniform … if you didn't have the uniform on, I'd come and fuck you and this, that and the other … I hope your wife dies of cancer and your kids die of cancer.'"
  • (5) The cells were taken from cultures in low-density balanced exponential growth, and the experiments were performed quickly so that the bacteria were in a uniform physiological state at the time of measurement.
  • (6) The age distribution was not uniform as age group 0 to 4 included more children than age groups 5 to 9 and 10 to 14.
  • (7) Essential characteristics of the composite bone cement included a homogeneous and uniform fiber distribution, and a minimal increase in apparent viscosity of the polymerizing cement.
  • (8) Ejection fraction, %deltaD, and Vcf by LAO cineangiograms and echo were uniformly higher than corresponding measurements from RAO angio, and were often normal in the presence of other indicators of significant left ventricular dysfunction.
  • (9) The interaction between PE and E-IgG involved the extension of micropseudopods toward adherent E-IgG, the formation of a linear uniform cap of roughly 200 A between opposing cell membranes, the ingestion of E-IgG by PE into a membrane-lined compartment, and the disintegration of the ingested ligand into membranous debris.
  • (10) A study of cell proliferation in different regions of axolotl embryos has shown a rather uniform distribution of the S phase and mitotic indices in the animal half of the early and midgastrulae.
  • (11) The absence of uniform definitions prevents meaningful intersystem comparisons, prohibits explorations of hypotheses about effective interventions, and interferes with the efforts of quality assurance.
  • (12) The beads enable us to examine several aspects of the adhesion process with particles having uniform properties that can be varied systematically.
  • (13) said Wanis Kilani, a uniformed rebel driving a pickup truck with a machine-gun mounted on the back.
  • (14) In contrast, sporoblasts and budding and free sporozoites in mature oocysts were labeled uniformly on the outer surfaces of their plasma membranes, indicating a uniform distribution of CS protein on these membranes.
  • (15) His bracelets and his hair, neatly gathered in a colourful elasticated band, contrast with his unflashy day-to-day uniform of checked shirts, jeans or cheap chinos and trainers.
  • (16) RCA-1, which is specific for D-galactose, showed patchy fluorescence on the basal and distal portions of the outer segments of the cones and rods, whereas neuraminidase-treated sections had uniform fluorescence throughout the tissues.
  • (17) Previous experiments had demonstrated that the receptors for the lectins soybean agglutinin (SBA), wheat germ agglutinin, concanavalin A and Lens culinaris agglutinin all were relatively uniformly distributed on both myoblasts and myotubes, and that SBA receptors were capable of rapid redistribution on myotubes but not myoblasts at 4 degrees C (Sawyer & Akeson, 1983).
  • (18) Hence the aggregation inhibition produced by amphiphilic phenylalkylamines and phenylalkanoles is not due to a uniform metabolic effect of both classes of derivatives.
  • (19) The colors of mixtures of dental opaque porcelains and modifiers were measured with use of the CIE L*a*b* uniform color space.
  • (20) Although there is no reliable symptom or sign during the latent period, abdominal pain occurs almost uniformly and Kehr's sign is quite common.

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