(n.) A resolution of anything, whether an object of the senses or of the intellect, into its constituent or original elements; an examination of the component parts of a subject, each separately, as the words which compose a sentence, the tones of a tune, or the simple propositions which enter into an argument. It is opposed to synthesis.
(n.) The separation of a compound substance, by chemical processes, into its constituents, with a view to ascertain either (a) what elements it contains, or (b) how much of each element is present. The former is called qualitative, and the latter quantitative analysis.
(n.) The tracing of things to their source, and the resolving of knowledge into its original principles.
(n.) The resolving of problems by reducing the conditions that are in them to equations.
(n.) A syllabus, or table of the principal heads of a discourse, disposed in their natural order.
(n.) A brief, methodical illustration of the principles of a science. In this sense it is nearly synonymous with synopsis.
(n.) The process of ascertaining the name of a species, or its place in a system of classification, by means of an analytical table or key.
Example Sentences:
(1) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(2) Renal micropuncture and microdissection techniques with ultramicro fluid analysis have been applied to evaluate single nephron function in the skate, Raja erinacea.
(3) We conclude that first-transit and blood-pool techniques are equally accurate methods for determining EF when the time-activity method of analysis is employed.
(4) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
(5) The combined analysis of pathogenesis and genetics associated with the salmonella virulence plasmids may identify new systems of bacterial virulence and the genetic basis for this virulence.
(6) The analysis is based on the personal experience of the authors with 117 cases and the review of 223 cases published in the literature.
(7) This theory was confirmed by product analysis and by measuring the affinity of the substrate for the enzyme by its inhibition of p-nitrophenyl glucoside hydrolysis.
(8) Western blot analysis of these mitochondria using an antibody against carnitine palmitoyltransferase II purified from beef heart demonstrates a 68-kDa protein, which under ischemic conditions apparently is decreased by 2 kDa.
(9) Size analysis of the solubilized IgA IP employing sucrose density gradient ultracentrifugation, indicated that these were heterogeneous, with a size generally larger than 19 S.
(10) Historical analysis shows that institutions and special education services spring from common, although not identical, societal and philosophical forces.
(11) Amino acid sequence analysis showed that both peaks had identical N-terminal sequences through the first 28 residues.
(12) Further analysis with two other synthetic peptides (212Cys to 222Glu and Cys X 221Ile to 236Glu) indicated that the dodecapeptide Ile-Glu-Phe-Gln-Lys-Asn-Asn-Arg-Leu-Leu-Glu mimicked either the whole or a major part of the neutralization epitope.
(13) We have developed a new procedure for the rapid preparation of undegraded total RNA from cultured cells for specific quantitation by dot blotting analysis.
(14) Twelve families with Wiskott-Aldrich syndrome (WAS) were studied by linkage analysis using 10 polymorphic marker loci from the X-chromosome pericentromeric region.
(15) Analysis revealed some significant differences in the false-positive rate, depending on the test method used or virus samples evaluated.
(16) The difference in HDL and HDL2 cholesterol concentrations between the MI+ and MI- groups or between the MI+ and CHD- groups persisted after adjustment by analysis of covariance for the effect of physical activity, alcohol intake, obesity, duration of diabetes, and glycemic control.
(17) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
(18) Immunofluorescence analysis of Pr-28 antigen showed that the antigen was localized mainly in perinuclear cytoplasm.
(19) The main result of the correspondence analysis is a geometric map of this relationship showing how the relative frequencies of headache types change with age.
(20) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
Spectroscopy
Definition:
(n.) The use of the spectroscope; investigations made with the spectroscope.
Example Sentences:
(1) Blood samples were analysed by mass spectroscopy and gas chromatography.
(2) The acetonitrile extract is concentrated and analyzed by HPLC, using a new polymer-based column, and detected by UV spectroscopy at 270 nm.
(3) 1H NMR spectroscopy has been used to characterize these proteins and to compare them to one another and to native antithrombin III.
(4) This result was confirmed by atomic absorption spectroscopy, which indicated a stoicheiometry for copper and manganese of approx.
(5) Therefore, 31P MR spectroscopy may be unable to quantify the cell fraction of a tumor that has radiobiologic hypoxia.
(6) The conformations of each peptide in various solvents were determined by CD and ir spectroscopy in order to relate immunological to structural properties.
(7) Fourier transform infrared (FTIR) spectroscopy was used to examine the effect of oxysterol insertion into normal and sickle RBC membranes and the total lipid extracts of the membranes.
(8) 500-MHz H-NMR spectroscopy of the oligosaccharides derived from gamma-seminoprotein, a human seminal plasma glycoprotein, revealed considerable microheterogeneity both with respect to the degree of branching and with regard to the peripheral sugars.
(9) The conformations of cysteamine, thiazolidine, and thiazolidine-4-carboxylic acid were determined in aqueous solutions using NMR spectroscopy.
(10) As monitored by in vivo near-infrared spectroscopy (NIR), no improvement was noted after 50% O2 whereas 50% O2-5% CO2 resulted in increased perfusion, an oxidation of cytochrome a,a3, an increase in oxyhemoglobin, and reduced quantities of de-oxyhemoglobin (p less than 0.01) despite a further increase in intracranial pressure.
(11) Secondary structural features of bovine amelogenin, a hydrophobic protein of developing enamel implicated in ename mineralization, are derived using 2D NMR spectroscopy in solution and molecular mechanics-dynamics studies.
(12) In this critical review of human in vivo nuclear magnetic resonance (NMR) spectroscopy, the questions of which chemical species can be detected and with what sensitivity, their biochemical significance, and their potential clinical value are addressed.
(13) The Helical structures of d(C-G-C-A-m5C-G-T-G-m5C-G), d(m5C-G-C-A-m5C-G-T-G-C-G) and d(C-2aminoA-C-G-T-G) were studied in aqueous solution at various salt concentrations and temperatures by 1H-NMR spectroscopy.
(14) spectroscopy for the collection of conformational constraints, calculation of the protein structure from the n.m.r.
(15) A new method for continuous registration of enzymatic hydrolysis of peptides involving 1H-NMR spectroscopy was developed.
(16) 1H-NMR spectroscopy has been used to study the conformation and dynamics of the isolated tailpiece from human serum immunoglobulin M, a 22-residue peptide containing a single asparagine glycosylation site.
(17) Ion cyclotron resonance spectroscopy yields information on many aspects of ion-molecule chemistry.
(18) Results obtained from a such study are here compared with levels obtained from a comparative determination of the metals in the mosses by three other techniques: Differential pulse anodic stripping voltammetry (DPASV), Direct current plasma (atomic emission) spectroscopy (DCPS) and X-ray fluorescence (XRF) spectroscopy.
(19) Reports in the past two years have appeared evaluating the clinical use of phosphorus spectroscopy to detect ischemic heart disease, cardiomyopathy, and cardiac transplant rejection.
(20) The three-dimensional solution structure of a zinc finger nucleic acid binding motif has been determined by nuclear magnetic resonance (NMR) spectroscopy.