(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).
Spectroscope
Definition:
(n.) An optical instrument for forming and examining spectra (as that of solar light, or those produced by flames in which different substances are volatilized), so as to determine, from the position of the spectral lines, the composition of the substance.
Example Sentences:
(1) The structures of 1 and 2 were established mainly on the basis of nmr spectroscopic data.
(2) The electron spectroscopic diffraction (ESD) mode of operation of an energy-filtering electron microscope offers the possibility of being able to avoid the background from inelastic scattering in selected-area electron diffraction patterns.
(3) This paper describes the combined use of energy calculations and spectroscopic data for the determination of peptide conformations in solution.
(4) The signals after lyophilization reflect biochemical differences between tumour and muscle; spectroscopic data indicate that it is feasible to determine the molecular basis of these differences.
(5) High resolution proton NMR spectroscopic analysis of urine also revealed resonances from several metabolites of hydrazine, an N-acetylcysteine conjugate of allyl alcohol, and acetamide as a metabolite of thioacetamide after dosing with the respective compounds.
(6) Tissue specimens of poisoned people were analysed for total mercury contents using the flameless atomic absorption spectroscopic technique.
(7) Based on its spectroscopic characteristics and X-ray crystallographic analysis of its bis-(1S)-(-)-camphanate, the structure of depudecin was determined to be (2R,3S,4S,5E,7S,8S,9R)-2,9- dihydroxy-3,4;7,8-diepoxy-undeca-5,10-diene.
(8) A recently developed rf echo planar imaging method has been modified to rapidly generate spectroscopic information along one in-plane axis and spatial information along the other.
(9) The interaction of berberine chloride with natural and synthetic DNAs of differing base composition and sequences was followed by various spectroscopic and viscometric studies.
(10) Electron energy-loss spectroscopic element-distribution images are acquired from cytochemical reaction products in a variety of cellular objects: (1) colloidal thorium particles in extra-cellular coat material, (2) iron-containing ferritin particles in liver parenchymal cells, (3) barium-containing reaction products in endoplasmic reticulum stacks, (4) elements present in lysosomal cerium- and barium-containing precipitates connected with acid phosphatase (AcPase) or aryl sulphatase (AS) enzyme activity.
(11) The process of decay of X1 to FMN involved another intermediate X1' with spectroscopic characteristics rather similar to those of FMN.
(12) A comparison study of nmr and cd spectra of quadrigemine C and hodgkinsine [3], a trimeric pyrrolidinoindoline substance, led us to suggest the stereochemistry of quadrigemine C. The structure and configuration of psycholeine was determined by spectroscopic means and chemical correlation with quadrigemine C. Psycholeine interacts with somatostatin receptors and exhibits a somatostatin antagonistic activity on GH secretion by pituitary cells in primary culture.
(13) Derivatives of the oligomer [d(GGAATTCC)]2 with 5' (5'-P), 3' (3'-P) and both 5' and 3' (5',3'-P2) terminal phosphate groups have been synthesized and studied by temperature dependent UV and NMR spectroscopic methods.
(14) Mössbauer spectroscopic studies of whole cells of Pseudomonas aeruginosa, grown under different conditions, indicate that the predominant form of iron in the cells varies significantly.
(15) The structures of the new compounds were determined by chemical and spectroscopic methods, including two-dimensional nuclear magnetic resonance (2D NMR) techniques, especially 1H-detected heteronuclear multiple-bond multiple-quantum coherence.
(16) Upon fluorescence spectroscopic examination, the enzyme from melanoma was shown to contain flavin adenine dinucleotide as previously shown in the enzymes from E. coli and rat liver.
(17) The structures were deduced from spectroscopic properties, especially from extensive NMR studies.
(18) They are calibrated or tested against a large body of experimental data, including extended basis set ab initio, quantum mechanical calculations, nuclear magnetic resonance spectroscopic data and dipole moment data for di- and oligopeptides, characteristic ratio data for random coil homopolypeptides, extensive data from peptide solubility studies, and experimental structures of polyalanine fibres and globular proteins.
(19) The structure of the sesquiterpene was determined spectroscopically and confirmed by chemical synthesis.
(20) The value of the torsional modulus obtained from this analysis, C = 3.4 X 10(-19) erg cm, is from 10 to 40% larger than that estimated by others and more than twice as large as the values obtained from fluorescence depolarization or other time-resolved spectroscopic measurements.