What's the difference between amplifier and scalar?

Amplifier


Definition:

  • (n.) One who or that which amplifies.

Example Sentences:

  • (1) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
  • (2) We have investigated the increase in the spcDNA population upon cycloheximide treatment of individual sequences, which are found to amplify differentially.
  • (3) We conclude that only one of the alleles was amplified and that either allele could be amplified with respect to both the SphI and PvuII polymorphisms.
  • (4) RNA preparations were reverse-transcribed, amplified by a polymerase chain reaction (PCR), and separated by electrophoresis.
  • (5) It was previously demonstrated that multidrug-resistant Chinese hamster cell lines contain an amplified, transcriptionally active DNA sequence designated mdr.
  • (6) Chloroquine increased the binding of 125I-labeled insulin to rat hepatoma cells (R-Y121B) at 4 degrees C. The effect of chloroquine on insulin binding was amplified at 23 degrees C, and a large increase in cell-associated radioactivity was observed.
  • (7) Overexpression of asparagine synthetase in beta-aspartyl hydroxamate-resistant lines without amplified copies of the gene was also correlated with DNA hypomethylation.
  • (8) (iii) The insertion plasmid pRSD102(R388::Tn1721) has conserved the capacity of the original plasmid pRSD1 to amplify the 3.55 Mdal-tet region.
  • (9) To identify the molecular defect in a patient with the intermediate form of the disease, arylsulfatase B mRNA from his fibroblasts was reverse-transcribed, amplified by the polymerase chain reaction, and subcloned.
  • (10) In addition to the fatigue tester and the pulse duplicator, a signal conditioner, a DC amplifier, an analog-to-digital converter, and a digital microcomputer comprised the essential hardware.
  • (11) The sensitivity of a PCR system to amplify the long terminal repeat (LTR) sequence of HIV-1 was not affected by the irradiation procedure; however, the ultimate sensitivity of a PCR system for the amplification of an early gene promotor sequence of the CMV genome was reduced 1000-fold.
  • (12) Thus MTX combined with PALA selected cells with an 'amplificator' phenotype (an increased ability to amplify parts of the genome).
  • (13) HDV cDNA was then directly amplified with Taq polymerase using three pairs of specific primers.
  • (14) As an extension to the variety of existing techniques using polymorphic DNA markers, the Random Amplified Polymorphic DNA (RAPD) technique may be used in molecular ecology to determine taxonomic identity, assess kinship relationships, analyse mixed genome samples, and create specific probes.
  • (15) cDNA was prepared by reverse transcription of peripheral blood mRNA and amplified by the polymerase chain reaction (PCR) using primers corresponding to sequences 400 bp apart on the cDNA, spanning the last three exons (X, Y, Z) of the beta-Sp gene.
  • (16) Whether we would use that to support and amplify the community ideals already present or go the way of gentrification remained to be seen.
  • (17) Optimum specific amplification resulted when the primer annealing temperature was 60 degrees C. The gene fragment was amplifiable in 25 different Brucella species and strains.
  • (18) The action of exogenous etiologic agents is usually mediated in part or amplified by endogenous mediators that very often exert biphasic, i.e., damaging and protective, effects.
  • (19) By using primer 1 (5'-AAAGAATTCATGGAATCCAGGATCTG-3', upstream nucleotides 157 to 2877), primer 2 (5'-AAAGAATTCATGAACGTGAAGGAATCG-3', upstream nucleotides 1846 to 2877), and primer 4(5'-ATAAAGCTTAATCAGACGTTCTCTTCTTC-3', downstream nucleotides 157 to 2877 and 1846 to 2877), the HCMV B gene code region sequence and its glycoprotein 52 kd antigenic domain sequence were amplified from the recombinant plasmid pBH1 DNA containing the HCMV B gene.
  • (20) The PCR amplified a 375-bp DNA fragment which was cloned and sequenced; the deduced amino acid sequence had significant identity with known TS sequences, including strict conservation of all phylogenetically invariant TS amino acid residues.

Scalar


Definition:

  • (n.) In the quaternion analysis, a quantity that has magnitude, but not direction; -- distinguished from a vector, which has both magnitude and direction.

Example Sentences:

  • (1) Scalar electrocardiograms contain a great deal of vectorial data.
  • (2) The cumulative radiation effect (CRE) is one of several empirical scalar descriptions of biological effect which enable corrections to be made for gaps in radiotherapy treatment.
  • (3) Light scatter from epithelial cells in a slit-scan flow system is modeled using the Fraunhofer condition of scalar diffraction theory.
  • (4) The mechanical response is shown in terms of displacements, principal strains, and a new measure called the 'mechanical intensity scalar'.
  • (5) The waveform analysis employed by the program considers the vectorcardiogram as a three dimensional entity rather than as scalar or planar representations.
  • (6) Scalar couplings from correlated experiments and interproton distances from NOESY experiments at short mixing times have been used to determine glycosidic angles, sugar puckers, and other conformational features.
  • (7) A positive R wave in lead aVR of the scalar ECG and poor R wave progression in the precordial leads were more common in Group A than in Group B (p less than 0.001 and p less than 0.001, respectively).
  • (8) There was no statistically significant difference between the means of the measured values of the polarcardiogram and of the corresponding polar components calculated from the three scalar ECG concerning all twenty items, namely spatial magnitude, magnitudes in each plane, each longitude and latitude at the time of the spatial maximum QRS and T vectors, except alpha-longitude.
  • (9) Some commonly used parametric and non-parametric statistical procedures (such as Students t-test, linear regression, Mann-Whitney and Wilcoxon tests) illustrate the use of scalars.
  • (10) Two-dimensional scalar correlated spectroscopy (COSY), two-dimensional dipolar correlated spectroscopy (NOESY) and two-dimensional relayed coherance transfer spectroscopy (RCT) experiments were recorded, allowing most resonances arising from the aromatic and methyl-containing residues to be assigned in the spectrum.
  • (11) The patients were followed up serially by means of scalar electrocardiograms and 24 hour Holter monitoring studies.
  • (12) Since 1979 the quality control design proposed by the Italian ad hoc Committee has evaluated several lyophilized preparations with scalar receptor content; this permits the identification by linear regression analysis of systematic and non systematic errors.
  • (13) The 1H-1H scalar coupling observed in both the 2H and 1H NMR spectra was used to assign definitively the resonances of labeled species.
  • (14) In the 32 postinfarction patients the "P-terminal force" was also measured from lead V1 of the scalar electrocardiogram.
  • (15) This in turn causes the transverse relaxation rate for the 199Hg spin-coupled methyl protons to be fast due to efficient relaxation by another mechanism, scalar relaxation of the second kind.
  • (16) We report our experience of the use of a scalar type incision associated with a total skin graft in the treatment of recurrences of Dupuytren's contracture.
  • (17) From this comparison, we conclude that scalar exchange does not make a significant contribution to the spin-lattice relaxation of YD.
  • (18) A penalty function for scalar coupling constants has been applied in molecular dynamics simulations as an experimental constraint.
  • (19) The observation of a splitting of the PCr 31P resonance in aqueous solutions containing D2O has been recently ascribed to proton scalar coupling but was described earlier in an underappreciated report [Kupriyanov et al.
  • (20) Membrane depolarization observed in the presence of ferricyanide reduction by plasma membranes of whole cells or tissues or the lag period between ferricyanide reduction and medium acidification argue that only scalar protons may be involved.