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Advanced Search Results For "DISCRIMINANT analysis"

1 - 10 of 41,630 results for
 "DISCRIMINANT analysis"
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Surface-enhanced Raman spectroscopy (SERS) for monitoring colistin-resistant and susceptible E. coli strains.

Publication Type:Academic Journal

Source(s):Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy [Spectrochim Acta A Mol Biomol Spectrosc] 2022 Oct 05; Vol. 278, pp. 121315. Date of Electronic Publication: 2022 May 03.

Abstract:The emergence of drug-resistant bacteria is a precarious global health concern. In this study, surface-enhanced Raman spectroscopy (SERS) is used to characterize colistin-resistant and susceptible E. coli strains based on their distinguished SERS spect...

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Diagnosing molecular subtypes of breast cancer by means of Raman spectroscopy.

Publication Type:Academic Journal

Source(s):Lasers in surgery and medicine [Lasers Surg Med] 2022 Oct; Vol. 54 (8), pp. 1143-1156. Date of Electronic Publication: 2022 Jul 05.

Abstract:Objectives: Raman spectroscopy has been used to discriminate human breast cancer and its different tumor molecular subtypes (luminal A, luminal B, HER2, and triple-negative) from normal tissue in surgical specimens.Materials and Methods: Breast cancer ...

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Development of a SERS based cancer diagnosis approach employing cryosectioned thyroid tissue samples on PDMS.

Publication Type:Academic Journal

Source(s):Nanomedicine : nanotechnology, biology, and medicine [Nanomedicine] 2022 Aug; Vol. 44, pp. 102577. Date of Electronic Publication: 2022 Jun 15.

Abstract:An efficient SERS based novel analytical approach named Cryosectioned-PDMS was developed systematically and evaluated applying on 64 thyroid biopsy samples. To utilize thyroid biopsy samples, a 20-μl volume of h-AgNPs suspension was dropped on a 5-μm t...

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Classification of local diesel fuels and simultaneous prediction of their physicochemical parameters using FTIR-ATR data and chemometrics.

Publication Type:Academic Journal

Source(s):Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy [Spectrochim Acta A Mol Biomol Spectrosc] 2022 Oct 15; Vol. 279, pp. 121451. Date of Electronic Publication: 2022 May 31.

Abstract:Class identification and prediction of physicochemical variables of eight diesel fuel brands collected from several stations within the Atlanta metropolitan area in the State of Georgia were investigated using principal component analysis (PCA), partia...

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Modeling method and miniaturized wavelength strategy for near-infrared spectroscopic discriminant analysis of soy sauce brand identification.

Publication Type:Academic Journal

Source(s):Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy [Spectrochim Acta A Mol Biomol Spectrosc] 2022 Sep 05; Vol. 277, pp. 121291. Date of Electronic Publication: 2022 Apr 25.

Abstract:The identification of soy sauce brands can avoid adulteration and fraud, which is meaningful for food safety screening. Using visible and near-infrared (Vis-NIR) spectroscopy combined with k-nearest neighbor (kNN), the four-category discriminant models...

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Differentiation of bee pollen samples according to the betaines and other quaternary ammonium related compounds content by using a canonical discriminant analysis.

Publication Type:Academic Journal

Source(s):Food research international (Ottawa, Ont.) [Food Res Int] 2022 Oct; Vol. 160, pp. 111698. Date of Electronic Publication: 2022 Jul 20.

Abstract:In the last years, an increase has been observed in the adulteration of bee pollen. Consequently, different tools are required to authenticate the origin of this product, such as a study of the profile and composition of a specific family of compounds....

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Screening method for the rapid detection of diethylene glycol in beer based on chemometrics and portable near-infrared spectroscopy.

Publication Type:Academic Journal

Source(s):Food chemistry [Food Chem] 2022 Oct 15; Vol. 391, pp. 133258. Date of Electronic Publication: 2022 May 20.

Abstract:A recent case of contamination of some batches of a Brazilian beer brand with diethylene glycol (DEG) had great repercussion, resulting in at least seven deaths. In this article, a direct method was developed for the rapid detection of DEG in beer samp...

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Improved multi-class discrimination by Common-Subset-of-Independent-Variables Partial-Least-Squares Discriminant Analysis.

Publication Type:Academic Journal

Source(s):Talanta [Talanta] 2021 Nov 01; Vol. 234, pp. 122595. Date of Electronic Publication: 2021 Jun 15.

Abstract:In this study, a new PLS-DA modelling approach for multi-class discriminant analysis, called Common-Subset-of-Independent-Variables Partial-Least-Squares Discriminant Analysis is proposed and evaluated. Because in this method Partial-Least-Squares mode...

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A fast and low-cost approach for the discrimination of commercial aged cachaças using synchronous fluorescence spectroscopy and multivariate classification.

Publication Type:Academic Journal

Source(s):Journal of the science of food and agriculture [J Sci Food Agric] 2022 Aug 30; Vol. 102 (11), pp. 4918-4926. Date of Electronic Publication: 2022 Mar 24.

Abstract:Background: Cachaça is the distilled beverage typical of Brazil and can be subjected to the aging process in wooden barrels. In addition to oak barrels, cachaça is also aged in barrels of different Brazilian native woods, resulting in a wide variety of...

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Physical activity spectrum discriminant analysis-A method to compare detailed patterns between groups.

Publication Type:Academic Journal

Source(s):Scandinavian journal of medicine & science in sports [Scand J Med Sci Sports] 2021 Dec; Vol. 31 (12), pp. 2333-2342. Date of Electronic Publication: 2021 Sep 23.

Abstract:Investigating physical activity (PA) patterns as a detailed intensity spectrum instead of crude intensity categories have improved the ability to analyze the relationship between measured PA and health variables. The aim of this methodological study wa...

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