Search Results - "Tauler, Romà"
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Multivariate Curve Resolution: 50 years addressing the mixture analysis problem – A review
Published in Analytica chimica acta (08-02-2021)“…Multivariate Curve Resolution (MCR) covers a wide span of algorithms designed to tackle the mixture analysis problem by expressing the original data through a…”
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Multivariate curve resolution of multiway data using the multilinearity constraint
Published in Journal of chemometrics (01-02-2021)“…The extension of Multivariate Curve Resolution‐Alternating Least Squares (MCR‐ALS) to the analysis of multiway data using the multilinearity constraint is…”
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Comparison of the variable importance in projection (VIP) and of the selectivity ratio (SR) methods for variable selection and interpretation
Published in Journal of chemometrics (01-10-2015)“…This study compares the application of two variable selection methods in partial least squares regression (PLSR), the variable importance in projection (VIP)…”
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ROIMCR: a powerful analysis strategy for LC-MS metabolomic datasets
Published in BMC bioinformatics (17-05-2019)“…The analysis of LC-MS metabolomic datasets appears to be a challenging task in a wide range of disciplines since it demands the highly extensive processing of…”
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Vibrational spectroscopic image analysis of biological material using multivariate curve resolution–alternating least squares (MCR-ALS)
Published in Nature protocols (01-02-2015)“…Chemical compositional information can be extracted from Raman and infrared microscopic images by MCR-ALS. The algorithm finds the spectral profiles of…”
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Flexible Implementation of the Trilinearity Constraint in Multivariate Curve Resolution Alternating Least Squares (MCR-ALS) of Chromatographic and Other Type of Data
Published in Molecules (Basel, Switzerland) (05-04-2022)“…Multivariate Curve Resolution Alternating Least Squares (MCR-ALS) can analyze three-way data under the assumption of a trilinear model using the trilinearity…”
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Data analysis strategies for targeted and untargeted LC-MS metabolomic studies: Overview and workflow
Published in TrAC, Trends in analytical chemistry (Regular ed.) (01-09-2016)“…•Data analysis is the “bottleneck” of metabolomic LC-MS studies.•Huge amounts of data are produced by LC-MS metabolomics.•LC-MS data analysis strategies vary…”
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Flexible Trilinearity Alignment (FTA) and Shift Invariant Transformation (SIT) Constraints in Three‐Way Multivariate Curve Resolution Data Analysis
Published in Journal of chemometrics (01-11-2024)“…ABSTRACT In this work, two alternative ways of analyzing three‐way data with multivariate curve resolution alternating least squares (MCR‐ALS) using the…”
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Uniqueness and rotation ambiguities in Multivariate Curve Resolution methods
Published in Chemometrics and intelligent laboratory systems (15-10-2011)“…The presence of rotation ambiguities and unique solutions in Multivariate Curve Resolution (MCR) chemometric methods is discussed in detail. Using recently…”
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An untargeted lipidomic strategy combining comprehensive two-dimensional liquid chromatography and chemometric analysis
Published in Journal of Chromatography A (21-09-2018)“…•An LC × LC–MS/MS-based approach is proposed to untargeted lipidomics analysis.•ROIMCR strategy retrieved all relevant information from LC × LC–MS complex…”
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Chemometrics and intelligent laboratory systems Analytica Chimica Acta
Published in Analytica chimica acta (01-09-2024)Get full text
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Application of Multivariate Curve Resolution Alternating Least Squares (MCR-ALS) to remote sensing hyperspectral imaging
Published in Analytica chimica acta (31-01-2013)“…This article summarizes the use of the MCR-ALS method as a powerful tool for the resolution of hyperspectral images on their constituents. Non-negativity,…”
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Organic micropollutants in coastal waters from NW Mediterranean Sea: Sources distribution and potential risk
Published in Environment international (01-10-2012)“…This study provides a first estimation on the sources, distribution and risk of organic micropollutants (OMPs) in coastal waters from NW Mediterranean Sea…”
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Untargeted Comprehensive Two-Dimensional Liquid Chromatography Coupled with High-Resolution Mass Spectrometry Analysis of Rice Metabolome Using Multivariate Curve Resolution
Published in Analytical chemistry (Washington) (18-07-2017)“…In this work, a new strategy for the chemometric analysis of two-dimensional liquid chromatography–high-resolution mass spectrometry (LC × LC–HRMS) data is…”
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Application of chemometric methods to the analysis of multimodal chemical images of biological tissues
Published in Analytical and bioanalytical chemistry (01-08-2020)“…Current histology techniques, such as tissue staining or histochemistry protocols, provide very limited chemical information about the tissues. Chemical…”
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Evaluation of changes induced in rice metabolome by Cd and Cu exposure using LC-MS with XCMS and MCR-ALS data analysis strategies
Published in Analytical and bioanalytical chemistry (01-11-2015)“…The comprehensive analysis of untargeted metabolomics data acquired using LC-MS is still a major challenge. Different data analysis tools have been developed…”
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N‐BANDS: A new algorithm for estimating the extension of feasible bands in multivariate curve resolution of multicomponent systems in the presence of noise and rotational ambiguity
Published in Journal of chemometrics (01-03-2021)“…A new algorithm named N‐BANDS has been developed for the estimation of the combined effect of noise and rotational ambiguity in the bilinear decomposition of…”
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Exploring the pyrolytic degradation of seventeen phthalate esters using the non-targeted regions of interest-multivariate curve resolution (ROIMCR) chemometric method
Published in Microchemical journal (01-12-2024)“…[Display omitted] •Pyrolysis-GC-Orbitrap-MS as a plastic waste reactor simulator.•PAEs degradation behavior studied at different temperatures.•Non-targeted…”
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Application of the area correlation constraint in the MCR-ALS quantitative analysis of complex mixture samples
Published in Analytica chimica acta (29-05-2020)“…The application of the recently developed area correlation constraint in Multivariate CurveResolution–Alternating Least Squares (MCR-ALS) for the quantitative…”
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Regions of Interest Multivariate Curve Resolution Liquid Chromatography with Data-Independent Acquisition Tandem Mass Spectrometry
Published in Analytical chemistry (Washington) (16-05-2023)“…New data-independent acquisition (DIA) modes coupled to chromatographic separations are opening new perspectives in the processing of massive mass…”
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