Search Results - "Sârbu Costel"
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Characterization of Clinically Relevant Fungi via SERS Fingerprinting Assisted by Novel Chemometric Models
Published in Analytical chemistry (Washington) (20-02-2018)“…Nonculture-based tests are gaining popularity and upsurge in the diagnosis of invasive fungal infections (IFI) fostered by their main asset, the reduced…”
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Multivariate color scale image analysis – Thin layer chromatography for comprehensive evaluation of complex samples fingerprint
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (30-04-2021)“…•Color scale image procesing approach is proposed in HPTLC fingerprinting analysis.•Contribution of each color scale fingerprint was revealed by chemometric…”
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The impact of the order of derivative spectra on the performance of pattern recognition methods. Classification of medicinal plants according to the phylum
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05-08-2019)“…Data pre-processing is an important strategy in chemometrics and related fields because in many cases the transformation of data has a great effect on the…”
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4
Classification of Romanian medicinal plant extracts according to the therapeutic effects using thin layer chromatography and robust chemometrics
Published in Journal of pharmaceutical and biomedical analysis (30-01-2019)“…[Display omitted] •Medicinal plants were successfully classified according to the therapeutic effect using HPTLC-IA.•Different HPTLC plates and various image…”
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5
Fuzzy characterization and classification of solvents according to their polarity and selectivity. A comparison with the Snyder approach
Published in Journal of liquid chromatography & related technologies (14-06-2020)“…Advanced chemometric methods, such as fuzzy c-means, a semi-supervised clustering method, and fuzzy discriminant analysis, a robust supervised method, have…”
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Application of fuzzy algorithms in conjunction with 1H‐NMR spectroscopy to differentiate alcoholic beverages
Published in Journal of the science of food and agriculture (15-03-2023)“…Background Recent statistics from the European Commission indicate that wine is one of the commodities most commonly subject to food fraud. In this context,…”
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A comprehensive classification of edible oils according to their radical scavenging spectral profile evaluated by advanced chemometrics
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15-04-2019)“…A comprehensive study concerning the characterization and classification of 30 cold-pressed edible oils according to their UV–Vis spectra and radical…”
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Fuzzy characterization and classification of bacteria species detected at single-cell level by surface-enhanced Raman scattering
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15-02-2021)“…[Display omitted] •Fuzzy clustering methods were successfully used for SERS bacteria classification.•On site SERS characterization of bacteria.•The bacteria…”
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Fuzzy Divisive Hierarchical Associative-Clustering Applied to Different Varieties of White Wines According to Their Multi-Elemental Profiles
Published in Molecules (Basel, Switzerland) (26-10-2020)“…Wine data are usually characterized by high variability, in terms of compounds and concentration ranges. Chemometric methods can be efficiently used to extract…”
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Comprehensive evaluation of radical scavenging, reducing power and chelating capacity of free proteinogenic amino acids using spectroscopic assays and multivariate exploratory techniques
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05-06-2020)“…Among others, amino acids can inhibit oxidative processes through multiple pathways including inactivation of reactive oxygen species, scavenging free…”
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Evaluation of polyphenolic fingerprints and antioxidant profiles of wild fruits
Published in International journal of food science & technology (01-06-2016)“…Summary High‐performance thin‐layer chromatography and UV–vis spectrometry, coupled with multivariate exploratory techniques, have been investigated to…”
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12
Quantitative determination of some food dyes using digital processing of images obtained by thin-layer chromatography
Published in Journal of Chromatography A (25-04-2008)“…A high-performance thin-layer chromatographic method combined with image processing of scanned chromatograms was developed for the determination of some food…”
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13
Classification and fingerprinting of kiwi and pomelo fruits by multivariate analysis of chromatographic and spectroscopic data
Published in Food chemistry (15-02-2012)“…► Fingerprinting of some kiwi and pomelo fruits is presented. ► The digitized chromatograms leaded to a better discrimination of the fruits. ► The multivariate…”
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Rapid and effective evaluation of the antioxidant capacity of propolis extracts using DPPH bleaching kinetic profiles, FT-IR and UV–vis spectroscopic data
Published in Journal of food composition and analysis (01-06-2011)“…An informative and effective measure of antioxidant capacity based on DPPH (2,2-diphenyl-1-picrylhydrazyl) bleaching kinetic profiles has been developed using…”
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Assessment of Lipophilicity Indices Derived from Retention Behavior of Antioxidant Compounds in RP-HPLC
Published in Molecules (Basel, Switzerland) (29-03-2017)“…Reverse phase high pressure liquid chromatography was employed in order to evaluate the lipophilicity of antioxidant compounds from different classes, such as…”
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Comprehensive evaluation of antioxidant activity: A chemometric approach using principal component analysis
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (24-01-2014)“…•A novel DPPH assay combined with a chemometric approach was proposed.•Relevant wavelengths for the radical scavenging activity evaluation were selected.•New…”
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Prediction of the fate of Hg and other contaminants in soil around a former chlor-alkali plant using Fuzzy Hierarchical Cross-Clustering approach
Published in Chemosphere (Oxford) (01-11-2015)“…•Fuzzy clustering of the Hg contaminated soil samples and associated characteristics.•Hg fractionation as water leachable, mobile, semi-mobile and non-mobile…”
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Characterization and classification of wines according to geographical origin, vintage and specific variety based on elemental content: a new chemometric approach
Published in Journal of food science and technology (01-12-2019)“…A highly informative chemometric approach using elemental data to distinguish and classify wine samples according to different criteria was successfully…”
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Characterization and classification of medicinal plants according to their antioxidant profile estimated by thin layer chromatography assisted by chemometric expertise
Published in Journal of liquid chromatography & related technologies (03-04-2018)“…This study focuses on the characterization and classification of 42 medicinal plants extracts according to their antioxidant activity. Principal component…”
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ABARC: An agent-based rough sets clustering algorithm
Published in Intelligent systems with applications (01-11-2022)“…•A clustering algorithm using concepts from rough sets theory and software agents.•A method for the discovery of overlapping clusters and outliers (hybrid…”
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