Recent applications of chemometrics in one‐and two‐dimensional chromatography

TS Bos, WC Knol, SRA Molenaar… - Journal of separation …, 2020 - Wiley Online Library
The proliferation of increasingly more sophisticated analytical separation systems, often
incorporating increasingly more powerful detection techniques, such as high‐resolution …

Quantitative 2D liquid‐state NMR

P Giraudeau - Magnetic Resonance in Chemistry, 2014 - Wiley Online Library
Two‐dimensional (2D) liquid‐state NMR has a very high potential to simultaneously
determine the absolute concentration of small molecules in complex mixtures, thanks to its …

Baseline correction using asymmetrically reweighted penalized least squares smoothing

SJ Baek, A Park, YJ Ahn, J Choo - Analyst, 2015 - pubs.rsc.org
Baseline correction methods based on penalized least squares are successfully applied to
various spectral analyses. The methods change the weights iteratively by estimating a …

Baseline correction using adaptive iteratively reweighted penalized least squares

ZM Zhang, S Chen, YZ Liang - Analyst, 2010 - pubs.rsc.org
Baseline drift always blurs or even swamps signals and deteriorates analytical results,
particularly in multivariate analysis. It is necessary to correct baseline drift to perform further …

An intelligent background‐correction algorithm for highly fluorescent samples in Raman spectroscopy

ZM Zhang, S Chen, YZ Liang, ZX Liu… - Journal of Raman …, 2010 - Wiley Online Library
Fluorescent background is a major problem in recoding the Raman spectra of many
samples, which swamps or obscures the Raman signals. The background should be …

Recursive Segment-Wise Peak Alignment of Biological 1H NMR Spectra for Improved Metabolic Biomarker Recovery

KA Veselkov, JC Lindon, TMD Ebbels… - Analytical …, 2009 - ACS Publications
Chemical shift variation in small-molecule 1H NMR signals of biofluids complicates
biomarker information recovery in metabonomic studies when using multivariate statistical …

[HTML][HTML] The impact of gabapentin administration on brain GABA and glutamate concentrations: a 7T 1H-MRS study

K Cai, RPR Nanga, L Lamprou, C Schinstine… - …, 2012 - nature.com
Gamma-aminobutyric acid (GABA) and glutamate are implicated in numerous
neuropsychiatric and substance abuse conditions, but their spectral overlap with other …

Correcting frequency and phase offsets in MRS data using robust spectral registration

M Mikkelsen, S Tapper, J Near… - NMR in …, 2020 - Wiley Online Library
An algorithm for retrospective correction of frequency and phase offsets in MRS data is
presented. The algorithm, termed robust spectral registration (rSR), contains a set of …

MRS signal quantitation: a review of time-and frequency-domain methods

JB Poullet, DM Sima, S Van Huffel - Journal of Magnetic Resonance, 2008 - Elsevier
In this paper an overview of time-domain and frequency-domain quantitation methods is
given. Advantages and drawbacks of these two families of quantitation methods are …

Machine learning tools formineral recognition and classification from Raman spectroscopy

C Carey, T Boucher, S Mahadevan… - Journal of Raman …, 2015 - Wiley Online Library
Tools for mineral identification based on Raman spectroscopy fall into two groups: those that
are largely based on fits to diagnostic peaks associated with specific phases, and those that …