Enhanced Fingerprinting Strategy for Rapid and Accurate Quantitative Source and Contaminant Apportionment via Online SPE-UHPLC-QTOF-MS.
Sign Up to like & getrecommendations! Published in 2025 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.5c03642
Abstract: This study refined the nontarget fingerprinting approach for accurate source apportionment by combining online solid-phase extraction with liquid chromatography-quadrupole time-of-flight mass spectrometry in data-independent acquisition mode, enabling both source concentration estimation and compound-level attribution. We… read more here.
Keywords: source apportionment; enhanced fingerprinting; source; peak areas ... See more keywords
Determining the serotype composition of mixed samples of pneumococcus using whole-genome sequencing
Sign Up to like & getrecommendations! Published in 2020 at "Microbial Genomics"
DOI: 10.1099/mgen.0.000494
Abstract: Serotyping of Streptococcus pneumoniae is a critical tool in the surveillance of the pathogen and in the development and evaluation of vaccines. Whole-genome DNA sequencing and analysis is becoming increasingly common and is an effective… read more here.
Keywords: samples pneumococcus; composition mixed; whole genome; determining serotype ... See more keywords
Accuracy Enhancement of Raman Spectroscopy Using Complementary Laser-Induced Breakdown Spectroscopy (LIBS) with Geologically Mixed Samples
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DOI: 10.1177/0003702817691289
Abstract: Quantitative Raman analysis was carried out with geologically mixed samples that have various matrices. In order to compensate the matrix effect in Raman shift, laser-induced breakdown spectroscopy (LIBS) analysis was performed. Raman spectroscopy revealed the… read more here.
Keywords: spectroscopy libs; raman; spectroscopy; mixed samples ... See more keywords
Enhancement of Bentonite Materials with Cement for Gamma-Ray Shielding Capability
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DOI: 10.3390/ma14164697
Abstract: The gamma-ray shielding ability of various Bentonite–Cement mixed materials from northeast Egypt have been examined by determining their theoretical and experimental mass attenuation coefficients, μm (cm2g−1), at photon energies of 59.6, 121.78, 344.28, 661.66, 964.13,… read more here.
Keywords: gamma ray; cement mixed; ray shielding; mixed samples ... See more keywords