Results 1 to 10 of about 2,909,703 (371)
MethodsX, 2020 As an innovative analytical approach ordinal analysis is applied to positive matrix factorization (PMF) analysis outputs to identify the most important species and factors in chemical ionization mass spectrometry (CIMS) data. The procedure and outcome of
Xiangrui Kong, Jan B.C. Pettersson
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Excitation-Emission Matrix Spectroscopy for Analysis of Chemical Composition of Combustion Generated Particulate Matter [PDF]
Environmental Science & Technology, 2019 Analysis of particulate matter (PM) is critical for the assessment of human exposures to potentially harmful agents, notably combustion-generated PM; specifically polycyclic aromatic hydrocarbons (PAHs) found in them and associated with carcinogenic and mutagenic effects.
Gaurav Mahamuni +7 more
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Solid-phase excitation-emission matrix spectroscopy for chemical analysis of combustion aerosols.
PLoS ONE, 2021 Exposure to ultrafine combustion aerosols such as particulate matter (PM) from residential woodburning, forest fires, cigarette smoke, and traffic emission have been linked to adverse health outcomes.
Gaurav Mahamuni +7 more
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IQA analysis of the two-particle density matrix: chemical insight and computational efficiency [PDF]
Theoretical Chemistry Accounts, 2023 AbstractThe interacting quantum atoms (IQA) method offers a rigorous and minimal route to calculate atomic electron correlation energies from the two-particle density matrix (2PDM). The price paid is that this method is very time-consuming. However, employing CCSD and CCSD(T), we explore several approaches to speed up such calculations.
Mark A. Vincent, Paul L. A. Popelier
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Frontiers in Public Health, 2021 Background: An untargeted chemical analysis of bio-fluids provides semi-quantitative data for thousands of chemicals for expanding our understanding about relationships among metabolic pathways, diseases, phenotypes and exposures.
Dinesh Kumar Barupal +3 more
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New Physico-Chemical Analysis of Magnesium-Doped Hydroxyapatite in Dextran Matrix Nanocomposites [PDF]
Polymers, 2023 The new magnesium-doped hydroxyapatite in dextran matrix (10MgHApD) nanocomposites were synthesized using coprecipitation technique. A spherical morphology was observed by scanning electron microscopy (SEM). The X-ray diffraction (XRD) characterization results show hydroxyapatite hexagonal phase formation.
Daniela Predoi +7 more
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Methods for the analysis of endocrine disrupting chemicals in selected environmental matrixes
Environmental Research, 2021 Endocrine disrupting chemicals (EDCs) are heterogenous in structure, chemical and physical properties, and their capacity to partition into various environmental matrixes. In many cases, these chemicals can disrupt the endocrine systems of vertebrate and invertebrate organisms when present at very low concentrations.
Chris D. Metcalfe +5 more
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, 2012 Multivariate modeling techniques are successfully used in different areas of environmental research because of their ability to process large data sets. The main objective of their application lies in the determination of data structures and hidden information which account for the data set variability. This thesis work seeks to explore the application
Sara Comero
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Metrologia, 2016 The combination of isotope dilution and mass spectrometry has become an ubiquitous tool of chemical analysis. Often perceived as one of the most accurate methods of chemical analysis, it is not without shortcomings. Current isotope dilution equations are not capable of fully addressing one of the key problems encountered in chemical analysis: the ...
Pagliano, Enea, Meija, Juris
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, 2020 Exposure to combustion generated aerosols such as PM from residential woodburning, forest fires, cigarette smoke, and traffic emission have been linked to adverse health outcomes. It is important to assess the chemical composition of PM to examine personal exposure.
Gaurav Mahamuni +6 more
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