Results 11 to 20 of about 1,612,846 (322)
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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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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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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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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Chemical and Defect Analysis in a ZrO2/LSMO Pillar-Matrix System [PDF]
Microscopy and Microanalysis, 2014 Dan Zhou +6 more
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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 ...
Enea Pagliano, Juris Meija
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Tooth matrix analysis for biomonitoring of organic chemical exposure: Current status, challenges, and opportunities [PDF]
Environmental Research, 2015 Epidemiological evidence supports associations between prenatal exposure to environmental organic chemicals and childhood health impairments. Unlike the common choice of biological matrices such as urine and blood that can be limited by short half-lives for some chemicals, teeth provide a stable repository for chemicals with half-life in the order of ...
Syam S. Andra +2 more
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RSC Advances, 2019 A dual emissive Ir(iii)/Eu(iii) dyad in a paper-based luminescence assay for liquid chemical warfare agents demonstrated clear visual responses.
Genevieve H. Dennison +5 more
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Materials Today Bio, 2022 Periodontitis is a bacterial-induced, chronic inflammatory disease characterized by progressive destruction of tooth-supporting structures. Pathogenic bacteria residing in deep periodontal pockets after traditional manual debridement can still lead to ...
Ning Li +8 more
doaj +1 more source