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Browsing Chemistry by Type "Article"
Now showing items 1-20 of 308
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(International Union of Crystallography, 2011)The title compound, (C21H25N2)[ReO4], was formed as the unexpected product in an attempted synthesis of a rhenium(I)–N-heterocyclic carbene (NHC) complex. The compound has crystallographic mirror symmetry with both the ...
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(International Union of Crystallography, 2011)Please read abstract in article.
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(International Union of Crystallography, 2012-07-02)The asymmetric unit of the title salt C8H22N4 2+2C7H5O2 , comprises two independent pairs of half a 2,2'-(piperazine-1,4- diyl)diethanaminium dication plus a benzoate anion. The dications are symmetrical and lie across ...
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(International Union of Crystallography, 2012-07-02)The asymmetric unit of the title salt, C6H20N4 2+ 2I , comprises half a 3,6-diazaoctane-1,8-diaminium dication plus an I anion. The dications are symmetrical and lie across crystallographic centres of inversion. In ...
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(International Union of Crystallography, 2010)A fundamental understanding of the role of oxyanion geometry on molecular packing and non-covalent interactions in salt crystal structures is central to the fields of both molecular recognition and crystal engineering. The ...
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(International Union of Crystallography, 2023-08)The crystal structure of the racemic title compound, C20H16Cl2N4 is described, where the formation of a di-substituted 6,8-dichloro quinoxaline, containing two stereogenic centres, is confirmed.
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(AOSIS OpenJournals, 2019-07-22)Hot water and hydroethanolic (70:30) extracts were prepared from 15 plant species, which were investigated to discover eco-friendly and less expensive tick control methods as an alternative to synthetic acaricides. A ...
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(Elsevier, 2021-12)The increasing concentrations of pharmaceutical and personal care products in water bodies have attracted attention due to the risk of non-target exposures. The application of any graphene-based material for the remediation ...
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(SpringerOpen, 2014-07)Chrysophyllum albidium seed shell, an abundant, biodegradable and inexpensive natural resource was used as a precursor to bioadsorbent production for the removal of suspended and dissolved particles (SDP) from ...
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(Royal Society of Chemistry, 2024-03)Please read abstract in the article.
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(MDPI, 2023-09-22)Nanoparticles and nanotechnology developments continue to advance the livelihood of humankind. However, health challenges due to microorganisms and cancerous cells continue to threaten many people’s lives globally. ...
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Advancing the analytical toolkit in the investigation of vector mosquito host biting site selection (Wiley, 2024-01)High-resolution mass spectrometry and ion mobility spectrometry provide additional confidence in biological marker discovery and elucidation by adding additional peak capacity through physiochemical separation orthogonal ...
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(National Association for Clean Air, 2014)A study carried out at the University of Pretoria characterised aerosol particle morphology of residential coal combustion smoke. The general approach in this study was on individual particle conglomerations because the ...
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(South African Chemical Institute, 2019)We introduce a compact mini-denuder air sampling device consisting of a regular gas chromatograph (GC) inlet liner for the simultaneous concentration of separate airborne gaseous and particulate phases in a single-step. ...
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(Wiley, 2024-12)We strongly advocate distinguishing cooperativity from cooperativity-induced effects. From the MOWeD-based approach, the origin of all-body cooperativity is synonymous with physics- and quantum-based processes of electron ...
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(Springer, 2021-07)Andrographis paniculata is an important medicinal plant reported for its efficacy in the treatment and management of various medical conditions in different parts of the world. This study evaluates the α-amylase inhibitory ...
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(Suid Afrikaanse Akademie vir Wetenskap & Kuns, 2011)Lubricity is the ability of a substance to prevent wear in a system where metal surfaces are in close contact. Diesel fuel injection systems rely on the fuel itself for lubrication. GCXGC/ TOFMS and multivariate statistics ...
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(BioMed Central, 2018-02-07)BACKGROUND : Degradation of components of the extracellular matrix such as elastin and collagen by elastase and collagenase accelerates skin aging. Phytochemicals that inhibit the activity of these enzymes can be developed ...
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(MDPI, 2021-05-21)Drug delivery systems involving polymer therapeutics enhance drug potency by improved solubility and specificity and may assist in circumventing chemoresistance in pancreatic cancer (PC). We compared the effectiveness ...
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(Elsevier, 2024-04)Please read abstract in the article.
Now showing items 1-20 of 308