Showing 921 - 940 results of 14,114 for search '"chemical"', query time: 0.18s Refine Results
  1. 921

    LC-MS based analysis reveal antimicrobial compounds from Gabonese pharmacopoeia: chemical characterisation and cytotoxicity evaluation by Elvis Otogo N’nang, Elvis Otogo N’nang, Paulin N. Essone, Judicael Ella Ndong, Augustin Boueya, Kossiwa Kokou, Richard Kriz, Richard Kriz, Marie Andrée N’nengué, Félix Ovono Abessolo, Bertrand Lell, Peter G. Kremsner, Peter G. Kremsner, Selidji T. Agnandji, Selidji T. Agnandji

    Published 2025-01-01
    “…Based on botanical studies and the claims of traditional healers regarding the antimicrobial effects of these plants, a study to evaluate the antimicrobial activity and phyto-chemical profile of aqueous extracts of three plants (bark of H. ledermannii, G. barbadense root bark and P. angolensis bark) and methanolic extracts of two plants (S. ochocoa stem bark and D. gossweileri root bark). …”
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  2. 922

    Red Guava (Psidium guajava L.) Chemical Properties Characterization Using Different Packaging Methods During Storage by Rini Umiyati, Lustika Eva Lusiana, Iffah Muflihati, Fafa Nurdyansyah

    Published 2022-12-01
    “…The purpose of this study was to determine the effect of packaging method and storage time on the chemical properties of red guava (<em>Psidium guajava </em>L.). …”
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    Antibiofilm effect of Nano chitosan and calcium hydroxide intracanal medications and their effects on the microhardness and chemical structure of radicular dentine by Maha Nasr, Ahmed Abdou, Dina M. Bassiouny, Reham Hassan

    Published 2025-01-01
    “…This study aimed to investigate the antibiofilm effect of Nanochitosan (CSNPs) and Calcium hydroxide Ca(OH)2 intra canal medications and their effect on the microhardness and chemical structure of radicular dentine. Methodology A total of 52 extracted human mandibular premolars were used. …”
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  7. 927

    Bacteria Living in Biofilms in Fluids: Could Chemical Antibiofilm Pretreatment of Culture Represent a Paradigm Shift in Diagnostics? by Lorenzo Drago, Andrea Fidanza, Alessio Giannetti, Alessio Ciuffoletti, Giandomenico Logroscino, Carlo Luca Romanò

    Published 2024-01-01
    “…In line with these observations, the introduction in the clinical setting of fluid sample pretreatment with an antibiofilm chemical compound called dithiothreitol (DTT), which is able to dislodge microorganisms from their intercellular matrix without killing them, would effectively improve the microbiological yield and increase the sensitivity of cultural examination, compared to the current microbiological techniques. …”
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  8. 928
  9. 929

    An integrated approach using proximity labelling and chemical crosslinking to probe in situ host-virus protein–protein interactions by Jiaqi Li, Zhewang Lin

    Published 2024-01-01
    “…In this perspective, we discuss the integration of two latest proteomic techniques, based on in situ proximity labelling and chemical crosslinking methods, to uncover host-virus protein–protein interactions in living cells.…”
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    The impact of annealing temperatures and chemical assays on the mechanical properties and electrical conductivity of CuNi9Sn2 by Ivanović Aleksandra, Dimitrijević Silvana, Dimitrijević Stevan, Mir Shaila

    Published 2024-01-01
    “…In this work, the influence of annealing temperature and chemical composition on the mechanical properties and electrical conductivity of CuNi9Sn2 was investigated. …”
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  13. 933

    Multivariate Statistical Analyses of the Temporal Variation in the Chemical Composition of the Essential Oil of <i>Eucalyptus torquata</i> in Cyprus by Mustapha Bulama Modu, Duygu Yiğit Hanoğlu, Azmi Hanoğlu, Fehmi Burak Alkaş, K. Hüsnü Can Başer, Dudu Özkum Yavuz

    Published 2025-01-01
    “…The aim of this study was to investigate the possible seasonal variations in the chemical composition of the essential oils of juvenile and mature leaves collected from Nicosia, Cyprus, by using multivariate statistical analysis. …”
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  17. 937

    Chemical Profiling and Biological Activities on Nepalese Medicinal Plant Extracts and Isolation of Active Fraction of Nyctanthes arbor-tristis by Anita Khadka, Akash Budha Magar, Khaga Raj Sharma

    Published 2024-01-01
    “…The extract of Nyctanthes arbor-tristis showed high zones of inhibition against S. aureus (ATCC 25923) and E. coli (ATCC 25922) of ZOI 26 and 22 mm, respectively. The chemical constituents isolated from the active plant Nyctanthes arbor-tristis were subjected to GCMS analysis where the major chemical compounds were 11,14,17-eicosatrienoic acid and methyl ester. …”
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  18. 938

    Examination of the Effectiveness of Physical and Chemical Activation of Natural Bentonite for the Removal of Heavy Metal Ions from Aqueous Solutions by Fawzi Banat, Sameer Al-Asheh, Leena Abu-Aitah

    Published 2002-03-01
    “…The ability of physically and chemically activated bentonite to adsorb copper and nickel ions from aqueous solutions was examined under various experimental conditions. …”
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