Başlık için Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 352, listelenen: 26-45
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Antimicrobial effects of bis(Delta(2)-2-imidazolinyl)-5,5 '-dioxime and its mono- and tri-nuclear complexes
(Kluwer Academic Publ, 2000)Bis(Delta(2)-2-imidazolinyl)-5,5'-dioxime (H2L) and its nickel, cobalt, zinc, cadmium and mercury complexes have been prepared and tested in vitro against different microorganisms in order to assess their antimicrobial ... -
Antioxidant abietane diterpenoids from Salvia barrelieri
(Elsevier Sci Ltd, 2007)The root extract of endemic Algerian Salvia species Salvia barrelieri Ettling and its diterpenoids were investigated for potential antioxidant activity. From its acetone extract, a new natural abietane diterpenoid ... -
Antioxidant activities of solvent extracts from endemic Cyclamen mirabile Hildebr. tubers and leaves
(Academic Journals, 2011)In this study, solvent extracts were prepared from different parts of Cyclamen mirabile (CM) and their antioxidant activities were evaluated. Other antioxidant properties of all extracts of CM tubers and leaves, including ... -
Antioxidant activities, metal contents, total phenolics and flavonoids of seven Morchella species
(Pergamon-Elsevier Science Ltd, 2009)Seven Morchella species were analyzed for their antioxidant activities in different test systems namely beta-carotene/linoleic acid, DPPH, reducing power, chelating effect and scavenging effect (%) on the stable ABTS(center ... -
Antioxidant activity of stem and root extracts of Rhubarb (Rheum ribes): An edible medicinal plant
(Elsevier Sci Ltd, 2007)The antioxidant activity of chloroform and methanol extract of roots and stems of Rhubarb (Rheum ribes L.), which are used for medicinal purposes and also its fresh stems and petioles are consumed as vegetable, was studied. ... -
Antioxidant and anticholinesterase active constituents from Micromeria cilicica by radical-scavenging activity-guided fractionation
(Elsevier Sci Ltd, 2011)From the acetone extract of Micromeria cilicica, two new (1 and 2) and five known (3-7) compounds were obtained through radical-scavenging activity guided isolation. Structures of the compounds were identified as piperitone ... -
Antioxidant and Anticholinesterase Activity Evaluation of ent-Kaurane Diterpenoids from Sideritis arguta
(Amer Chemical Soc, 2009)The petroleum ether and acetone extracts of the aerial parts of Sideritis arguta afforded two new and six known diterpenoids with the ent-kaurane skeleton. The structures of the new diterpenoids were determined as ent-7 ... -
Antioxidant and anticholinesterase constituents of Salvia poculata
(Scientific Technical Research Council Turkey-Tubitak, 2009)Two triterpenoids, namely 2 alpha,3 alpha-dihydroxy-24-nor-4(23), 12-oleanadien-28-oic acid (1) and ursolic acid (2); 4. avonoids, namely 5-hydroxy-7,4'-dimethoxyflavone (3), cirsimaritin (4), eupatilin (5), and salvigenin ... -
Antioxidant and antidiabetic activities of hexane extract of Genista januensis var. lydia
(Bulgarska Akademiya na Naukite, 2022)The genus Genista L. (Fabaceae) has been of interest for human beings since ancient times with its cosmopolitan distribution. Since α-amylase and α-glucosidase are the chief enzymes of diabetes mellitus, this study aims ... -
Antioxidant and antimicrobial activities of Laetiporus sulphureus (Bull.) Murrill
(Elsevier Sci Ltd, 2007)Antioxidant capacity and antimicrobial activities of Laetiporus sulphureus (Bull.) Murrill. extracts obtained with ethanol were investigated in this study. The study was aimed at determining the antioxidant activity (DPPH ... -
Antioxidant Diterpenoids from the Roots of Salvia barrelieri
(John Wiley & Sons Ltd, 2009)Introduction - The phytochemical and biological studies carried out on Salvia species showed that their extracts and constituents have various biological activities. Objective - The aim of this study was the isolation of ... -
Antioxidant, anticholinesterase activities and polyphenolic constituents of cones of algerian fir (Abies numidica) by LC-ESI-MS/MS with chemometric approach
(Marmara Üniversitesi, 2021)The fractions (Fr.1-5) of the hydromethanolic extract of Abies numidica cones were studied for their polyphenol constituents, antioxidant, and anticholinesterase activities. The beta-carotene-linoleic acid, cupric reducing ... -
Antioxidant, anticholinesterase and antibacterial activities of Stachys guyoniana and Mentha aquatica
(Taylor & Francis Ltd, 2017)Context: Stachys guyoniana Noe ex. Batt. and Mentha aquatica L. are two Algerian Lamiaceae used in folk medicine. Objective: To investigate their antioxidant, anticholinesterase and antibacterial activities. Material and ... -
Application of Box-Behnken design for modeling of lead adsorption onto unmodified and NaCl-modified zeolite NaA obtained from biosilica
(Iwa Publishing, 2017)The main objective of the present study was to optimize lead adsorption onto zeolite NaA. For this purpose, to synthesize zeolite NaA under hydrothermal conditions, local wheat husk was precleaned with chemical treatment ... -
Application of Centri-voltammetry to Cytosensors: Cyto-centrivoltammetry
(Pergamon-Elsevier Science Ltd, 2016)In this work, a centri-voltammetric cytosensor suitable for the for detection of folate receptor positive cervical cancer (HeLa) cells was developed for the first time. In order to see the effect of centrifugation, developed ... -
Application of microwave–assisted digestion to trace heavy metal determination in sea sediment sample
(2008)The main goal of this study is to develop an efficient microwave digestion method for the determination of Pb, Cu, Cr, Co and Zn elements from a sea sediment sample. Microwave acid digestion techniques were investigated ... -
Assessing the Acute Toxicological Effects of Annona muricata Leaf Ethanol Extract on Rats: Biochemical, Histopathological, and Metabolomics Analyses
(MDPI, 2023)Annona muricata is a common plant used in Africa and South America to manage various types of disease. However, there is insufficient toxicological information or published standard available regarding repeated dose animal ... -
Assessment of land resource potential and solid waste recycling methods
(National Academy of Sciences of the Republic of Kazakhstan, 2021)This paper analyzes the environmental load exerted by the solid waste landfills of Turkistan and Kentau cities and the villages of the Sauran district of the Turkistan region. The data of morphological analysis of MSW ... -
Assessment of physicochemical parameters, bioactive compounds, biological activities, and nutritional value of the most two commercialized pollen types of date palm (Phoenix dactylifera L.) in Morocco
(SAGE Publications Inc., 2023)The pollen of date palm (Phoenix dactylifera L.) is known for its nutritional value and implications as a health-promoting component. Due to its low cost, date palm pollen crushed with its spadix is more widely commercialized ... -
Atomic Fe on hierarchically ordered porous carbon towards High-performance Lithium-sulfur batteries
(Elsevier B.V., 2023)Lithium-sulfur (Li-S) battery is the promising next-generation energy storage device owing to its ultra-high theoretical energy density and low cost. Unfortunately, its practical performance is significantly hindered by ...
