Güncel Gönderiler: Kimya ve Kimyasal İşleme Teknolojileri Bölümü Koleksiyonu
Toplam kayıt 65, listelenen: 21-40
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Ultra-Trace Determination of Arsenic by Platinum-Coated Tungsten Coil Hydride Generation (HG) Atomic Absorption Spectrometry (AAS)
(TAYLOR & FRANCIS INC, 2022)A simple, rapid, and sensitive method for the determination of ultra-trace arsenic (III) is reported based on in situ trapping and revolatilization on a platinum (Pt) coated tungsten (W) coil atom trap. First, the analyte ... -
Drug delivery systems of CoFe2O4/chitosan and MnFe2O4/chitosan magnetic composites
(TAYLOR & FRANCIS INC, 2022)The study consists of three parts. In the first part, synthesis and characterization of core-shell magnetic composite beads based on chitosan and containing two different magnetic nanoparticles were carried out. The beads ... -
Speciation and determination of inorganic selenium species in certain fish and food samples by gold-coated W-coil atom trap hydride generation atomic absorption spectrometry
(Elsevier, 2022)A very sensitive, selective, rapid and easy gas-phase preconcentration based method is presented for the determination and speciation of inorganic selenium in chicken meat, poultry eggs, mullet fish (Mugil Cephalus) and ... -
Urease immobilized core–shell magnetic Fe[NiFe]O4/alginate and Fe3O4/alginate composite beads with improved enzymatic stability properties: removal of artificial blood serum urea
(Springer, 2021)The present study consists of the preparation of core–shell magnetic carriers with alginate and magnetic nanoparticles (Fe3O4 and Fe[NiFe]O4) using for these carriers (MA—magnetite alginate and NFA—nickel ferrite alginate) ... -
Insight into isolation and characterization of compounds of Chaerophyllum bulbosum aerial part with antioxidant, anticholinesterase, anti-urease, anti-tyrosinase, and anti-diabetic activities
(Elsevier, 2021)Chaerophyllum species are used as a food additive with their unique aroma and in traditional treatment with beneficial health effects. In this study, various extracts of Chaerophyllum bulbosum L. aerial parts were investigated ... -
Isolation and characterization of chemical constituents from Chaerophyllum bulbosum roots and their enzyme inhibitory and antioxidant effects
(Walter de Gruyter GmbH, 2021)Isolation and bioactive effects of the roots of Chaerophyllum bulbosum L. were firstly investigated herein. Enzyme (acetylcholinesterase, butyrylcholinesterase, urease, α-amylase, α-glucosidase, and tyrosinase) inhibitory ... -
Phenolic profile, antioxidant and cholinesterase inhibitory activities of four Trametes species: T. bicolor, T. pubescens, T. suaveolens, and T. versicolor
(Springer, 2021)Trametes genus is one of the most important medicinal mushroom species in the world. The present study focused on phenolic profile, cholinesterase inhibitory and antioxidant activities of four Trametes species (T. bicolor, ... -
Chemometrics Evaluation of Phytochemicals and Antioxidant Activities of the Extracts of Chaerophyllum Bulbosum Roots and Aerial Parts
(TAYLOR & FRANCIS INC, 2021)The objective of this study was provide the first report to assess the high-performance liquid chromatography-diode array detection (HPLC-DAD) identification of phytochemicals, the spectrophotometric determination of total ... -
A comprehensive study on phenolic compounds and bioactive properties of five mushroom species via chemometric approach
(Blackwell Publishing Ltd, 2021)This study was planned to investigate the phenolic compounds, cholinesterase inhibitory, and antioxidant activities of Chondrostereum purpureum (CP), Hymenochaete rubiginosa (HR), Macrolepiota procera (MP), Phaeolus ... -
A detailed study on multifaceted bioactivities of the extracts and isolated compounds from truffle Reddellomyces parvulosporus
(Blackwell Publishing Ltd, 2021)Mushrooms and truffles are attracting attention as a new generation of biotherapeutics. In the current study, isolation, phenolic and organic acid composition, and antioxidant, cytotoxic, anticholinesterase activities of ... -
The positive effect of black seed (Nigella sativa L.) essential oil on thyroid hormones in rats with hypothyroidism and hyperthyroidism
(Wiley, 2021)In our study, the effect of essential oil obtained from Nigella sativa L. (NSE) on thyroid hormones and antioxidant balance in hypothyroidism (HT) and hyperthyroidism (HP) models induced by propylthiouracil(PTU) and ... -
Effect of different tungsten compound reinforcements on the electromagnetic radiation shielding properties of neopentyl glycol polyester
(KOREAN NUCLEAR SOC, 2021)In this study, isophtalic neopentyl glycol polyester (NPG-PES) based composites with different loading ratios of pure tungsten metal (W), tungsten (VI) oxide (WO3), tungsten boron (WB) and tungsten carbide (WC) composites ... -
HPLC–DAD characterization of phenolic profile and in vitro antioxidant, anticholinesterase, and antidiabetic activities of five mushroom species from Turkey
(Springer, 2021)In this study, Daedalea quercina (L.) Pers., Hydnum repandum L., Inonotus radiatus (Sowerby) P. Karst., Omphalotus olearius (DC.) Singer, and Schizophyllum commune Fr. hexane and methanol extracts were subjected to the ... -
Cytotoxic activities of methanol extract and compounds of Porodaedalea pini against colorectal cancer
(Pamukkale University, 2021)Porodaedalea pini is a medicinally important mushroom with antioxidant, cytotoxic, immunostimulating, antitumor, antiviral and immunomodulating activities. Therefore, in this study, P. pini methanol extract and isolated ... -
Isolation, Characterization, and Medicinal Potential of Polysaccharides of Morchella esculenta
(MDPI, 2021)Mushroom polysaccharides are active medicinal compounds that possess immune-modulatory and anticancer properties. Currently, the mushroom polysaccharides krestin, lentinan, and polysaccharopeptides are used as anticancer ... -
Proteic feeder effect on glucose oxidase aggregates formation
(2008)In this study, it is aimed to prepare cross-linked glucose oxidase (GOD) aggregates by using different proteic feeders. Bovine serum albumin (BSA), gelatine and collagen were used separately as proteic feeders in the ... -
Antibiofilm and anti-quorum sensing activities of polyethylene imine coated magnetite and nickel ferrite nanoparticles
(Springer Science and Business Media Deutschland GmbH, 2020)This study was aimed at synthesizing polyethyleneimine-coated magnetic nanoparticles and evaluating their effect on pathogenic bacteria. Polyethyleneimine-coated magnetite (PEIMnF) and nickel ferrite (PEINF) nanoparticles ... -
Isolation, structural characterization, and biological activities of galactomannans from Rhizopogon luteolus and Ganoderma adspersum mushrooms
(Elsevier B.V., 2020)Polysaccharides are essential compounds that contribute to the biological activities of mushrooms. Two new galactomannans (Galactomannan I and II) were isolated from R. luteolus and G. adspersum. Their structures were ... -
Antioxidant and antimicrobial activities of Morchella conica Pers.
(Academic Journals, 2006)Antioxidant capacity and antimicrobial activities of Morchella conica Pers. extracts obtained with ethanol were investigated in this study. Four complementary test systems; namely DPPH free radical scavenging, -carotene/linoleic ... -
Antioxidant, anticholinesterase and antimicrobial constituents from the essential oil and ethanol extract of Salvia potentillifolia
(Elsevier Sci Ltd, 2009)The essential oil of Salvia potentillifolia was analysed by GC and GC-MS. Totally, 123 components were detected in both hydrodistilled and steam-distilled oils, alpha- and beta-pinenes being major compounds. The antioxidant ...
