Bölüm "MÜ, Fen Fakültesi, Kimya Bölümü" TR-Dizin İndeksli Yayınlar Koleksiyonu için listeleme
Toplam kayıt 36, listelenen: 1-20
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Accumulation of poly-$beta$-hydroxybutyrate in Streptomyces species during growth with different nitrogen sources
(2002)Farklı taksonomik özelliklere sahip 27 Streptomyces izolatında Poly-?-hydroxybutyric asit (PHB) birikimi araştırıldı. Sentezlenen PHB miktarı krotonik asit olarak spektrofotometre ile belirlendi. Denenen izolatların %80’i ... -
Allylic oxidation of myrcene
(2004)Bu çalışmada, açık zincirli monoterpen olan mirsenin allilik yükseltgenme reaksiyonları incelenmiştir. Burada amaçlanan, çam kabuk böceği feromonu olan , mirsenin ipsdienole dönüştürülmesidir. Bu çalışmada yükseltgen olarak ... -
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, 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 ... -
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 ... -
A biochar-modified carbon paste electrode
(Scientific Technical Research Council Turkey-Tubitak, 2017)The present work examined the use of biochar derived from tea waste as a novel electrode material. For the fabrication of the biochar electrode, suitable amounts of biochar and graphite were mixed with mineral oil for the ... -
Boronic acid-functionalized silica microparticles for isolation of flavonoids from Hypericum perforatum
(Turkish Chemical Society, 2018)We have selectively separated cis-and/or vicinal-diol-containing flavonoids from Hypericum perforatum (HP) by adsorption/desorption used aminophenylboronic acid (APBA) functionalized uniform (1.6 ?m) silica microparticles ... -
Carrier free cross-linked peroxidase aggregates: synthesis and characterization
(2008)In this study, cross-linked Horseradish Peroxidase (HRP) aggregates were prepared. Bovin Serum Albumin (BSA), a proteic feeder, and glutaraldehyde, a bifunctional reactive, a crosslinker agent has also been used. The initial ... -
Chelating agent effect on the release of gentamicin from PEG-DA hydrogels
(2008)In this study, controlled drug release devices of poly(ethylene glycol-diacrylate) (PEG-DA) hydrogels were prepared by free radical UV polymerization. PEG-DAmacromere was cross-linked with different percentages of ethylene ... -
Chemical characterization and antioxidant activity of Eryngium pseudothoriifolium and E. thorifolium essential oils
(Marmara Univ, 2019)The chemical characterization and antioxidant activities of essential oils of Eryngium pseudothoriifolium Contandr. & Quezel and E. thorifolium Boiss., endemic plant species from Turkey, were investigated. The essential ... -
Chemical composition, antioxidant, anticholinesterase and anti-urease activities of Sideritis pisidica Boiss. & Heldr. endemic to Turkey
(Marmara Univ, Fac Pharmacy, 2017)The objective of this study was to investigate the chemical composition, antioxidant, anticholinesterase and anti-urease activities of essential oil, hexane, acetone and methanol extracts of Sideritis pisidica Boiss. & ... -
Çeşitli ağaç ve otsu bitki ekstarklarından çevre ile uyumlu doğal renklendirici ve koruyucu ağaç üstyüzey işlem boyalarının geliştirilmesi ve renk değerlerinin belirlenmesi
(2006)Bu çalışmada; çeşitli ağaç ve bitki ekstraktlarından su-bazlı ahşap boyama maddelerinin elde edilmesi amaçlanmıştır. Bu amaçla; sarıçam (Pinus sylvestris) ve Doğu kayını (Fagus orientalis) odunlarından elde edilen deney ... -
Effects of atmospheric plasma on the printability of wool fabrics
(Ege Universitesi, 2009)This study is about environmentally safe pre-treatment for wool fabrics to improve their printability with acid dyes. Knitted wool fabrics treated with argon and air atmospheric plasma Were evaluated ill terms of printability. ... -
The Effects of Science Teaching Through Team Game Tournament Technique on Success Level and Affective Characteristics of Students
(2008)The purpose of this study is to investigate the effects of teaching a unit & #8220; Reproduction and Growth in Living Things& #8221; from the science curriculum of 8th graders by using Team Game Tournament (TGT) ... -
Examination of the Electroanalytic Performance of Carbon Nanotube (CNT) Modified Carbon Paste Electrodes as Xanthine Biosensor Transducers
(Scientific Technical Research Council Turkey-Tubitak, 2008)The effect of multi-walled carbon nanotube (MWCNT) and single-wall carbon nanotube (SWCNT) on carbon paste electrode (CPE) electrochemical response was examined by introducing various portions of CNT into the CPE. The ... -
Gold nanoparticle synthesis and characterisation
(2009)The aim of this study is to synthesize and characterize gold nanoparticles. For this purpose, the reduction reaction between tetrachloroauric acid and sodium citrate was used. At the end of the reduction reaction, gold ... -
Homosistein-BSA-afinite temelli biyosensor tasarımı
(2014)Amaç: Çalışmada, Kuartz Kristal Mikrodenge (QCM) sistemi kullanılarak piezoelektrik esaslı Homosistein biyoafinite sensörü ile Homosisteinin tayini ve tekrar kullanılabilirliğinin tespiti amaçlanmıştır.Metod: Gümüş sensör ... -
Improvement surface properties of polypropylene and polyester fabrics by glow discharge plasma system under atmospheric condition
(Ege Univ, 2009)In order to raise wettability and to improve soil release of polyester (PES) and polypropylene (PP) woven fabrics, atmospheric pressure plasma were applied. In this study, argon and air plasma were used for modification ... -
Investigation of Bioactive Chemicals of Passion Flower (Passiflora incarnata L.)
(2018)In this study, a research was conducted to determine the protease enzyme activity and the volatile organic compounds of passion flower (P. incarnata L.) to determine the usability of the plant in the pharmaceutical sector. ... -
Kağıt endüstrisi atık sularından lignin ve fenol' ün perlit minerali ile giderimi
(2003)Bu çalışmada, adsorpsiyon yöntemini kullanarak, kağıt endüstrisi atık sularında kirliliğe ve zehirliliğe neden olan fenolik ve lignin bileşiklerinin giderim oranlar ile atık suyun türbidite (bulanıklık) değerlerindeki ...