Ara
Toplam kayıt 82, listelenen: 31-40
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 ...
Urease immobilized piezoelectric quartz crystal for urea conversion
(2008)
In this study, the immobilization of the enzyme urease on the surface of the quartz crystal was reported. The layer growth on silver electrode resonator was monitored with QCM and the catalytic activity of the enzyme layer ...
Quartz crystal piezo electrode surface modification for gold nano-particles immobilization
(2007)
In this study silver electrode quartz crystal surfaces were cleaned and modified to immobilize gold nanoparticles. First, the crystal surfaces were cleaned and activated with sodium hydroxide, acetone and methanol. After ...
The removal of some inorganic compounds from paper mill efluents by the electrocoagulation method
(2004)
Bu çalışmada, elektrokoagülasyon yöntemi kullanılarak kağıt atık sularının temizlenmesi amaçlandı. Amonyum, nitrit, nitrat ve fosfatın giderimi, farklı akım yoğunluklarında, elektrot (Fe ve Al) ve elektroliz sürelerinde ...
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 ...
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 ...
The phenolic compounds from Hypericum perforatum and their antimicrobial activities
(2008)
Hypericum perforatum (St. John& #8217; s wort) (H. perforatum) is a plant which has been used as a medicinal herb since ancient times and grow in Europe, West Asia and North Africa. In this work, the crude extracts of ...
Adsorption of Cd(II) ions from aqueous solutions using activated carbon prepared from olive stone by ZnCl2 activation
(Elsevier Sci Ltd, 2008)
This study is aimed to remove Cd(II) ions from aqueous solutions by adsorption. As adsorbent, activated carbon prepared from olive stone, an agricultural solid by-product was used. Different activating agent (ZnCl2) amounts ...
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 ...
Interconversion between two unrelated protein folds in the lymphotactin native state
(Natl Acad Sciences, 2008)
Proteins often have multiple functional states, which might not always be accommodated by a single fold. Lymphotactin (Ltn) adopts two distinct structures in equilibrium, one corresponding to the canonical chemokine fold ...