Ara
Toplam kayıt 151, listelenen: 61-70
Photopolymerized poly(Ethylene glycol) diacrylate hydrogels for controlled release of ketoprofen
(2009)
In this study, poly(ethylene glycol-diacrylate) (PEG-DA) hydrogels with two different concentrations, 30% and 50% w/w, were prepared by free radical polymerization method. Ethylene glycol dimethacrylate (EGDMA) and ...
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) ...
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 ...
Chemical Composition and Antioxidant Activity of Essential Oil from Daucus reboudii Coss., an Endemic Plant of Algeria
(MDPI AG, 2021)
Plants of the Daucus genus (Apiaceae) are used worldwide as traditional medicines or culinary ingredients. In this work, in order to explore a new chemotype, the essential oil obtained from the aerial parts of Daucus ...
Reduced Graphene Oxide-MWCNT Organogel Foam for Lithium-Sulfur Battery Cathode
(Institute of Physics Publishing, 2019)
The fabrication of self-standing porous carbon foam nanostructures for trapping sulfur in Lithium-Sulfur (Li-S) batteries was aimed in this work. Nitrogen doped reduced graphene oxide/acid treated MWCNT based cathode ...
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 ...
Trace element analysis by icp-ms and chemometric approach in some euphorbia species: Potential to become a biomonitor
(Iranian Journal of Pharmaceutical Research, 2019)
In this study, the branch, leaves, flowers, roots and mixed parts of different nine Euphorbia species were analyzed for their trace element contents by using ICP-MS. The samples were digested by concentrated nitric acid ...
Chemical constituents and anticholinesterase activity of the essential oil of Algerian Elaeoselinum thapsioides (desf.) maire
(Taylor and Francis Ltd., 2020)
Elaeoselinum thapsioides is an Algerian medicinal plant used in traditional medicine to treat different diseases. The essential oil obtained by hydrodistillation from the aerial parts of Elaeoselinum thapsioides (Desf.) ...
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 ...