Güncel Gönderiler: Biyoloji Bölümü
Toplam kayıt 480, listelenen: 381-400
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Immobilization of glucoamylase onto activated pHEMA/EGDMA microspheres: properties and application to a packed-bed reactor
(Elsevier Science Inc, 1998)Glucoamylase was covalently immobilized onto pHEMA/EGDMA microspheres of two different sizes: 50-100 mu m and 100-200 mu m in diameter. The activity of the enzyme on smaller microspheres was found to be almost twice that ... -
New metal chelate sorbent for albumin adsorption: Cibacron blue F3GA-Zn(II) attached microporous poly(HEMA) membranes
(John Wiley & Sons Inc, 1998)Poly(2-hydroxyethyl methacrylate) [poly(HEMA)] membranes were prepared by UV-initiated photopolymerization of HEMA in the presence of an initiator (alpha-alpha'-azobis-isobutyronitrile, AIBN). The triazine dye Cibacron ... -
Characterization of β-galactosidase immobilized into poly(hydroxyethylmethacrylate) membranes
(Mbr Press Inc, 1998)beta-galactosidase was immobilized into pHEMA membranes with the highest specific activity yield of 9.5%. The specific activity of the entrapped enzyme was found to be decreased as the enzyme loading increased in pHEMA ... -
Dye-ligand and metal chelate poly(2-hydroxyethylmethacrylate) membranes for affinity separation of proteins
(Elsevier Science Bv, 1998)Cibacron Blue F3GA was covalently immobilized onto poly(2-hydroxyethyl methacrylate) (pHEMA) membranes via the nucleophilic reaction between the chloride of its triazine ring and the hydroxyl group of pHEMA. Then, Fe3+ ... -
Dye derived and metal incorporated affinity poly(2-hydroxyethyl methacrylate) membranes for use in enzyme immobilization
(John Wiley & Sons Ltd, 1998)Microporous poly(2-hydroxyethyl methacrylate) (PHEMA) membranes were prepared by W-initiated photopolymerization of HEMA in the presence of an initiator (alpha,alpha'-azobisisobutyronitrile, AIBN). An affinity dye Cibacron ... -
Synthesis and mechanical properties of interpenetrating networks of polyhydroxybutyrate-co-hydroxyvalerate and polyhydroxyethyl methacrylate
(Elsevier Sci Ltd, 1998)Naturally occurring, biocompatible, and biodegradable polyhydroxybutyrate-co-hydroxyvalerate (PHBV), and synthetic, non-degrading polyhydroxyethylmethacrylate (PHEMA) membranes were prepared and their mechanical properties ... -
Immobilization of glucose oxidase and urease in hydrogel matrices
(Scientific Technical Research Council Turkey, 1997)Immobilization of glucose oxidase and urease in hydrogels of 2-hydroxyethyl methacrylae, and N-vinyl pyrrolidone (NVP) was achieved by irradiation (using UV kand gamma-rays). The effect of radiation on entrapment efficiencies, ... -
Cibacron Blue F3GA and Cu(II) derived poly(2-hydroxyethylmethacrylate) membranes for lysozyme adsorption
(Elsevier Science Bv, 1998)Lysozyme adsorption onto Cibacron Blue F3GA and Cu(II) derived poly(2-hydroxyethyl methacrylate) [poly(HEMA)] membranes was investigated. Microporous poly(HEMA) membranes were prepared by photopolymerization of HEMA. The ... -
Novel dye-attached macroporous films for cadmium, zinc and lead sorption: Alkali Blue 6B-attached macroporous poly(2-hydroxyethyl methacrylate)
(Elsevier Science Bv, 1998)Alkali Blue GB-attached poly(2-hydroxyethyl methacrylate) (poly(HEMA)) microporous films were investigated as chelate forming sorbents for heavy metal removal. Poly(HEMA) microporous films were prepared by UV-initiated ... -
Cibacron Blue F3GA-incorporated macroporous poly(2-hydroxyethyl methacrylate) affinity membranes for heavy metal removal
(Elsevier Science Bv, 1997)Macroporous poly(2-hydroxyethyl methacrylate), poly(HEMA), membranes were prepared by UV-initiated photo-polymerization of HEMA in the presence of an initiator (azobisisobutyronitrile, AIBN). An affinity dye, i.e., Cibacron ... -
Catalase adsorption onto cibacron blue F3GA and Fe(III)derivatized poly(hydroxyethyl methacrylate) membranes and application to a continuous system
(Elsevier Science Bv, 1997)Poly(2-hydroxyethyl methacrylate) (poly(HEMA)) membranes were prepared by W-initiated photopolymerization of HEMA in the presence of an initiator (a-a'-azobisisobutyronitrile, AIBN). An affinity dye, i.e. Cibacron Blue ... -
Comparison of β-galactosidase immobilization by entrapment in and adsorption on poly(2-hydroxyethylmethacrylate) membranes
(John Wiley & Sons Ltd, 1997)beta-Galactosidase was immobilized in/on poly(2-hydroxyethyl methacrylate) (pHEMA) membranes by two different methods: adsorption on Cibacron F3GA derivatized pHEMA membranes (pHEMA-CB), and entrapment in the bulk of the ... -
In-vitro studies of enteric coated diclofenac sodium-carboxymethylcellulose microspheres
(Taylor & Francis Ltd, 1996)Microspheres containing diclofenac sodium (DS) were prepared using carboxymethylcellulose (CMC) as the main support material (1.0, 2.0, 3.0% (w/v)) and aluminium chloride as the crosslinker. Drug to polymer ratios of 1:1, ... -
Comparison of β-galactosidase immobilization by entrapment in and adsorption on poly(2-hydroxyethylmethacrylate) membranes
(Royal Swedish Acad Sciences, 1996)Schottky barrier height shifts depending on the interfacial layer as well as a change of the interface state charge with the forward bias while considering the presence of bulk (semiconductor) series resistance are discussed ... -
Covalent immobilization of α-amylase onto pHEMA microspheres: preparation and application to fixed bed reactor
(Elsevier Sci Ltd, 1995)Microspheres of poly(2-hydroxyethyl methacrylate) with and without cross-linker were prepared by suspension polymerization. As the amount of cross-linker increased, the equilibrium water content, enzyme loading, immobilization ... -
Molecular genetic analysis of three Turkish local silkworm breeds (Bursa Beyazı, Alaca and Hatay Sarısı) by RAPD-PCR method
(Nobel Science and Research Center, 2009)In this study PCR-based Randomly Amplified Polymorphic DNA (RAPD) method was used to determine the genetic variation in three local silkworm breeds (Bursa Beyazı, Alaca and Hatay Sarısı) of Turkey. These three breeds were ... -
Blood serum proteins of Myotis myotis (Borkhausen, 1797) and Myotis blythii (Tomes, 1857) (Chiroptera: Vespertilionidae)
(2009)This study is based on the globulin and albumin proteins, determined using SDS-PAGE, of two sibling bat species Myotis myotis (Borkhausen, 1797) (Greater Mouse-eared Myotis) and M. blythii (Tomes, 1857) (Lesser Mouse-eared ... -
Nucleolar organizer regions (NORs) of the spiny mouse, Acomys cilicicus (Mammalia: Rodentia) in Turkey
(2008)In is study nucleolus organizer regions (NORs) of Acomys cilicicus were examined. The karyotype of A. cilicicus is composed of 2n = 36, FN = 70, and FNa = 66. Ag-NORs are located on the terminal region of the long arm of ... -
The karyotype of the wild boar Sus scrofa Linnaeus, 1758 in Turkey (Mammalia: Artiodactyla)
(2007)This study is based on the karyological analyses of 4 Sus scrofa specimens obtained from Kirikkale province in 2003 and 2005. It is the first time that karyotypes of Turkish wild boar specimens were determined. The diploid ... -
Some taxonomic features of Taphozous nudiventris Cretzschmar, 1830 vel 1831 from Turkey (Chiroptera: Emballonuridae)
(2007)This study was based on the records of baculum features, hair scale form, and karyotype of Taphozous nudiventris magnus. The baculum is a distinctive feature in separating this subspecies from T. n. kachhensis. The structure ...