Browsing Kimya Mühendisliği by Issue Date

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  • Dynamics optimal control of flexible heat-exchanger networks 
    Boyacı, V. Cantürk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1995., 1995.)
    In this work, the dynamics, controllabilitty and resiliency of Heat-Exchanger Networks (HENs) are investigated. A rigorous distributed-parameter model of typical countercurrent shell-and-tuble (multi-tube) heat exchangers ...
  • Optimal resilient retrofit design of heat-exchanger networks 
    Konukman, Alp Er Şevki. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    A new index, called Design Resiliency Index, which numerically indicates the size of feasible region in terms of uncertain source-temperature or flowrates for the fixed design parameters of a network structure, is proposed. ...
  • Surface properties of poly (e- caprolactone) - poly (dimethylsiloxane) -poly (e- caprolactone) triblock copolymers 
    Yaşar (Boz), Şehri Banu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    Surface properties of polymers are of very much importance in many application fields such as adhesion, wettability, printing and biocompatibility. In this industrial areas polydimethylsiloxanes are materials of broad ...
  • Efficient computational models and methods for investigating local polymer dynamics 
    Baysal, Canan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    Local Phenomena related to the isomerization of torsional angles in polymers are studied using computational tools with emphasis on the problem of efficiency. Molecular and Brownian Dynamics, Dynamic Rotational Isomeric ...
  • Simulation of protein structure by a simplified model: |application to the rop dimer 
    Akten, E. Demet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    In this thesis, the estimation of the native three-dimensional structure of a dimeric protein, Rop, from its amino-acid sequence is performed. Rop is a small RNA-binding protein that is coded by certain plasmids and is ...
  • Fermentation and recovery of EcoRI endonuclease using two different genetically engineered E.coli strains 
    Yıldır (Tamerler), Candan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1997., 1997.)
    A small scale procedure developed for the purification of EcoRI restriction enzyme has been applied to two different overproducing E.coli strains. The final purification yields obtained are 1.3x105 U/g cells for E.coli ...
  • Fermentation characteristics of four genetically engineered Saccharomyces cerevisiae strains 
    Birol (Deniz), Gülnur. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1997., 1997.)
    The production of ethanol from starch has been investigated in four genetically modified Saccharomyces cerevisiae strains (YPG/AB, YA7, YPG/MM and YPB-G). Three of the four strains produce the Aspergillus awamori glucoamylase ...
  • Identification of native conformations of proteins using a low resolution model 
    Özkan, Ş. Banu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1997., 1997.)
    Exhaustive enumeration is performed by using a low resolution model. The secondary structure elements of the proteins are kept as rigid blocks. Large ensembles of decoy structures are generated by rotating the virtual ...
  • Modeling of stress development in aerogel preparation 
    Ünlüsü, Betül. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    Aerogels are prepared by sol-gel method associated with supercritical drying. They are used in different areas due to their special characteristics such as high porosity, low density, low thermal conductivity. Drying is ...
  • Determination of protein structures using distance constraints 
    Samur, Başak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    Constraints of different types are applied to a protein chain of 30 residues by using a low resolution model adopted from the cooperative kinematics (CK) model of polymers. The aim was to investigate the importance of the ...
  • Cloning and expression of TagI restriction endonuclease gene using pMAL-c2 vector system in different strains of escherichia coli 
    Özkırımlı, Elif. (Thesis (M.S.) - Bogazici University.Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    The thermostable TaqI restriction endonuclease from Thermus aquaticus was cloned into Escherichia coli for overproduction and single step affinity chromatography purification. The gene was cloned into pMAL-c2 vector, ...
  • A process for the deterpenation of essential oils by extraction/adsorption/desorption using supercritical carbon dioxide 
    Eskinazi, Orli A. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    The main purpose of this study was to establish a supercritical-fluid-aided process in order to enhance the quality of essential-oils products through the removal of the monoterpene (MT) hydrocarbons. The example oil chosen ...
  • A study on protein and DNA analysis by Capillary electrophoresis 
    Özer, Asuman Nevra. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    The aim of this research was to establish a method for the analysis of several proteins and DNA using capillary electrophoresis. Bovine serum albumin, human serum proteins and some restriction enzymes namely Taq1, EcoR1, ...
  • Production of Taq I restriction and modification enzymes by using two different expression systems 
    Toksoy, Ebru. (Thesis (Ph.D)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000, 2000.)
    Taq I restriction-modification system has been cloned and expressed using two different expression systems. In the first system, Taq I restriction endonuclease was expressed as a fusion protein with the maltose-binding ...
  • Production of MBP-TAQ I Restriction endonuclease fusion protein by recombinant escherichia coli harboring petmet 
    Bilgen, Bahar. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000, 2000.)
    The gene encoding the Taq I restriction endonuclease was cloned into pMAL-c2 plasmid to construct p22 expressing the MBP-Taq I fusion protein. The affinity of MBP to amylose was exploited for the single-step chromatographic ...
  • Packing regularities in folded proteins 
    Bağcı, Elife Zerrin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2001., 2001.)
    Using lattice models of proteins is a common method to reduce conformational space. Despite the suitability of various lattice geometries, the optimal packing geometry of residues in folded structures, or the generic ...
  • Analysis of folding kinetics for simplified model proteins 
    Özkan, Ş. Banu. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2001., 2001.)
    The conformational stochastics of simplified model chains that show an apparent two-state kinetics was explored.. A fundamental question addressed in the present analysis is to understand if the folding takes place through ...
  • Computational and experimental investigation of catalytic hydrocarbon fuel processing for autothermal hydrogen production 
    Avcı, Ahmet Kerim. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    Catalytic conversion of hydrocarbon fuels within the context of the operation of a fuel processor for supplying hydrogen to vehicular and stationary fuel cells is investigated using computer-based modeling/simulation studies ...
  • A study on hdyrodynamics and heat transfer in a bubble column reactor 
    Kantarcı, Nigar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    A bubble column reactor was designed and the accessory equipments were fixed in order to carry out hydrodynamics and heat transfer measurements. The experiments were initiated with two-phase air-water system and extended ...
  • An investigation of on the properties of Pt-based surface alloys via computational QM methods 
    Sümer, Aslıhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    The adsorption properties of CO on stepped Pt3Sn(102) surface were investigated using quantum mechanical calculations. The two possible terminations of experimentally verified stepped surface, Pt3Sn (102), were generated ...

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