Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 317 for “"cell cultures"”.
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Glyphosate Resistance in Plant Cell Cultures
… varied depending upon the growth stage of the cells at the time of each measurement, suggesting the presence of a less sensitive EPSPS enzyme that fluctuates in amount over time in this line.
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Steroid Stimulated Protein Synthesis in Fish Cell Cultures
Protein synthesis in Gonad primary cell cultures and Chinook Salmon Embryo cell cultures (CHSE-214) was stimulated by 17-beta-estradiol, 17-alpha-hydroxyprogesterone, and testosterone. Cells were treated for six hours with a 10-6 M concentration of steroid and radiolabelled with 35s-methionine for …
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Protein Synthesis in Bovine Mammary Gland Cell Cultures
Made available in DSpace on 2014-12-12T00:36:24Z (GMT). No. of bitstreams: 1 7317269.pdf: 4467333 bytes, checksum: abe089dc301f8e65b7d58b6541384da7 (MD5) Previous issue date: 1972
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Biotransformation studies on tobacco cembranoids using plant cell cultures
… studies on tobacco cembranoids using the plant cell culture lines coded as TRP4a and T-43-T which are derived from Tripterygium wilfordii, an important Chinese herbal plant, and Nicotiana sylvestris, respectively. The studies are divided into three parts: 1) Biotransformation of the diols 1 and …
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Enhanced yield of medicinal products from Tripterygium cell cultures
The growth of cell suspensions of the Asian medicinal plant Tripterygium wilfordii was manipulated in order to produce large amounts of pharmacologically active diterpene and triterpene natural products. A method was developed where elicitation with a strain of the fungus Botrytis stimulated the …
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Growth and Characterization of Cell Cultures of Rainbow Trout
Gonad and spleen primary cultures of rainbow trout (Salmo gairdneri Richardson) were initiated and compared to the rainbow trout gonad transformed cell line RTG-2. The RTG-2 cell line grew faster than the gonad primary cultures. The chromosome number of the gonad primary culture was 2n=56 with 104 …
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Diffusion and reaction of nitric oxide in cell cultures
… is synthesized throughout the body and its intercellular signalling and other functions are necessary for health. However, its mutagenic effects make it a potential cause of cancer, if it is produced at a high enough rate for a sufficient time. Sustained overproduction of NO may occur, for …
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Inducible Gene Expression in Cell Cultures and in Microencapsulated Cells
… control gene expression in transformed mammalian cells in a temporal and spatial fashion. Such a promoter activation system consists of three components: The first of these is a steroidal inducer drug, mifepristone. This drug binds to the second component, a chimeric transcription factor complex, …
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Long term functional and morphological characterization of muscle cell cultures
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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Visualization and quantification of autophagy in primary gastrointestinal epithelia cell cultures.
Autophagy is an intracellular bulk degradation pathway which can be used during cellular maintenance to encapsulate and target intracellular content such as organelles and proteins to be degraded by the lysosome. The autophagosome is a double membrane vesicle which is used to encapsulate this …
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Insulin-mediated inhibition of tyrosinase activity and protein synthesis in melanoma cell cultures
… in tyrosinase in Cloudman S-91 mouse melanoma cell cultures. These cultures are very sensitive to insulin. A concentration of insulin as low as 5 x 10 M insulin produces optimum inhibition. At maximum inhibition, tyrosinase activity is reduced to approximately 50% of control levels. Insulin …
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Immunogenicity and Quantitation of Soluble Anaplasma Marginale Antigens From Cell Cultures and Blood
Short-term Anaplasma marginale cultures were initiated utilizing infected bovine blood from a splenectomized calf at various periods during acute parasitaemia employing Medium 199 supplemented with 10% adult bovine serum and 25 mM HEPES buffer. Better growth was observed in cultures initiated with …
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The Pathogenicity of Duck Hepatitis Virus for Duck Cell Cultures, Chickenembryos and Ducklings
Made available in DSpace on 2014-12-09T22:30:04Z (GMT). No. of bitstreams: 1 6500814.pdf: 4014156 bytes, checksum: 79fedf95640242ddf87f56b7c98729e1 (MD5) Previous issue date: 1964
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Exploring Ciliary Dynamics: Assessing Motility and Induced Velocity in Human Airway Cell Cultures
… they are significantly packed within a cell. Due to the high cilia density, steric interactions between cilia are thus possible. Moreover, cilia are immersed in a non-Newtonian fluid, whose elastic modulus plays an important role for the synchronisation and are tethered by mucins that …
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Effects of sulfur complexation on intestinal transport and toxicity of metalloids in cell cultures
… of selenosulfate compared to selenite for cancer cell lines led to the claim of replacing selenite by selenosulfate in anti-cancer therapies. In the first two studies of the present thesis, intestinal transport (e.g. bioavailability), cellular retention, and cytotoxicity of thioarsenates were …
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Data-driven Dynamic Control Scheme for Antibody Producing CHO Cell Cultures in Fed-batch
… controlling the behaviour of billions of cells in a bioreactor that evolves with non-linear dynamics over time. Variability in cell culture behaviour arising from heterogeneous culture conditions, product types, and cell types make developing a generalised control action challenging. …
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The Effects of Neuropathy-Inducing Organophasphate Esters om Chick Dorsal Root Gangli Cell Cultures
Cultures of dorsal root ganglia (DRG) can achieve neuronal maturation with axons, making them useful for neurobiological studies. They have not, however, previously been used to investigate subcellular events that occur following exposure to neuropathy-inducing organophosphorus (OP) esters. Recent …
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Nitric oxide production by tobacco plants and cell cultures under normal conditions and under stress
Stickstoffmonoxid (NO) ist ein gasförmiges freies Radikal. In tierischen Geweben ist NO an der Regulation vieler physiologischer Prozesse beteiligt. In den letzten zehn Jahren wurde immer wahrscheinlicher, dass NO auch in Pflanzen als „second messenger“ fungiert. Besonderes Interesse fanden …
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