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 420 for “"tryptophan"”.
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Synthesis of aza-tryptophan derivatives.
The preparation of racemic 7-azatryptophan from 7-azaindole has been accomplished. The aldol condensation of 1-tert-butoxycarbonyl-3-formyl-7-azaindole with methyl hippurate installed the carbon framework necessary for the intended product. Subsequent deoxygenation and deprotection of the indole, …
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Physiological Studies of Tryptophan Biosynthesis
Made available in DSpace on 2014-12-09T22:04:20Z (GMT). No. of bitstreams: 1 6915374.pdf: 5036251 bytes, checksum: c339ba6a6af713e82a113e157d04e7ed (MD5) Previous issue date: 1969
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Tryptophan availability modulates serotonin release
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1990.
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Studies on Tryptophan Permease in Escherichia Coli
Made available in DSpace on 2014-12-05T21:45:38Z (GMT). No. of bitstreams: 1 6206111.pdf: 4089427 bytes, checksum: 40ea385eff6381256802fef1952f9dc7 (MD5) Previous issue date: 1962
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Utilization of D-Tryptophan by the Chick
Made available in DSpace on 2014-12-05T17:47:27Z (GMT). No. of bitstreams: 1 0015247.pdf: 3826388 bytes, checksum: 26202973edd2dcf9d92ca956659e3aeb (MD5) Previous issue date: 1955
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The Role of Tryptophan in Animal Nutrition
Made available in DSpace on 2014-12-05T17:47:44Z (GMT). No. of bitstreams: 1 6003972.pdf: 5851343 bytes, checksum: 2c29f8bce63cac96c75b677e50c81300 (MD5) Previous issue date: 1960
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Studies on Escherichia coli tryptophan repressor-operator interactions
Trp repressor regulates the expression of TrpEDCBA, aroH, and TrpR operons. Recently, X-ray crystallographic analysis of a Trp repressor-operator complex has suggested a stoichiometry of one repressor dimer to one operator without any direct hydrogen bonds between repressor residues and operator …
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Transcriptional regulation of the human tryptophan hydroxylase gene
This document only includes an excerpt of the corresponding thesis or dissertation. To request a digital scan of the full text, please contact the Ruth Lilly Medical Library's Interlibrary Loan Department (rlmlill@iu.edu).
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Nicotinic Acid and Tryptophan Metabolism in the Chick
Made available in DSpace on 2014-12-05T17:47:20Z (GMT). No. of bitstreams: 1 0010474.pdf: 3461934 bytes, checksum: b2bd54ead012d8a3b6a641499b30de51 (MD5) Previous issue date: 1954
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Tryptophan and indole accumulation by Escherichia coli mutants
Thesis: Sc. D., Massachusetts Institute of Technology, Department of Nutrition and Food Science, 1964
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Tryptophan-Abkömmlinge in wirbellosen Meerestieren : Isolierung, Struktur und Funktion
… untersucht. Als Hauptmetabolit konnte 5-Hydroxytryptophan (186) isoliert werden, das ein Redoxpotential mit antioxidativen Möglich-keiten besitzt. Mehrere Aufsammlungen wurden mittels HPLC und NMR-Spektroskopie quantifiziert. Der durchschnittliche Gehalt von (0.45 ± 0.23) bestätigte die …
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Studies on the Accumulation of Tryptophan by Escherichia Coli
Made available in DSpace on 2014-12-05T21:45:34Z (GMT). No. of bitstreams: 1 6101598.pdf: 2676366 bytes, checksum: cf06f01f74b5430eb269bcd5b31f6c5e (MD5) Previous issue date: 1961
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The molecular bases of tryptophan replacement effects in RecA: A biochemical and biophysical characterization of single- and null- tryptophan mutant Escherichia coli RecA proteins
… process. The rapid timescale of changes in tryptophan fluorescence and the precise placement of fluorescence probes in the RecA protein provide a unique opportunity to obtain structural information from active complexes in real-time (nanoseconds-milliseconds) consistent with transient …
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Metagenomics-Based Tryptophan Dimer Natural Product Discovery and Development Pipeline
… activity arise from the dimerization of tryptophans, such as staurosporine, rebeccamycin, and violacein. To discover novel tryptophan dimers (TDs), we have designed a metagenomics-based TD natural product discovery and development pipeline that consists of seven steps: 1) soil eDNA …
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Mapping RNA Binding Surfaces on Hfq Using Tryptophan Fluorescence Quenching
… more complex RNA sequences interact with Hfq, a tryptophan fluorescence quenching (TFQ) assay has been developed. Here it is presented that TFQ can correctly identify the binding face for two control sequences, A15 and U6, using the E. coli, S. aureus and L. monocytogenes Hfq homologues. Using …
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Interplay Between Tryptophan Metabolites and the Virulence Factors of Enteric Pathogens
… nutrients: carbohydrates, proteins, and fats. Tryptophan is an essential amino acid taken from the diet and plays an important role in protein biosynthesis. Tryptophan is also metabolized to different small molecules and its metabolic products are known to be present in high concentrations in …
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