# Browse Dissertations - Biophysics and Computational Biology by Title

• (2011-05-25)
The folding of interphase chromatin into large-scale chromatin structure and its spatial organization within nucleus has been suggested to have important roles in gene regulation. In this study, we created engineered ...

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• (2011-05-25)
The bacteria Rhodobacter sphaeroides uses photosynthetic reaction centers to convert light into chemical energy. Light absorption by the reaction center results in electron transfer through a series of cofactors, the ...

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• (1995)
Magnetic resonance (MR) is a rapidly growing versatile and non-destructive tool for investigation of various aspects of biochemistry, physiology and disease. It is valuable to evaluate the new MR techniques and apply them ...

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• (1989)
Bacterium Rhodopseudomonas viridis has four c-type cytochromes integrated to a single protein subunit of the reaction center complex. Two of them are high redox midpoint potential hemes (cyt-c559; Em = 380 mV and cyt-c556; ...

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• (1991)
This thesis is a report of cation effects on the purple membrane of Halobacterium halobium. Included are proton and divalent cation studies using purple, blue, and pink membranes and the apoprotein. The blue species of ...

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• (1993)
Guinea pig left atria were suspended in a tissue bath of normal Krebs-Henseleit solution which was aerated with 95% O$\sb2$/5% CO$\sb2$ and maintained at 27$\sp\circ$C. The atria were attached to a force transducer and ...

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• (1983)
The contractile strength of heart muscle is strongly dependent on the rate of beating, and on the pattern of previous contractions over a period of many seconds. The activator calcium ions, which are responsible for the ...

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• (1990)
The ability of myofilament space calcium to modulate the sarcoplasmic reticulum (s.r.) calcium release channel in skeletal muscle was investigated. Two different experimental techniques were used to study this phenomenon. ...

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• (1964)

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• (1994)
Cone visual pigments are responsible for color vision. Although a large amount is known about rod pigments, relatively little is known about cone pigments. This thesis describes the identification and characterization of ...

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• (1968)

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• (1972)

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• (1983)
The three themes of the thesis are: (1) the search for light-activated enzymes in octopus photoreceptors analogous to those found in vertebrates' photoreceptors, (2) the question of which photointermediate(s) of photoexcited ...

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• (2014-05-30)
Thanks to the improvement of genome sequencing technology, abundant multi-species genomic data now became available and comparative genomics continues to be a fast prospering filed of biological research. Through the ...

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• (2010-08-31)
The last decade has seen an explosion of data arising from the development and proliferation of high-throughput data gathering and analysis pipelines. In order to transform this data into useful hypotheses and conclusions, ...

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• (2012-09-18)
Purple photosynthetic bacteria achieve remarkably high light harvesting efficiency, thus reconciling multiple competing processes in the chromatophore. The first step in photosynthesis is the capture and transport of light ...

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• (2010-05-20)
Evolutionary transitions, times at which the behavior of evolution as a dynamic system dramatically changes, have occurred many times throughout the history of life on Earth. Carl Woese proposed that one such transition ...

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• (1975)

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• (2011-01-14)
Understanding the origins of life on Earth is one of the most intriguing problems facing science today. In the research presented here, we apply computational methods to explore origins of life scenarios. In particular, ...

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• (2009)
Mechanical proteins perform a vital role in cells by transmitting and bearing mechanical forces involved in cell growth, locomotion, and adhesion. Little is known at the molecular level that explains how such proteins are ...

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