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Full-Text Articles in Molecular Biology

Electron Transport To Photosystem I By Soluble Carriers: Evolution Of The Interacting Pair, Khoa Dang Nguyen Aug 2016

Electron Transport To Photosystem I By Soluble Carriers: Evolution Of The Interacting Pair, Khoa Dang Nguyen

Doctoral Dissertations

Oxygenic photosynthesis is driven via sequential action of Photosystem II (PSII) and (PSI) reaction centers via the Z-­‐scheme. Both of these pigment– membrane protein complexes are found in cyanobacteria, algae, and plants. PSI, unlike PSII, is remarkably stable and does not undergo limiting photo-­‐damage. This stability, as well as other fundamental structural differences, makes PSI the most attractive reaction centers for applied photosynthetic applications. These applied applications exploit the efficient light harvesting and high quantum yield of PSI where the isolated PSI particles are redeployed providing electrons directly as a photocurrent or, via a coupled catalyst to yield H2. Here, …


Modification Of Carbohydrate Active Enzymes In Switchgrass (Panicum Virgatum L.) To Improve Saccharification And Biomass Yields For Biofuels, Jonathan Duran Willis Aug 2016

Modification Of Carbohydrate Active Enzymes In Switchgrass (Panicum Virgatum L.) To Improve Saccharification And Biomass Yields For Biofuels, Jonathan Duran Willis

Doctoral Dissertations

The natural recalcitrance of plant cell walls is a major commercial hurdle for plant biomass to be converted into a viable energy source as alternative to fossil fuels. To circumvent this hurdle manipulation of carbohydrate enzymes active in the cellulose and hemicellulose portions of the plant cell wall can be utilized to improve feedstocks. Production of cellulolytic enzymes by plants have been evaluated for reducing the cost associated with lignocellulosic biofuels. Plants have successfully served as bioreactors producing bacterial and fungal glycosyl hydrolases, which have altered plant growth to improve saccharification. A bioprospecting opportunity lies with the utilization of insect …


Nanocomposite Adhesive Of English Ivy (Hedera Helix): Bioproduction, Nanoparticle Isolation, And Molecular Analysis, Jason Neil Burris Aug 2016

Nanocomposite Adhesive Of English Ivy (Hedera Helix): Bioproduction, Nanoparticle Isolation, And Molecular Analysis, Jason Neil Burris

Doctoral Dissertations

English ivy naturally produces organic nanoparticles from its adventitious root hairs, and possesses characteristics that may allow them to replace metal-based nanoparticles in common applications, such as sunscreen. At the onset of the research, it was hypothesized that a physical mechanism of attachment, similar to the gecko footpad, was used to generate the adhesive force for attachment; however, through the results obtained from recent work, it is clear that a biochemical mechanism is involved in the generation of the strength of adhesion. Therefore, the goal of this research was to provide a better understanding of the genetic basis of nanoparticle …