Index Catalog // ScholarsArchive@OSU

Studies of Chitin Nanofiber Production and Photoluminescent Biosilica from Diatoms with and without Germanium

Creator:: LeDuff, Paul A.
Abstract:: There is significant interest in harnessing the biosynthetic capacities of photosynthetic diatom microalgae for the production of unique bioinspired nanomaterials. Specifically, this research focuses on understanding the photoluminescent properties of diatom biosilica and β-chitin nanofiber production in diatoms. Diatoms are single-celled microalgae that possess intricately patterned biosilica shells called, frustules....
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Gregory L. Rorrer There is significant interest in harnessing the biosynthetic

Biological insertion of nanostructured germanium and titanium oxides into diatom biosilica

Creator:: Jeffryes, Clayton S.
Abstract:: There is significant interest in titanium oxide and germanium-silicon oxide nanocomposites for optoelectronic, photocatalytic, and solar cell applications. The ability of the marine diatom Pinnularia sp. to uptake soluble metal oxides from cell culture medium, and incorporate them into the micro- and nano-structure of their amorphous silica cell walls, called...
Resource Type:: Dissertation
Full Text:: Gregory L. Rorrer There is significant interest in titanium oxide and germanium-silicon oxide

Development of a microchannel device for adsorption cooling application

Creator:: Asumpinpong, Kasidid
Abstract:: Single-layer and three-layer microchannel adsorption devices were fabricated by procedure that was newly developed. Aluminum was chosen for metal housing while the adsorption pair was silica gel and water. Each adsorption layer contained two layers of 250 μm-thick silica gel. Both silica gel layers opened to the same layer of...
Resource Type:: Masters Thesis
Full Text:: presented on February 10, 2009 Title: Development of a Microchannel Device for Adsorption Cooling

Conversion of biomass constituents to hydrogen-rich gas by supercritical water in a microchannel reactor

Creator:: Goodwin, Aaron K.
Abstract:: Microreactors offer high rates of heat transfer able to intensify highly endothermic biomass reforming reactions in supercritical water. In this study, two continuous flow microreactor configurations were used to gasify biomass constituents in supercritical water. The first reactor configuration was a micro diameter stainless steel or Hastelloy tube (508 µm...
Resource Type:: Dissertation
Full Text:: . Title: Conversion of Biomass Constituents to Hydrogen-rich Gas by Supercritical Water in a

Cultivation of Laminaria saccharina gametophyte cell cultures in a stirred-tank photobioreactor

Creator:: Qi, Hanshi
Resource Type:: Masters Thesis
Full Text:: saccharina Gametophyte Cell Cultures in a Stirred-Tank Photobioreactor Abstract approved: Dr. Gregory L

Fluid dynamic analysis of fluid flow in a raceway tank for cultivation of macrophytic red algae, Gracilaria vermiculophylla

Creator:: Willis, Myles
Abstract:: As new cost-effective cultivation methods are needed for macrophytic red algae, this experiment expands upon a previously studied land-based approach. The experiment aimed to determine how the fluid dynamics of a previously researched land-based method affected the growth of the macrophytic red alga, Gracilaria Vermiculophylla. A clonal culture of G....
Resource Type:: Honors College Thesis
Full Text:: Blue Transformation. Rome, FAO. https://doi.org/10.4060/cc0461en [13] Joseph A. Kraai, Gregory L

Biomass productivity enhancement of Laminaria saccharina cultures in a stirred-tank bioreactor by batch and fed-batch nutrient delivery

Creator:: Ramanan, Sundar
Resource Type:: Masters Thesis
Full Text:: Cultures in a Stirred-Tank Bioreactor by Batch and Fed-Batch Nutrient Delivery AN ABSTRACT OF THE THESIS

Shear sensitivity and oxygen mass transfer studies during cultivation of tobacco cells in a stirred-tank bioreactor of impeller speeds of 100 to 325 rpm

Creator:: Ho, Chung-Han, 1965-
Resource Type:: Masters Thesis
Full Text:: approved: Dr. Gregory f. Rorrer Suspension cultures of Nicotiana tabacum var Wis. 38 were cultivated in a

Biomolecule detection by amplified photoluminescence of germanium doped diatom biosilica

Creator:: Gale, Debra K.
Abstract:: There is significant interest in the fabrication of nano- and micro-structured silica with spatially ordered features, which exhibit enhanced optoelectronic properties with application to the next generation of display devices, semiconductors, and sensors. Currents methods of fabrication employ top down processes which use extremes of temperature, pressure, and power. There...
Resource Type:: Dissertation
Full Text:: Gregory L. Rorrer There is significant interest in the fabrication of nano- and micro-structured

Silicon and germanium uptake and cell growth by the marine diatom Nitzschia frustulum

Creator:: Jeffryes, Clayton S.
Abstract:: Diatoms are single celled algae that form cell walls made primarily of silicon dioxide (SO₂). The metabolic machinery that gives diatoms the ability to biogenically form highly ordered solid silica from soluble silicon extracted from their external environment provides a unique platform to create novel nanostructured materials inexpensively and with...
Resource Type:: Masters Thesis
Full Text:: Germanium Uptake and Cell Growth of the Marine Diatom Nitzschia frustulum. Abstract approved: Gregory L

ScholarsArchive@OSU

Studies of Chitin Nanofiber Production and Photoluminescent Biosilica from Diatoms with and without Germanium

Biological insertion of nanostructured germanium and titanium oxides into diatom biosilica

Development of a microchannel device for adsorption cooling application

Conversion of biomass constituents to hydrogen-rich gas by supercritical water in a microchannel reactor

Cultivation of Laminaria saccharina gametophyte cell cultures in a stirred-tank photobioreactor

Fluid dynamic analysis of fluid flow in a raceway tank for cultivation of macrophytic red algae, Gracilaria vermiculophylla

Biomass productivity enhancement of Laminaria saccharina cultures in a stirred-tank bioreactor by batch and fed-batch nutrient delivery

Shear sensitivity and oxygen mass transfer studies during cultivation of tobacco cells in a stirred-tank bioreactor of impeller speeds of 100 to 325 rpm

Biomolecule detection by amplified photoluminescence of germanium doped diatom biosilica

Silicon and germanium uptake and cell growth by the marine diatom Nitzschia frustulum

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