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Filtering by: Creator Chen, Peter Y. S. Remove constraint Creator: Chen, Peter Y. S. Degree Level Bachelor's Remove constraint Degree Level: Bachelor's Non-Academic Affiliation Oregon State University. Undergraduate Research, Scholarship, and the Arts (URSA) Remove constraint Non-Academic Affiliation: Oregon State University. Undergraduate Research, Scholarship, and the Arts (URSA)

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  • Optical Tweezer Trapping of Colloidal Polystyrene and Silica Microspheres

    Creator:
    Peters, Kyle C.
    Abstract:
    Optical trapping is a tool used throughout a wide variety of disciplines rang- ing from precisely probing and manipulating sub-micron organisms in biol- ogy to analyzing fundamental charge transfer in colloidal physics. This thesis presents research involving optical tweezer force measurements of polystyrene and silica microspheres. In addition, preliminary work...
    Resource Type:
    Undergraduate Thesis
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    overfill the back aperture (L3 & L4). L3 is mounted on an adjustable x-y-z-plane stage, which is used to

  • How sweet is the land? Modeling caloric landscapes for tropical hummingbirds

    Creator:
    Birkett, Christina Nozomi and Birkett, Nozomi Fukui
    Abstract:
    Pollination is a critical ecosystem function for sustaining biodiversity. However, pollinators and the services they provide are threatened by landscape-altering anthropogenic activities across the globe. Habitat loss and fragmentation, introduction of invasive species, chemical use, and urbanization have been shown to impact pollination. Pollinator foraging behavior is thought to be...
    Resource Type:
    Undergraduate Thesis
    Full Text:
    L Y C 7 3 Palicourea padifolia Sh G 40 5 S N O 9 4 Glossoloma tetragonus Sh

  • The Role of Arabidopsis RNA-Dependent RNA Polymerase Genes 3, 4 and 5 in Antiviral Defense

    Creator:
    Lowery, Nicholas C.
    Abstract:
    RNA silencing plays a critical role in plant defense against viral infection. Plants use virusderived small interfering RNA to target and silence invading viruses. The antiviral silencing pathway can be broken down into three conceptual stages: initiation, amplification, and systemic movement. The molecular mechanisms of silencing initiation are not well...
    Resource Type:
    Honors College Thesis
    Full Text:
    . Peragine, M. Y. Park, and R. S. Poethig. 2005. A pathway for the biogenesis of trans-acting siRNAs in

  • The Effects of the Immunity Factor Relish on Aging Phenotypes in Drosophila melanogaster

    Creator:
    Kumar, Nandita
    Abstract:
    Aging is a complex biological phenomenon that alters many different physiological processes. Although many age-related phenotypes, such as neurodegeneration, weakening circadian rhythms, and inflammaging, are well-studied, the links between them are not. To elucidate these links we created an inflammation-like state in Drosophila melanogaster by overexpressing Relish (Rel), an NFκB...
    Resource Type:
    Honors College Thesis
    Full Text:
    tim/+ A re a o f H o le s (μ m 2 ) Figure 6. Neurodegeneration in flies with manipulated

  • A novel method for detecting lines on a noisy image

    Creator:
    Lin, Daniel
    Abstract:
    We developed an integration-based line detection algorithm. Existing line detection methods such as the Hough Transformation (HT) and its variants are insensitive to image noise. The reason is that HT finds lines by calculating the gradient of the image and assumes that the region where the gradient is the steepest...
    Resource Type:
    Undergraduate Thesis
    Full Text:
    that regions on the image that is filled with noise would be cancelled. Finally, we place C into S(x, y

  • Electrical Transport Measurements Show Intrinsic Doping and Hysteresis in Graphene p-n Junction Devices

    Creator:
    Plunkett, Garrett R.
    Abstract:
    Understanding the electrical transport properties of graphene provides a basis for determining its future as a potential semiconducting device that can be used for the next generation of transistors and photodetectors. Graphene p-n junctions can also function as field effect transistors, and thus are a logical starting point for I-V...
    Resource Type:
    Undergraduate Thesis
    Full Text:
    form σ bonds between S and Px orbitals and between S and Py orbitals to form a total of three bonds

  • Characterization of Fer1L6 lipid binding properties and its expression in cell cycle

    Creator:
    Chau, Trisha J.
    Abstract:
    Ferlins are a family of calcium-sensitive proteins involved in fusion and fission membrane trafficking events. There are six ferlin members: dysferlin, otoferlin, myoferlin, Fer1L4, Fer1L5, and Fer1L6. Previous research shows the first three ferlins play a pathophysiological role in humans, while the other three remain uncharacterized. Fer1L6 is one of...
    Resource Type:
    Honors College Thesis
    Date Created:
    Full Text:
    , 250 (1–2), 71–78. (5) Bansal, D.; Miyake, K.; Vogel, S. S.; Groh, S.; Chen, C.-C.; Williamson, R

  • Comparing Chemical Kinetic Model Reduction Techniques Using pyMARS

    Creator:
    Mestas, Phillip O., III
    Abstract:
    Accurately modeling the chemistry of conventional and alternative liquid transportation fuels in combustion technology is vital to predicting important quantities such as the burning rate, heat release, and pollutant emissions. However, incorporating detailed chemical kinetic models into reactive-flow simulations poses a significant challenge due to the associated high computational expense...
    Resource Type:
    Honors College Thesis
    Full Text:
    methods”. In: (2011). doi: 10.1016/ j.combustflame.2010.12.010. [9] W. Sun, Z. Chen, X. Gou, and Y. Ju