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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

A Cost-Effective And Smart Sensing Tissue-Like Testbed For Surgical Training, Lysette Zaragoza Jul 2023

A Cost-Effective And Smart Sensing Tissue-Like Testbed For Surgical Training, Lysette Zaragoza

McNair Research Journal SJSU

A low-cost tissue-like testbed with six nodes of varying stiffness was developed for surgical training to provide pressure and force feedback data through image reception to human operators. Using SolidWorks, a 3D model of the box trainer housing was created. A pad for the distribution of smartsensing nodes and microcontroller connections was designed with open spaces for the respective components. The pad was 3D-printed with PLA filament. Flat piezoelectric pressure sensors were fabricated with conductive materials and velostat sensor material. Using static and dynamic analyses, three top sensors were chosen to be used in three pressure sensing nodes. A calibration …


Gαi And Gɣ30a Act Downstream Of Tre1 In Drosophila Courtship, Emily Mu Jun 2019

Gαi And Gɣ30a Act Downstream Of Tre1 In Drosophila Courtship, Emily Mu

McNair Research Journal SJSU

The role of genes in morphological development is well understood for a variety of model organisms, but there remains a gap in our understanding of how genetics mediate behavior. Are there master genes that regulate behavior? Answering this question will lead to a better understanding of the development and function of the central nervous system, eventually allowing us to map out the pathways that regulate specific behaviors. We are using Drosophila melanogaster as a model organism and the male courtship ritual as the behavior of interest to study the relationships between genes, neural development, and behavior. Trapped in endoderm 1 …


Insulin Signal Transduction Mediates Ethanol-Induced Feeding Dysfunction In A Fly Model Of Fetal Alcohol Spectrum Disorder, Manae Matsubara Jun 2019

Insulin Signal Transduction Mediates Ethanol-Induced Feeding Dysfunction In A Fly Model Of Fetal Alcohol Spectrum Disorder, Manae Matsubara

McNair Research Journal SJSU

Fetal alcohol spectrum disorder (FASD) is the leading cause of congenital intellectual disabilities in the Western World, with a worldwide prevalence of 2-11% of all births. FASD is preventable but recent epidemiological studies suggest that public awareness campaigns have reached the limits of their effectiveness. Therefore, research is shifting from prevention to treatment and mitigation of symptoms. No biological treatments for FASD exist, due in part to the fact the cellular mechanisms of alcohol toxicity are not well-understood. Developmental alcohol exposure (DAE) causes a variety of deleterious effects in both vertebrates and invertebrates, including increased mortality, slow growth, learning and …