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Articles 1 - 4 of 4
Full-Text Articles in Neuroscience and Neurobiology
Optimization And Validation Of The Neurolux Wireless Optoelectronics System For Optogenetics, Karis Courey, Su Hyun Lee Ph.D., Adam Smith Ph.D., Nicholas Cilz Ph.D., Sarah K. Williams Avram Ph.D., Adi Cymerblit-Sabba Ph.D., June Song, Nicholas Leipzig Ph.D., W. Scott Young M.D., Ph.D.
Optimization And Validation Of The Neurolux Wireless Optoelectronics System For Optogenetics, Karis Courey, Su Hyun Lee Ph.D., Adam Smith Ph.D., Nicholas Cilz Ph.D., Sarah K. Williams Avram Ph.D., Adi Cymerblit-Sabba Ph.D., June Song, Nicholas Leipzig Ph.D., W. Scott Young M.D., Ph.D.
Williams Honors College, Honors Research Projects
Utilizing light and genetic engineering, optogenetics permits the manipulation of events within cells via light using the light-sensitive properties of single-component microbial opsins. Microbial opsins are activated by a light source, such as lasers, light-emitting diodes, and incandescent sources that deliver light to the region of interest either directly or indirectly, such as through fiberoptics. In classical in vivo optogenetics, the wiring of optic fibers necessitates tethering of animals by the optic fiber to the light source. The novel NeuroLux wireless optoelectronic system for optogenetics circumvents issues pertaining to classical optogenetics by utilizing near-field power transfer via magnetic coil antennae …
Non-Invasive Method For Leptin Supplementation In Zebrafish (Danio Rerio), Regan Mcnamara
Non-Invasive Method For Leptin Supplementation In Zebrafish (Danio Rerio), Regan Mcnamara
Williams Honors College, Honors Research Projects
I tested the hypothesis that recombinant leptin protein can be introduced to zebrafish in vivo through non-invasive soaking in a solution containing the protein. One way to study various molecules’ effects in vivo is through intraperitoneal or intracerebroventricular injections during the embryonic or larval stage, which is invasive, difficult to administer, and can have a high mortality rate. 48 hours post fertilization (hpf) zebrafish were soaked in a His-tagged recombinant leptin protein solution at 10 nM and 100 nM concentrations (produced by Genscript). After soaking, zebrafish larvae were washed extensively to remove all recombinant protein on their exterior before homogenization. …
Assessing Morphology Of Iprgcs After Traumatic Brain Injury, Brian Foresi, Matt Smith
Assessing Morphology Of Iprgcs After Traumatic Brain Injury, Brian Foresi, Matt Smith
Williams Honors College, Honors Research Projects
ipRGCs are retinal ganglion cells that project to visual processing centers of the brain for nonimage forming visual functions. The relation of ipRGCs to tramatic brain injury (TBI) is emerging as data has been published describing ipRGC functional changes in TBI affected military veterans. Major symptomologies of concussions, a mild form of TBI, also overlap with the function governed by sites in the brain with major ipRGC projection percentages. Assesing if a morphological change is occuring in the ipRGCs after a TBI could support the idea of a pathological mechanism of the injury. This study could also indicate further relevance …
Neuroanatomy Of The Blackspotted Rockskipper, Entomacrodus Striatus, Pooja Dayal
Neuroanatomy Of The Blackspotted Rockskipper, Entomacrodus Striatus, Pooja Dayal
Williams Honors College, Honors Research Projects
Here I characterized the central neuroanatomy of the Blackspotted Rockskipper, Entomacrodus striatus, native to French Polynesia. The neuroanatomy of E. striatus has not been studied prior to this paper. I used several histology and antibody staining techniques to accomplish this, including Crystal Violet, immunohistochemistry, immunofluorescence, and Bielschowsky’s Silver Nitrate staining. This paper describes the most successful techniques used, identifies major structures in the species’ neuroanatomy, and also explains why studying E. striatus is important in the future of vertebrate research.