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University of Texas

4 ARTICLES PUBLISHED IN JoVE

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Biology

Monitoring Plant Hormones During Stress Responses
Marie J. Engelberth 1, Jurgen Engelberth 1
1Department of Biology, University of Texas

A simple method is provided that allows for the rapid extraction and analysis of multiple plant hormones from small tissue samples. The procedure uses vapor phase extraction as the solemn purification step. Samples are analyzed by GC/MS with chemical ionization that produces mainly (M+1)+ ions.

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Medicine

Surgical Technique for Spinal Cord Delivery of Therapies: Demonstration of Procedure in Gottingen Minipigs
Thais Federici 1, Carl V. Hurtig 1, Kentrell L. Burks 1, Jonathan P. Riley 1, Vibhor Krishna 2, Brandon A. Miller 1, Eric A. Sribnick 1, Joseph H. Miller 3, Natalia Grin 1, Jason J. Lamanna 1,4,5, Nicholas M. Boulis 1
1Department of Neurosurgery, Emory University, 2Department of Neuroscience, Medical University of South Carolina, 3Division of Neurosurgery, University of Alabama, Birmingham, 4Department of Biomedical Engineering, Georgia Institute of Technology , 5Department of Biomedical Engineering, Emory University

Short visual description of the surgical technique and device used for the delivery of (gene and cell) therapies into the spinal cord. The technique is demonstrated in the animal but is entirely translatable and currently being used for human application.

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Behavior

Task Interruption and Resumption Paradigm for Testing the Activation and Pursuit of an Abstract Thinking Goal
Jae-Eun Namkoong 1, Marlone D. Henderson 2
1Managerial Sciences Department, University of Nevada, 2Department of Psychology, University of Texas

This protocol was designed to test the activation and pursuit of cognitive goals (e.g., an abstract thinking goal) using the task interruption and resumption paradigm. The protocol is suitable for cognitive goals that are automatically pursued once activated, as the distraction procedure prevents goal pursuit during the interruption period.

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Neuroscience

Modeling Neonatal Intraventricular Hemorrhage Through Intraventricular Injection of Hemoglobin
Brandon A. Miller 1,2, Shelei Pan 3, Peter H. Yang 3, Catherine Wang 1, Amanda L. Trout 1, Dakota DeFreitas 3, Sruthi Ramagiri 3, Scott D. Olson 2, Jennifer M. Strahle 3,4,5
1Department of Neurosurgery, University of Kentucky, 2Department of Pediatric Surgery, University of Texas, 3Department of Neurological Surgery, Washington University in St. Louis School of Medicine, 4Department of Orthopedic Surgery, Washington University in St. Louis School of Medicine, 5Department of Pediatrics, Washington University in St. Louis School of Medicine

We present a model of neonatal intraventricular hemorrhage using rat pups that mimics the pathology seen in humans.

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