31 research outputs found
Effects of Craniofacial Structures on Mouse Palatal Closure In Vitro
Heads of Swiss-Webster mouse fetuses of four ages spanning days 12-13 of gestation, were partially dissected by removing the brain (B), tongue (T) and mandible (M) alone or in combination (BT, BM, BTM). Preparations were suspended in a gassed, circulating culture system such that palatal closure must take place against gravity. Closure occurred earlier than in vivo and required the posterior half of the mandible be intact and the tongue removed.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/68249/2/10.1177_00220345780570024401.pd
EXPERIENTIAL LEARNING IN ENGINEERING: BUILDING A ROBOT AND ELECTRONIC CONTROL SYSTEM, R.T.
In order to enhance students’ interest in engineering to improve retention, we have developed a directed study course in robotics and electronic control so that small group of sophomore engineering students can participate in experiential learning projects related to these subjects. In the first project, simple and affordable robot kits were purchased and students developed a robot and associated software that could have a controlled motion within a convex 2D space (simulating motion of a carpet cleaner robot). In the second project an affordable and portable laboratory kit for an engineering control course was developed based on the Ph.D dissertation of R. M. Reck’s at the University of Illinois, Urbana-Champaign. These laboratory projects not only have generated students’ interest in learning control systems and robotics but also created opportunity for collaboration and interaction with other students from local high schools. Supported by the VSU Innovation Grant
Ultrasound and Computed Tomography-Guided Thrombin Injection of a Type 2 Endoleak
Introduction Type II endoleaks are a well-documented complication of endovascular aortic aneurysm repair. This case demonstrates the successful combined use of duplex ultrasound to assist in the percutaneous treatment of type II endoleaks. Case report A 75 year-old man who had previously undergone endovascular aortic aneurysm repair was found to have a type II endoleak. As the result of failure of the transfemoral endovascular coil embolization to repair the leak, the patient underwent computed tomography-and ultrasound-guided thrombin injection of the aneurysm sac via a trans-lumbar approach. Duplex ultrasound proved useful in guiding the placement of the translumbar needle, in confirming the thrombosis of the endoleak, and in demonstrating continued patency of the endograft. Conclusion The two imaging modalities worked in a complementary fashion to guide needle placement and to enable real-time imaging of color-enhanced flow within the aneurysm sac. </jats:sec
