Announcements

Physics Department Seminar 03-05-2010

 Development of fluorescent nuclear track detector technology for mixed radiation field dosimetry

Jeff Sykora

Landauer Inc.

Oklahoma State University, Department of Physics

Experiences in a Ph.D. program in physics are one of a kind, focused on but not limited to science. I will talk about my recent adventures transitioning from an undergraduate at Creighton to finishing Ph.D. work at Oklahoma State University. I will also discuss my research summarized below.
Location
HL G59
Date of Event
Contact info
Dr. Jack Gabel
Seminars
Special Events

10-03-2008 Physics Seminar - Joey Butterworth

Modeling Ultra Peripheral Collisions

Joey Butterworth

Physics Department, Creighton University

Through the use of Monte Carlo methods, we are able to simulate electromagnetic interactions of nuclei that traveling by one another--Also known as ultra peripheral collisions. This presentation will give a brief look into Monte Carlo methods and how they are applied to the simulation of ultra peripheral collisions.

Location
Hixson Lied G59
Date of Event
Contact info
Dr. Patricia Soto
Seminars
Student Content

10-03-2008 Physics Seminar - Lauren Dwyer

The Nuclear Science Merit Badge

Lauren Dwyer

Physics Department, Creighton University

Each March, Creighton University hosts a workshop for local Boy Scouts to learn the uses, applications, and basics of nuclear science. As part of outreach efforts, a webpage has been created that serves as a comprehensive resource for the Nuclear Science Merit Badge for all scouts nationally. The webpage has several features that help a scout complete the badge.

Location
Hixson Lied G59
Date of Event
Contact info
Dr. Patricia Soto
Seminars
Student Content

Seminar: Attribution Based Confidence Metric for Neural Networks

Dr. Steven Fernandes and his research team proposed a novel confidence metric called the attribution-based confidence (ABC) metric for deep neural networks (DNNs). The ABC metric characterizes whether the output of a DNN on an input can be trusted. DNNs are known to be brittle on inputs outside their training distribution and are hence susceptible to adversarial attacks.

Location
HLSB G-59
Date of Event
Contact info
thomaswong@creighton.edu
Special Events
seminar

Seminar: Nuclear Medicine’s Age of Enlightenment: 2012 to ???

Dr. John J. Sunderland, PhD, MBA
Professor of Radiology-Division of Nuclear Medicine
Carver College of Medicine
University of Iowa

Abstract: The use of radioactive decay and their particulate and gamma-ray emissions in medical imaging and therapy dates back to the late 1930’s with the use of radioactive Iodine. Use of nuclear medicine expanded substantially in the 1960’s with the advent of the gamma camera, and then scientific excitement was boosted again with the invention of positron emission tomography (PET scanning) in the late 70’s. These nuclear technologies demonstrated the ability not to image the anatomy (like x-rays, CT, and later MRI), but to image the actual molecular biochemical underpinnings of diseases, like cancer (the Warburg Effect – look it up!), heart disease, and Alzheimer’s disease.

Clinical use of PET imaging began is the early 1990’s. Creighton University had one of the first clinical PET facilities in the US, opening in 1991 on Dorcas Street, complete with its own cyclotron used to produce radioactive 18F, 11C, 13N, 15O. But challenges to Medicare and insurance reimbursement coupled with regulatory complexities, mostly from FDA, resulted in slow growth, and even stagnation of the field.

Beginning around 2012, through advances in radiation detector technology, computing power, corporate investment, and infrastructure building, nuclear imaging and in particular, radiopharmaceutical therapy have taken off into one of the fastest growing segments of medicine today.

Location
HLSB, G-59
Date of Event
Contact info
Dr. Thomas Wong <thomaswong@creighton.edu>
Special Events
seminar
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