Physics: Recent submissions
Now showing items 1-20 of 70
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Inherent fibrin fiber tension propels mechanisms of network clearance during fibrinolysis
(2020-04-15)Proper wound healing necessitates both coagulation (the formation of a blood clot) and fibrinolysis (the dissolution of a blood clot). A thrombus resistant to clot dissolution can obstruct blood flow, leading to vascular ... -
Assessment of single-spot TOPAS MC simulation for proton pencil beam scanning in homogeneous and heterogeneous media and quantification of dosimetric impact of CT metal artifact on IMPT and VMAT plans
(East Carolina University, 2020-11-17)Proton pencil beam scanning (PBS) radiation therapy has become thriving worldwide. The accuracy of proton dose calculation that based on proper modeling for each single scanning spot as well as accurate CT image data is ... -
An Initial Calibration of a Proton Induced X-ray Emission (PIXE) Material Analysis System Using GUPIXWin
(East Carolina University, 2020-11-17)Proton induced x-ray emission (PIXE) technology has been used extensively over the last few decades to perform highly accurate multi-elemental trace element analyses with much success. The recent implementation of a new ... -
Construction of realistic hybrid computational fetal phantoms from radiological images in three gestational ages for radiation dosimetry applications
(2019-10-10)Radiation exposure and associated radiation risks are major concerns for fetal development for pregnant patients who undergo radiation therapy or diagnostic imaging procedures. In order to accurately estimate the radiation ... -
Inherent Fibrin Fiber Tension Propels Mechanisms of Network Clearance During Fibrinolysis
(2020-02-25)Proper wound healing necessitates both coagulation (the formation of a blood clot) and fibrinolysis (the dissolution of a blood clot). A thrombus resistant to clot dissolution can obstruct blood flow, leading to vascular ... -
Localization of soniferous fish using a sparse hydrophone array and conventional steered response power method
(East Carolina University, 2019-12-10)A sparse seven-channel hydrophone array was deployed in intertidal marsh creeks located within the North-Inlet-Winyah-Bay Nature Reserve at Baruch Marine Field Laboratory in Hobcaw Barony, Georgetown, South Carolina, USA. ... -
Construction of realistic hybrid computational fetal phantoms from radiological images in three gestational ages for radiation dosimetry applications
(2019-10-10)Radiation exposure and associated radiation risks are major concerns for fetal development for pregnant patients who undergo radiation therapy or diagnostic imaging procedures. In order to accurately estimate the radiation ... -
Flow cytometer apparatus for three dimensional diffraction imaging and related methods
(2009-12-17)A flow cytometer assembly includes a fluid controller configured to form a hydrodynamically focused flow stream including an outer sheath fluid and an inner core fluid. A coherent light source is configured to illuminate ... -
Multi-wavelength beam splitting systems for simultaneous imaging of a distant object in two or more spectral channels using a single camera
(2016-09-29)An optical imaging system and related methods are provided that acquire images of an object at a distance in different spectral regions using only one camera. The systems and methods are adaptable to applications where ... -
Flow cytometer apparatus for three dimensional difraction imaging and related methods
(2015-04-21)A flow cytometer assembly includes a fluid controller configured to form a hydrodynamically focused flow stream including an outer sheath fluid and an inner core fluid. A coherent light source is configured to illuminate ... -
Methods and systems for optically characterizing a turbid material using a structured incident beam
(2010-04-08)Methods and systems for optically characterizing a turbid sample are provided. A structured light beam is impinged on the sample. The sample includes an embedded region. A reflected light image of the structured light beam ... -
Generation of Pseudo-CT using Two Sets of MRI Scans for MRI-only Radiation Therapy
(East Carolina University, 2019-07-16)WWith increasing interests in magnetic resonance imaging (MRI)-only radiation therapy (RT) and the emergence of MRI system integrated with the linear accelerator, a method substituting the computed tomography (CT) in ... -
FETUS PHANTOM CONSTRUCTIONS FOR OVERWEIGHT AND OBESE PREGNANT FEMALES FOR RADIOLOGICAL APPLICATIONS
(East Carolina University, 2019-06-07)Radiation exposure and associated radiation risks are major concerns for fetal development for pregnant patients in general, and in particular for overweight and obese pregnant patients who undergo diagnostic imaging or ... -
Particle motion and sound propagation near boundaries
(2019-07-09)It has been well-established that the inner ears of fishes act as particle motion detectors (Popper and Hawkins, 2018) and that fishes use particle motion to determine the direction of a sound source (Hawkins and Popper, ... -
Evaluation of Magnetic Resonance Imaging in Prostate Radiotherapy for Improved Treatment Outcomes
(East Carolina University, 2019-05-01)External beam radiation therapy is among the most common modalities of curative treatment for prostate cancer and has evolved substantially with the inclusion of multimodality imaging in treatment planning. It has been ... -
PROFILING EFFUSION CELLS BY QUANTITATIVE ANALYSIS OF MORPHOLOGY AND DIFFRACTION IMAGING PATTERNS
(East Carolina University, 2019-04-12)Profiling cells in human pleural and peritoneal effusion (PPE) samples is an essential task for cytological diagnosis of cancers and patient management. Conventional PPE cytology of a PPE sample is labor intensive and its ... -
Perturbation of Circadian Neuronal Oscillators with Low-Intensity Magnetic Stimulation
(East Carolina University, 2019-04-23)Circadian neuronal oscillatory dynamics are perturbed substantially in numerous neuropsychiatric diseases, such as Alzheimer's, Parkinson's, and depression. Moreover, desynchronization of neuronal oscillators complicates ... -
Characterization of critical spawning habitats of weakfish, spotted seatrout and red drum in Pamlico Sound using hydrophone surveys
(1999)Final report for "Characterization of critical spawning habitats of weakfish, spotted seatrout and red drum in Pamlico Sound using hydrophone surveys." -
uantitative characterization of turbidity by radiative transfer based reflectance imaging
(2018-04-04)A new and noncontact approach of multispectral reflectance imaging has been developed to inversely determine the absorption coefficient of μ a , the scattering coefficient of μs and the anisotropy factor g of a turbid ...