Publications by authors named "Z W Ko"
Introduction: Clubfoot remains the most common birth defect involving the musculoskeletal system. There are various surgical and non-surgical treatment options available for the management of clubfoot. Using the minimally invasive Ilizarov external fixator method has been reported to have good success rates and fewer complications.
View Article and Find Full Text PDFWe report an ultrahigh-speed and high-resolution line-scan spectral-domain optical coherence tomography (SD-OCT) system that integrates a number of mechanisms for improving image quality. The illumination uniformity is significantly improved by the use of a Powell lens; Phase stepping and differential reconstruction are combined to suppress autocorrelation artifacts; Nonlocal means (NLM) is employed to enhance the signal to noise ratio while minimizing motion artifacts. The system is capable of acquiring cross-sectional images at more than 3,500 B-scans per second with sensitivities between 70dB and 90dB.
View Article and Find Full Text PDFArticle Synopsis
- - This study explores the growth of defect-free zinc blende GaAs nanowires on silicon substrates using the molecular beam epitaxy method with an emphasis on the Au-assisted vapor-liquid-solid technique.
- - Key factors such as substrate temperature, growth time, and As/Ga flux ratio are analyzed for their effects on the morphology and structure of the nanowires, revealing optimal conditions for achieving uniform and straight nanowires.
- - The research also investigates the impact of doping with silicon and beryllium, which enhances the semiconductor properties of the nanowires, making them suitable for future applications in advanced III-V group nanostructures.*
Congenital cardiovascular defects are the leading cause of birth defect related death. It has been hypothesized that fluid mechanical forces of embryonic blood flow affect cardiovascular development and play a role in congenital malformations. Studies in small animal embryos can improve our understanding of congenital malformations and can lead to better treatment.
View Article and Find Full Text PDFPurpose: The current study utilized the Disability-Stress-Coping Model to conceptualize how disease-related risk factors (disease severity, age of diagnosis, and disease burden) and psychosocial resilience factors (coping efficacy, family cohesion, and quality of life) influence health care transition (HCT) readiness when controlling for age and disease severity [1]. Additionally, the impact of low HCT readiness on emergency room visits and medication adherence was examined.
Methods: The sample was comprised of 41 adolescents with chronic kidney disease (CKD) who ranged in age from 13 to 18 years (Mean=15.