Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Valencia Joyner Koomson"'
Autor:
Valencia Joyner Koomson, Sylvester M Sefa-Yeboah, Matilda Steiner-Asiedu, Firibu K. Saalia, Kwabena Osei Annor, Godfrey A. Mills
Publikováno v:
International Journal of Telemedicine and Applications
International Journal of Telemedicine and Applications, Vol 2021 (2021)
International Journal of Telemedicine and Applications, Vol 2021 (2021)
Obesity is a major global health challenge and a risk factor for the leading causes of death, including heart disease, stroke, diabetes, and several types of cancer. Attempts to manage and regulate obesity have led to the implementation of various di
Autor:
Valencia Joyner Koomson, Ravi Durbha
Publikováno v:
ICDH
Optimal postoperative care is critical after cardiac surgery to prevent hospital readmission. Miniaturized vital sign monitoring systems outside of critical care settings provide early detection of vital sign deterioration in high risk patients. This
Autor:
Valencia Joyner Koomson, Yun Miao
Publikováno v:
IEEE Transactions on Biomedical Circuits and Systems. 12:554-563
A CMOS-based bidirectional brain machine interface system with on-chip frequency-domain near infrared spectroscopy (fdNIRS) and transcranial direct-current stimulation (tDCS) is designed to enable noninvasive closed-loop brain stimulation for neural
Publikováno v:
IEEE Transactions on Biomedical Circuits and Systems. 11:279-286
An interface circuit with signal processing and digitizing circuits for a high frequency, large area avalanche photodiode (APD) has been integrated in a 130 nm BiCMOS chip. The system enables the absolute oximetry of tissue using frequency domain Nea
Autor:
Valencia Joyner Koomson, Sagar Ray, Brandon Mazzara, Yiwen Zhang, Asif Chowdhury, Jeffrey Chellis, Bassem Fahs, Ali Mirvakili, Mona M. Hella, Yun Miao, Matthew J. Senneca, Javad Ghasemi, Payman Zarkesh-Ha
Publikováno v:
IEEE Photonics Technology Letters. 28:2846-2849
This letter presents an on – off -keying visible-light-communication (VLC) link realized over 6-m distance. The transmitter is implemented with a commercially available red LED source at 650 nm. While most of the reported high-performance VLC links
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 63:598-602
Photonic devices monolithically integrated with nanoscale electronic signal processing circuitry in silicon are emerging as a disruptive technology to reduce cost and improve optical system integration and performance. Silicon heterojunction bipolar
Publikováno v:
MWSCAS
In this work the design and integration of 60 GHz monolithic microwave integrated circuit (MMIC) transceiver using 0.15 um Gallium Nitride (GaN) Qorvo process that will support the Wireless Gigabit Alliance (WiGig)/802.11ad radio specifications will
Publikováno v:
MWSCAS
A platform has been developed to study intercellular communication in non-neural cells as it relates to developmental biology and morphogenetic bioengineering. The versatile platform uses laminar flow in a microfluidic channel to create a “sucrose
Autor:
Valencia Joyner Koomson, Yun Miao
Publikováno v:
MWSCAS
A CMOS integrated frequency domain near infrared spectroscopy (fdNIRS) and transcranial direct current stimulation (tDCS) is designed for simultaneous brain stimulation and monitoring. The combination of optical sensing and electrical stimulation sol
Autor:
Valencia Joyner Koomson, Yun Miao
Publikováno v:
ISCAS
A silicon based frequency domain near infrared spectroscopy (fdNIRS) with integrated transcranial direct-current stimulation (tDCS) on chip is designed to enable non-invasive closed-loop brain stimulation for neuro diseases treatment and cognitive pe