Area:
Electrical Engineering
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High-probability grants
According to our matching algorithm, Ada Poon is the likely recipient of the following grants.
Years |
Recipients |
Code |
Title / Keywords |
Matching score |
2014 — 2018 |
Poon, Ada Shuk Yan |
N/AActivity Code Description: No activity code was retrieved: click on the grant title for more information |
Career: Midfield Wireless Powering of Subwavelength Probes For Neuroscience and Cardiology Applications
Intellectual Merit
Electronics provide powerful capabilities when interfaced with the body. Their miniaturization over the past few decades has paved way for tiny devices capable of biological sensing or stimulation, and hold promise for restoring physiological functions in patients. Although electronics can be made extremely small, existing methods for powering them involve large batteries or energy harvesting modules. The size of these powering components severely constrains the integration of electronics in living systems. The research in this proposal aims to overcome these challenges and enable arrays of optoelectronic probes small enough to be directly injected into the body. Routes to miniaturization are provided by the midfield wireless powering approaches recently established in the PI's lab. These approaches allow the transfer of power to nearly any location in the body at performance levels far exceeding requirements for both complex electronics and physiological stimulation. The research combines a fundamental understanding of power transfer physics with advances in low-power integrated circuits to demonstrate tiny yet fully operational sensors, electrodes, light sources, RF transceivers, and other classes of injectable electronics. Such capabilities represent a considerable advance in applying physics, wireless technology, and integrated circuits towards addressing challenges in biology and medicines.
Broader Impacts
The proposed research enables the integration of electronics into the body through tiny devices, providing previously unavailable diagnostic and therapeutic options such as minimally invasive surgery and continuous monitoring. These capabilities will accelerate scientific discovery and improve overall healthcare cost. To maximize research benefits, results will be synthesized in formats understandable to the general public, including clinicians, patients, and policy makers; and widely disseminated through online platforms. The popular appeal of robotic microsystems, will be leveraged to motivate and inspire high school students over the grant period to strengthen the STEM pipeline in the U.S. This is done through the internship of local K-12 teachers to multiply impact, mentoring of underrepresented students, and an annual summer workshop on robotics with biomedical applications for local high school students. The PI will also leverage her experience in mentoring female students at the high school level to encourage them to pursue higher degrees in engineering.
|
0.958 |
2016 — 2017 |
Poon, Ada Shuk Yan |
R21Activity Code Description: To encourage the development of new research activities in categorical program areas. (Support generally is restricted in level of support and in time.) |
Midfield Wireless Powering and Communication System For Deeply Implanted, Minuscule Sensors
? DESCRIPTION (provided by applicant): Advances in microelectronics and MEMS technologies paved the way for sensing devices at the scale of a millimeter or less which allows the devices to be implanted for direct interaction with organ systems using simpli?ed delivery vi a catheter or hypodermic needle, but technologies for powering or communicating with them remain bulky and inef?cient. This severely limits its use beyond home monitoring. The long-term goal of this proposal is to develop a compact and patient friendly monitoring system that can assimilate seamlessly into patients' daily lives for on-demand and real-time disease management from anywhere at any time. The proposed method will allow the use of a compact and ?exible source structure to power and communicate with deeply implanted, minuscule sensors. This is made possible by the recent development of mid?eld wireless powering approaches in the PI's laboratory, a wireless interface that exploits the wave-tissue interactions in the electromagnetic mid?eld regime, achieves orders of magnitude better performance than conventional wireless systems that conceptually ignore the tissue environment. Following on this exciting development, we will devise a combined power harvesting structure and communication antenna that is about 5 cm in the largest dimension and fabricated on a ?exible substrate for an operational range of 5 cm to 15 cm deep in a complex tissue environment. The ?eld patterns from this external structure can be electronically changed. We will develop low-latency algorithms and low-power transceivers to locate the sensor without the need of any intervention from the patient. Integrating the wireless interface with a sensor interface on a single chip, we seek to demonstrate a highly miniaturized sensing system. With the support from St. Jude Medical, we will test and validate the proposed system for pulmonary artery pressure monitoring. The success of this demonstration will open the door to a new realm of possibilities for real-time, chronic disease management. In addition to sense and process physiological states, the proposed system will eventually incorporate stimulation and actuation capabilities to respond to disease states, enabling closed-loop disease treatment.
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0.958 |