TY - GEN
T1 - Sensing by growing antennas
T2 - IEEE International Symposium on Circuits and Systems, ISCAS 2015
AU - Yuan, Mingquan
AU - Chahal, Premjeet
AU - Alocilja, Evangelyn C.
AU - Chakrabartty, Shantanu
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/7/27
Y1 - 2015/7/27
N2 - In this paper, we show that a silver-enhancement technique can be used to self-assemble a radio-frequency (RF) antenna which then can be used for designing a radio-frequency identification (RFID) based biosensor. Using the proposed biosensor, the concentration of target analytes or pathogens can be remotely interrogated in a concealed, packaged or in a bio-hazardous environment, where direct measurement is considered to be impractical. The presence of the target analytes or pathogens, self-powers a silver-enhancement process which then assembles a chain of micro-monopole antennas. As the size of the silver-enhanced particles grows, the chain of micro-antenna segments bridge together to complete a dipole structure that reflects impinging RF signals at a desired frequency. We validate the proof-of-concept for IgG detection and demonstrate that different concentrations of rabbit IgG (ranging from 20ng to 60ng in this paper) can be detected based on the strength of the reflected RF signal received at a 915MHz COTS RFID reader.
AB - In this paper, we show that a silver-enhancement technique can be used to self-assemble a radio-frequency (RF) antenna which then can be used for designing a radio-frequency identification (RFID) based biosensor. Using the proposed biosensor, the concentration of target analytes or pathogens can be remotely interrogated in a concealed, packaged or in a bio-hazardous environment, where direct measurement is considered to be impractical. The presence of the target analytes or pathogens, self-powers a silver-enhancement process which then assembles a chain of micro-monopole antennas. As the size of the silver-enhanced particles grows, the chain of micro-antenna segments bridge together to complete a dipole structure that reflects impinging RF signals at a desired frequency. We validate the proof-of-concept for IgG detection and demonstrate that different concentrations of rabbit IgG (ranging from 20ng to 60ng in this paper) can be detected based on the strength of the reflected RF signal received at a 915MHz COTS RFID reader.
UR - http://www.scopus.com/inward/record.url?scp=84946209641&partnerID=8YFLogxK
U2 - 10.1109/ISCAS.2015.7169098
DO - 10.1109/ISCAS.2015.7169098
M3 - Conference contribution
AN - SCOPUS:84946209641
T3 - Proceedings - IEEE International Symposium on Circuits and Systems
SP - 2121
EP - 2124
BT - 2015 IEEE International Symposium on Circuits and Systems, ISCAS 2015
PB - Institute of Electrical and Electronics Engineers Inc.
Y2 - 24 May 2015 through 27 May 2015
ER -