Baseline resistance cancellation circuit for high resolution thiolate-monolayer-protected gold nanoparticle vapor sensor arrays

@inproceedings{citeulike:3431363, abstract = {Chemiresistive (CR) sensors and sensor arrays coated with thiolate-monolayer-protected gold nanoparticle (MPN) interfaces show great promise for high-sensitivity multi-vapor analysis but suffer from process variation and drift in baseline values. This paper describes a new readout circuit that cancels baseline resistance and compensates for baseline drift to achieve ppm resolution. Requiring only 5100 mum in a 0.5 mum CMOS process, the circuit is well suited for high density on-chip CR sensor arrays. The resulting CR array microsystem introduces a valuable tool for monitoring environmental hazards including explosive compounds.}, author = {Rairigh, D. and Mason, A. and Rowe, M. P. and Zellers, E. T.}, booktitle = {Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on}, citeulike-article-id = {3431363}, doi = {10.1109/ISCAS.2008.4541839}, journal = {Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on}, keywords = {baseline, cancellation, chemiresistor}, pages = {2002--2005}, posted-at = {2008-10-20 17:59:10}, priority = {0}, title = {Baseline resistance cancellation circuit for high resolution thiolate-monolayer-protected gold nanoparticle vapor sensor arrays}, url = {http://dx.doi.org/10.1109/ISCAS.2008.4541839}, year = {2008} }

TY - CONF ID - citeulike:3431363 L3 - citeulike-article-id:3431363 N2 - Chemiresistive (CR) sensors and sensor arrays coated with thiolate-monolayer-protected gold nanoparticle (MPN) interfaces show great promise for high-sensitivity multi-vapor analysis but suffer from process variation and drift in baseline values. This paper describes a new readout circuit that cancels baseline resistance and compensates for baseline drift to achieve ppm resolution. Requiring only 5100 mum in a 0.5 mum CMOS process, the circuit is well suited for high density on-chip CR sensor arrays. The resulting CR array microsystem introduces a valuable tool for monitoring environmental hazards including explosive compounds. JF - Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on EP - 2005 TI - Baseline resistance cancellation circuit for high resolution thiolate-monolayer-protected gold nanoparticle vapor sensor arrays T2 - Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on SP - 2002 KW - baseline KW - cancellation KW - chemiresistor AU - Rairigh, D AU - Mason, A AU - Rowe, MP AU - Zellers, ET PY - 2008/// UR - http://dx.doi.org/10.1109/ISCAS.2008.4541839 ER -