Selected publications

 

2007

Characterization and performance of injection molded poly(methylmethacrylate) microchips for capillary electrophoresis, Irena Nikcevic,  Se Hwan Lee, Aigars Piruska, Chong H. Ahn,  Thomas H. Ridgway, Patrick A. Limbach, Kenneth R.Wehmeyer,  William R. Heineman, Carl J. Seliskar,  J. Chromat. A., 1154 (1-2), 444-453, 2007.

Study of injection bias in a simple hydrodynamic injection in microchip CE, Maojun Gong, Kenneth R. Wehmeyer, Apryll M. Stalcup, Patrick A. Limbach, William R. Heineman,  Electrophoresis 2007, 28, 1564-1571.

Frontal analysis in microchip CE: A simple and accurate method for determination of protein–DNA dissociation constant, Maojun Gong, Kenneth R. Wehmeyer, Patrick A. Limbach, William R. Heineman,  Electrophoresis 2007, 28, 837–842.

 

 

2006

Analytical Performance of Polymer-Based Microfluidic Devices Fabricated by Computer Numerical Controlled Machining, J. S. Mecomber, A. M. Stalcup, D. Hurd, H. B. Halsall, W. R. Heineman, C. J. Seliskar, K. R. Wehmeyer, P. A. Limbach, Anal. Chem., 78, 936-941, 2006.

Electrochemical Sensors, W. R. Heineman, Electrochemistry Special Issue, 74(2), 1, 2006.

Application of an Automated Fluidic System using Electrochemical Bead-based Immunoassay to Detect the Bacteriophage MS2 and Ovalbumin, H. Kuramitz, M. Dziewatkoski, B. Barnett, H. B. Halsall, W. R. Heineman, Anal. Chim. Acta, 561, 69-77, 2006.

Studies of the dynamics of thin ion exchange films by spectroscopic ellipsometry and attenuated total reflectance spectroscopy. Pantelic, N.; Piruska, A.; Seliskar, C. J. Materials Science Forum  518 (Recent Developments in Advanced Materials and Processes), 431-438, 2006.

On-line Sample Preconcentration Using Field-amplified Stacking Injection in Microchip Capillary Electrophoresis, M. Gong, K. R. Wehmeyer, P. A. Limbach, F. Arias, W. R. Heineman, Anal. Chem., 78, 3730-3737, 2006.

On-line Sample Preconcentration by Sweeping with Dodecyltrimethylammonium Bromide in Capillary Zone Electrophoresis, M. Gong, K. R. Wehmeyer, P. A. Limbach, W. R. Heineman, J. Chromat. A., 1125, 263-269, 2006

Unlimited-Volume Electrokinetic Stacking Injection in Sweeping Capillary Electrophoresis Using a Cationic Surfactant. Gong, Maojun; Wehmeyer, Kenneth R.; Limbach, Patrick A.; Heineman, William R.. Analytical Chemistry 78(17), 6035-6042, 2006.

 

 

2005

The Autofluorescence of Plastic Materials and Chips Measured under Laser Irradiation, A. Piruska, I. Nikcevic, S. H. Lee, C. Ahn, W. R. Heineman, P. A. Limbach, C. J. Seliskar, Lab Chip, 5, 1348-1354, 2005. 

Bacillus globigii Bugbeads: A Model Simulant of a Bacterial Spore, S. Farrell, H. B. Halsall, W. R. Heineman, Anal. Chem., 77, 549-555, 2005. 

Microscale Immunosensors for Biological Agents in Microfluidics, BioMEMS, and Medical Microsystems III (I. Papautsky, I. Chartier, Eds.), A. Bange, D. K. Wong, C. J. Seliskar, H. B. Halsall, W. R. Heineman, Proceedings of SPIE, Bellingham, WA, 5718, 142-150, 2005.  Photonics West, San Jose, CA, Jan. 22-27, 2005. 

Adsorption of Fluorescently Labeled Microbeads on PDMS Surfaces in Microfluidics, BioMEMS, and Medical Microsystems III (I. Papautsky, I. Chartier, Eds.), I. Nikcevic, A. Bange, E. T. Peterson, I. Papautsky, W. R. Heineman, H. B. Halsall, C. J. Seliskar, Proceedings of SPIE, 5718, 159-167, 2005.  Photonics West, San Jose, CA, Jan. 22-27, 2005. 

Rapid pKa Determinations using Vacuum-Assisted Multiplexed Capillary Electrophoresis (VAMCE) with Ultraviolet Detection, C. Zhou, Y. Jin, J. Kenseth, M. Stella, K. R. Wehmeyer, W. R. Heineman, J. Pharm. Sci., 94, 576-589, 2005. 

Immunoassay for B. globigii spores as a model for detecting B. anthracis spores in finished water, S. Farrell, H. B. Halsall, W. R. Heineman, Analyst, 130, 489-497, 2005. 

Investigations of the Optical Properties of Thin, Highly Absorbing Films under Attenuated Total Reflection Conditions. Leaky Waveguide Mode Distortions, A. Piruska, I. Zudans, W. R. Heineman, C. J. Seliskar, Talanta, 65, 1110-1119, 2005. 

Microfluidic Immunosensor Systems, A. Bange, H. B. Halsall, W. R. Heineman, Biosens. & Bioelectron., 20, 2488-2503, 2005. 

Spectroelectrochemical Sensor for Technetium: Preconcentration and Quantification of Pertechnetate in Polymer-Modified Electrodes, D. J. Monk, M. L. Stegemiller, S. Conklin, J. R. Paddock, W. R. Heineman, C. J. Seliskar, T. H. Ridgway, S. A. Bryan, T. L. Hubler, in the ACS Symposium Series 904 Subsurface Contamination Remediation: Accomplishments of the Environmental Management Science Program, E. Berkey and T. Zachry, Eds.., pp. 306-321, ACS, Washington, DC, 2005. 

Estimation of log Pow Values for Neutral and Basic Compounds by Microchip Microemulsion Electrokinetic Chromatography with Indirect Fluorometric Detection (mMEEKC-IFD), J. Tu, H. B. Halsall, C. J. Seliskar, P. A. Limbach, F. Arias, K. R. Wehmeyer, W. R. Heineman, J. Pharm. Biomed. Anal., 38, 1-7, 2005. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  14.  Enhancing Sensitivity of a Metal Complex Ion by Ligand Exchange, T. Shtoyko, J. N. Richardson, C. J. Seliskar, W. R. Heineman, Electrochimica Acta, 50, 3191-3199, 2005. 

Amperometric Determination of Live Escherichia coli Using Antibody-coated Paramagnetic Beads, I. H. Boyaci, Z. P. Aguilar, M. Hossain, H. B. Halsall, C. J. Seliskar, W. R. Heineman, Anal. Bioanal. Chem., 382, 1234-1241, 2005. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  18.  Preparation and Characterization of Cross-linked Quaternized Poly(4-vinylpyridinium) Films, S. D. Conklin, C. J. Seliskar, W. R. Heineman, Electroanalysis, 17, 1433-1440, 2005. 

Dynamic In Situ Spectroscopic Ellipsometry of the Reaction of Aqueous Iron(II) with 2,2’-Bipyridine in a Thin Nafion Film, N. Pantelic, C. M. Wansapura, W. R. Heineman, C. J. Seliskar, J. Phys. Chem. B., 109, 13971-13979, 2005. 

Making and Using a Sensing Polymeric Material for Cu2+: An Introduction to Polymers and Chemical Sensing, J. R. Paddock, A. T. Maghasi, W. R. Heineman, C. J. Seliskar, J. Chem. Ed., 82, 1370-1371, 2005. 

Estimation of pKa Values Using Microchip Capillary Electrophoresis and Indirect Fluorescence Detection, C. A. Currie, W. R. Heineman, H. B. Halsall, C. J. Seliskar, P. A. Limbach, F. Arias, K. R. Wehmeyer, J. Chromatog. B., 824, 201-205, 2005. 

Luminescence from the trans-Dioxotechnetium(V) Chromophore, A. S. Del Negro, Z. Wang, C. J. Seliskar, W. R. Heineman, B. P. Sullivan, S. E. Hightower, T. L. Hubler, S. A. Bryan, JACS, 127, 14978-14979, 2005. 

 

 

2004

 Detection of Secretion from Pancreatic Islets Using Chemically Modified Electrodes, A. T. Maghasi, H. B. Halsall, W. R. Heineman, H. L. R. Rilo, Anal. Biochem., 326, 183-189, 2004. 

Electrochemical and Optical Evaluation of Noble Metal- and Carbon ITO Hybrid Optically Transparent Electrodes, I. Zudans, J. R. Paddock, H. Kuramitz, A. T. Maghasi, C. M. Wansapura, S. D. Conklin, N. Kaval, T. Shtoyko, D. J. Monk, S. A. Bryan, T. L. Hubler, J. N. Richardson, C. J. Seliskar, W. R. Heineman, J. Electroanal. Chem., 565, 311-320, 2004. 

Microbead-based Electrochemical Immunoassay with Interdigitated Array Electrodes, J. H. Thomas, S. K. Kim, P. J. Hesketh, H. B. Halsall, W. R. Heineman, Anal. Biochem, 328, 113-122, 2004. 

Further Investigations on a Poly(vinyl alcohol)-Polyelectrolyte Chemically-Selective Optical Film, J. R. Paddock, I. Zudans, W. R. Heineman, C. J. Seliskar, Appl. Spectr.,58, 608-612, 2004. 

Characterization of ABTS at a Polymer-modified Electrode, J. H. Thomas, J. M. Drake, J. R. Paddock, S. Conklin, J. Johnson, C. J. Seliskar, H. B. Halsall, W. R. Heineman, Electroanalysis, 16, 547-555, 2004. 

Bead-based Electrochemical Immunoassay for Bacteriophage MS2, J. H. Thomas, S. K. Kim, P. J. Hesketh, H. B. Halsall, W. R. Heineman, Anal. Chem., 76, 2700-2707, 2004. 

In situ Measurements of Chemical Sensor Film Dynamics by Spectroscopic Ellipsometry.  Three Case Studies, Proceedings of the 3rd International Conference on Spectroscopic Ellipsometry, I. Zudans, W. R. Heineman, C. J. Seliskar, Thin Solid Films, 455-456, 710-715, 2004. 

Spectroelectrochemical Sensing Based on Attenuated Total Internal Reflectance Stripping Voltammetry.  2.  Determination of Mercury and Lead, A. T. Maghasi, S. Conklin, T. Shtoyko, A. Piruska, J. N. Richardson, C. J. Seliskar, W. R. Heineman, Anal. Chem.,76, 1458-1465, 2004.  

Spectroelectrochemical Sensing Based on Attenuated Total Internal Reflectance Stripping Voltammetry.  3.  Determination of Cadmium and Copper, T. Shtoyko, S. Conklin, A. T. Maghasi, A. Piruska, J. N. Richardson, C. J. Seliskar, W. R. Heineman, Anal. Chem.,76, 1466-1473, 2004. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  17.  Improvement in Detection Limits Using Ultrathin Nafion Films in Conjunction with a Continuous Sample Flow, S. E. Andria, J. N. Richardson, N. Kaval, I. Zudans, C. J. Seliskar, W. R. Heineman, Anal. Chem., 76, 3139-3144, 2004. 

In Situ Measurements of Chemical Sensor Film Dynamics by Spectroscopic Ellipsometry.  Partitioning of a Chromophore, I. Zudans, W. R. Heineman, C. J. Seliskar, Phys. Chem. B. 108, 11521-11528, 2004. 

In Situ Dynamic Measurements of Sol-gel Processed Thin Chemically-Selective PDMDAAC-Silica Films by Spectroscopic Ellipsometry, I. Zudans, W. R. Heineman, C. J. Seliskar, Chem. Mat., 16, 3339-3347, 2004. 

Bead-based Immunoassays with Microelectrode Detection, S. Farrell, N. J. Ronkainen-Matsuno, H. B. Halsall, W. R. Heineman, Anal. Bioanal. Chem., 379, 358-367, 2004. 

Chronocoulometry, A. Bott, W. R. Heineman, Current Separations, 20, 121-126, 2004. 

An Attenuated Total Reflectance Sensor for Copper: An Experiment for Analytical or Physical Chemistry, T. Shtoyko, I. Zudans, J. N. Richardson, C. J. Seliskar, W. R. Heineman, J. Chem. Ed., 81, 1617-1619, 2004. 

Fabrication of COMB Interdigitated Electrodes Arrays (IDA) for a Microbead-Based Electrochemical Assay System, S. K. Kim, P. J. Hesketh, C. Li, J. H. Thomas, H. B. Halsall, W. R. Heineman, Biosens. & Bioelectron.,20, 886-893, 2004. 

Spectroelectrochemistry at Optically Transparent Electrodes: An Historical Perspective, W. R. Heineman in Historical Perspectives on the Evolution of Electrochemical Tools (J. Leddy, V. Birss, P. Vanysek, Eds.), ECS, May 12-17, 2003, Philadelphia, PA, 2004.  The Electrochemical Society, Inc., Pennington, NY, 73-102, 2004. 

Imaging Fluorescently Labeled Microbeads on Polymer Surfaces Using Epifluorescence Microscopy, I. Nikcevic, A. Bange, E. T. K. Peterson, I. Papautsky, W. R. Heineman, H. B. Halsall, C. J. Seliskar, Nauka Tehnika Bezbednost, 2, 35-40, 2004.

 

 

 2003 

Determination of Endogenous Extracellular Signal-Regulated Protein Kinase by Microchip Capillary Electrophoresis, D. E. Starkey, Y. Abdelaziez, C. H. Ahn, J. Tu, L. Anderson, K. R. Wehmeyer, N. J. Izzo, A. N. Carr, K. G. Peters, J. J. Bao, H. B. Halsall, W. R. Heineman, Anal. Biochem., 316(2), 181-191, 2003. 

Electrochemistry: Principles and Measurements in Clinical Chemistry: Theory, Analysis, Correlation (Kaplan, Pesce, and Kazmierczak Eds.), 4th Ed. 2003, pp. 272-286, W. R. Heineman, J. R. Kirchhoff, J. F. Wheeler, C. E. Lunte, S. H. Jenkins. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  11.  Design and Evaluation of a Small Portable Sensor for the Determination of Ferrocyanide in Hanford Waste Samples, M. L. Stegemiller, W. R. Heineman, C. J. Seliskar, T. H. Ridgway, S. A. Bryan, T. Hubler, R. L. Sell, Environ. Sci. & Technol., 37, 123-130, 2003. 

In Situ Measurements of Sensor Film Dynamics by Spectroscopic Ellipsometry.  Demonstration of Back-side Measurements and the Etching of Indium Tin Oxide, I. Zudans, C. J. Seliskar, W. R. Heineman, Thin Solid Films, 426, 238-245, 2003. 

Development and Characterization of Simulant Pancreatic Islets, A. T. Maghasi, K. T. Schlueter, H. B. Halsall, W. R. Heineman, H. L. R. Rilo, Anal. Biochem., 314, 38-45, 2003. 

Microdrop Analysis of a Bead-Based Immunoassay, J. H. Thomas, N. J. Ronkainen-Matsuno, S. Farrell, H. B. Halsall, W. R. Heineman, Microchem. J., 74, 267-276, 2003. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device: An Overview, W. R. Heineman, C. J. Seliskar, J. N. Richardson, Aust. J. Chem., 56, 93-102, 2003.  

Spectroelectrochemical Sensing: Planar Waveguides, S. E. Ross, Y. Shi, C. J. Seliskar, W. R. Heineman, Electrochim. Acta, 48, 3313-3323, 2003. 

Spectroelectrochemical Sensing Based on Attenuated Total Internal Reflectance Stripping Voltammetry.  1.  Determination of Lead and Cadmium, T. Shtoyko, A. T. Maghasi, J. N. Richardson, C. J. Seliskar, W. R. Heineman, Anal. Chem., 75, 4585-4590, 2003. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  15.  Development of Portable Spectroelectrochemical Instrumentation, D. J. Monk, T. H. Ridgway, C. J. Seliskar, W. R. Heineman, Electroanalysis, 15, 1198-1203, 2003. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  16. Sensing by Fluorescence, N. Kaval, C. J. Seliskar, W. R. Heineman, Anal Chem., 75, 6334-6340, 2003. 

Comb Interdigitated Arrays (IDA) Electrodes for More Rapid and Sensitive Bead-Based Immunoassay, IEE The Sixteenth Annual Conference on Micro Electromechanical Systems, S. K. Kim, J. H. Thomas, P. J. Hesketh, C. Li, H. B. Halsall, W. R. Heineman, IEE, Kyoto, Japan, Jan. 19-23, 435-438, 2003. 

Development and Application of Novel Thin-Film Spectroelectrochemical Sensors Possessing Three Modes of Selectivity, W. R. Heineman, C. J. Seliskar, J. N. Richardson, Russian Journal of Electrochemistry, 39, 884-893, 2003. 

Optical and Electrochemical Evaluation of Colloidal Au Nanoparticle-ITO Hybrid Optically Transparent Electrodes and Their Application to Attenuated Total Reflectance Spectroelectrochemistry, J. N. Richardson, Z. Aguilar, N. Kaval, S. E. Andria, T. Shtoyko, C. J. Seliskar, W. R. Heineman, Electrochim. Acta, 48, 4291-4299, 2003. 

 

 

2002 

An Integrated Microfluidic Biochemical Detection System for Protein Analysis with Magnetic Bead-based Sampling Capabilities, J-W. Choi, K. Oh, J. H. Thomas, W. R. Heineman, H. B. Halsall, J. H. Nevin, A. J. Helmicki, H. T. Henderson, C. H. Ahn, Lab Chip, 2, 27-30, 2002. 

Milestones of Electrochemical Immunoassay at Cincinnati, C. A. Wijayawardhana, H. B. Halsall, W. R. Heineman, in Electroanalytical Methods for Biological Materials (eds. Braijter-Toth, Chambers) pp. 329-365, Marcel Dekker, NY, 2002. 

Electrochemical Immunoassay in Encyclopedia of Electrochemistry (Bard and Stratmann, Eds.), C. A. Wijayawardhana, H. B. Halsall, W. R. Heineman, Vol. 9: Bioelectrochemistry, G.S. Wilson, Ed, Wiley-VCH, Weinheim, pp. 145-174, 2002. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  13.  Detection of Aqueous Iron by In Situ Complexation with 2,2’-Bipyridine, J. N. Richardson, A. L. Dyer, M. L. Stegemiller, I. Zudans, C. J. Seliskar, W. R. Heineman, Anal. Chem. 74(14), 3330-3335, 2002. 

Electrochemical Immunoassay Moving into the Fast Lane, N. J. Ronkainen-Matsuno, J. H. Thomas, H. B. Halsall, W. R. Heineman, Trends Anal. Chem., 21(4), 213-225, 2002. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  10.  Sensing of Ferrocyanide in Hanford Tank Waste Simulant Solution, M. Maizels, C. J. Seliskar, W. R. Heineman, S. A. Bryan, Electroanalysis, 14(19-20), 1345-1352, 2002. 

A New Plastic CE Chip with Wide Optical Clarity using Cyclic Olefin Copolymers (COC) in Proceedings of µ-TAS 2002 (Int’l Symposium on Micro Total Analysis Systems), Y Baba, S. Shoji, A. van den Berg, eds, Kluwer publishers, 1, 560-562 (2002), Nara, Japan.  R. Trichur, S. Kim, S. H. Lee, Y. A. Abdelaziez, D. E. Starkey, H. B. Halsall, W. R. Heineman, C. H. Ahn. 

Electrochemical Biosensors in Biomedical Diagnostic Science and Technology, (W. T Law, N. Akmal, A. M. Usmani, Eds.).  C. A. Wijayawardhana, W. R. Heineman, Marcel Dekker, Inc., New York, NY, 2002.

 

 

2001

Small Volume Bead Assay for Ovalbumin with Electrochemical DetectionS. Purushothama, S. Kradtap, H.B. Halsall, W.R. Heineman, Analyst, 126, 337-341, 2001. 

An Integrated Microfluidic Biochemical Detection System with Magnetic Bead-Based Sampling and Analysis Capabilities, The 14th IEEE Int’l Conference on Micro Electro Mechanical Systems, Interlaken, Switzerland, Jan. 21-25, 2001, 447-450 (2001).  J.-W. Choi, K. W. Oh, J. H. Thomas, W. R. Heineman, H. B. Halsall, J. H. Nevin, A. J. Helmicki, H. T. Henderson, C. H. Ahn. 

Novel Spectroelectrochemical Sensor for Ferrocyanide in Hanford Waste Simulant in Nuclear Site Remediation: First Accomplishments of the Environmental Management Science Program, ACS Symposium Series 778 (P. G. Eller and W. R. Heineman, Eds.), 364-378, ACS, Washington, D.C., 2001.  M. Maizels, M. Stegemiller, S. Ross, A. Slaterbeck, Y. Shi, T. H. Ridgway, W. R. Heineman, C. J. Seliskar, S. A. Bryan.   

Environmental Protection and Economization of Resources by Electroorganic and Electroenzymatic Syntheses Chemosphere, 43, 63-73 (2001).  E. Steckhan, T. Arns, W. R. Heineman, G. Hilt, D. Hoormann, J. Jorissen, L. Kroner, B. Lewall, H. Putter. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  8.  Selectivity at Poly(vinyl alcohol)-Polyelectrolyte Blend Modified Optically Transparent Electrodes, Electroanalysis, 13, 613-620 (2001). L. Gao, C. J. Seliskar, W. R. Heineman.  

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  12. Characterization of a Channel Waveguide Sensor, S. E. Ross, C. J. Seliskar, W. R. Heineman, S. Aryol, J. H. Nevin in Chemical and Biological Sensors and Analytical Methods II, (eds. M. Butler, P. Vanysek, N. Yamazoe).  Proceedings Volume 2001-18, The Electrochemical Society, Pennington, NJ, 2001 pp. 499-510. 

Fluorogenic Assay for b-glucuronidase Using Microchip-based Capillary Electrophoresis, J. Chromatogr.B, 762, 33-41 (2001).  D. E. Starkey, A. Han, J. J. Bao, C. H. Ahn, K. R. Wehmeyer, M. C. Prenger, H. B. Halsall, W. R. Heineman. 

“Bugbead”: an Artificial Microorganism Model Used as a Harmless Simulant for Pathogenic Microorganisms, Anal. Chim. Acta, 444, 13-26 (2001). S. Kradtap, C.A. Wijayawardhana, K.T. Schlueter, H.B. Halsall, W.R. Heineman. 

Microspot Enzyme Assays with Scanning Electrochemical Microscopy, C. A. Wijayawardhana, N. J. Ronkainen-Matsuno, S. M. Farrell, G. Wittstock, H. B. Halsall, W. R. Heineman, Anal. Sciences, 17 (supplement), 535-538, 2001. 

BioMEMS: Electrochemical Immunoassay with Microfluidic Systems, W. R. Heineman, J. H. Thomas, A. Wijayawardhana, H. B. Halsall, T.H. Ridgway, J.-W. Choi, K. W. Oh, C. Ahn, S. Dharmatilleke, P. Medis, T. H. Henderson, Anal. Sciences, 17 (supplement), 281-284, 2001. 

Development and Characterization of Microfluidic Devices and Systems for Magnetic Bead-Based Biochemical Detection, J-W. Choi, K. W. Oh, A. Han, N. Okulan, C. A. Wijayawardhana, C. Lannes, S. Bhansali, K. T. Schlueter, W. R. Heineman, H. Brian Halsall, J. H. Nevin, A. J. Helmicki, H. T. Henderson, C. H. Ahn, Biomedical Microdevices, 3:3, 191-200, 2001. 

 

 

2000           

Spatially Addressed Deposition and Imaging of Biochemically Active Bead Microstructures by Scanning Electrochemical Microscopy, Anal. Chem.,72, 333-338 (2000).  C. A. Wijayawardhana, G. Wittstock, H. B. Halsall, W. R. Heineman.  

Graphite Electrodes Coated with Poly(dimethyldiallylammonium)chloride Network Films Cross-Linked by Gamma-Irradiation, Electroanalysis., 12 (4), 241-247 (2000).  M. Maizels, W. R. Heineman, C. J. Seliskar. 

Oxidation-State Speciation of [ReI(DMPE)3]+/[ReII(DMPE)3]2+ by Voltammetry with a Chemically Modified Microelectrode, Anal. Chem., 72(11), 2395-2400 (2000).  Z. Hu, W. R. Heineman.  

Electrochemical Immunoassay with Microscopic Immunomagnetic Bead Domains and Scanning Electrochemical Microscopy, Electroanalysis, 12(9), 640-644 (2000).  C. A. Wijayawardhana, G. Wittstock, H. B. Halsall, W. R. Heineman. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  6.  Sensing with a Mediator, Anal. Chem., 72(15), 3461-3467 (2000).  J. M. DiVirgilio-Thomas, W. R. Heineman, C. J. Seliskar.   

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  5.  Simulation of Sensor Response for Different Excitation Potential Waveforms, Anal. Chem., 72(22), 5567-5575 (2000).   A. F. Slaterbeck, M. L. Stegemiller, C. J. Seliskar, T. H. Ridgway, W. R. Heineman.  

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  9.  Incorporation of Planar Waveguide Technology, Anal. Chem., 72(22), 5549-5555 (2000).  S. E. Ross, C. J. Seliskar, W. R. Heineman. 

Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device.  7.  Sensing of Fe(CN)64-, Electroanalysis, 12(17), 1356-1362 (2000).  M. Maizels, C. J. Seliskar, W. R. Heineman.  

Development and Characterization of A Generic Microfluidic Subsystem Toward Portable Biochemical Detection in Proceedings of µ-TAS 2000 (4th Int’l Symposium on Micro Total Analysis Systems), 327-330 (2000), University of Twente, Netherlands.  J.-W. Choi, C. A. Wijayawardhana, N. Okulan, K. W. Oh, A. Han, S. Bhansali, V. Govind, K. T. Schlueter, W. R. Heineman, H. B. Halsall, J. H. Nevin, A. J. Helmicki, H. T. Henderson, C. H. Ahn. 

A Hybrid Microfluidic Mini System Towards a “Lab-on-a-Chip” for Biochemical Immunoassay, MEMS, 2, 405-411 (2000).  S. Dharmatilleke, C. A. Wijawardhana, N. Okulan, P. Medis, J. H. Thomas, H. T. Henderson, W. R. Heineman, H. B. Halsall. 

A Mini/Micro Fluidic System Towards a Generic “Lab-on-a-Chip” to Sample and Detect Airborne Biohazards Via a Biochemical Immunoassay, Proc. IS3M 2000 (International Symposium on Smart Structures and Microsystems), 42-49 (2000).  S. Dharmatilleke, C. A. Wijawardhana, N. Okulan, P. Medis, J. H. Thomas, H. T. Henderson, W. R. Heineman, H. B. Halsall.

 

 

last updated: October 01, 2006


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