wski, B. A., Winkleman, A. and Whitesides, G. M. A tool for studying contact electrification in systems comprising metals and insulating polymers. Analytical Chemistry 75, 4859-4867 (2003). 4. Fuerstman, M. J., Deschatelets, P., Kane, R., Schwartz, A., Kenis, P. J. A., Deutch, J. M. and Whitesides, G. M. Solving maz