@article {1311553,
	title = {Determination of the Effective Charge of a Protein in Solution by Capillary Electrophoresis},
	journal = {Proc. Nat. Acad. Sci.  USA},
	volume = {91},
	year = {1994},
	note = {424},
	pages = {12027-12030},
	author = {Gao, J. and Gomez, F. A. and Harter, R. and Whitesides, G. M.}
}
