protein-bound Zn measurement needed

[John Collins]

Does anyone konw of a lab which can identify protein-bound metals using 
ug quantities of sample?

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*  John H. Collins, Ph.D.                          *
*  Medical Biotechnology Center                    *
*  University of Maryland Biotechnology Institute  *  
*  108 N. Greene Street                            *
*  Baltimore, MD 21201-1503                        *
*  USA                                             *
*  e-mail: collins at umbi.umd.edu                    *
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