I NEED SIMPLE METHOD FOR QUANTIFYING LYSOSOMAL ENYMES FROM BLOOD OR URINE?

Here are a couple of resources that may help.

Direct Multiplex Assay of Lysosomal Enzymes in
Dried Blood Spots for Newborn Screening
Clinical Chemistry 50:10
17851796 (2004)
http://www.clinchem.org/cgi/reprint/50/10/1785

http://www.ncbi.nlm.nih.gov/books/bv.fcgi?indexed=google&rid=fabry.chapter.556