Chase, M. W., & Hills, H. H. (1991). Silica Gel: An Ideal Material for Field Preservation of Leaf Samples for DNA Studies. Taxon, 40(2), 215–220.
Abstract: Silica gels an inexpensive and reliable substance to preserve field-collected leaves for molecular studies of variation in DNA. A method for its utilization is explained, and results are presented, comparing total cellular DNA samples extracted from a set of fresh and silica-gel dried samples of the same species, as well as examining the efficiency of endonuclease restriction and intactness of DNA from of a set of field-collected leaves preserved with silica gel.
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