Journal of Translational Proteomics Research (Volume 2) A New Way of Preserving Large Number of Samples Simply and Economically for Proteomics and Biomarker Study Pages 1-2 Youhe Gao DOI: http://dx.doi.org/10.15379/2410-3802.2015.02.1Published: 10 February 2015 Abstract OPINION. Keywords Urine, Sample preservation, Membrane, Dry, Vacuum.