dna-isolation-purification-bacteria-gram-negative-helicobacter-pylori

Get tips on using peqGOLD Cycle‐Pure Kit to perform DNA gel extraction / PCR product purification Product size > 15Kb

Get tips on using QIAquick Gel Extraction Kit to perform DNA gel extraction / PCR product purification Product size < 15Kb

Get tips on using FragEL™ DNA Fragmentation Detection Kit, Colorimetric - TdT Enzyme to perform TUNEL assay cell type - 3T3 L1 mouse adipose tissue

Get tips on using LIVE/DEAD™ BacLight™ Bacterial Viability Kit, for microscopy & quantitative assays to perform Live / Dead assay bacteria - Staphylococcus aureus

Get tips on using LIVE/DEAD™ BacLight™ Bacterial Viability Kit, for microscopy & quantitative assays to perform Live / Dead assay bacteria - Borrelia burgdorferi

Get tips on using FragEL™ DNA Fragmentation Detection Kit, Colorimetric - TdT Enzyme to perform TUNEL assay cell type - A127, U87MG, U251MG, T98G human glioblastoma cells

I would like to preserve leukocytes for future epigenetic analysis. How can I preserve them effectively in order to perform DNA methylation profiling at a later time?