A bench scientist’s practical guide to isolating transfection-grade plasmid DNA using the GeneJET Miniprep Kit, alkaline lysis, EndA+ washes, and troubleshooting.
Plasmid DNA Miniprep Extraction Protocol (GeneJET Spin Column Method) Read Post »
A bench scientist’s practical guide to 20 µL PCR setup, water volume balancing rules for extra enzyme or additives, and 5-temperature gradient optimization.
PCR Reaction Setup, Master Mix Calculation, and Annealing Optimization Protocol Read Post »
A bench scientist’s practical guide to rehydrating lyophilized PCR primers, calculating molar volumes, preparing 10 µM working solutions, and storage.
Lyophilized Primer Rehydration and Working Dilution Calculations Protocol Read Post »
A bench scientist’s definitive guide to casting Tris-glycine SDS-PAGE gels: exact recipes for 6% to 15% resolving gels, 5% stacking gel, loading dye, and running buffer.
SDS-PAGE Gel Preparation and Buffer Formulation Protocol Read Post »
A bench scientist’s practical guide to first-strand cDNA synthesis using RevertAid M-MuLV reverse transcriptase, priming strategies, and essential QC controls.
First-Strand cDNA Synthesis Protocol (RevertAid Reverse Transcriptase SOP) Read Post »
A bench scientist’s practical guide to purifying polyhistidine-tagged recombinant proteins using Ni-NTA resin, 10 mM wash buffer, 250 mM imidazole elution, and dialysis.
His-Tag Recombinant Protein Purification Protocol (Ni-NTA Agarose Chromatography) Read Post »
A bench scientist’s guide to extracting soluble recombinant proteins from E. coli cell pellets using 25 mM Tris, 500 mM NaCl, 0.1% Tween-20, and lysozyme.
Bacterial Total Protein Extraction and Cell Lysis Protocol Read Post »
A bench scientist’s guide to isolating high-integrity total RNA from plant leaves using cryogenic mortar disruption, TRIzol reagent, and refrigerated phase separation.
Plant Leaf Total RNA Extraction Protocol (Modified TRIzol Method) Read Post »
A bench scientist’s practical guide to extracting clean, high-integrity total RNA from whole blood using TRIzol reagent and a crucial dual-chloroform clarification step.
Total RNA Extraction Protocol from Whole Blood (TRIzol Method) Read Post »
A bench scientist’s comprehensive guide to extracting pure genomic DNA from polyphenol- and polysaccharide-rich plant tissues using modified CTAB, PVP-40, and 1.4 M NaCl.
Plant Genomic DNA Extraction Protocol from Difficult Leaves (Modified CTAB Method) Read Post »
