siRNA / miRNA gene silencing Human Melanoma cells (501 Mel and SK Mel 28)

Get tips on using EMD Millipore™ Chemicon™ CpGenome™ Universal DNA Modification Kit to perform DNA methylation profiling Gene specific profiling - HepG2 FHIT

Get tips on using EMD Millipore™ Chemicon™ CpGenome™ Universal DNA Modification Kit to perform DNA methylation profiling Gene specific profiling - Hep3B SFRP3

Get tips on using APO-BrdU™ TUNEL Assay Kit, with Alexa Fluor™ 488 Anti-BrdU to perform DNA Damage Assay Human Skin Fibroblast Cell (FSK)

The challenge in isolating RNA from S. aureus cells is the disruption of the cell wall. A lot of protocols employ enzymatic digestion (pretreatment) which may affect gene expression patterns of certain genes. Therefore physical disruption using beads is considered to be the better alternative.

Get tips on using QuikChange Site-Directed Mutagenesis Kit, 10 Rxn to perform Site Directed Mutagenesis (SDM) Human - Point mutation SKOV3 humanized trastuzumab

Get tips on using 300 prep FavorPrep™ Plasmid DNA Extraction Mini Kit (sample size: 1~ 5 ml culture cells) to perform Plasmid Isolation Vibrio parahaemolyticus

Get tips on using EpiTect Fast DNA Bisulfite Kit (50) to perform DNA methylation profiling Gene specific profiling - Hep3B SPRY1

Get tips on using miRNeasy Mini kit to perform RNA isolation / purification Cells - primary hematopoietic stem cells

ELISA is the most commonly used method of detecting and quantifying the concentration of an antigen in an unknown sample. During the experiment, If you get a weak signal, then make sure reagents are at room temperature before starting the assay. Try increasing incubation times to ensure maximal antibody binding and amplify the signal. Secondly, if you get values above 0 in the negative control indicates a high background signal. Try to consider reducing your antibody concentration and prevent non-specific binding of antibodies by using affinity-purified antibody and suitable blocking buffers. To avoid high well to well variation, do not stack plates during incubation, no bubbles in the plate and wash wells thoroughly to avoid variation.