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Knowledge Base
What are ISH probes typically labeled with?
Common labels include biotin, digoxigenin, and fluorochromes. Biotin is detected with streptavidin- conjugated enzymes followed by an enzymatic colorimetric reaction.…
Tue, Jul 18, 2023
How big are ISH probes?
There is no defined answer. Depending on the tissue specimen, target type, and sequence, ISH probes might vary from below…
Tue, Jul 18, 2023
What are the advantages of digoxigenin labeling?
For chromogenic ISH, Digoxigenin, compared to biotin, offers the advantage of lower background, higher specificity. Is also possible to combine…
Tue, Jul 18, 2023
How important are denaturation and hybridization temperature in ISH?
Correct denaturation and hybridization temperatures are paramount for successful ISH. Regardless of the probe or target being RNA or DNA,…
Tue, Jul 18, 2023
Why is peroxidase blocking necessary in colorimetric ISH/IHC detection?
When colorimetric detection by enzymatic reaction is used, a blocking step with peroxide solution is required to eliminate endogenous peroxidase…
Tue, Jul 18, 2023
Is protein blocking really necessary in ISH?
Blocking with bovine serum albumin (BSA), milk or serum is always recommended when ISH signals are detected by antibodies (e.g.…
Tue, Jul 18, 2023
Are the controls in AMPIPROBE® NG/CT/TV Extraction Controls, ENZ-GEN208-0500 quantitative or qualitative?
AMPIPROBE® NG/CT/TV Extraction Controls (ENZ-GEN208) are only qualitative and designed te used during genomic DNA extraction and is the qPCR…
Tue, Jul 18, 2023
Is there a specifc type of glass slide recommended for ISH?
Positively charged glass slides have proven optimal to draw tissue sample sections for subsequent ISH on. Alternatively, poly-L-lysine or silanized…
Tue, Jul 18, 2023
Guidelines For Handling Small Molecules
These guidelines are general tips for use with handling small molecules. Small molecules require careful handling procedures to preserve their…
Tue, Jul 18, 2023
Guidelines For Handling Proteins
These guidelines are general tips for use with handling proteins. Proteins require careful handling procedures to preserve protein function, stability,…
Tue, Jul 18, 2023