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Knowledge Base
How does the BIOARRAY™ Terminal labeling kit, ENZ-42630, label nucleotides?
When using the BIOARRAYTMTerminal labeling kit, the Terminal Deoxynucleotide Transferase catalyzes the additional single biotin-ddUMP to the 3’-OH terminus of…
Tue, Jul 18, 2023
Can the BIOARRAY™ Terminal labeling kit (ENZ-42630) be used to label sequences of 100 nucleotides?
The BIOARRAYTM Terminal labeling kit kit was optimized with a 30-mer at 1 µg or 100 pmol, but a longer…
Tue, Jul 18, 2023
Do I really need to add Stop Buffer after the labeling reaction with Enzo’s CGH labeling kits even though the enzyme is heat-inactivated?
During kit validation, a protocol utilizing a 4-hour labeling step and addition of Stop Buffer gave us the best results…
Tue, Jul 18, 2023
What is the difference between low- and high-density arrays?
Low-density arrays are usually prepared on glass slides with an average density of about 102 spots per cm2. High-density arrays…
Tue, Jul 18, 2023
How have the results you show on a patient with Prader-Willi syndrome been generated?
These results have been generated by Enzo scientists using the CYTAG™ CGH Labeling kit on an Agilent 4X180K oligonucleotide microarray.
Tue, Jul 18, 2023
How can the quality of DNA labeling by Enzo’s CGH labeling kits be analyzed?
We recommend using a NanoDrop UV-VIS Spectrophotometer in the microarray measurement mode to determine yield and dye incorporation. Use 1.5…
Tue, Jul 18, 2023
What is the required fragment length of input DNA for labeling with Enzo’s CGH labeling kits?
Comparative genome hybridization (CGH) does not require DANN fragmentation prior to analysis and can be performed with genomic input DANN.…
Tue, Jul 18, 2023
Does genomic DNA need to be fragmented for labeling with Enzo’s CGH labeling kits?
Restriction digestion or fragmentation of the isolated genomic DNA is not required prior to labeling with our CYTAG® CGH (ENZ-42671)…
Tue, Jul 18, 2023
How should I determine DNA concentration before labeling with Enzo’s CGH labeling kits?
We recommend determining concentration and purity of the genomic DNA using the nucleic acid module of a NanoDrop UV-VIS Spectrophotometer…
Tue, Jul 18, 2023
Which reference DNA can be used with Enzo’s CGH labeling kits?
Every high quality intact genomic DNA of healthy individuals may be used as a reference. Human male (ENZ-GEN106) and female…
Tue, Jul 18, 2023