D9905
Denhardt′s Solution
for Northern and Southern blotting, lyophilized powder
Synonym(s):
Denhardt′s Solution For Blotting Technique
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About This Item
NACRES:
NA.25
UNSPSC Code:
12161700
grade
Molecular Biology
Quality Level
form
lyophilized powder
technique(s)
Southern blotting: suitable
foreign activity
DNAses, RNases, NICKases, endonucleases, and exonucleases, none detected
storage temp.
2-8°C
General description
Denhardt′s Solution is a blocking agent routinely used to reduce non-specific binding of detection reagents to the Northern and Southern Blot membranes. This powder can be used to make a 50x concentrate that can be diluted to any concentration for use in a variety of pre-hybridization and hybridization buffers.
Application
Suitable as a blocking Buffer for Southern and Northern blot membranes.
Denhardt′s Solution has been used:
- as a component in hybridization buffer for the hybridization of brain sections
- in in-situ hybridization peroxidase-(antiperoxidase method-whole mounts) (ISHPAP-WM) process
- in the preparation of hybridization mixture
Biochem/physiol Actions
Denhardt′s solution and gelatin-chrome alum can be used to treat chromosomes for G-banding with trypsin after in situ hybridization.
Preparation Note
Each vial of Denhardt′s powder contains 50mg Bovine Serum Albumin (BSA), 50mg Ficoll, and 50mg Polyvinylpyrrolidone (PVP).
To make a 50x concentrate, dissolve entire contents of vial in 5 mL molecular biology grade water. Store at -20°C for up to two years.
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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