Chemical synthesis of [32P]pyrophosphate with high specific activity
โ Scribed by Kit S. Lam; Charles B. Kasper
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 445 KB
- Volume
- 108
- Category
- Article
- ISSN
- 0003-2697
No coin nor oath required. For personal study only.
โฆ Synopsis
A simple procedure for synthesizing [32P]pyrophosphate with high specific activity (about 100 Ci/mmol) is described. [32P]Pyrophosphate was formed by simple dehydration of inorganic [3*P]phosphate and subsequently purified by DEAE-Sephadex A-25 chromatography. The yield was 20-40%.
๐ SIMILAR VOLUMES
labeled phosphoric a c i d (33P-H3P0t,). f r e e 33P-Ii3PO~ i d converted t o lead phosphate in t h e preaence of carrier by metathesis with l e a d oxide. Upon hydrogen reduction of t h e lead phosphate, elemental phosphorus is l i b e r a t e d and reacted with c h l o r i n e t o form phorphorua
We found that inorganic compounds labelled with 32P such as PzSj, PCI3,PSC13,POC13, and H3P04 can be obtained by a newsimplemethod, withgood yieldsand a highspecificactivity. The carrier free 3nP resulting through the nuclear reaction 32S(n,p)32P from elementary sulphur was concentrated on red phosp
The straightforward, rapid synthesis and purification of radiochemically pure [ I-JzP]fructose-1,6-bisphosphate starting from radioactively labeled inorganic phosphate is described. The product has a relatively high specific radioactivity (2 x lo5 Ci/mol). Using this method, carrier-free [ 1-32P]fru