TCO-PEG2-DBCO is a short PEG linker featuring a trans-cyclooctene and a DBCO group. DBCO is a click chemistry handle which easily reacts with azides, while the TCO function readily reacts with tetrazine-containing compounds.
TCO-PEG2-DBCO is a short PEG linker featuring a trans-cyclooctene and a DBCO group. DBCO is a click chemistry handle which easily reacts with azides, while the TCO function readily reacts with tetrazine-containing compounds.
Usages:
For the differentiation of Gram-negative bacteria on the basis of citrate utilization.
Principle:
Magnesium ions in various metabolic cofactors; ammonium dihydrogen phosphate to provide nitrogen; dipotassium hydrogen phosphate is the buffer; sodium citrate as a carbon source; agar as medium coagulant.
Formulation(per liter):
Sodium chloride 5g
Magnesium sulfate 0.2g
Ammonium dihydrogen phosphate 0.2g
Sodium ammonium phosphate 0.8g
Sodium citrate 2g
Agar 15g
Bromothymol blue 0.08g
Final pH 7.0 ± 0.2
How to use:
1.Suspend 23.3g in 1 L of distilled water , stirring heated to boiling until completely dissolved, dispensing flask, 121 autoclave for 15min.
2.Diluted and treated samples.
Storage: Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.
500g
