Medicinal box of GSA for producing technetium-99m mark and method for producing the same
A 99mtc-gsa and kit technology, applied in the direction of radioactive carriers, can solve the problems of lack of ASGPR imaging agent, lack of ASGPR imaging agent freeze-drying matching kit, etc., achieve high labeling rate, harsh preparation conditions, high Effect of target/non-target ratio
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Embodiment 1
[0042] Preparation of 75 GSA freeze-dried kits
[0043] 1) Dissolve 225mg GSA ligand in 37.5mL pH3.5 sodium acetate-acetate buffer, then add 0.4mL 3.8mg / mL SnCl 2 2H 2 O hydrochloric acid solution (1mol / L); the solution is mixed evenly, and its pH is controlled between 3.0 and 3.5;
[0044] 2) Add 75 mg of potassium sodium tartrate to the solution obtained in step 1), and then dilute to 75 mL with nitrogen-filled secondary water;
[0045] 3) After the solution prepared in step 2) is aseptically filtered, it is divided into 75 control antibiotic bottles, and then placed in a freeze dryer for 24 hours, and then sealed with a stopper to obtain the preparation method according to the present invention. 99m Freeze-dried kit of Tc-GSA.
Embodiment 2
[0047] Preparation of 100 GSA freeze-dried kits
[0048] 1) Dissolve 200mg of GSA ligand in 50mL pH3.5 sodium acetate-acetate buffer, then add 1mL of 10mg / mL SnCl 2 2H 2 O hydrochloric acid solution (1mol / L); the solution is mixed evenly, and its pH is controlled between 2.5 and 3.0;
[0049] 2) Add potassium sodium tartrate 200 mg to the solution obtained in step 1), and then dilute to 100 mL with nitrogen-filled secondary water;
[0050] 3) After the solution prepared in step 2) is aseptically filtered, it is divided into 100 control antibiotic bottles, and then placed in a freeze dryer for 24 hours, and then sealed with a stopper, to obtain the preparation method according to the present invention. 99m Freeze-dried kit of Tc-GSA.
Embodiment 3
[0052] Preparation of 75 GSA freeze-dried kits
[0053] 1) Dissolve 600mg GSA ligand in 37.5mL pH3.5 sodium acetate-acetate buffer, then add 0.2mL 3.8mg / mL SnCl 2 2H 2 O hydrochloric acid solution (1mol / L); the solution is mixed evenly, and its pH is controlled between 3.5~4.0;
[0054] 2) Add 3.75 mg of potassium sodium tartrate to the solution obtained in step 1), and then dilute to 75 mL with nitrogen-filled secondary water;
[0055] 3) After the solution prepared in step 2) is aseptically filtered, it is divided into 75 control antibiotic bottles, and then placed in a freeze dryer for 24 hours, and then sealed with a stopper to obtain the preparation method according to the present invention. 99m Freeze-dried kit of Tc-GSA.
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