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Amberlite ir 120 na resin

Manufactured by Merck Group

Amberlite IR-120 (Na+) is a strongly acidic cation exchange resin. It is a sodium-form polystyrene-based resin with sulfonic acid functional groups. The resin is designed for use in various water treatment and purification applications.

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2 protocols using amberlite ir 120 na resin

1

Synthesis of Halogenated Tyrosine Derivatives

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The solution of 37% 2 HCl/ 2 H 2 O was purchased from POLATOM (Poland). 2 H 2 O (99.9% 2 H) and Amberlite IR-120 (Na + ) resin were purchased from Aldrich. Plastic TLC plates, silica gel 60, coated with fluorescent indicator F 254 were from Merck. 3′-Fluoro-L-tyrosine and 3′-chloro-L-tyrosine were purchased from Alfa Aesar and 3′-iodo-Ltyrosine was from Sigma.
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2

Enzymatic Tyrosine Halogenation Kinetics

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The enzyme mushroom tyrosinase (EC 1.14.18.1, 1715 U/mg) and 3′-iodo-l-tyrosine were from Sigma. Deuterated water (99.9% D) and Amberlite IR-120 (Na+) resin were from Aldrich. Silica gel plates (silica gel 60 F254) were purchased from Merck. Deuterated 30% KO2H/2H2O and 85% 2H3PO4/2H2O were obtained from POLATOM, Poland. 3′-Fluoro-l-tyrosine and 3′-chloro-l-tyrosine were purchased from Alfa Aesar.
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