Amino Dextran
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Amino-Dextran (AmDex, AECM-dextran) consists of dextran functionalized with primary amines. (See “Diagram” Tab for the structure of FinaBio amino dextran.) Our AmDex is prepared from dextran using a protocol yielding a stable, amino functionalized dextran that is superior to the more commonly used reductive amination methods. The molecular weight profile of Fina Biosolutions’ AmDex is essentially unchanged from the starting dextran, as determined by analytical size exclusion chromatography. The product is desalted and lyophilized. We do extensive processing and testing to ensure that free amino reagent is removed, resulting in a consistent product with minimal lot-to-lot variation.

We have found that many commercial lots of amino-dextran contain variable amounts of dextran and that the amine content is often incorrect. Furthermore, the actual polymer molecular weight distributions of these preparations can vary extensively from the indicated molecular weight. These issues can mean that optimization data is based on incorrect information. Lot-to-lot variations means that protocols may need to be revised when a new lot of AmDex is used.

Please contact us if you need a ratio that is not listed.

Molecular Weight Catalog #
(polymer MW) x (amines/polymer)
Size Price Size Price
3.5 kDa Amino Dextran AD3.5×3 100 mg $150 500 mg $500
06 kDa Amino Dextran AD6x05 100 mg $150 500 mg $500
10 kDa Amino Dextran AD10x05 100 mg $125 500 mg $375
AD10x10
20 kDa Amino Dextran AD20x5 100 mg $125 500 mg $375
AD20x10
AD20x20
40 kDa Amino Dextran AD40x10 100 mg $125 500 mg $375
AD40x20
AD40x50
70 kDa Amino Dextran AD70x10 100 mg $125 500 mg $375
AD70x25
AD70x50
110 kDa Amino Dextran AD110x10 100 mg $125 500 mg $375
AD110x25
AD110x50
AD110x100
150 kDa Amino Dextran AD150x25 100 mg $125 500 mg $375
AD150x50
AD150x100
250 kDa Amino Dextran AD250x10 100 mg $125 500 mg $375
AD250x25
AD250x50
AD250x100
AD250x150
500 kDa Amino Dextran AD500x25 100 mg $125 500 mg $375
AD500x50
AD500x100
AD500x250
AD500x400
2000 kDa Amino Dextran AD2000x100 100 mg $125 500 mg $375
AD2000x250
AD2000x500
AD2000x750
AD2000x1000

Amino Dextrans


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For larger quantities, further pricing information and inquiries for custom products, please email sales@finabio.com.
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