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Monoamino dextrans and monocarboxyl dextrans are prepared by proprietary methods yielding a stable, monofunctionalized dextran, with a single functional group on the end of the polymer. The molecular weight profile is essentially unchanged, as determined by analytical size exclusion chromatography. Extensive processing and testing is performed to ensure that nonpolymer reagent is removed. This approach results in a consistent product with minimal lot-to-lot variation.

These monofunctionalized dextrans can be used much like PEG—it can be used to increase protein half-life, reduce immunogenicity, and passivate surfaces. They can be labeled with a single fluorescent group to make a well-defined tracer.

Monofluorescent dextrans are listed with fluorescent dextrans.

Monothiol dextran synthesized with a single protected thiol (dithiolpyridyl group) and mono “click” dextrans are available as custom products.

Product	Molecular Weight	Form	Size	Price	Size	Price
Monoamino Dextran	10 kDa		100 mg	$300	500 mg	$900
	40 kDa		100 mg	$300	500 mg	$900
	70 kDa		100 mg	$300	500 mg	$900
	100 kDa		100 mg	$300	500 mg	$900
	250 kDa		100 mg	$300	500 mg	$900
	500 kDa		100 mg	$300	500 mg	$900
Monocarboxyl Dextran	10 kDa		100 mg	$300	500 mg	$900
	40 kDa		100 mg	$300	500 mg	$900
	70 kDa		100 mg	$300	500 mg	$900
	100 kDa		100 mg	$300	500 mg	$900
	250 kDa		100 mg	$300	500 mg	$900
	500 kDa		100 mg	$300	500 mg	$900
Mono Biotin Dextran	10 kDa		2 mg	$250	25 mg	$950
	40 kDa		2 mg	$150	25 mg	$600
	70 kDa		2 mg	$150	25 mg	$600
	250 kDa		2 mg	$150	25 mg	$600
	500 kDa		2 mg	$150	25 mg	$600
Monothiol Dextran	Custom	Lyophylized	25 mg	$325
	Specifiy MW		100 mg	$950
			500 mg	$2,750