Bestdex G-25

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1. Introduction

Bestdex G-25 series resin is made by dextran as raw material and chlorinated propylene oxide as cross-linking agent. Featuring hydrophilicity and multiple pore sizes, the product is widely used for buffer exchange、desalting and small molecule removal of bio-organism samples(protein, polysaccharide and nucleic acid). It can also be used for separation of peptide, oligonucleotides as well as the purification of antibiotics, chemical synthesized medication and natural organism. Besides, application to nanotechnology and sewage disposal is becoming increasingly commonplace.

Functioning as molecular sieves, Bestdes G-25 series separate molecules in various sizes according to the variety in retention time of molecules in the column. Bestdex G-25 is divided into four types based on particle size: Bestdex G-25 C (coarse), Bestdex G-25 M (Medium), Bestdex G-25 F(Fine), and Bestdex G-25 SF (Super fine).

2. Technical Characteristics

Product		Bestdex G-25 C	Bestdex G-25 M	Bestdex G-25 F	Bestdex G-25 SF
Appearance		White to yellowish spherical powder
Matrix		Cross-linking dextran
Particle size (dry) ⁺		100~300μm	50~150μm	20~80μm	20~50μm
Particle size (wet)⁺⁺		160~500μm	80~240μm	30~130μm	30~80μm
Average particle size (wet)⁺⁺		320μm	140μm	90μm	50μm
Max. flow velocity（cm/h）⁺⁺⁺		650	430	240	110
Separation range	Linear molecule	100D~5KD
	Globular molecule	1KD~5KD(10~45 amino acid)
	nucleotide	<8bp
Swelling ratio（mL /g dry powder）		2.5
Volume of swelling swelling resin per gram of dry powder		4~6mL (water) ~4.5mL (0.5M NaCl)
pH stability		2~13
Chemical Stability		Stable in common aqueous buffers: 0.2M NaOH，0.2M HCl，1MHAc，6M GuHCl,8M Urea, 1%SDS, 24% ethanol, 30% propanol, 30% acetonitrile

+Particle size is normally distributed, and particles within this range account for more than 80% of the total.

++ The particle size in different solutions will be different, this data is the particle size in PBS

+++BXK26/70, Column height 60cm, pressure 0.3MPa measured

3. Order Information

Product	Code No.	Pack size	Product	Code No.	Pack size
Bestdex G-25 C	AG0111	25g	Bestdex G-25 F	AG0131	25g
	AG0112	100g		AG0132	100g
	AG0113	500g		AG0133	500g
	AG0114	1kg		AG0134	1kg
	AG0115	5kg		AG0135	5kg
	AG0116	10kg		AG0136	10kg
	AG331115	25kg		AG333115	25kg
Bestdex G-25 M	AG0121	25g	Bestdex G-25 SF	AG0141	25g
	AG0122	100g		AG0142	100g
	AG0123	500g		AG0143	500g
	AG0124	1kg		AG0144	1kg
	AG0125	5kg		AG0145	5kg
	AG0126	10kg		AG0146	10kg
	AG332115	25kg		AG334115	25kg

Product（wet resin）	Code No.	Pack size
Bestdex G-25 C	AG1402	1L
Bestdex G-25 M	AG0502	1L
	AG0505	5L
	AG0506	10L
	AG0507	20L
Bestdex G-25 F	AG0602	1L
Bestdex G-25 SF	AG0702	1L

Prepacked columns	Code No.	Pack size
BC10 G-25 F	EG002	30
EzFast G-25 F	EG06021	1×1mL
	EG06031	5×1mL
	EG104201	1×5mL
	EG001	5×5mL
EzLoad 16/10 G-25 F	EG025	1 pcs
EzLoad 26/10 G-25 F	EG026	1 pcs
EzFast G-25 M	EG05021	1×1mL
	EG05031	5×1mL
	EG05023	1×5mL
	EG05033	5×5mL
EzLoad 50/20 G-25 M	EG022	1 pcs
EzLoad 16/10 G-25 M	EG104204	1 pcs
EzLoad 26/10 G-25 M	EG008	1 pcs

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Dextran Based Resins

Bestdex G-25

Product Characteristics

1. Introduction

2. Technical Characteristics

3. Order Information

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