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Introduction
Which kit should I use?
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   Dextran Sulfate Assays
Introduction
Which kit should I use?
Supplemental Products
   Dextran Assays
Introduction
About Dextran
About the ELISA
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   Dermatan Sulfate Assays
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   Heparan Sulfate Assays
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   Other Products
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   Instruments
Dextran Sulfate Assays
Lifespan Kit Box

Dextran sulfate can be conveniently quantified by means of our DS ELISA series. Mammalian cell culture is increasingly used for production of pharmaceutical proteins. Dextran sulfate is used in these cultures to increase the protein yield. Dextran sulfates around 7 kDa MW are used for this purpose as they are much smaller than the produced proteins. The dextran sulfate is then removed using techniques that take advantage of this size difference. Lifespan’s dextran sulfate ELISAs are the industry standard for in-process quality control during DS removal.

Its application is extensively used by:
Plasma Fractioning Industry
In process QC

Virus/Vaccine Production Industry
In process QC

Which kit should I use?
The following are the uses we recommend for each dextran sulfate ELISA kit:
S-3800: Low Molecular Weight Dextran Sulfate ELISA Stable Liquid Kit for buffer

a) suitable for measuring low molecular weight dextran sulfate (LMWDS) in buffer.
b) detection range: in the range 0.001-0.3 µg per mL.
c) suitable for LMWDS pharmacokinetics and clinical research.
d) the conjugate is provided in stable liquid solution.

ORDERING INFORMATION
Product number: S-3800
Methodology: ELISA
Equipment: plate reader, absorbance 450nm
Specimen Requirement: urine or buffer
Sample Volume: 50 µL
Price: $875
Download Technical Data Sheet
 
S-3900: Extended Range LMWDS/HMWDS ELISA Stable Liquid Kit for buffer

a) suitable for measuring high molecular weight dextran sulfate (HMWDS) in buffer or urine in the range 0.003 to 0.3 µg per mL.
b) suitable for measuring low molecular weight dextran sulfate (LMWDS) in buffer or urine in the range 0.01 to 1.0 µg per mL.
c) the conjugate is provided in stable liquid solution.

ORDERING INFORMATION
Product number: S-3900
Methodology: ELISA
Equipment: plate reader, absorbance 450nm
Specimen Requirement: urine or buffer
Sample Volume: 50 µL
Price: $875
Download Technical Data Sheet
 
S-4000: Low Molecular Weight Dextran Sulfate (LMWDS) ELISA for Plasma or Other High Protein Samples

a) suitable for measuring low molecular weight dextran sulfate (LMWDS) in plasma or other high protein samples in the range 0.3 to 100 µg per mL.
b) has been used with mouse, rat, rhesus, dog and human plasmas.
c) suitable for LMWDS pharmacokinetics, production of pharmaceutical proteins and clinical research.
d) the conjugate is now provided as a stable liquid solution for your added convenience.
e) recommended to be used with our K-1717 Plasma and High Protein Sample Pretreatment solution.

ORDERING INFORMATION
Product number: S-4000
Methodology: ELISA
Equipment: plate reader, absorbance 450nm
Specimen Requirement: Plasma or other high protein matrix
Sample Volume: 10 µL
Price: $875
Download Technical Data Sheet
 
K-4100: High Molecular Weight Dextran Sulfate (HMWDS) ELISA for Plasma

a) suitable for measuring high molecular weight dextran sulfate (HMWDS) in plasma in the range 0.03 to 10 µg/mL.
b) has been used with mouse, rat, rhesus, dog and human plasmas.
c) suitable for pharmacokinetics and clinical research.

ORDERING INFORMATION  
Product number: K-4100
Methodology: ELISA
Equipment: plate reader, absorbance 450nm
Specimen Requirement: plasma
Sample Volume: 10 µL
Price: $875
Download Technical Data Sheet
 
K-4200: Extended Range LMWDS/HMWDS ELISA for Buffer

a) suitable for measuring high molecular weight dextran sulfate (HMWDS) in buffer in the range 0.003 to 1.0 µg per mL.
b) suitable for measuring low molecular weight dextran sulfate (LMWDS) in buffer in the range 0.003 to 1.0 µg per mL.

ORDERING INFORMATION  
Product number: K-4200
Methodology: ELISA
Equipment: plate reader, absorbance 450nm
Specimen Requirement: buffer
Sample Volume: 50 µL
Price: $875
Download Technical Data Sheet
 
K-4300: Extended Range LMWDS ELISA for Buffer

a) suitable for measuring low molecular weight dextran sulfate (LMWDS) in buffer in the range 3 to 1000 µg per mL.
b) best for inprocess control of LMWDS.

ORDERING INFORMATION  
Product number: K-4300
Methodology: ELISA
Equipment: plate reader, absorbance 450nm
Specimen Requirement: buffer
Sample Volume: 10 µL
Price: $875
Download Technical Data Sheet
 
K-4000: Low Molecular Weight Dextran Sulfate (LMWDS) ELISA for Plasma

a) suitable for measuring low molecular weight dextran sulfate (LMWDS) in plasma in the range 0.1 to 30 µg per mL.
b) has been used with mouse, rat, rhesus, dog and human plasmas.
c) suitable for LMWDS pharmacokinetics and clinical research.
d) recommended to be used with our K-1717 Plasma & High Protein Sample Pretreatment solution. (See listing in the Reagents section)

ORDERING INFORMATION  
Product number: K-4000
Methodology: ELISA
Equipment: plate reader, absorbance 450nm
Specimen Requirement: urine or buffer
Sample Volume: 10 µL
Price: $875
Download Technical Data Sheet
 
Supplemental Products
K-4401
K-4401: Dextran Sulfate coated 96 well plate

Lifespan now offers 96 well K-4401 dextran sulfate coated plates for convenient research.

ORDERING INFORMATION  
Product number: K-2401
Price: $295
 
S-3802: Dextran Sulfate Detector Enzyme Conjugate, HRP conjugated, liquid
S-3802: Dextran Sulfate Detector Enzyme Conjugate, HRP conjugated, liquid

Lifespan now offers its unique dextran sulfate detector enzyme conjugate that is HRP conjugated.

ORDERING INFORMATION  
Product number: S-3802
Quantity: 2.0 µg
Price: $450
 
K-4202: Dextran Sulfate Detector Enzyme Conjugate, HRP conjugated, lyophilized
K-4202: Dextran Sulfate Detector Enzyme Conjugate, HRP conjugated, lyophilized

Lifespan now offers its unique dextran sulfate detector enzyme conjugate that is HRP conjugated.

ORDERING INFORMATION  
Product number: K-4202
Quantity: 2.0 µg
Price: $420
 
K-1713: Low Molecular Weight Dextran Sulfate Standard Solutions
K-1713: Low Molecular Weight Dextran Sulfate Standard Solutions

Lifespan now offers ready to use low molecular weight (6000 - 8000 MW) dextran sulfate standards in tris buffered saline (TBS). Each set contains concentrations ranging from 0.0003 – 3 µg per mL and includes a 0 microliter per mL vial. Each vial contains 450 µL.

ORDERING INFORMATION  
Product number: K-1713
Price: $230
Download Technical Data Sheet
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