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يكشنبه 6 خرداد 1397

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Sample concentrators, Viv

Sample concentrators, Vivaspin®



Vivaspin® sample concentrators are designed for fast, nondenaturing concentration of biological samples by membrane ultrafiltration. Up to 30-fold concentration of the sample can be achieved with recovery of the target molecule typically exceeding 95%. The entire process is performed in a single tube with an upper compartment containing sample and lower compartment separated by a semipermeable membrane with a molecular weight cutoff (MWCO) selected by the user. Centrifugation is applied to force solvent through the membrane, leaving a more concentrated sample in the upper chamber.

  • One-step sample concentration in a single tube for minimal sample handling and reduced sample loss
  • Patented dead-stop technology, which ensures that samples cannot be concentrated to dryness and enables direct concentrate recovery
  • Vertical PES membrane minimises membrane blockage and tolerates high flow rates
  • Compatible pH range is from pH 1 to 9
Vivaspin® sample concentrators cater for sample volumes from 100 μl to 20 ml, with a range of molecular weight cutoff values from Mr 3000 to 100 000. For maximum recovery, select a MWCO at least 50% smaller than the molecular size of the species of interest.
Vivaspin® 500


MWCO Pk VWR Catalog Number Price Quantity

100 kD 25 28-9322-37 £63.55

10 kD 25 28-9322-25 £63.55

30 kD 25 28-9322-35 £63.55

3 kD 25 28-9322-18 £63.55

50 kD 25 28-9322-36 £63.55

5 kD 25 28-9322-23 £63.55

Vivaspin® 2


MWCO Pk VWR Catalog Number Price Quantity

100 kD 25 28-9322-58 £98.14

10 kD 25 28-9322-47 £98.14

30 kD 25 28-9322-48 £98.14

3 kD 25 28-9322-40 £98.14

50 kD 25 28-9322-57 £98.14

5 kD 25 28-9322-45 £98.14

Vivaspin® 6


MWCO Pk VWR Catalog Number Price Quantity

100 kD 25 28-9323-19 £130.55

10 kD 25 28-9322-96 £130.55

30 kD 25 28-9323-17 £130.55

3 kD 25 28-9322-93 £130.55

50 kD 25 28-9323-18 £130.55

5 kD 25 28-9322-94 £130.55

Vivaspin® 20


MWCO Pk VWR Catalog Number Price Quantity

100 kD 12 28-9323-63 £93.61

10 kD 12 28-9323-60 £93.61

30 kD 12 28-9323-61 £93.61

3 kD 12 28-9323-58 £93.61

50 kD 12 28-9323-62 £93.61

5 kD 12 28-9323-59 £93.61

Filtration area (cm²) 0,5
Dead volume \<5 µl
Ø×H (mm) 11×50

اعتبار قیمت 94.10.12

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