Achieve both high sample recovery and fast sample processing. Amicon™ Ultra Centrifugal Filter Units feature regenerated cellulose membranes that are ideal for protein and nucleic acid purification, concentration and desalting. Available in several diameters and molecular weight limits. X8 AMICON ULTRA-4 4ML 3K NMWL

Offers increased volume flexibility and performance. Vivaspin™ 20 Centrifugal Concentrator handles up to 20mL in swing bucket rotors and 14mL in fixed angle rotors accepting 50mL centrifuge tubes. Features twin vertical membranes for unparalleled filtration speed and >100-fold concentration. X12 Membrane Vivaspin 20 5-20ml samples MWCO

Ideal centrifugal filter for protein extraction, protein purification and sample prep. Millipore™ Ultrafree-MC Centrifugal Filter is a singl-use, disposable filter. X25 ULTRAFREE-MC PTFE LH 25

White cards are made from a blend of 100% cotton and cellulose fibers X200 Fisherbrand filter cards for Shandon Cytospin

Prepare and purify microcentrifuge samples. Ultrafree™-MC Centrifugal Filter Devices with Durapore™ Membrane enables fast, convenient sample preparation of very low hold-up volumes. Available in sterile and non-sterile versions and a variety of pore sizes. X50 ULTRAFREE MC GV STER

Use for one-step, non-denaturing sample concentration in a single tube for minimal sample handling and reduced sample loss. GE Healthcare Life Vivaspin™ 6 Sample Concentrators cater to scientists working with sample volumes ranging from 100 μl to 20 ml, with a range of MWCO values from Mr 3 000 to 100 000. X25 CONCENTRATOR VIVASPIN 6 3KDA MWCO, PES

Reagents for Amicon Pro Affinity Concentration Kit Protein G with Amicon Ultra–0.5 Device 1SET Amicon Pro Affinity Concentration Kit Protein G

Consisting of a membrane-containing filter unit within a polypropylene centrifuge tube. Corning™ Costar™ Spin-X™Centrifuge Tube Filters effectively filters small sample volumes by centrifugation for bacteria removal, particle removal, HPLC sample preparation, removal of cells from media and purification of DNA from agarose and polyacrylamide gels. X96 Centrifuge tube filters Spin-X CA 2ml, 0.22µm, Sterile, 24/bag

Optimize cell yield with the Thermo Scientific™ Shandon™ EZ Single Cytofunnel™ with White Filter Cards and Caps. X200 CYTOFUNNEL EZsingle (pack of 200)

Amicon Pro Affinity Concentration Kit Ni-NTA - A Centrifugal Tool for purifying and concentrating His-tagged proteins. Amicon Pro System AU0.5 3kDa and Reagent kit NiNTA

Fast, convenient sample preparation; very low hold-up volumes (10μL) X25 ULTRAFREE CL VVPP

Provides efficient concentration, desalting, or buffer exchange of aqueous biological samples. X100 Protein Microcon - 10 Kda

Collapses the protein purification workflow into as few as three spins, in a single device X12 Amicon Pro System - AU0.5 3K

Achieve fast sample concentration and high recovery. Sartorius™ Vivaspin™ 6 Centrifugal Concentrators are the only device of its size that can process 6mL samples. They feature twin vertical membranes and built-in dead stop pockets. Available with PES membranes in a wide range of molecular weight cut-offs. X100 Membrane Vivaspin 6 2-6ml samples MWCO (PES)bevolumen 2-6ml PES 5,000 MWCO (100Stck.)

Use for one-step, non-denaturing sample concentration in a single tube for minimal sample handling and reduced sample loss. GE Healthcare Life Vivaspin™ 20 Sample Concentrators cater to scientists working with sample volumes ranging from 100 μl to 20 ml, with a range of MWCO values from Mr 3 000 to 100 000. CONCENTRATOR GE HEALTHCARE VIVASPIN 20 50KDAMWCO, PES

X100 Protein concentrator Vivaspin 2 for samples

Provides a simple, one-step concentration procedure. Sartorius™ Vivaspin™ 500 Centrifugal Concentrators are disposable ultrafiltration devices for the concentration of biological samples with starting volumes up to 500µL. Available with PES membranes in a wide range of molecular weight cut-offs. X100 Protein concentrator Vivaspin500 for samples100-600µl PES 700,000MWCO (100St)

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. 10rxn Protein Concentrator PES, 30K MWCO, 5-20ml

Double the number of sample presentations per run with the Thermo Scientific™ Shandon™ EZ Double Cytofunnel™. X200 Cytofunnel Thermo Scientific Shandon EZ

Use the Thermo Scientific™ Shandon™ EZ Single Cytofunnel™ with Brown Filter Cards for sample volumes of 0.4mL or less. EZ Single Cytofunnel,Brn,40/BX

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. 10RXN Pierce Protein Concentrator PES, 100K MWCO,2-6 mL

For use with disposable white filter cards for sample volumes up to 0.5mL and for use with disposable brown filter cards for sample volumes of 0.4mL or less X200 Filtercard Thermo Scientific Shandon white

Handles volumes up to 500μL. Corning™ Costar™ Centrifugal Devices: Spin-X™ LC includes a nylon membrane for applications such as HPLC sample preparation. X200 Centrifuge tube filters Spin-X NY 2ml, 0.45µm, NonSterile, 100/bag

Filter volumes as low as 50µL with low hold-up volume with these 750µL polypropylene micro-centrifugal filters. X100 CENTRIFUGE FILTER, 750UL NYLON, 0.45UM

Filter volumes up to 2mL with these 2mL polypropylene centrifugal filters X25 2 ML CENTRIFUGE FILTER, PTFE, 0.2UM

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. 100ml Protein Concentrator PES, 10K MWCO

Prepare larger volume samples conveniently with the Thermo Scientific™ Shandon™ EZ Megafunnel with Caps and Slides. X25 Cytocentrifuge funnel Thermo Scientific Shando

Filter volumes up to 25mL with these 25mL polypropylene centrifugal filters. X50 CELLA 25ML CENTRI FILTER 0.2µM PORE SIZE

Hold sample volumes of up to 0.5mL with the Thermo Scientific™ Shandon™ Single Cytofunnel™ with White Filter Cards. X500 Cytofunnel Thermo Scientific Shandon singlewith caps white(pack of 500)

For the Thermo Scientific™ Shandon™ CytoSpin™ Centrifuge X50PK FISHER BRAND SINGLE WHITE CYTOFUNNELS W.CAPS"research use only"