Ultra-4 Centrifugal Filter Unit . Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens,. Achieve both high sample recovery and fast sample processing. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,.
from www.yumpu.com
Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens,. Achieve both high sample recovery and fast sample processing. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms.
Amicon® Ultra4 Centrifugal Filter Devices Millipore
Ultra-4 Centrifugal Filter Unit Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens,. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen.
From www.labsupply.co.nz
10kDa Amicon Ultra4 Centrifugal Filter Unit with Ultracel10 Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Concentration of biological samples containing antigens,. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Achieve both high sample recovery and fast sample processing.. Ultra-4 Centrifugal Filter Unit.
From cobetter.com
4ml Ultrafiltration Centrifugal Filters 3 kDa with RC Membrane 15/pk Ultra-4 Centrifugal Filter Unit Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Achieve both high sample recovery and fast sample processing. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in. Ultra-4 Centrifugal Filter Unit.
From www.ebay.com
Millipore Centrifuge Filter Amicon Ultra4 Box of 24 Filters 50kDa eBay Ultra-4 Centrifugal Filter Unit Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Concentration of biological samples containing antigens,. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Achieve both high sample recovery and fast sample processing. Concentration of. Ultra-4 Centrifugal Filter Unit.
From mungfali.com
Centrifugal Filter Units Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens,. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Achieve both high sample recovery and fast sample processing. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of. Ultra-4 Centrifugal Filter Unit.
From www.youtube.com
How to Perform a "Reverse Spin" with an Amicon® Ultra Centrifugal Ultra-4 Centrifugal Filter Unit Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens,. Achieve both high sample recovery and fast sample processing. Concentration of. Ultra-4 Centrifugal Filter Unit.
From labshop.kr
UFC801096 Amicon Ultra 4ML 10K 10000 MWCO NMWL 10KDa Centrifugal Ultra-4 Centrifugal Filter Unit Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Achieve both high sample recovery and fast sample processing. Ultrafiltration with 100,000 dalton molecular weight. Ultra-4 Centrifugal Filter Unit.
From www.desertcart.in
Buy Millipore UFC510096 Amicon Ultra Centrifugal Filter Unit with Ultra-4 Centrifugal Filter Unit Achieve both high sample recovery and fast sample processing. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Concentration of biological samples containing antigens,.. Ultra-4 Centrifugal Filter Unit.
From procure-net.com
Amicon Ultra4 Centrifugal Filter Centrifugal Ultrafiltration Device Ultra-4 Centrifugal Filter Unit Achieve both high sample recovery and fast sample processing. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens, antibodies, enzymes,. Ultra-4 Centrifugal Filter Unit.
From iiitl.ac.in
Amicon Ultra4 Centrifugal Filter 50 KDa MWCO Millipore, 56 OFF Ultra-4 Centrifugal Filter Unit Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens,. Achieve both high sample recovery and fast sample processing. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms.. Ultra-4 Centrifugal Filter Unit.
From procure-net.com
Amicon Ultra4 Centrifugal Filter Efficient Centrifugal Concentrator Ultra-4 Centrifugal Filter Unit Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Achieve both high sample recovery and fast sample processing. Concentration of. Ultra-4 Centrifugal Filter Unit.
From www.fishersci.com
MilliporeSigmaAmicon Ultra Centrifugal Filter Units Ultra4; w/Ultracel Ultra-4 Centrifugal Filter Unit Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ®. Ultra-4 Centrifugal Filter Unit.
From www.ddbiolab.com
Unidad de ultrafiltración de centrífuga Amicon Ultra 4 Merck Millipore Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens,. Achieve both high sample recovery and fast sample processing. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of. Ultra-4 Centrifugal Filter Unit.
From www.51wendang.com
Amicon Ultra4 Centrifugal Filter Devices User Guide_word文档在线阅读与下载_无忧文档 Ultra-4 Centrifugal Filter Unit Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Achieve both high sample recovery. Ultra-4 Centrifugal Filter Unit.
From procure-net.com
Amicon Ultra4 Centrifugal Filter Efficient Centrifugal Concentrator Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid. Ultra-4 Centrifugal Filter Unit.
From www.ebay.co.uk
24 x Millipore Amicon Ultra4 Centrifugal PLTK Filter Unit 4ml 30kDa Ultra-4 Centrifugal Filter Unit Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Concentration of biological samples containing antigens,. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen.. Ultra-4 Centrifugal Filter Unit.
From www.amazon.ca
Millipore UFC910024 Amicon Ultra Centrifugal Filter Unit with PLHK Ultra-4 Centrifugal Filter Unit Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Achieve both high sample recovery and fast sample processing. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens, antibodies, enzymes,. Ultra-4 Centrifugal Filter Unit.
From www.fishersci.ca
MilliporeSigma™ Amicon™ Ultra Centrifugal Filter Units Fisher Scientific Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Achieve both high sample recovery. Ultra-4 Centrifugal Filter Unit.
From iiitl.ac.in
Amicon Ultra4 Centrifugal Filter 50 KDa MWCO Millipore, 56 OFF Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens,. Achieve both high sample recovery and fast sample processing. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of. Ultra-4 Centrifugal Filter Unit.
From www.fishersci.com
MilliporeSigma Amicon Ultra4 Centrifugal Filter Units Ultra4 Ultra-4 Centrifugal Filter Unit Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein. Ultra-4 Centrifugal Filter Unit.
From www.ddbiolab.com
Centrifugal ultrafiltration unit Amicon Ultra 4 Merck Millipore Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens,. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Achieve both high sample recovery and fast sample processing.. Ultra-4 Centrifugal Filter Unit.
From sibgene.com
Millipore UFC801024 Amicon Ultra4 Centrifugal Filter Unit Ultracel10K Ultra-4 Centrifugal Filter Unit Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens,. Achieve both high sample recovery and fast sample processing. Concentration of. Ultra-4 Centrifugal Filter Unit.
From www.desertcart.com.kw
Buy Briscale® Pack of 4 Ultra Centrifugal Filter 15mL Ultrafiltration Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Die ultracel membran aus. Ultra-4 Centrifugal Filter Unit.
From www.merckmillipore.com
Ultrafree®MC and CL Centrifugal Filter Units Sample Clarification Ultra-4 Centrifugal Filter Unit Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens,. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose. Ultra-4 Centrifugal Filter Unit.
From www.fishersci.co.uk
Merck Millipore Amicon™ Ultra Centrifugal Filter Units Ultra15; 3000 Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens,.. Ultra-4 Centrifugal Filter Unit.
From www.tokopedia.com
Jual Amicon Ultra4 Centrifugal Filter Unit, 24 Pk, MERCK, UFC801024 Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens,. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Achieve both high sample recovery and fast sample processing. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Die ultracel membran aus. Ultra-4 Centrifugal Filter Unit.
From www.tokopedia.com
Jual Amicon Ultra4 Centrifugal Filter Unit, 24 Pk, MERCK, UFC800324 Ultra-4 Centrifugal Filter Unit Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Concentration of biological samples containing antigens,. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Achieve both high sample recovery and fast sample processing. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose. Ultra-4 Centrifugal Filter Unit.
From www.capitolscientific.com
MilliporeSigma UFC801024 Amicon® Ultra4 Centifugal Filter Concentrator wit Ultra-4 Centrifugal Filter Unit Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose. Ultra-4 Centrifugal Filter Unit.
From www.yumpu.com
Amicon® Ultra4 Centrifugal Filter Devices Millipore Ultra-4 Centrifugal Filter Unit Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Concentration of biological samples containing antigens,. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose. Ultra-4 Centrifugal Filter Unit.
From www.ebay.com
Millipore UFC800396 Amicon Ultra4 Centrifugal Filter Ultracel 3K MWCO Ultra-4 Centrifugal Filter Unit Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens, antibodies, enzymes,. Ultra-4 Centrifugal Filter Unit.
From zapmaraba.com.br
10,000 MWCO, PES membrane, 100 per pack Vivaspin 4 Centrifugal Ultra Ultra-4 Centrifugal Filter Unit Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Achieve both high sample recovery and fast sample processing. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens, antibodies, enzymes,. Ultra-4 Centrifugal Filter Unit.
From www.fishersci.ca
MilliporeSigma™ Amicon™ Ultra Centrifugal Filter Units Fisher Scientific Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens,. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Achieve both high sample recovery and fast sample processing. Die ultracel membran aus. Ultra-4 Centrifugal Filter Unit.
From sibgene.com
Millipore UFC800396 Amicon Ultra4 Centrifugal Filter Unit Ultracel3K 4 ml Ultra-4 Centrifugal Filter Unit Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Achieve both high sample recovery and fast sample processing. Concentration of biological samples containing antigens,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Die ultracel membran aus. Ultra-4 Centrifugal Filter Unit.
From www.ebay.com
Millipore UFC800324 Amicon Ultra4 Centrifugal Filter Unit Ultracel3K Ultra-4 Centrifugal Filter Unit Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Achieve both high sample recovery and fast sample processing. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein. Ultra-4 Centrifugal Filter Unit.
From nazya.com
Купить Другие медицинские, лабораторные и стоматологические материалы Ultra-4 Centrifugal Filter Unit Die ultracel membran aus regenerierter zellulose mit hoher rückgewinnung in einer vielzahl von molekulargewichtsabscheidegrenzen. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Concentration of biological samples containing antigens,. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid. Ultra-4 Centrifugal Filter Unit.
From ch.vwr.com
Centrifugal filter units, Amicon® Ultra4 VWR Ultra-4 Centrifugal Filter Unit Emd amicon™ ultra centrifugal filter units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification,. Concentration of biological samples containing antigens,. Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms. Ultrafiltration with 100,000 dalton molecular weight cutoff ultracel ® membrane. Achieve both high sample recovery and fast sample processing. Die ultracel membran aus. Ultra-4 Centrifugal Filter Unit.