
Protein Purification Reagents and Kits
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Filtered Search Results

Invitrogen™ MagniSort™ Human CD4 Naïve T cell Enrichment Kit
Designed for the magnetic separation of CD4 naïve T cells by negative selection. It has been optimized for the isolation of human CD4 naïve T cells from normal human peripheral blood mononuclear cells utilizing a biotinylated antibody cocktail and streptavidin-coated magnetic beads.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Invitrogen™ MagniSort™ Human CD19 Positive Selection Kit
The MagniSort™ Human CD19 Positive Selection Kit is designed for the magnetic separation of CD19+ cells by positive selection.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Invitrogen™ MagniSort™ Human CD4 T cell Enrichment Kit
Designed for the magnetic separation of CD4 T cells by negative selection. It has been optimized for the isolation of human CD4 T cells from normal human peripheral blood mononuclear cells utilizing a biotinylated antibody cocktail and streptavidin-coated magnetic beads.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
MilliporeSigma™ D-Tube Dialyzer Maxi, MWCO 3.5 kDa
Used for dialysis and electroelution of proteins, RNA, DNA, and oligonucleotides from polyacrylamide or agarose gels
MilliporeSigma™ D-Tube™ Dialyzer Maxi, MWCO 12-14 kDa

Used for dialysis and electroelution of proteins, RNA, DNA, and oligonucleotides from polyacrylamide or agarose gels
MilliporeSigma™ D-Tube™ Dialyzer Mega, 10mL, MWCO 3.5 kDa
Used for dialysis and electroelution of proteins, RNA, DNA, and oligonucleotides from polyacrylamide or agarose gels
Product Type | D-Tube Dialyzer Mega, 10mL, MWCO 3.5 kDa |
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MilliporeSigma™ D-Tube™ Dialyzer Mega, 15mL, MWCO 3.5 kDa
Used for dialysis and electroelution of proteins, RNA, DNA, and oligonucleotides from polyacrylamide or agarose gels
Includes | 10 or 50 tubes and one or 5 floating racks to hold one D-Tube Mega in the exchange buffer |
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Content And Storage | +15°C to +30°C |
Product Type | D-Tube Dialyzer Mega, 15mL, MWCO 3.5 kDa |
MilliporeSigma™ D-Tube96™ Dialyzer, 6-8 kDa
Convenient and simultaneous dialysis of 96 samples in high throughput manner
Thermo Scientific™ POROS™ Oligo (dT)25 Affinity Resin
Thermo Scientific™ POROS™ Oligo (dT)25 Affinity Resin is designed for the purification and isolation of mRNA from in vitro transcription (IVT) manufacturing processes.
Particle Size | 50 μm |
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Shipping Condition | Wet Ice |
Stationary Phase | Poly(dT) 25mer with proprietary linker |
Type | Bulk Resin |
Target | mRNA |
Content And Storage | Store at 2°C to 8°C. |
Matrix | Cross-linked poly(styrene-divinylbenzene) POROS beads |
Form | Liquid Suspension |
Binding Capacity | >2 mg mRNA per mL of resin |
Product Line | POROS™ |
Thermo Scientific™ POROS™ Caprylate Mixed-Mode Cation Exchange Chromatography Resin
Thermo Scientific™ POROS™ Caprylate Mixed-Mode Chromatography Resin is designed to remove moderate to high levels of aggregates during downstream processing of therapeutic antibodies in flow-through mode.
Particle Size | 50 μm |
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Shipping Condition | Ambient, cold |
Stationary Phase | Caprylic Acid |
Type | Bulk Resin |
Target | Monoclonal antibodies |
Matrix | Poly(styrene-co-divinylbenzene) |
Product Line | POROS™ |
Thermo Scientific™ POROS™ CaptureSelect™ AAVX Affinity Resin
Thermo Scientific™ POROS™ CaptureSelect™ AAVX Affinity Resin is engineered to address the high selectivity and capacity requirements for large-scale downstream purification of a broad range of naturally occurring and synthetic adeno-associated virus (AAV) serotypes used for gene therapy applications.
Particle Size | 50 μm |
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Shipping Condition | Wet Ice |
Type | Resin |
Content And Storage | Store in refrigerator at 2°C to 8°C. |
Form | Liquid Suspension |
Binding Capacity | >1 x 1013 genome copies/mL of resin |
Column Type | Affinity |
Product Line | POROS™ |
R&D Systems™ Sialyltransferase Activity Kit

A simple, nonradioactive high throughput-compatible format for assaying the enzyme activity of all sialyltransferases regardless of different acceptor substrates
R&D Systems™ Universal Sulfotransferase Activity Kit
A simple, nonradioactive high throughput-compatible format for assaying the enzyme activity of all sulfotransferases that use 3-phosphoadenosine-5-phosphosulfate (PAPS) as the donor substrate
Thermo Scientific™ Neuron Isolation Enzyme (with papain) for Pierce™ Primary Cell Isolation Kits
Easily isolate and culture highly viable functional primary neurons
Thermo Scientific™ Pierce™ Kinase Enrichment Kit with ADP Probe
ActivX™ probes have been designed to selectively label and enrich kinases through binding of their respective active sites with desthiobiotin tagged ATP or ADP to enable assessment of enzyme activity.