Protein Purification Products & Reviews

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Protein purification is a vital step in drug discovery, therapeutics, biotech and life science research. The purification process typically involves subcellular or membrane protein extraction with cell lysis kits, separation of proteins from cell debris by filtration or spin columns, and the isolation of proteins of interest from other proteins and impurities with affinity purification (including fusion protein tags and antibody binding proteins A, G and L), immunoprecipitation or chromatographic methods, such as ion exchange, size exclusion and immobilized metal affinity chromatography. All purification methods come in multiple formats for your laboratory needs, including agarose or magnetic beads, resins, columns and filter plates. Find the best protein purification equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.

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Vac Elut SPS 24 Manifold

Agilent Technologies

Process up to 24 SPE Cartridges at the Same Time      The Vac Elut SPS 24 allows you to process up to 24 SPE cartridges simultaneously. Like all Vac Elut manifolds, the SPS 24 is made from durable, solvent-resistant materials and engineered to last. The glass sides allow easy viewing of the entire sample collection process.  

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Vacuum Manifolds, Parts and Accessories

Agilent Technologies

Manifolds and Accessories   Agilent manifolds and accessories complement the quality of SampliQ sorbents. Flexible configurations and availability as complete assemblies or individual components mean that the user has the necessary capability at any stage from method development to high-throughput operation. A full selection of adapters allows stacking cartridges for multi-step separation of or use of flexible cartridges on 12…

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AcroPrep™ Advance 96-Well Filter Plates for Multiplexing

Pall Life Sciences - Laboratory, Food, Beverage

Superior Bead Recovery and Low Levels of False Positives Ensure Assay Reproducibility. Smooth well wall provides efficient bead recovery, ensuring reproducible results lot after lot High performance membrane does not trap microspheres in the membrane matrix In serological assays, Supor® membrane effectively removes IgG complexes, thus reducing nonspecific reactivity of the microspheres and reducing false positives New well des…

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AcroPrep™ Advance 96-Well Filter Plates for Solvent Filtration

Pall Life Sciences - Laboratory, Food, Beverage

Robust Chemical Resistance Provides Compatibility with Harsh Organics. Chemically resistant materials provide a stable platform to process samples in organic solvents Inert materials of construction ensure complete recovery of samples and low non-specific binding New well design results in faster, more uniform filtration rates across the plate and reduces hold-up volume Innovative outlet tip geometry provides direct flow of sa…

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QuickPick™ GST for proteins

Bio-nobile

QuickPick™ GST kit for proteins, 48 preps (62411)The ready-to-use QuickPick GST glutathione affinity kit is intended for the purification of GST (glutathione-S-transferase)-tagged proteins. It is optimized for use with the PickPen 1-M magnetic tool, and at least 40 ug tagged protein can be purified per prep.

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MS-Grade Calmodulin Resin

Agilent Technologies

High-quality, pure RNA Eliminates tedious, time-consuming lab procedures. Multiple functional tests. Most Economical source of RNA  High-quality, pure RNA  Eliminates tedious, time-consuming lab procedures  Multiple functional tests  Most Economical source of RNA

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Calmodulin Affinity Resin

Agilent Technologies

The Affinity protein expression and purification system provides a simple, gentle, and effective method for high-level protein expression and purification. A complete Affinity protein expression and purification system includes calmodulin (calcium-modulated protein or CaM) affinity resin and pCAL expression vectors, containing a calmodulin-binding peptide (CBP) tag.

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BugBuster® Master Mix

Merck

BugBuster® Master Mix combines BugBuster Protein Extraction Reagent with Benzonase® Nuclease and rLysozyme™ Solution in one convenient reagent. BugBuster Master Mix allows for maximum recovery of active soluble protein from both Gram-negative and Gram-positive bacteria. With the Master Mix, there is no need for dilution or separate addition steps. The two available package sizes provide sufficient reagents for protein extracti…

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ProteoExtract® Subcellular Proteome Extraction Kit

Merck

AVOID FREEZE/THAW CYCLES. The ProteoExtract Subcellular Proteome Extraction Kit is a tool for the differential extraction of proteins from adherent or suspension tissue culture cells according to their subcellular localization. The sequential extraction steps yield fractions containing cytosolic proteins, plasma membrane and organelle proteins, soluble nuclear proteins, and finally cytoskeletal and nuclear matrix proteins. To…

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Phosphosafe™ Extraction Reagent

Merck

PhosphoSafe™ Extraction Buffer extracts cytosolic proteins from mammalian and insect cells while preserving their phosphorylation state. The reagent, an enhancement of the CytoBuster™ Protein Extraction reagent, includes four phosphatase inhibitors. PhosphoSafe is compatible with Western blotting, immunoprecipitations, and kinase assays.  

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Ni-NTA His Bind® Resin

Merck

Purification of His•Tag fusion proteins by metal chelation chromatographyThe His•Bind® family of products offers a wide selection of supports designed for rapid one-step purification of proteins containing the His•Tag® sequence by immobilized metal affinity chromatography (IMAC). The His•Tag sequence (6, 8 or 10 consecutive histidine residues) binds to divalent cations (Ni2+) immobilized on NTA*- and IDA-based His•Bind resins.…

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miVac Concentrators

Genevac

miVac is a range of centrifugal vacuum concentrators and freeze driers capable of removing water and organic solvents from a variety of sample formats including tubes, microplates, and vials. miVac concentrators come in 2 sizes, the smaller Duo and a larger Quattro. There is a choice of vacuum pump and rotor according to application and sample format.  To speed concentration built-in special runs for working with water and…

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RFP-Trap®

Chromotek GmbH

RFP -Trap® - use your fluorescence fusion as tag for biochemical studies Curiously RFP, a widely used labeling tag in cell biology, is rarely used for biochemical analyses. This may be due in part to limited RFP antibody availability and specificity as well as co-eluted heavy and light antibody chains that interfere with subsequent analyses. Superior results in a fraction of the time The ChromoTek RFP-Trap® overcomes these pro…

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GST Toolbox

Chromotek GmbH

Fusion of proteins to Glutathione S-Transferase (GST) of Schistosoma japonicum is a common technique to increase solubility and expression level of a protein. Furthermore, GST-tagged fusion proteins are often used in protein-protein interaction studies. Both approaches require highly specific tools to isolate and detect GST fusion proteins. GST-Trap The GST-Trap is a highly specific and robust GST-binding protein coupled to ma…

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Epigenetic Toolbox

Chromotek GmbH

DNA methylation was the first epigenetic modification identified and has been intensively studied for more than half a century. By now it is clear that Dnmt1, the major eukaryotic DNA methyltransferase, faithfully maintains genome-wide methylation patterns and plays an essential role in the epigenetic network controlling gene expression and genome stability during development. However, the molecular mechanisms that ultimately…

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Cell Cycle Toolbox

Chromotek GmbH

Proliferating cell nuclear antigen (PCNA) is a homotrimeric ring-shaped protein that encircles DNA and acts as a loading platform for multiple, transiently interacting factors participating in various DNA transactions. PCNA plays a key role in DNA replication, repair, cell cycle regulation, and post-replicative transactions like DNA methylation and chromatin remodeling. All these cellular processes are regulated by a complex n…

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cOmplete His-Tag Purification Resin

cOmplete His-Tag Purification Resin is an innovative high-capacity IMAC (Immobilized Metal Affinity Chromatography) matrix for convenient single-step purification of His-tagged proteins from lysates. Roche's new proprietary nickel-chelate chemistry is compatible with commonly used reducing agents (such as DTT), chelating metalloprotease inhibitors (such as EDTA), and a wide range of buffer substances and salt conditions. The w…

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Amicon® Pro Purification System

Merck

Introducing an all-in-one centrifugal device for the protein purification workflow.Traditional protein purification is a long process with many steps and multiple devices, often resulting in protein degradation and loss. Avoid the risks associated with sample transfer and reduce hands-on time when you bind, wash, elute and/or concentrate your protein in the all-in-one Amicon® Pro purification system. No matter what your workfl…

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PureEpi™ Chromatin Preparation and Optimization Kit

Merck

The PureEpi Chromatin Preparation and Optimization kit provides a complete set of reagents allowing the preparation of multiple chromatin samples from starting materials such as cultured cells or tissues. A detailed protocol is provided that includes examples of the many variables involved in making chromatin on multiple instruments and how they may affect ChIP results. Features & Benefits • Complete set of materials for up to…

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cOmplete His-Tag Purification Column

cOmplete His-Tag Purification Column - Prepacked columns with EDTA-compatible resin for the purification of poly-histidine-tagged proteins. cOmplete His-Tag Purification Columns are available in 2 different sizes and prepacked with cOmplete His-Tag Purification Resin. cOmplete His-Tag Purification Resin is an innovative high-capacity IMAC matrix (Immobilized Metal Affinity Chromatography) for convenient single-step purificati…

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