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Protein Analysis Reagents

A wide variety of products for use in the study of proteins. Includes protein samples, extraction and purification products, protein modifiers, assays, dialysis supplies, gene reporter systems, cDNA, competent cells, immunohistochemistry supplies, etc.
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1 – 15 of 39,826 results
1
Promotions Available

Thermo Scientific™ Pierce™ BCA Protein Assay Kits

The Pierce BCA Protein Assay Kit is a high-precision, detergent-compatible protein assay for determination of protein concentration. Pierce BCA reagents provide accurate determination of protein concentration with most sample types encountered in protein research.

Assay BCA Assay
For Use With (Equipment) Spectrophotometer, Microplate Reader
Product Type Protein Quantitation Assay
For Use With (Application) Solution-based Detection, Absorbance
Product Line Pierce
Detection Method Colorimetric
2
Promotions Available

Thermo Scientific™ Zeba™ Spin Desalting Columns, Plates, and Cartridges, 7K MWCO, 0.5–100 mL

Perform high-throughput protein recovery (7K MWCO) and sample desalting for mass spectrometry, HPLC, capillary electrophoresis, metabolite screening, and assay development with ready-to-use Thermo Scientific Pierce Zeba desalting chromatography columns, plates, and cartridges.

EDGE
MWCO 7.0 kDa
Column Type Size-exclusion, Proprietary Resin
Purification Target Buffer Exchange, Protein
Product Line Zeba
3
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Invitrogen™ Dynabeads™ Protein G for Immunoprecipitation

Dynabeads Protein G beads are uniform, 2.8-μm superparamagnetic beads with recombinant Protein G (∼17 kDa) covalently coupled to the surface.

EDGE
Shipping Condition Ambient temperature
Content And Storage Dynabeads Protein G are supplied in PBS, pH 7.4 w/0.01% Tween-20, 0.09% NaN3 Store at 2–8°C.
Purity or Quality Grade For Research Use Only
Description Recombinant Protein G covalently bound to Dynabeads
Surface Functionality Protein G
Material Polystyrene
Concentration 30 mg/mL
For Use With (Application) Immunoprecipitation
High-throughput Compatibility High-throughput Compatible
Ligand Type Protein G
Type Superparamagnetic Beads
Target Antibodies
Format Beads in suspension
For Use With (Equipment) KingFisher™ Sample Purification System, DynaMag™ magnets
Diameter (Metric) 2.8 μm
Certifications/Compliance ISO9001 and ISO13485
Uniformity Monosized 2.8 mm (CV <5%)
Product Line Dynabeads
4
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Thermo Scientific™ Lysozyme

Degrade unwanted bacterial cell wall in protein or nucleic acid extracts

EDGE
5

Cytiva™ Disposable PD-10 Desalting Columns

Use for desalting and buffer exchange, as well as removal of low-molecular weight compounds. Cytiva Life Sciences™ Disposable PD-10 Desalting Columns provide fast, high-recovery.

EDGE
6
Promotions Available

Thermo Scientific™ Pierce™ EDC, No-Weigh™ Format

Immobilize or conjugate proteins using 1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide (CAS 25952-53-8), a water-soluble, carboxyl-to-amine crosslinker.

EDGE
Shipping Condition Wet Ice
Content And Storage Upon receipt store desiccated at -20°C.
Description EDC
Cleavable No
Water Soluble Yes
Form Powder
Molecular Weight (g/mol) 191.7
Solubility Water
Labeling Method Chemical Labeling
Crosslinker Type Heterobifunctional
Chemical Reactivity Amine-Carboxyl
Cell Permeability No
Format Standard, Single-use, Premium-grade
Product Type Crosslinker
Spacer Short (<10 Å)
Reactive Moiety Carbodiimide
Spacer Arm Length 0.0 Å
PEGylated No
7
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Thermo Scientific™ Slide-A-Lyzer™ G3 Dialysis Cassettes, 10K MWCO
GREENER_CHOICE

Thermo Scientific Slide-A-Lyzer™ G3 Dialysis Cassettes facilitate the rapid and trouble-free dialysis of sample volumes from 0.5 to 125 mL. Unlike standard flat tubing, these innovative devices do not require knots or clips that can lead to leaking and sample loss.

EDGE
MWCO 10 kDa
Format Cassette
Membrane Cellulose Membrane, Dialysis
Purification Target Buffer Exchange, Protein
Product Line Slide-A-Lyzer
8
Promotions Available

Thermo Scientific™ Halt™ Protease Inhibitor Cocktail (100X)

Inhibit proteolytic degradation during cell lysis and protein extraction with these ready-to-use concentrated stock solutions of protease inhibitors.

EDGE
Buffer Lysis Buffer
Content And Storage Upon receipt store at 4°C
Inhibitors Protease Inhibitor
Form Liquid
Product Type Protease Inhibitor Cocktail
Reagent Type Protease Inhibitor
Product Line Halt
9

Invitrogen™ Alexa Fluor™ 488 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 488 is a bright, green-fluorescent dye with excitation ideally suited for the 488 nm laser line.

EDGE
Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Dye
Label or Dye Alexa Fluor™ 488
Emission 517 nm
Excitation 494 nm
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor
10

Invitrogen™ Qubit™ Protein and Protein Broad Range (BR) Assay Kits
GREENER_CHOICE

Achieve sensitive detection of protein, and low protein-to-protein variation, with the Qubit Protein and Protein BR Assay Kits for fluorescence-based protein quantitation assays.

EDGE
Product Line Qubit
Detection Method Fluorescence
11
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Invitrogen™ Dynabeads™ M-270 Epoxy

Dynabeads™ M-270 Epoxy beads are 2.8 μm superparamagnetic beads containing surface epoxy groups.

EDGE
Shipping Condition Room Temperature
Type Epoxy Bead
Purity or Quality Grade Research Grade
Format Freeze Dried
Surface Functionality Epoxy
Sample Type Any Sample Type
Diameter (Metric) 2.8 μm
Shelf Life 24 months from date of manufacture
Elution Volume Min 5 μL
Product Line DYNAL, Dynabeads
12
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Thermo Scientific™ Mass Spectrometry Grade Proteases

Improve sequence coverage and protein identification for mass spectrometry with high-quality, MS-grade proteases provided in stable liquid or lyophilized formats. Suitable for either in-solution or in-gel digestion workflows, each protease may be used individually or in combination to improve protein sequence coverage.

EDGE
Workflow Step Protein Digestion
For Use With (Equipment) Mass Spectrometer
Grade MS
Detection Method Mass Spectrometry
Product Line Pierce
13
Promotions Available

Thermo Scientific™ Pierce™ Premium Grade DSP (dithiobis(succinimidyl propionate))

Optimize applications where product integrity and risk minimization are paramount with our highest quality formulation of this popular amine-reactive, cleavable crosslinker.

EDGE
Shipping Condition Ambient
Content And Storage Upon receipt store desiccated at 4°C.
Cleavable By Thiols
Water Soluble No
Form Powder
Molecular Weight (g/mol) 404.42
Solubility DMF, DMSO
Labeling Method Chemical Labeling
Crosslinker Type Homobifunctional
Chemical Reactivity Amine-Amine
Cell Permeability Yes
Format Standard, Single-use, Premium-grade
Product Type Crosslinker
Spacer Medium (10 to 30 Å)
Formulation Dithiobis(succinimidylpropionate); powder solid
Reactive Moiety NHS Ester
Spacer Arm Length 12.0 Å
Product Line Pierce
PEGylated No
14
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Invitrogen™ Dynabeads™ Protein A for Immunoprecipitation

Dynabeads Protein A beads are uniform, 2.8-μm superparamagnetic beads with recombinant Protein A (∼45 kDa) covalently coupled to the surface.

EDGE
Shipping Condition Ambient temperature
Content And Storage Dynabeads Protein A are supplied in PBS, pH 7.4 w/0.01% Tween-20, 0.09% NaN3 Store at 2–8°C.
Purity or Quality Grade For Research Use Only
Description Recombinant Protein A covalently bound to Dynabeads
Surface Functionality Protein A
Material Polystyrene
Concentration 30 mg/mL
For Use With (Application) Immunoprecipitation
High-throughput Compatibility High-throughput Compatible
Ligand Type Protein A
Type Superparamagnetic Beads
Target Antibodies
Format Beads in suspension
For Use With (Equipment) KingFisher™ Sample Purification System, DynaMag™ magnets
Diameter (Metric) 2.8 μm
Certifications/Compliance ISO9001 and ISO13485
Uniformity Monosized 2.8 mm (CV <5%)
Product Line Dynabeads
15
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Thermo Scientific™ DH5α Competent Cells

Chemically competent E. coli cells recommended for routine subcloning into plasmid vectors. Subcloning efficiency cells are not suitable for the generation of cDNA libraries.

EDGE