Protein Biology

Invitrogen™ NuPAGE™ MES SDS Running Buffer (20X)

Invitrogen™ NuPAGE™ MES SDS Running Buffer (20X)

Made with high-purity reagents and are strictly quality controlled

Invitrogen™ NuPAGE™ LDS Sample Buffer (4X)

Invitrogen™ NuPAGE™ LDS Sample Buffer (4X)

Used to prepare protein samples for denaturing gel electrophoresis with NuPAGE™ Novex™ gels. Invitrogen™ Novex™ NuPAGE™ LDS Sample Buffer (4X) contains lithium dodecyl sulfate, pH 8.4, which allows for maximum activity of the reducing agent.

Invitrogen™ SimplyBlue™ SafeStain

Invitrogen™ SimplyBlue™ SafeStain

Less hazardous and does not require methanol or acetic acid fixatives or destains

Invitrogen™ NuPAGE™ Sample Reducing Agent (10X)

Invitrogen™ NuPAGE™ Sample Reducing Agent (10X)

Ready-to-use reagent to reduce protein samples for protein gel electrophoresis

Invitrogen™ NuPAGE™ MOPS SDS Running Buffer (20X)

Invitrogen™ NuPAGE™ MOPS SDS Running Buffer (20X)

Made with high-purity reagents and are strictly quality controlled.

Thermo Scientific™ Pierce™ GST Protein Interaction Pull-Down Kit

Thermo Scientific™ Pierce™ GST Protein Interaction Pull-Down Kit

Easily capture and affinity purify binding partners of GST-tagged fusion proteins with these glutathione (GSH) agarose beads and complete reagent set.

Thermo Scientific™ Pierce™ LTQ Velos ESI Positive Ion Calibration Solution

Thermo Scientific™ Pierce™ LTQ Velos ESI Positive Ion Calibration Solution

Calibrate LTQ Velos, LTQ Orbitrap and other mass spectrometers using a mixture of highly purified ionizable molecules designed for positive mode calibration.

Thermo Scientific™ 1-Step™ ABTS Substrate Solution

Thermo Scientific™ 1-Step™ ABTS Substrate Solution

Ready-to-use, water-soluble peroxidase substrate tablets that yield a measurable green end-product for use in ELISA methods.

Invitrogen™ Pertussis Toxin

Invitrogen™ Pertussis Toxin

Formulation: Protein expressed in E. coli. Purity: >95%. Format: Lyophilized.

Cytiva PD SpinTrap™ G-25 Desalting Columns

Cytiva PD SpinTrap™ G-25 Desalting Columns

Use for convenient and fast small-scale cleanup of proteins and other large biomolecules (>5000 Mr).  Cytiva Life Sciences™ PD SpinTrap™ G-25 Desalting Columns provide the option of running multiple samples in parallel.

Molecular Probes™ Qdot™ 655 ITK™ Carboxyl Quantum Dots

Molecular Probes™ Qdot™ 655 ITK™ Carboxyl Quantum Dots

Qdot™ 655 ITK™ Carboxyl Quantum Dots

Merck Immobilon™-FL PVDF Membranes

Merck Immobilon™-FL PVDF Membranes

Designed specifically for Western blots and protein sequencing. Immobilon™-FL PVDF Transfer Membranes are plain surfaced with 0.45 μm pores and have lower background fluorescence than other membranes. Available in 10 and 20 cm squares and a 3.75 m roll.

Cytiva Cy™3B Mono-reactive Maleimide Fluorescent Dyes

Cytiva Cy™3B Mono-reactive Maleimide Fluorescent Dyes

Combines exceptional photostability with bright and intense signals. Cytiva Cy3B Maleimides Mono-Reactive CyDye is a more selective method of antibody labeling that reduces the possibility of the label interfering with subsequent antibody-antigen reactions.

Spectrum™ Spectra/Por™ 1 RC Dialysis Membrane Tubing 6000 to 8000 Dalton MWCO

Spectrum™ Spectra/Por™ 1 RC Dialysis Membrane Tubing 6000 to 8000 Dalton MWCO

Ideal for molecular separation, protein binding studies, electrolyte removal, desalting

Thermo Scientific™ 1-Step™ Ultra TMB-ELISA Substrate Solution

Thermo Scientific™ 1-Step™ Ultra TMB-ELISA Substrate Solution

Horseradish peroxidase (HRP) substrates for ELISA that change from blue to yellow upon addition of a sulfuric or phosphoric acid stop solution.

Thermo Scientific™ Pierce™ Negative Ion Calibration Solution

Thermo Scientific™ Pierce™ Negative Ion Calibration Solution

Calibrate LTQ mass spectrometer instruments using a mixture of highly purified ionizable molecules designed for negative mode calibration.

Spectrum™ Spectra/Por™ 3 RC Dialysis Membrane Tubing 3500 Dalton MWCO

Spectrum™ Spectra/Por™ 3 RC Dialysis Membrane Tubing 3500 Dalton MWCO

Ideal for molecular separation, protein binding studies, electrolyte removal, desalting

Gibco™ Fibronectin Human Protein, Plasma

Gibco™ Fibronectin Human Protein, Plasma

Fibronectin Human Protein, Plasma

Invitrogen™ NuPAGE™ Antioxidant

Invitrogen™ NuPAGE™ Antioxidant

Proprietary reagent that maintains proteins in a reduced state during protein gel electrophoresis

Thermo Scientific™ HRP-Conjugated Streptavidin

Thermo Scientific™ HRP-Conjugated Streptavidin

Streptavidin from Streptomyces avidinii conjugated to highly purified horseradish peroxidase (HRP)

Thermo Scientific™ X-Gal

Thermo Scientific™ X-Gal

Effectively screen colonies with X-Gal, an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal, forming an intense blue precipitate.

Thermo Scientific™ SuperSignal™ West Femto Maximum Sensitivity Substrate

Thermo Scientific™ SuperSignal™ West Femto Maximum Sensitivity Substrate

Ultra-sensitive enhanced chemiluminescent (ECL) HRP substrate for low-femtogram-level detection by Western blot analysis.

Thermo Scientific™ Pierce™ Streptavidin

Thermo Scientific™ Pierce™ Streptavidin

Purified recombinant streptavidin enables detection of biotinylated antibodies and other probes in a variety of standard assay methods including western blotting, ELISA, immunohistochemistry, and fluorescence imaging.

Molecular Probes™ IANBD Amide (<i>N</i>,<i>N</i>'-Dimethyl-<i>N</i>-(Iodoacetyl)-<i>N</i>'-(7-Nitrobenz-2-Oxa-1,3-Diazol-4-yl)Ethylenediamine)

Molecular Probes™ IANBD Amide (N,N'-Dimethyl-N-(Iodoacetyl)-N'-(7-Nitrobenz-2-Oxa-1,3-Diazol-4-yl)Ethylenediamine)

IANBD Amide (N,N'-Dimethyl-N-(Iodoacetyl)-N'-(7-Nitrobenz-2-Oxa-1,3-Diazol-4-yl)Ethylenediamine)

Thermo Scientific™ Bond-Breaker™ TCEP Solution, Neutral pH

Thermo Scientific™ Bond-Breaker™ TCEP Solution, Neutral pH

Efficiently reduce protein disulfide bonds with this stable, odorless, 0.5M solution of TCEP reducing agent that is ideal for making reducing SDS-PAGE sample buffers.

Molecular Probes™ Alexa Fluor™ 647 Alkyne, Triethylammonium Salt

Molecular Probes™ Alexa Fluor™ 647 Alkyne, Triethylammonium Salt

Alexa Fluor™ 647 alkyne, triethylammonium salt

Thermo Scientific™ Slide-A-Lyzer™ MINI Dialysis Devices, 10K MWCO

Thermo Scientific™ Slide-A-Lyzer™ MINI Dialysis Devices, 10K MWCO

Perform sample buffer exchange with these 10,000-MW cut-off (MWCO) disposable polypropylene cups with integrated, low-binding membranes.

Thermo Scientific™ SILAC Protein Quantitation Kit (LysC), DMEM

Thermo Scientific™ SILAC Protein Quantitation Kit (LysC), DMEM

Analyze protein expression by mass spectrometry using these media or additives for stable isotope labeling with amino acids in cell culture (SILAC).

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