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

Product Line | Qubit™ |
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Detection Method | Fluorescence |
Thermo Scientific™ 1-Step™ TMB ELISA Substrate Solutions
Thermo Scientific™ Pierce TMB ELISA Substrates detect horseradish peroxidase (HRP) activity, yielding a blue color (Amax = 370 nm and 652 nm) that changes to yellow (Amax = 450 nm) upon addition of a sulfuric or phosphoric acid stop solution.

Substrate Properties | Chemical Substrate |
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Product Type | ELISA Substrate |
Substrate Type | HRP (Horseradish Peroxidase) |
Detection Method | Colorimetric |
Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Biotin
Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Biotin is an intermediate-length, water-soluble biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines.

Cell Permeability | Cell-Impermeant |
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Product Type | Sulfo-NHS-LC-Biotin |
Spacer | Mid-length |
Label or Dye | Biotin |
Solubility | DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water |
Chemical Reactivity | Amine |
Product Line | EZ-Link™ |
Thermo Scientific™ Pierce™ High Sensitivity Streptavidin-HRP
Amplify signal in Western blot, ELISA or other biotin-based detection methods with this exclusive, high signal-to-noise, peroxidase-conjugated, ready-to-use streptavidin.

Content And Storage | Storage at 4°C for at least one year. |
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Conjugate | HRP |
Target Molecule | Biotin |
Concentration | 1.0–1.1 mg/mL |
Product Line | Pierce™ |
Invitrogen™ ELISA Stop Solution
A ready-to-use solution intended for use as a stop solution in ELISA applications that use horseradish peroxidase and TMB substrate solution.

Shipping Condition | Ambient |
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Content And Storage | Store at 2°C to 8°C |
Form | Liquid |
Product Type | ELISA Stop Solution |
Substrate Type | HRP, TMB |
Thermo Scientific™ Sulfo-NHS (N-hydroxysulfosuccinimide), No-Weigh™ Format
Prepare amine-reactive sulfo-NHS-ester crosslinkers or enhance carbodiimide (EDC) conjugation for peptides or proteins using N-hydroxysulfosuccinimide, CAS 106627-54-7.

Molecular Weight (g/mol) | 217.13 |
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Solubility | Water |
PEGylated | No |
Invitrogen™ Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)
Alexa Fluor™ 647 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.

Emission | 672 nm |
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Excitation | 651 nm |
Thermo Scientific™ Pierce™ 660nm Protein Assay Reagent
Red-to-green (A660nm), ready-to-use, detergent- and reducing agent-compatible assay reagent to measure total protein concentration vs. protein standard.

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.

Workflow Step | Protein Digestion |
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For Use With (Equipment) | Mass Spectrometer |
Grade | MS |
Detection Method | Mass Spectrometry |
Product Line | Pierce™ |
Molecular Probes™ Streptavidin, horseradish peroxidase conjugate
The streptavidin, horseradish peroxidase (HRP) conjugate can be used to detect biotin in a signal amplification scheme in conjunction with chromogenic substrates or fluorogenic HRP substrates.

Thermo Scientific™ Pierce™ Immobilized TCEP Disulfide Reducing Gel
Efficiently reduce protein or peptide disulfide bonds with this stable, odorless, beaded agarose resin on which Tris (2-carboxyethyl) phosphine is immobilized.

Gibco™ ExpiSf™ CD Medium
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This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
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Gibco™ ExpiSf™ CD Medium is chemically defined, yeastolate-free, serum-free, protein-free, animal origin-free medium specifically designed for high-density growth, transfection, and baculovirus infection of suspension-adapted Sf9 (Spodoptera frugiperda) insect cells.

Shipping Condition | Room Temperature |
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Format | Liquid |
Compatible Cells | Insect Cells |
Classification | Animal Origin-Free, Chemically Defined, Protein-Free, Serum-Free |
Product Line | ExpiSf™ |
Invitrogen™ ELISA TMB Stabilized Chromogen
For use with all sandwich ELISAs which utilize Horseradish Peroxidase (HRP) as detecting enzyme

Thermo Scientific™ TurboFect™ Transfection Reagent
Deliver DNA plasmids and expression vectors into eukaryotic cells with this highly efficient, easy-to-use, non-immunogenic transfection reagent.

Type | Transfection Reagent |
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