Grow Your Discovery


Science and savings - perfectly paired for your lab
Expand your research with exclusive offers* designed to fuel your next breakthrough. With over 13,000 products to support your experiments, find solutions that inspire innovation and help grow your discovery.
Use promo code 24107 to access the promotional prices until 28 March 2025.*
Find your products in the categories below.
No Matching Category
We couldn't find the category you're searching for.
- Cellomics
- Diagnostics
- Genomics
- Life Science Instruments
- Microbiology
- Proteomics
Life Science and Clinical Research
- Centrifugation
- Cold Storage
- Electrochemistry
- Evaporators
- Microscopes and Accessories
- Shakers and Accessories
Equipment and Instruments
- Lab Supplies
Lab Consumables
- Laboratory Mixing and Heating Equipment
Lab Appliances

Gibco™ Dynabeads™ Human T-Activator CD3/CD28 for T Cell Expansion and Activation
Dynabeads Human T-Activator CD3/CD28 beads are 4.5-μm superparamagnetic beads covalently coupled with an optimized combination of anti-human CD3 and anti-human CD28 antibodies and intended for ex vivo activation and expansion/proliferation of human T cells.

Shipping Condition | Ambient Temperature |
---|---|
Clonality | Monoclonal |
Target Species | Human T-cells |
Host Species | Mouse |
Surface Functionality | Epoxy |
Isolation Technology | Magnetic Beads |
Material | Magnetic Polystyrene |
Concentration | 4 x 10 7 Beads/mL |
For Use With (Application) | Activation and Expansion of T-cells |
Regulatory Status | For Research Use Only |
Reactivity | Human |
For Use With (Equipment) | DynaMag™ Magnet |
Product Type | Antibody Coated Bead |
Diameter (Metric) | 4.5 μm |
Shelf Life | 24 months from date of manufacture |
Certifications/Compliance | ISO9001 and ISO13485 |
Uniformity | Monosized 4.5 μm (CV <5%) |
Product Line | DynaBeads™ |
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.

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™ |
Thermo Scientific™ DTT (dithiothreitol)
Stabilize enzymes and other proteins which possess free sulfhydryl groups with DTT, shown to restore activity lost by oxidation of these groups in vitro.

Product Type | DTT (Dithiothreitol) |
---|---|
Concentration | 0.1 M |
Thermo Scientific™ Pierce™ BCA Protein Assay Reagent A
Estimate visually, or measure with a standard spectrophotometer or plate reader at 562 nm.

Assay | BCA Assay |
---|---|
Specificity | Not Target-Specific |
Content And Storage | Store at room temperature. |
Description | Pierce BCA Protein Assay Reagent A |
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 |
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.

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™ |
Thermo Scientific™ SuperSignal™ West Pico PLUS Chemiluminescent Substrate
Thermo Scientific SuperSignal West Pico PLUS Chemiluminescent Substrate is an enhanced chemiluminescent (ECL) horseradish peroxidase (HRP) substrate that enables picogram to high femtogram-level protein detection by western blot analysis.

Shipping Condition | Room Temperature |
---|---|
Substrate | Horseradish Peroxidase |
Recommended Antibody Concentrations | 2°: 1:20-100 K (10-50 ng/mL), 1°: 1:1 K (0.2-1 μg/mL) |
Conjugate | HRP |
Form | Liquid |
Product Type | Substrate |
Signal Duration | 6 to 24 hr. |
For Use With (Application) | Western Blot |
Product Line | SuperSignal™ |
Detection Method | Chemiluminescence |
Thermo Scientific™ SuperSignal™ West Femto Maximum Sensitivity Substrate
Ultra-sensitive enhanced chemiluminescent (ECL) HRP substrate for low-femtogram-level detection by Western blot analysis.

Substrate | Horseradish Peroxidase |
---|---|
Form | Liquid |
Product Type | Substrate |
Signal Duration | 6 to 8 hr. |
Product Line | SuperSignal™ |
Detection Method | Chemiluminescence |
Thermo Scientific™ Pierce™ Bovine Serum Albumin Standard, 2 mg/mL
High-quality, calibrated BSA solutions (2mg/mL) to serially dilute to create protein assay standard curves to accurately measure protein concentration.

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 |
---|---|
Excitation | 651 nm |
Thermo Scientific™ Slide-A-Lyzer™ G3 Dialysis Cassettes, 3.5K MWCO
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
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.

MWCO | 3.5 kDa |
---|---|
Format | Cassette |
Membrane | Cellulose Membrane, Dialysis |
Green Features | Less waste |
Purification Target | Buffer Exchange, Protein |
Product Line | Slide-A-Lyzer™ |
Content And Storage | -20°C |
---|---|
Purity or Quality Grade | ≥ 98% by SDS-PAGE gel and HPLC analyses. |
Conjugate | Unconjugated |
Form | Lyophilized |
Common Name | IL-4 |
Molecular Weight (g/mol) | 15.1 kDa |
Gene Symbol | Il4 |
Endotoxin Concentration | <1 EU/ μg |
Sequence | MHKCDITLQE IIKTLNSLTE QKTLCTELTV TDIFAASKNT TEKETFCRAA TVLRQFYSHH EKDTRCLGAT AQQFHRHKQL IRFLKRLDRN LWGLAGLNSC PVKEANQSTL ENFLERLKTI MREKYSKCSS |
Expression System | E. coli |
For Use With (Application) | ELISA,Functional Assay,Western Blot |
Source | E. coli |
Name | Human IL-4 |
Accession Number | P05112 |
Regulatory Status | RUO |
Gene Alias | B cell growth factor 1; B_cell stimulatory factor 1; B-cell growth factor 1; B-cell IgG differentiation factor; B-cell stimulatory factor 1; BCGF1; BCGF-1; binetrakin; BSF1; BSF-1; cytokine; H-IL-4; IGG1 induction factor; IL2; IL4; Il-4; Il4e12; ILN; Interleukin; interleukin 4; interleukin 4 variant 2; interleukin 4 variant IL-4 delta2; interleukin 4 variant IL-4 delta3; interleukin 4 variant IL-4 int2A; interleukin 4 variant IL-4 int3A; interleukin 4 variant IL-4 int3B; Interleukin4; interleukin-4; interleukin-4 precursor; lymphocyte stimulatory factor 1; MGC79402; M-IL-4; Pitrakinra |
Biological Activity | The ED50 as determined by the dose-dependent stimulation of human TF-1 cells is ≤ 0.2 ng/ml, corresponding to a specific activity of ≥ 5 x 10^6 units/mg |
Gene ID (Entrez) | 3565 |
Formulation | protein with no preservative |
Recombinant | Recombinant |
Thermo Scientific™ SuperSignal™ West Dura Extended Duration Substrate
Luminol-based enhanced chemiluminescence (ECL) horseradish peroxidase (HRP) substrate ideal for quantitative western blotting with stable light output for mid-femtogram level detection for western blot analysis.

Substrate | Horseradish Peroxidase |
---|---|
Sensitivity | Mid-femtogram |
Form | Liquid |
Product Type | Substrate |
Signal Duration | 24 hr. |
Product Line | SuperSignal™ |
Detection Method | Chemiluminescence |
Invitrogen™ iBlot™ 2 Transfer Stacks, nitrocellulose, mini
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
iBlot 2 Transfer Stacks are used to transfer proteins using the iBlot 2 Gel Transfer Device. They are consumable stacks with an integrated nitrocellulose transfer membrane for dry blotting of proteins.

Pore Size | 0.2 μm |
---|---|
Content And Storage | Store at room temperature. |
Format | Transfer Stack |
Dimensions (LxW) | 8 x 8 cm |
Green Features | Less waste, responsibly packaged, extended life |
Material | Nitrocellulose |
Product Line | iBlot |
Thermo Scientific™ Orange DNA Loading Dye (6X)
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Prepare DNA markers and samples for loading on agarose or polyacrylamide gels with Thermo Scientific™ 6X Orange Loading Dye.

Thermo Scientific™ IPTG Solution, ready-to-use
Induce the expression of genes under the control of lac operon in cloning and protein expression procedures.

Terms and Conditions
*This promotion is open to customers in Austria, Belgium, Denmark, Finland, France, Germany, Ireland, Italy, Norway, Portugal, Spain, Sweden, Switzerland, The Netherlands, and the United Kingdom only. Offer is only valid for qualifying orders received by Thermo Fisher Scientific between 14 February and 28 March 2025 23:59 CEST or until promo supplies are depleted, whichever comes first. For a list of qualifying products, refer to this page. Offer limited to qualifying products only. This promotion cannot be combined with other discounts or promotions. Offer void where prohibited, licensed or restricted by federal, state, provincial, or local laws or regulations, or by agency/institutional policy. Other restrictions may apply. MBD (Oxoid) items are not eligible in Ireland and outside of European countries.