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Bio-Techne offers over 500,000 proteins, antibodies, small molecules, ELISA kits, and more through the R&D Systems™, Novus Biologicals™, and Tocris Bioscience™ brands.

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Recombinant and Natural Bioactive Proteins

R&D Systems proteins undergo meticulous testing to ensure bioactivity, high purity, lot-to-lot consistency, and low endotoxin levels. Discover the comprehensive portfolio built over 45+ years.

Recombinant Proteins Animal-Free Recombinant Proteins Avi-Tag and Amine Biotinylated Proteins
Recombinant and Natural Bioactive Proteins

Antibodies

Explore a comprehensive range of thoroughly validated primary, secondary, and conjugated antibodies, spanning over 100 species and 70 applications from R&D Systems and Novus Biologicals.

IHC Validated Antibodies for Spatial Biology Simple Western Validated Antibodies Flow Cytometry Validated Antibodies
Antibodies

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Help ensure accuracy, sensitivity, and specificity with the most referenced ELISA Kits. Explore R&D Systems Quantikine™, QuicKit, and DuoSet™ ELISA kits and reagents.

ELISA Kits ELISA Development Reagents
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Discover a wide range of Tocris small molecule research tools aligned with current and emerging research trends.

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Browse media, extracellular matrices, supplements, and more essential products for reproducible, robust cells.

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Cell Culture

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Trusted for Consistency and Specificity

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Learn how R&D Systems Luminex assays are designed to maximize multiplexing capacity and flexibility while maintaining assay specificity.

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1 – 15 of 48,598 results
1

Tocris Bioscience™ sBADA

Green fluorescent D-amino acid for labeling peptidoglycans in bacteria

EDGE
2

R&D Systems™ Mouse GM-CSF Quantikine ELISA Kit

Mouse GM-CSF Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

EDGE
Target Species Mouse
Conjugate HRP
Gene ID (Entrez) 12981
Sample Type Cell Culture Supernatant,Serum
Sample Volume Cell Culture Supernates (50uL),Serum (50uL)
Synonym colony stimulating factor 2 (granulocyte-macrophage), Colony-stimulating factor, CSF, CSF2, CSF-2, GMCSF, GM-CSF, GMCSFgranulocyte-macrophage colony-stimulating factor, granulocyte-macrophage colony stimulating factor, MGC131935, MGC138897, Molgramostim, molgramostin, sargramostim
Assay Sensitivity 5.8pg/mL
Assay Range 7.80 - 500pg/mL
For Use With (Application) ELISA
Cross Reactivity <50% cross-species reactivity observed with species tested. <0.5% cross-reactivity observed with available related molecules
3

R&D Systems™ Mouse/Rat IGF-I/IGF-1 Quantikine ELISA Kit
GSA_VA

Mouse/Rat IGF-I/IGF-1 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

EDGE
4

R&D Systems™ DuoSet ELISA Ancillary Reagent Kit 2

Product Type Solid Phase Sandwich ELISA
Storage Requirements Store the unopened product at 2°C to 8°C. Do not use past expiration date.
For Use With (Application) ELISA
5

R&D Systems™ Stop Solution 2N Sulfuric Acid
GSA_VA

For stopping the action of HRP on the substrate, tetramethylbenzidine

6

R&D Systems™ Recombinant Human EGF Protein
GSA_VA

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. (Observed): 6 kDa, reducing conditions; M.W. (theoretical): 6 kDa
Gene Symbol EGF
Endotoxin Concentration <0.10 EU / 1 μg of the protein by the LAL method.
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
For Use With (Application) Bioactivity
Protein EGF
Source E. coli-derived human EGF protein Asn971-Arg1023, with an N-terminal Met
Name EGF
Accession Number P01133
Gene ID (Entrez) 1950
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 500 μg/mL in sterile PBS.
Recombinant Recombinant
7

R&D Systems™ Polystyrene Microplates
GSA_VA

high-binding, flat-bottom polystyrene microplates

Array 8 x 12
No. of Wells 96
Format Standard
Material Polystyrene
For Use With (Application) ELISA
Well Shape Flat Bottom (F-well)
8

R&D Systems™ Recombinant Human TGF-beta 1 (Human Cell-expressed) Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Purity or Quality Grade 95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Gene Alias CEDLAP, DPD1, latency-associated peptide, TGF beta1, TGFB, TGFB1, TGFbeta, TGFbeta 1, TGF-beta 1 protein, TGF-beta-1, transforming growth factor beta-1, transforming growth factor, beta 1
Molecular Weight (g/mol) 12.8 kDa (monomer)
Gene ID (Entrez) 7040
Structural Form Disulfide-linked homodimer
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source Human embryonic kidney cell,HEK293-derived human TGF-beta 1 protein Ala279-Ser390
Recombinant Recombinant
Name TGF-beta 1
9

R&D Systems™ Reagent Diluent Concentrate 2
GSA_VA

10X Concentrated 10% BSA Solution for DuoSets

10

R&D Systems™ Quantikine ELISA Wash Buffer 1

Quantikine ELISA Wash Buffer 1 from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

11

R&D Systems™ Recombinant Mouse IL-6 Protein
GSA_VA

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

12

Tocris Bioscience™ CGRP (rat)
GREENER_CHOICE

Potent vasodilator

13

R&D Systems™ Recombinant Mouse TGF-beta 1 Protein
GSA_VA

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Purity or Quality Grade >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Gene Alias CEDLAP, DPD1, latency-associated peptide, TGF beta1, TGFB, TGFB1, TGFbeta, TGFbeta 1, TGF-beta 1 protein, TGF-beta-1, transforming growth factor beta-1, transforming growth factor, beta 1
Molecular Weight (g/mol) 12.8 kDa (monomer)
Gene ID (Entrez) 21803
Quantity 5 μg
Structural Form Disulfide-linked homodimer
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source Chinese Hamster Ovary cell line,CHO-derived mouse TGF-beta 1 protein Ala279-Ser390
Recombinant Recombinant
Name TGF-beta 1
14

R&D Systems™ Human IL-12 p70 Quantikine ELISA Kit
GSA_VA

Human IL-12 p70 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Specificity Natural and Recombinant Human IL-12p70
Target Species Human
Conjugate HRP
Product Type Solid Phase Sandwich ELISA
Gene ID (Entrez) 3592
Sample Type Cell Culture Supernatant,Plasma (EDTA, Citrate, Heparin),Serum,Urine
Sample Volume Cell Culture Supernates (200uL),Serum (200uL),EDTA Plasma (200uL),Heparin Plasma (200uL),Citrate Plasma (200uL),Urine (200uL)
Synonym CLMF p35, Cytotoxic lymphocyte maturation factor 35 kDa subunit, IL12 p70, IL-12 subunit p35, IL-12, subunit p35, interleukin 12, p35, interleukin 12 A (natural killer cell stimulatory factor 1, cytotoxic lymphocytematuration factor 1, p35), interleukin-12 alpha chain, interleukin-12 subunit alpha, natural killer cell stimulatory factor 1, 35 kD subunit, NF cell stimulatory factor chain 1, NK cell stimulatory factor chain 1, NKSF1, p35
Assay Sensitivity 5pg/mL
Storage Requirements Store the unopened product at 2° to 8°C. Do not use past expiration date.
Assay Range 7.80 - 500pg/mL
For Use With (Application) ELISA
Cross Reactivity <50% cross-species reactivity observed with species tested. <0.5% cross-reactivity observed with available related molecules
15

R&D Systems™ Recombinant Human IGF-I/IGF-1 Protein
GSA_VA

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Molecular Weight (g/mol) 7.6 kDa
Gene ID (Entrez) 3479
Formulation Lyophilized from a 0.2μm filtered solution in PBS.
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source E. coli-derived human IGF-I/IGF-1 protein Gly49-Ala118
Recombinant Recombinant
Name IGF-I/IGF-1

Resources

ELISA Comparison Data Sheet

Get help with selecting the ELISA format that best meets your analysis or biodiscovery needs.
Filename
elisa-comparison-data-sheet.pdf
Size
313 KB
Format
application/pdf

Bio-Techne R&D Systems Quantikine QuicKit ELISA Data Sheet

Learn how Bio-Techne R&D Systems Quantikine QuicKit ELISAs can increase efficiency in your lab.
Filename
bio-techne-rd-systems-quantikine-quickit-elisa-data-sheet.pdf
Size
274 KB
Format
application/pdf

Bio-Techne R&D Systems DuoSet ELISA Data Sheet

Discover how Bio-Techne R&D Systems DuoSet ELISA Development Systems can be customized to your needs.
Filename
bio-techne-rd-systems-duoset-elisa-data-sheet.pdf
Size
446 KB
Format
application/pdf

Bio-Techne Proteome Profiler Antibody Arrays Brochure

Conduct simple and powerful analysis with Bio-Techne Proteome antibody arrays.
Filename
bio-techne-proteome-profiler-antibody-arrays-brochure.pdf
Size
1 MB
Format
application/pdf

Bio-Techne Organoid Qualified Cultrex Extract Data Sheet

Learn more about the features and benefits of Bio-Techne Cultrex Basement Membrane Extracts.
Filename
bio-techne-organoid-qualified-cultrex-extract-data-sheet.pdf
Size
2 MB
Format
application/pdf

Bio-Techne N21-MAX Supplements Data Sheet

Discover an alternative to standard B27 supplements that are optimized for reliable maturation.
Filename
bio-techne-n21-max-supplements-data-sheet.pdf
Size
1 MB
Format
application/pdf

Bio-Techne Cultrex Extracellular Matrix and Proteins Data Sheet

Compare Bio-Techne Cultrex basic membrane extracts and extracellular matrix proteins to select the right products for your research needs.
Filename
bio-techne-cultrex-extracellular-matrix-and-proteins-data-sheet.pdf
Size
868 KB
Format
application/pdf

Bio-Techne Cell Culture Data Sheet

Explore the benefits of reliable Bio-Techne reagents, proteins, supplements, and more.
Filename
bio-techne-cell-culture-data-sheet.pdf
Size
337 KB
Format
application/pdf

Bio-Techne Antibodies Data Sheet

See how Bio-Techne antibodies can enable your progress from benchtop research to clinical applications.
Filename
bio-techne-antibodies-data-sheet.pdf
Size
1000 KB
Format
application/pdf

Luminex Portfolio Brochure

Learn how R&D Systems Luminex assays are designed to maximize multiplexing capacity and flexibility while maintaining assay specificity.
Filename
luminex-portfolio-brochure-v2.pdf
Size
3 MB
Format
application/pdf

Bio-Techne Recombinant Proteins Catalog

Tailor the right protein solution to your research by choosing from the wide range of Bio-Techne recombinant proteins.
Filename
bio-techne-recombinant-proteins-catalog.pdf
Size
3 MB
Format
application/pdf

R&D Systems

R&D Systems, part of Bio-Techne, offers an extensive catalog of over 500,000 proteins, antibodies, small molecules, ELISA kits, cell culture reagents, and more. Its branded portfolio includes R&D Systems, Novus Biologicals, and Tocris Bioscience brands.

Bio-Techne is a global developer, manufacturer, and supplier of premium reagents, analytical instruments, and precision diagnostics. Whether you’re at the cutting edge of academic research, translating basic discoveries to therapeutic leads, or at a facility that requires the highest level of diagnostic testing, Bio-Techne’s award-winning tools and solutions empower scientists and clinicians to achieve reproducible and consistent results. Trusting Bio-Techne means choosing confidence that every solution you use will help move you toward better answers.