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Control antibodies

Elevate your experimental performance and qualify protein expression with control antibodies

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Anti-GFP nanobody immunofluorescence

Anti-GFP Nanobody

Recombinantly developed from alpaca. Validated for IF and ELISA ELISA & IF research applications.

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covid-19 antibodies

CORONAVIRUS RESEARCH

KITS, ANTIBODIES & PROTEINS

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ELISA kits

ELISA Kits

Explore over 2000 highly sensitive and specific kits

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Extensive Product Range

60,000+ antibodies, 7,000+ kits & 1,000+ proteins for your in-vitro research needs.

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Established in 2012, trusted by hundreds of academic and biotech institutions worldwide.

Trial Size Antibodies

Over 10,000 sample antibodies available to trial before committing to a full-size order.

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Directly sourced and competitively priced so your research budget goes further, every time.

Range of Products
Goat polyclonal antibodies
Goat polyclonal antibodies
Novel coronavirus antibodies, proteins and kits
Novel coronavirus antibodies, proteins and kits
Rabbit monoclonal antibodies
Rabbit monoclonal antibodies
ELISA kits
ELISA kits
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What researchers say
★★★★★

"Good band and very specific - no other bands visible."

Ben M. University of Heidelberg
★★★★★

"Only a small amount was required, and binds with good specificity and relatively good visibility as well as a low background."

Elizabeth B. University of Portsmouth
★★★★★

"The antibody works well and nicely detects mScarlet on Western blots and in tissue stainings."

Heiko H. University of Osnabruck
Trusted by researchers worldwide

Recent Citations

St John's Laboratory antibodies cited in leading peer-reviewed journals.

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2025 Nature
TCF1 and LEF1 promote B-1a cell homeostasis and regulatory function.
PubMed: 40836098 IF: 23.947
Product: STJ140269 Application: IHC
2025 Nat Commun
RBM39 degrader invigorates innate immunity to eradicate neuroblastoma despite cancer cell plasticity.
PubMed: 40962798 IF: 17.794
Product: STJ194383 Application: WB
2026 EMBO Rep
Liver sinusoidal endothelial cells constitute a major route for hemoglobin clearance.
PubMed: 41495467 IF: 5.904
Product: STJ192359 Application: FC/FACS
2025 Mol Cell
Interaction with AK2A links AIFM1 to cellular energy metabolism.
PubMed: 40578348 IF: 16.403
Product: STJ23214 Application: WB
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