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Our L-Arginine ELISA kit recently cited in
Annals of Oncology!
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Quantify L-Lysine by a simple method as ELISA
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Interested in Neurotransmitter imaging ?

Try our validated antibodies

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We develop antibodies and immunoassays

capable of detecting amino acids, saccharides, neurotransmitters and neuromediators, lipids, toxins… and drugs!

Through our range of ELISA kits and immunoglobulins, Immusmol open the way of low molecular weight entities for new set of possibilities in research, diagnostic and therapy.


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Kynurenine/Kynurenic Acid/Quinolinic Acid ELISA pack (3-KYNs ELISA pack)


Sample: 25-50µL
LoD: KYN: 47.5ng/ml / KYNA: 0.53ng/ml / QA: 6ng/ml
Standard range: KYN: 100 – 10000ng/ml / KYNA: 1.40 – 74ng/ml / QA: 25 – 2000ng/ml


Epinephrine – Norepinephrine ELISA kit – Any sample


Sample: 1 – 750µl
LoD: Epinephrine: 6.6pg/ml / Norepinephrine: 2.6pg/ml
Standard range: Epinephrine: 0/0.5 – 80ng/ml / Norepinephrine: 0/0.2 – 32ng/ml


STAINperfect™ – Trial pack


Choose 2 primary antibodies to be included in your pack



View all new products

Kynureninic Acid/Quinolinic Acid ELISA pack


Sample: 25-50µL
LoD: KYNA: 0.53ng/ml QA: 6ng/ml
Standard range: KYNA: 1.40 – 74ng/ml / QA: 25 – 200ng/ml


L-Serine ELISA kit


Sample: 20µl
LoD: 2.4µM
Standard range: 3.8 – 625µM


L-Lysine ELISA kit


Sample: 20µl
LoD: 13µM  (2.4µg/mL)
Standard range: 16 – 650µM  (3 – 118µg/mL)


L-Asparagine ELISA kit


Sample: 20µl
LoD: 2.3µM (0.30µg/mL)
Standard range: 4.4 – 375µM (0.6 – 49.5µg/mL)


Our catalog of small molecule antibodies & ELISA kits

Our catalog only features validated small molecule antibodies & ELISA kits. Selected for their specificity and affinity by ELISA, our antibodies enable rapid & robust detection and/or quantification of small molecules in various types of biological materials, including cells and lysates, tissues and homogenates, culture supernatants, plasma and serum samples.

Immusmol's News

May 2023

Assessing Arginase activity through an easy-to-use immuno-assay now possible!

L-Arginine is a key amino acid in the immune regulation and can be targeted as part of an anti-tumor response. We have thus developed and validated an ELISA kit for the detection and quatification of L-Arginine in biological samples.

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Feb 2023

Grab it – Our Kynurenine pathway ELISA kits on sale!

Among mechanisms associated with cancer immune evasion, the activation of the Kynurenine Pathway (KP) is known to play a key role and has thus been proposed as a therapeutic target to improve current immune checkpoint blockade-based immunotherapies.

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Dec 2022

Winter news – 2023 is in sight!

2023 is near, but there’s still time to check out our best highlights of the second half of 2022! Stay connected, great things are coming next year!

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Dec 2022

Quantification of L-Arginine in various samples made simple!

L-Arginine is a key amino acid in the immune regulation and can be targeted as part of an anti-tumor response. We have thus developed and validated an ELISA kit for the detection and quatification of L-Arginine in biological samples.

Read more
Nov 2022

HURRY! Happening now: 50% off on every 2nd ELISA or Antibody

Don’t miss this offer! Take a tour of our product webpage to select your favorites and benefit from this season’s offer to try them!

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Oct 2022

Antibodies to neurotransmitters as tools to evaluate the transmission network/function by immunofluorescence

Glutamate (Glu) and gamma-aminobutyric acid (GABA) are the major neurotransmitters (NTs) in the brain and work together through balanced interactions to control many processes. Imbalanced interactions can cause diseases, that impair intracellular contents of Glu and GABA as well as their anatomical and functional network.

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Sep 2022

L-Histidine, a newcomer to our ELISA kits portfolio!

We developed and validated a new L-Histidine ELISA kit (#IS-I-1300R) which allows for L-His quantitation in plasma samples. The assay requires a low sample volume of 10μL and is characterized by a 1.4µM sensitivity.

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Sep 2022

Plasma L-Arginine levels assessed by ELISA predict response of cancer patients to immune checkpoint blockers

New highlight in Annals of Oncology!
In this study, Peyraud at al. show that plasmatic level of L-Arginine (Arg) is associated with clinical outcome of patients treated with immune checkpoint blockers (ICB). Using an ELISA approach for Arg quantification (#IS-I-0400R) applied on two independent cohorts, authors demonstrated that low plasmatic level of Arg was associated with a worse clinical outcome.  

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Antibodies & immunoassays for small molecules

Founded in 2012 by Alban Bessede, PhD - Immunologist, Immusmol aims to become a natural choice for small molecule antibodies development. Supported by public institutions including BPI, Conseil Régional Nouvelle Aquitaine, as well as by its Co-founder Associate - SCHIEVER, Immusmol is established in Bordeaux, France.

Learn more about us