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Assessing the polyamine pathway

Assessing the polyamine pathway through immunoassays!
Serotonin Imaging
A newcomer to our antibodies portfolio for Serotonin imaging on FFPE samples
Assessing Arginase Activity
Assessing Arginase activity through an easy-to-use immunoassay now possible!
Our L-Arginine ELISA kit recently cited in
Annals of Oncology!
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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


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

Sep 2023

Assessing the polyamine pathway through immunoassays!

Given the importance of the polyamine pathway in cancer progression and resistance to treatment, investigating it requires robust tools. To this aim, we developed and validated the first ELISA kits to quantify ornithine, N1-acetylspermidine, and N8-acetylspermidine in samples of different natures (plasma, cell culture supernatants) and different species (mouse, human).

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Jul 2023

SUMMER OFFER: 20% OFF any purchase of our monoamine ELISA kits

Benefit from our current special offer on a range of specific and highly sensitive ELISA kits to obtain valuable quantitative data on monoamine levels in various fluids, including blood and urine.

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Jun 2023

A newcomer to our antibodies portfolio for Serotonin imaging on FFPE samples

Serotonin (5-HT) is one of the most potent monoamine neurotransmitters and peripheral signaling molecules. Physiologically, 5-HT has complex and diverse effects on the central and peripheral nervous systems, neuroendocrine regulation, and immunological responses. We recently developed and added to our catalog a novel antibody raised against 5-HT, compatible with formalin-fixed biological materials.

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May 2023

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

Given the importance of the Arginase pathway in pathophysiological processes, we have developed and validated a robust and easy-to-use immunoassay for the simultaneous detection and quantification of both L-Arginine and L-Ornithine in plasma / serum.

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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.

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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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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