IVD Products

IVD Products

As both a manufacturer of IVD devices and a distributor of life science products across the UK and Ireland, Caltag is uniquely positioned to support the needs of diagnostic and research laboratories.

We’re committed to providing products and services that meet the highest standards of quality, safety, and reliability. With our in-house manufacturing facilities, Caltag is ISO 13485:2016 certified and has an ISO 13485-compliant QMS implemented across all areas of the business.

You may well know of our IVD product, TransFix®, but did you know we also provide IVD products from our ever-expanding network of global suppliers?

Read on below to discover the full range of IVD products!

Contents – IVD Suppliers
  1. Caltag – TransFix
  2. IQ Products
  3. ScreenCell
  4. MBL
  5. AMD

In case you didn’t know, or if you did, here’s a reminder:

TransFix® is a stabilisation reagent that preserves cellular antigens and prevents cellular degradation in whole blood and cerebrospinal fluid for flow cytometric analysis.

  • TransFix® Reagent – 1 mL or 20 mL – Provides flexibility to pipette as much as you need.
  • TransFix® CSF Sample Storage Tubes – Optimised to stabilise Cerebrospinal Fluid for up to 3 days. Two formats available: small (for 0.25 – 1 mL samples) and large (for 1 – 4 mL samples).
  • TransFix®/EDTA Vacuum Blood Collection Tubes (TVT) – 3 and 9 mL direct draw collection tubes prefilled with sufficient TransFix® and K3 EDTA for the stabilisation and anticoagulation of blood at the point of collection for up to 14 days.
  • TransFix® Sample Storage Tubes – Do not contain an anticoagulant, allowing the stabilisation of blood samples with EDTA anticoagulant (1 mL).

IQ Products manufactures a range of antibody-based diagnostic products, including innovative kits in niche areas, with a particular focus on Women’s Health and pregnancy-related disorders.

Flow cytometry is IQ Products’ speciality, and over the years, they have developed different diagnostic assays to detect rare cell populations primarily based on high-quality antibodies.

Today, their range of IVD registered products includes:


ScreenCell® technology is a simple and rapid liquid biopsy method for reliable and non-invasive isolation of circulating tumour cells (CTCs) from a single blood sample in patients with solid tumours.

Available are 2 single-use IVD kits, each specifically designed for distinct applications:

CYTO – for cytological analysis – blood sample < 4 hours, cells fixed and analysed on the isolation support

Applications: CTC enumeration, detection of CTC clusters, cytopathological analysis of CTCs, evaluation of the expression of informative antigens, compatible with immunostaining methods (ICC, IF) and evaluation of cytogenetic abnormalities by FISH.

MB – for molecular biology analysis – blood sample < 4 hours, living cells lysed on the isolation support Applications: isolation of unaltered live CTCs, extraction of high-quality CTC DNA and/or RNA, evaluation of actionable and informative mutations, compatible with qPCR, dPCR and NGS, CTC culture and single-cell analysis and drug screening.


Medical & Biological Laboratories (MBL) is a leading manufacturer of IVD ELISA kits for the diagnosis of autoantibodies commonly encountered in Autoimmune Blistering Diseases (AIBD) and Polymyositis and Dermatomyositis (PM/DM).

Their latest kit, MESACUP™ Type VII Collagen TEST, measures anti-type VII collagen antibodies in patient serum, a characteristic of Epidermolysis Bullosa Acquisita (EBA), an AIBD which causes blisters on the skin and mucosal membranes.

Anti-type VII collagen IgG is associated with dysfunction of anchoring fibrils that stabilise dermal-epidermal adherence. Anti-type VII collagen IgG mainly reacts with non-collagen domain 1 (NC1) of type VII collagen, while NC2 is considered to contain a minor epitope. MBL’s MESACUP™ Type VII Collagen TEST is a ready-to-use, all-in-one ELISA kit which employs recombinant NC1 and NC2 antigens of type VII collagen for higher sensitivity.


Advanced Molecular Diagnostics (AMD) is committed to advancing diagnostic technology, and its R&D team has developed a range of high-quality products, including renowned gene-specific qPCR kits and nucleic acid extraction kits.

  • Human Molecular Assays – Genetic analysis, Infectious diseases, Respiratory illnesses, Sexually transmitted infections (STIs), Leukaemia diseases and Antibiotic resistance
  • Food Safety Assays – AMD’s Pheno range enables the detection of bacteria, diseases, parasites, etc., in a variety of food and water samples.
  • Vet Tech Diagnostics – VET Tech is a range designed to detect pathogens, viruses and diseases in animals, from livestock to pets.
  • Nucleic Acid Extraction Kits – From Viral NA extraction to Blood DNA extraction, AMD has you covered for every stage of the extraction process.


Caltag is the distributor of these products in the UK and Ireland. If you have any questions about these products, please contact us.

IVD Products
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