Human blood products
A comprehensive range of human blood-based materials, including serum and plasma products, sourced and processed under strict quality and ethical standards for diagnostic use.
JTC Diagnosemittel GmbH · Vöhl, Germany
Bridging the gap between science and health care
An ISO 13485-certified German manufacturer of critical IVD raw materials, human bio-materials and control products — trusted by diagnostic developers and manufacturers in more than 50 countries.
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Years of IVD expertise
ISO 13485
Certified manufacturing
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Countries served
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Traceable, ethically sourced
Who we are
A specialist partner for in-vitro diagnostics
Founded by Thomas Nolte, an entrepreneur with more than 30 years of experience in in-vitro diagnostics, JTC Diagnostics has grown into a recognised specialist in IVD raw materials and human bio-materials.
From our site in Vöhl, Germany, we develop, manufacture and distribute serum-based matrix preparations, controls, calibrators and standards used in the production of diagnostic assays worldwide — supported by full technology-transfer and scale-up services.
More about the company
Made in Vöhl
Developed, manufactured and released at our German site
What we do
Core capabilities
From single pilot batches to commercial bulk supply, our portfolio covers the materials diagnostic manufacturers depend on.
Tissues & specialties
Carefully selected human tissues and specialty bio-materials that support research, assay development and advanced diagnostic applications.
Controls, pools & standards
High-quality control materials, pooled samples and reference standards developed to ensure accuracy, consistency and reliability in diagnostic testing.
EQA control materials
Premium, commutable specimens for EQA organisations and proficiency testing providers, engineered for minimal matrix effects and long-term stability across clinical analytes and platforms.
OEM & private label
Private-label and OEM calibrators, controls and reagents manufactured to your specification, from pilot batches through to commercial bulk volumes.
Research, development & tech transfer
Accelerated development, validation and scale-up of manufacturing processes, including full technology transfer support for partner production sites.
Global presence
Supplying diagnostic manufacturers in more than 50 countries
From our headquarters in Germany and through partners across several continents, we ship temperature-controlled bio-materials and control products with full documentation and traceability — supporting customers from first feasibility batch to routine commercial supply.
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years of IVD expertise
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countries served
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traceable materials
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certified German site
Quality & trust
Certified, traceable, ethically sourced
Every batch leaves Vöhl with the documentation diagnostic manufacturers need for their own regulatory files.
ISO 13485:2016 certified · TÜV NORD
ISO 13485 quality management
Manufacturing operates under a certified ISO 13485 quality management system, with documented procedures covering every stage from incoming material to release.
Full donor-to-product traceability
Every lot is traceable back to its source material, supported by comprehensive batch records and certificates of analysis.
Ethical sourcing
All human bio-materials are collected under informed consent and strict ethical sourcing protocols, with complete documentation available to customers.
Comprehensive QC testing
Viral marker screening, sterile 0.22 µm filtration where specified, stability programmes and analyte target verification are applied as standard.
Our philosophy
Why partners choose JTC
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Commitment to the sector
We are committed to strengthening the in-vitro diagnostics sector through dependable materials, responsible manufacturing and long-term collaboration with our customers.
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Scientific innovation
We stay at the forefront of innovation, manufacturing and developing products that help the IVD sector grow and evolve, offering the latest technological advances to assay developers and manufacturers.
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Guarantee and support
We respond to the growing global need for a complete in-vitro diagnostics partner, prioritising customer satisfaction in service, responsiveness, quality and product innovation alike.
Testimonials
“The commutability of the serum matrices is what convinced our development team. We moved from evaluation to routine supply without a single matrix-related surprise.”
Head of Assay Development · Clinical chemistry manufacturer, Western Europe
Read more testimonialsEvents
Where to meet us
16 – 19 November 2026
MEDICA 2026
Düsseldorf, Germany
The world's largest medical trade fair. Meet our team on home ground to discuss custom IVD raw materials, OEM reagents and processed human serum matrices.
Ready to drive the future of IVD technologies?
Our long-term commitment to science, quality and innovation lets us deliver consistent, future-ready IVD materials trusted by partners across the globe.