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Vironova BioAnalytics is a world-leading provider of GMP-certified transmission electron microscopy (TEM) services and quality control analyses of nanoparticles. Founded in 2005 and based in Stockholm, Sweden, our dedicated team of experts works in close partnership with our clients to provide analysis solutions and support. We deliver reliable and traceable data with quick turnaround times, to help our clients to meet regulatory requirements and to ensure product safety worldwide.






GMP Certificate




We are a team of experts from across the globe: from the Nordics, Europe, Asia, and Oceania. Together, we bring >100+ years of experience in applying TEM in structural biology, molecular biology, biophysics, materials science, virology, nanotechnology,  biochemistry, image processing, and QA, to provide solutions and support to our global life science partners in both research and commercial settings.

Imaging & Analysis

We offer cryogenic TEM (cryoTEM) and negative stain TEM (nsTEM) analyses to visualize and resolve fine details of nanoparticles, including internal and surface features. Facilitated by our proprietary Vironova Analyzer Software (VAS), we can provide assessments on a wide selection of attributes, including overall morphology, purity, integrity, aggregation, lamellarity, packaging, full/empty etc.

Four Hexagon Shapes

Samples imaged

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Method validations

Number of clients


GMP certificate


We received a GMP certificate in 2020 and renewed in 2022. “Testing with the purpose of characterization, evaluation, quality assessment and quality control of  particles in micro and nanometre scale (drug substances, intermediate drug substances, drug products) using negative stain transmission electron microscopy and cryogenic transmission electron microscopy with semi-automatic particle detection and analysis using software.

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