High Purity Exosome Standards Enhance Research Reproducibility
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Amsbio offers a wide range of highly pure, lyophilized exosome standards designed to support reproducibility and standardization in extracellular vesicle (EV) research.
Exosomes are small lipid nanoparticles actively secreted by exocytosis in most living cells. Regulating pleiotropic physiological and pathological functions – exosomes have been shown to play significant roles in diverse pathological conditions such as cancer, infectious and neurodegenerative diseases. Currently there is growing interest in exosomes as promising new tools for use such as biomarkers and therapeutics.
The importance of reproducibility in extracellular vesicle research is a growing focus worldwide, as reflected in the latest (2023) guidelines from the International Society for Extracellular Vesicles (ISEV). This theme is also explored in a recent blog (see https://www.amsbio.com/news/exosomes_blog) which highlights how exosomes are driving progress in diagnostics and therapeutics.
Amsbio exosome standards directly support ISEV priorities, offering high-purity, quality-controlled reference materials to improve comparability across experiments and laboratories.
Derived from a variety of biological sources including cell culture supernatant, human plasma, serum and urine – Amsbio exosomes are purified using a combination of tangential flow filtration (TFF) and size exclusion chromatography (SEC). These isolated high purity exosomes are then quantified and validated for overall protein content, size distribution, concentration and EV specific marker expression.
These exosome standards are lyophilized (freeze-dried) to preserve structural integrity and ensure long-term stability at 4°C for up to 36 months. The rigorous quality control and high purity of Amsbio exosome standards both enhance experimental reproducibility and facilitates result comparison between different research groups.
Quick and easy to reconstitute, exosome standards serve as positive controls for applications including marker assessment, extracellular vesicle (EV) quantification, flow cytometry, immunocapture performance evaluation and OMICS analysis. AMSBIO also offers fluorescent labelling for all exosome standards.
