Exosomes - Matexcel

Exosomes are small extracellular vesicles, typically 30–150 nm in diameter, that originate from the endosomal system and participate in intercellular communication. They are enclosed by a lipid bilayer membrane and can carry proteins, nucleic acids, and small molecules. In research settings, exosomes are studied as natural delivery vehicles and as biological models for membrane trafficking, vesicle uptake, and formulation screening.

The Matexcel exosome collection spans three product groups: Standard Exosomes, Exosome Carriers, and Exosome Reagents. Each group is sourced from well-characterized biological systems and is intended for laboratory research use.

Figure 1. Schematic representation of exosomes as natural extracellular vesicles for drug-delivery research.

Exosome Product Families

The catalog is organized into three product groups. Each group supports a distinct research workflow, from vesicle isolation and characterization to carrier engineering and biogenesis studies.

Product Group	Source / Format	Example Products
Standard Exosomes — Cell-derived	HEK293F, HEK293T, T-cell, NK-cell	Cell-culture supernatant; aqueous or lyophilized
Standard Exosomes — Plant-derived	Ginger, Centella asiatica, Scutellaria baicalensis	Plant-extract nanoparticles; frozen storage
Standard Exosomes — Animal/Milk-derived	Milk exosomes	Aqueous suspension in saline buffer
Standard Exosomes — Stem Cell-derived	Rat and mouse MSCs	Frozen suspension; dilute in PBS or basal medium
Exosome Carriers	Engineered / modified exosomes	EGF-FGF modified exosomes
Exosome Reagents	Antibodies and inhibitors	CD9, CD63, TSG101, Hsp70 antibodies; GW4869 inhibitor

Figure 2. Cross-sectional view of an exosome, illustrating the lipid bilayer membrane, surface proteins, and encapsulated cargo.

Research Applications

Application Area	Research Use
Delivery Models	Natural membrane vesicles for loading, stability, and release studies.
Vesicle Trafficking & Uptake	Investigating cellular internalization and intercellular transport mechanisms.
Membrane & Lipid Biology	Comparing exosome membranes with synthetic lipid formulations.
Formulation Screening	Evaluating buffer, storage, and handling conditions for vesicle preparations.
Marker Detection	Western blot-validated antibodies for exosome protein identification.

Exosomes support a variety of laboratory research workflows in delivery science and vesicle biology.

Figure 3. Illustration of exosome-mediated cargo delivery and vesicle uptake at the target cell membrane.

Guide to Selecting Exosomes

Research Goal	Product Family	Selection Notes
Cell-line model studies	Cell-derived Exosomes	Confirm source cell line, particle size, purity, and storage format.
Natural-product / botanical research	Plant-derived Exosomes	Verify botanical source, storage temperature, and available specification.
Milk-derived delivery model	Animal/Milk-derived Exosomes	Check formulation buffer and storage condition before use.
Stem-cell biology research	Stem Cell-derived Exosomes	Match species/strain and follow the recommended thawing/dilution protocol.
Targeted loading studies	Engineered/Modified Carriers	Confirm engineering approach and any concentration or buffer details.
Marker detection	Exosome Antibodies	Validate application scope; confirm species reactivity.
Biogenesis / release studies	Exosome Inhibitors	Verify salt form, solubility, and storage duration.

Specifications to Confirm

Parameter	Why It Matters	Information to Confirm
Source / Origin	Defines vesicle identity and composition.	Cell line, plant species, animal fluid, or stem-cell type.
Particle Size & Concentration	Affects handling and experimental design.	NTA/EM size range and mass/particle concentration.
Purity & Quality Grade	Supports reproducibility.	Purity basis, assay method, and grade (e.g., research-grade).
Formulation / Buffer	Determines compatibility with downstream workflows.	Supplied form, solvent/buffer, reconstitution instructions.
Storage & Stability	Affects shelf life and handling.	Temperature, duration, and freeze-thaw guidance.

Matexcel provides these exosome materials for laboratory research. Contact us for product details, specifications, and supply information.

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