Service no. | Service scope | Service description | Reference fee | Turnaround |
1 | Fluorescent label (Dye method) | Fluorescently label EVs using dyes such as PKH26 or PKH67. | 200 CNY/sample | 3 business days |
2 | Fluorescent label (Viral method) | Fluorescently label EVs using lentiviral expression systems such as CD63-GFP. | 3000CNY/sample | 20 business days |
3 | Tracing and imaging (Cell confocal imaging) | Co-incubate fluorescent EVs with cells and image them by confocal microscopy. | 500 CNY/sample | 7 business days |
4 | Tracing and imaging (Zebrafish fluorescence imaging) | Add fluorescent EVs to zebrafish larval culture medium and image using a fluorescence stereomicroscope. | CNY 5,000/10 animals | 20 business days |
5 | Tracing and imaging （Small-animal in vivo imaging） | Inject fluorescent EVs into mice and image using a small-animal in vivo imaging system. | 250 CNY/individual | 7 business days |
EV tracing uses specific labels to follow vesicle movement and investigate mechanisms in vitro or in vivo. It can provide information about EV distribution and activity in different tissues and conditions. The service typically includes EV isolation, label selection and application, followed by tracking and analysis.
Lifeint provides EV research and application services from sample preparation, isolation and characterization to omics, functional studies, modification and scale-up. It jointly established a biomedical technology centre with Xiamen University School of Pharmaceutical Sciences, built process-development laboratories to GMP standards, and contributed to an EV expert consensus. Its service records cover more than 300 plant species.
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