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Viral Vector Packaging Services

Stemmera offers several viral vector packaging services. The viral vectors include but not limit to the adeno-associated virus (AAV), lentivirus, adenovirus, retrovirus, and other new types of viral vectors that we will strive to meet your special requests. Our services cover the whole process of viral vector preparations which include the vector type and backbone selections, designation, construction, production, purification, titration and characterization in vitro and in vivo.

Our production capacity for vector preparation can be up to 5 liter medium/cycle. Our CRO services of viral preparation has been provided to pharmaceutical industries and research institutes internationally. Our service team members have more than 10 years of experiences in many different types of viral vector preparations. Our turnaround time is fast. Although we provide the industrial standard services, prices that we offered are comparable with non-profit organization.

Please feel free to contact us if you have any viral vector related question. We are looking forward to serving you!


Contract Assay Services

Contact Assay Service

Contract Assay Services combine the power of quality Stemmera reagents with the practical knowledge of highly qualified scientists with expertise in hematopoietic, neural and mesenchymal stem cell biology to provide customized assay services to meet your needs.


Stem Cell Culture Training & Education

Technical support

Stemmera provides a wide variety of training and educational activities to help with the standardization of various stem cell culture assays.

Our hands-on training courses provide extensive intruction in the culture of many different cell types and are taught by experts in theie field.


Customized Cell Manipulation


Our flexible cell isolation platforms make it fast and east to create tailor-made products to meet your cell separation needs. This is particularly useful to researchers working with rare cell types, difficult tissues, non-standard species or any special applications.

Stemmera scientists will help you design your own custom kit, modify existing kits, use your own labeled antibody, or use any mouse lgG1 antibody. Please contact us for details.



Stemmera Inc is a privately owned biotechnology company located in Bay Area, California that focus in developing innovative technology and application solution for stem cell research. Our products include kit, culture medium, reagents, antibodies, buffers and solution, cell lines that are convenient tools used in stem cell research. Read More