FAQs

Standard VueLife® Bags

What are the standard sizes offered for Standard VueLife® bags?
Standard VueLife® bags are available in a variety of standard sizes.

Are other sizes available?
Yes, custom sizes are available.

What cell types can be cultured in the Standard VueLife® bags? 
VueLife® bags are suitable for the culture of highly concentrated lymphocytes (such as NK and T cells) monocytes, and the maturation of dendritic cells. 

What are additional applications of the Standard VueLife® bags?
The bags can also be used for the expansion of cord blood and other medical applications.

Can your bags be used for the culture of cells that require constant agitation?
The bags may be used with shaker and rocker platforms.

What regulatory approval do these bags have?
The bags are a Class 1 medical devices (510(k) cleared). Please inquire about our referenceable device master file.

What kind of systems can you provide for the transfer of cells and materials?
Bag designs are available with sterile dockable tubing to enable closed systems to be prepared by the user. Female Luer ports are also available for making connection in biohoods.

What are ways to do an expansion culture in one bag?
Utilize Saint-Gobain clamps. 

How do you seal the bags?
Use hot temperature bar sealer, such as Packworld. What is the best position of the bag when culturing cells? It is strongly recommended to use a culture rack in order to maximize the gas permeability through the bottom of the bag.

VueLife® Adherent Cell Bags (AC)

What cell types are typically used with VueLife® AC bags?
The VueLife®AC bags used for dendritic and other adherent cells.

How are the AC bags different from Standard bags?
AC bags are made with the same FEP film with proprietary surface treatment that allows the film to have a higher surface energy.

How are cells released from adherent cell bag?
By carefully injecting sterile air into the bag. KryoSure® Cryopreservation Bags

How are the KryoSure® bags different than other Saint-Gobain FEP bags?
Ports are protected with FEP flaps so that bags can be immersed in Liquid Nitrogen without contaminating the ports. Most KryoSure® bags have a label pocket to allow the user to insert a label for its protection.

How are samples from KryoSure® bags identified?
The samples can be identified with the unique number engraved into the label pocket and etched into the fill tube in three places which provides unalterable segments for cross-identification.

Why choose KryoSure® FEP?
KryoSure® bags are made from FEP material which stays flexible at liquid nitrogen temperatures. The bags are designed with rounded corners for cold strength durability.

What options do you have for extremely valuable products that need to be cryopreserved?
Saint-Gobain offers FEP KryoSure® overwraps for added protection. Additionally, Saint-Gobain manufactures FEP KryoSure® bags to fit metal cassettes.

KryoView® “Peel-Pouch”

What is a KryoView® “Peel-Pouch”?
It is a peel-pouch designed to be used as an overwrap for the protection of valuable samples stored in liquid nitrogen.

How is a KryoView® Peel pouch different from the KryoSure® FEP overwrap?
The easy-to-use peel-open package includes a layer polyimide (Kapton) material that can be pre-printed with identification information.

What are the KryoSure® Sterility covers used for?
They are polyimide (Kapton) sheets that are used to provide a barrier between a bag and a sealer, which provides sterile environment to contain the bag-to-be-sealed. They are provided non-sterile but can be steam sterilized by the end user.