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What is the FlashGel™ Mask?

The FlashGel™ Mask (Cat. No. 57020) is a flexible strip that slides under the FlashGel™ Cassette to block light from the second tier of wells when using double-tier cassettes.

How do I prevent keratinocyte terminal differentiation towards corneocytes? Can Lonza’s keratinocytes be cultured without calcium?

Keratinocyte differentiation can be induced by calcium in the culture media. As such, lowering the calcium concentration in a serum free media will greatly lower the chances keratinocytes terminally differentiating towards corneocytes. While Lonza...

Why do I need to store cell culture media in the dark?

Most tissue culturists will never observe effects on proliferating cells that can be attributed to light exposed media. However, several light-related factors may exert sufficient collective influence to cause the spurious results occasionally...

Is the Human Leukocyte Antigen (HLA) type information available for any of Lonza's cell products?

Lonza does obtain the Human Leukocyte Antigen (HLA) type information for many (but not all) of the Clonetics® and Poietics® Cell Types we are offering. If you require cells of a specific HLA type donor, please contact Lonza's Scientific Support Team....

Which Lonza Bacterial Endotoxin Test (BET), LAL or PyroGene™ Recombinant Factor C (rFC), endotoxin detection kit should I use?

There are a few different things you should consider before deciding which endotoxin detection kit to order. First of all, how many samples will you be testing, and how frequently? If you are going to be testing one or two samples, one time only,...

What equipment do I need to run my Lonza Bacterial Endotoxin Test (BET), LAL or PyroGene™ Recombinant Factor C (rFC), endotoxin detection assay?

Each endotoxin detection assay requires the use of different equipment. If running one of our PYROGENT™ Gel-Clot assays, a non-circulating waterbath or a dry heat block able to heat at 37°C is required. If running one of our kinetic assays,...

How are Lonza's CD34+ cells isolated?

Lonza's CD34+ cells are isolated first by obtaining mononuclear cells from bone marrow or cord blood via density gradient centrifugation. The CD34+ cells are then isolated form the mononuclear cell population using positive immunomagnetic selection.

Are Lonza’s melanocytes classified/categorized by the donor’s skin tone?

Lonza’s human melanocytes, both adult and neonatal, are currently only classified by the donor’s race. Lonza designates race as Caucasian (C), Black/African American (B), Asian (A), Hispanic (H), Other (O) (which can include Indian, Native American,...

What is the purity of Lonza's CD34+ cells?

Cell purity (as determined via FACS analysis for CD34 expression) is guaranteed to be 90% or greater for all Lonza CD34+ cell products. For some Lonza CD34+ cell products, a "budget" version of the product is available. The "budget" versions of the...

Can I get a Material Data Safety Sheet (MSDS) for my Lonza endotoxin detection Bacterial Endotoxin Testing (BET) kit, LAL or PyroGene™ Recombinant Factor C (rFC), and/or my accessory products?

All of our endotoxin detection products have been evaluated and deemed non-hazardous in accordance with 29 CFR 1910.1200, the Hazard Communication Standard, based on the percentage quantities of its constituents. Therefore, none of our endotoxin...

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