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Where are Lonzas Normal Human Osteoblasts (NHOst) cells isolated from?

Lonza’s Normal Human Osteoblasts (NHOst) are isolated by explant, and the tissue is from the spongy section of the bone head of the ribs, femur, or tibia.

What is the difference between each of the types of HUVECs that Lonza offers?

When choosing between the various types of HUVECs that Lonza offers, the choice can be made by answering the following questions:What media do you intend to culture the cells in?Do you require pooled or single donor cells?Do you require additional...

What are the advantages of the Lonza Bacterial Endotoxin Test (BET), LAL or PyroGene Recombinant Factor (rFC), endotoxin detection assays over the rabbit test?

Lonza LAL and PyroGene™ rFC Endotoxin detection assays are faster, have greater sensitivity, show less variability,, are less expensive, and are an alternative to animal model testing. These assays allow higher throughput and can also be automated on...

How should I properly heat my Lonza QCL-1000 Endpoint LAL Bacterial Endotoxin Test (BET) Assay?

Incubation is another area where assay performance can be affected. We recommend the use of a dry bath and heat block combination that is capable of maintaining 37 ±1 °C. The temperature should be monitored with a calibrated thermometer and checked...

What type of heparin is used with fresh bone marrow?

Lonza uses sodium heparin as the anticoagulant at a final concentration of 100 units/mL.

When is the ideal time to study Lonzas Human Knee Articular Chondrocytes (NHAC-kn) after re-differentiation?

For maximum re-differentiation and therefore maximum collagen production, Lonza’s Human Knee Articular Chondrocytes should be studied within the first passage after re-differentiation. Serial expansion in monolayer culture after re-differentiation...

Is Lonza's fresh bone marrow filtered?

The fresh bone marrow is filtered only if visible clots are present. If the technical assistance notices clots in the marrow, they pour the marrow over a filter which removes the clot from the aspirate. No other manipulation of the product takes...

How should I handle the reconstituted Lonza LAL PYROGENT Gel Clot Bacterial Endotoxin Testing (BET) Reagent?

Rehydrated LAL reagent may be stored for as long as 24 hours, but it must be kept at 2-8 °C. Do not pre-incubate lysate in the LAL test tubes before adding samples to them. This is not necessary and may cause sensitivity loss in the LAL reagent. If...

How would you describe the morphology of Lonzas Normal Human Osteoblasts (NHOst)?

Lonza’s Normal Human Osteoblasts (NHOst) generally appear fibroblastic. They are cuboidal in lower densities and become spindle shaped as they become confluent.

What is the percentage of purity of Lonzas Normal Human Osteoblasts (NHOst) cells?

It is not easy to put an exact number to the purity of the NHOst populations because the tests used are all functional assays: alkaline phosphatase production and bone mineralization, which unless you have synchronized cultures, not all the cells are...
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