The first alternatives to the MBA were developed by NIBSC
, which is tasked with double-checking the LD50 results for Bt batch tests done in the UK.
) and recombinant hk2 were serially diluted from 2 [micro]g/ml and added to the respective wells and then the plate was incubated at 37[degrees]C for I hr.
Threshold value were defined based on the limit of detection assay with the WHO 3rd Hepatitis C Virus (HCV) RNA International Standard (NIBSC
had prepared the first WHO International Standard for Human C-peptide NIBSC
code, 13/ 146, and this is now available, replacing the IRR 84/510, stocks of which are exhausted.
The international standard for recombinant human IGF-1 NIBSC
Code 02/254 was used as a standard material.
The Sabin strain is unstable and thus could repopulate the environment, Sarah Knowlson and her colleagues from the NIBSC
, Potters Bar, England, argue.
Reproducibility and precision data were collected using the quantitation standard of the lowest concentration (5 x [10.sup.2] copies/mL) calibrated against the WHO Standard for CMV (1st WHO International Standard for HCMV for nucleic acid amplification techniques NIBSC
Additionally, two hyperimmune sheep sera, SH454 raised against NIBRG-14 (H5N HA) and 02/294 raised against A/chicken/Italy/13474/1999 (H7N1 HA), were kindly provided by NIBSC
Working with the National Institute of Biological Standards and Control (NIBSC
) the Newcastle team has been testing monoclonal antibodies for adverse responses.
This is to take into account the Agency's expanded role following the addition of the National Institute for Biological Standards and Control (NIBSC
) in April and the forthcoming retirement of two of its non-executive directors.
CFB Boilers recently completed a major steam boiler plant upgrade for the National Institute for Biological Standards and Control (NIBSC
) in South IV imms.
sordellii antitoxin (NIBSC
, England), confirming that both strains were toxigenic.