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Public Health Agency of Canada

2 ARTICLES PUBLISHED IN JoVE

Immunology and Infection

Quantitative Analyses of all Influenza Type A Viral Hemagglutinins and Neuraminidases using Universal Antibodies in Simple Slot Blot Assays

Caroline Gravel^*1, Changgui Li^*2, Junzhi Wang², Anwar M Hashem^1,3,4, Bozena Jaentschke¹, Gary Van Domselaar⁵, Runtao He⁵, Xuguang Li^1,3

¹Centre for Vaccine Evaluation, Biologics and Genetic Therapies Directorate, HPFB, Health canada, ²National Institute for the Control of Pharmaceutical and Biological Products, The State Food and Drug Administration, Beijing, ³Department of Biochemistry, Microbiology and Immunology, University of Ottawa, ⁴Microbiology Department, Faculty of Medicine, King Abdulaziz University, ⁵National Microbiology Laboratory, Public Health Agency of Canada

A simple slot blot method was developed for the quantification of influenza viral hemagglutinin and neuraminidase using universal antibodies targeting their most conserved sequences identified through bioinformatics analyses. This innovative approach may provide a useful alternative to quantitative determination of all viral hemagglutinin and neuraminidase.

Immunology and Infection

Generation of Greater Bacterial Biofilm Biomass using PCR-Plate Deep Well Microplate Devices

Ali N. Doucet¹, Carmine J. Slipski¹, George R. Golding^1,2, Michael R. Mulvey^1,2, Denice C. Bay¹

¹Department of Medical Microbiology and Infectious Diseases, University of Manitoba, ²National Microbiology Laboratory, Public Health Agency of Canada

This protocol presents methodology to perform biofilm growth and biomass measurements using self-assembled deep well PCR-plate devices for high-throughput 96-well pegged lid static biofilm screening.