Joseph N Daka
Affiliation: Health Canada
- Laboratory evaluation of a SpectraMax microplate reader and test strips for field measurement of creatinine in spot urine samples in the event of a radiological accidentJoseph N Daka
Radiation Protection Bureau, Health Canada, Ottawa, Ontario, Canada K1A 1C1
Health Phys 101:154-8. 2011....
- Preparation and application of steeps of tea as new simulations of urine for the performance testing programme of 14CJoseph N Daka
Canadian National Calibration Reference Centre for Bioassay and In Vivo Monitoring, National Internal Radiation Assessment, Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada K1A 1C1
Radiat Prot Dosimetry 151:420-5. 2012..It was concluded that tea steeps, of which the spectroscopic and colour quenching properties have been adjusted, do provide appropriate urine simulations, suitable for use in PTPs...
- Evaluation of tea as a matrix in a dual (3H/14C) performance testing program in CanadaJoseph N Daka
National Calibration and Reference Centre, Radiation Protection Bureau, Health Canada, 775 Brookfield Road, P L 6302D, Ottawa, ON, Canada K1A 1C1
Health Phys 103:275-8. 2012..This report is an extension of similar investigations and shows that tea samples spiked with both H and C (DUAL) are also compatible and produce excellent PTP results...
- Preparation and application of tea to a tritium performance testing programmeJoseph N Daka
National Calibration and Reference Centre, Radiation Protection Bureau, Health Canada, 775 Brookfield Road, PL 6302D, Ottawa, ON, Canada K1A 1C1
Radiat Prot Dosimetry 148:242-8. 2012..Also, since unlike urine whose use may increase the probability of contaminating and transmitting diseases (e.g. hepatitis C), tea is a safer alternative. When needed, it can readily be prepared for the laboratories...
- The Canadian National Calibration Reference Center for Bioassay and in Vivo Monitoring: an updateJoseph N Daka
National Internal Radiation Assessment Section, Radiation Protection Bureau, 775 Brookfield Road, PL6302D, Ottawa, Ontario, Canada K1A 1C1
Health Phys 97:590-4. 2009..The internal dosimetry performance testing is a new addition to the performance testing suite. This summary also describes the recent reorganization of the NCRC...
- Requirements for radiation emergency urine bioassay techniques for the public and first respondersChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON, K1A 1C1
Health Phys 99:702-7. 2010..A review of currently available assay techniques summarized in this paper reveals that method development for ²⁴¹Am, ²²⁶Ra, ²³⁸Pu, and ⁹⁰Sr urine bioassay is needed...
- A laboratory observation of some toxic effects of commercially available implant polyurethanes on HL-60 cancer cellsJoseph N Daka
Medical Devices Bureau, Health Products and Food Branch, Health Canada, Ottawa, Canada, ON K1A 1C1
Biomed Sci Instrum 39:421-7. 2003....