Research Topics
| Chunsheng LiSummaryAffiliation: Health Canada Country: Canada Publications
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Detail Information
Publications
Improving global laboratory capabilities for emergency radionuclide bioassayChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, Ontario, Canada
Radiat Prot Dosimetry 151:626-8. 2012..Existing international collaboration platforms could provide the base on which to build such a network...
Evaluating the performance of the ORTEC® Detective™ for emergency urine bioassayChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, Canada
Radiat Prot Dosimetry 147:474-9. 2011..30 requirements even at 10 % RL. At 1 % RL, (169)Yb and (192)Ir were not detectable at either geometry, while the measurement of (60)Co in the mixed radionuclides satisfied the ANSI N13.30 requirements only at the IG...- Revised requirements for radiation emergency bioassay techniques for the public and first respondersChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada K1A 1C1
Health Phys 102:83-4. 2012.... - Excretion of volatile ¹³¹I from rats following administration of Na¹³¹I or MIBG-¹³¹IChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada K1A 1C1
Radiat Prot Dosimetry 148:143-8. 2012..As a result, a family member can receive up to 0.07 mSv committed effective dose from inhaling the volatile (131)I excreted by the patient... - International workshop on emergency radiobioassay: considerations, gaps and recommendationsChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada K1A 1C1
Health Phys 101:107-11. 2011..All these activities are required to make us better prepared for an RN emergency... - Biokinetics of ²¹⁰Po in rats: excretion via urine and faeces and retention in tissues and organsChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON K1A1C1, Canada
Radiat Prot Dosimetry 145:395-9. 2011..Emphasis is given to the methods of measurement and data quality rather than to the discussion of the observations. The authors aim to contribute data for developing or refining the biokinetic model for ²¹⁰Po metabolism... - Is alpha spectrometry reliable for ²¹⁰Po urine bioassay?Chunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada
Radiat Prot Dosimetry 143:106-8. 2011..A split-plot design method was used to compare results from the two measurement methods, showing no evidence of a difference between the two methods. This suggests that the AS method is reliable for (210)Po urine bioassay... - 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... - Metabolism of 210Po in rats: volatile 210Po in excretaChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, Ont K1A 1C1, Canada
Radiat Prot Dosimetry 140:158-62. 2010..002-0.009 %) of the administered amounts. However, if the administered amount is large, the excretion of volatile (210)Po can be significant... - Method comparison for 241Am emergency urine bioassayChunsheng Li
Radiation Protection Bureau, Health Canada, 775 Brookfield Rd, Ottawa, ON, Canada
Radiat Prot Dosimetry 141:228-32. 2010..GS requires minimal or no sample preparation, which makes it a good candidate method. Moreover, the sample throughput can be significantly improved if the GS and LSC methods are automated... - Ultraviolet ZnSe₁-xSx gradient-alloyed nanocrystals via a noninjection approachKui Yu
Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada
ACS Appl Mater Interfaces 4:4302-11. 2012..The present study offers conceptual methodology to various highly photoluminescent alloyed NCs with high quality, high particle yield, and high synthetic reproducibility... - Selectivity of 90Sr urine bioassay technique over 241Am, 238/239PU, 210PO, 137CS and 60COBaki B Sadi
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada
Radiat Prot Dosimetry 141:205-9. 2010..However, a slight modification of the method through the ammonium molybdophosphate treatment quantitatively removed Cs from the urine sample, thereby; making it selective for (90)Sr despite any (137)Cs that is present... - Metabolism of 210Po in rats: volatile 210Po from faecesBaki B Sadi
Radiation Protection Bureau, Health Canada, 6302 D, 775 Brookfield Road, Ottawa, ON, Canada
Radiat Prot Dosimetry 145:82-5. 2011..After 2 h of bubbling, the volatile (210)Po collected from the faeces sample was found to be between 1.0 and 1.7 % of the daily faecal excretion for the 4 d following (210)Po-citrate administration... - A rapid bioassay method for the determination of 90Sr in human urine sampleBaki B Sadi
Radiation Protection Bureau, Health Canada, 775 Brookfield Road, Ottawa, ON, Canada K1A 1C1
Radiat Prot Dosimetry 140:41-8. 2010.... - Canada's efforts in developing capabilities in radiological population monitoringChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada K1A 1C1
Health Phys 101:112-7. 2011..Integration of different monitoring methods and techniques in order to have the best assessment of radiation dose to support medical management and integration of Canada's efforts with international efforts are recommended... - An emergency radiobioassay method for 226Ra in human urine samplesBaki B Sadi
National Internal Radiation Assessment Section, Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada
Radiat Prot Dosimetry 151:10-6. 2012.... - 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.... - Preliminary studies of an 18-crown-6 ether modified magnetic cation exchange polymer in rapid (90)Sr bioassayAmy Hrdina
Department of Chemistry, Carleton University, Ottawa, ON, K1S 5B6, Canada
Health Phys 101:187-95. 2011..Preliminary investigations in rapid urinalysis were successful in isolating 83 ± 2% (90)Sr when pH was optimized to 9, with a sample turnover time <2 h, which is promising for radiological emergencies... - Mercury in arctic air: the long-term trendChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON K1A1C1, Canada
Sci Total Environ 407:2756-9. 2009..The time trend for winter and early spring was not statistically significant as the variability of TFM was very large, partly due to Arctic Mercury Depletion Events and partly due to Arctic haze... - An emergency urine bioassay method for 241Am by extraction chromatography and liquid scintillation countingBaki B Sadi
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada
Radiat Prot Dosimetry 141:134-9. 2010.... - Rapid determination of 226Ra in urine samplesXiongxin Dai
Chalk River Laboratories, Atomic Energy of Canada Limited, ON, Canada
Radiat Prot Dosimetry 151:30-5. 2012..Using this method, the results can be reported within an 8 h turn-around time. This method is suitable for quick dose assessment of (226)Ra exposure following a radiation emergency... - Highly-photoluminescent ZnSe nanocrystals via a non-injection-based approach with precursor reactivity elevated by a secondary phosphineKui Yu
Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario, K1A 0R6, Canada
Chem Commun (Camb) 47:8811-3. 2011.... - Molecularly imprinted polymers for (90)Sr urine bioassayNegar Bahraini
Department of Chemistry, Carleton University, Ottawa, ON K1S 5B6, Canada
Health Phys 101:128-35. 2011..After up to 94% of (90)Y was removed by precipitation with TiO(2), DCH18C6-MIP particles were applied for selective SPE of (90)Sr remaining in the urine matrix for final LSA... - Low-temperature noninjection approach to homogeneously-alloyed PbSe(x)S(1-x) colloidal nanocrystals for photovoltaic applicationsKui Yu
Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario K1A0R6, Canada
ACS Appl Mater Interfaces 3:1511-20. 2011..The present study brings insight into the formation mechanism of monomers, nucleation/growth of colloidal composition-tunable NCs, and materials design and synthesis for next-generation low-cost and high-efficiency solar cells... - Total filterable mercury and 210Pb in the Canadian Arctic airChunsheng Li
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada
J Environ Monit 11:1460-1. 2009..7 degrees N, 95.0 degrees W), a Canadian high Arctic site, during July 1999 and June 2000. The measurements showed a clear time lag of two months between the peak concentrations of TFM and (210)Pb... - Separation of plutonium from uranium using reactive chemistry in a bandpass reaction cell of an inductively coupled plasma mass spectrometerVladimir Vais
Radiation Protection Bureau, Health Canada, Ottawa, ON, Canada, K1A 1C1
Anal Bioanal Chem 380:235-9. 2004..Detection limits of 0.245, 0.092, 0.270 and 0.237 ng L(-1) were obtained for 238Pu, 239Pu, 240Pu and 242Pu, respectively, in urine spiked with 10 microg L(-1) of U... - Age dependence of natural uranium and thorium concentrations in boneDominic Lariviere
Radiation Protection Bureau, Health Canada, 775 Brookfield Road, Address Locator 6302D1, Ottawa, ON, Canada, K1A
Health Phys 92:119-26. 2007.... - Validation of an inductively coupled plasma mass spectrometry (ICP-MS) method for the determination of cerium, strontium, and titanium in ceramic materials used in radiological dispersal devices (RDDs)Ana Paula Packer
Heath Canada, Radiation Protection Bureau, 775 Brookfield Rd, Ottawa, ON, Canada K1A 1C1
Anal Chim Acta 588:166-72. 2007..11, 0.02, and 0.04 microg per filter for Ti, Sr, and Ce, respectively) and the possibility to determine isotopic fractionation as the result of an explosion... - 210Pb in home dust as a possible marker for radon exposure in indoor airChunsheng Li
Radiation Protection Bureau, Health Canada, 775 Brookfield Road, Ottawa, ON, Canada
Health Phys 95:436-9. 2008..This observation could lead to the development of 210Pb in home dust as a potential marker for indoor radon exposure... - Diffusive gradients in thin films technique for uranium measurements in river waterWeijia Li
Radiation Protection Bureau, Health Canada, A L 6302D1, 775 Brookfield Rd, Ottawa, ON, K1A 1C1, Canada weijia
Anal Chim Acta 592:106-13. 2007..It is hoped that by deploying the DGT devices with different binding phases in natural waters, additional information on uranium speciation could be obtained... - Low-temperature approach to high-yield and reproducible syntheses of high-quality small-sized PbSe colloidal nanocrystals for photovoltaic applicationsJianying Ouyang
Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada
ACS Appl Mater Interfaces 3:553-65. 2011..82%, in comparison with the same type of solar cells using other PbSe NCs, under Air Mass 1.5 global (AM 1.5G) irradiation of 100 mW/cm(2)...