Dr. T. Cheung

»Associate Professor, Department of Physics and Materials Science, City University of Hong Kong 

Publications (from 2000) (see here for impact factors):

1. Yu,K.N., Cheung,T., Young, E.C.M., Mui, W.N., Tang, K.K., "The effects of covering materials on Rn concentrations in offices in Hong Kong", 2000, Journal of Environmental Radioactivity, 47(2), 183-188.
2. Yu,K.N., Cheung,T., Guan, Z.J., Mui, W.N., Ng, Y.T., "²²²Rn, ²²⁰Rn and their progeny concentrations in offices in Hong Kong", 2000, Journal of Environmental Radioactivity, 48(2), 95-105.
3. Yu,K.N., Cheung,T., Luo,D.L., Li,M.F., "Factors affecting uptake of ¹³¹I in Brassica Chinensis Linn", 2000, Journal of Environmental Radioactivity, 49(2), 209-216.
4. Butson, M.J., Cheung, T., Yu, P., Metcalfe, P.E., "Evaluation of a radiotherapy electron contamination deflection system", 2000, Radiation Measurements, 32, 101-104.
5. Butson, M.J., Cheung, T., Yu, P.K.N., Metcalfe, P.E., "Simulation and Measurement of Air Generated Electron Contamination in Radiotherapy", 2000, Radiation Measurements, 32, 105-111.
6. Butson, M.J., Cheung, T., Yu, P.K.N., Metcalfe, P.E., "Assessment of large single fraction low energy x-ray dose in-vivo using radiochromic film", 2000, International Journal of Radiation Oncology Biology and Physics, 46, 1071-1075.
7. Yu, K.N., Balendran, R.V., Koo, S.Y. and Cheung, T., "Silica fume as a radon retardant from concrete", 2000, Environmental Science & Technology, 34, 2284-2287.
8. Yu, K.N., Guan, Z.J., Cheung, T., Cheung, T.T.K., and Lo, T.Y., "Light Weight Concrete: ²²⁶Ra, ²³²Th, ⁴⁰K Contents and Dose Reduction Assessment", 2000, Applied Radiation and Isotopes, 53(6), 975-980.
9. Butson, M.J., Cheung, T., Yu, P., Metcalfe, P.E., "Effects on skin dose from unwanted air gaps under bolus in photon beam radiotherapy", 2000, Radiation Measurements, 32, 201-204.
10. Butson, M.J., Cheung, T., Yu, P.K.N., Abatti, D., Greenoak, G., "Ultraviolet radiation dosimetry with radiochromic film", 2000, Physics in Medicine and Biology, 45, 1863-1868.
11. Butson, M.J., Cheung, T., Yu, P.K.N., Stokes, M.J., "Blood irradiation with accelerator produced electron beams", 2000, Physics in Medicine and Biology, 45 (11), N139-N142.
12. Butson, M.J., Elfernick, R., Cheung, T., Yu, P.K.N., Stokes, M.J., Quach, K.Y., Metcalfe, P., "Verification of lung dose in an anthropomorphic phantom calculated by the collapsed cone convolution method", 2000, Physics in Medicine and Biology, 45 (11), N143-N151.
13. Cheung, T., Cheng, Q., Feng, D., Stokes, M.J., "Study on examinee's dose delivered in computed tomography", 2001, Physics in Medicine and Biology, 46, 813-820.
14. Butson, M.J., Cheung, T., Yu, P.K.N., "Radiochromic film dosimetry in water phantoms", 2001, Physics in Medicine and Biology, 46, N27-N31.
15. Butson, M.J., Cheung, T., Yu, P.K.N., "Skin dose delivered in megavoltage external beam therapeutic radiology", 2001, Recent Advances and Research Updates, 2, 63-68.
16. Cheung, T., Butson, M.J., Yu, P.K.N., "Visible dye light absorption properties of processed radiographic film", 2001, Physics in Medicine and Biology, 46, N197-N201.
17. Cheung, T., Butson, M.J., Yu, P.K.N., "Use of multiple layers of Gafchromic film to increase sensitivity", 2001, Physics in Medicine and Biology, 46, N235–N240.
18. Cheung, T., Butson, M.J., Yu, P.K.N., "Validation of blood product irradiation doses", 2001, Physics in Medicine and Biology, 46, N241–N244.
19. Butson, M.J., Cheung, T., Yu, P.K.N., "Spatial resolution of a stacked radiochromic film dosimeter", 2001, Radiotherapy and Oncology, 61, 211-213.
20. Butson, M.J., Cheung, T., Yu, P.K.N., B. Webb, "Variations in skin dose associated with linac bed material at 6 MV x-ray range", 2002, Physics in Medicine and Biology, 47, N25-N30.
21. Cheung, T., Butson, M.J., Yu, P.K.N., "Evaluation of a fluorescent light densitometer for radiochromic film analysis", 2002, Radiation Measurements, 35, 13-16.
22. Cheung, T., Butson, M.J., Yu, P.K.N., "Multilayer Gafchromic film detectors for breast skin dose determination in vivo", 2002, Physics in Medicine and Biology, 47, N31-37.
23. Butson, M.J., Cheung, T., Yu, P.K.N., "Lepton contamination and photon scatter produced by open field 18 MV X-ray beams in the build up region", 2002, Radiation Measurements, 35, 103-107.
24. Butson, M.J., Cheung, T., Yu, P.K.N., "Calculation of electron contamination doses produced using blocking trays for 6 MV X-rays", 2002, Radiation Measurements, 35, 99-102.
25. Cheung, T., Butson, M.J., Yu, P.K.N., "Evaluation of build up dose from 6 MV x-rays under pelvic an abdominal patient immobilization devices", 2002, Radiation Measurements, 35, 235-238.
26. Butson, M.J., Cheung, T., Yu, P.K.N., Metcalfe, P., "Measurement of skin dose variations produced by a silicon-based protective dressing in radiotherapy", 2002, Physics in Medicine and Biology, 47, N145-N151.
27. Cheung, T., Butson, M.J., Yu, P.K.N., “Use of a blood glucose meter for radiochromic film analysis in blood irradiation”, 2002, Physics in Medicine and Biology, 47, N259-263.
28. Cheung, T., Butson, M.J., Yu, P.K.N., Metcalfe, P., “Effects of water light absorption properties of a radiographic film”, 2002, Physics in Medicine and Biology, 47, 279-284.
29. Butson, M.J., Cheung, T., Yu, P.K.N., “Corresponding dose response of radiographic film with layered Grafchromic film”, 2002, Physics in Medicine and Biology, 47, N285-N289.
30. Butson, M.J., Yu, P.K.N., Cheung, T., Metcalfe, P., “High sensitivity radiochromic film dose comparisons”, 2002, Physics in Medicine and Biology, 47, N291-N295.
31. Butson, M.J., Yu, P.K.N., Cheung, T., Inwood, D., “Polarization effects on a high sensitivity radiochromic film”, 2003, Physics in Medicine and Biology, 48, N207-211.
32. Butson, M.J., Yu, P.K.N., Cheung, T., “Rounded end multi-leaf penumbral measurements with radiochromic film”, 2003, Physics in Medicine and Biology, 48, N247-252.
33. Butson, M.J., Yu, P.K.N., Cheung, T., Metcalfe, P.E., "Radiochromic film for Medical Radiation Dosimetry", 2003, Materials Science & Engineering R: Reports, 41, 61-120.
34. Yu, P.K.N., Cheung, T., Butson, M.J., “Variations in skin dose using 6MV or 18MV x-ray beams”, 2003, Australasain Physical & Engineering Sciences in Medicine, 26, 78-80.
35. Cheung, T., Butson, M.J., Yu, P.K.N., “MOSFET dosimetry in-vivo at superficial and orthovoltage x-ray energies”, 2003, Australasain Physical & Engineering Sciences in Medicine, 26, 81-83.
36. Butson, M.J., Yu, P.K.N., Cheung, T., “Polarity Effect on Surface Dose Measurement for an Attix parallel plate ionisation chamber”, 2003, Australasain Physical & Engineering Sciences in Medicine, 26, 84-86.
37. Butson, M.J., Cheung, T., Yu, P.K.N., “Variations in 6MV x-ray radiotherapy build up dose with treatment distance”, 2003, Australasain Physical & Engineering Sciences in Medicine, 26, 87-89.
38. Cheung, T., Yu, P.K.N., Butson, M.J., “Source and detector polarization effects on radiographic film dosimetry”, 2003, Physics in Medicine and Biology, 48, N329-N334.
39. Cheung, T., Butson, M.J., Yu, P.K.N., “Effects of temperature variation on MOSFET dosimetry”, 2004, Physics in Medicine and Biology, 49, N191-N196.
40. Butson, M.J., Cheung, T., Yu, P.K.N., Currie, M., “Surface dose extrapolation measurements with radiographic film”, 2004, Physics in Medicine and Biology, 49, N197-N201.
41. Yu, K.N., Cheung, Y.P., Cheung, T., Henry, R.C., “Identifying the Impact of Large Urban Airports on Local Air Quality by Nonparametric Regression", 2004, Atmospheric Environment, 38, 4501-4507.
42. Yu, P.K.N., Cheung, T., Butson, M.J., "Prostate dosimetry in an anthropomorphic phantom", 2004, Australasain Physical & Engineering Sciences in Medicine, 27, 60-62.
43. Butson, M.J., Cheung, T., Yu, P.K.N., "Visible absorption properties of radiation exposed XR type T radiochromic film", 2004, Physics in Medicine and Biology, 49, N347-351.
44. Cheung, T., Butson, M.J., Yu, P.K.N., "Experimental energy response verification of XR type T radiochromic film", 2004, Physics in Medicine and Biology, 49, N371-N376.
45. Butson, M.J., Cheung, T., Yu, P.K.N., "Absorption spectra analysis of exposed FWT-60 radiochromic film", 2004, Physics in Medicine and Biology, 49, N377-N381.
46. Butson, M.J., Cheung, T., Yu, P.K.N., "Radiochromic film: the new x-ray dosimetry and imaging tool", 2004, Australasian Physical & Engineering Sciences in Medicine, 27, 230.
47. Butson, M.J., Cheung, T., Yu, P.K.N., "Peripheral dose measurement with a MOSFET detector", 2005, Applied Radiation and Isotopes, 62, 631-634. 
48. Cheung, T., Yu, P.K.N., Butson, M.J., "Low dose measurement with a MOSFET in high energy radiotherapy applications", 2005, Radiation Measurements, 39, 91-94.
49. Cheung, T., Butson, M.J., Yu, P.K.N., "Reflection spectrometry analysis of irradiated GAFCHROMIC XR type R radiochromic films", 2005, Applied Radiation and Isotopes, 63, 127-129. 
50. Butson, M.J., Cheung, T., Yu, P.K.N., "Absorption spectra variations of EBT radiochromic film from radiation exposure", 2005, Physics in Medicine and Biology, 50, N135-N140.
51. Butson, M.J., Cheung, T., Yu, P.K.N., "XR type R radiochromic film x-ray energy response", 2005, Physics in Medicine and Biology, 50, N195-N199.
52. Butson, M.J., Cheung, T., Yu, P.K.N., "Fluorescent light effects on FWT-60 radiochromic film", 2005, Physics in Medicine and Biology, 50, N209-N213.
53. Cheung, T., Butson, M.J., Yu, P.K.N., "Post irradiation coloration of Gafchromic EBT radiochromic film", 2005, Physics in Medicine and Biology, 50, N281-N285.
54. Cheung, T., Yu, P.K.N., Butson, M.J., " Measurements of centi-Gray x-ray dose levels with radiochromic film" 2005, IEEE Transactions on Nuclear Science, 52, 1271-1273.
55. Cheung, T., Butson, M.J., Yu, P.K.N., "Weak energy dependence of EBT Gafchromic film dose response in the 50 kVp - 10 MVp X-ray range", Applied Radiation and Isotopes, 2006, 64, 60-62.
56. Butson, M.J., Cheung, T., Yu, P.K.N., "Absorption spectra of irradiated XRCT Radiochromic film", 2006, Physics in Medicine and Biology, 51, 3099-3103.
57. Cheung, T., Butson, M.J., Yu, P.K.N., "Independence of calibration curves for EBT Gafchromic films of the size of high-energy x-ray fields", 2006, Applied Radiation and Isotopes, 64, 1027-1030.
58. Cheung, T., Butson, M.J., Yu, P.K.N., "Measurement of high energy x-ray beam penumbra with Gafchromic^TM EBT radiochromic film", 2006, Medical Physics, 33, 2912-2914.
59. Butson, M.J., Cheung, T., Yu, P.K.N., "Measurement of energy dependence for XRCT Radiochromic film", Medical Physics, 2006, 33, 2923-2925.
60. Yu, P.K.N., Butson, M.J., Cheung, T., "Does mechanical pressure on radiochromic film affect optical absorption and dosimetry?", 2006, Australasian Physical and Engineering Sciences in Medicine, 29, 1-3.
61. Butson, M.J., Cheung, T., Yu, P.K.N., "Scanning orientation effects on EBT Gafchromic film dosimetry", 2006, Australasian Physical and Engineering Sciences in Medicine, 29, 281-284.
62. Butson, M.J., Cheung, T., Yu, P.K.N., "Visible absorption spectra of radiation exposed SIRAD dosimeters", 2006, Physics in Medicine and Biology, 51, N417-N421.
63. Cheung T., Butson M.J., Yu, P.K.N., "X-Ray energy dependence of the dose response of SIRAD radiation dosimeters", 2007, Applied Radiation and Isotopes, 65, 814-817.
64. Butson, M.J., Cheung T., Yu, P.K.N., "Megavoltage x-ray skin dose variation with an angle using grid carbon fibre couch tops", 2007, Physics in Medicine and Biology, 52, N485-N492.
65. Man, L.C.T., Apel, P., Cheung, T., Westerberg, L., Yu, K.N., Zet C., Spohr R., "Influence of a surfactant on single ion track etching. Preparing and manipulating cylindrical micro wires", 2007, Nuclear Instruments and Methods in Physics Research B, 265, 621–625.
66. Butson, M.J., Cheung, T., Yu, P.K.N., "Radiochromic film for verification of superficial x-ray backscatter factors", 2007, Australasian Physical and Engineering Sciences in Medicine, 30, 269-273.
67. Butson, M.J., Cheung T., Yu, P.K.N., Price, S., Bailey, M., "Measurement of radiotherapy superficial x-ray dose under eye shields with radiochromic film", 2008, Physica Medica, 24, 29-33.
68. Man, L.C.T., Apel, P., Cheung, T., Westerberg, L., Yu, K.N., Zet C., Spohr R., "Influence of surfactant on single ion track etching", 2008, Journal of Physics: Conference Series 100, 082031.
69. Ng, C.K.M., Poon, W.L., Li, W.Y., Cheung, T., Cheng, S.H., Yu, K.N., "Study of substrate topographical effects on epithelial cell behavior using etched alpha-particle tracks on PADC films", 2008, Nuclear Instruments and Methods in Physics Research B, 266, 3247-3256.
70. Ng, C.K.M., Chan, K.F., Li, W.Y., Tse, A.K.W., Fong, W.F., Cheung, T., Yu, K.N., "Biocompatibility enhancement of chemically etched CR-39 SSNTDs through superficial pore formation by alpha-particle irradiation", 2008, Radiation Measurements, 43 (Suppl. 1), S537-S540.
71. Butson, M.J., Cheung T., Yu, P.K.N., "Solid water phantom heat conduction: heating and cooling rates", 2008, Journal of Medical Physics, 33, 24-28.
72. Butson, M.J., Cheung T., Yu, P.K.N., "Measurement of dose reductions for superficial x-rays backscattered from bone interfaces", 2008, Physics in Medicine and Biology, 53, N329–N336.
73. Butson, M.J., Cheung, T., Yu, P.K.N., "Measuring energy response for RTQA Radiochromic film to improve quality assurance procedures", 2008, Australasian Physical and Engineering Sciences in Medicine, 31, 203-206.
74. Cheung, T., Butson, M.J., Yu, P.K.N., "Energy dependence corrections to MOSFET dosimetric sensitivity", 2009, Australasian Physical and Engineering Sciences in Medicine, 32, 16-20.
75. Butson, M.J., Cheung, T., Yu, P.K.N., "Evaluation of the magnitude of EBT Gafchromic film polarization effects", 2009, Australasian Physical and Engineering Sciences in Medicine, 32, 21-25.
76. Alnawaf, H., Butson, M.J., Cheung, T., Yu, P.K.N., 2009. Scanning orientation and polarization effects for XRQA Radiochromic film. Physica Medica (in press)
77. Butson, M.J., Cheung, T., Yu, P.K.N., 2009. Dose and absorption spectra response of EBT2 Gafchromic film to high energy x-rays. Australasian Physical and Engineering Sciences in Medicine (in press)
78. Alnawaf, H., Cheung, T., Butson, M.J., Yu, P.K.N., 2009. Absorption spectra response of XR-QA Radiochromic film to x-ray radiation. Radiation Measurements, doi: 10.1016/j.radmeas.2009.10.058 (in press)

Last updated: 28 Oct 2009

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