Zobrazeno 1 - 10
of 16
pro vyhledávání: '"David Andrew Bradley"'
Autor:
Siok Ee Lam, Siti Nurasiah Mat Nawi, Siti Fairus Abdul Sani, Mayeen Uddin Khandaker, David Andrew Bradley
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract Preliminary study has been made of black human hair, carbon concentration of some 53%, a model in examining the potential of hair of the human head in retrospective and emergency biodosimetry applications, also offering effective atomic numb
Externí odkaz:
https://doaj.org/article/51fef80ddb2d4513bf0bbb6bea65fe06
Autor:
Chetan Pandit, Arpita Roy, Suresh Ghotekar, Ameer Khusro, Mohammad Nazmul Islam, Talha Bin Emran, Siok Ee Lam, Mayeen Uddin Khandaker, David Andrew Bradley
Publikováno v:
Journal of King Saud University: Science, Vol 34, Iss 3, Pp 101869- (2022)
In terms of cost-efficiency, biocompatibility, environmental friendliness, and scalability, green nanoparticle (NP) synthesis is a novel field of nanotechnology that outperforms both physical and chemical approaches. Plants, bacteria, fungi, and alga
Externí odkaz:
https://doaj.org/article/813dadc662404f32aded029ab001d828
Autor:
Halmat Jalal Hassan, Suhairul Hashim, Mohamad Syazwan Mohd Sanusi, Mohamad Hidayat Jamal, Sitti Asmah Hassan, David Andrew Bradley, Rafael García-Tenorio, Rozman Mohd Tahar
Publikováno v:
PLoS ONE, Vol 16, Iss 6, p e0250528 (2021)
Forming part of a study of radiological risk arising from use of radioactive consumer products, investigation is made of pendants containing naturally occurring radioactive material. Based on use of gamma-ray spectrometry and Monte Carlo (MC) simulat
Externí odkaz:
https://doaj.org/article/acb3cac163804e3595c47ab6b67c45e5
Autor:
Noor Fadilla Ismail, Suhairul Hashim, Mohamad Syazwan Mohd Sanusi, Ahmad Taufek Abdul Rahman, David Andrew Bradley
Publikováno v:
Applied Sciences, Vol 11, Iss 15, p 6842 (2021)
Across populations, the dominating source of public exposure to radiation is radon gas. In the present study, we aimed at determining the concentration of radon in water sources from the southwest coastal region of Peninsular Malaysia. A total of 27
Externí odkaz:
https://doaj.org/article/9eb58337fdf34c1d910800e6e461b213
Autor:
Halmat Jalal Hassan, Suhairul Hashim, Noor Zati Hani Abu Hanifah, Muhammad Fahmi Rizal Abdul Hadi, Mohamad Syazwan Mohd Sanusi, David Andrew Bradley, Rafael García Tenorio, Rozman Mohd Tahar
Publikováno v:
Applied Sciences, Vol 11, Iss 12, p 5412 (2021)
The study investigates commercially available negative ion clothing, and evaluations are made using gamma-ray spectroscopy and Geant4 Monte Carlo simulations. Observed to contain naturally occurring radioactive material (NORM), evaluations are made o
Externí odkaz:
https://doaj.org/article/90a1e908f7c24949bd8a10b9a44dd970
Autor:
Nurul Absar, Jainal Abedin, Md. Mashiur Rahman, Moazzem Hossain Miah, Naziba Siddique, Masud Kamal, Mantazul Islam Chowdhury, Abdelmoneim Adam Mohamed Sulieman, Mohammad Rashed Iqbal Faruque, Mayeen Uddin Khandaker, David Andrew Bradley, Abdullah Alsubaie
Publikováno v:
Life, Vol 11, Iss 4, p 282 (2021)
Considering the probable health risks due to radioactivity input via drinking tea, the concentrations of 226Ra, 232Th,40K and 137Cs radionuclides in the soil and the corresponding tea leaves of a large tea plantation were measured using high purity g
Externí odkaz:
https://doaj.org/article/7f7b210f15a047a5beba056efe7b025e
Autor:
Halmat Jalal Hassan, Suhairul Hashim, Mohamad Syazwan Mohd Sanusi, David Andrew Bradley, Abdullah Alsubaie, Rafael Garcia Tenorio, Noor Fitriah Bakri, Rozman Mohd Tahar
Publikováno v:
Applied Sciences, Vol 11, Iss 3, p 1311 (2021)
The use of thorium in providing the intense white luminescence emitted from gas mantles, has a history of some 130 years, the initial application pre-dating by several decades large-scale urban electric lighting. Accordingly, the thoriated gas mantle
Externí odkaz:
https://doaj.org/article/2f283879aa4241b985a4423a02796d58
Autor:
Siti Nurasiah Binti Mat Nawi, Nor Fadira Binti Wahib, Nurul Najua Binti Zulkepely, Yusoff Bin Mohd Amin, Ung Ngie Min, David Andrew Bradley, Roslan Bin Md Nor, Mohd Jamil Maah
Publikováno v:
Sensors, Vol 15, Iss 8, Pp 20557-20569 (2015)
Study has been undertaken of the thermoluminescence (TL) yield of various tailor-made flat cross-section 6 mol% Ge-doped silica fibers, differing only in respect of external dimensions. Key TL dosimetric characteristics have been investigated, includ
Externí odkaz:
https://doaj.org/article/584d1bde83174933a114b72af0ff5ca7
Autor:
Jubair Al Mahmud, M. M. Mahfuz Siraz, Mohammad Shafiqul Alam, Sudeb Chandra Das, David Andrew Bradley, Mayeen Uddin Khandaker, Shinji Tokonami, Afroza Shelley, Selina Yeasmin
Publikováno v:
International Journal of Environmental Analytical Chemistry. :1-13
Autor:
Muhammad, Safwan Ahmad Fadzil, Noramaliza, Mohd Noor, Ung, Ngie Min, Norhayati, Abdullah, Mohd, Taufik Dolah, Mahzom, Pawanchek, David, Andrew Bradley
Publikováno v:
Physica Medica. 100:99-104
We have conducted for the first time a Malaysian postal dosimetry audit of external beam under non-reference conditions by evaluating the output performance while screening for systematic errors within the dosimetry chain. The potential use from the