Search Results - "Zubair, H. T."

An extendable optical fibre probe survey meter for naturally occurring radioactive material (NORM) and other weak emitters by Zubair, H. T., Bradley, D. A., Khairina, M. D., Oresegun, Adebiyi, Basaif, A., Othman, J., Rifiat, R., Hamidi, F., Rahman, L., Ezzadeen, A., Ibrahim, S. A., Mansor, S., Alkhorayef, M., Abdul-Rashid, H. A.

“…We have developed a radioluminescence-based survey meter for use in industries in which there is involvement in naturally occurring radioactive material…”
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Correlation of sonographic inferior vena cava and aorta diameter ratio with dehydration in Nigerian children by Adewumi, A, Braimoh, K, M Adesiyun, O, Ololu-Zubair, H, Idowu, B

“…Background: Accurate assessment of the degree of dehydration is essential in the management and fluid therapy of dehydrated children. The invasiveness of…”
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Low dose and low dose rate radioluminescence dosimetry by Bradley, D.A., Essa, R.Z., Peh, Suat-Cheng, Teow, Sin-Yeang, Chew, Ming-Tsuey, Zubair, H.T., Oresegun, Adebiyi, Basaif, Azmi, Choo, Kan Yeep, Ibrahim, Siti A., Abdul-Rashid, Hairul Azhar

“…Review is provided of a number of low-dose, low dose rate situations that in study require advances in the development of dosimetric facilities. Using a…”
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Evaluation of TOPAS MC tool performance in optical photon transport and radioluminescence-based dosimetry by Khodaei, A, Moradi, F, Oresegun, A, Zubair, H T, Bradley, D A, Ibrahim, S A, Abdul-Rashid, H A

“…Radiation therapy plays a pivotal role in modern cancer treatment, demanding precise and accurate dose delivery to tumor sites while minimizing harm to…”
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Recent Advances in Silica Glass Optical Fiber for Dosimetry Applications by Zubair, H.T., Begum, Mahfuza, Moradi, Farhad, Rahman, A.K.M. Mizanur, Mahdiraji, Ghafour A., Oresegun, Adebiyi, Louay, G.T., Omar, Nasr Y.M., Khandaker, Mayeen U., Adikan, Faisal R. M., Noor, Noramaliza M., Almugren, K.S., Abdul-Rashid, Hairul Azhar, Bradley, David A.

“…In this paper, we review the highly promising silica glass, fabricated as doped and undoped optical fiber for intended use in radiation dosimetry. The…”
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Time-resolved dose measurements of linear accelerator pulses using a fibre optic sensor: Applications and challenges by Bradley, D.A., Zubair, H.T., Oresegun, A., Louay, G.T., Zin, Hafiz M., Ung, N.M., Abdul-Rashid, H.A.

“…We present time-resolved radioluminescence (RL) measurements from P-doped silica optical fibre, demonstrating potential utility in pulsed source dosimetry…”
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Radioluminescence sensing of radiology exposures using P-doped silica optical fibres by Bradley, D.A., Zubair, H.T., Oresegun, A., Louay, G.T., Ariffin, Alawiah, Khandaker, Mayeen Uddin, Alzimami, Khalid S., Abdul-Rashid, H.A.

“…In previous work we investigated the real-time radioluminescence (RL) yield of Ge-doped silica fibres and Al2O3 nanodot media, sensing electron- and x-ray…”
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Effects of hydroxyl content in pure silica optical fiber exposed to kGy electron beams by Oresegun, Adebiyi, Zubair, H.T., Ghassan, Louay, Abdul-Rashid, Hairul Azhar, Hashim, Siti Aiasah, Bradley, David A.

“…We present a study on the effect of high dose (kGy) electron beams on pure silica core fibers through examining the following phenomena within the fibers:…”
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Radioluminescence of Ge-doped silica optical fibre and Al2O3:C dosimeters by Rahman, A.K.M. Mizanur, Begum, Mahfuza, Begum, Mahbuba, Zubair, H.T., Abdul-Rashid, H.A., Yusoff, Z., Bradley, D.A.

“…•Consistent RL response of Ge-doped fiber over prolonged irradiation periods.•No plateau effect when compared against the performance of Al2O3:C.•Negligible…”
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Ge-doped silica optical fibres as RL/OSL dosimeters for radiotherapy dosimetry by Rahman, A.K.M. Mizanur, Begum, Mahfuza, Zubair, H.T., Abdul-Rashid, H.A., Yusoff, Z., Ung, N.M., Bradley, D.A.

“…•RL intensities of the fibre samples are seen to increase with decreasing Ge-dopant concentration.•The measured OSL curves conform to the results of previous…”
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Fiber optic coupled survey meter for NORM and low-level radioactivity monitoring by Zubair, H.T., Rifiat, R., Oresegun, Adebiyi, Hamidi, F., Othman, J., Khairina, M.D., Basaif, A., Ibrahim, S.A., Abdul-Rashid, H.A., Bradley, D.A.

“…Currently existing low-level gamma-ray monitoring and measurement devices in the oil and gas and minerals beneficiations industries have several operational…”
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Towards the development of doped silica radioluminescence dosimetry by Bradley, D.A., Zubair, H.T., Oresegun, A., Louay, G.T., Abdul-Rashid, H.A., Ung, N.M., Alzimami, Khalid S.

“…We discuss recent investigations by members of this group concerning the performance of P-doped silica for radioluminescence-based dosimetry. Comparisons are…”
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Real-time radiation dosimetry using P-doped silica optical fiber by Zubair, H.T., Oresegun, A., Rahman, A.K.M. Mizanur, Ung, N.M., Mat Sharif, K.A., Zulkifli, M.I., Yassin, S.Z. Muhd, Maah, M.J., Yusoff, Z., Abdul-Rashid, H.A., Bradley, D.A., Omar, Nasr Y.M.

“…•P-doped silica optical fiber produces radioluminescence under MV X-ray exposure.•Real-time, remote reading achieved through fiber-optic coupled…”
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OSL using a prototype fibre-mounted sensor and automated reader assembly by Rahman, A.K.M. Mizanur, Begum, Mahfuza, Zubair, H.T., Abdul-Rashid, H.A., Yusoff, Z., N.M.Ung, Bradley, D.A.

“…Application-viable yields of optically stimulated luminescence (OSL) are known to be provided by a number of materials, Al2O3:C nanoDot OSLDs being one of…”
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The effect of different dopant concentration of tailor-made silica fibers in radiotherapy dosimetry by Begum, Mahfuza, Mizanur Rahman, A.K.M., Zubair, H.T., Abdul-Rashid, H.A., Yusoff, Z., Begum, Mahbuba, Alkhorayef, M., Alzimami, K., Bradley, D.A.

“…In thermoluminescence (TL) material dopant concentration has an important effect on their characteristics as a “radiation-sensor”. The study investigates…”
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Determination of Radiation Delivery Parameters of Medical Linear Accelerators using Data Analytics Pipeline by Zubair, H.T., Tan, Yi-Fei, Basaif, Azmi, Oresegun, Adebiyi, Zin, Hafiz, Bradley, David, Azhar, Hairul, Rashid, Abdul

“…Radiotherapy treatments involve the delivery of sharp radiation pulses of 2 to 4 microseconds duration over typical total periods of 30 to 300 seconds at a…”
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Time-resolved radiation dosimetry using a cerium and terbium Co-doped YAG crystal scintillator by Basaif, A., Oresegun, Adebiyi, Zubair, H.T., Zin, Hafiz, Choo, K.Y., Ibrahim, S.A., Wang, Tingyu, Wen, Jianxiang, Gang, Dingpeng, Lewis, Elfed, Abdul-Rashid, H.A., Bradley, D.A.

“…Time-resolved radiation dosimetry is an important factor in ensuring dose delivery during radiotherapy is within the prescribed doses for treatment. One method…”
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Phenomena observed in electron EBRT using a pulse-by-pulse radioluminescence dosimetry system with cloud-based analytics by Basaif, Azmi.A., Oresegun, Adebiyi, Zubair, H.T., Zin, Hafiz, Choo, K.Y., Lau, Sian Lun, Wong, Yuen-Yi, Lewis, Elfed, Abdul-Rashid, H.A., Bradley, D.A.

“…The pulse-by-pulse characteristics of electron beams from a clinical linear accelerator (linac) at high dose rates are crucial for ensuring precise dose…”
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Real-time germanium-doped optical fibers for clinical computed tomography dosimetry by Sarhan, H.G., Saini, S.M., Bahari, N.M., Bradley, D.A., Zubair, H.T., Basaif, A., Oresegun, A.A., Abdul Rashid, H.A., M. Noor, N.

“…In studies focusing on the practice of clinical computed tomography (CT) a particular concern has been that of delivering unnecessary dose to patients and with…”
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Performance of a Ge-doped optical fibre dosimeter for CT real-time measurements by Sarhan, H.G., Saini, S.M., Bahari, N.M., Bradley, D.A., Zubair, H.T., Basaif, A., Oresegun, A.A., Rashid, H.A. Abdul, Noor, N.M.

“…This study investigates the dosimetric characteristics of a real-time radioluminescence (RL) Ge-doped optical fiber sensor, model LS-1000, providing…”
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