Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Ali M Amer"'
Publikováno v:
Iraqi Journal of Veterinary Sciences, Vol 37, Iss 2, Pp 459-467 (2023)
According to their toxicity, toxic heavy metals such as arsenic, mercury, cadmium, copper, zinc, and lead are believed to be the most harmful to humans, fish, and the environment. Because their levels are rising due to human activities endangering aq
Externí odkaz:
https://doaj.org/article/6da2e3528041435e97e40b0eddb95eb6
Autor:
Gawhara J. Abdelmonem, Ali M. Amer, Elsayed A. Hussein, Zeinab R. Aboezz, Ahmed R. Habashi, Saad S. Sharawi
Publikováno v:
Iraqi Journal of Veterinary Sciences, Vol 36, Iss 4, Pp 1053-1059 (2022)
Multiplex polymerase chain reaction (mPCR) assay is a nucleic acid amplification method that is considered reliable and practical means for several pathogen detections in a single reaction, especially when multiple pathogens are suspected. In this st
Externí odkaz:
https://doaj.org/article/4c40562d1f004da88f99f8673ede4f2d
Autor:
Christopher J Moore, Julia Stratford, Pooja Jain, Patricia M Price, Gillian A Whitfield, A Henry, Thomas E Marchant, Gillian R Watkins, Ali M Amer, Melanie M Green
Publikováno v:
Radiotherapy and Oncology. 103:360-366
Background and purpose Pancreatic radiotherapy (RT) is limited by uncertain target motion. We quantified 3D patient/organ motion during pancreatic RT and calculated required treatment margins. Materials and methods Cone-beam computed tomography (CBCT
Autor:
Julia Stratford, Ali M Amer, Ann Henry, Peter C Williams, Patricia M Price, Thomas E Marchant, J. Davies, Catherine A MacBain, Christopher J Moore, C McCarthy, Jonathan R Sykes
Publikováno v:
The British Journal of Radiology. 79:S66-S78
This paper offers a realistic review of kilovoltage X-ray cone beam tomography integrated with the treatment machine for image-guided radiotherapy in the light of experience taking a commercial system from prototype development into clinical use. It
Publikováno v:
Moore, C J, Marchant, T E & Amer, A M 2006, ' Cone beam CT with zonal filters for simultaneous dose reduction, improved target contrast and automated set-up in radiotherapy ', Physics in Medicine and Biology, vol. 51, no. 9, pp. 2191-2204 . https://doi.org/10.1088/0031-9155/51/9/005
Cone beam CT (CBCT) using a zonal filter is introduced. The aims are reduced concomitant imaging dose to the patient, simultaneous control of body scatter for improved image quality in the tumour target zone and preserved set-up detail for radiothera
Autor:
Patricia M Price, Julia Stratford, Ann Henry, Jonathan R Sykes, Bridget Porritt, Thomas E Marchant, Christopher J Moore, J. Davies, Ali M Amer, Catherine McBain, Vincent Khoo, Peter C Williams, C McCarthy
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 64:625-634
Purpose: X-ray volumetric imaging (XVI) for the first time allows for the on-treatment acquisition of three-dimensional (3D) kV cone beam computed tomography (CT) images. Clinical imaging using the Synergy System (Elekta, Crawley, UK) commenced in Ju
Publikováno v:
Radiotherapy and Oncology. 77:45-52
Background and purpose Image Guidance of patient set-up for radiotherapy can be achieved by acquiring X-ray volumetric images (XVI) with Elekta Synergy and registering these to the planning CT scan. This enables full 3D registration of structures fro
Autor:
Jonathan R Sykes, Ali M Amer, Christopher J Moore, Thomas E Marchant, A Henry, Julia Stratford, J. Davies
Publikováno v:
Clinical Oncology. 17:S1-S41
Publikováno v:
Marchant, T E, Amer, A M & Moore, C J 2008, ' Measurement of inter and intra fraction organ motion in radiotherapy using cone beam CT projection images ', Physics in Medicine and Biology, vol. 53, no. 4, pp. 1087-1098 . https://doi.org/10.1088/0031-9155/53/4/018
A method is presented for extraction of intra and inter fraction motion of seeds/markers within the patient from cone beam CT (CBCT) projection images. The position of the marker is determined on each projection image and fitted to a function describ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c73abc36dee7dbc4d0d4a29b288e3a91
Publikováno v:
Amer, A, Marchant, T, Sykes, J, Czajka, J & Moore, C 2007, ' Imaging doses from the Elekta Synergy X-ray cone beam CT system ', British Journal of Radiology, vol. 80, no. 954, pp. 476-482 . https://doi.org/10.1259/bjr/80446730
The Elekta Synergy is a radiotherapy treatment machine with integrated kilovoltage (kV) X-ray imaging system capable of producing cone beam CT (CBCT) images of the patient in the treatment position. The aim of this study is to assess the additional i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efaf345ae7e432fcecb669c9886a245e
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:155027
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:155027