Relevant bibliographies by topics / SRIXE

Academic literature on the topic 'SRIXE'

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Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "SRIXE"

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Kwiatek, W. M., A. Banaś, M. Gajda, M. Gałka, B. Pawlicki, G. Falkenberg, and T. Cichocki. "Cancerous tissues analyzed by SRIXE." Journal of Alloys and Compounds 401, no. 1-2 (September 2005): 173–77. http://dx.doi.org/10.1016/j.jallcom.2005.02.070.

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Janssens, K., F. Adams, M. L. Rivers, and K. W. Jones. "Analysis of individual microscopic particles by means of synchrotron radiation induced x-ray micro fluorescence." Proceedings, annual meeting, Electron Microscopy Society of America 50, no. 2 (August 1992): 1766–67. http://dx.doi.org/10.1017/s0424820100133461.

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Micro-SXRF (Synchrotron X-ray Fluorescence) or micro-SRIXE (Synchrotron Radiation Induced X-ray Emission) is a microanalytical technique which combines the sensitivity of more conventional microchemical methods such as Secondary Ion Microscopy (SIMS) and μ-PIXE (Proton Induced X-ray Emission) with the non-destructive and quantitative character of X-ray fluorescence analysis. The detection limits attainable at current SXRF-facilities are situated in the ppm (and in favourable cases the sub-ppm) range. The sensitivity of SRIXE can be used advantageously in individual particle analysis. This type of analysis is used, e.g., for studying sources of athmospheric pollution. Analysis of standard NIST micro-spheres at the NSLS-SRIXE facility yielded minimum detection limits in the 1 to 100 ppm range for particle sizes of around 10 to 30 μm.An interesting approach to individual particle characterisation is by means of electron microprobe analysis (EPMA). By using the backscattered electron signals, in an automated fashion, particles can be easily located on a filter substrate and their size and shape determined.
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Kwiatek, W. M. "Synchrotron Radiation Induced X-Ray Emission - SRIXE." Acta Physica Polonica A 82, no. 2 (August 1992): 263–71. http://dx.doi.org/10.12693/aphyspola.82.263.

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Banaś, A., K. Banaś, G. Falkenberg, G. Dyduch, and W. M. Kwiatek. "Elemental Mapping of Prostate Tissue by Micro-SRIXE." Acta Physica Polonica A 109, no. 3 (March 2006): 323–28. http://dx.doi.org/10.12693/aphyspola.109.323.

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Jones, K. W., W. J. Berry, D. J. Borsay, H. T. Cline, W. C. Conner, and C. S. Fullmer. "Applications of synchrotron radiation-induced x-ray emission (SRIXE)." X-Ray Spectrometry 26, no. 6 (November 1997): 350–58. http://dx.doi.org/10.1002/(sici)1097-4539(199711/12)26:6<350::aid-xrs233>3.0.co;2-e.

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Kwiatek, W. M., A. L. Hanson, and K. W. Jones. "Selection of the experimental conditions for white-light SRIXE measurements." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 50, no. 1-4 (April 1990): 347–52. http://dx.doi.org/10.1016/0168-583x(90)90380-d.

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Hanson, A. L. "A method for selecting detector apertures for use in SRIXE." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 260, no. 1 (October 1987): 264–75. http://dx.doi.org/10.1016/0168-9002(87)90412-8.

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Paluszkiewicz, Czesława, and Wojciech M. Kwiatek. "Analysis of human cancer prostate tissues using FTIR microspectroscopy and SRIXE techniques." Journal of Molecular Structure 565-566 (May 2001): 329–34. http://dx.doi.org/10.1016/s0022-2860(01)00527-0.

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Kwiatek, W. M., T. Drewniak, M. Lekka, and A. Wajdowicz. "Investigation of trace elements in cancer kidney tissues by SRIXE and PIXE." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 109-110 (April 1996): 284–88. http://dx.doi.org/10.1016/0168-583x(95)00923-x.

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Vittur, F., C. Tuniz, S. Psoletti, R. Rizzo, and K. W. Jones. "Elemental analysis of growth plate cartilage by synchrotron-radiation-induced X-ray emission (SRIXE)." Biochemical and Biophysical Research Communications 188, no. 3 (November 1992): 1010–17. http://dx.doi.org/10.1016/0006-291x(92)91332-k.

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Dissertations / Theses on the topic "SRIXE"

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Alderden, Rebecca. "The Distribution of Platinum Complexes in Biological Systems." Thesis, The University of Sydney, 2006. http://hdl.handle.net/2123/1419.

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The toxicity of platinum anticancer drugs presents a major obstacle in the effective treatment of tumours. Much of the toxicity stems from a lack of specificity of the drugs for the sites at which they are able to exert maximum anticancer activity. An improved understanding of the behaviour of the drugs in the tumour environment may assist in the rational design of future platinum anticancer agents with enhanced specificity and reduced toxicity. In the work presented herein, the specificity of two classes of platinum anticancer agents was assessed (platinum(IV) cisplatin analogues and platinum(II) anthraquinone complexes). The interaction of the platinum(IV) agents with DNA, believed to be their main cellular target, was examined using XANES spectroscopy. This experiment was designed to assess the ability of the drugs to interact with DNA and thus exert their anticancer activity. It was shown that the platinum(IV) complexes were not reduced by DNA during 48 hr incubation. It was not possible to conclusively determine whether the interaction of the complexes with DNA was direct or platinum(II) catalysed, or whether interaction had occurred at all. The distribution of platinum(II) anthraquinone complexes and their corresponding anthraquinone ligands in tumour cells (A2780 ovarian and DLD-1 colon cancer cell lines) was investigated. The cytotoxicity of the compounds in DLD-1 cells was also assessed. It was found that the compounds were efficiently taken up into the cells and entered the lysosomal compartments almost exclusively. This suggested that the cytotoxicity of the drugs was caused by lysosomal disruption, or that the platinum complexes were degraded, leaving a platinum species to enter the cell nuclei and interact with DNA. Alternatively, the complexes may bind to proteins and transport into the nuclei of the cells, though with their fluorescence quenched by the protein. The penetration and distribution of platinum(IV) complexes was assessed in DLD-1 multicellular tumour spheroids (established models of solid tumours) using a number of synchrotron techniques, including micro-tomography, micro-SRIXE, and micro-XANES. The complexes were found to be capable of penetrating throughout the entire volume of the spheroids. Micro-XANES indicated that in central and peripheral spheroidal regions, bound platinum species were present largely as platinum(II).
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Alderden, Rebecca. "The Distribution of Platinum Complexes in Biological Systems." University of Sydney, 2006. http://hdl.handle.net/2123/1419.

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Doctor of Philosophy (PhD)
The toxicity of platinum anticancer drugs presents a major obstacle in the effective treatment of tumours. Much of the toxicity stems from a lack of specificity of the drugs for the sites at which they are able to exert maximum anticancer activity. An improved understanding of the behaviour of the drugs in the tumour environment may assist in the rational design of future platinum anticancer agents with enhanced specificity and reduced toxicity. In the work presented herein, the specificity of two classes of platinum anticancer agents was assessed (platinum(IV) cisplatin analogues and platinum(II) anthraquinone complexes). The interaction of the platinum(IV) agents with DNA, believed to be their main cellular target, was examined using XANES spectroscopy. This experiment was designed to assess the ability of the drugs to interact with DNA and thus exert their anticancer activity. It was shown that the platinum(IV) complexes were not reduced by DNA during 48 hr incubation. It was not possible to conclusively determine whether the interaction of the complexes with DNA was direct or platinum(II) catalysed, or whether interaction had occurred at all. The distribution of platinum(II) anthraquinone complexes and their corresponding anthraquinone ligands in tumour cells (A2780 ovarian and DLD-1 colon cancer cell lines) was investigated. The cytotoxicity of the compounds in DLD-1 cells was also assessed. It was found that the compounds were efficiently taken up into the cells and entered the lysosomal compartments almost exclusively. This suggested that the cytotoxicity of the drugs was caused by lysosomal disruption, or that the platinum complexes were degraded, leaving a platinum species to enter the cell nuclei and interact with DNA. Alternatively, the complexes may bind to proteins and transport into the nuclei of the cells, though with their fluorescence quenched by the protein. The penetration and distribution of platinum(IV) complexes was assessed in DLD-1 multicellular tumour spheroids (established models of solid tumours) using a number of synchrotron techniques, including micro-tomography, micro-SRIXE, and micro-XANES. The complexes were found to be capable of penetrating throughout the entire volume of the spheroids. Micro-XANES indicated that in central and peripheral spheroidal regions, bound platinum species were present largely as platinum(II).
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Jesus, Edison Oliveira de. "SRIDE sistema reconhecedor de imagens de diagramas eletricos." [s.n.], 1997. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261113.

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Orientador: Roberto de Alencar Lotufo
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação
Made available in DSpace on 2018-07-23T02:04:50Z (GMT). No. of bitstreams: 1 Jesus_EdisonOliveirade_D.pdf: 11299711 bytes, checksum: 67c9340221a3c172c1c9e4e41a28d50d (MD5) Previous issue date: 1997
Resumo: Este trabalho refere-se ao desenvolvimento de um novo método de vetorização de desenhos de engenharia aplicado à diagramas de circuitos elétricos, sem a utilização de afinamento clássico ou obtenção de esqueleto, como normalmente ocorre com os métodos tradicionais. Posteriormente a esta vetorização desenvolveu-se um sistema de reconhecimento dos símbolos que compõem o diagrama de circuito bem como suas interconexões. A metodologia desenvolvida neste projeto baseia-se na obtenção dos pontos caractensticos da imagem ( cruzamentos de linhas, cantos e finais de linhas ), os quais podem ser origem dos vetores representativos da imagem. Os resultados obtidos mostram que diferentemente dos processos de afinamento e de extração de esqueleto, esta nova metodologia apresenta as seguintes características: a) o processamento é mais rápido; b) é independente da largura das linhas; c) a obtenção dos pontos de cruzamentos, cantos e fins de retas é facilitada; d) é mais resistente à ruídos tais como a presença de pontos espúrios ou pequenas interrupções de linhas; e) trata a imagem original sem nenhuma perda de informação, proporcionando maior facilidade no processamento para reconhecimento de padrões e interpretação do desenho. A classificação dos símbolos representativos dos elementos que constituem um circuito elétrico ( como por exemplo resistor, capacitor, terra, etc. ) é realizada em duas formas ...Observação: O resumo, na íntegra, poderá ser visualizado no texto completo da tese digital
Abstract: This work is concerned to the developing of a new process to vectorize low-level engineering drawings applied to electrical circuits diagrams, without using thinning neither skeleton tracing, as is common in the traditional methods. After this vectorization, was developed a recognizer to the symbols which constitute the diagram as such their interconections. This project presents a methodology based in finding the feature points of the image ( corners, ends of tines and crosses ) which can be the origin of the vectors that represent the image. The results show that this method is a new tine tracing method, possessing all the functions of the traditional thinning process, and it has some significant superiorities: a) it has faster processing speed; b) it is independent from the tine width value; c) it is easy to extract cross points, comers and end tines; d) it has hight ability of resisting noise, such as spurs on tines and smalltine break; e) it treats the original image with no loss of information, while thinning loses it in the traditional method, it is more suitable for further detail processing, entity recognition and drawing interpretation. In this project we also do a research on drawing interpretation, we recognize tines which belong to the entities, interconection lines and also some entities of the drawing ...Note: The complete abstract is available with the full electronic digital thesis or dissertations
Doutorado
Doutor em Engenharia Elétrica
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Books on the topic "SRIXE"

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Mabarti, Enas. Srie Sunarsasi. Bandung: Kiblat Buku Utama, 2013.

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2

Canada, Statistics. 96 census: Place of work of the Canadian population [computer file] : 96 recensement : Srie dimensions : Lieu de travail de la population canadienne / Statistique Canada. Ottawa: Statistics Canada, 1999.

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Book chapters on the topic "SRIXE"

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Kohli, Shruti, B. P. Joshi, and Ela Kumar. "Mathematical Modelling of SRIRE Approach to Develop Search Engine Friendly Website." In Information Systems, Technology and Management, 341–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00405-6_38.

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Singh Kainth, Harpreet, Deeksha Khandelwal, Ranjit Singh, Gurjeet Singh, and Sanjiv Puri. "Role of Trace Elements in Breast Cancer and Their Characterization Using X-Ray Fluorescence Techniques." In Trace Elements and Its Effects on Human Health and Disease [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.95491.

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Breast cancer is the most common serious disease that occurs in the human body. Trace elements have an important function in biological and metabolism processes including activation or inhibition of enzymatic reaction, reactive oxygen species (ROS), competition between trace elements and metal proteins for binding positions and modifications in the permeability of cellular membranes which influence carcinogenic processes. A significant association between the abnormal concentration of trace elements and breast cancer has been found in many studies using XRF techniques like energy dispersive X-ray fluorescence (EDXRF), particle induced X-ray emission (PIXE), total reflection X-ray fluorescence (TXRF), wavelength dispersive X-ray fluorescence (WDXRF) and synchrotron induced X-ray fluorescence (SRIXE). This chapter considers trace elements like Fe, Cu, Zn, Cr, Cl, Ca, P, S, K, Na, Mg, Se, As and Sr. from the standpoint of their role as either inhibitory or causative agents of breast cancer. XRF techniques and sample preparation methods for analysis of biological samples are also reviewed.
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Singh Kainth, Harpreet, Deeksha Khandelwal, Ranjit Singh, Gurjeet Singh, and Sanjiv Puri. "Role of Trace Elements in Breast Cancer and Their Characterization Using X-Ray Fluorescence Techniques." In Trace Elements and Their Effects on Human Health and Diseases. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95491.

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Breast cancer is the most common serious disease that occurs in the human body. Trace elements have an important function in biological and metabolism processes including activation or inhibition of enzymatic reaction, reactive oxygen species (ROS), competition between trace elements and metal proteins for binding positions and modifications in the permeability of cellular membranes which influence carcinogenic processes. A significant association between the abnormal concentration of trace elements and breast cancer has been found in many studies using XRF techniques like energy dispersive X-ray fluorescence (EDXRF), particle induced X-ray emission (PIXE), total reflection X-ray fluorescence (TXRF), wavelength dispersive X-ray fluorescence (WDXRF) and synchrotron induced X-ray fluorescence (SRIXE). This chapter considers trace elements like Fe, Cu, Zn, Cr, Cl, Ca, P, S, K, Na, Mg, Se, As and Sr. from the standpoint of their role as either inhibitory or causative agents of breast cancer. XRF techniques and sample preparation methods for analysis of biological samples are also reviewed.
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Karahanna, Elena, Roberto Evaristo, and Mark Srite. "Cross-Cultural Research in MIS." In Encyclopedia of Information Science and Technology, First Edition, 640–44. IGI Global, 2005. http://dx.doi.org/10.4018/978-1-59140-553-5.ch113.

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“Globalization of business highlights the need to understand the management of organizations that span different nations and cultures” (Srite et al., 2003, p. 31). In these multinational and transcultural organizations, there is a growing call for utilizing information technology (IT) to achieve efficiencies, coordination, and communication. However, cultural differences between countries may have an impact on the effectiveness and efficiency of IT deployment. Despite its importance, the effect of cultural factors has received limited attention from information systems’ (IS) researchers. In a review of cross-cultural research specifically focused on the MIS area (Evaristo, Karahanna, & Srite, 2000), a very limited number of studies were found that could be classified as cross-cultural. Additionally, even though many of the studies found provided useful insights, raised interesting questions, and generally contributed toward the advancement of the state of the art in its field, with few exceptions, no study specifically addressed equivalency issues central to measurement in cross-cultural research. It is this methodological issue of equivalency that is the focus of this article.
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Conference papers on the topic "SRIXE"

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Aïvodji, Ulrich Matchi, Kévin Huguenin, Marie-José Huguet, and Marc-Olivier Killijian. "SRide." In WiSec '18: 11th ACM Conference on Security & Privacy in Wireless and Mobile Networks. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3212480.3212483.

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