radiotherapy heavy ions and electrons
Báo cáo khoa học: "In vitro characterization of cells derived from chordoma cell line U-CH1 following treatment with X-rays, heavy ions and chemotherapeutic drugs" pdf
... LET heavy- ions A) X-rays and carbon -ions (LET 13, 30, 50, and 70 keV/μm), B) X-rays and neon -ions (LET 13, 70, and 120 keV/μm), C) X-rays and silicon -ions (LET 55, 150, and 250 keV/μm), and D) ... carbon -ions, black triangle; neon -ions, black diamond; silicon ions, white diamond; argon -ions, and white circle; iron -ions Page of control chordoma easily, although the location and the size could be a ... 0.5 cm of Al and Cu filter (Shimadzu, Japan) Heavy ion treatment was performed by HIMAC (Heavy Ion Medical Accelerator in Chiba) The accelerated ions used in this study were carbon ions (290 MeV/n),...
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Báo cáo y học: "Trace Elements, Heavy Metals and Vitamin Levels in Patients with Coronary Artery Diseas"
... and trace elements and heavy metals (Zn, Cu, Fe, Cd, Pb and Mn) in patients with CAD and the control group are shown in Table Compared with the control group, serum concentrations of retinol, tocopherol, ... and serum cholesterol levels were not significantly different in patients with and without CAD (Table 1) Comparisons of the levels of the vitamins (retinol, tocopherol and cholecalciferol), and ... levels and mortality Arch Intern Med 2002; 162: 2443-2449 31 Rock E, Winklhofer-Roob BM, Ribalta J, et al Vitamin A, vitamin E and carotenoid status and metabolism during ageing: functional and...
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Báo cáo khoa học: b-Amyloid protein oligomers induced by metal ions and acid pH are distinct from those generated by slow spontaneous ageing at neutral pH docx
... non-SDS/PAGE was strongly inhibited by Zn2+ and Cu2+, weakly inhibited by Ca2+ and Fe2+ and largely unaffected by Mg2+ Effect of pH and metal ions – CR binding and sedimentation analysis Because of ... solutions containing Zn2+ and Cu2+ decreased rapidly indicating that the induced aggregates were unstable and dissociated after chelation of the metal ions A further addition of 10 mM Zn2+ and ... Solutions were vortexed briefly and then incubated at room temperature for 15 Absorbance values at 403 and 541 nm were recorded for samples and CR alone preparations using a Bio-Rad SmartSpec...
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asphaltenes, heavy oils, and petroleomics
... dedicated to all those scientists and technologists who have and will become enthralled and enchanted by the wiles of the asphaltenes and heavy oils, and to the families and friends of our fold who ... Asphaltene Precipitation and Deposition Models Experimental Methods and Limitations Phase Behavior Observations and Issues 5.1 Heavy Oil 5.2 Heavy Oil + Solvent Mixtures ... (emulsion stability, foaming heavy oil), corrosive tendencies, acid and base numbers and perhaps even commingling phase Petroleomics and Structure–Function Relations of Crude Oils and Asphaltenes 15 stability...
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The influence of NO 3 −, CH3COO−, and cl− ions and the morphology of calcium hydroxyapatite crystals
... obtained Different sizes and shapes of the crystals can be explained by different interactions of hydroxyapatite with the anions of the initial salts: adsorption of acetate anions on the HA surface, ... chloride ions for the hydroxyl groups of HA, and “inertness” of nitrate anions The thermal treatment of the samples at 500–1100°C for h led to the formation of faceted crystallites and an increase ... groups (up to wt %) [3] The presence of the absorption bands of nitrate and acetate groups can be explained by adsorption of the corresponding ions on the surface of HA crystals Further annealing...
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báo cáo hóa học:" Serum heavy metals and hemoglobin related compounds in Saudi Arabia firefighters" pot
... (firefighters and the general population) were surveyed in four cities for urine heavy metal concentrations Arsenic and cadmium levels were significantly related to smoke exposure, and for firefighters, ... carboxyhemoglobin, (COHb) and serum ferritin levels were statistically significantly elevated in Jeddah firefighters, (p < 0.005 and p < 0.05 respectively) and Yanbu firefighters, (p < 0.005 and p < 0.001 ... other hand, serum total iron binding capacity, (TIBC) and unbound iron binding capacity, (UIBC) were statistically significantly elevated in Jeddah firefighters, (p < 0.005 and p < 0.005) and normal...
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Báo cáo khoa học: "Semi-robotic 6 degree of freedom positioning for intracranial high precision radiotherapy; first phantom and clinical results" potx
... beginning of CBCT1 and CBCT2 acquisitions, respectively Deviations are reported as described by van Herk [21]; for each patient, the mean (systematic error) and standard deviation (SD; random error) ... < ± 2° Note how the head is manipulated with one hand, the mechanical arm with the other hand The required infraredbased translations and rotations are read off the treatment room iGuide screen, ... head to within ± mm and ± 2° before allowing a robotic, 6DoF treatment couch to complete the remaining required rotations and translations to within the system accuracy of 0.1 mm and 0.1° We thus...
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Báo cáo khoa học: "F-FDG PET/CT-based gross tumor volume definition for radiotherapy in head and neck Cancer: a correlation study between suitable uptake value threshold and tumor parameters" pdf
... locations and values of SUVmax for all the primary tumors This procedure is routinely used on the PET/CT workstation for diagnostic readings, and it allows for definition of threshold level and ... and FDG-PET in HNC patients [26], including visual GTV, 40% and 50% of SUVmax, an absolute SUV of 2.5, and an adaptive threshold based on the signal-to-background ratio The clinical implications ... Biomedical Imaging and Radiological Science, China Medical University, Taichung, Taiwan Authors’ contributions CHK and SWC are responsible for the study design, coordination and drafted the manuscript...
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Báo cáo khoa học: " Long term outcome of adolescent and adult patients with pineal parenchymal tumors treated with fractionated radiotherapy between 1982 and 2003 - a single institution’s experience" pot
... adolescent and adult patients with pineal parenchymal gland tumors treated with radiation therapy, to identify outcome, possible prognostic factors and patterns of failure in our patients Materials and ... histological diagnosis and classification While local radiotherapy of patients with pineocytoma seems to be safe and effective, intensification of treatment in some PPTID and pineoblastoma patients ... inconsistently, especially in the 1980s and early 1990s, and was therefore not available in most patients Time of disease progression was calculated from the end of radiotherapy treatment to the date...
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Báo cáo khoa học: "Study protocol of the German "Registry for the Detection of Late Sequelae after Radiotherapy in Childhood and " ppsx
... questions regarding the risks of radiotherapy in childhood and adolescence Methods/Design To overcome the described lack of information and to receive detailed data regarding the risk of radiotherapy ... characterized for the lungs, the heart, the liver and the kidneys In case of the thyroid gland and the testes, dose measurements have to be performed Surgery and chemotherapy are evaluated as well Toxicity ... each organ There is no need for additional examinations in follow-up because the toxicity evaluations refer to the standard follow-up examinations The study flow chart is given in Table The documentation...
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Báo cáo y học: "Myosin heavy chain and physiological adaptation of the rat diaphragm in elastase-induced emphysema" ppsx
... myosin heavy chain switching in rat muscle Acta Physiol Scand 1993, 147:227-234 Sugiura T, Matoba H, Miyata H, Kawai Y and Murakami N Myosin heavy chain isoform transition in ageing fast and slow ... AFJM and Goldspink G Comparison of the molecular, antigenic and ATPase determinants of fast myosin heavy chains in rat and human: a single-fibre study Pflugers Arch 1997, 435:151-163 Aubier M and ... Haenen GRMM and Dekhuijzen PNR Effects of emphysema and training on glutathione oxidation in the hamster diaphragm J Appl Physiol 2000, 88:2054-2061 Farkas GA and Roussos C Histochemical and biochemical...
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Surface modification of ferromagnetic nanoparticles for separation of toxic heavy metals and environmental applications
... 3.3.1 Adsorption and desorption of As(V) and Cr(VI) ions onto PPhSi-MNPs 73 3.3.2 Adsorption and desorption of heavy metal ions onto CDpoly-MNPs 74 3.3.3 Adsorption of acid blue 25 and Pb2+ onto ... 2.5 Heavy metals and its pollution 19 2.5.1 Sources of heavy metal pollution and its effects 22 2.6 Cyclodextrin and its classification 29 2.7 Ionic liquids (Ils) and ... strength and temperature on the adsorption of Pb2+, Cd2+ and Ni2+ ions onto CDpoly-MNPs, (d)-(f) the adsorption isotherm of Pb2+, Cd2+ and Ni2+ ions in single-component system onto uncoated MNPs and...
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INTERACTION STUDIES BETWEEN IONS AND PROTEINS AT PHYSIOLOGICALLY RELEVANT CONCENTRATIONS
... functions ranging from neural development (Flanagan and Vanderhaeghen, 1998; O’Leary and Wilkinson, 1999; Xu et al 1999) to pattern formation and morphogenesis (Holder and Klein, 1999; Schmucker and ... of the interactions between anions and unstructured proteins; To study the characteristics of the interactions between anions and well-folded protein WW4 23 Chapter Materials and Methods 24 2.1 ... curve fitting and data plotting software (Oakdale Engineering) The ions were treated as ligand and the protein and the ions form equilibrium: P+L PL Thus at a given set of conditions: [ ][ [ ]...
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Membrane development for metal ions and anions separation
... σ and P of various concentrations of CuCl2 and CuSO4 determined from the Spiegler–Kedem equations σ and P of various concentrations of CuCl2 and CuSO4 determined from the Spiegler–Kedem equations ... arsenate and borate ions and typical heavy metal cations, e.g copper ions, reveal that the PBI NF membrane exhibits better rejection performance for various ion removal Their rejections are strongly ... removal of both cations and anions General conclusions drawn from this thesis are summarized in Chapter Five Inclusive in this ending chapter are some recommendations and suggestions for future...
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Fact Sheet: intracity heavy rail and metro systems
... Roadmap for Asia and the Pacific : Fact Sheet - Intracity heavy rail and metro systems • • Lowest energy use and CO2 emission per person per kilometre of the mass transport options Major transit ... for maintenance and operation Requires exclusive right-of-way status.3 Construction on steep gradients is technically and financially difficult Limitations Due to the high capital and operational ... measures include densification of land use around stations, effective integration with existing transport modes and policies that can stimulate feeder services and good interchange facilities between...
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Insights into solid phase characteristics and release of heavy metals and arsenic from industrial sludge via combined chemical, mineralogical, and microanalysis
... battery and steel processing factory in the industrial park The electroplating sludge (sample SE) has the highest concentrations of As and HMs (Co, Cu, Mo, and Zn) and extremely high concentrations ... compositions of the phases Results reveal the presence of quartz (spots and 2, Table and Fig 2), phosphorus (spots 3, 4, 5, 6, 7, 12, and 13), and sulfur species Although some HMs (Cr, Ni, and Zn) ... Co, Cr, Cu, Mn, Mo, Ni, Pb, and Zn by ICP-OES whereas the other part was not acidified, and stored in cool and dark conditions until anion (F−, Cl−, SO42−, S2O32−, and PO43−) analysis by ion chromatography...
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Investigation on K2Ti4O9 Whisker Absorbent and Applications in Heavy Metal Ions Removal
... Water and Environment Technology, Vol.5, No.1, 2007 RESULTS AND DISCUSSION Absorption behavior of PTW Fig shows the relationship between the quantity of PTW and the adsorption efficiency of Pb2+ and ... of the metallic ions in water, as the quantity of absorbent (PTW) increases, the active sites of the absorbent increases, which results in more metallic ions absorbed and less ions remain in water ... the ion size and the separation coefficient of PTW on these two ions [3] - 14 - Journal of Water and Environment Technology, Vol.5, No.1, 2007 The effect of time on absorption of Pb2+ and Cd2+ on...
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Development of multifunctional membranes for visual detection and adsorptive removal of heavy metal ions from aqueous solutions
... detection and removal of heavy metal ions was feasible and achievable The prepared multifunctional membranes can detect and remove heavy metal ions in a wide variation of solution conditions, and the ... individual Hg(II) and HA solutions; sequential adsorption and filtration of individual Hg(II) and HA solutions; co-adsorption and co-filtration of solutions containing both Hg (II) and HA The results ... detection and adsorptive removal of heavy metal ions from aqueous solutions, which will have significant importance in heavy metal pollution control and remediation 1.2 Research objectives and scopes...
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Study properties and mechanisms adsorption heavy metal ions on materials made from red mud
... refining process and study the nature and mechanism of heavy metal ions adsorbed on the materials Materials from sludge particles has solved two difficult problem that's: - Handling of red mud ... areas and villages The aim of the thesis Manufacture new adsorbent from waste sludge, industrial mining and processing of bauxite research nature and mechanism of adsorption of heavy metal ions ... mechanisms of heavy metal ions above and As(V) by density-functional method The significance of science and practical subjects - Adsorbent beads made from waste sludge in industrial mining and processing...
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Tìm thêm: xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008