effects of global atmospheric stressors on ecosystem processes
Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 4 potx
... procedures consist of an estimation of the environmental concentration, on the one hand, and the experimental determination of a no-effect concentration (NOEC) of the pharmaceutical on the other ... had adverse effects on the growth of green algae However, these concentrations are far beyond environmental relevance The effects of growth inhibition observed at high concentrations could also ... Gadofosveset trisodium * + Measured Concentrations in the Acute Toxicity Tests on Fish [% of the Nominal Concentrations] Measured Concentrations in the Acute Toxicity Tests on Waterflea [% of...
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Báo cáo hóa học: " Carbon-coated iron oxide nanoparticles as contrast agents in magnetic resonance imaging" potx
... relaxation MR signal intensity as a function of the time of inversion is shown for two representative concentrations of nanoparticles The T1 relaxation in the 0.427-mM sample was faster than that of ... spin-spin relaxation process [T2] contrast agent in MRI We studied the T1 and T2 relaxations of hydrogen protons in water molecules in an aqueous solution of carbon-coated iron oxide nanoparticles ... a solution of 0.5 M glucose for h with sonification During this process, carbon was coated onto the surfaces of the nanoparticles The solution was dried in a vacuum oven filled with argon gas...
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Formulation of superparamagnetic iron oxides by nanoparticles of biodegradable polymer for magnetic resonance imaging (MRI)
... Polymerization of monomers Polymerization includes emulsion polymerization and interfacial polymerization Emulsion polymerization builds up a chain of polymers from single monomers When the monomer-contained ... s-1) in the presence of the contrast agent, R0 is the relaxation rate in the absence of the contrast agent and C is the contrast agent concentration (mM) The constant of proportionality, r is the ... mixtures of them with different concentrations of blank PLGA-mPEG nanoparticles 53 Figure 7.1 Biodistribution of iron in various organs (1 hr after injection) 57 Figure 7.2 MR imaging of the livers of...
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Báo cáo y học: "Voxel-based structural magnetic resonance imaging (MRI) study of patients with early onset schizophrenia" potx
... result, the effects of IQ on the findings can be taken as minimal, especially with respect to the regional brain changes Third, the effect of medication was not considered when regional brain ... reliability of the KID-SCID In Scientific Proceedings of the 44th Meeting of the American Academy of Child and Adolescent Psychiatry Washington, DC: AACAP; 1997:172-173 Office of Population Censuses ... When the assumptions of the parametric methods are not guaranteed, the non-parametric methods provide the only analysis that can be considered valid and exact As the distribution of the structural...
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Báo cáo y học: "Cartilage markers and their association with cartilage loss on magnetic resonance imaging in knee osteoarthritis: the Boston Osteoarthritis Knee Study" doc
... marker of synthesis [2] That study had a number of major limitations, including the control subjects having no radiographic evaluation, incomplete evaluation of OA subjects, and only 12 months of ... chondrocytes Arthritis Rheum 1998, 41:997-1006 Sharif M, Kirwan JR, Elson CJ, Granell R, Clarke S: Suggestion of nonlinear or phasic progression of knee osteoarthritis based on measurements of ... milliseconds and time to echo [TE] 20/80 milliseconds) with a slice thickness of mm, a 1-mm interslice gap, excitation, a field of view (FOV) of 11 to 12 cm, and a matrix of 256 × 192 pixels and coronal...
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Magnetic resonance imaging techniques for contrast enhanced cellular and molecular imaging
... (B) Off-resonance RF excitation schematic 3.3 Proof-in-principle of off-resonance imaging at 9.4 T 3.4 Physical principle of IRON 3.5 Simulation to illustrate negative and positive contrast of ... dextran-coated iron-oxide nanoparticles IRON inversion recovery with on- resonant water suppression MPIO micron-sized iron-oxide particles MRI magnetic resonance imaging MRS magnetic resonance spectroscopy ... production rate, before ischaemia, upon reperfusion and 30mins post-reperfusion 4.15 T1 measurement and flip angle calibration of sinc pulse for chemical shift imaging of metabolites, upon dissolution...
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Báo cáo y học: "Autologous chondrocyte implantation for cartilage repair: monitoring its success by magnetic resonance imaging and histology" ppt
... elongated and often more numerous Vascularisation and mineralisation were identified on H&E-stained sections, mineralisation being confirmed where necessary with von Kossa stain For comparison ... implantation of autologous chondrocytes J Bone Joint Surg Br 1999, 81:10641068 Harrison PE, Aston IK, Johnson WEB, Turner SL, Richardson JB, Ashton BA: The in vitro growth of human chondrocytes ... and contour of the articulating surface, the degree of metachromasia with safranin O staining, the extent of chondrocyte cluster formation, the presence of vascularisation or mineralisation in...
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báo cáo khoa học: " N-hexanoyl chitosan stabilized magnetic nanoparticles: Implication for cellular labeling and magnetic resonance imaging" pps
... addition of 0.1 M of NaOH with strong agitation, yielding gel slurry After addition of 0.02 M of fatty acyl chloride (hexanoyl chloride, FW = 134.61, d = 0.978 g/ml), the resultant solution was ... Stabilization of iron oxide nanoparticles (MC-IOPs) Polymer (5.0 ml of 0.33% of N-hexanoyl chitosan solutions or MC) was added to the dispersion of the nanoparticles (100 mg) (the dispersion was ... evaluated in comparison with control cells Cells were incubated for additional 24 h after the addition of defined concentration of MC-IOPs The mixture was replaced with fresh medium containing 10% FBS...
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Báo cáo y học: "Cerebral misery perfusion diagnosed using hypercapnic blood-oxygenation-level-dependent contrast functional magnetic resonance imaging: a case report" potx
... to a loss of consciousness On each occasion he demonstrated good recovery of physical function although subtle cognitive impairment was noted by serial mini-mental state examination on subsequent ... accumulation of new ischaemic events on repeat MRI, along with the demonstrated cerebral haemodynamic impairment, raises the possibility that our patient’s seizures were a consequence of ongoing ... perfusion and emerging imaging techniques have provided justification for a reevaluation of EC-IC bypass Further support has come from imaging studies Page of demonstrating the resolution of CMP...
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Báo cáo y học: "Diffusion-weighted magnetic resonance imaging for predicting the clinical outcome of comatose survivors after cardiac arrest: a cohort study" pptx
... collaboration with International Liaison Committee on Resuscitation: Guidelines 2000 for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care: International Consensus on Science Circulation ... positioned on the predefined locations (Figure 1) The colour shades were used on the ADC maps to visualise the degree of ADC decrease Regions of low ADC showed a blue colour; in contrast, regions of ... larger number of patients are needed to confirm this Second, ROIbased analysis was done on the confined areas that showed diffusion restriction If the patients had segmental infarction with a low...
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Microgel iron oxide nanoparticles for tracking of stem cells through magnetic resonance imaging
... distribution curves of M750 from repeated measurements of one sample 166 Figure 41: Example of a plot of relaxation rates against concentration to determine relaxivity The gradient of CPMG relaxation ... measurements of one sample 165 Figure 38: DLS distribution curves of M400 from repeated measurements of one sample 165 Figure 39: DLS distribution curves of M600 from repeated measurements of one ... 181 Figure 49: Intracellular iron as a function of labelling concentration As iron concentration in the labeling medium was increased, the iron loading of the cells were increased and the...
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Tài liệu Magnetic resonance imaging and gynecological devices doc
... silicone or glass devices MR Conditional: devices presenting no risks in MRspecific environments, under specific use conditions Field conditions that define the MR environment characterization ... introduction of several contraceptive methods, some of which include metallic components In this review, we assessed the available information regarding the application of MRI on women who use some of ... prolonged release of etonogestrel allows for contraceptive effectiveness of up to years [16] The absence of metallic elements and its plastic composition both justify the classification of Implanon...
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Tài liệu Functional Magnetic Resonance Imaging – Advanced Neuroimaging Applications Edited by Rakesh Sharma doc
... activation of associative cortices; atypical, higher-level associative cortex activation to make decision on recovery of consciousness and other neuro dysfunctions Limit of resolution and detection ... long-term follow-up Conceptually, surgical approaches of the fontal lobe (frontopolar, of the convexity, central, orbitofrontal and SMA) must be considered separately and not as one sole group In ... be one of the most useful pieces of information fMRI could extract, while most studies state prognosis as one of the main goals of fMRI research in disorders of consciousness In this direction,...
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Báo cáo hóa học: " Adenoviruses with an avb integrin targeting moiety in the fiber shaft or the HI-loop increase tumor specificity without compromising antitumor efficacy in magnetic resonance imaging of colorectal cancer metastases" pdf
... Lavilla-Alonso et al Journal of Translational Medicine 2010, 8:80 http://www.translational-medicine.com/content/8/1/80 administration of unmodified adenovirus vectors to mice leads mainly to infection ... baseline image of each mouse taken before tumor implantation Daily volumes of hepatic Lavilla-Alonso et al Journal of Translational Medicine 2010, 8:80 http://www.translational-medicine.com/content/8/1/80 ... expression of Ad5 control virus AdTL Each data point represents the mean of three replicates ± SEM Lavilla-Alonso et al Journal of Translational Medicine 2010, 8:80 http://www.translational-medicine.com/content/8/1/80...
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báo cáo hóa học:" Dynamic magnetic resonance imaging in assessing lung function in adolescent idiopathic scoliosis: a pilot study of comparison before and after posterior spinal fusion" doc
... Instrumentation consisted of three types (a) cases of Harrington rod on concave side, Luque rod on convex side and Wisconsin wire for the instrumented spinous processes (b) cases of ISOLA instrumentation ... for both short and long term follow up of pulmonary function of AIS patients, in particular, for assessing post operative changes References Conclusion With the application of ultrafast dynamic ... difference between inspiration and expiration Figure Measurement of diaphragmatic heights on the reformatted coronal image Measurement of diaphragmatic heights on the reformatted coronal image (a) At maximal...
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Báo cáo hóa học: "Research Article Independent Component Analysis for Magnetic Resonance Image Analysis" pot
... functional magnetic resonance imaging (fMRI) which is a method that provides functional information of MR images in time series as a temporal function [17] Recently, a new application of ICA ... substances as pigeons flying into pigeon holes In light of this interpretation, L and p represent the number of pigeon holes and number of brain substances to be classified, respectively, where one spectral ... correct side of the decision surface specified by the hyperplane On the other hand, if ξ i > 1, the ith data sample vector x i falls on the wrong side of its decision surface In light of the mathematical...
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Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 1 ) pptx
... rights reserved Usage subject to terms and conditions of license 84 132 150 162 164 166 168 Contents VIII Pelvis MRI MRI MRI MRI MRI MRI MRI of of of of of of of the the the the the the the Female ... Usage subject to terms and conditions of license IV Library of Congress Cataloging-in Publication Data is available from the publisher Translation of heart section: Barbara Herzberger, MD, Munich, ... photostat reproduction, copying, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage 12345 Moeller, Sectional Anatomy © 2007...
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Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 2 ) doc
... to terms and conditions of license 163 164 MR Angiography of the Coeliac Trunk Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of license MR ... nodes Common iliac lymph nodes Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of license 140 MRI of the Abdomen 35 36 37 38 39 —— = Peritoneum ... Common iliac lymph nodes Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of license 141 142 MRI of the Abdomen 36 37 38 39 40 41 42 —— = Peritoneum...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam 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 của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 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 chỉ tiêu chất lượng 9 tr 25