... Gd–DTPA2– and Gd(HP-DO3A) produced no lethality up to 200 g/L, and Gd(CPA-DO3A)– produced lethality of 17% and 31% at 24-hour exposures of 100 g/L and 200 g/L.34 The toxicity of metals and their ... 1000.0 mg/L in case of gadobutrol and gadoxetic acid disodium, 100 mg/L in case of dimeglumine gadopentetate, and 1000 mg/L in case of gadofosveset trisodium) Mortalities and visual abnormalities, ... compounds: dimeglumine gadopentetate and gadoxetic acid disodium); and 90 mg/L (test compound: gadofosveset trisodium) Samples for the concentration analysis of gadobutrol and gadoxetic acid disodium...
Ngày tải lên: 18/06/2014, 16:20
... function of the time of echo is shown for two representative concentrations of nanoparticles The T2 relaxation in the 4.27-mM sample was faster than that of the 0.427-mM sample Figure T1 and T2 ... the concentration of nanoparticles in the aqueous solution Figure represents the plots of Ti and T2 as a function of the concentration of carbon-coated nanoparticles The slopes of the straight ... Reactions of VX, GD, and HD with nanosize CaO: autocatalytic dehydrohalogenation of HD J Phys Chem B 2000, 104:5118-5123 Jang HD, Kim SK, Kim SJ: Effect of particle size and phase composition of titanium...
Ngày tải lên: 20/06/2014, 23:20
Formulation of superparamagnetic iron oxides by nanoparticles of biodegradable polymer for magnetic resonance imaging (MRI)
... potential of the IO loaded NPs 38 Table 6.1 r1, r2 and r2* relaxivities of the IOs and the IO loaded PLGA-mPEG nanoparticles 50 viii List of Figures Figure 3.1 Schematic of the preparation of IO ... [54] The amount of iron loading (% w/w) was calculated as the ratio of the mass of iron (mg) that can be detected using ICP analysis to the sum of the mass of iron (mg) and the mass of polymer (mg) ... are the magnetization of the IOs and the diffusion of the water molecules in the surrounding medium Depending on the rate of diffusion of the water molecules and the size of IOs, they can be operating...
Ngày tải lên: 06/10/2015, 21:15
Báo cáo y học: "Voxel-based structural magnetic resonance imaging (MRI) study of patients with early onset schizophrenia" potx
... GS, and TT designed the study YY and TT contributed to recruitment of study subjects and MRI data collection HM and TT were involved in clinical evaluation of the participants and procedures of ... 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 and ... were mapped into the standard space of Talairach and Tournoux [38] by minimising the sum of the square intensity differences between each proton density image and a template and applying the derived...
Ngày tải lên: 08/08/2014, 23:21
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
... 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 and axial spin-echo fat-suppressed proton density- and T2weighted ... predictive of cartilage loss Materials and methods Study sample We conducted an analysis of data from the Boston Osteoarthritis of the Knee Study (BOKS), a completed natural history study of knee ... magnitude of effect of biomarkers was similar for men and women, we then performed the analysis adjusting for gender, age, and body mass index (BMI) Hypothesis 2: imbalance of cartilage synthesis and...
Ngày tải lên: 09/08/2014, 10:21
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 ... INTRODUCTION TO CELLULAR AND MOLECULAR IMAGING 1.1 Emergence of Cellular and Molecular Imaging The development of life is a proficiently orchestrated process of a myriad of distinctive molecules ... (41): [1] the physics and engineering of imaging techniques and instruments, [2] the chemical and materials science needs for designing imaging probes and contrast agents, and [3] the biological...
Ngày tải lên: 11/09/2015, 10:01
Báo cáo y học: "Autologous chondrocyte implantation for cartilage repair: monitoring its success by magnetic resonance imaging and histology" ppt
... hexane and stored in liquid nitrogen until studied ‘Control’ samples of articular cartilage and underlying bone were obtained from three individuals, two from ankles of patients (aged 10 and 13 ... slides and stained with haematoxylin and eosin (H&E) and safranin O (0.5% in 0.1-M sodium acetate, pH 4.6, for 30 s) for general histology, measurement of cartilage thickness, and assessment of metachromasia ... Details of individuals from whom biopsy specimens were obtained and their histology and MRI scores Patient and sample no Patient’s age at ACI (years) 20 20 25 28 Sex Interval between graft and biopsy...
Ngày tải lên: 09/08/2014, 01:21
báo cáo khoa học: " N-hexanoyl chitosan stabilized magnetic nanoparticles: Implication for cellular labeling and magnetic resonance imaging" pps
... morphology and ξ-potential analysis of MCIOPs The size and morphology of IOPs and MC-IOPs were observed by TEM (JEM-1230, JEOL, Japan) and HRTEM (QUANTA 200F, FEI, USA) The sample for TEM analysis ... synthesis of magnetic MC-IOPs The results of dynamic light scattering (DLS) measurements showed a uni-model size distribution of the nanoparticles The average sizes of the IOPs and MC-IOPs were 60 and1 00 ... Figure Chemical structure of chitosan and modified chitosan Chemical structure of chitosan and modified chitosan Page of (page number not for citation purposes) Journal of Nanobiotechnology 2008,...
Ngày tải lên: 11/08/2014, 00:22
Báo cáo y học: "Cerebral misery perfusion diagnosed using hypercapnic blood-oxygenation-level-dependent contrast functional magnetic resonance imaging: a case report" potx
... multicenter randomized trial of STA-MCA anastomosis with primary end-points of 30-day stroke mortality and stroke incidence A total of 1377 patients were recruited and 663 were randomized to receive ... accumulation of intracellular calcium and sodium and extracellular glutamate during acute ischemic injury Late seizures occurring after this time are thought to be a consequence of long-term scarring and ... obtained during periods of normocapnia and hypercapnia (during inhalation of 10% CO2) Using these images, CVR maps are generated, where an increase in BOLD signal is used as a marker of cerebral vasodilatory...
Ngày tải lên: 11/08/2014, 11:23
Báo cáo y học: "Diffusion-weighted magnetic resonance imaging for predicting the clinical outcome of comatose survivors after cardiac arrest: a cohort study" pptx
... duration and time between MRI and ROSC in both groups were compared by t-test and severe disability) were grouped as unfavourable outcomes; and the GOS scores of and (moderate disability and good ... three months after out -of- hospital cardiac arrest • The relationship between the GOS and the regional ADC values of the cortex and deep grey nuclei was observed, and cutoffs of ADC values discriminated ... predicted the unfavourable outcome with sensitivities of 67 to 93% and a specificity of 100% In particular, the cutoffs of the occipital cortex and putamen produced the highest accuracy (Table 5)...
Ngày tải lên: 13/08/2014, 20:21
Microgel iron oxide nanoparticles for tracking of stem cells through magnetic resonance imaging
... measurements of one sample 164 Figure 36: DLS distribution curves of M250 from repeated measurements of one sample 164 Figure 37: DLS distribution curves of M300 from repeated measurements of one sample ... Multi-Lineage Differentiation of Labelled fMSC 185 4.5 Microarray Analysis of Labelled fMSC 187 4.5.1 Development and Analysis of Microarray Data 187 4.6 Uptake of MGIO by EPC ... of Ferucarbutran from repeated measurements of one sample 163 Figure 34: DLS distribution curves of M100 from repeated measurements of one sample 163 Figure 35: DLS distribution curves of...
Ngày tải lên: 14/09/2015, 08:49
Tài liệu Magnetic resonance imaging and gynecological devices doc
... be associated to several levels of distortion in the surrounding tissue [5] The size and shape of the artifact depend on the size, shape, orientation and nature of the metal, as well as the sequences ... Raritan, NJ, USA) and a Cu-IUD (Cu-7; Searle Pharmaceuticals, Chicago, IL, USA) in order to assess the possible occurrences of movement, IUD temperature increase and generation of image artifacts ... Zieman and Kanal [13] reassessed the usage safety of the ParaGard® CuT380A IUD on a 3.0-T MRI system The results obtained by the different authors corroborated and supported those of Mark and Hricak's...
Ngày tải lên: 13/02/2014, 07:20
Tài liệu Functional Magnetic Resonance Imaging – Advanced Neuroimaging Applications Edited by Rakesh Sharma doc
... efforts of governmental, industrial and academic institutions globally Regardless of the MRI systems and the brands used, one should always be able to understand and justify the use of the right ... the third and fourth parvocellular layers (Calkins & Hendry, 1996) Layers and have on-center receptive fields, and layers and have off-center receptive fields Layers and have both on- and off- center ... rate of hand movements for both patients and controls Preface fMRI data analysis is done by SPM99 software to realign, normalize and spatially smoothen the images using a Gaussian kernel of mm...
Ngày tải lên: 19/02/2014, 23:20
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
... Haartman Institute and Finnish Institute of Molecular Medicine, University of Helsinki, Finland 2HUSLAB, Helsinki University Central Hospital, Finland 3Department of Obstetrics and Gynecology, Duesseldorf ... MR images was done by JH and SLA and quantification of tumor volumes and subsequent analysis of the data by SLA Statistical calculations were performed by SP SLA, TT and SP analyzed the data, ... determining the faith of systemically administered adenoviral vectors in vivo Also the use of different animal and tumor models makes the interpretation and comparison of results complicated and it is not...
Ngày tải lên: 18/06/2014, 16:20
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
... contributed to conception and design of the manuscript Particularly, WCWC and BKWN carried out the analysis of data and wrote the manuscript; AML and TPL contributed to the editing of the manuscript, ... http://www.josr-online.com/content/2/1/20 Figure Measurement of AP and TS diameter of the chest wall on the reformatted axial image Measurement of AP and TS diameter of the chest wall on the reformatted axial ... statistical software (Release 13, SPSS Inc., Chicago, Illinois) was used in the analysis Results The spatial resolution of the reformatted axial and coronal images of the chest was considered to be of...
Ngày tải lên: 20/06/2014, 01:20
Báo cáo hóa học: "Research Article Independent Component Analysis for Magnetic Resonance Image Analysis" pot
... GM, and CSF are also shown in Figures 12(b) and 12(c), 13(b) and 13(c), and 14(b) and 14(c) where both classifiers used the same 20 training samples selected for each of three substances and background ... illustrates the concept of the SVM where two classes of data sample vectors determined by (6) are denoted by Ω+ and Ω− consisting of “open circles” and “crosses”, respectively, and the vectors satisfying ... quantification results of GM, WM, and CSF using ICA in conjunction with classifiers FLDA and SVM in Figures 5–7, and Table tabulates quantification results of GM, WM, and CSF using classifiers FLDA and SVM alone...
Ngày tải lên: 21/06/2014, 22:20
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 ... terms and conditions of license CT of the Thorax 36 37 38 39 40 41 42 1/2 —— = Borders of lung segments Right Lung Apical segment of upper lobe Posterior segment of upper lobe Anterior segment of ... is illegal and liable to prosecution This applies in particular to photostat reproduction, copying, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic...
Ngày tải lên: 29/06/2014, 09:21
Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 2 ) doc
... terms and conditions of license 165 166 MR Angiography of the Splenic and Portal Veins Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of license ... to terms and conditions of license 148 MRI of the Abdomen 28 29 30 31 —— = Peritoneum Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of license ... terms and conditions of license 150 MRI of the Abdomen 31 (Numbers indicate liver segments) Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of...
Ngày tải lên: 29/06/2014, 09:21