magnetic resonance in bulk matter nmr
magnetic anisotropies in nanostructured matter, 2009, p.303
Ngày tải lên :
04/06/2014, 14:26
... without intent to infringe Library of Congress Cataloging -in- Publication Data Weinberger, P (Peter) Magnetic anisotropies in nanostructured matter / Peter Weinberger p cm (Series in condensed matter ... in turn As an example simply consider the magnetic moments in bulk Fe and for Fe(100) In the bulk case (innite system) in each unit cell the same magnetic moment pertains, while in the semi-innite ... Ag(100) 13.2 Finite wires & chains of magnetic atoms 13.2.1 Finite chains of Co atoms on Pt(111) 13.2.2 Finite chains of Fe on Cu(100) & Cu(111) 13.3 Aspects of non-collinearity ...
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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
Ngày tải lên :
18/06/2014, 16:20
... Replicating viruses WT -Replicating wild type virus WT-RGD -RGD insertion in HI loop of fiber knob for avb integrin targeting [43] WT-RGDK -Fiber shaft’s KKTK domain mutated to RGDK for avb integrin ... wet in iodine-polividone solution (Betadine®; Leiras, Helsinki, Finland) in order to remove extravasated cells and ensure hemostasis The peritoneum and skin were closed in a single layer using ... 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...
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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
Ngày tải lên :
20/06/2014, 01:20
... neurologically normal on detail clinical examination Exclusion criteria included history of back injury, weakness or numbness in one or more limbs, urinary incontinence or nocturnal enuresis None ... to feeling of breathlessness during exercise activities in ascending order of severity Score 7–9 was equivalent to feeling of breathlessness at gentle exertion such as walking in ascending order ... WW, Cheng JC: Dynamic magnetic resonance imaging in assessing lung volumes, chest wall, and diaphragm motions in adolescent idiopathic scoliosis versus normal controls Spine 2006, 31(19):2243-2249...
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Báo cáo hóa học: " Carbon-coated iron oxide nanoparticles as contrast agents in magnetic resonance imaging" potx
Ngày tải lên :
20/06/2014, 23:20
... agents in magnetic resonance imaging [MRI] [10-13] The carbon coating provides an effective oxidation barrier and prevents corrosion in magnetic core materials Hydrophilic carbon coating on iron ... is shown in Figure In MRI, the signal recorded during the scan is related to the magnetic relaxation processes of the nuclear spins of the protons in the water molecules in the area of interest ... bonding of carbon on the nanoparticle surfaces was checked by noting the C=O and C=C vibrations in Fourier transform infrared spectra The spin-lattice relaxation process [T1] and spin-spin relaxation...
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Báo cáo y học: "Functional magnetic resonance imaging (fMRI) of attention processes in presumed obligate carriers of schizophrenia: preliminary findings" ppsx
Ngày tải lên :
08/08/2014, 23:21
... periods of sustained attention In the POCs, significantly increased activity was found in the following regions during sustained attention trials compared to rest (listed in descending order of ... orienting dysfunction during salient novel stimulus processing in schizophrenia Schizophr Res 2005, 75:159-171 Nuechterlein KH, Dawson ME: Information processing and attentional functioning in the ... anatomy while maintaining any geometric distortion inherent within the echo-planar imaging (EPI) methodology Because slight subject motion during image acquisition can cause changes in T2-weighted...
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Báo cáo y học: "Dynamic magnetic resonance of the wrist in psoriatic arthritis reveals imaging patterns similar to those of rheumatoid arthritis" pps
Ngày tải lên :
09/08/2014, 06:22
... was examined In patients with equal involvement of the wrists, and in normal controls, the right wrist was examined Patients and controls were instructed to avoid intense activity involving the ... in terms of age, disease duration, and number of involved joints, was considered (group II) These patients were identified in ongoing follow-up studies Because of difficulties in matching, nine ... between indexes of severity and dynamic MRI in either PsA and RA This last finding is surprising in view of our previous results on the high correlation between clinical and laboratory indexes...
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Báo cáo y học: "Magnetic resonance imaging changes of sacroiliac joints in patients with recent-onset inflammatory back pain: inter-reader reliability and prevalence of abnormalities" potx
Ngày tải lên :
09/08/2014, 07:20
... to the inflammatory and structural findings Readers agreed on the presence of inflammation at any site in 85% of the cases in the right SI joint, and in 78% of the cases in the left SI joint Kappa ... reflecting the agreement for detecting inflammation were reasonable (right SI joint, 0.68; left SI joint, 0.51) Table also provides insight into the prevalence of the various findings in this ... of interest in an ongoing ASAS-OMERACT working group [13] Conclusion 10 MRI can reliably detect inflammation and structural changes in SI joints in patients with early inflammatory back pain...
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Báo cáo y học: "proximal interphalangeal joints in rheumatoid arthritis: a comparison with magnetic resonance imaging, conventional radiography and clinical examination" pdf
Ngày tải lên :
09/08/2014, 07:20
... the MRI finding of erosions in the finger joints is that Table Signs of inflammation on ultrasonography versus clinical joint assessment in finger joints Signs of inflammation US + clinical assessment ... MRI, magnetic resonance imaging; US, ultrasonography MRI did not permit visualization of joint effusion in RA finger joints, probably because of the minimal amount of fluid in the examined joints, ... plain film radiography in assessing bone destruction in the examined joints, and had equal specificity B-mode ultrasonography was more sensitive than clinical examination in assessing signs of inflammation,...
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Báo cáo y học: "Magnetic resonance imaging in psoriatic arthritis: a review of the literature" pdf
Ngày tải lên :
09/08/2014, 07:20
... patients (including four with PsA), and similar findings were described, again often including underlying bone marrow oedema [15] However, Jevtic and coworkers [12], describing magnetic resonance ... [4] included 15 PsA patients in their study of MRI, ultrasound and scintigraphy of the finger joints, nine of whom were described as having MRI erosions Some of these were ‘nonenhancing’ following ... 48:1374-1384 Offidani A, Cellini A, Valeri G, Giovagnoni A: Subclinical joint involvement in psoriasis: magnetic resonance imaging and Xray findings Acta Derm Venereol (Stockh) 1998, 78:463-465 Olivieri...
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Báo cáo y học: "Are bone erosions detected by magnetic resonance imaging and ultrasonography true erosions? A comparison with computed tomography in rheumatoid arthritis metacarpophalangeal joints" pptx
Ngày tải lên :
09/08/2014, 08:22
... seen on US in all healthy control individuals (eight quadrants in three MCP joints in one person, and in one quadrant each in the remaining three persons) The concordance between readings by the ... (19%) in detecting bone erosions in RA MCP joints compared with CT This finding verifies that radiography, possibly because of its two-dimensional visualization of the joint, is insensitive in detecting ... questioned [26] In this study MRI findings were in very good agreement with findings from the applied highresolution three-dimensional tomographic X-ray modality (that is, CT findings), even in regions...
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Báo cáo y học: "Correlation of histopathological findings and magnetic resonance imaging in the spine of patients with ankylosing spondylitis" potx
Ngày tải lên :
09/08/2014, 08:22
... and inferior articular processes of the zygapophyseal joint; hash sign, processus spinosus) (b) Hematoxylin and eosin staining of the zygapophyseal joint, revealing numerous mononuclear cells in ... thoracic spine was analyzed for increased signals in T2-weighted sequences Table Correlation of histopathological findings and magnetic resonance imaging Patient no HLA-B27 Edema (%) Cellular infiltration ... plus signs, superior and inferior articular processes of the zygapophyseal joint; hash sign, processus spinosus) (b) Hematoxylin and eosin staining, revealing dense infiltrations of mononuclear...
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Báo cáo y học: "Functional magnetic resonance imaging findings in fibromyalgia" potx
Ngày tải lên :
09/08/2014, 08:23
... These findings suggest that pain catastrophizing exerts influence on pain processing that is independent of the influence of depression and supports the hypothesis that catastrophizing influences ... pressure in the patients than controls), produced similar increases in neural activity in a network of brain structures implicated in pain processing (Figure 1) These increases were observed in structures ... brain regions that may be involved in this augmentation Advances in design and new imaging technologies promise to further increase our understanding of the mechanisms that initiate and maintain...
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Báo cáo y học: "Risk factors associated with the loss of cartilage volume on weight-bearing areas in knee osteoarthritis patients assessed by quantitative magnetic resonance imaging: a longitudinal study" pot
Ngày tải lên :
09/08/2014, 10:20
... symptoms, including worsening of pain at 24 months Competing interests JFB, GAC, and JMM declare that they have financial competing interests as employees of and/or holders of stocks and/or options in ... patients to be included in a clinical trial It also raises the important issue of the relevance of performing patient stratification at baseline during clinical trials Our findings on the key ... Taken together, these findings stress the very important role played by the meniscal structure and positioning in protecting the integrity of cartilage in both healthy and OA individuals Our data,...
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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
Ngày tải lên :
09/08/2014, 10:21
... overarching aim of this investigation was to conduct a study within an existing longitudinal dataset of knee OA with serial knee magnetic resonance imaging (MRI) to evaluate and validate promising ... Veterans Administration Boston Health Care System approved the baseline and follow-up examinations, and informed consent was obtained from all participants Magnetic resonance imaging All studies ... raised in mice against a conjugated synthetic peptide, EKGPDP [21] This assay was conducted in the laboratory of author DE The Col2CTx ratio was Col2CTx/urinary creatinine The intra-assay and interassay...
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Báo cáo y học: "Ultrasonography, magnetic resonance imaging, radiography, and clinical assessment of inflammatory and destructive changes in fingers and toes of patients with psoriatic arthritis" pot
Ngày tải lên :
09/08/2014, 10:21
... is a tool increasingly used by clinicians, including rheumatologists, but the US data on small joints in PsA are very limited [8,9]; in particular, the validation of the findings is minimal The ... radiologist experienced in musculoskeletal radiography (MH), who was blinded to clinical and other imaging findings Magnetic resonance imaging parameters The acquired images included a coronal T1-weighted ... Ratingen scoring system [11] by an experienced musculoskeletal radiologist (AV) blinded to clinical and other imaging findings Clinical examination All 25 persons underwent clinical examination prior...
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Báo cáo y học: "Detection of bone erosions in rheumatoid arthritis wrist joints with magnetic resonance imaging, computed tomography and radiography" ppt
Ngày tải lên :
09/08/2014, 10:23
... of magnetic resonance images, and was involved in patient recruitment MH was involved in the CT scanning protocol EN performed the evaluation of radiographs JM was involved in the MRI scanning ... measurement of magnetic resonance imaging erosion volumes in patients with rheumatoid arthritis: a comparison with existing magnetic resonance imaging scoring systems and standard clinical outcome ... change of magnetic resonance imaging and radiographic scoring of structural joint damage in rheumatoid arthritis finger, wrist, and toe joints: a comparison of the OMERACT rheumatoid arthritis magnetic...
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Region-specific effects on brain metabolites of hypoxia and hyperoxia overlaid on cerebral ischemia in young and old rats: a quantitative proton magnetic resonance spectroscopy stud pot
Ngày tải lên :
10/08/2014, 05:21
... and mI in the hippocampus of the aged rats These findings are consistent with the data reported in other ex vivo studies [12,13] Nevertheless, the increase in Lac is an interesting finding in that ... representing the symmetric brain areas in each rat There were neither intragroup nor intergroup statistical differences in the basal concentrations of the corresponding metabolites in the frontoparietal ... TMSP-d4 in D2O was used as an external standard in each spectroscopic investigation The quantification of metabolites in brain extracts was preceded by a preliminary work performed on a set of individual...
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báo cáo khoa học: "Application of Benchtop-magnetic resonance imaging in a nude mouse tumor model" ppt
Ngày tải lên :
10/08/2014, 10:21
... weekly For histological examination tumors were explanted, fixed in 4% formalin and embedded in paraffin Hematoxylin/Eosin staining of slices was performed according to standard protocols All ... colon carcinoma cell lines DLD-1, HCT8 and HT29 and human testicular germ cell tumor cell line 1411HP were maintained as monolayer cultures in RPMI-1640 with 10% FCS and streptomycin/penicillin Cultures ... imaging; BT-MRI: benchtop -magnetic resonance imaging; NMR: nuclear magnetic resonance; Gd-BOPTA: gadobenate dimeglumine; s.c.: subcutaneous; HE: hematoxylin/eosin Acknowledgements We would like...
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