ultrasound color doppler ultrasound and contrast enhanced ultrasound of primary gists and liver metastases
Báo cáo khoa học: "Neoangiogenesis in early cervical cancer: Correlation between color Doppler findings and risk factors. A prospective observational study" pot
... with color vascularization Transvaginal scanty Doppler ultrasound showing a cervical Transvaginal color Doppler ultrasound showing a cervical cancer with scanty vascularization The amount of vascularization ... number of five courses was provided http://www.wjso.com/content/6/1/126 Figure cancer with color Doppler ultrasound Transvaginalabundant vascularization showing a cervical Transvaginal color Doppler ... its prospective use, as part of the treatment plan is difficult Transvaginal Color- Doppler Ultrasound (TVCD) allows an in vivo non-invasive and prospective assessment of tumor vascularization [5]...
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Báo cáo khoa hoc:" The contrast-enhanced Doppler ultrasound with perfluorocarbon exposed sonicated albumin does not improve the diagnosis of renal artery stenosis compared with angiography" pptx
... demonstrated a sensitivity of 85% and a specificity of 79% without contrast and a sensitivity of 94% and a specificity of 88% with contrast, besides an important reduction in the time of procedure The ... effect of the contrast infusion on the sensitivity and specificity of the different Doppler criterion mentioned above The purpose of our study was to evaluate the accuracy of the main color Doppler ... index; US = ultrasonography Table 4: Sensitivity and specificity of non -enhanced and enhanced Doppler US for the detection of RAS in 60 arteries a) Non -enhanced Sensitivity RRA (
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Báo cáo y học: "Detection of vascularity in wrist tenosynovitis: power doppler ultrasound compared with contrast-enhanced grey-scale ultrasound" pdf
... = 0.001 cResults of observer d Results of observer CDUS, color Doppler ultrasound; PDUS, power Doppler ultrasound Page of No correlation between PDUS and CEUS regarding peri- and intratendinous ... involvement of tendons in RA, little research has been done into imaging of tendon disease Color and power Doppler ultrasound (CDUS/PDUS) have been shown to be of diagnostic value in the detection of ... avoids Doppler- specific artifacts, maximizes contrast and spatial resolution, and enables the evaluation of the microcirculation (tissue perfusion) because of its independence of the speed of flow...
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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 ... 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...
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state of the art in color image processing and analysis
... invariant color features & entropy-based similarity measure Standardizations: - MPEG-7 color descriptors: color space; color quantization; dominant colors; scalable color; color layout; color structure; ... examples 6.4 Some open issues: color saliency; color constancy SSIP’08 – Vienna, Austria Color image processing & analysis Human perception of color images (1) • Perception of color – crucial for many ... perceptual attributes of color = the HVS specific attributes in the perception and description of a color: Brightness; Nuance (Hue); Saturation (Purity) • Note: the RGB space (the primary color space)...
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color imaging - fundamentals and applications - e. reinhard, et al., (a k peters, 2008)
... collection of loosely similar color spaces, is one of the culprits With this book, we hope to give a deep understanding of what color is, and where color comes from We also aim to show how color can ... aspects of color Color means different things under different circumstances [814] At the same time, it is clear that an understanding of color will involve each of these aspects Thus, the study of color ... many of the currently-used color spaces and explains the strengths and weaknesses of each color space The purpose of this chapter is to give transformations between existing color spaces and to...
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christine fernandez - maloigne - advanced color image processing and analysis
... like the members of a big family, rich in colors of skin, hair, eyes, landscapes, and emotions Each chapter of this will deliver to you a part of the enigma of digital color imaging and, within filigree, ... are a number of views to the color: in biology, color vision and colorization of plants and animals; in psychology, color vision; in medicine, eye diseases and human vision; in art, color as an ... and seven primary colors Also, it is easy to understand the upcoming problems of Newton’s description of colors, when the view was that each primary color is a single entity and the color sensation...
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Báo cáo sinh học: "Enhanced presentation of MHC class Ia, Ib and class II-restricted peptides encapsulated in biodegradable nanoparticles: a promising strategy for tumor immunotherapy" docx
... insertional mutagenesis and oncogenic effects [35] Nanoparticle-based vaccine delivery systems offer significant advantages due to their safety profile, ease of manufacture and storage, and most importantly, ... size distribution of the nanoparticles was in the range of 181-282 nm, with a mean diameter of 215.46 ± 48.6 nm, and an average zeta potential of -20.2 mV The peptide content of three different ... significantly enhanced presentation of the peptides loaded with NP resulted from improved loading and sustained release of these peptides after the internalization of the NP Improved generation of peptide-specific...
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báo cáo hóa học:" Enhanced presentation of MHC class Ia, Ib and class II-restricted peptides encapsulated in biodegradable nanoparticles: a promising strategy for tumor immunotherapy" doc
... insertional mutagenesis and oncogenic effects [35] Nanoparticle-based vaccine delivery systems offer significant advantages due to their safety profile, ease of manufacture and storage, and most importantly, ... size distribution of the nanoparticles was in the range of 181-282 nm, with a mean diameter of 215.46 ± 48.6 nm, and an average zeta potential of -20.2 mV The peptide content of three different ... significantly enhanced presentation of the peptides loaded with NP resulted from improved loading and sustained release of these peptides after the internalization of the NP Improved generation of peptide-specific...
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Báo cáo hóa học: " Editorial Color in Image and Video Processing" pdf
... degree of the standardized CVD description in the paper entitled “Quantification and standardized description of color vision deficiency caused by anomalous trichromats— part II: modeling and color ... work entitled Color image coding by colorization approach,” T Horiuchi and S Tominaga propose a new color image coding scheme called “colorization image coding.” The scheme can colorize a gray ... regularization The second part of the special issue is devoted to color image and video segmentation and color image description This part opens with a sequence of three papers O Losson et al...
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Báo cáo hóa học: " Review Article Color in Image and Video Processing: Most Recent Trends and Future Research Direction" docx
... combine color derivatives features and color invariant features, color features and other low-level features (e.g., color and texture [103], color and shape [100]), low-level features and high-level ... several of them independently [141] MPEG-7 provides seven color descriptors, namely, color space, color quantization, dominant colors, scalable color, color layout, color- structure, and group of frames/group ... images and videos (i) Choice of appropriate color space Most of image analysis and processing methods are affected by the choice of color space and by the color metric used The improvement of the...
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Báo cáo hóa học: " Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications" ppt
... (even) number of subgroups of data symbols In the sequel we find the values of x that minimize the VCRBs of ν and α, for fixed values of L, N, and M In the case of joint phase /Doppler- shift /Doppler- rate ... number of subgroups of pilot symbols, and (2xeven + 1) is the (odd) number of subgroups of data symbols; in Figure 12(b), (2xodd + 1) is the (odd) number of subgroups of pilot symbols, and 2xodd ... CARRIER-PHASE /DOPPLER- SHIFT AND DOPPLER- RATE ESTIMATION: 2P, 3P, 4P FORMATS This appendix addresses the optimal signal design for Doppler- shift ν and Doppler- rate α estimation in the case of joint phase /Doppler- shift...
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Báo cáo hóa học: " Automatic Characterization of Myocardial Perfusion in Contrast Enhanced MRI" pptx
... s∈[0, 1], α and β control the mechanical properties of the snake, that is, tension and rigidity, respectively, x and x denote the first and the second derivatives of x(s) with respect to s, and Eext ... Santarelli, L Landini, and A Benassi, “Automatic time sequence alignment in contrast enhanced MRI by maximization of mutual information,” in Proc 23rd Annual International Conference of the IEEE ... Institute of Clinical Physiology of Pisa from 1975 to 1979, and at the Centro “E Piaggio” of the Engineering Faculty of Pisa University from 1979 to 1981 In 1981, he joined the Assistant Professor...
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COLOR MANAGEMENT UNDERSTANDING AND USING ICC PROFILES doc
... understanding and communication Clear and unambiguous definitions of color encoding and image state, for example through ISO 22028-1, are key elements of this process The Role of ICC Profiles in a Color ... a concise and systematic description of ICC Profiles, the underlying color and color vision theory and how ICC Profiles are constructed The process of creating an ICC Profile is complex and can be ... community: the scientists and developers who devise and maintain color management hardware and software, the professional users who implement color management solutions, and those general users...
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Báo cáo khoa học: "Enhanced expression of constitutive and inducible forms of nitric oxide synthase in autoimmune encephalomyelitis" pdf
... Western blot analysis of three isoforms of NOS in EAE The expression of nNOS (Fig 2A), eNOS (Fig 2B) and Fig Western blot analysis of constitutive neuronal NOS (nNOS) (A) and endothelial NOS (eNOS) ... lesions Fig Immunostaining of three isoforms of NOS in the spinal cords of normal (4A-4C) and EAE-affected rats (4D-4F) The immunoreactivity of nNOS (4A), eNOS (4B), and iNOS(4C) was scarcely ... magnification: x200 4A and 4D: rabbit anti-nNOS, 4B and 4E: rabbit antieNOS, 4C and 4F: rabbit anti-iNOS antisera Enhanced expression of constitutive and inducible forms of nitric oxide synthase...
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Báo cáo toán học: "Contrast-Enhanced Ultrasonograpic Findings in Pancreatic Tumors Chiara RECALDINI, Gianpaolo CARRAFIELLO, Elena BERTOLOTTI, Maria Gloria ANGERETTI, Carlo FUGAZZOLA" ppsx
... harmonic and contrast- specific imaging: back to gray scale in ultrasound Eur Radiol 2002; 12:151-165 Takeshima K, Kumada T, Toyoda H, et al Comparison of iv contrast- enhanced sonography and histopathology ... lesions J Ultrasound Med 2002; 21:983-991 Rickes S, Unkrodt K, Neye K, Wermke O, Wermke W Differentiation of pancreatic tumors by conventional ultrasound, unenhanced and echo -enhanced power Doppler ... autoimmune, genetic) with a sensibility of 88.8%, specificity of 97.8%, positive predictive value of 91.2%, negative predictive value of 97.1% and accuracy of 96% b) Islet cell tumors- functioning...
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Báo cáo khoa học: "The influences of age, extractive content and soil water on wood color in oak: the possible genetic determination of wood color" pptx
... glass, several plastics and decorative papers Wood is often favored because of its aesthetic properties, particularly color A survey of wood-using professionals by Mazet and Janin (1990) showed ... chemical trees Colorimetry Wood color was measured with a ColorQUEST spectrocolorimeter from HUNTERLAB simulating the CIE standard illuminant A (corresponding to incandescent light) and an observation ... spectrocolorimeter Techniques for measuring color and some environmental, individual tree and chemical factors influencing it in oak (Quercus petraea and Quercus robur) are reported here MATERIALS AND...
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Báo cáo khoa học: " A case report of pseudoprogression followed by complete remission after proton-beam irradiation for a low-grade glioma in a teenager: the value of dynamic contrast-enhanced MRI" pptx
... analysed the imaging studies and contributed to the legend of figures and correction of the manuscript DD created and developed the software used to treat T2* acquisition and produce the images JLH ... injection and co-registered Perfusion (left) and Permability maps (right) [A] Gradient-echo axial image with color overlay map showing no focus of hyperperfusion in regard of the strong contrast ... obtained from the parents and the patient for publication of this case report and accompagnying images A copy of the written consent is available for review by the Editor-in-Chief of this journal Author...
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Báo cáo y học: " Transient basilar artery occlusion monitored by transcranial color Doppler presenting with a spectacular shrinking deficit: a case report" ppt
... transcranial Doppler and followed by vessel recanalization The diagnosis of basilar embolism and occlusion is difficult in patients with brainstem syndromes with complete recovery and with no ... by transcranial Doppler We think that transcranial Doppler should be performed in all cases of unexplained acute loss of consciousness, in particular, if associated with signs of brainstem dysfunctions ... stem symptoms and loss of consciousness, a rapid assessment of blood flow through the basilar artery is crucial Digital subtraction angiography is the gold standard for evaluation of patients with...
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Báo cáo y học: " Mitogen-activated protein kinases and NFκB are involved in SP-A-enhanced responses of macrophages to " pdf
... macrophages [44] This enhanced clearance is accompanied by increased production of nitric oxide and TNF The focus of the current study was to determine if SP-A enhances production of Page of 11 (page number ... temperature The level of nitrite as a measure of nitric oxide production was determined spectrophotometrically at 540 nm and compared to standards of sodium nitrite Page of 11 (page number not ... involved in induction of nitric oxide and subsequent BCG killing, both in the presence and absence of SP-A Qualitative determination of cell survival in the presence or absence of herbimycin A was...
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