Contrast agents

Xem 1-20 trên 25 kết quả Contrast agents
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Biocompatible Nanocomplexes for Molecular Targeted MRI Contrast Agent

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  • (BQ) Part 1 book "Clinical cardiac MRI" presents the following contents: Cardiac MRI physics, MR contrast agents for cardiac imaging, practical set up, cardiac anatomy, cardiovascular MR imaging planes and segmentation, cardiac function, myocardial perfusion, ischemic heart disease, heart muscle diseases.

    pdf358p thangnamvoiva4 01-07-2016 7 3   Download

  • Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí hóa hoc quốc tế đề tài : Carbon-coated iron oxide nanoparticles as contrast agents in magnetic resonance imaging

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Carbon-coated iron oxide nanoparticles as contrast agents in magnetic resonance imaging

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  • Tuyển tập các báo cáo nghiên cứu khoa học ngành y học tạp chí Medical Sciences dành cho các bạn sinh viên ngành y tham khảo đề tài: Gain of a 500-fold sensitivity on an intravital MR Contrast Agent based on an endohedral Gadolinium-Cluster-Fullerene-Conjugate: A new chance in cancer diagnostics...

    pdf11p thulanh9 07-10-2011 10 1   Download

  • (BQ) Part 1 book "Radiology at a glance" presents the following contents: Plain X-ray (XR) imaging, computed tomography, Radiation protection and contrast agent precautions, making a radiology referral, which investigation - classic cases, upper limb XR classic cases I - shoulder and elbow,...

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  • The successful introduction of extracellular gadolinium-based contrast agents for contrastenhanced MR angiography, and their wide acceptance today, raise the question of what part an intravascular contrast agent might play in diagnostic imaging. The answer lies in the capacity of an intravascular agent to give us high-level diagnostic information from first pass arterial imaging and, at the same time, to yield additional diagnostic value by allowing delayed imaging from the same contrast injection.

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  • Microbubble-based contrast agents for ultrasound were introduced some time ago, although their clinical application has become widespread only in recent years. Since color and power Doppler reveal overt artifacts after microbubble injection due to the peculiar features of harmonic signals produced by insonation of microbubbles, dedicated contrast-specifi c modes of US were introduced to optimize the registration of such signals.

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  • The letter shown on the next page is from a prrivate in denmark to a company in the UK.It shows some of the features of a simple busibess the page.Sender's address in corresspndence that does not have a printed on the top righ - hand side of the page.In the UK , in contrast to the practice in some coutries, it is not usual to write the sender's name before the sender's address

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  • The first edition of Handbook of MRI Technique was a resounding success. The rapidly increasing number of radiographers and technologists entering the modality, coupled with the development of education and training courses worldwide, has resulted in an increased demand for MRI books of any shape and size. The education of radiographers, technologists and radiologists often lags behind the rapid technological advances in MR.

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  • The study of the heart and vessels by Magnetic Resonance Imaging represents a relatively new field of application, especially if one considers the large-scale diagnostic use of the technique in the neurological and muscular fields. The explanation of the delayed application in the cardiovascular field can be sought in the methodological complexity linked to the study of moving anatomical structures.

    pdf410p waduroi 03-11-2012 43 13   Download

  • Chất cản âm (contrast agent) trong echo là những dung dịch có đặc tính làm tăng sự phản hồi sóng echo, giúp định rõ cấu trúc của buồng tim, sự tưới máu cơ tim hay dòng chảy trong tim.

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  • Few fi elds of medicine have witnessed such impressive progress as the diagnosis and treatment of liver tumors. Advances in imaging technology, the development of novel contrast agents, and the introduction of optimized scanning protocols have greatly facilitated the non-invasive detection and characterization of focal liver lesions. Furthermore, image-guided techniques for percutaneous tumor ablation have become an accepted alternative treatment for patients with inoperable liver cancer.

    pdf420p echbuon 02-11-2012 27 9   Download

  • Those of us involved in the development of magnetic resonance angiography (MRA) in the late 1980’s could hardly envision the routine application of MRA in every MR facility everyday. In those years there was spectacular development of many new MR clinical applications.Many pioneering researchers investigated various strategies exploiting the effects of blood flow on the MR signal to optimize clinical MRA. Remarkable successes were demonstrated in rapid succession.

    pdf366p echbuon 02-11-2012 19 7   Download

  • Andreeßen and Steinbüchel AMB Express 2011, 1:12 MINI-REVIEW Open Access Serinol: small molecule - big impact Björn Andreeßen* and Alexander Steinbüchel Abstract The amino alcohol serinol (2-amino-1,3-propanediol) has become a common intermediate for several chemical processes. Since the 1940s serinol was used as precursor for synthesis of synthetic antibiotics (chloramphenicol). In the last years, new scopes of applications were discovered.

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  • However, a recent study of Moriwaki and al [1] found ultrasound was 85% sensitive and 100% specific for detection of free air in a prospective study of 484 patients. Some small studies have also investigated the utility of ultrasound contrast agents to detect active bleeding [2]. Ultrasound is relatively sensitive for free abdominal fluid. In a study, continuous scanning of Morison’s pouch during infusion of DPL fluid revealed a mean detection limit of 619 mL.

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  • Angiography or arteriography is a medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins and the heart chambers. This is traditionally done by injecting a radio-opaque contrast agent into the blood vessel and imaging using X-ray based techniques such as fluoroscopy. So angiography consists of MRI, CT-Scan. . .

    pdf5p truongthiuyen2 09-06-2011 31 2   Download

  • Because of their size, strategic importance, and the magnitude of the institutional changes they have experienced during economic transition, the economic policies and performance of Russia and China provide dramatic experiments for the social scientist. A key element of each country’s transition has been the attempt to construct a fiscal system providing a coherent framework for accountability of the government’s use of public funds.

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  • In addition McQueen and Vorkink (2004) are able to reproduce GARCH volatility using a preference-based model with time-varying sensitivity to news. In a related paper, Vanden (2005) develops a model where the representative agent exhibits a utility function with several risk aversion regimes, which in equilibrium leads to volatility regimes and volatility clustering.

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  • It has been said that the control of disease has three goals, which, in increasing order of attraction are palliation, cure, and prevention. For most types of disseminated cancer, medical science has achieved only the first of these objectives, while for some malignancies the side effects of the therapeutic agents employed rival the disease itself in precluding a desirable quality of life.

    pdf423p tom_123 15-11-2012 23 4   Download


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