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Gadolinium-based contrast agents are used extensively in magnetic resonance imaging to assist diagnosis of medical conditions. Despite their documented safety profile, severe adverse events do occur, and their documentation may serve to raise the awareness of the medical community.
4p
videadpool
05-05-2023
7
2
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Silica-based UVM-7-type bimodal mesoporous materials with high gadolinium content (∞ ≥ Si/Gd ≥ 13) have been synthesized through a one-pot surfactant-assisted procedure from hydroalcoholic solution using a cationic surfactant as template, and starting from atrane complexes of Gd and Si as inorganic precursors.
15p
vironald
15-12-2022
5
2
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The study was performed on 25 patients diagnosed with liver tumors, assigned magnetic resonance imaging (MRI) with Primovist - a hepatospecific paramagnetic gadolinium-based contrast agent at the International Medical Center of Hue Central Hospital.
4p
trinhthamhodang1218
03-03-2021
12
2
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The method is robust, but requires injection of contrast agent and a cumbersome examination procedure. New non-contrast-agent-based techniques for cartilage quality assessment are currently being developed at 7 T. However, dGEMRIC remains an important reference technique during this development.
11p
vitennessee2711
01-02-2021
7
2
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With the remarkable improvements in ultrasound equipment, transabdominal ultrasound after oral administration of an echoic cellulose-based gastric ultrasound contrast agent (TUS-OCCA) has recently been suggested to be effective in initial screening of gastric cancer.
8p
vimoscow2711
29-08-2020
11
1
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Gadolinium (Gd)-based contrasts remain one of the most accepted contrast agents for magnetic resonance imaging, which is among the world most recognized noninvasive techniques employed in clinical diagnosis of patients. At ionic state, Gd is considered toxic but less toxic in chelate form.
10p
vijiraiya2711
27-05-2020
16
1
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In these recent years, magnetite (Fe3O4) has witnessed a growing interest in the scientific community as a potential material in various fields of application namely in catalysis, biosensing, hyperthermia treatments, magnetic resonance imaging (MRI) contrast agents and drug delivery.
9p
vijiraiya2711
27-05-2020
12
0
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A 68-year-old woman underwent radiofrequency ablation (RFA) for hepatocellular carcinoma (HCC) in segment 8 after transcatheter arterial chemoembolization. Pretreatment computed tomography scans revealed that the HCC nodule was adjacent to the intrahepatic B8 bile duct (Figure 1). A 6-Fr endoscopic nasobiliary drainage (ENBD) tube was inserted into the B8 bile duct 1 day before RFA (Figure 2).
2p
covid19
11-05-2020
12
1
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Preclinical research implementing fluorescence-based approaches is inevitable for drug discovery and technology. For example, a variety of contrast agents developed for biomedical imaging are usually evaluated in cell systems and animal models based on their conjugation to fluorescent dyes.
11p
vihamax2711
21-04-2020
11
1
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Focusing on furniture layout, Bukowski and S´ equin [1995] intro- duce “object association” constraints that are designed to facili- tate direct manipulation of furniture arrangements. For example, the user can constrain a bookshelf to slide along walls without penetration or separation. Xu et al. [2002] present a constraint- based furniture layout system that incorporates pairwise relation- ships which enforce stability, non-penetration, and alignment. Ger- mer and Schwarz [2009] describe an agent-based procedure for fur- niture layout.
14p
connhobinh
10-12-2012
54
2
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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.
61p
connhobinh
07-12-2012
72
5
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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.
398p
echbuon
02-11-2012
68
3
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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.
262p
xunu1311
02-11-2012
50
3
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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.
298p
kmkmkmkmkm
10-09-2012
59
3
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Andreeßen and Steinbüchel AMB Express 2011, 1:12 http://www.amb-express.com/content/1/1/12 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. Serinol is used for X-ray contrast agents, pharmaceuticals or for chemical sphingosine/ceramide synthesis.
6p
dauphong13
10-02-2012
42
5
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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...
11p
thulanh9
07-10-2011
30
2
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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. . .
5p
truongthiuyen2
09-06-2011
56
3
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