Contrast Agents
Magnetic ressonance imaging contrast agents obtained by fast sonochemistry approach
... Therefore, the synthesis and functionalization steps play a key role in the performance of MRI contrast agents, allowing their physical-chemical properties to be tailored by selecting a favorable ...
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New strategies to prolong the in vivo life span of iron-based contrast agents for MRI.
... To be effective MR angiography contrast agents, SPIOs must be able to evade the body’s immune system so as to minimize their premature clearance from the bloodstream. Upon intravenous injection, the ...
17
Self-assembled nanoparticles as new smart contrast agents for magnetic resonance imaging
... stimulus-sensitive agents can be detected when switched from one state to another after exposure to a metabolic or physiological event in a specific molecular target (Lyons, ...
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An Updated Study to Determine Association between Gadolinium-Based Contrast Agents and Nephrogenic Systemic Fibrosis.
... The baseline characteristics of included studies are shown in Table 2. We identified 12 cohort studies and 1 case-control study, but no randomized controlled trials. The initial 14 studies included a total of 6,398 ...
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Self-assembled polymeric nanoparticles as new, smart contrast agents for cancer early detection using magnetic resonance imaging
... The paramagnetic Gd(III) ions in complexes used as CA in MRI shorten the relaxation time T 1 of the water protons in their proximity, leading to an increase of the image contrast. Therefore, restricting water ...
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Radiol Bras vol.48 número1
... hepatobiliary contrast agents in the acquisition of magnetic resonance images remarkably improves the detection and differentiation of focal liver lesions, as compared with extracellular contrast ...
9
A Novel Procedure for Rapid Imaging of Adult Mouse Brains with MicroCT Using Iodine-Based Contrast.
... The value of I2KI based stained mCT scanning was demonstrated multiple times in context of developmental biology [9,10,25]. Because iodine-based contrast agents cause significant tissue shrinkage, it is ...
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O papel da ressonância magnética com o uso do meio de contraste hepatoespecífico na avaliação da lesão hepática focal
... extracellular contrast agents, besides the necessity of a more elaborate injection technique to get satisfactory results, and based on the findings of many published studies, it is our opinion that the use ...
2
Radiol Bras vol.43 número2 en a01v43n2
... paramagnetic contrast agents, including the correct dosage – the lowest possible while assuring the ac- quisition of images with appropriate diagnostic value (4,5) ...
2
Effects of anesthetic agents on brain blood oxygenation level revealed with ultra-high field MRI.
... anesthetic agents, at the concentrations that we used, are known to induce ‘loss of consciousness’ in ...anesthetic agents act as contrast agents? Because anesthetic agents induce ...
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An open source image processing method to quantitatively assess tissue growth after non-invasive magnetic resonance imaging in human bone marrow stromal cell seeded 3D polymeric scaffolds.
... non-targeted contrast agents can increase the contrast between the solution in which the samples were scanned and the lipids present in the tissue of the sample, one scaffold was imaged before and ...
16
Contrast-induced nephropathy: a review of literature
... when contrast agents are to be administered as follows: to reduce side effects, the CM should be prewarmed to 37 °C and injected with the lowest possible ...
4
Braz. J. Pharm. Sci. vol.48 número1
... The overwhelming majority of radiopharmaceuti- cals currently used in clinical medicine are low-molecular weight compounds having the above-mentioned chemical moieties. However, there are some applications in clinical ...
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TmDOTA-tetraglycinate encapsulated liposomes as pH-sensitive LipoCEST agents.
... multimodal contrast agents where a sustained contrast enhancement due to increased circulation half lives was exhibited by the liposomes in the vasculature of a rat model as compared to the free ...
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Int. braz j urol. vol.30 número4
... Figure 1 – A) Abdominal computerized tomography following oral and venous administration of contrast agents, demonstrating hypodense and heterogeneous lesion with peripheral enhancement[r] ...
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SOFTWARE AGENTS IN NETWORK MANAGEMENT
... This kind of problems has been addressed by the IETF’ Distributed Management (disman) WG. This work group was chartered to define a architecture where a main manager can delegate control above several distributed ...
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A crystal ball made of agents
... HIS article introduces the application of the agents technology in the field of prediction. Mathematical models are useful to foresee how dynamic systems evolve. A social environment evolves as a dynamic system, ...
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THE AGENTS OF EDUCATION MARKET
... economic agents that are divided into two large categories: buyers and sellers”; let’s also notice that on the same market and within the same action (selling-buying) an agent can only play a sole part, either ...
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A curiosity model for artificial agents
... Figure 4 shows the state of the scenario, not after 60 seconds, but when the first agent reached the goal. Once again, both the figure and Table 2 show that the number of tiles explored by each agent is directly ...
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MATERIALS AND METHODS Antimicrobial agents
... vulgare essential oil and the classical and widely applied food preservative lactic acid in meat based broth and in a meat model was investigated.. To our knowledge, the effect of the [r] ...
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