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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2018.2829740
|2 doi
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Yoon, Heechul
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Super-Resolution Imaging With Ultrafast Ultrasound Imaging of Optically Triggered Perfluorohexane Nanodroplets
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 02.10.2019
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|a Date Revised 19.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Super-resolution imaging with moving microbubbles has shown potential in identifying fine details of deep-lying vascular compartments. To image the extravascular targets, this paper has employed nanometer-sized, optically triggered perfluorohexane nanodroplets (PFHnDs). In response to pulsed laser irradiation, the PFHnDs repeatedly vaporize and stochastically recondense, resulting in random changes of ultrasound signals. Our previous study has shown that the stochastic recondensation of the PFHnDs can be used to isolate individual PFHnDs for super-resolution imaging. This paper introduces an improved method for super-resolution imaging with ultrafast ultrasound imaging of PFHnDs. The previous method was based on subtraction of two consecutive ultrasound images to detect signals from recondensed, isolated droplets, whereas our current method compounds respective multiple pre- and post-recondensation ultrafast ultrasound images prior to subtraction to improve the spatial resolution further. To evaluate the axial and lateral resolutions of our method, we repeatedly imaged a phantom containing PFHnDs using a programmable ultrasound system synchronized with a pulsed laser system. As a result, our method improved the lateral and axial resolutions by 54% and 68%, respectively, over the previous super-resolution imaging approach, indicating that it can be used for localizing extravascular molecular targets with superior accuracy
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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|a Contrast Media
|2 NLM
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| 650 |
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|a Fluorocarbons
|2 NLM
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| 650 |
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|a perflexane
|2 NLM
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|a FX3WJ41CMX
|2 NLM
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| 700 |
1 |
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|a Hallam, Kristina A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yoon, Changhan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Emelianov, Stanislav Y
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 65(2018), 12 vom: 23. Dez., Seite 2277-2285
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:65
|g year:2018
|g number:12
|g day:23
|g month:12
|g pages:2277-2285
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|u http://dx.doi.org/10.1109/TUFFC.2018.2829740
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