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240818s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202404766
|2 doi
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|a eng
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| 100 |
1 |
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|a Ota, Satoshi
|e verfasserin
|4 aut
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| 245 |
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|a Characterization of Microscopic Structures in Living Tumor by In Vivo Measurement of Magnetic Relaxation Time Distribution of Intratumor Magnetic Nanoparticles
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 17.08.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a Tumor microscopic structure is crucial for determining properties such as cancer type, disease state (key for early diagnosis), and novel therapeutic strategies. Magnetic particle imaging is an early cancer diagnostic tool using magnetic nanoparticles as a tracer, which actualizes cancer theranostics in combination with hyperthermia treatment using the abilities of magnetic nanoparticles as a heat source. This study focuses on the microscopic structures associated with cancer cell distribution, the stromal compartment, and vascularization in different kinds of living tumors by analyzing the intratumor magnetic relaxation response of magnetic nanoparticles injected into the tumors. Furthermore, this study describes a sequential system for the measurement of magnetic relaxation time and analysis of the intratumor structure using nonbiological samples such as viscous fluids and solidified magnetic nanoparticles. Particularly, the fine discriminability achieved by reconstructing a distribution map representing the relationship between magnetic relaxation time and viscosity of medium is demonstrated, based on experimental data with a limited condition number. Observing tumor microscopic structure through the dynamic magnetization response of intratumor magnetic nanoparticles is a low-invasive tool for analyzing tumor tissue without dissection. It holds promise for the advancement of biomedical applications, such as early cancer theranostics, using magnetic nanoparticles
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|a Journal Article
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|a magnetic nanoparticles
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| 650 |
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|a magnetic particle imaging
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| 650 |
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|a magnetic relaxation time
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| 650 |
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|a tumor microscopic structure
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| 700 |
1 |
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|a Kosaka, Hiroki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Honda, Keita
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hoshino, Kota
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Goto, Haruki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Futagawa, Masato
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Takemura, Yasushi
|e verfasserin
|4 aut
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| 700 |
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|a Shimizu, Kosuke
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2024) vom: 17. Aug., Seite e2404766
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|x 1521-4095
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|g year:2024
|g day:17
|g month:08
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|u http://dx.doi.org/10.1002/adma.202404766
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