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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202308198
|2 doi
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|a pubmed25n1206.xml
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|a (DE-627)NLM362182124
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|a (NLM)37721365
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Li, Chen
|e verfasserin
|4 aut
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|a Chiral Iron Oxide Supraparticles Enable Enantiomer-Dependent Tumor-Targeted Magnetic Resonance Imaging
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 16.12.2023
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|a Date Revised 16.12.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a The chemical, physical and biological effects of chiral nanomaterials have inspired general interest and demonstrated important advantages in fundamental science. Here, chiral iron oxide supraparticles (Fe3 O4 SPs) modified by chiral penicillamine (Pen) molecules with g-factor of ≈2 × 10-3 at 415 nm are fabricated, and these SPs act as high-quality magnetic resonance imaging (MRI) contrast agents. Therein, the transverse relaxation efficiency and T2 -MRI results demonstrated chiral Fe3 O4 SPs have a r2 relaxivity of 157.39 ± 2.34 mM-1 ·S-1 for D-Fe3 O4 SPs and 136.21 ± 1.26 mM-1 ·S-1 for L-Fe3 O4 SPs due to enhanced electronic transition dipole moment for D-Fe3 O4 SPs compared with L-Fe3 O4 SPs. The in vivo MRI results show that D-Fe3 O4 SPs exhibit two-fold lower contrast ratio than L-Fe3 O4 SPs, which enhances targeted enrichment in tumor tissue, such as prostate cancer, melanoma and brain glioma tumors. Notably, it is found that D-Fe3 O4 SPs have 7.7-fold higher affinity for the tumor cell surface receptor cluster-of-differentiation 47 (CD47) than L-Fe3 O4 SPs. These findings uncover that chiral Fe3 O4 SPs act as a highly effective MRI contrast agent for targeting and imaging broad tumors, thus accelerating the practical application of chiral nanomaterials and deepening the understanding of chirality in biological and non-biological environments
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|a Journal Article
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|a CD47
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|a chirality
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|a iron oxide
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|a magnetic resonance imaging
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|a self-assembly
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|a supraparticles
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|a tumor
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|a ferric oxide
|2 NLM
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|a 1K09F3G675
|2 NLM
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|a Ferric Compounds
|2 NLM
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|a Contrast Media
|2 NLM
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| 700 |
1 |
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|a Zhao, Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Xiaoqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hao, Changlong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Shudong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qu, Aihua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Maozhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kuang, Hua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Chuanlai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Liguang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 49 vom: 22. Dez., Seite e2308198
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:35
|g year:2023
|g number:49
|g day:22
|g month:12
|g pages:e2308198
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|u http://dx.doi.org/10.1002/adma.202308198
|3 Volltext
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