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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202001114
|2 doi
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|a pubmed24n1032.xml
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|a (NLM)32378269
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Kadiri, Vincent Mauricio
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Biocompatible Magnetic Micro- and Nanodevices
|b Fabrication of FePt Nanopropellers and Cell Transfection
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|c 2020
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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 03.05.2021
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|a Date Revised 03.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The application of nanoparticles for drug or gene delivery promises benefits in the form of single-cell-specific therapeutic and diagnostic capabilities. Many methods of cell transfection rely on unspecific means to increase the transport of genetic material into cells. Targeted transport is in principle possible with magnetically propelled micromotors, which allow responsive nanoscale actuation and delivery. However, many commonly used magnetic materials (e.g., Ni and Co) are not biocompatible, possess weak magnetic remanence (Fe3 O4 ), or cannot be implemented in nanofabrication schemes (NdFeB). Here, it is demonstrated that co-depositing iron (Fe) and platinum (Pt) followed by one single annealing step, without the need for solution processing, yields ferromagnetic FePt nanomotors that are noncytotoxic, biocompatible, and possess a remanence and magnetization that rival those of permanent NdFeB micromagnets. Active cell targeting and magnetic transfection of lung carcinoma cells are demonstrated using gradient-free rotating millitesla fields to drive the FePt nanopropellers. The carcinoma cells express enhanced green fluorescent protein after internalization and cell viability is unaffected by the presence of the FePt nanopropellers. The results establish FePt, prepared in the L10 phase, as a promising magnetic material for biomedical applications with superior magnetic performance, especially for micro- and nanodevices
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|a Journal Article
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|a FePt
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|a biocompatible magnetic materials
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|a gene delivery
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|a iron platinum
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|a magnetic nanopropellers
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|a nano- and micromotors
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|a Biocompatible Materials
|2 NLM
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|a Magnetite Nanoparticles
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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|a enhanced green fluorescent protein
|2 NLM
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|a Green Fluorescent Proteins
|2 NLM
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|a 147336-22-9
|2 NLM
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| 650 |
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|a Platinum
|2 NLM
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| 650 |
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|a 49DFR088MY
|2 NLM
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|a Polyethyleneimine
|2 NLM
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7 |
|a 9002-98-6
|2 NLM
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|a Iron
|2 NLM
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| 650 |
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7 |
|a E1UOL152H7
|2 NLM
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| 700 |
1 |
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|a Bussi, Claudio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Holle, Andrew W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Son, Kwanghyo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kwon, Hyunah
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schütz, Gisela
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gutierrez, Maximiliano G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fischer, Peer
|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 32(2020), 25 vom: 26. Juni, Seite e2001114
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:25
|g day:26
|g month:06
|g pages:e2001114
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|u http://dx.doi.org/10.1002/adma.202001114
|3 Volltext
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