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自主式多功能微机器人搭载手性超分子选择剂,实现“飞行中对映体识别”。

Self-Propelled Multifunctional Microrobots Harboring Chiral Supramolecular Selectors for "Enantiorecognition-on-the-Fly".

机构信息

Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, 61200, Brno, Czech Republic.

Center for Advanced Functional Nanorobots, Dept. of Inorganic Chemistry, Faculty of Chemical Technology, University of Chemistry and Technology, 16628, Prague, Czech Republic.

出版信息

Angew Chem Int Ed Engl. 2022 Mar 28;61(14):e202116090. doi: 10.1002/anie.202116090. Epub 2022 Feb 9.


DOI:10.1002/anie.202116090
PMID:35138049
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9304198/
Abstract

Herein, a general procedure for the synthesis of multifunctional MRs, which simultaneously exhibit i) chiral, ii) magnetic, and iii) fluorescent properties in combination with iv) self-propulsion, is reported. Self-propelled Ni@Pt superparamagnetic microrockets have been functionalized with fluorescent CdS quantum dots carrying a chiral host biomolecule as β-cyclodextrin (β-CD). The "on-the-fly" chiral recognition potential of MRs has been interrogated by taking advantage of the β-CD affinity to supramolecularly accommodate different chiral biomolecules (i.e., amino acids). As a proof-of-concept, tryptophan enantiomers have been discriminated with a dual-mode (optical and electrochemical) readout. This approach paves the way to devise intelligent cargo micromachines with "built-in" chiral supramolecular recognition capabilities to elucidate the concept of "enantiorecognition-on-the-fly", which might be facilely customized by tailoring the supramolecular host-guest encapsulation.

摘要

本文报道了一种多功能磁共振(MR)的通用合成方法,该方法同时具有手性、磁性和荧光特性,并具有自推进功能。自推进的 Ni@Pt 超顺磁微火箭已用作为β-环糊精(β-CD)的手性主体生物分子的荧光 CdS 量子点功能化。利用 MR 对超分子客体分子的手性识别潜力,通过β-CD 亲和力来超分子容纳不同的手性生物分子(例如氨基酸)。作为概念验证,使用双通道(光学和电化学)读出方法对色氨酸对映体进行了区分。这种方法为设计具有“内置”手性超分子识别能力的智能货物微机器铺平了道路,以阐明“手性识别”的概念,通过定制超分子主体-客体包封,可以轻松地对其进行定制。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/80f3246815bc/ANIE-61-0-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/05da3004cd66/ANIE-61-0-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/71c52c305ff9/ANIE-61-0-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/5d2572cd4e64/ANIE-61-0-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/3f5e247e54d7/ANIE-61-0-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/80f3246815bc/ANIE-61-0-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/05da3004cd66/ANIE-61-0-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/71c52c305ff9/ANIE-61-0-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/5d2572cd4e64/ANIE-61-0-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/3f5e247e54d7/ANIE-61-0-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1691/9304198/80f3246815bc/ANIE-61-0-g003.jpg

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[5]
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[6]
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[10]
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[3]
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[4]
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[5]
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[6]
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[8]
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本文引用的文献

[1]
Collective behavior of magnetic microrobots through immuno-sandwich assay: On-the-fly COVID-19 sensing.

Appl Mater Today. 2022-3

[2]
Nickel Sulfide Microrockets as Self-Propelled Energy Storage Devices to Power Electronic Circuits "On-Demand".

Small Methods. 2021-10

[3]
Active and selective removal of Cs from contaminated water by self-propelled magnetic illite microspheres.

J Hazard Mater. 2021-8-15

[4]
ACE2 Receptor-Modified Algae-Based Microrobot for Removal of SARS-CoV-2 in Wastewater.

J Am Chem Soc. 2021-8-11

[5]
Transfer, Amplification, Storage, and Complete Self-Recovery of Supramolecular Chirality in an Achiral Polymer System.

Angew Chem Int Ed Engl. 2021-8-16

[6]
Magnetically Driven Micro and Nanorobots.

Chem Rev. 2021-4-28

[7]
Smart Materials for Microrobots.

Chem Rev. 2022-3-9

[8]
3D printing of functional microrobots.

Chem Soc Rev. 2021-3-1

[9]
Cancer Cells Microsurgery Asymmetric Bent Surface Au/Ag/Ni Microrobotic Scalpels Through a Transversal Rotating Magnetic Field.

ACS Nano. 2020-6-16

[10]
On-the-fly rapid immunoassay for neonatal sepsis diagnosis: C-reactive protein accurate determination using magnetic graphene-based micromotors.

Biosens Bioelectron. 2020-6-15

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