2014
DOI: 10.1002/smll.201400765
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Functional Nanovalves on Protein-Coated Nanoparticles for In vitro and In vivo Controlled Drug Delivery

Abstract: A multifunctional mesoporous drug delivery system that contains fluorescent imaging molecules, targeting proteins, and pH-sensitive nanovalves was developed and tested. Three nanovalve-MSN systems (NV-MSNs) with varied quantities of nanovalves on the surface were synthesized. These systems were characterized and tested to optimize the trade-off between coverage of nanovalves on the MSNs to effectively trap and deliver cargo, and the remaining underivatized silanol groups that can be used for protein attachment… Show more

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Cited by 67 publications
(47 citation statements)
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“…Liposomes, polymeric nanoparticles, dendrimers, metal nanoparticles, and quantum dots are versatile molecules with a variety of biomedical uses, such as diagnostic assays [13,14], radiotherapy enhancement [15,16], as well as drug and gene delivery [17,18]. Liposomes are artificially prepared vesicles composed of lipid bilayers.…”
Section: Introductionmentioning
confidence: 99%
“…Liposomes, polymeric nanoparticles, dendrimers, metal nanoparticles, and quantum dots are versatile molecules with a variety of biomedical uses, such as diagnostic assays [13,14], radiotherapy enhancement [15,16], as well as drug and gene delivery [17,18]. Liposomes are artificially prepared vesicles composed of lipid bilayers.…”
Section: Introductionmentioning
confidence: 99%
“…Arrays of bistable rotaxane shuttles have been used as switchable components in molecular memory devices 4 , with efforts underway to make these delicate materials more robust through integration with porous frameworks 5 . Enzyme-sensitive rotaxanes 6 and nanocontainers using mechanized molecular valves 7 are both examples of how molecular machines can be used for on-demand drug delivery. The mechanical movement of molecular rotors can be applied to achieve dynamic stereochemistry during chemical reactions 8 , and for the light-driven reorganization of liquid-crystal films to rotate microscale objects 9 .…”
mentioning
confidence: 99%
“…A nanooncologia é o ramo da ciência que consiste no desenvolvimento de dispositivos direcionados à liberação controlada de fármacos em escala nanométrica, no desenvolvimento de nanopartículas que absorvem luz visando seu aquecimento (terapia hipertérmica) ou para diagnóstico específico, dentre várias outras aplicações terapêuticas (JAIN, 2008). Revisão da Literatura 33 nanopartículas podem proporcionar uma liberação controlada de fármacos por um longo tempo e podem ser combinadas a ligantes específicos para o tecido de interesse, garantindo a ação específica e localizada das drogas antitumorais (HWANG et al, 2015;WANG et al, 2015b).…”
Section: Nanotecnologia No Tratamento E Diagnóstico De Câncerunclassified
“…Isso aumenta a área de superfície dos dispositivos, aumentando, em consequência, a biodisponibilidade dos fármacos, principalmente se são compostos apolares. Paralelamente, as nanopartículas podem proporcionar uma liberação controlada de fármacos por um longo tempo e podem ser combinadas a ligantes específicos para o tecido de interesse, garantindo a ação específica e localizada das drogas antitumorais (HWANG et al, 2015;WANG et al, 2015b). …”
Section: Nanotecnologia No Tratamento E Diagnóstico De Câncerunclassified
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