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      A Concise Review of Gold Nanoparticles-Based Photo-Responsive Liposomes for Controlled Drug Delivery

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          Abstract

          The focus of drug delivery is shifting toward smart drug carriers that release the cargo in response to a change in the microenvironment due to an internal or external trigger. As the most clinically successful nanosystem, liposomes naturally come under the spotlight of this trend. This review summarizes the latest development about the design and construction of photo-responsive liposomes with gold nanoparticles for the controlled drug release. Alongside, we overview the mechanism involved in this process and the representative applications.

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          Calcium--a life and death signal.

          M J Berridge, M Bootman, P. Lipp (1998)
          Article 0 comments Cited 313 times – based on 0 reviews     Review now
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            Chemophototherapy: An Emerging Treatment Option for Solid Tumors

            Dandan Luo, Kevin Carter, Dyego Miranda … (2016)
            Near infrared (NIR) light penetrates human tissues with limited depth, thereby providing a method to safely deliver non‐ionizing radiation to well‐defined target tissue volumes. Light‐based therapies including photodynamic therapy (PDT) and laser‐induced thermal therapy have been validated clinically for curative and palliative treatment of solid tumors. However, these monotherapies can suffer from incomplete tumor killing and have not displaced existing ablative modalities. The combination of phototherapy and chemotherapy (chemophototherapy, CPT), when carefully planned, has been shown to be an effective tumor treatment option preclinically and clinically. Chemotherapy can enhance the efficacy of PDT by targeting surviving cancer cells or by inhibiting regrowth of damaged tumor blood vessels. Alternatively, PDT‐mediated vascular permeabilization has been shown to enhance the deposition of nanoparticulate drugs into tumors for enhanced accumulation and efficacy. Integrated nanoparticles have been reported that combine photosensitizers and drugs into a single agent. More recently, light‐activated nanoparticles have been developed that release their payload in response to light irradiation to achieve improved drug bioavailability with superior efficacy. CPT can potently eradicate tumors with precise spatial control, and further clinical testing is warranted.
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              Photochemical mechanisms of light-triggered release from nanocarriers.

              Nadezda Fomina, Jagadis Sankaranarayanan, Adah Almutairi (2012)
              Over the last three decades, a handful of photochemical mechanisms have been applied to a large number of nanoscale assemblies that encapsulate a payload to afford spatio-temporal and remote control over activity of the encapsulated payload. Many of these systems are designed with an eye towards biomedical applications, as spatio-temporal and remote control of bioactivity would advance research and clinical practice. This review covers five underlying photochemical mechanisms that govern the activity of the majority of photoresponsive nanocarriers: 1. photo driven isomerization and oxidation, 2. surface plasmon absorption and photothermal effects, 3. photo driven hydrophobicity changes, 4. photo driven polymer backbone fragmentation and 5. photo driven de-crosslinking. The ways in which these mechanisms have been incorporated into nanocarriers and how they affect release are detailed, as well as the advantages and disadvantages of each system. Copyright © 2012 Elsevier B.V. All rights reserved.
              Article 0 comments Cited 108 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                Chenjie Xu: CJXu@ntu.edu.sg
                Journal
                Journal ID (nlm-ta): Nanomicro Lett
                Journal ID (iso-abbrev): Nanomicro Lett
                Title: Nano-Micro Letters
                Publisher: Springer Berlin Heidelberg (Berlin/Heidelberg )
                ISSN (Print): 2311-6706
                ISSN (Electronic): 2150-5551
                Publication date (Electronic): 31 October 2017
                Publication date PMC-release: 31 October 2017
                Publication date (Print): 2018
                Volume: 10
                Issue: 1
                Electronic Location Identifier: 10
                Affiliations
                ISNI 0000 0001 2224 0361, GRID grid.59025.3b, School of Chemical and Biomedical Engineering, , Nanyang Technological University, ; 62 Nanyang Drive, Singapore, 637459 Singapore
                Article
                Publisher ID: 166
                DOI: 10.1007/s40820-017-0166-0
                PMC ID: 6199057
                PubMed ID: 30393659
                SO-VID: b3efcb65-6842-4270-bcc7-ca9247ff8e11
                Copyright © © The Author(s) 2017
                License:

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

                History
                Date received : 1 September 2017
                Date accepted : 9 October 2017
                Categories
                Subject: Review
                Custom metadata
                issue-copyright-statement © The Author(s) 2018

                Keywords: photo-responsive liposome,controlled release,drug delivery,gold nanoparticles
                Data availability:
                Keywords: photo-responsive liposome, controlled release, drug delivery, gold nanoparticles

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