A Review on the Synthesis and Functionalization of Gold Nanoparticles as a Drug Delivery Vehicle
Sundus Jabeen Amina,1 Bin Guo2 1Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan; 2Department of Pharmacological & Pharmaceutical Sciences, University of Houston, Houston, TX 77204, USACorrespondence: Bin Guo; Sun...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2020
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| Acceso en línea: | https://doaj.org/article/983ebd11b5784437928f90269262be3a |
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| Sumario: | Sundus Jabeen Amina,1 Bin Guo2 1Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan; 2Department of Pharmacological & Pharmaceutical Sciences, University of Houston, Houston, TX 77204, USACorrespondence: Bin Guo; Sundus Jabeen Amina Email bguo@central.uh.edu; sundus.jabeenamina@gmail.comAbstract: Metal nanoparticles are being extensively used in biomedical fields due to their small size-to-volume ratio and extensive thermal stability. Gold nanoparticles (AuNPs) are an obvious choice for biomedical applications due to their amenability of synthesis, stabilization, and functionalization, low toxicity, and ease of detection. In the past few decades, various chemical methods have been used for the synthesis of AuNPs, but recently, newer environment friendly green approaches for the synthesis of AuNPs have gained attention. AuNPs can be conjugated with a number of functionalizing moieties including ligands, therapeutic agents, DNA, amino acids, proteins, peptides, and oligonucleotides. Recently, studies have shown that gold nanoparticles not only infiltrate the blood vessels to reach the site of tumor but also enter inside the organelles, suggesting that they can be employed as effective drug carriers. Moreover, after reaching their target site, gold nanoparticles can release their payload upon an external or internal stimulus. This review focuses on recent advances in various methods of synthesis of AuNPs. In addition, strategies of functionalization and mechanisms of application of AuNPs in drug and bio-macromolecule delivery and release of payloads at target site are comprehensively discussed.Keywords: gold nanoparticles, drug delivery, biological synthesis, functionalization, drug release |
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