Graphene Quantum Dots (GQDs) for Bioimaging and Drug Delivery Applications: A Review

Quantum dots (QDs) exhibit unique physicochemical and optical properties that are suitable for photovoltaic cells, light-emitting diodes, and optoelectronic devices; however, unlike selenium and tellurium/metal-sulfide-based QDs, graphene quantum dots (GQDs) are comparatively less toxic and biocompa...

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Published inACS materials letters Vol. 3; no. 6; pp. 889 - 911
Main Authors Biswas, Manik Chandra, Islam, Md Tariqul, Nandy, Pranab Kumar, Hossain, Md Milon
Format Journal Article
LanguageEnglish
Published American Chemical Society 07.06.2021
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Abstract Quantum dots (QDs) exhibit unique physicochemical and optical properties that are suitable for photovoltaic cells, light-emitting diodes, and optoelectronic devices; however, unlike selenium and tellurium/metal-sulfide-based QDs, graphene quantum dots (GQDs) are comparatively less toxic and biocompatible, making them promising candidates for biological applications such as bioimaging, drug delivery agents, therapeutics, and theranostics. Various synthesis techniques such as top-down and bottom-up methods along with novel green synthesis methods for the preparation of pure and doped GQDs are thoroughly discussed in this study. Physicochemical, optical, and biological properties such as size- and chemical-composition-dependent fluorescence, therapeutics, disease diagnostics, biocompatibility, and cellular toxicity are extensively studied and summarized. Finally, the prospects and potential directions of GQDs in drug delivery and bioimaging systems are discussed in regards to challenges such as the synthesis, biocompatibility, and cellular toxicity.
AbstractList Quantum dots (QDs) exhibit unique physicochemical and optical properties that are suitable for photovoltaic cells, light-emitting diodes, and optoelectronic devices; however, unlike selenium and tellurium/metal-sulfide-based QDs, graphene quantum dots (GQDs) are comparatively less toxic and biocompatible, making them promising candidates for biological applications such as bioimaging, drug delivery agents, therapeutics, and theranostics. Various synthesis techniques such as top-down and bottom-up methods along with novel green synthesis methods for the preparation of pure and doped GQDs are thoroughly discussed in this study. Physicochemical, optical, and biological properties such as size- and chemical-composition-dependent fluorescence, therapeutics, disease diagnostics, biocompatibility, and cellular toxicity are extensively studied and summarized. Finally, the prospects and potential directions of GQDs in drug delivery and bioimaging systems are discussed in regards to challenges such as the synthesis, biocompatibility, and cellular toxicity.
Author Biswas, Manik Chandra
Nandy, Pranab Kumar
Islam, Md Tariqul
Hossain, Md Milon
AuthorAffiliation Department of Chemistry
Tuskegee University
Department of Textile Engineering
Textile Engineering, Chemistry and Science, Wilson College of Textiles
Khulna University of Engineering & Technology
Materials Science and Engineering, Tuskegee University Center for Advanced Materials (T-CAM)
AuthorAffiliation_xml – name: Tuskegee University
– name: Department of Chemistry
– name: Department of Textile Engineering
– name: Textile Engineering, Chemistry and Science, Wilson College of Textiles
– name: Khulna University of Engineering & Technology
– name: Materials Science and Engineering, Tuskegee University Center for Advanced Materials (T-CAM)
Author_xml – sequence: 1
  givenname: Manik Chandra
  orcidid: 0000-0003-3786-2774
  surname: Biswas
  fullname: Biswas, Manik Chandra
  email: mbiswas2@ncsu.edu
  organization: Tuskegee University
– sequence: 2
  givenname: Md Tariqul
  surname: Islam
  fullname: Islam, Md Tariqul
  organization: Department of Chemistry
– sequence: 3
  givenname: Pranab Kumar
  surname: Nandy
  fullname: Nandy, Pranab Kumar
  organization: Department of Chemistry
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  givenname: Md Milon
  orcidid: 0000-0001-8416-0631
  surname: Hossain
  fullname: Hossain, Md Milon
  organization: Khulna University of Engineering & Technology
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Snippet Quantum dots (QDs) exhibit unique physicochemical and optical properties that are suitable for photovoltaic cells, light-emitting diodes, and optoelectronic...
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Title Graphene Quantum Dots (GQDs) for Bioimaging and Drug Delivery Applications: A Review
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