Graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol)
Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro...
Ausführliche Beschreibung
Autor*in: |
Saez, Vivian [verfasserIn] |
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E-Artikel |
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Englisch |
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2019transfer abstract |
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Übergeordnetes Werk: |
Enthalten in: Application of a fuzzy-logic based model for risk assessment in additive manufacturing R&D projects - Moreno-Cabezali, Belen Maria ELSEVIER, 2020, an international journal devoted to fundamental aspects of structure, interactions and dynamic processes in simple, molecular and complex liquids, New York, NY [u.a.] |
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volume:287 ; year:2019 ; day:1 ; month:08 ; pages:0 |
Links: |
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DOI / URN: |
10.1016/j.molliq.2019.110949 |
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520 | |a Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. | ||
520 | |a Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. | ||
700 | 1 | |a de Menezes, Frederico Duarte |4 oth | |
700 | 1 | |a dos Santos, Clenilton Costa |4 oth | |
700 | 1 | |a Alencar, Luciana Magalhaes Rebelo |4 oth | |
700 | 1 | |a Ricci-Junior, Edardo |4 oth | |
700 | 1 | |a Mansur, Cláudia Regina Elias |4 oth | |
700 | 1 | |a Santos-Oliveira, Ralph |4 oth | |
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10.1016/j.molliq.2019.110949 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000877.pica (DE-627)ELV047181788 (ELSEVIER)S0167-7322(19)31735-0 DE-627 ger DE-627 rakwb eng 004 VZ 85.35 bkl 54.80 bkl Saez, Vivian verfasserin aut Graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol) 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. de Menezes, Frederico Duarte oth dos Santos, Clenilton Costa oth Alencar, Luciana Magalhaes Rebelo oth Ricci-Junior, Edardo oth Mansur, Cláudia Regina Elias oth Santos-Oliveira, Ralph oth Enthalten in Elsevier Moreno-Cabezali, Belen Maria ELSEVIER Application of a fuzzy-logic based model for risk assessment in additive manufacturing R&D projects 2020 an international journal devoted to fundamental aspects of structure, interactions and dynamic processes in simple, molecular and complex liquids New York, NY [u.a.] (DE-627)ELV004280490 volume:287 year:2019 day:1 month:08 pages:0 https://doi.org/10.1016/j.molliq.2019.110949 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 85.35 Fertigung VZ 54.80 Angewandte Informatik VZ AR 287 2019 1 0801 0 |
spelling |
10.1016/j.molliq.2019.110949 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000877.pica (DE-627)ELV047181788 (ELSEVIER)S0167-7322(19)31735-0 DE-627 ger DE-627 rakwb eng 004 VZ 85.35 bkl 54.80 bkl Saez, Vivian verfasserin aut Graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol) 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. de Menezes, Frederico Duarte oth dos Santos, Clenilton Costa oth Alencar, Luciana Magalhaes Rebelo oth Ricci-Junior, Edardo oth Mansur, Cláudia Regina Elias oth Santos-Oliveira, Ralph oth Enthalten in Elsevier Moreno-Cabezali, Belen Maria ELSEVIER Application of a fuzzy-logic based model for risk assessment in additive manufacturing R&D projects 2020 an international journal devoted to fundamental aspects of structure, interactions and dynamic processes in simple, molecular and complex liquids New York, NY [u.a.] (DE-627)ELV004280490 volume:287 year:2019 day:1 month:08 pages:0 https://doi.org/10.1016/j.molliq.2019.110949 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 85.35 Fertigung VZ 54.80 Angewandte Informatik VZ AR 287 2019 1 0801 0 |
allfields_unstemmed |
10.1016/j.molliq.2019.110949 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000877.pica (DE-627)ELV047181788 (ELSEVIER)S0167-7322(19)31735-0 DE-627 ger DE-627 rakwb eng 004 VZ 85.35 bkl 54.80 bkl Saez, Vivian verfasserin aut Graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol) 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. de Menezes, Frederico Duarte oth dos Santos, Clenilton Costa oth Alencar, Luciana Magalhaes Rebelo oth Ricci-Junior, Edardo oth Mansur, Cláudia Regina Elias oth Santos-Oliveira, Ralph oth Enthalten in Elsevier Moreno-Cabezali, Belen Maria ELSEVIER Application of a fuzzy-logic based model for risk assessment in additive manufacturing R&D projects 2020 an international journal devoted to fundamental aspects of structure, interactions and dynamic processes in simple, molecular and complex liquids New York, NY [u.a.] (DE-627)ELV004280490 volume:287 year:2019 day:1 month:08 pages:0 https://doi.org/10.1016/j.molliq.2019.110949 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 85.35 Fertigung VZ 54.80 Angewandte Informatik VZ AR 287 2019 1 0801 0 |
allfieldsGer |
10.1016/j.molliq.2019.110949 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000877.pica (DE-627)ELV047181788 (ELSEVIER)S0167-7322(19)31735-0 DE-627 ger DE-627 rakwb eng 004 VZ 85.35 bkl 54.80 bkl Saez, Vivian verfasserin aut Graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol) 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. de Menezes, Frederico Duarte oth dos Santos, Clenilton Costa oth Alencar, Luciana Magalhaes Rebelo oth Ricci-Junior, Edardo oth Mansur, Cláudia Regina Elias oth Santos-Oliveira, Ralph oth Enthalten in Elsevier Moreno-Cabezali, Belen Maria ELSEVIER Application of a fuzzy-logic based model for risk assessment in additive manufacturing R&D projects 2020 an international journal devoted to fundamental aspects of structure, interactions and dynamic processes in simple, molecular and complex liquids New York, NY [u.a.] (DE-627)ELV004280490 volume:287 year:2019 day:1 month:08 pages:0 https://doi.org/10.1016/j.molliq.2019.110949 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 85.35 Fertigung VZ 54.80 Angewandte Informatik VZ AR 287 2019 1 0801 0 |
allfieldsSound |
10.1016/j.molliq.2019.110949 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000877.pica (DE-627)ELV047181788 (ELSEVIER)S0167-7322(19)31735-0 DE-627 ger DE-627 rakwb eng 004 VZ 85.35 bkl 54.80 bkl Saez, Vivian verfasserin aut Graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol) 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. de Menezes, Frederico Duarte oth dos Santos, Clenilton Costa oth Alencar, Luciana Magalhaes Rebelo oth Ricci-Junior, Edardo oth Mansur, Cláudia Regina Elias oth Santos-Oliveira, Ralph oth Enthalten in Elsevier Moreno-Cabezali, Belen Maria ELSEVIER Application of a fuzzy-logic based model for risk assessment in additive manufacturing R&D projects 2020 an international journal devoted to fundamental aspects of structure, interactions and dynamic processes in simple, molecular and complex liquids New York, NY [u.a.] (DE-627)ELV004280490 volume:287 year:2019 day:1 month:08 pages:0 https://doi.org/10.1016/j.molliq.2019.110949 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 85.35 Fertigung VZ 54.80 Angewandte Informatik VZ AR 287 2019 1 0801 0 |
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Enthalten in Application of a fuzzy-logic based model for risk assessment in additive manufacturing R&D projects New York, NY [u.a.] volume:287 year:2019 day:1 month:08 pages:0 |
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Saez, Vivian @@aut@@ de Menezes, Frederico Duarte @@oth@@ dos Santos, Clenilton Costa @@oth@@ Alencar, Luciana Magalhaes Rebelo @@oth@@ Ricci-Junior, Edardo @@oth@@ Mansur, Cláudia Regina Elias @@oth@@ Santos-Oliveira, Ralph @@oth@@ |
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graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol) |
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Graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol) |
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Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. |
abstractGer |
Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. |
abstract_unstemmed |
Graphene quantum dots (GQDs) have special properties at nanosize zone, as highly tunable photoluminescence, electrochemiluminescence and multiphoton excitation, that make them promising nanoagents for drug delivery systems. In this direction the use of gels to formulate nanodrugs, for both in vitro and in vivo assay is required. However, the presence of GQDs nanoparticles may affect the rheological parameters. These changes may influence the biological behavior of this formulation as change the pharmacological application. In this study we evaluated the effect of adding GQDs to carbopol gels formulation, in terms of rheological properties. In this direction, carbopol gels alone and loaded with GQDs were studied. The results of pure carbopol formulation showed a non-Newtonian, pseudo-plastic fluid without thixotropic behavior. Otherwise, the presence of GQDs in the carbopol formulation (carbopol loaded with GQDs) caused a reduction on the viscosity and modified the interactions between the polymer chains leading to the transformation of the initial gel into a viscous fluid. This alteration can change drastically the use of these formulations, especially for drug delivery, since slightly changes in viscosity can influence the occlusion, retention and permeability of these nanoparticles into biological barriers. |
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Graphene quantum dots nanoparticles changed the rheological properties of hydrophilic gels (carbopol) |
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de Menezes, Frederico Duarte dos Santos, Clenilton Costa Alencar, Luciana Magalhaes Rebelo Ricci-Junior, Edardo Mansur, Cláudia Regina Elias Santos-Oliveira, Ralph |
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de Menezes, Frederico Duarte dos Santos, Clenilton Costa Alencar, Luciana Magalhaes Rebelo Ricci-Junior, Edardo Mansur, Cláudia Regina Elias Santos-Oliveira, Ralph |
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