Synthesis and characterization of camptothecin-rhamnolipid-layered double hydroxide nanohybrid and its controlled release property

Camptothecin (CPT) is a kind of hydrophobic anticancer drug. The clinical application of CPT is limited by its poor water solubility and serious side effects. In this work, layered double hydroxide (LDH) nanosheets were prepared in an aqueous synthetic route, and rhamnolipid (RL) anions were assembl...

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Published inJournal of dispersion science and technology Vol. 41; no. 10; pp. 1496 - 1503
Main Authors Li, Yan, Mao, Xiao-Ming, Liang, Ya-Qin
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis 03.08.2020
Taylor & Francis Ltd
Subjects
Camptothecin
Control stability
Controlled release
Diffusion rate
Drug delivery systems
Ethanol
Hydrophobicity
Hydroxides
Interlayers
layered double hydroxide (LDH) nanosheets
Morphology
Nanostructure
rhamnolipid
Rhamnolipids
secondary intercalation
Side effects
Thermal stability
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Abstract Camptothecin (CPT) is a kind of hydrophobic anticancer drug. The clinical application of CPT is limited by its poor water solubility and serious side effects. In this work, layered double hydroxide (LDH) nanosheets were prepared in an aqueous synthetic route, and rhamnolipid (RL) anions were assembled with LDH nanosheets to form a RL-LDH nanohybrid. A CPT-intercalated RL-LDH (CPT-RL-LDH) nanohybrid was then prepared via hydrophobic interaction in a saturated ethanol solution of CPT. A possible morphology of CPT molecules in the hydrophobic interlayer region of RL-LDH was proposed according to the size of CPT molecule and the gallery height of the RL-LDH. The obtained CPT-RL-LDH nanohybrid showed high thermal stability and controlled release of CPT. The diffusion of CPT through CPT-RL-LDH particles was the rate-limiting step of CPT release. The drug-RL-LDH nanohybrids can be used as potential drug delivery materials.
AbstractList Camptothecin (CPT) is a kind of hydrophobic anticancer drug. The clinical application of CPT is limited by its poor water solubility and serious side effects. In this work, layered double hydroxide (LDH) nanosheets were prepared in an aqueous synthetic route, and rhamnolipid (RL) anions were assembled with LDH nanosheets to form a RL-LDH nanohybrid. A CPT-intercalated RL-LDH (CPT-RL-LDH) nanohybrid was then prepared via hydrophobic interaction in a saturated ethanol solution of CPT. A possible morphology of CPT molecules in the hydrophobic interlayer region of RL-LDH was proposed according to the size of CPT molecule and the gallery height of the RL-LDH. The obtained CPT-RL-LDH nanohybrid showed high thermal stability and controlled release of CPT. The diffusion of CPT through CPT-RL-LDH particles was the rate-limiting step of CPT release. The drug-RL-LDH nanohybrids can be used as potential drug delivery materials.
Author Mao, Xiao-Ming
Liang, Ya-Qin
Li, Yan
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Snippet Camptothecin (CPT) is a kind of hydrophobic anticancer drug. The clinical application of CPT is limited by its poor water solubility and serious side effects....
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SubjectTerms Camptothecin
Control stability
Controlled release
Diffusion rate
Drug delivery systems
Ethanol
Hydrophobicity
Hydroxides
Interlayers
layered double hydroxide (LDH) nanosheets
Morphology
Nanostructure
rhamnolipid
Rhamnolipids
secondary intercalation
Side effects
Thermal stability
Title Synthesis and characterization of camptothecin-rhamnolipid-layered double hydroxide nanohybrid and its controlled release property
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Volume 41
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