2020
DOI: 10.1016/j.carbpol.2019.115614
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Cationic quaternized chitosan bioconjugates with aggregation-induced emission features for cell imaging

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Cited by 17 publications
(12 citation statements)
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“…Owing to its large specific surface area and π-conjugated structure, and significant surface activity deriving from abundant oxygen-containing functional groups, GO nanocarriers can load a mass of drugs ( Wang et al., 2018a ). CS, as a natural cationic polyelectrolyte, will be positively charged when encountering an acidic extracellular medium of solid tumors, which is very helpful for cellular uptake because nanocarriers with a positive charge are more attracted to negatively charged tumor cell membranes ( Qiao et al., 2020 ; Yang et al., 2019b ; Zhao et al., 2018 ). As a consequence, nanocomposites based on CS and GO are often used to efficiently immobilize or load antitumor drugs and biomacromolecules for controlled delivery and long-term sustained release.…”
Section: Drug and Biomacromolecules Deliverymentioning
confidence: 99%
“…Owing to its large specific surface area and π-conjugated structure, and significant surface activity deriving from abundant oxygen-containing functional groups, GO nanocarriers can load a mass of drugs ( Wang et al., 2018a ). CS, as a natural cationic polyelectrolyte, will be positively charged when encountering an acidic extracellular medium of solid tumors, which is very helpful for cellular uptake because nanocarriers with a positive charge are more attracted to negatively charged tumor cell membranes ( Qiao et al., 2020 ; Yang et al., 2019b ; Zhao et al., 2018 ). As a consequence, nanocomposites based on CS and GO are often used to efficiently immobilize or load antitumor drugs and biomacromolecules for controlled delivery and long-term sustained release.…”
Section: Drug and Biomacromolecules Deliverymentioning
confidence: 99%
“…As a result, the cationic CS, or the quaternized chitosan (QCS), has recently found applications in the preparation of various materials, ranging from daily life (for instances, agriculture, water and waste, food and beverages treatment, cosmetics and toiletries) to advanced research (e.g., in biopharmaceutical and biomedical fields) [10][11][12]. One of the most promising applications is to utilize the intrinsic property of CS or QCS as matrixes in the fabrication of drug delivery nanocarriers [13][14][15][16][17][18]. Generally, drug delivery nanocarriers have recently garnered huge attention in many scientific branches [19].…”
Section: Introductionmentioning
confidence: 99%
“…A number of efforts have been devoted to enhance the water solubility of CS derivatives via the reactions with NH 2 and OH functional groups of CS. As result quaternized CS (QCS), 56 carboxymethyl CS, 57 N ‐gluconic acid CS, 58 and CS‐catechol conjugate 59 were obtained, and on reaction with acetic anhydride resulted N‐acetylated CS 60,61 . Table 1 illustrates some of the reports carried out in this field.…”
Section: Resultsmentioning
confidence: 99%