The pH sensitive properties of carboxymethyl chitosan nanoparticles cross-linked with calcium ions

Chen, 2003, Chemical characteristics of O-carboxymethyl chitosans related to the preparation conditions, Carbohydr. Polym., 53, 10.1016/S0144-8617(03)00051-1 Mourya, 2010, Carboxymethyl chitosan and its applications, Adv. Mat. Lett., 1, 11, 10.5185/amlett.2010.3108 Jayakumar, 2010, Novel carboxymethyl derivatives of chitin and chitosan materials and their biomedical applications, Prog. Mater. Sci., 55, 675, 10.1016/j.pmatsci.2010.03.001 Jayakumar, 2010, Biomedical applications of chitin and chitosan based nanomaterials—a short review, Carbohydr. Polym., 82, 227, 10.1016/j.carbpol.2010.04.074 Berger, 2004, Structure and interactions in chitosan hydrogels formed by complexation or aggregation for biomedical applications, Eur. J. Pharm. Biopharm., 57, 35, 10.1016/S0939-6411(03)00160-7 Berger, 2004, Structure and interactions in covalently and ionically crosslinked chitosan hydrogels for biomedical applications, Eur. J. Pharm. Biopharm., 57, 19, 10.1016/S0939-6411(03)00161-9 Aveyard, 1996, Particle wettability and line tension, J. Chem. Soc. Faraday Trans., 92, 85, 10.1039/ft9969200085 Kalliola, 2016, The stability of green nanoparticles in increased pH and salinity for applications in oil spill-treatment, Coll. Surf. A: Physicochem. Eng. Aspects, 493, 99, 10.1016/j.colsurfa.2016.01.011 Anitha, 2009, Synthesis, characterization, cytotoxicity and antibacterial studies of chitosan, O-carboxymethyl and N,O-carboxymethyl chitosan nanoparticles, Carbohydr. Polym., 78, 672, 10.1016/j.carbpol.2009.05.028 Wang, 2010, Calcium Carbonate/carboxymethyl chitosan hybrid microspheres and nanospheres for drug delivery, J. Phys. Chem. C, 114, 18940, 10.1021/jp105906p Anitha, 2011, Efficient water soluble O-carboxymethyl chitosan nanocarrier for the delivery of curcumin to cancer cells, Carbohydr. Polym., 83, 452, 10.1016/j.carbpol.2010.08.008 Teng, 2013, Carboxymethyl chitosan–soy protein complex nanoparticles for the encapsulation and controlled release of vitamin D3, Food Chem., 141, 524, 10.1016/j.foodchem.2013.03.043 Huang, 2016, O-carboxymethyl chitosan/fucoidan nanoparticles increase cellular curcumin uptake, Food Hydrocoll., 53, 261, 10.1016/j.foodhyd.2015.02.006 Shi, 2006, Effect of degree of substitution and molecular weight of carboxymethyl chitosan nanoparticles on doxorubicin delivery, J. Appl. Polym. Sci., 100, 4689, 10.1002/app.23040 Shigemasa, 1996, Evaluation of different absorbance ratios from infrared spectroscopy for analyzing the degree of deacetylation in chitin, Int. J. Biol. Macromol., 18, 237, 10.1016/0141-8130(95)01079-3 Zhu, 2005, The aggregation behavior of O-carboxymethylchitosan in dilute aqueous solution, Colloids Surf. B: Biointerfaces, 43, 143, 10.1016/j.colsurfb.2005.04.009 Hjerde, 1997, Chemical composition of O-(carboxymethyl)-chitins in relation to lysozyme degradation rates, Carbohydr. Polym., 34, 131, 10.1016/S0144-8617(97)00113-6 Lavertu, 2003, A validated 1H NMR method for the determination of the degree of deacetylation of chitosan, J. Pharm. Biomed. Anal., 32, 1149, 10.1016/S0731-7085(03)00155-9 de Abreu, 2005, Preparation and characterization of carboxymethylchitosan, Polímeros: Ciência e Tecnologia, 15, 79, 10.1590/S0104-14282005000200004 Kong, 2012, Simultaneous determination of degree of deacetylation, degree of substitution and distribution fraction of -COONa in carboxymethyl chitosan by potentiometric titration, Carbohydr. Polym., 88, 336, 10.1016/j.carbpol.2011.12.019 Wang, 2008, Dissociation behaviors of carboxyl and amine groups on carboxymethyl-chitosan in aqueous system, J. Polym. Sci.: Part B: Polym. Phys., 46, 1419, 10.1002/polb.21475 Liu, 2012, Simple, reversible emulsion system switched by pH on the basis of chitosan without any hydrophobic modification, Langmuir, 28, 11017, 10.1021/la3021113