Preparation and adsorption properties of magnetic CoFe2O4–chitosan composite microspheres

A novel microsphere scaffolds composed of chitosan and β-TCP containing vancomycin was designed and prepared. The β-TCP/chitosan composite microspheres were prepared by solid-in-water-in-oil (s/w/o) emulsion cross-linking method with or without pre-cross-linking process. The mode of vancomycin maintaining in the β-TCP/chitosan composite microspheres was detected by Fourier transform infrared spectroscopy (FTIR). The in vitro release curve of vancomycin in simulated body fluid (SBF) was estimated. The results revealed that the pre-cross-linking prepared microspheres possessed higher loading efficiency (LE) and encapsulation efficiency (EE) especially decreasing the previous burst mass of vancomycin in incipient release. These composite microspheres got excellent sphere and well surface roughness in morphology. Vancomycin was encapsulated in composite microspheres through absorption and cross-linking. While in-vitro release curves illustrated that vancomycin release depond on diffusing firstly and then on the degradation ratio later. The microspheres loading with vancomycin would be to restore bone defect, meanwhile to inhibit bacterium proliferation. These bioactive, degradable composite microspheres have potential applications in 3D tissue engineering of bone and other tissues in vitro and in vivo.

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Preparation and Adsorption Properties of Magnetic Composite Microspheres Containing Metal–Organic Double Network Structure

Journal of Inorganic and Organometallic Polymers and Materials ◽

10.1007/s10904-020-01526-5 ◽

2020 ◽

Vol 30 (7) ◽

pp. 2301-2314

Author(s):

Junfeng Shi ◽

Hong Zhang ◽

Yue Yu ◽

Ming Yan ◽

Lingwei Liu ◽

...

Keyword(s):

Network Structure ◽

Adsorption Properties ◽

Magnetic Composite ◽

Double Network ◽

Composite Microspheres ◽

Metal Organic

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Fabrication of Antimicrobial Peptide-Loaded PLGA/Chitosan Composite Microspheres for Long-Acting Bacterial Resistance

Molecules ◽

10.3390/molecules22101637 ◽

2017 ◽

Vol 22 (10) ◽

pp. 1637 ◽

Cited By ~ 17

Author(s):

Yuanyuan Li ◽

Rongwei Na ◽

Xiumei Wang ◽

Huiying Liu ◽

Lingyun Zhao ◽

...

Keyword(s):

Antimicrobial Peptide ◽

Bacterial Resistance ◽

Composite Microspheres ◽

Long Acting ◽

Chitosan Composite

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Synthesis of chitosan composite microspheres and their application for the removal of stickies in the recycled paper

Journal of Polymer Research ◽

10.1007/s10965-020-02064-x ◽

2020 ◽

Vol 27 (4) ◽

Author(s):

Yuekai Geng ◽

Yi Jing ◽

Shanhui Wang ◽

Hu Qian

Keyword(s):

Recycled Paper ◽

Composite Microspheres ◽

Chitosan Composite

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Preparation and adsorption properties of magnetic chitosan composite adsorbent for Cu 2+ removal

Journal of Cleaner Production ◽

10.1016/j.jclepro.2017.04.156 ◽

2017 ◽

Vol 158 ◽

pp. 51-58 ◽

Cited By ~ 68

Author(s):

Jixiang Li ◽

Buqing Jiang ◽

Yi Liu ◽

Changquan Qiu ◽

Jiajun Hu ◽

...

Keyword(s):

Adsorption Properties ◽

Composite Adsorbent ◽

Magnetic Chitosan ◽

Chitosan Composite

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Polypropylene Glycol Modified Chitosan Composite as a Novel Adsorbent to Remove Cu(II) From Wastewater

Tenside Surfactants Detergents ◽

10.1515/tsd-2021-2388 ◽

2021 ◽

Vol 58 (6) ◽

pp. 486-489

Author(s):

Zheng Ji ◽

Yansong Zhang ◽

Huchuan Wang ◽

Chuanrun Li

Keyword(s):

Contact Time ◽

Potential Problem ◽

Polymeric Materials ◽

Adsorption Properties ◽

Maximum Adsorption Capacity ◽

Polypropylene Glycol ◽

Modified Chitosan ◽

Effects Of Ph ◽

Problem Solvers ◽

Chitosan Composite

Abstract Pollution by heavy metals has become a problem that needs to be solved urgently. Therefore, the development of new efficient adsorbents to treat this pollution is of great importance. Due to their excellent adsorption properties and good biodegradability, natural polymeric materials are potential problem solvers. This study reports on the production and application of polypropylene glycol modified chitosan composites (PMC). The PMC composite material has many functional groups (–OH and –NH2). Its maximum adsorption capacity for Cu(II) is 661.8 mg g–1. The corresponding adsorption studies, including the effects of pH, contact time and amount of adsorbent, showed that the PMC composite has potential application value.

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