Chitosan/halloysite nanotubes microcomposites: A double header approach for sustained release of ciprofloxacin and its hemostatic effects
2022
Arshad, Muhammad Shahbaz | Qaiser, Muhammad | Mahmood, Khalid | Shoaib, Muhammad Harris | Ameer, Nabeela | Ramzan, Nasreen | Ḥanīf, Muḥammad | Abbas, Ghulam
Clotting time of lower gastro intestinal bleeding (LGIB) can be reduced by using simple, cost-effective, and naturally occurring halloysite nanotubes (HNTs). The present study aimed to decrease the clotting time by the application of chitosan (CHT) and its microcomposites (MCs) prepared by suspension emulsification technique with HNTs (CHT/HNTs MC). Physicochemical properties, X-Ray diffraction (XRD), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and percentage release of ciprofloxacin from CHT/HNTs MCs was evaluated. In-vitro procoagulant activity of CHT, HNTs and their complexes CHT/HNTs MCs was performed on rabbit blood which was confirmed by a rat tail amputation. Direct relation of HNTs was observed for the whole-blood clotting kinetics i.e., 2% HNTs showed a maximum 66.0% increase in the clotting ability as compared with pure CHT. Interestingly, rat-tail amputation studies showed comparative results of CHT, HNTs, and CHT/HNTs MCs. A total of 75% permeation of ciprofloxacin of CHT/HNTs MCs on rat intestinal membrane was observed within 3 h, confirming their SR behavior. Furthermore, improved hemostatic and clotting properties were CHT/HNTs MC₁ > CHT/HNTs MC₂ > CHT/HNTs MC₃ > CHT > HNTs, respectively. Thus, it provided the control of bleeding disorders in LGIB with any antibacterial agents, particularly ciprofloxacin.
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