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Hydrogel nanoparticles and nanocomposites for nasal drug/vaccine delivery
Sara Salatin,Jaleh Barar,Mohammad Barzegar-Jalali,Khosro Adibkia,Mitra Alami Milani,Mitra Jelvehgari 대한약학회 2016 Archives of Pharmacal Research Vol.39 No.9
Over the past few years, nasal drug delivery has attracted more and more attentions, and been recognized as the most promising alternative route for the systemic medication of drugs limited to intravenous administration. Many experiments in animal models have shown that nanoscale carriers have the ability to enhance the nasal delivery of peptide/protein drugs and vaccines compared to the conventional drug solution formulations. However, the rapid mucociliary clearance of the drug-loaded nanoparticles can cause a reduction in bioavailability percentage after intranasal administration. Thus, research efforts have considerably been directed towards the development of hydrogel nanosystems which have mucoadhesive properties in order to maximize the residence time, and hence increase the period of contact with the nasal mucosa and enhance the drug absorption. It is most certain that the high viscosity of hydrogel-based nanosystems can efficiently offer this mucoadhesive property. This update review discusses the possible benefits of using hydrogel polymer-based nanoparticles and hydrogel nanocomposites for drug/vaccine delivery through the intranasal administration.
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Current Researches in Modular Biofabrication: Tissue Building Blocks and Bioreactors
Zakhireh Solmaz,Mesgari-Shadi Ali,Barar Jaleh,Omidi Yadollah,Beygi-Khosrowshahi Younes,Adibkia Khosro 한국화학공학회 2024 Korean Journal of Chemical Engineering Vol.41 No.6
Modular tissue engineering (TE) is based on the design, fabrication, and arrangement of replicated microtissue constructs to generate functional tissues. The advantage of this strategy is to produce tissues that more closely mimic the complex structure of native tissues/organs. High-precision technologies such as microfl uidics, 3D bioprinting, and electrospinning, which support both cell- and scaff old-based biofabrication methods, are implemented in a bottom-up TE strategy. Bioreactors are used in the last step of the tissue production process. Packed bed perfusion bioreactors are widely applied in bottom-up tissue engineering due to their ability to control perfusion to tissues. Modeling and simulation software packages are used as powerful tools to predict the perfusion and fl ow distribution to the tissues and to design robust bioreactors. This review imparts on the recent advances in the fi eld of bottom-up TE process and provides comprehensive insights into the cell-based and scaff old-based strategies used for the biofabrication/assembly of tissue building blocks (BBs). Microfl uidic devices and 3D-bioprinting technology are mentioned as precise controlling tools in this regard, the promoted applications of which are swiftly growing.
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