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Burgeoning Polymer Nano Blends for Improved Controlled Drug Release: A Review Publisher Pubmed



Maghsoudi S1 ; Shahraki BT1 ; Rabiee N2 ; Fatahi Y3, 4, 5 ; Dinarvand R3, 4 ; Tavakolizadeh M6 ; Ahmadi S7, 8 ; Rabiee M9 ; Bagherzadeh M2 ; Pourjavadi A6 ; Farhadnejad H10 ; Tahriri M11 ; Webster TJ12 ; Tayebi L11
Authors

Source: International Journal of Nanomedicine Published:2020


Abstract

With continual rapid developments in the biomedical field and understanding of the important mechanisms and pharmacokinetics of biological molecules, controlled drug delivery systems (CDDSs) have been at the forefront over conventional drug delivery systems. Over the past several years, scientists have placed boundless energy and time into exploiting a wide variety of excipients, particularly diverse polymers, both natural and synthetic. More recently, the development of nano polymer blends has achieved noteworthy attention due to their amazing properties, such as biocompatibility, biodegradability and more importantly, their pivotal role in controlled and sustained drug release in vitro and in vivo. These compounds come with a number of effective benefits for improving problems of targeted or controlled drug and gene delivery systems; thus, they have been extensively used in medical and pharmaceutical applications. Additionally, they are quite attractive for wound dressings, textiles, tissue engineering, and biomedical prostheses. In this sense, some important and workable natural polymers (namely, chitosan (CS), starch and cellulose) and some applicable synthetic ones (such as poly-lactic-co-glycolic acid (PLGA), poly(lactic acid) (PLA) and poly-glycolic acid (PGA)) have played an indispensable role over the last two decades for their therapeutic effects owing to their appealing and renewable biological properties. According to our data, this is the first review article highlighting CDDSs composed of diverse natural and synthetic nano biopolymers, blended for biological purposes, mostly over the past five years; other reviews have just briefly mentioned the use of such blended polymers. We, additionally, try to make comparisons between various nano blending systems in terms of improved sustained and controlled drug release behavior. © 2020 Maghsoudi et al.
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