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Evaluation of Polyacrylonitrile Electrospun Nano-Fibrous Mats As Leukocyte Removal Filter Media Publisher Pubmed



Pourbaghi R1 ; Zarrebini M1 ; Semnani D1 ; Pourazar A2 ; Akbari N3 ; Shamsfar R3
Authors
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Authors Affiliations
  1. 1. Department of Textile Engineering, Isfahan University of Technology, Isfahan, Iran
  2. 2. Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Isfahan Blood Transfusion Organization, Isfahan, Iran

Source: Journal of Biomedical Materials Research - Part B Applied Biomaterials Published:2018


Abstract

Removal of leukocytes from blood products is the most effective means for elimination of undesirable side effects and prevention of possible reactions in recipients. Micro-fibrous mats are currently used for removal of leukocytes from blood. In this study, samples of electrospun nano-fibrous mats were produced. The performance of the produced electrospun nano-fibrous mats as means of leukocytes removal from fresh whole blood was both evaluated and compared with that of commercially available micro-fibrous mats. In order to produce the samples, polyacrylonitrile (PAN) nano-fibrous mats were made under different electrospinning conditions. Mean fiber diameter, pore characterization and surface roughness of the PAN nano-fibrous mats were determined using image processing technique. In order to evaluate the surface tension of the fabricated mats, water contact angle was measured. The leukocyte removal performance, erythrocytes recovery percent and hemolysis rate of the nano-fibrous mats were compared. The effectiveness of nano-fibrous mats in removing leukocyte was established using both scanning electron microscope and optical microscope. Results showed that for given weight, the fabricated nano-fibrous mats were not only more efficient but also more cost-effective than their commercial counterparts. Results confirmed that changes in mean fiber diameter, the number of layer and weight of each layer in the absence of any chemical reaction or physical surface modification, the fabricated nano-fibrous mats were able to remove 5-log of leukocytes. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 1759–1769, 2018. © 2017 Wiley Periodicals, Inc.
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