Swellable Plasma Polymer Films for Use in Hydrogel-Based Biomedical Devices

IF 2.6 3区物理与天体物理 Q3 ENGINEERING, CHEMICAL Plasma Chemistry and Plasma Processing Pub Date : 2024-10-04 DOI:10.1007/s11090-024-10504-5

Bishakh Rout, Pierre-Luc Girard-Lauriault

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Abstract

Swellable plasma polymer films have been deposited on silicon wafers and hydrogels in a low-pressure PECVD system. Deposition characteristics and physico-chemical characterization data of swellable oxygen-rich plasma polymerised ethylene films were studied. These films were deposited using gas flows consisting of C₂H₄ (5 sccm) and CO₂ (10–40 sccm). Using profilometry, changes in thickness of films over multiple water immersion and drying cycles were recorded. Changes in the structure and morphology of films was also evaluated by using scanning electron microscopy, dye permeation studies and atomic force microscopy. Mechanical properties of the films were studied by using nanoindentation experiments, and intrinsic residual stresses were also calculated for the films. The behaviour of films was dependent on the flexibility and water content of the underlying hydrogel substrates. These findings pave way for creation of stable plasma polymer films on biomedical devices made from hydrogels.

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用于水凝胶生物医学设备的可膨胀等离子体聚合物薄膜

在低压PECVD系统中，在硅片和水凝胶上沉积了可膨胀等离子体聚合物薄膜。研究了可膨胀富氧等离子体聚合乙烯膜的沉积特性和理化表征数据。这些薄膜是用C2H4 （5 sccm）和CO2 （10-40 sccm）组成的气流沉积的。利用轮廓术，在多次水浸泡和干燥循环中记录了薄膜厚度的变化。利用扫描电子显微镜、染料渗透研究和原子力显微镜对膜的结构和形态变化进行了评价。利用纳米压痕实验研究了薄膜的力学性能，并计算了薄膜的固有残余应力。薄膜的行为取决于底层水凝胶基质的柔韧性和含水量。这些发现为在水凝胶制成的生物医学设备上制造稳定的等离子体聚合物薄膜铺平了道路。

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来源期刊

Plasma Chemistry and Plasma Processing 工程技术-工程：化工

CiteScore

5.90

自引率

8.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Publishing original papers on fundamental and applied research in plasma chemistry and plasma processing, the scope of this journal includes processing plasmas ranging from non-thermal plasmas to thermal plasmas, and fundamental plasma studies as well as studies of specific plasma applications. Such applications include but are not limited to plasma catalysis, environmental processing including treatment of liquids and gases, biological applications of plasmas including plasma medicine and agriculture, surface modification and deposition, powder and nanostructure synthesis, energy applications including plasma combustion and reforming, resource recovery, coupling of plasmas and electrochemistry, and plasma etching. Studies of chemical kinetics in plasmas, and the interactions of plasmas with surfaces are also solicited. It is essential that submissions include substantial consideration of the role of the plasma, for example, the relevant plasma chemistry, plasma physics or plasma–surface interactions; manuscripts that consider solely the properties of materials or substances processed using a plasma are not within the journal’s scope.