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Biocompatible locust bean gum mesoporous matrices prepared by ionic liquids and a scCO(2) sustainable system

机译:通过离子液体和SCCO(2)可持续系统制备的生物相容性蝗虫豆胶介孔基质

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摘要

Locust bean gum (LBG) is a natural polymer that belongs to the increasingly attractive biodegradable polymers derived from natural sources. This polymer possesses a number of appealing features such as non-toxicity that confer it a high potential for the use in fields such as pharmacy and food industries. In this work, three methylimidazolium-based ionic liquids (ILs) were used as alternative media in the preparation of biocompatible LBG gel matrices. The process consists of dissolving the biomaterial in a selected IL followed by a multi-step solvent exchange using a mixture of water and ethanol. The final gel (internal surface areas ranging from 60 to 180 m(2) g(-1)) is then dried using a semi-continuous high pressure CO2 extraction process. To the best of our knowledge this is the first time that LBG mesoporous gel matrices are reported using this efficient sustainable method.
机译:蝗虫豆胶(LBG)是一种天然聚合物,属于来自天然来源的越来越有吸引力的可生物降解聚合物。 该聚合物具有许多吸引人的特征,例如赋予其在药房和食品行业等领域使用的高潜力。 在这项工作中,将三种基于甲基咪唑基离子液体(ILS)作为替代介质作为制备生物相容性LBG凝胶基质。 该方法包括将生物材料溶解在选定的IL中,然后使用水和乙醇的混合物进行多步溶剂交换。 然后使用半连续高压CO 2萃取工艺干燥最终凝胶(范围为60至180μm(-1))。 据我们所知,这是第一次使用这种有效的可持续方法来报告LBG中孔凝胶基质。

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  • 来源
    《RSC Advances》 |2015年第130期|共7页
  • 作者单位

    Univ Nova Lisboa Dept Quim LAQV REQUIMTE Fac Ciencias &

    Tecnol P-2829516 Monte De Caparica Portugal;

    Univ Nova Lisboa Dept Quim LAQV REQUIMTE Fac Ciencias &

    Tecnol P-2829516 Monte De Caparica Portugal;

    Univ Nova Lisboa Dept Quim LAQV REQUIMTE Fac Ciencias &

    Tecnol P-2829516 Monte De Caparica Portugal;

    Univ Nova Lisboa Dept Quim LAQV REQUIMTE Fac Ciencias &

    Tecnol P-2829516 Monte De Caparica Portugal;

    Univ Nova Lisboa Dept Quim LAQV REQUIMTE Fac Ciencias &

    Tecnol P-2829516 Monte De Caparica Portugal;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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