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首页> 外文期刊>RSC Advances >Large scale applications of immobilized enzymes call for sustainable and inexpensive solutions: rice husks as renewable alternatives to fossil-based organic resins
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Large scale applications of immobilized enzymes call for sustainable and inexpensive solutions: rice husks as renewable alternatives to fossil-based organic resins

机译：固定化酶的大规模应用呼吁可持续廉价的解决方案：稻壳作为化石有机树脂的可再生替代品

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摘要

Despite the extensive efforts of the scientific community towards the development of a vast variety of immobilization methods, there is a limited number of immobilized biocatalysts used at an industrial scale. Most often, cost issues prevent the transfer of methodologies to large scale but more recently sustainability criteria are also becoming increasingly relevant, so that petroleum based carriers for enzyme immobilization appear unsuitable for responding to the new challenges of green and renewable chemistry. Here we report, for the first time, a preliminary overview of the potential of rice husks as carriers to be employed for both physical and covalent immobilization of enzymes. The data indicate that the chemical versatility of this lignocellulosic biomass, containing also silica, opens wide scenarios for optimizing different immobilization procedures requiring minimal pre-treatments and applicable to various enzymes and process conditions. The mechanical and chemical robustness of rice husks, along with their virtually unlimited availability worldwide, make this inexpensive natural matrix a promising candidate for replacing organic fossil-based carriers for enzyme immobilization.
机译：尽管科学界对发展了各种各样的固定方法的广泛努力，但在工业规模中使用了有限数量的固定生物催化剂。最常见的是，成本问题防止了方法转移到大规模的情况下，但最近的可持续性标准也变得越来越相关，因此酶固定化的石油携带者似乎不适合回应绿色和可再生化学的新挑战。在这里，我们首次报告了稻壳的潜力作为用于用于物理和共价固定的携带者的载体的潜力。数据表明，这种木质纤维素生物质的化学多种能力，含有二氧化硅，可打开宽方案，以优化需要最小预处理的不同固定程序，并适用于各种酶和工艺条件。大米壳的机械和化学稳健性以及全球几乎无限的可用性，使得这种廉价的天然基质成为替代有机化石的携带者的酶固定化的有希望的候选者。

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