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首页> 外文会议>Proceedings of the FNCA 2007 workshop on application of electron accelerator : Radiation processing of natural polymer >Research Development on Radiation Processing in Sri Lanka
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Research Development on Radiation Processing in Sri Lanka

机译：斯里兰卡的辐射加工研究与开发

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Research on radiation processing of natural polymer such as polysaccharides of chitosan, cellulose, carrageenan has been carried out in Sri Lanka since the year 2004. The research group have been involving in development activities on application of chitin & chitosan for wound dressing, irradiated chitosan on shelf life extension of fruits such as papaya, banana, mangoes, radiation crosslinked super-absorbent hydrogel from sodium carboxymethyl cellulose by radiation processing. Hydrogels prepared with PVA/Carrageenan/Agar has been studied on guinea pigs to determine the wound healing effect. Irradiated chitosan powder and chitosan solution was studied in vitro and found chitosan solution (1%) directly subjected to irradiation dosages even at 5 kGy was highly effective in control of anthracnose causing organism of papaya. In vivo studies with irradiated 1 % chitosan solution on Rathna & red lady variety of papaya shows better control of spoilage of papaya to a considerable extent. The government of Sri Lanka (Ministry of Science & Technology and Atomic Energy Authority) is in the process of establishing the first government owned Multipurpose Gamma Irradiation Facility and it will be helpful to transfer the output of R&D in radiation processing.
机译：自2004年以来，斯里兰卡一直在进行天然聚合物（如壳聚糖，纤维素，角叉菜胶多糖）的辐射加工研究。该研究小组参与了壳聚糖和壳聚糖在伤口敷料，辐照壳聚糖的应用方面的开发活动。通过辐射加工，从羧甲基纤维素钠中辐射出诸如木瓜，香蕉，芒果，辐射交联的高吸收性水凝胶等水果，从而延长了保质期。已经对豚鼠研究了用PVA /角叉菜胶/琼脂制备的水凝胶，以确定伤口的愈合效果。对辐照的壳聚糖粉和壳聚糖溶液进行了体外研究，发现即使在5 kGy的条件下直接接受辐照剂量的壳聚糖溶液（1％）在控制引起炭疽的木瓜生物中也是非常有效的。用辐照的1％壳聚糖溶液对Rathna和Red Lady番木瓜品种进行的体内研究表明，番木瓜变质得到了较好的控制。斯里兰卡政府（科学技术部和原子能管理局）正在建立第一个政府拥有的多用途伽马辐照设施，这将有助于转移辐射处理方面的研发成果。

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