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LI Zhenxing LIN Hong CAO Limin 《中国海洋大学学报(英文版)》2006,5(2):115-118
The present study was undertaken to determine whether high intensity ultrasound could reduce the allergic properties of shrimp allergens. Reducing the allergenic properties of these allergens will be beneficial to allergic individuals. Samples of shrimp protein extract and shrimp muscle were treated by high-intensity ultrasound with water bathing at 0 ℃ or 50 ℃ for different time periods. The treated and untreated samples were then analyzed by SDS-PAGE, Western blots and competitive inhibition ELISA （Ci-ELISA） to determine the shrimp allergenicity. The results show that high-intensity ultrasound has no effect on allergenicity when the extracts were treated at 0℃. However, a significant decrease was observed in the level of the major shrimp allergen, Pen a 1, when the samples were treated at 50 ℃. In the determination of allergenicity with CiELISA, a reduction in IgE binding was also observed. 相似文献
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2008年5月12日发生汶川MS8.0地震,青藏高原东缘的龙门山推覆构造带上三条断层同时发生运动,分别为后山断裂(汶川-茂县断裂)、中央断裂(北川-映秀断裂)、及前山断裂(灌县-江油断裂)。震后调查数据显示,这三条倾向西北的覆瓦状逆断层中,中央断裂的地表破裂最为剧烈,前山断裂次之,后山断裂的地表破裂极小不易查觉。中央断裂的地表破裂带长约240km,以兼有右移分量的逆断层破裂为主,最大垂直位移6.2m,最大右移量4.9m;前山断裂的地表破裂带长约72km(或称90km),是典型的纯逆冲断层所造成,最大垂直位移达3.5m。此外,在中央与前山断裂之间还发育了一条长约6km,兼具逆冲与左移性质的小鱼洞破裂带。伴随汶川地震发育的地表破裂,是近年发生大地震中总破裂长度最长,破裂形式也较复杂的,各破裂带之间的几何与运动关系有许多值得深入探讨的问题。 相似文献
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