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Costaria costata(C.Agardh) Saunders is one of common kelps distributed in many coastal areas worldwide;however,in China,no reports have been made on cultivation of the genus.To investigate potential cultivation of the species in the northern part of China,trials on isolation and preservation of the gametophytes were conducted using C.costata from Korea;growth and development of the gametophytes were observed.We showed that at 10±1°C,60 μmol m-2s-1 and 12:12 h(L:D),freshly released zoospores settled down wit... 相似文献
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利用血凝试验及糖抑制试验测定脊条褶虾蛄的血清及肌肉提取液的凝血活性及糖抑制专一性，同时进行热稳定性、pH及Ca^2 影响试验。结果显示：其血清能凝集12种红细胞，且其凝集效价高于肌肉提取液（兔、蛇、鲫鱼除外）。血清对鹌鹑红细胞的凝集可被D－果糖、D－半乳糖和蔗糖所抑制，最小抑制浓度均为200mmol/dm^3，其凝集活性均依赖于Ca^2 ，在pH值为5.0-9.0范围内较稳定，经40℃保温10min后活性完全消失；肌肉提取液不被7种糖抑制，在pH值为4.0-10.0、温度为40－90℃范围内均具活性，说明有很强的耐热性，其凝集性不依赖于Ca^2 。以上结果表明：脊条褶虾蛄血清与肌肉提取液均含有凝集素，且凝集素的种类不同。 相似文献
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