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在东北红豆杉(taxuscuspidate)细胞培养物的基本培养基中加入30mg@L-12.4-D,可以提高细胞培养物的生长量,其相对最高生长量可以达到85.999mgFW/gFW@d;培养基中加入活性炭粉末lg@L-1,可以克服植物细胞生长过程中的褐化问题;适当种类及含量的生长调节剂的加入:6-BA0.5mg@L-1+KT2mg@L-1,可以使植物细胞合成和积累相对较多的紫杉醇(Taxol)。
Abstract:The growth quantity of Taxus Cuspidate's cell culture materials can be increased and the highest quantity will amount to 85.999 mgFW/g·FW·d·if We put 2,4-D (30rog·L-1 )into the basic cuhure medium of it; The difficulty of foxiness during the plants growing process can be overcome if we add acive carbon powder(lgL-1)into the culture medium; The plant cell can synthetize and gather more Taxol comparatively with the addition kf proper and amount of growth regulators:6-BA(0.5mg·L-1) + KT2. 相似文献
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培养基成分对东北红豆杉细胞生长和紫杉醇产量的影响 总被引:4,自引:0,他引:4
在东北红豆杉(taxus cuspidate)细胞培养物的基本培养基中加入30mg.L^-12.4-D,可以提高细胞培养物的生长量,其相对最高生长量可以达到85.999mgFW/gFW.d;培养基中加入活性炭粉末1g.L^-1,可以克服植物细胞生长过程中的褐化问题;适当种类及含量的生长调节剂的加入:6-BA0.5mg.L^-1+KTmg.L^-1,可以使植物细胞合成和积累相对较多的紫杉醇(Taxol). 相似文献
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目的:研究小剂量尿激酶颈动脉加压灌注治疗急性脑梗死的效果。方法选择80例急性梗死住院病人按入院顺序随机分为治疗组(颈动脉灌注组)和对照组,各40例,治疗组入院后即给予尿激酶30万单位于患侧颈动脉加压灌注,同时给予低分子右旋糖酐500ml、脉胳宁20ml、有脑水肿者给予甘露醇、细胞活化剂、钙离子拮抗剂同时应用;对照组除尿激酶外用药相同,两组于治疗前及治疗后15天按临床神经功能缺损程度评分标准作出疗效 相似文献
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六种鸟核型的比较研究 总被引:9,自引:0,他引:9
本文报道了|HENG|形目和雀形目6种鸟的核型, 并与已报道的近缘种类进行了比较。结果表明,除个别情况外,种间及属间核型差异不大,这些差异主要是由臂间倒位导致着丝点位置的改变而形成的,从而支持了鸟类核型在进化过程中有较强的保守性这一观点。
Abstract:The karyotypes of 6 species in Charadriiformes and Passeriformes birds were studied they were compared with ralative species that were reported before.The results showed that there were no differences of karyotypes among species and genera,except some special species.The differences were mainly due to the change of centrometric position which was caused by the pericertric in version.Therefore,the results again prove the hypothesis that bird karyotype is exceedingly conservative in the course of evolution. 相似文献
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