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toxin fraction
相关语句
  毒素组分
     Biological Characteristics and Toxin Fraction Analysis of the Sexual Hybridizing Progenies of Setosphaeria Turcica
     玉米大斑病菌有性杂交后代的生物学特性及其毒素组分分析
短句来源
     Moreover, some nontoxic frations were also isolated in this test and the qualitative analysis of fraction 6 was done,,The experimental results showed that the retention time of standard toxin fraction ( 5-hydroxymethyl-2-furancarboxaldehyde) was the same as that of fraction 8 isolated in this test by HPLC.
     对标准毒素组分(5-羟甲基-2 呋喃甲醛)进行HPLC分析发现,该组分与本试验分离到的组分8的保留时间相同。
短句来源
  “toxin fraction”译为未确定词的双语例句
     Fraction ⅩⅢ,one of the neuro-toxic fraction,was purified by rechromato-graphy on Sephadex G 50 and CM-Sephadex C 50 and a purified toxin,fraction ⅩⅢ-2-4 was obtained.
     组分XⅡ再经Sephadex G 50和CM-Sephadex C 50层析纯化后得到组分XⅢ-2-4,该组分用Sephadex G 50过滤呈单一蛋白吸收峰,经三种不同类型的聚丙烯酰胺凝胶电泳鉴定为电泳纯蛋白。
短句来源
     Methods The ethanol extracts of culture Alexandriun minutum Halim Amtk2 were isolated by means of gel filtration chromatography, the toxin fraction obtained was then purified by ion exchange chromatography.
     方法用凝胶色谱、离子交换色谱等方法从人工培养的微小亚历山大藻Amtk 2酸酒精萃取物中分离纯化膝沟藻毒素。
短句来源
  相似匹配句对
     2.toxin.
     2疫毒学说;
短句来源
     Cholera toxin
     霍乱毒素
短句来源
     Biological Characteristics and Toxin Fraction Analysis of the Sexual Hybridizing Progenies of Setosphaeria Turcica
     玉米大斑病菌有性杂交后代的生物学特性及其毒素组分分析
短句来源
     Bioassay and fraction analysis of HT-toxin produced by Exserohilum turcicum race 2
     玉米大斑病菌2号小种毒素的生物测定与组分分析
短句来源
     Fraction of Time in Narration
     虚构叙事中时间的分形
短句来源
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  toxin fraction
Antialdolase of antiplague serum not only precipitates the aldolase contained in the preparations ofP.pestis toxin (fraction II), but also neutralizes it.
      
The effect of plague toxin (fraction II ofPasteurella pestis No.
      


The venom of Naja naja atra from Guangdong province has been separated into 27 fractions by CM-Sephadex C-25 column chromatog-raphy. One lethal toxin fraction was further purified by ion-exchange rechromatography on CM-Sephadex C-50 and by gel filtration on Sep-hadex G-50 and was named fraction XVII-B2. It can abolish the responses of chikea biventer cervisis muscle to indirect stimulation or to Ach. but not affects the responses to direct stimulation Or K+. On the other hand, it has no effects on...

The venom of Naja naja atra from Guangdong province has been separated into 27 fractions by CM-Sephadex C-25 column chromatog-raphy. One lethal toxin fraction was further purified by ion-exchange rechromatography on CM-Sephadex C-50 and by gel filtration on Sep-hadex G-50 and was named fraction XVII-B2. It can abolish the responses of chikea biventer cervisis muscle to indirect stimulation or to Ach. but not affects the responses to direct stimulation Or K+. On the other hand, it has no effects on Straub's frog hearts in vitro,but its LD50 for mice is about 75ug/kg.

中华眼镜蛇全毒经CM—Sephadex C-25柱层析分离为27个蛋白峰,自第17峰进一步纯化的组份17—B_2,经生化、毒理及受体结合实验证实为突触后作用的神经毒素,并测定及讨论了其某些分子学和毒理学特性。

Aim To isolate and purify gonyautoxins from Alexandrium mimutum Halim Amtk2 strain. Methods The ethanol extracts of culture Alexandriun minutum Halim Amtk2 were isolated by means of gel filtration chromatography, the toxin fraction obtained was then purified by ion exchange chromatography. Results From 100 liter of cultivation liquid of Alexandrium mimutum Halim Amtk2 (6 74±0 31)×10 9 cells were obtained. The ethanol extracts of Alexandriun minutum Halim purified by gel filtration...

Aim To isolate and purify gonyautoxins from Alexandrium mimutum Halim Amtk2 strain. Methods The ethanol extracts of culture Alexandriun minutum Halim Amtk2 were isolated by means of gel filtration chromatography, the toxin fraction obtained was then purified by ion exchange chromatography. Results From 100 liter of cultivation liquid of Alexandrium mimutum Halim Amtk2 (6 74±0 31)×10 9 cells were obtained. The ethanol extracts of Alexandriun minutum Halim purified by gel filtration chromatography obtained gonyautoxins mixture 29 59 mg. 4 06 mg of the mixture was further purified by two steps of ion exchange chromatography, and obtained pure GTX 4 (0 40±0 002) mg, GTX 1 (5 95±0 03)×10 -2 mg, GTX 3 (6 92±0 05)×10 -4 mg and GTX 2 (0 11±0 005) mg. Conclusion Pure gonyautoxins can be obtained by means of gel filtration chromatography and ion exchange chromatography from ethanol extracts of cultured Alexandriun minutum Halim Amtk2 strain.

目的 从微小亚历山大藻 (AlexandriummimutumHalim)Amtk 2中分离纯化膝沟藻毒素gonyautoxins。方法用凝胶色谱、离子交换色谱等方法从人工培养的微小亚历山大藻Amtk 2酸酒精萃取物中分离纯化膝沟藻毒素。结果 从 10 0LAmtk 2培养液中获得 ( 6 74± 0 31)× 10 9个藻细胞 ,其酸酒精萃取物经凝胶色谱分离首次在国内得到膝沟藻毒素GTX 4 ,GTX 1,GTX 3和GTX 2混合物 ( 2 9 5 9± 0 2 8)mg。从此混合物中取出 4 0 6mg经两次离子交换色谱纯化得到纯GTX 4 ( 0 4 0± 0 0 0 2 )mg ,GTX 1( 5 95± 0 0 3)× 10 - 2 mg ,GTX 3( 6 92± 0 0 5 )× 10 - 4mg和GTX 2 ( 0 11±0 0 0 5 )mg。结论 人工培养的微小亚历山大藻Amtk 2酸酒精萃取物通过凝胶色谱和两次离子交换色谱分离能够得到纯的膝沟藻毒素GTX 4 ,GTX 1,GTX 3和GTX 2。

Thirteen fractions from the pathogenic plant fungus Setosphaeria turcica race 1 were separated and collected using high performance liquid chromatography(HPLC).Their toxic activities were assayed through leaf puncturing on corn differentials (OH43,OH43Ht1,OH43Ht2,and OH43HtN),and the results revealed that eight fractions were toxic and fraction 6 was specifically toxic to OH43Ht1,which could be taken as a gene-selective toxin fraction.Fraction 6 was finely purified via HPLC and condensed by freeze...

Thirteen fractions from the pathogenic plant fungus Setosphaeria turcica race 1 were separated and collected using high performance liquid chromatography(HPLC).Their toxic activities were assayed through leaf puncturing on corn differentials (OH43,OH43Ht1,OH43Ht2,and OH43HtN),and the results revealed that eight fractions were toxic and fraction 6 was specifically toxic to OH43Ht1,which could be taken as a gene-selective toxin fraction.Fraction 6 was finely purified via HPLC and condensed by freeze desiccation.Its chemical structure was analyzed with EI-MS,IR,HMBC,1H-NMR,and two-dimensional NMR.The results suggested that fraction 6 contained an unsaturated double bond,carbonyl and methylene groups with molecular weight of 142.

Thirteen fractions from the pathogenic plant fungus Setosphaeria turcica race 1 were separated and collected using high performance liquid chromatography(HPLC).Their toxic activities were assayed through leaf puncturing on corn differentials (OH43,OH43Ht1,OH43Ht2,and OH43HtN),and the results revealed that eight fractions were toxic and fraction 6 was specifically toxic to OH43Ht1,which could be taken as a gene-selective toxin fraction.Fraction 6 was finely purified via HPLC and condensed by freeze desiccati...

Thirteen fractions from the pathogenic plant fungus Setosphaeria turcica race 1 were separated and collected using high performance liquid chromatography(HPLC).Their toxic activities were assayed through leaf puncturing on corn differentials (OH43,OH43Ht1,OH43Ht2,and OH43HtN),and the results revealed that eight fractions were toxic and fraction 6 was specifically toxic to OH43Ht1,which could be taken as a gene-selective toxin fraction.Fraction 6 was finely purified via HPLC and condensed by freeze desiccation.Its chemical structure was analyzed with EI-MS,IR,HMBC,1H-NMR,and two-dimensional NMR.The results suggested that fraction 6 contained an unsaturated double bond,carbonyl and methylene groups with molecular weight of 142.

 
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