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3Â¥2012-11-05 18:41:06
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ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)
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ר¼Ò¾Ñé: +426 - APEPI: 64
- Ó¦Öú: 1217 (½²Ê¦)
- ½ð±Ò: 9097.3
- É¢½ð: 16445
- ºì»¨: 226
- Ìû×Ó: 4669
- ÔÚÏß: 2320.2Сʱ
- ³æºÅ: 1136974
- ×¢²á: 2010-11-02
- ÐÔ±ð: GG
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2Â¥2012-11-05 17:02:35
a71840584
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- É¢½ð: 70
- ºì»¨: 6
- Ìû×Ó: 355
- ÔÚÏß: 132.7Сʱ
- ³æºÅ: 1803957
- ×¢²á: 2012-05-08
- ÐÔ±ð: GG
- רҵ: Ö²ÎïÉúÀíÓëÉú»¯
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4Â¥2012-11-05 19:50:02
starseacow
ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)
-

ר¼Ò¾Ñé: +426 - APEPI: 64
- Ó¦Öú: 1217 (½²Ê¦)
- ½ð±Ò: 9097.3
- É¢½ð: 16445
- ºì»¨: 226
- Ìû×Ó: 4669
- ÔÚÏß: 2320.2Сʱ
- ³æºÅ: 1136974
- ×¢²á: 2010-11-02
- ÐÔ±ð: GG
- רҵ: Ö²ÎïÉúÀíÓëÉú»¯
- ¹ÜϽ: ¶¯Ö²Îï
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a71840584: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú 2012-11-09 23:14:40
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¶¯ÎïµÄ·½·¨ÊÇ·ñ¿ÉÒÔÖ±½ÓÓÃÔÚÖ²ÎïÉÏ£¬ºÜÄÑ˵¡£ÄãµÄÎÊÌ⣬ºÜÏÔÈ»ÊÇÒ¶ÂÌÌåÓ°Ï죬ÕâÒ²¾ÍÊÇΪʲô¸ù×ö³öÀ´¶øÒ¶×Ó²»ÐС£¹ØÓÚ»îÐÔÑõ±Å·¢£¬²â¶¨¸÷ÖÖ»îÐÔÑõºÍ²â¶¨¿¹Ñõ»¯Ã¸ÊÇÁ½¸ö¸ÅÄ²»ÄÜ»¥ÏàÌæ´ú¡£²»Í¬»îÐÔÑõ´æÔÚÒ»¶¨µÄÏ໥ת»¯£¬ÒòΪËûÃÇ´¦ÓÚÒ»¸ö´úлϵͳÄÚ£¬Í¬Ê±£¬²»Í¬»îÐÔÑõÒ²Óв»Í¬µÄÐźÅ×÷Óã¬Æ©ÈçÎÒÒÔǰ×ö¹ýµÄ¹¤×÷ÏÔʾijÖÖ´ÎÉú´úл²úÎïÖ»Êܵ½H2O2µ÷¿Ø£¬³¬ÑõºÍôÇ×ÔÓÉ»ù²¢²»Ó°Ïì¡££¨µ±È»£¬ÊÇ·ñ¶¼Òª²â¶¨È¡¾öÓÚÄãµÄʵÑéÄ¿µÄ£¬ÎÒÒÔǰ¸ã´ÎÉú´úл×ö»îÐÔÑõ£¬¼¸¸öÖ¸±ê¶¼²â¹ý£¬ÏÖÔÚµÄ×é×ö»îÐÔÑõ£¬¾Í¿¼ÂÇÒ»¸öH2O2£¬ÕÕÑù³öºÃÎÄÕ¡££© ¹ØÓÚʵÑé·½·¨£¬ÎÒ»¹Êǽ¨ÒéÄãʹÓñðµÄ×öÖ²ÎïµÄÎÄÏ×ÉÏÓб¨µÀµÄ£¬ÇÒ´ó¼Ò¶¼Óõķ½·¨¡£PNASµÄ·½·¨½²µÃ»¹ËãÏêϸ°¡£¬ÓÐʲô¿´²»¶®µÄ£¿ |

5Â¥2012-11-05 21:15:50
a71840584
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- Ó¦Öú: 3 (Ó×¶ùÔ°)
- ½ð±Ò: 626.6
- É¢½ð: 70
- ºì»¨: 6
- Ìû×Ó: 355
- ÔÚÏß: 132.7Сʱ
- ³æºÅ: 1803957
- ×¢²á: 2012-05-08
- ÐÔ±ð: GG
- רҵ: Ö²ÎïÉúÀíÓëÉú»¯
|
àÅ£¬ËûÕâÒ»¶ÎDetection of Reactive Oxygen Species. Spectrofluorometry. Intracellular production of ROS was measured by using 29,79- dichlorof luorescein diacetate (H2DCF-DA; Molecular Probes). This nonpolar compound is converted to the membrane- impermeant polar derivative H2DCF by esterases when it is taken up by the cell. H2DCF is nonfluorescent but is rapidly oxidized to the highly fluorescent DCF by intracellular H2O2 and other peroxides (20). Stocks of H2DCF-DA (5 mM) were made in ethanol and stored in the dark at 280¡ãC under argon. H2DCF-DA was added to cells at a final concentration of 5 mM. After a 30-min incubation, cells were collected in a microcentrifuge, and the supernatant was removed and diluted 50-fold. Fluorescence was measured by using a Hitachi F2000 fluorescence spectrophotometer (Tokyo) with excitation and emission wavelengths set at 488 nm and 520 nm, respectively Õâ¶Î½²µÄ¾ÍÊÇÓÃÓ«¹â·Ö¹â¹â¶È¼ÆÈ¥²âÓ«¹âÇ¿¶ÈÀ´±íʾROS£¬Îҵķ½·¨ºÍËû»ù±¾Ò»Ö£¬¾ÍÊǼӵÄ̽ÕëŨ¶È²»Í¬£¨ÎÒÊÇ10mmolµÄ̽ÕëÏ¡ÊÍ50±¶£©ÎÒ²»Ã÷°×µÄÊÇËû˵°Ñ̽Õë¼ÓÈëϸ°û£¿ÄÄÀ´µÄϸ°û£¿Ö±½Ó´ÓÖ²ÎïÉÏ·ÖÀëµÃµ½µÄ£¿È¡Õû¸öϸ°û²»È¡ÏßÁ£Ì壿ËûµÄϸ°û²»ÊÜÒ¶ÂÌÌåÓ°ÏìÂ𣿻¹ÓÐËû×îºóµÄ½á¹û±íʾµÄÎÒҲû¿´¶®£¬ËûÁеÄÓ«¹âÇ¿¶ÈÊǼÓÁ˶àÉÙϸ°ûºóµÄ£¿ÔõôÕâô±íʾÂð£¿ÎÒÃÇROS±íʾ¶¼ÊÇÏñSODºÍCATÒ»ÑùÊÇÒÔÿºÁ¿Ëµ°°×Ëùº¬µÄÁ¿À´ºâÁ¿µÄ¡£ |

6Â¥2012-11-06 23:02:50
starseacow
ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)
-

ר¼Ò¾Ñé: +426 - APEPI: 64
- Ó¦Öú: 1217 (½²Ê¦)
- ½ð±Ò: 9097.3
- É¢½ð: 16445
- ºì»¨: 226
- Ìû×Ó: 4669
- ÔÚÏß: 2320.2Сʱ
- ³æºÅ: 1136974
- ×¢²á: 2010-11-02
- ÐÔ±ð: GG
- רҵ: Ö²ÎïÉúÀíÓëÉú»¯
- ¹ÜϽ: ¶¯Ö²Îï
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ÎÄÕ¹ØÓÚ·½·¨µÚÒ»½Ú¾Íд×Å Plant Material and Growth Conditions. Cultured tobacco cells (Nicotiana tabacum cv. Petit Havana SR1) containing Aox1 in either sense (S11) or antisense (AS8) orientation have been characterized (9, 10). All experiments were conducted with exponentially growing cells 3¨C4 days after subculture ½á¹û²¿·Ö£¬²â¶¨ROSµÄͼ Figure 1 Intracellular ROS abundance in WT and Aox1 transgenic cultured tobacco cells. |

7Â¥2012-11-07 00:25:13
starseacow
ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)
-

ר¼Ò¾Ñé: +426 - APEPI: 64
- Ó¦Öú: 1217 (½²Ê¦)
- ½ð±Ò: 9097.3
- É¢½ð: 16445
- ºì»¨: 226
- Ìû×Ó: 4669
- ÔÚÏß: 2320.2Сʱ
- ³æºÅ: 1136974
- ×¢²á: 2010-11-02
- ÐÔ±ð: GG
- רҵ: Ö²ÎïÉúÀíÓëÉú»¯
- ¹ÜϽ: ¶¯Ö²Îï

8Â¥2012-11-07 00:28:00
a71840584
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 3 (Ó×¶ùÔ°)
- ½ð±Ò: 626.6
- É¢½ð: 70
- ºì»¨: 6
- Ìû×Ó: 355
- ÔÚÏß: 132.7Сʱ
- ³æºÅ: 1803957
- ×¢²á: 2012-05-08
- ÐÔ±ð: GG
- רҵ: Ö²ÎïÉúÀíÓëÉú»¯

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- ³æºÅ: 1803957
- ×¢²á: 2012-05-08
- ÐÔ±ð: GG
- רҵ: Ö²ÎïÉúÀíÓëÉú»¯

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