犬瘟病毒IgG免疫熒光玻片

Canine Distemper IgG IFA Substrate slide

廣州健侖生物科技有限公司

主要用途：用于檢測狗血清中犬瘟病毒IgG抗體

產品規(guī)格：12 孔/張,10 張/盒

主要產品包括：包柔氏螺旋體菌、布魯氏菌、貝納特氏立克次體、土倫桿菌、鉤端螺旋體、新型立克次體、恙蟲病、立克次體、果氏巴貝西蟲、馬焦蟲、牛焦蟲、利什曼蟲、新包蟲、弓形蟲、貓流感病毒、貓冠狀病毒、貓皰疹病毒、犬瘟病毒、犬細小病毒等病原微生物的 IFA、MIF、ELISA試劑。

犬瘟病毒IgG免疫熒光玻片

我司還提供其它進口或國產試劑盒：登革熱、瘧疾、西尼羅河、立克次體、無形體、蜱蟲、恙蟲、利什曼原蟲、RK39、漢坦病毒、深林腦炎、流感、A鏈球菌、合胞病毒、腮病毒、乙腦、寨卡、黃熱病、基孔肯雅熱、克錐蟲病、違禁品濫用、肺炎球菌、軍團菌、化妝品檢測、食品安全檢測等試劑盒以及日本生研細菌分型診斷血清、德國SiFin診斷血清、丹麥SSI診斷血清等產品。

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【公司名稱】 廣州健侖生物科技有限公司
【】    楊永漢 
【】 
【騰訊 】 2042552662
【公司地址】 廣州清華科技園創(chuàng)新基地番禺石樓鎮(zhèn)創(chuàng)啟路63號二期2幢101-3室
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為了驗證他們的理論，該研究組使用攜帶破傷風毒素的病毒禁止星形膠質細胞選擇性釋放化學物質的能力，有效地消除了細胞與鄰近細胞的溝通能力。神經細胞不受毒素的影響。
添加化學物質引發(fā)動物大腦的伽馬波后，研究人員發(fā)現，攜帶有缺陷的星形膠質細胞的腦組織比含有健康細胞的組織產生更短的伽馬波。而且，添加三個允許研究人員有選擇地打開和關閉星形膠質細胞的破傷風毒素的基因后，他們發(fā)現，星形膠質細胞的信號傳導被阻斷的小鼠的伽瑪波被削弱了。關閉毒素則抗原抗體了這一效果。
星形膠質細胞經過修改后的小鼠看似*健康的。但經過幾個認知測試后，研究人員發(fā)現，它們缺乏一個主要領域：新物體識別。正如預期的那樣，健康小鼠比熟悉的物品花更多的時間在置放于其環(huán)境中的新物品。與此相反，該研究組的新突變小鼠處理所有的物品的時間都是相同的。
“在某種意義上說，這原來是個驚人的結果，新物體識別記憶不只是受損，而是已經沒了，就好像我們刪除這一種形式的記憶，而其它完好無損，” Sejnowski說。
這個結果令人大吃一驚，部分原因是星形膠質細胞在數秒鐘或更長的時間內運行，而神經元的信號卻遠遠比這個快多了，它們是毫秒級別的。正因為如此慢的速度，因此沒有人懷疑星形膠質細胞參與了需要迅速做出決定的高速大腦活動。
“傳統上認為星形膠質細胞只是神經元和其他細胞的保護者和支持者，而現在發(fā)現它們也都參與了信息的處理和其他認知行為，我覺得這個觀點很*，” 遺傳學實驗室和美國癌癥協會的維爾馬教授說。
這并不是說星形膠質細胞變快了——它們仍然比神經元慢多了。但新的證據表明，星形膠質細胞都在積極地為伽馬波發(fā)生提供合適的環(huán)境，這反過來又使大腦更容易學習和改變神經元連接的強度。

To validate their theory, the team used tetanus toxin-containing viruses to block the ability of astrocytes to selectively release chemicals, effectively eliminating the cells' ability to communicate with neighboring cells. Nerve cells are not affected by toxins.
After chemicals added to trigger the brain's gamma waves, the researchers found that brain tissue carrying defective astrocytes produced shorter gamma waves than tissues containing healthy cells. Moreover, after adding three genes that allow researchers to selectively open and close astrocytes in the tetanus toxins, they found that the gamma waves in mice blocked by astrocyte signaling were impaired It's Anti-toxin turned off this effect.
The modified astrocytes seem compley healthy. But after a few cognitive tests, the researchers found that they lacked one of the main areas: new object recognition. As expected, healthy mice spend more time placing new items in their environment than familiar items. In contrast, the new mutant mice in the study group treated all the items for the same amount of time.
"It turned out to be a surprising result in a sense that the new object recognition memory is not just damaged, but gone, just as if we deleted this form of memory while the rest were intact," Sejnowski said.
This result is astonishing, in part because astrocytes run in seconds or more, and neurons signal much faster than this, and are millisecond-scale. Because of this slow pace, no one suspects that astrocytes are involved in high-speed brain activity that requires quick decisions.
"Traditionally, astrocytes are considered the guardians and supporters of neurons and other cells and are now found to be involved in the processing of information and other cognitive behaviors, which I find very unique," said Genetics Room and Professor Wilmer of the American Cancer Society said.
This is not to say that astrocytes become faster - they are still much slower than neurons. But new evidence suggests that astrocytes are actively providing the right environment for gamma waves to occur, which in turn makes it easier for the brain to learn and change the strength of neuronal connections.