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當(dāng)前位置:廣州健侖生物科技有限公司>>生物試劑>>Certest>> Norovirus GII.4Certest諾如病毒GII.4重組VLP
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產(chǎn)品型號Norovirus GII.4
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更新時(shí)間:2022-11-29 10:48:02瀏覽次數(shù):592次
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廣州健侖生物科技有限公司
廣州健侖長期供應(yīng)各種生物原料,主要代理品牌:西班牙Certest。
主要產(chǎn)品包括各種生物單克隆抗原抗體、重組蛋白。
Certest公司 Certest諾如病毒GII.4重組VLP
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輪狀病毒單克隆抗體(克隆R15)
腺病毒抗體(克隆A15)
星狀病毒單克隆抗體(克隆AT18)
諾如病毒GI單克隆抗體(克隆NG28)
腸道病毒抗體(克隆EV5)
幽門螺旋桿菌抗體(克隆P2)HP抗體
艱難梭菌抗體(克隆GD10)
大腸桿菌O157抗體(克隆E10)
彎曲桿菌抗體(克隆ECA29)
隱球菌抗體(克隆K31)
賈第鞭毛蟲抗體(克隆G18)
賈第鞭毛蟲抗體(克隆G22)
阿米巴原蟲抗體(克隆H30)
鈣結(jié)合蛋白單克隆抗體(克隆CP14)
血紅蛋白單抗(克隆F22)
乳鐵蛋白單抗(克隆LC16)
乳鐵蛋白單抗(克隆LC4)
輪狀病毒VP6重組蛋白
腺病毒HEXON重組蛋白
星狀病毒衣殼重組蛋白
諾如病毒GI.1重組P結(jié)構(gòu)域
諾如病毒GI.3重組P結(jié)構(gòu)域
諾如病毒GII.10重組P結(jié)構(gòu)域
諾如病毒GII.17重組P結(jié)構(gòu)域
諾如病毒GII.4重組P結(jié)構(gòu)域
腸道病毒VP1重組蛋白
幽門螺桿菌重組外膜蛋白
艱難梭菌GDH重組蛋白
艱難梭菌毒素A重組蛋白(無毒性片段)
大腸桿菌O157 VT1重組蛋白
彎曲桿菌重組外膜蛋白
空腸彎曲桿菌重組外膜蛋白
賈第蟲腸道滋養(yǎng)體重組蛋白
賈第蟲腸囊菌重組蛋白
內(nèi)阿米巴重組蛋白
溶組織內(nèi)阿米巴重組蛋白
人類鈣衛(wèi)蛋白重組蛋白
諾如病毒GI.1重組VLP
諾如病毒GII.4重組VLP
滅活的幽門螺桿菌抗原(天然提取物)
滅活的大腸桿菌O157抗原(天然提取物)
滅活的大腸桿菌抗原(天然提取物)
滅活的空腸彎曲桿菌抗原(天然提取物)
滅活腸炎沙門氏菌抗原(天然提取物)
滅活沙門氏菌副傷寒A抗原(天然提取物)
滅活的鼠傷寒沙門氏菌抗原(天然提取物)
滅活傷寒沙門氏菌抗原(天然提取物)
滅活的單核細(xì)胞增生李斯特菌抗原(天然提取物)
滅活小腸結(jié)腸炎耶爾森氏菌O:3抗原(天然提取物)
滅活的鮑氏志賀氏菌抗原(天然提取物)
滅活小球隱孢子蟲抗原(天然提取物)
人血紅蛋白蛋白質(zhì)(天然提取物)
溶血性A鏈球菌抗體
呼吸道合胞病毒單抗(克隆RV3)
腺病毒單克隆抗體(克隆A14)
甲型流感病毒單抗(克隆Y77)
乙型流感病毒單抗(克隆YB91)
嗜肺軍團(tuán)菌單抗(克隆LN14)
嗜肺軍團(tuán)菌單抗(克隆LN29)
肺炎鏈球菌單克隆抗體(克隆SN3)
呼吸道合胞病毒重組融合蛋白
腺病毒六鄰體重組蛋白
甲型流感病毒重組核蛋白
乙型流感病毒重組核蛋白
滅活A(yù)鏈球菌抗原(天然提取物)
滅活呼吸道合胞病毒抗原(天然提取物)
滅活的嗜肺軍團(tuán)菌抗原(天然提取物)
滅活的肺炎鏈球菌抗原(天然提取物)
【產(chǎn)品介紹】
MT-25NGI1 | 諾如病毒GI.1重組P結(jié)構(gòu)域 | x1mg | Norovirus GI.1 recombinant P domain |
MT-31NGA | 諾如病毒GI.1重組VLP | x1mg | Norovirus GI.1 recombinant VLP |
MT-25NGI3 | 諾如病毒GI.3重組P結(jié)構(gòu)域 | x1mg | Norovirus GI.3 recombinant P domain |
MT-25NGII10 | 諾如病毒GII.10重組P結(jié)構(gòu)域 | x1mg | Norovirus GII.10 recombinant P domain |
MT-25NGII17 | 諾如病毒GII.17重組P結(jié)構(gòu)域 | x1mg | Norovirus GII.17 recombinant P domain |
MT-25NGII14 | 諾如病毒GII.4重組P結(jié)構(gòu)域 | x1mg | Norovirus GII.4 recombinant P domain |
MT-31NPA | 諾如病毒GII.4重組VLP | x1mg | Norovirus GII.4 recombinant VLP |
MT-18NP8 | 諾如病毒GII單克隆抗體(克隆NP8) | x1mg | Anti-Norovirus GII Mab (clone NP8) |
MT-18NG28 | 諾如病毒GI單克隆抗體(克隆NG28) | x1mg | Anti-Norovirus GI Mab (clone NG28) |
Certest公司
雖然在20世紀(jì)30年代組織培養(yǎng)就有了較大的發(fā)展,但是只能培養(yǎng)組織塊,還不能培養(yǎng)正常組織的單個(gè)細(xì)胞,而且還沒有充分顯示出它的重要性。利用培養(yǎng)的細(xì)胞可以研究許多在整體中(在原位)無法研究的問題,例如細(xì)胞的營養(yǎng)、運(yùn)動(dòng)、行為、細(xì)胞間的相互關(guān)系等。幾乎各種組織,包括某些無脊椎動(dòng)物(墨魚、海鞘、果蠅等),都被培養(yǎng)過。在良好的培養(yǎng)條件下從組織塊長出的各種細(xì)胞,其生長情況不同。從形態(tài)上基本上可以分為三種類型,上皮、結(jié)締組織和游走細(xì)胞(如淋巴細(xì)胞、單核細(xì)胞和巨噬細(xì)胞)。有時(shí)候培養(yǎng)細(xì)胞會(huì)顯示正常組織在有機(jī)體中表現(xiàn)不出的特征,例如如果培養(yǎng)基中含有增強(qiáng)表面活性的物質(zhì),多種組織的細(xì)胞可以獲得吞噬的能力。但是它們?nèi)员3?的性質(zhì)和潛能,因?yàn)槿绻淖兣囵B(yǎng)環(huán)境或者移回到動(dòng)物體內(nèi)原來的部位便仍可照原樣生長。
值得一提的是在培養(yǎng)中的成纖維細(xì)胞的生長也受底質(zhì)的影響。在一般情況下它們呈輻射狀、漫無目的地從組織塊長出。但是如果人工地使培養(yǎng)基處于一定方向的張力之下,或人工的在底質(zhì)上制出痕跡,細(xì)胞就會(huì)沿張力的方向或沿著痕跡生長出去。這個(gè)現(xiàn)象也許可以用來解釋在整體中結(jié)締組織和肌腱的功能適應(yīng)──它們總是在張力的方向生長、分化。
可以看出,對于細(xì)胞的研究,在使用電子顯微鏡后在亞顯微結(jié)構(gòu)方面的深入,以及在應(yīng)用生化技術(shù)后在功能方面的深入,已經(jīng)在為細(xì)胞生物學(xué)──在分子水平上研究細(xì)胞的生命現(xiàn)象──的形成創(chuàng)造了條件。所以在后來,在分子遺傳學(xué)和分子生物學(xué)優(yōu)異的成就的影響之下,細(xì)胞生物學(xué)這一新的學(xué)科很快地形成了。核酸檢測試劑盒
試驗(yàn)核酸檢測試劑盒
在實(shí)驗(yàn)室中,細(xì)胞有絲分裂試驗(yàn)應(yīng)注意以下技術(shù)環(huán)節(jié):
一、紡錘體阻斷劑(Spindle inhibitor)
在有絲分裂過程中,隨著紡錘絲的形成,染色體被牽引到一起難以觀察其形態(tài)。紡錘體的形成在于細(xì)胞質(zhì)和紡錘體成分的粘度之間的平衡,因此,改變細(xì)胞質(zhì)的粘度,即可破壞紡錘體形成,從而使得染色體均勻散開,且染色體縊痕區(qū)更為清楚。
在培養(yǎng)中使用的紡錘體阻斷劑為秋水仙素,在終止培養(yǎng)前加入適量秋水仙素,使正在分裂的細(xì)胞停留在中期,以獲得大量分裂相供分析之用。秋水仙素的濃度范圍比較寬,一般使用濃度0.05—0.8微克/毫升,在終止培養(yǎng)前處理2—4小時(shí)。但在實(shí)際工作中需要借助濃度和處理時(shí)間來控制染色體的收縮程度。秋水仙素作用時(shí)間越長,被阻斷的中期分裂相越多,但是染色體也越凝聚和收縮,所以還視各實(shí)驗(yàn)室經(jīng)驗(yàn)而定。
二、低滲液(hypotonic solution)
低滲液是指滲透壓和離子強(qiáng)度均低于正常細(xì)胞生理?xiàng)l件的溶液,例如水、低滲的檸檬酸鈉或氯化鈉、甘油磷酸鉀(0.65M)、PCR檢測試劑盒(0.075M)等。低滲效果取決于低滲液的化學(xué)組成、低滲的溫度和處理時(shí)間。低滲處理是憑借反滲透作用使細(xì)胞膨脹染色體鋪展,同時(shí)可使粘附于染色體的核仁物質(zhì)散開,以便能在一個(gè)平面上觀察所有染色體形態(tài)。
Certest公司
想了解更多的產(chǎn)品及服務(wù)請掃描下方二維碼:
【公司名稱】 廣州健侖生物科技有限公司
【市場部】 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101-103室
Although there has been a great development of tissue culture in the 1930s, it can only c*te tissue pieces and can not culture single cells of normal tissues, and its importance has not been fully demonstrated yet. With cultured cells, many problems that can not be studied in bulk (in situ) can be studied, such as cell nutrition, exercise, behavior, cell-cell interactions, and the like. Almost all kinds of tissues, including some invertebrates (cuttlefish, sea squirt, fruit fly, etc.) have been c*ted. The growth of various cells grown from tissue blocks under good culture conditions is different. From the morphological can basically be divided into three types, epithelial, connective tissue and migratory cells (such as lymphocytes, monocytes and macrophages). In some cases, cells are cultured to show the features that normal tissues can not show in the organism. For example, cells with various tissues can gain phagocytosis if they contain substances that enhance the surface activity. However, they still retain their peculiar nature and potential because they can still grow as they are if they are c*ted or moved back to their original location inside the animal.
It is worth mentioning that the growth of fibroblasts in culture is also affected by the substrate. Under normal circumstances they are radial, aimlessly grow from the tissue block. However, if the medium is manually placed under tension in a certain direction, or artificially created marks on the substrate, the cells grow in the direction of tension or along the tracks. This phenomenon may be used to explain the functional adaptation of connective tissue and tendons throughout the body - they always grow and differentiate in the direction of tension.
It can be seen that cell-based studies, in-depth sub-microstructural studies using electron microscopy, and functional in-depth biochemistry techniques have been used in cell biology to study cells at the molecular level The formation of the phenomenon of life created the conditions. So later, under the influence of excellent achievements in molecular genetics and molecular biology, a new discipline of cell biology was rapidly formed. Nucleic acid test kit
Test nucleic acid test kit
In the laboratory, cell mitosis test should pay attention to the following technical aspects:
First, spindle blockers (Spindle inhibitor)
During mitosis, with the formation of spindle filaments, chromosomes are drawn together and difficult to visualize their morphology. Spindle formation is due to the balance between the cytoplasm and the viscosity of the spindle components. Therefore, changing the viscosity of the cytoplasm can destroy spindle formation, allowing the chromosomes to spread evenly and cleaving the chromosome markings area more clearly.
The spindle blocker used in the culture is colchicine, and an appropriate amount of colchicine is added prior to the termination of culture to allow the dividing cells to remain in the mid-stage for a large number of split phase analyzes. Colchicine concentration range is relatively wide, the general use of the concentration of 0.05-0.8 micrograms / ml, 2-4 hours before termination of culture. However, in practical work, concentration and treatment time need to be used to control the extent of chromosome shrinkage. The longer the colchicine acts, the more intervening metaphases are blocked, but the more cohesive and contractile the chromosome, so depending on the laboratory experience.
Second, hypotonic solution (hypotonic solution)
The hypotonic fluid refers to a solution that has a lower osmotic pressure and ionic strength than those of normal cells, such as water, hypotonic sodium or sodium chloride, potassium glycerophosphate (0.65 M), PCR detection kit (0.075 M) Wait. The hypotonic effect depends on the chemical composition of the hypotonic fluid, the temperature of the hypotonic and the treatment time. Hypotonic treatment is the expansion of cells by expanding the chromosome by reverse osmosis, while allowing the nucleolus substances that adhere to the chromosomes to disintegrate so that all the chromosome morphology can be observed on a single plane.
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