
TubeTickler
Rapidly disperses packed centrifugal pellets in 2.0, 1.5 and 0.5 ml micro-centrifuge tubes.
Cat. No. 199, Tube-Tickler, 115 voltCat. No. 199EUR, Tube-Tickler, 230 volt
Our Price : $0.00
The answer for rapid dispersal of packed centrifugal pellets in 2.0, 1.5 and 0.5 ml micro-centrifuge tubes. Inspired by a methods paper in BioTechniques, the Tube-Tickler quickly suspends even firmly sedimented or sticky pellets in seconds. Superior to an ordinary tube vortexer, the microtube is held against a specially designed rotating agitator head. The unique slapping action of the agitator head vigorously vibrates and swirls the tube contents. Featuring one hand operation, the Tube-Tickler is activated by light pressure on the top of the mixer.
In another application, the superior mixing energy imparted by the agitator head of the Tube-Tickler makes it significantly more efficient than a standard vortexer mixer when used to disrupt cells by beadbeating (bead milling method). Simply add an equal volume of the appropriate size and kind of beads to the cell or tissue suspension and beadbeat for 2-5 minutes. BioSpec also manufactures faster, more productive machines for beadbeating.
- 115V, 60 Hz or 230V, 50 Hz at 100 Watts
- 9 cm high by 12 cm diameter
- 1 kg
A New Application for the TubeTickler: The TubeTickler can be used to disrupt cell or tissue samples using the same protocols used with common lab vortexers shakers and some commercial bead mills. The sample and beads are vigorously agitated in a microvial for 1-3 minutes. It is an low cost way to disrupt a few samples for protein or nucleic acid isolation and delays equipment expenditures for a high-throughput MiniBeadbeater cell disrupter.
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请各位大侠给予帮助!!
谢谢!!
产品主要应用:点击化学(Clickchemistry)、蛋白质组学研究中的双向荧光差异凝胶电泳(2DDIGE)和实时荧光定量PCR(RealtimePCR)。
氨基类染料是包含自由氨基的活性染料,染料可与活化羧酸衍生物和其他亲电子的试剂结合。比如:氨基与EDC-活化的羧基结合。
相关产品如下:
中文名英文名产品编号分子结构Cy7.5胺Cy7.5amineAGF1350A[img]/KindEditor_4.0.1/attached/image/20130704/20130704110804_5250.jpg[/img]Cy5胺Cy5amineAGF1332A[img]/KindEditor_4.0.1/attached/image/20130704/20130704110715_7750.jpg[/img]相似系列产品:
抗体、核酸、蛋白质等生物分子标记染料
羰基活性荧光染料
巯基反应性染料
羧酸类染料
健那绿染液是一种活体染液,实验对象必须是活细胞,健那绿可以使活细胞中的线粒体呈现蓝绿色,而细胞质接近无色。
分子生物学实验的染料主要涉及到核酸染料和蛋白质染料.核酸染料主要有EB(溴化乙锭,高致癌性),goldview,sybr green(实时定量PCR时常用染料).这些染料可以和核酸双链分子特异性结合发出强荧光而被检测到.蛋白质染料最常用的是考马斯亮蓝 R-250,硝酸银.其中硝酸银有时也用于核酸染色.
染料分为天然染料和人工染料两种。天然染料有胭脂虫红、地衣素、石蕊和苏木素等,它们多从植物体中提取得到,其成分复杂,有些至今还未搞清楚。目前主要采用人工染料,也称煤焦油染料,多从煤焦油中提取获得,是苯的衍生物。多数染料为带色的有机酸或碱类,难溶于水,而易溶于有机溶剂中。为使它们易溶于水,通常制成盐类。
染料可按其电离后染料离子所带电荷的性质,分为酸性染料、碱性染料、中性(复合)染料和单纯染料四大类。 标本干燥后即进行固定,固定的目的有三个:
1)杀死微生物,固定细胞结构。
2)保证菌体能更牢的粘附在载玻片上,防止标本被水冲洗掉。
3)改变染料对细胞的通透性,因为死的原生质比活的原生质易于染色。
而且样品中的无水硫酸钠未变色,而做标准曲线的五个和空白对照的变为蓝色了,请高手指教,多谢!
还有,是否变蓝对测定结果有影响吗?
谢了哈
欢迎你!请下次规范发贴:)
产品主要应用:点击化学(Clickchemistry)、蛋白质组学研究中的双向荧光差异凝胶电泳(2DDIGE)和实时荧光定量PCR(RealtimePCR)。
菁染料是性能优良的荧光标记染料,摩尔吸光系数在荧光染料中是最高的。N-羟基琥珀酰亚胺酯是最常用的脂肪氨基标记试剂,广泛用于蛋白质、氨基酸多肽、抗体、核酸及其他生物分子的标记和检测。通过改变次甲基链的长度,可改变其荧光发射波长,每增加一个双键,按照Huoffman规则正好红移约100nm。
菁染料Cy3和Cy5已成为基因芯片的首选荧光标记物;另外,Cy5,Cy5.5和Cy7,Cy7.5的吸收在近红外区背景非常低,是荧光强度最高、最稳定的长波长染料,特别适合于活体小动物体内成像。但由于菁染料,尤其是不对称菁染料的合成副反应多,副产物极性相近,产物的分离提纯相当困难。菁染料特别是水溶性菁染料分子极性大,分离提纯越加困难。Lumiprobe供应脂溶性和水溶性菁染料。
相关产品:
产品分子结构可替代染料编号:AGF1371A
6-ROX-N-羟基琥珀酰亚胺酯
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Cy5-N-羟基琥珀酰亚胺酯
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Cy5.5-N-羟基琥珀酰亚胺酯
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Cy7.5-N-羟基琥珀酰亚胺酯
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磺酸基-Cy3-N-羟基琥珀酰亚胺酯
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磺酸基-Cy5-N-羟基琥珀酰亚胺酯
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DyLight649
编号:AGF1379A
磺酸基-Cy7-N-羟基琥珀酰亚胺酯
Sulfo-Cy7NHSester[img]/KindEditor_4.0.1/attached/image/20130704/20130704104047_6968.jpg[/img]相似系列产品:
羰基活性荧光染料
氨基类染料
巯基反应性染料
羧酸类染料
2、苏丹三 脂肪 橙红
3、苏丹四 脂肪 红
4、双缩脲 蛋白质 紫
5、龙胆紫 染色质 紫
6、碘 淀粉 蓝
7、健那绿 线粒体 绿
8、甲基绿 DNA 绿
9、吡罗红 RNA 红
10、溴麝香草酚蓝 CO2 由蓝变绿再变黄
11、重铬酸钾 酒精 酸性条件下由橙色变成灰绿
12、醋酸洋红(龙胆紫、改良苯酚品红) 染色质 红
13、台盼蓝 检验活死细胞 死细胞会被染成蓝色(不常用)

