1. Neuronal Signaling
  2. Amyloid-β
  3. BTA-2

BTA-2, 苯并噻唑类染料,其结构类似于硫黄素 T (ThT),当与淀粉样原纤维结合时,荧光信号增强。BTA-2 在溶液中和与淀粉样原纤维结合时具有明显的吸收和发射特性,可用于淀粉样原纤维的光谱识别。

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BTA-2 Chemical Structure

BTA-2 Chemical Structure

CAS No. : 10205-62-6

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  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

BTA-2, a benzothiazole dye, is structurally similar to thioflavin T (ThT), which exhibits an enhanced fluorescence signal when bound to amyloid fibrils. BTA-2 has distinct absorption and emission characteristics in solution and when bound to amyloid fibrils, which makes it can used for identifying amyloid fibrils using spectroscopy[1].

体外研究
(In Vitro)

Guidelines (Following is our recommended protocol. This protocol only provides a guideline, and should be modified according to your specific needs).
To research how CH3CN affects binding of amyloid fibrils (varied the amount of CH3CN but maintained the same concentration of BTA-2, fibrils, and water) and how the concentration of BTA-2 affects binding (varied the amount of BTA-2 but had a constant amount of CH3CN, fibrils, and water) [1] .
BTA-2 in solution and in the presence of amyloid fibrils:
1. Insulin obtains from a bovine pancreas, and is stored at −20°C in a desiccator.
2. To synthesize BTA-2 and further purified.
3. To prepare fibrils: Insulin is dissolved in pH 2 water (5 mg/mL) and filters through a 0.2 μm filter, heats at 60℃ for 24 h. Centrifuge at 3000 rpm for 2.5 min to remove any globular artifacts. The supernatant containing the fibrils is saved for later use. Solutions are stored in a refrigerator (10℃) until needed.
4. BTA-2/fibrils solutions (are prepared in two ways): (First way) Diluting (100 μL) of the stock fibril solution with 880 μL of pH 2 water, adding (20 μL) of 0.8 mg/mL (3.15 mM) BTA-2 in CH3CN. (Second way) Diluting (100 μL) of the stock fibril solution with a 1:1 mixture of nanopure water: CH3CN, adding (20 μL) of 0.8 mg/mL (3.15 mM) BTA-2.
5. Two similar solutions are made that contained only the BTA-2 without the fibrils.
6. The standard amyloid fluorescent marker is thioflavin T (ThT): 20 μL of 0.8 mg/mL (2.51 mM) ThT in CH3CN and 100 μL of stock fibril solutions is diluted with 880 μL of pH 2 water. 7. The emission spectra of BTA-2 in pH 2 water excited at 430 nm and excited at 360 nm, respectively.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

分子量

268.38

Formula

C16H16N2S

CAS 号
运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

纯度 & 产品资料
参考文献

BTA-2 相关分类

  • 摩尔计算器

  • 稀释计算器

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

质量   浓度   体积   分子量 *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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HY-W176465
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