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  4. Nile Blue A sulfate

Nile Blue A sulfate  (Synonyms: 硫酸耐爾藍(lán)A; 硫酸尼羅藍(lán); 硫酸耐爾藍(lán); Nile blue sulfate)

目錄號(hào): HY-101900 純度: ≥98.0%
COA 產(chǎn)品使用指南 技術(shù)支持

Nile Blue A (Nile blue sulfate) 可用于區(qū)分黑色素和脂褐素。它也可用于脂肪染色，以及制備電流葡萄糖傳感器。

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Nile Blue A sulfate Chemical Structure

Nile Blue A sulfate Chemical Structure

CAS No. : 3625-57-8

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規(guī)格 價(jià)格 是否有貨 數(shù)量
10 mM * 1 mL in DMSO ￥550
In-stock
100 mg ￥500
In-stock
200 mg   詢價(jià)  
500 mg   詢價(jià)  

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  • 生物活性

  • 實(shí)驗(yàn)參考方法

  • 純度 & 產(chǎn)品資料

  • 參考文獻(xiàn)

生物活性

Nile Blue A (Nile blue sulfate) is used to differentiate melanins and lipofuscins. It is also useful for staining fats and preparation of an amperometric glucose sensor[1].

體外研究
(In Vitro)

Nile blue A is a basic oxazine dye which is soluble in water and ethyl alcohol. Nile blue A is a satisfactory stain for PHB granules in bacteria and is in fact superior to Sudan black B for this purpose. Poly-p3-hydroxybutyrate granules exhibits a strong orange fluorescence when stained with Nile blue A. Nile blue A appears to stain many more PHB granules than Sudan black B does and is not as easily ished from the cell by decolorization procedures[1]. Nile blue A is used as a stain for polyhydroxyalkanoic acid-accumulating microorganisms or to detect polyhydroxyalkanoic acids in microorganisms. Escherichia coli cells that do not accumulate detectable polyhydroxyalkanoic acids can be stained with Nile blue A and that this staining is sufficient for identifying these cells in fluorescence-activated cell sorting (FACS) experiments. Nile blue A staining does not affect either surface display of peptides or specific labeling of these peptides by a second fluorescence. Staining E. coli for flow cytometry using Nile blue A is an easy-to-handle and low-cost alternative to other fluorescent dyes or the intracellular expression of, for example, green fluorescent protein[2]. Nile blue A is one of the most studied benzophenoxazine dyes, as a potent photosensitizer for photodynamic therapy. The dye when administered intravenously disperses throughout the body by circulating through blood and is taken up by most cells that emphasize its interaction with various biomolecule[3].

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

366.42

Formula

C20H20N3O.1/2O4S2
CAS 號(hào)
性狀

固體

顏色

Light brown to black

中文名稱

硫酸耐爾藍(lán)A；硫酸尼羅藍(lán)
運(yùn)輸條件

Room temperature in continental US; may vary elsewhere.
儲(chǔ)存方式

4°C, sealed storage, away from moisture and light

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

溶解性數(shù)據(jù)
細(xì)胞實(shí)驗(yàn)： 

DMSO 中的溶解度 : ≥ 150 mg/mL (409.37 mM; 吸濕的 DMSO 對(duì)產(chǎn)品的溶解度有顯著影響，請(qǐng)使用新開(kāi)封的 DMSO)

H2O 中的溶解度 : < 0.1 mg/mL (insoluble)

* "≥" means soluble, but saturation unknown.

配制儲(chǔ)備液
濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg
1 mM 2.7291 mL 13.6455 mL 27.2911 mL
5 mM 0.5458 mL 2.7291 mL 5.4582 mL
查看完整儲(chǔ)備液配制表

* 請(qǐng)根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲(chǔ)備液；一旦配成溶液，請(qǐng)分裝保存，避免反復(fù)凍融造成的產(chǎn)品失效。
儲(chǔ)備液的保存方式和期限：-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)。-80°C儲(chǔ)存時(shí)，請(qǐng)?jiān)?個(gè)月內(nèi)使用，-20°C儲(chǔ)存時(shí)，請(qǐng)?jiān)?個(gè)月內(nèi)使用。

  • 摩爾計(jì)算器

  • 稀釋計(jì)算器

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

質(zhì)量
=
濃度
×
體積
×
分子量 *

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

This equation is commonly abbreviated as: C1V1 = C2V2

濃度 (start)

C1

×
體積 (start)

V1

=
濃度 (final)

C2

×
體積 (final)

V2

動(dòng)物溶解方案計(jì)算器
請(qǐng)輸入動(dòng)物實(shí)驗(yàn)的基本信息：

給藥劑量

mg/kg

動(dòng)物的平均體重

g

每只動(dòng)物的給藥體積

μL

動(dòng)物數(shù)量

只
由于實(shí)驗(yàn)過(guò)程有損耗，建議您多配一只動(dòng)物的量
計(jì)算結(jié)果
工作液所需濃度 : mg/mL
純度 & 產(chǎn)品資料
參考文獻(xiàn)
Cell Assay
[1][2][3]

1% aqueous solution of Nile blue A is prepared and filtered before use. Mild heating may be necessary to fully dissolve the stain. Heat-fixed smears of bacterial cells are stained with the Nile blue A solution at 55°C for 10 min in a coplin staining jar. After being stained, the slides are washed with tap water to remove excess stain and with 8% aqueous acetic acid for 1 min. The stained smear is washed and blotted dry with bibulous paper, remoistened with tap water, and covered with a no. 1 glass cover slip. The preparation is examined with a Nikon Labphot microscope with an episcopic fluorescence attachment[1]. The PHA? strain Escherichia coli UT5600(DE3) is stained with Nile blue A. In an Erlenmeyer flask, 20 mL of Luria–Bertani (LB) broth is inoculated with one colony of UT5600(DE3) and incubated for 14 h at 37 °C and 200 rpm. Subsequently, 20 mL of LB broth containing Nile blue A in a final concentration of 0.5 μg/mL is inoculated with 200 μL of the 14-h culture and cultured to an optical density at 578 nm (OD578) of 0.6. As a control, 20 mL of LB broth (without Nile blue A) is inoculated with 200 μL of the 14-h culture and is also cultured to an optical density at OD578 of 0.6. Every 20 min, the OD578 is determined for both cultures to verify whether there is any influence of the dye on the growth of the bacteria[2]. Nile blue A stock solution is prepared using ethanol as the solvent. The concentration of NB is maintained at 5 μM for all the studies. The solutions are left for 1 h to achieve equilibrium before spectral measurements. The absorption spectra are recorded using Shimadzu Spectrophotometer (UV-1800) and the emission spectra are recorded using Jobin–Yvon Spectrofluorimeter. A 450 nm nano-LED is used as the light source and the fluorescence lifetime is collected at λem=672 nm[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
參考文獻(xiàn)

完整儲(chǔ)備液配制表

* 請(qǐng)根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲(chǔ)備液；一旦配成溶液，請(qǐng)分裝保存，避免反復(fù)凍融造成的產(chǎn)品失效。
儲(chǔ)備液的保存方式和期限：-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)。-80°C儲(chǔ)存時(shí)，請(qǐng)?jiān)?個(gè)月內(nèi)使用，-20°C儲(chǔ)存時(shí)，請(qǐng)?jiān)?個(gè)月內(nèi)使用。

可選溶劑 濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.7291 mL 13.6455 mL 27.2911 mL 68.2277 mL
5 mM 0.5458 mL 2.7291 mL 5.4582 mL 13.6455 mL
10 mM 0.2729 mL 1.3646 mL 2.7291 mL 6.8228 mL
15 mM 0.1819 mL 0.9097 mL 1.8194 mL 4.5485 mL
20 mM 0.1365 mL 0.6823 mL 1.3646 mL 3.4114 mL
25 mM 0.1092 mL 0.5458 mL 1.0916 mL 2.7291 mL
30 mM 0.0910 mL 0.4549 mL 0.9097 mL 2.2743 mL
40 mM 0.0682 mL 0.3411 mL 0.6823 mL 1.7057 mL
50 mM 0.0546 mL 0.2729 mL 0.5458 mL 1.3646 mL
60 mM 0.0455 mL 0.2274 mL 0.4549 mL 1.1371 mL
80 mM 0.0341 mL 0.1706 mL 0.3411 mL 0.8528 mL
100 mM 0.0273 mL 0.1365 mL 0.2729 mL 0.6823 mL
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產(chǎn)品名稱：
Nile Blue A sulfate
目錄號(hào)：
HY-101900
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