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Msr-Ratio (Msr-green)是一種比率型甲硫氨酸亞砜還原酶 (methionine sulfoxide reductase) 的熒光探針 (λex=375 nm, λem=550 nm)。Msr-Ratio 可用于監(jiān)測體外和活細(xì)胞中的甲硫氨酸亞砜還原酶活性。

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Msr-Ratio Chemical Structure

Msr-Ratio Chemical Structure

CAS No. : 2290635-22-0

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規(guī)格 價格 是否有貨 數(shù)量
1 mg ¥720
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5 mg ¥1620
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10 mg ¥2565
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25 mg ¥4320
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50 mg ¥5940
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  • 生物活性

  • 純度 & 產(chǎn)品資料

  • 參考文獻(xiàn)

生物活性

Msr-Ratio (Msr-green) is a ratiometric fluorescent probe of methionine sulfoxide reductase (λex=375 nm, λem=550 nm). Msr-Ratio is used for monitoring the enzyme activity in vitro and in live cells[1].

體外研究
(In Vitro)

Msr-Ratio is converted to its corresponding sulfide form by methionine sulfoxide reductase. Msr-Ratio displays favorable properties such as a nearly 400-fold fluorescence change, fast response rate (<30 min), large Stokes shift (120 nm), and green emission (550 nm)[1].
There is a very weak background signal in live HL60 cells after the addition of Msr-Ratio. As the Msr-Ratio (10 μM) incubation time increased in cells from 0 to 8 h, the fluorescence signal constantly strengthened[1].

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

分子量

310.37

Formula

C18H14O3S

CAS 號
性狀

固體

顏色

White to off-white

Emission (Em)

550

Excitation (Ex)

375

運輸條件

Room temperature in continental US; may vary elsewhere.

儲存方式

-20°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

溶解性數(shù)據(jù)
細(xì)胞實驗: 

DMSO 中的溶解度 : 100 mg/mL (322.20 mM; 超聲助溶; 吸濕的 DMSO 對產(chǎn)品的溶解度有顯著影響,請使用新開封的 DMSO)

配制儲備液
濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg
1 mM 3.2220 mL 16.1098 mL 32.2196 mL
5 mM 0.6444 mL 3.2220 mL 6.4439 mL
查看完整儲備液配制表

* 請根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲備液;一旦配成溶液,請分裝保存,避免反復(fù)凍融造成的產(chǎn)品失效
儲備液的保存方式和期限:-80°C, 6 months; -20°C, 1 month (protect from light)。-80°C儲存時,請在6個月內(nèi)使用,-20°C儲存時,請在1個月內(nèi)使用。

  • 摩爾計算器

  • 稀釋計算器

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

動物溶解方案計算器
請輸入動物實驗的基本信息:

給藥劑量

mg/kg

動物的平均體重

g

每只動物的給藥體積

μL

動物數(shù)量

由于實驗過程有損耗,建議您多配一只動物的量
計算結(jié)果
工作液所需濃度 : mg/mL
純度 & 產(chǎn)品資料
參考文獻(xiàn)

完整儲備液配制表

* 請根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲備液;一旦配成溶液,請分裝保存,避免反復(fù)凍融造成的產(chǎn)品失效。
儲備液的保存方式和期限:-80°C, 6 months; -20°C, 1 month (protect from light)。-80°C儲存時,請在6個月內(nèi)使用,-20°C儲存時,請在1個月內(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 3.2220 mL 16.1098 mL 32.2196 mL 80.5490 mL
5 mM 0.6444 mL 3.2220 mL 6.4439 mL 16.1098 mL
10 mM 0.3222 mL 1.6110 mL 3.2220 mL 8.0549 mL
15 mM 0.2148 mL 1.0740 mL 2.1480 mL 5.3699 mL
20 mM 0.1611 mL 0.8055 mL 1.6110 mL 4.0275 mL
25 mM 0.1289 mL 0.6444 mL 1.2888 mL 3.2220 mL
30 mM 0.1074 mL 0.5370 mL 1.0740 mL 2.6850 mL
40 mM 0.0805 mL 0.4027 mL 0.8055 mL 2.0137 mL
50 mM 0.0644 mL 0.3222 mL 0.6444 mL 1.6110 mL
60 mM 0.0537 mL 0.2685 mL 0.5370 mL 1.3425 mL
80 mM 0.0403 mL 0.2014 mL 0.4027 mL 1.0069 mL
100 mM 0.0322 mL 0.1611 mL 0.3222 mL 0.8055 mL
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  • 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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產(chǎn)品名稱:
Msr-Ratio
目錄號:
HY-D1257
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