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  3. Hoechst 33342 trihydrochloride

Hoechst 33342 trihydrochloride  (Synonyms: bisBenzimide H 33342 trihydrochloride; HOE 33342 trihydrochloride)

目录号: HY-15559A 纯度: 99.81%
COA 产品使用指南

Hoechst 33342 trihydrochloride 是 Hoechst 系列的标记染料。Hoechst 系列是活细胞核标记染料。Hoechst 通过结合 DNA 双链中的小沟而结合核酸。Hoechst 倾向于结合富含 A/T 的 DNA 链。同时,富含 A/T 的双链 DNA 使荧光强度显著增强。Hoechst 可穿过细胞膜,结合活细胞或固定细胞。Hoechst 染料的荧光强度随着溶液 pH 升高而增强。

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Hoechst 33342 trihydrochloride Chemical Structure

Hoechst 33342 trihydrochloride Chemical Structure

CAS No. : 875756-97-1

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Customer Review

Other Forms of Hoechst 33342 trihydrochloride:

MCE 顾客使用本产品发表的 50 篇科研文献

IF

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: Bioact Mater. 2022 Mar 17;18:91-103.  [Abstract]

    The fluorescent images of HUVECs stained with NO fluorescent probe (DAF-FM DA) and Hoechst 33342 after being treated with UCATS under dark conditions or 808 nm NIR irradiation.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: Chem Eng J. 15 December 2022, 138004.

    Apoptotic cells in four groups were stained with Hoechst 33342 (for 10 min) reflected by bright blue nuclei, including hP-MSCs cultured on noncoated, L-Gel-coated (10 nM), and D-Gel coated (10 nM) plates under exposure of 500 μM H2O2 for 5 h except for the normal group, and PBS as control.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: J Lipid Res. 2022 May;63(5):100207.  [Abstract]

    complete medium containing 1 μg/mL BODIPY 500/510 for 3 h and then 2 μg/mL Hoechst 33342 for an additional 2 min.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: Theranostics. 2021 Mar 4;11(10):4655-4671.  [Abstract]

    Hoechst 33342 (10 µg/mL) is added to the medium of cultured megakaryocytes for 2 h at 37°C. Cells are stained with the directly coupled monoclonal antibodies PE-anti-CD41 and APC-anti-Mpl for 30 min at 4°C. Ploidy is measured in the CD41+Mpl+ cell population.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: J Cell Biol. 2021 Oct 4;220(10):e202011153.  [Abstract]

    Chromatin is briefly counterstained with Hoechst 33342 (5 µg/mL) before imaging.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: Aging Cell. 2021 Jul;20(7):e13382.  [Abstract]

    BM cells are incubated with 5 μg/mL Hoechst 33342 in Hank balanced salt solution containing 20 mM HEPES, 5 mM glucose, and 10% fetal bovine serum at 37°C for 45 min, followed by an additional 45 min of incubation with 1 μg/ml Pyronin Y.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: Stem Cell Res Ther. 2021 Jan 22;12(1):77.  [Abstract]

    To evaluate the anti-apoptosis property of extracellular vesicles from hP-MSCs, the Hoechst 33342 (for 10 min) is used to distinguish the apoptotic cells in the three different groups.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: Acta Biomater. 2020 Sep 1;113:289-304.  [Abstract]

    Hoechst 33342 staining (for 6 h) is used to distinguish apoptotic changes in H2O2-treated hP-MSCs.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: ACS Appl Mater Interfaces. 2018 Sep 12;10(36):30081-30091.  [Abstract]

    Hoechst 33342 staining shows the survival of HUVECs administrated 100 μg/mL exosomes or CS-Exo upon exposure to 400 μM H2O2.

    Hoechst 33342 trihydrochloride purchased from MCE. Usage Cited in: Chinese Pharmacological Bulletin. 2018 May; 34(5): 620-626.

    PC12 cells are treated with 1.5 mM Methylglyoxal (MG) for 24 h before pretreatment with Butein (2.5, 5 μM) for 1 h. Propidium iodide (PI) and Hoechst 33342 are used to determine cell apoptosis.
    • 生物活性

    • 实验参考方法

    • 纯度 & 产品资料

    • 参考文献

    生物活性

    Hoechst 33342 trihydrochloride is a marker dye in Hoechst series. Hoechst is A live nuclear marker dye. Hoechst binds to the grooves in the DNA double strand, which tends to be A/ T-rich DNA strand. Although it binds to all nucleic acids, the A/ T-rich double strand DNA significantly enhances fluorescence intensity Therefore,Hoechst dye can be used for living cell labeling. The fluorescence intensity of Hoechst dye increases with the increase of pH of solution[1].

    IC50 & Target

    Dye reagent[1]
    DNA Stain[1]

    体外研究
    (In Vitro)

    Hoechst 工作液的配制
    1.1 制备储存液
    用 DMSO 配制 1 mg/mL 的 Hoechst 储存液。
    注:Hoechst 储存液建议分装后于 -4℃ 或 -20℃ 避光保存。
    1.2 工作液的配制
    用预热好的无血清细胞培养基或 PBS 稀释储存液,终浓度为 10 μg/mL Hoechst 工作液。
    注:请根据实际情况调整 Hoechst 工作液浓度,且现用现配。
    2. 细胞染色(悬浮细胞)
    2.1 离心收集细胞,加入 PBS 洗涤两次,每次 5 分钟。细胞密度在 1×106/mL
    2.2 加入 1 mL Hoechst 工作液,室温孵育 3-10 分钟。
    2.3 400 g,离心 3-4 分钟,弃去上清。
    2.4 加入 PBS 洗涤细胞两次,每次 5 分钟。
    2.5 用 1 mL 无血清培养基或 PBS 重悬细胞后,使用荧光显微镜或流式细胞仪进行观察。
    3. 细胞染色(贴壁细胞)
    3.1 将贴壁细胞培养于无菌盖玻片上。
    3.2 从培养基中移出盖玻片,吸除多余培养基。
    3.3 加入 100 μL 染料工作液,轻轻晃动使其完全覆盖细胞,孵育 3-10 分钟。
    3.4 吸去染料工作液,用培养基洗 2-3 次,每次 5 分钟,使用荧光显微镜或流式细胞仪进行观察。


    注意事项
    1. 请根据实际情况调整 Hoechst 工作液浓度。
    2. 本产品仅限于专业人员的科学研究用,不得用于临床诊断或治疗,不得用于食品或药品。
    3. 为了您的安全和健康,请穿实验服并戴一次性手套操作。

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

    分子量

    561.93

    Formula

    C27H31Cl3N6O

    CAS 号
    性状

    固体

    颜色

    Light yellow to green yellow

    Emission (Em)

    451

    Excitation (Ex)

    356

    运输条件

    Room temperature in continental US; may vary elsewhere.

    储存方式

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

    *该产品在溶液状态不稳定,建议您现用现配,即刻使用。

    溶解性数据
    In Vitro: 

    DMSO 中的溶解度 : ≥ 46 mg/mL (81.86 mM; 吸湿的 DMSO 对产品的溶解度有显著影响,请使用新开封的 DMSO)

    H2O 中的溶解度 : ≥ 5.6 mg/mL (9.97 mM)

    * "≥" means soluble, but saturation unknown.

    配制储备液
    浓度 溶剂体积 质量 1 mg 5 mg 10 mg
    1 mM 1.7796 mL 8.8979 mL 17.7958 mL
    5 mM 0.3559 mL 1.7796 mL 3.5592 mL
    查看完整储备液配制表

    * 请根据产品在不同溶剂中的溶解度,选择合适的溶剂配制储备液;该产品在溶液状态不稳定,建议您现用现配,即刻使用。

    * 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

    • 摩尔计算器

    • 稀释计算器

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

    质量
    =
    浓度
    ×
    体积
    ×
    分子量 *

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

    This equation is commonly abbreviated as: C1V1 = C2V2

    浓度 (start)

    C1

    ×
    体积 (start)

    V1

    =
    浓度 (final)

    C2

    ×
    体积 (final)

    V2

    In Vivo:

    以下溶解方案,请直接配置工作液。建议现用现配,在短期内尽快用完。 以下溶剂前显示的百分比是指该溶剂在您配制终溶液中的体积占比; 如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶。

    • 方案 一

      请依序添加每种溶剂: PBS

      Solubility: 3.33 mg/mL (5.93 mM); 澄清溶液; 超声助溶 (<60°C)

    动物溶解方案计算器
    请输入动物实验的基本信息:

    给药剂量

    mg/kg

    动物的平均体重

    g

    每只动物的给药体积

    μL

    动物数量

    由于实验过程有损耗,建议您多配一只动物的量
    计算结果
    工作液所需浓度 : mg/mL
    纯度 & 产品资料

    纯度: 99.81%

    染色示例
    参考文献
    Cell Assay
    [1]

    Labeling Nuclear DNA with Hoechst 33342[1] Step 1, Dilute the Hoechst stock solution 1:100 in H2O for use in labeling. Step 2, Aspirate the cell medium from cells grown on coverslips. Rinse the cells three times with PBS+. Step 3, Incubate the cells in the Hoechst labeling solution (from Step 1) for 10-30 min at room temperature. Step 4, Aspirate the labeling solution. Rinse the cells three times in PBS+. Step 5, Mount the coverslips. Step 6, Image the cells (λex ~353 nm, λem ~483 nm for Hoechst 33342)[1].

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

    参考文献

    Hoechst 33342 trihydrochloride 相关分类

    完整储备液配制表

    * 请根据产品在不同溶剂中的溶解度,选择合适的溶剂配制储备液;该产品在溶液状态不稳定,建议您现用现配,即刻使用。

    可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
    H2O / DMSO 1 mM 1.7796 mL 8.8979 mL 17.7958 mL 44.4895 mL
    5 mM 0.3559 mL 1.7796 mL 3.5592 mL 8.8979 mL
    DMSO 10 mM 0.1780 mL 0.8898 mL 1.7796 mL 4.4490 mL
    15 mM 0.1186 mL 0.5932 mL 1.1864 mL 2.9660 mL
    20 mM 0.0890 mL 0.4449 mL 0.8898 mL 2.2245 mL
    25 mM 0.0712 mL 0.3559 mL 0.7118 mL 1.7796 mL
    30 mM 0.0593 mL 0.2966 mL 0.5932 mL 1.4830 mL
    40 mM 0.0445 mL 0.2224 mL 0.4449 mL 1.1122 mL
    50 mM 0.0356 mL 0.1780 mL 0.3559 mL 0.8898 mL
    60 mM 0.0297 mL 0.1483 mL 0.2966 mL 0.7415 mL
    80 mM 0.0222 mL 0.1112 mL 0.2224 mL 0.5561 mL

    * 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

    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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    目录号:
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