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- CAS号:
38183-03-8
- 规格:
1mLx10mM(inDMSO)/5mg/10mg/25mg/50mg/100mg/500mg
| 规格: | 1mLx10mM(inDMSO) | 产品价格: | ¥133.0 |
|---|---|---|---|
| 规格: | 5mg | 产品价格: | ¥122.0 |
| 规格: | 10mg | 产品价格: | ¥184.0 |
| 规格: | 25mg | 产品价格: | ¥316.0 |
| 规格: | 50mg | 产品价格: | ¥529.0 |
| 规格: | 100mg | 产品价格: | ¥784.0 |
| 规格: | 500mg | 产品价格: | ¥1984.0 |
Product Introduction
Bioactivity
| 名称 | 7,8-Dihydroxyflavone |
| 描述 | 7,8-Dihydroxyflavone (7,8-DHF) is a naturally-occurring flavone and exist in Tridax procumbens, Godmania aesculifolia, and primula tree leaves. |
| 细胞实验 | PC12 cells are seeded in 96-well plates at 104/well. After pretreatment with 7,8-DHF (1-25 μM) for 1 h, the cells are exposed to 6-OHDA (100 μM) for subsequent 24 h. The PI3k inhibitor LY294002 or MEK inhibitor PD98059 is added 30 min before 7,8-DHF treatment. At the end of the experiment, PC12 cells are incubated with 20 μl of MTT solution (5 mg/ml in PBS) for 4 h at 37 ?C. The dark blue formazan product due to the reduction of MTT is dissolved in 150 μl of DMSO, and the absorbance at 570 nm is recorded with a microplate reader. The viability is expressed as the percentage of the untreated control cells. (Only for Reference) |
| 体外活性 | 7,8-DHF是一种特异性激活TrkB的正向化合物,不激活TrkA或TrkC,浓度为250 nM。除了皮质和海马神经元外,7,8-DHF还保护包括RGC(视网膜神经节细胞)和PC12细胞在内的其他细胞类型,使其免受兴奋毒性和氧化应激诱导的凋亡和细胞死亡。因此,它具有神经保护特性[1]。 |
| 体内活性 | 7,8-Dihydroxyflavone是一种具有生物活性的化学物质,能够通过血脑屏障(BBB)影响小鼠大脑中TrkB及其下游的PI3K/Akt和MAPK激活,通过腹腔或口服给药方式实现。7,8-DHF在创伤性脑损伤的皮质神经元中促进存活,减少凋亡,7,8-DHF在伤后3小时给药可以通过PI3K/Akt途径减少脑组织损伤。其治疗未引起小鼠明显的毒性反应,在慢性治疗期间对小鼠无毒性。7,8-DHF在治疗阿尔茨海默病方面显示出强大的疗效,并通过激活肌肉中的TrkB[1]抑制肥胖。 |
| 存储条件 | Keep away from moisture,Store under nitrogen Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| 溶解度 | 10% DMSO+90% Saline : < 10 mg/mL (39.33 mM), Lower concentrations may be soluble, but exact solubility limit is unknown. H2O : < 1 mg/mL (insoluble or slightly soluble) DMSO : 250 mg/mL (983.32 mM), Sonication is recommended. Ethanol : 1 mg/mL (3.93 mM), Sonication is recommended. 10% DMSO+40% PEG300+5% Tween 80+45% Saline : 10 mg/mL (39.33 mM), Solution. |
| 关键字 | Tropomyosin related kinase receptor | Trkreceptor | TrkB | Trk Receptor | Inhibitor | inhibit | Apoptosis | 7,8-Dihydroxyflavone | 7,8Dihydroxyflavone | 7,8 Dihydroxyflavone |
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。 3. 轻质碳酸钙(06.003) 编辑本段 回目录 3.1概述 别名沉淀碳酸钙。化学式CaCO3,相对分子质量100.09。碳酸钙依粉末粒径大小不同,分为重质碳酸钙(30一50μm)、轻质碳酸钙(5μm)和胶体碳酸钙(0.03一0.05μm)三种,其他性状基本相同。白色微晶粉末,无臭,无味,相对密度2.5—2.7。在空气中稳定,不发生化学变化,易吸收臭气,有轻微吸湿性。溶于稀乙酸、稀盐酸和稀硝酸,并产生二氧化碳。难溶于稀硫酸。几乎不溶于水和乙醇。 3.2作用
.4 使用范围 调制水 13. 硫酸锌 编辑本段 回目录 13.1 概述 硫酸锌含1个或7个结晶水,无色透明棱形或细小针状晶体或结晶性粗粉。无臭。一水合物于温度超过238℃时失水。七水合物于室温干燥空气中粉化。其水溶液对石蕊呈酸性。溶于水和甘油。几乎不溶于乙醇。 13.2 作用 营养增补剂(锌强化剂)。 13.3 安全性 LD50 1.18g/kg(小鼠,经口);2949mg/kg(大鼠,经口) 13.4 使用
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二羟基黄酮水合物【38183-03-8】
¥122 - 1984









