| Aerothioninantimycobacterial activity |

Sample solution is provided at 25 µL, 10mM.
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Cell Stem Cell.2017 Nov 20. pii: S1934-5909(17)30375-2.Quality Control & MSDS
- View current batch:
- Purity ≥ 97.00%
- COA (Certificate Of Analysis)
- MSDS (Material Safety Data Sheet)
Chemical structure


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| Cas No. | 28714-26-3 | SDF | Download SDF |
| Synonyms | N/A | ||
| Chemical Name | (5S,5"S,10R,10"R)-N,N"-1,4-butanediylbis[7,9-dibromo-10-hydroxy-8-methoxy-1-oxa-2-azaspiro[4.5]deca-2,6,8-triene-3-carboxamide | ||
| Canonical SMILES | O=C(NCCCCNC(C1=NO[C@@]2([C@@H](O)C(Br)=C(OC)C(Br)=C2)C1)=O)C3=NO[C@@]4([C@@H](O)C(Br)=C(OC)C(Br)=C4)C3 | ||
| Formula | C24H26Br4N4O8 | M.Wt | 818.1 |
| Solubility | Soluble in ethanol;Soluble in DMSO | Storage | Store at -20°C |
| Physical Appearance | A colorless to white adhered film | Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request |
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. | ||
IC50: 29 μM for HeLa cells proliferation
Aerothionin is derived from marine sponges with an antimycobacterial activity.
Antimycobacterial drugs are used in the treatment of diseases caused by Mycobacterium genus, such as tuberculosis and leprosy.
In vitro: In a continuation of efforts to identify bioactive compounds from Red Sea Verongid sponges, the organic extract of the sponge Suberea species afforded seven compounds including aerothionin, together with two new dibrominated alkaloids and four known compounds. In-vitro cytotoxicity study showed that aerothionin and subereaphenol C had potent cytotoxic activity against HeLa cell line with IC50 values of 29 and 13.3 μM, respectively. [1].
In vivo: Red Sea Suberea mollis sponge extract (SMSE), which contains aerothionin, was evaluated for its protective effect on carbon tetrachloride- (CCl4-) induced acute liver injury in rats. Rats were orally administered three different concentrations of SMSE along with CCl4 for 14 days. SMSE could significantly reduce liver enzyme activities and hepatic MDA formation. In addition, SMSE was able to restore NO, SOD, GSH, GPx, and CAT. The histopathological results further confirmed these in-vivo findings [2].
Clinical trial: So far, no clinical study has been conducted.
References:[1] Shaala, L. A.,Youssef, D.T.A.,Badr, J.M., et al. Bioactive secondary metabolites from the read sea marine verongid sponge Suberea species. Mar.Drugs 13, 1621-1631 (2015).[2] Abbas AT, El-Shitany NA, Shaala LA, Ali SS, Azhar EI, Abdel-Dayem UA, Youssef DT. Red Sea Suberea mollis Sponge Extract Protects against CCl4-Induced Acute Liver Injury in Rats via an Antioxidant Mechanism. Evid Based Complement Alternat Med. 2014;2014:745606.
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一般大气压以上5KPA的压力环境就能把水的沸点提高1度;
所以100KPA下的压力锅内的水沸点可以达到120度,所以在这里面杀菌就比在普通的锅里面杀菌效果要好,
当然针对那些怕高温的菌种了;
简介
高压蒸气灭菌法:用高温加高压灭菌,不仅可杀死一般的细菌、真菌等微生物,对芽胞、孢子也有杀灭效果,是最可靠、应用最普遍的物理灭菌法。主要用于能耐高温的物品,如培养基、金属器械、玻璃、搪瓷、敷料、橡胶及一些物的灭菌。高压蒸气灭菌器的类型和样式较多,如:①下排气式压力蒸气灭菌器是普遍应用的灭菌设备,压力升至103.4kPa(1.05kg/cm2),温度达121.3°C,维持15~20分钟,可达到灭菌目的。②脉动真空压力蒸气灭菌器已成为目前最先进的灭菌设备。灭菌条件要求:蒸气压力205.8kPa(2.1kg/cm2),温度达132℃以上并维持10分钟,即可杀死包括具有顽强抵抗力的芽胞、孢子在内的一切微生物。
二、
注意事项
①包裹不应过大、过紧,一般应小于30cm×30cm×50cm;
②高压锅内的包裹不要排得太密,以免妨碍蒸气透入,影响灭菌效果;
③压力、温度和时间达到要求时,指示带上和化学指示剂即应出现已灭菌的色泽或状态;
④易燃,易爆物品,如碘仿,苯类等,禁用高压蒸气灭菌;
⑤锐性器械,如刀、剪不宜用此法灭菌,以免变钝;
⑥瓶装液体灭菌时,要用玻璃纸和纱布包扎瓶口;如有橡皮塞时,应插入针头排气;
⑦应有专人负责,每次灭菌前,应检查安全阀的性能,以防压力过高发生爆炸,保证安全使用;
⑧注明灭菌日期和物品保存时限,一般可保留l~2周。
三、
分类
高压蒸汽灭菌器的分类,按照样式大小分为手提式高压灭菌器、立式压力蒸汽灭菌器、卧式高压蒸汽灭菌器等。
手提式高压灭菌器为18L、24L、30L。立式高压蒸汽灭菌器从30L-200L之间的都有,每个同样容积的还有分为手轮型、翻盖型、智能型,智能型又分为 标准配置、蒸汽内排、真空干燥型。还可以根据客户的要求加配打印机。还有大型卧式的高压灭菌锅。
高压灭菌锅简介
高压灭菌锅又名高压蒸汽灭菌锅,可分为手提式灭菌锅和立式高压灭菌锅。利用电热丝加热水产生蒸汽,并能维持一定压力的装置。主要有一个可以密封的桶体,压力表,排气阀,安全阀,电热丝等组成。高压灭菌锅用途
适用于医疗卫生事业,科研,农业等单位,对医疗器械,敷料,玻璃器皿,溶液培养基等进行消毒灭菌,是理想的设备。手提式高压灭菌锅是食品厂、饮用水厂办QS、HACCP认证的必备检验设备.
高压灭菌锅控制方式
采用微电脑智能化全自动控制,控制灭菌压力,温度,时间;超温自动保护置:超过设定温度,自动切断加热电源;门安全连锁装置:内腔有压力,门盖无法打开,专利装置;低水位报警:缺水时能自动切断电源,声光报警,进口断水检测装置;漏电保护:配置漏电保护装置;温度动态数字显示,灭菌结束发出结束信号;升温、灭菌、排汽、干燥过程自动控制,无须人工监管;模式一:加热-灭菌-排汽;模式二:加热-灭菌-脉冲排汽;模式三:加热-灭菌-不排汽,模式四:自定义。
高压灭菌锅如何使用
1、在外层锅内加适量的水,将需要灭菌的物品放入内层锅,盖好锅盖并对称地扭紧螺旋。
2、加热使锅内产生蒸气,当压力表指针达到 33.78kPa时,打开排气阀,将冷空气排出,此时压力表指针下降,当指针下降至零时,即将排气阀关好。
3、继续加热,锅内蒸气增加,压力表指针又上升,当锅内压力增加到所需压力时,将火力减小,按所灭菌物品的特点,使蒸气压力维持所需压力一定时间,然后将灭菌器断电或断火,让其自然冷后再慢慢打开排气阀以排除余气,然后才能开盖取物。

