
Direct WGA Kit
- Simple and Fast
- Uniform amplification
- Whole genome amplification from tissues without DNA purification
- Multiple displacement amplification by Phi29 DNA polymerase
Products
Cat.No. | Product | Size |
---|---|---|
DWGA50 | HelixAmp™ Direct WGA Kit | 50 rxns |
DWGA100 | HelixAmp™ Direct WGA Kit | 100 rxns |
- Description
- Data
- Details
- Documents
HelixAmp™ Direct WGA Kit is a complete system for whole genome amplification from various tissues or samples directly without DNA purification processes. Very little amount of samples, several miligram or microliter volume, are required for the direct WGA. About 10 μg DNA products could be obtained in a standard reaction. The enzyme mix and buffer system are designed to tolerate against most amplification inhibitors found in crude samples. Phi29 DNA polymerase, the major polymerization enzyme of this kit, isothermally amplifies the genomic DNAs included in the samples with multiple displacement mechanism. Phi29 DNA polymerase could produce DNA strand up to 70 kb long with high fidelity. All required components including enzymes, buffers, dNTPs, random primers, and sample pretreatment reagents are supplied in this kit. The amplified DNA products could be applied for successive PCR, genotyping, and library construction.
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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;
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。
需要达到103.4kPa(1.05kg/cm2)蒸汽压下,温度达121.3℃的条件。高压蒸汽灭菌法 可杀灭包括芽胞在内的所有微生物。方法是将需灭菌的物品放在高压锅内,加热时蒸汽不外溢,高压锅内温度随着蒸汽压的增加而升高。在103.4kPa(1.05kg/cm2)蒸汽压下,温度达到121.3℃。因为蒸汽不能溢出,而增加了灭菌器内的压力,从而使沸点增高,得到高于100℃的温度。导致菌体蛋白质凝固变性而达到灭菌的目的。
下排气式:敷料,121摄氏度,30min,102.9kPa
器械:121摄氏度,20min,102.9kPa
预真空式:器械、敷料,132~134摄氏度,4min,205.8kPa

