Adenosine triphosphate (ATP) is the most abundant and primary carrier of the required energy for various functions in cells. Prolonged ischemia, reperfusion, anaerobic metabolism and lactate accumulation can lead to a dramatic decrease of ATP, cell swelling, cell rupture, and finally cell death by necrotic, necroptotic, apoptotic, and autophagic mechanisms. Due to drastic hydrolysis of ATP in vivo by ectoenzymes and poor cellular penetration, the direct delivery of ATP to the ischemic tissues is difficult.
To increase delivery of ATP to the tissues and protect from enzymatic degradation, encapsulation in liposomes has been proposed and demonstrated in various models of ischemia [1,2]. Studies on myocardial [1,3,4], liver [5-8], retina [9] and wound healing [10-12] ischemia have shown the ability of liposomal encapsulated ATP to prevent cell death and tissue dysfunction following ischemic events.
The encapsulation of ATP in liposomes markedly promotes its effectiveness by preventing the hydrolysis by extracellular enzymes, increasing ATP circulation time and enhancing its intracellular penetration. Depending on the type of the cell line and the target organ various types of liposomes with different surface charges such as anionic, cationic and neutral has been studied by various groups. Moreover, ATP encapsulated liposomes has been demonstrated to improve energy state and function of the cold-stored liver [6,7,13].
ebiomall.com
>
>
>
>
>
>
>
>
>
>
>
从1~2个T75培养皿的感染细胞培养液中纯化腺病毒
产品简介
本系列试剂盒可快速,高效地从腺病毒感染的细胞培养液中分离纯化腺病毒,相比于传统CsCl超速离心的腺病毒病毒纯化方式(需要24个小时才能完成纯化),本试剂盒可以在1个小时内完成病毒纯化,操作简单,快速,纯化率高,纯化到的病毒颗粒可直接用于下游实验,如细胞和动物感染。
产品特点
?操作简单,快速,可以在1个小时内完成病毒纯化,不依赖于超速离心操作。
?纯化效率高:小量纯化,可从1~2个T75瓶培养的细胞培养液中纯化病毒颗粒高达1x1012VPs
?每个纯化柱,可以重复利用一次,用于纯化相同种类的腺病毒。
保存条件
纯化柱和脱盐柱保存于4℃,其它组分室温保存。
试剂盒组分
Catalog#
V1160-01
Notes
Preps
10
MiniColumns
5
Canbeusedtwice
(Storeat4°C)
Press-OnCap
5
StoreatRT
DesaltingTube*
1
Canberegenarated
(Storeat4°C)
15mLCollectionTube
10
StoreatRT
10xWashBuffer
30mL
StoreatRT
2xElutionBuffer
30mL
StoreatRT
RegenerationBuffer
30mL
StoreatRT
联系方式:
Biomiga(中国)
电话:0573-82651206
QQ:441931287
联系人:张小姐
短截就是把枝条剪短,主要作用是促使其抽生新梢,增加分枝数目,以保证树势健状和正常结果。短截常用于骨干枝组修剪,结果枝组修剪,和树体局部更新复状。
短截按其长度可分为:
① 中短截:在一年生枝的中部短截,剪后萌发的顶端枝条,长势强,下部枝条长势弱。
② 重短截:剪去一年生枝的2/3。剪后萌发出的枝条较强状,一般用于主侧枝延长头修剪。
③ 重剪:剪去一年生枝的3/4-4/5,剪后萌发出的枝条长势强状,常用于发育枝作延长枝头和徒长果枝,中果枝的修剪。
④极重短截:剪去一年生枝的4/5以上,萌发后的枝条中庸偏状,常用于将发育枝和徒长枝培养结果枝组。
⑤留基部2芽剪:剪后萌发枝条较旺盛,常用于预备枝的修剪。对于幼龄树,树势较旺,以培养良好而牢固的树形结构,提早结果为主要目的,以轻短截,少疏间为主,从始果期到盛果期,主要使桃树多结果,并形成好的树形。
试剂里面含有的是病毒的抗原,现在基本都是人工合成或提取的,跟病毒完全是两回事
病毒液通过pre-filterdisc的时候是不是要制造一个真空环境产生压力差使液体通过?这个时候是用自备的针管还是试剂盒配的5毫升的针管啊?
它一般在医院、制药企业使用。
试剂盒使用示例: 试剂盒的产生正是为了使实验人员能够摆脱繁重的试剂配制及优化过程,所以试剂盒中一般配备有相应的使用说明书
过表达慢病毒
>10^8 PFU/ml
干扰慢病毒
>10^8 PFU/ml
暂无品牌问答