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Biopharma Technology冻干显微镜LyoStat5产品简介:
LyoStat5冻干显微镜在微观条件下模拟样品的冷冻干燥过程,因此您可以在微量的样品前提下确立样品在冷冻干燥中的塌陷温度,确保下一阶段研发的安全。LyoStat5能够模拟冻干机的工作环境,并通过光学系统对样品形态进行观察和分析,样品的图像和视频可以进行留存。
Biopharma Technology冻干显微镜LyoStat5产品特点:
实现安全,强大且经济高效的周期开发:确定塌陷/共晶温度,结晶现象,表皮/结壳形成的可能性以及退火对冰晶生长和溶质结构的影响
实时数字视频观测:使用高性能的数码USB相机确定崩溃的确切点,捕获多达80 GB的信息
优化的光学系统:与复合型显微镜相比,透镜数量更少,图像更清晰,带有高效定制电子模块的LED灯,使用寿命超过60,000小时
电动真空控制:试验箱压力以mBar,kPA或mTorr显示,可深入研究压力对样品崩塌的影响
液氮冷却系统:自动双泵冷却系统,包括2L杜瓦瓶和柔性绝缘管和两个泵以便快速冷却
用户友好的软件:完全控制温度编程器的主动坡度信息和层级压力,在一个简单的屏幕数据表中创建多个斜坡和维持步骤的温度曲线
Biopharma Technology冻干显微镜LyoStat5行业应用:
生物制药领域
保修期: 1年
是否可延长保修期: 是
现场技术咨询: 无
免费培训: 安装现场提供免费操作培训
免费仪器保养: 无
保内维修承诺: 配件非人为损坏免费更换(耗材除外)
报修承诺: 4小时电话响应,48小时现场服务
Biopharma冷冻状态分析仪Lyotherm3
型号:Lyotherm3 面议Biopharma Micropress冻干饼强度测试仪
型号:Micropress 面议美国SP Virtis Ultra 小批量生产型冻干机
型号:Ultra & VirTual 面议美国SP Virtis Benchmark 中试及产业型冻干机
型号:Benchmark 面议Vaccination prevents millions of deaths from infectious diseases per year; however, there are still millions of people who die from these diseases due to weak thermostability demanding cold chains, long-term stability issues and distribution challenges. All these limitations can be overcome by creating a dry product through lyophilization. With the urgency to develop a coronavirus vaccine, it is a crucial time to discuss the process of freeze-drying vaccines.
The objective of this investigation was to evaluate two methods for measuring the maximum sublimation rate that a freeze-dryer will support—the minimum controllable pressure method and the choke point method. Both methods gave equivalent results, but the minimum controllable pressure method is preferred, since it is easier, faster, and less subjective. The ratio of chamber pressure to condenser pressure corresponding to the onset of chokedflflow was considerably higher in this investigation (up to about 20:1) than in previously published reports. This ratio was not affected by the location of the pressure gauge on the condenser; that is, on the foreline of the vacuum pumpversuson the body of the condenser itself. The total water loss due to sublimation as measured by tunable diode laser absorption spectroscopy was consistently within 5% of gravimetrically determined weight loss, regardless of whether the measurement took place during chokedversusnon-choked process conditions.
Biopharma生物显微镜LyoStat5的工作原理介绍
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