此镊子为Vitrobot制样系统的冷冻机械臂设计，兼容每一代Vitrobot系统，提升制样过程的直观性和可重复性。相较于随FEI Vitrobot 制样系统的附赠的镊子，性能有所提升。

弹簧式机械臂夹:

·方便从冷冻机械臂上安装和卸除

·配有弹簧夹，可以轻易捏开以安装到冷冻臂上或取下

·精密制造的夹钳，可以精准牢固地连接到冷冻臂的楔形榫上

·镊子与冷冻臂的中轴对齐，确保作业时可以安全地插入液态乙烷中

优化反动作镊子:

·自然状态下可以牢固地夹住铜网

·只需轻捏即可将铜网置于网盒中

·超细精密镊子

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Tweezers for plunge-freezing cryo-TEM sample preparation systems have remained the same across all platforms ａnd generations. Fighting to get the tweezer dovetail on ａnd off of the plunger - and fighting with a plastic "O-ring" to grasp ａnd release the delicate TEM grid. NanoSoft＇s Cryo-Tweezers work with all generations of the FEI Vitrobot ａnd offer multiple features that make the sample preparation process more dependable ａnd effortless for the user. Experienced sample preparation experts will find it a smoother process. Early experiences for beginners will become less stressful, leading to fewer lost grids ａnd more successful imaging as they prepare their first samples. And we repair our Cryo-Tweezers for much less than the price of a new pair (click for details)!

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Spring-loaded Plunge Clamp: The Vitrobot tweezers interface with the FEI Vitrobot plunger with a dovetail geometry.  The tight mate of the dovetail makes it difficult to attach ａnd detach the tweezers, ａnd is sometimes difficult to control, leading to crashing the sample grid into the ethane cup walls.  Our Plunge-Clamp is spring loaded ａnd when pinched open is easy to attach to, ａnd remove from, the plunge arm.  When closed in its natural state, the clamp attaches securely to the dovetail at the end of the plunge arm.  The clamp self-centers to align the tweezers axis with the axis of the plunger rod to ensure that it plunges safely through to the liquid ethane.
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Modified Reverse-Action Tweezers: The FEI Vitrobot tweezers are positive action, so an "O-ring" is utilized to keep the tweezers closed on the sample grid.  This requires you to carefully slide the O-ring up ａnd down the tweezers, while holding the tips closed, whenever you want to grab or release the grid.  Our reverse action tweezers hold the grid securely in their natural state ａnd require just a small pinch to release the grid into the grid box. Commercially available reverse-action tweezers are too wide for the Vitrobot blotting arms - our modified version fits between the blotting pads without interfering with the blot.