Creating a miniature liquid cell inside the TEM

Poseidon Select creates a miniature liquid cell inside the TEM. It enables you to visualize numerous nanoscale processes in their native environment such as corrosion, particle analysis, biological materials and battery materials. Featuring self-aligning parts and numerous E-chip configurations, Poseidon Select expands the capability of your microscope with unmatched experiment simplicity.


See how researchers utilized Poseidon Select to publish results in peer-reviewed journals.


System Media

Take a look at real sample images and videos acquired with the Poseidon Select system.

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exploded view of liquid cell holder TEM

Prepare Efficiently

Assemble the holder in just 5 steps, making it easier to use and easy to teach. Featuring self-aligning parts that guarantee window alignment, and a single o-ring gasket forms a hermetic seal that safely. Simply and safely prepare the liquid cell and maximize TEM data collection time, instead of wasting it on hardware assembly.

TEM Liquid Microscopy Cell visual data

Acquire Element Maps Quickly

Know how your sample evolves under different liquid conditions. Poseidon Select has the largest line of sight for highest EDS x-ray counts to identify elements during in situ experiments.

Sacci, et al. Microscopy and Microanalysis, 2014 of TEM Liquid Microscopy Cell

Quantitative Electrochemistry Data

The Poseidon Select Electrochemistry system is designed to resolve the small currents while maintaining imaging and analytical data collection.
It features low noise electronics for pA sensitivity, E-chips with relevant electrode materials such as glassy carbon, and a floating ground enables optimized signals, even during electron beam illumination.

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Liquid Cell TEM System Components

Every Protochips in situ solution is driven by Clarity workflow-driven software, using a wide variety of MEMS-based E-chips and accessories to best fit your research needs. All of these components are fully approved by the major microscope manufacturers to meet their rigorous standards for safety, compatibility, and reliability.

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Poseidon Select is just one of our in situ solutions. Browse our other products to learn more about how we can best serve your needs.

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