In Situ TEM Liquid Stage with Heating or Biasing for Dynamic Studies – Stream
Liquid Phase Electron Microscopy (LPEM) is becoming an increasingly popular mode of examination for both materials and life scientists. Stream from DENSsolutions paves the way for you to carry out dynamic studies within your TEM. With the ability to observe directly the behaviour of materials or cells in a liquid environment and the ability to change the temperature or bias in the reaction cell, Stream opens up a host of new experiments where you can directly observe dynamic changes as they take place.
Stream Models
Stream comes in two models:
- LH – Liquid + heating
- LB – Liquid + biasing
Stream models are made to fit most common TEMs including Thermo Scientific/FEI and JEOL.
Nano-Cell Controlled Liquid Environment
The new Nano-Cell overcomes many problems relating to liquid flow by directing liquid flow from inlet to outlet with full control over liquid movement including flow rate, pressure and liquid thickness.
The design also allows for the introduction of gas bubbles which further improves the spatial resolution. These gas bubbles flow in a controlled manner and push out the liquid.
This carefully designed Nano-Cell allows you to obtain reliable data faster and improves the quality of your results.
Precision Fluidic Control
The highly defined liquid channel with no dead volume enables you to rapidly change the sample environment.
Pressure Based Liquid Flow
Using a pressure-based liquid pump, the liquid flow and pressure can be precisely set by the user via pressurised inlet and outlets. Furthermore, the pressure based liquid pump is extremely responsive to changes in flow rate. In conjunction with the purpose-designed Nano-Cell, any changes you make to experimental conditions take effect is just seconds.
The pressure based liquid flow also provides a far more stable flow rate. Once the desired flow rate has been set, this type of system outperforms even high performance syringe pumps.
Reactive Chemical Environments
Normally inert gases are used to pressurise the liquid. However, reactive gases can be used to saturate the liquid for more advanced experiments and studies.
Modular Design
The Stream has been designed so that users can easily service the system. Each vacuum component can be easily removed for cleaning or replaced. Each individual component has been precision manufactured to ensure vacuum tight sealing and fitment with the TEM goniometer.
In addition, the liquid path consists of tubing that can be replaced in just minutes to guarantee against cross contamination between experiments when flushing may not be totally effective.
Upgradable
Stream comes in two models, liquid plus heating or liquid plus biasing. The modular design allows you to upgrade from one to the other.
Typical Application Areas
Stream has the potential to benefit researchers in many fields including:
- Energy storage
- Corrosion
- Electrochemistry
- Nanomaterials
- Cell Biology
- Molecular Biology
Specifications At A Glance
| Model | LH | LB |
|---|---|---|
| Temperature | RT to 100°C | - |
| Voltage Range | - | -10 to +10V |
| Liquid Pressure Range | Up to 2000 mbar ±2 mbar | |
| Liquid flow range | 0 to 200nl/min | |
| Modes | TEM, STEM, Analytical | |
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