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Posted: June 22, 2009

Leica Microsystems Launches a Water Immersion Micro Dispenser

(Nanowerk News) Live cell research and screening applications are mainly based on samples in an aqueous solution, so the use of water objectives is becoming more and more important. Water objectives allow aberration-free focusing into such samples. Unfortunately, water evaporates at room temperature, even more so at 37°C and therefore cannot be used for long-term experiments.
>Automatic supply of water immersion during experiments
Automatic supply of water immersion during experiments. Small and compact design allows utilization of all nosepiece positions.
Leica Microsystems has now launched a Water Immersion Micro Dispenser that is easy to retrofit and can be used with water immersion objectives even for long term experiments of living organisms and screening experiments in live cell research. From a small water reservoir magnetically attached to the center of the objective nosepiece, water is automatically pumped into a water cap mounted on the objective. The compact design allows the utilization of all nosepiece positions. The correction ring stays accessible and the full free working distance of the water objective is maintained. Due to the special design of the water cap, the water droplet remains in place, even for screening or mark and find experiments that involve a great deal of stage movement.
As the dispenser plus water reservoir is fully integrated in the microscope and climate chamber, the water is already at the right temperature and does not have to be heated. A protective collar around the objective that can absorb the entire contents of the water reservoir prevents any water getting into the microscope. Automatic supply of water immersion during experiments. Small and compact design allows utilization of all nosepiece positions.
The Water Immersion Micro Dispenser is designed for the Leica DMI6000 B inverted microscope, which is a component of confocal as well as high-end widefield systems. Leica Microsystems’ continuing innovation in microscopy brings the benefits of high-resolution water immersion objectives to live cell applications at 37°C, long term and screening experiments.
Leica Microsystems is a leading global designer and producer of innovative, high-tech, precision optical systems for the analysis of microstructures. It is one of the market leaders in each of its business areas: Microscopy, Confocal Laser Scanning Microscopy with corresponding Imaging Systems, Specimen Preparation, and Medical Equipment. The company manufactures a broad range of products for numerous applications requiring microscopic imaging, measurement, and analysis. It also offers system solutions for life science including biotechnology and medicine, research and development of raw materials, and industrial quality assurance. The company is represented in over 100 countries with 10 manufacturing facilities in 8 countries, sales and service organizations in 19 countries and an international network of dealers. The international management is headquartered in Wetzlar, Germany.
Source: Leica Microsystems (press release)
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