What is water immersion technology?
Water immersion, in terms of high-content imaging, is the technology that automatically and consistently places a layer of water between the objective (magnification) and the sample.
Many cell imaging systems are designed to have air between the objective and the sample. When using air objectives for 3D imaging, a significant portion of the fluorescent light that is emitted from a sample is refracted away from the objective and becomes lost. This reduces the signal that is collected from the sample, and causes the sample to appear distorted.
Oil objectives have been the gold standard for 3D confocal imaging, because they collect more light from the sample, which increases the signal intensity and enhances the image resolution. However, oil objectives are still problematic, as oil can be difficult to handle in an automated fashion and these objectives can also cause some distortion when imaging large 3D samples.
Water immersion objectives for the ImageXpress Micro Confocal system
Scientists often experience difficulties screening complex models and obtaining better data quality. With water immersion objectives on the ImageXpress® Micro Confocal High-Content Imaging System, they can increase signal up to four times, improve z-resolution, and decrease optical aberrations for sharper, crisper images.
To address 3D image analysis workflow challenges, our MetaXpress® 3D analysis software module enables scientists to generate greater phenotypic data within a single interface without compromising throughput or data quality, giving scientists confidence in their discoveries.
More great resources
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- Water immersion technology and high-content imaging: A closer look
- Improve 3D acquisition and analysis with water immersion objectives