The EMU specimen preparation suite includes equipment designed for specimen preparation for microscopy, in addition to basic lab equipment. For training or access to any of these pieces of equipment, please speak to EMU staff.
Lighsheet microscopy is a fluorescence-based imaging technique that is growing in popularity. It outperforms other techniques in its ability to rapidly capture large optically sectioned three dimensional datasets, whilst keeping photo-toxicity and bleaching to a minimum. It therefore lends itself well to imaging samples larger than those typically attempted by conventional fluorescence microscopy such as tissues, whole organs and even embryo development.
The FV1200 is a filter based upright confocal system. A workhorse of our confocal systems it is well equipped for standard fixed samples where high resolution and sensitivity are required for localization based studies. Additionally as one of the few upright confocal systems within the BMIF it provides a means for visualizing water submerged opaque samples.
Leica TCS SP5 equipped with a Spectra-Physics Mai Tai Ti:Sapphire laser is an inverted confocal laser scanning microscope. It is designed for high-resolution fluorescence and transmitted light imaging with single or multi-photon excitation, in 2D, 3D or 4D with live or fixed cells. It can also be used for Fluorescence Recovery After Photo bleaching (FRAP), pulsed Stimulated Emission Depletion (pulsed STED) and Fluorescence Correlation Spectroscopy (FCS). In combination with the Picoquant Microtime200, it can be used for Fluorescence Correlation Spectroscopy (FCS) coupled to Fluorescence Lifetime Imaging (FLIM).
The Zeiss LSM 780 is a high-sensitivity laser scanning confocal microscope. Unlike most standard confocal systems this instrument comes equipped with a GaAsP photodetector. This detector in addition to boasting a quantum efficiency of 45% (in comparison to 25% for standard PMTs), it can also be used as a single-point detector or as a 32-channel detector array facilitating spectral measurements. It can also be switched into a single-photon counting mode providing great signal to noise for such techniques as FCS and RICS.
The Zeiss Elyra Superresolution Microscope is a developmental superresolution microscope with capabilities to push imaging past the classic diffraction limit. Typically visible light microscopes cannot achieve spatial resolution of greater than 200-250 nanometers. This system has two different imaging modalities to push this limit as low as 20 nanometers.
The zeiss Spinning Disk/TIRF system is a custom built instrument. Built upon an Axio Observer X.1 body it is equipped with a Yokogawa Spinning disk CSU-X1 module providing confocal imaging at rapid frame rates captured on an EM CCD camera (Quant EM) ideally suited for low light imaging. Attached to a different microscope port is a highly sensitive high frame rate sCMOS camera (Orca Flash 4) which can be used for standard epifluorescence, rapid ratiometric imaging utilising a fast excitation switching light source (Lambda DG4) or acquire fluorescence images using TIRF illumination.
This microscope has a unique design, allowing for a great deal of customization of the sample space and experimental design. The system is designed for up to four-color total internal fluorescence (TIRF), photoactivation (PA), fluorescence resonance energy transfer (FRET), widefield correlation spectroscopy (WCS), spatio-temporal image correlation spectroscopy (STICS), and fluorescence recovery after photobleaching (FRAP) experiments, all at high frame rates. Single-molecule measurements can be enhanced with a pair of single-photon avalanche photodiodes (APDs) and a pulse correlator for fluorescence correlation spectroscopy (FCS) and fluorescence cross-correlation spectroscopy (FCCS) experiments. An environmental chamber allows for these techniques to be extended to live cell samples.
The Microtime200, manufactured by the German-based PicoQuant GmbH, is generally used in conjunction with the TCS SP5 microscope. By using the lasers from the TCS SP5, the Microtime200 is capable of measuring how fast proteins move within the cell (diffusion) and protein to protein interactions.
The Nikon Eclipse TiE is ideally suited for live cell imaging studies. With one of the best focus stabilisation devices on the market the Perfect Focus System (PFS) ensures that the focus you set at the start of the experiment will be maintained throughout its entirety. They system is fitted with several phase contrast objects making it suitable for imaging cells through a range of materials including plastic, as well as 3 high NA DIC objects for achieving astounding detail if imaging through glass.