Product category:
Cameras and imaging systems
News Release from: Nikon UK | Subject: A1 / A1R microscope
Edited by the Laboratorytalk Editorial
Team on 04 February 2008
Confocal microscope follows the fastest
processes
Even the most rapid biological processes can now be captured at ultra high resolution as a result of the launch of a new range of confocal laser scanner systems by Nikon Instruments
Two models are available; the fully automated A1 and the high specification A1R The A1 utilises conventional paired galvonometers producing high resolution images (up to 4096x4096 pixels), while the A1R incorporates a unique hybrid scanner system (offering frame rates of 30fps, 512x512 pixels)
This article was originally published on Laboratorytalk on 28 May 2008 at 8.00am (UK)
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The high specification A1R features an innovative hybrid resonant-non-resonant scanning system creating a powerful new tool for live cell imaging.
The scanners are used in tandem; the resonant scanner capable of capturing images at 30fps (512x512 pixels), is employed to capture images while the non-resonant scanner photoactivates or photobleaches the specimen.
Additional functionality of the hybrid scanning system enables images to be captured at speeds of up to 420fps (512x32 pixels).
The A1R also boasts an optical pixel clock generator which is used to produce ultra stable clock sync pulses, offering images that are completely even in intensity without distortion even at high speed.
Higher signal to noise imaging is achieved with both models thanks to a 30% increase in signal capture (compared to standard systems).
This is due to the inclusion of the industry's first low-incidence-angle dichroic mirror giving rise to an increase in fluorescence efficiency.
Furthermore, the A1R and the A1 have been designed to incorporate innovative variable hexagonal shaped pinholes that considerably sharpen image quality.
By not clipping the airy disc (as with square pinholes), more light is passed through the pinhole improving optical efficiency.
Coupled with the variable Z resolution, brightness, noise and scanning times can all be optimised.
Image quality is further enhanced by hyper double sampling, whereby PMT (photomultiplier tube) noise is sampled twice and eliminated, reducing noise on images by a third.
An additional benefit of the series is its ability to be used in conjunction with controlled light exposure microscopy (Clem).
Clem is a system for automatically monitoring and varying laser illumination during time-lapse studies in order to minimise the risk of cell degradation, death or bleaching.
As with all Nikon's microscopes, the series is empowered with the company's NIS- Elements software for image capture, processing and analysis.
This means that procedures such as, confocal, Tirf and widefield imaging, can all be performed on the same microscope with the same software.
Moreover the system is provided, as standard, with the analysis software for Frap and Fret. Request a free brochure from Nikon UK ...
The new A1 confocal laser scanning microscope from Nikon Instruments, configured with its recently launched inverted microscope the Ti-E
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