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High Performance Linear Positioning Stage with Low-Expansion Glass-Scale Encoder and Precision Ball-Screw Drive
A compact, high performance linear positioning stage featuring smooth travel and high-load capacity has been introduced by Aerotech. The new MPS75SLE stage is designed for production and research applications in optics, surface metrology and general purpose high-precision alignment.
Its precision ground, preloaded ball- screw and linear encoder provide outstanding accuracy, repeatability and a positioning resolution capability to 25 nm. The anti-creep crossed-roller bearings provide exceptionally smooth travel and high-load capacity in a compact package.
The stage has a low thermal expansion (3.3 ppm/˚C) precision glass scale that assures high accuracy and repeatable positioning over long periods of time.
Motor options include a DC servomotor with a high-resolution rotary encoder or a stepper motor. Optional bellows waycovers are available for applications where contamination may occur.
A wide range of adapter brackets supports mounting compatibility across Aerotech’s entire MPS family of stages. This allows users to assemble multi-axis configurations with other linear and rotary stages.
Aerotech is a leading global supplier of positioning and motion control products for industry, government, science and research institutions. Its products provide critical performance for demanding applications requiring high precision, high-throughput motion control solutions.
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Imaging of Tumour Growth and Metastasis in a Pancreatic Cancer Mouse Model
The iBox Scientia is an advanced fluorescent in vivo imaging system with high sensitivity CCD camera and optics. With the external BioLite MultiSpectral Light Source, the iBox Scientia system is able to visualise both normal white light images and multiplex fluorescence images.
The iBox Scientia has a wide field of view (FOV) window that can monitor up to 4 mice at the same time. The system is broadly used in various studies in different biomedical research areas. For example, iBox Scientia was used to detect the tumour growth and metastasis in a pancreatic cancer mouse model.
The human tumour xenograft model is a well-established method for cancer research. In this study, tumour tissues grown from RFP labelled MIA PaCa-2 cell were transplanted to nude mice. Tumour growth and metastasis were monitored in the mice at 1, 7, 14, 21, 28 days after transplantation. With iBox Scientia’s sensitive imaging technology, the increased RFP signal intensity indicating rapid tumour development was observed from the mouse body. The images were further analysed by UVP’s VisionWorks software and reliable quantitative measurements of tumour growth were achieved.
Read the app note at
http://www.uvp.com/pdf/apps/FP-186.pdf
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