Contact Points
Outer diameter: £ 112 mm (to fit inside existing Bruker BGA12S HP gradient set)
Circular polarization (for optimum transmit and receive efficiency)
Capable of transmit-receive and transmit-only operation at a 1H frequency of 400.1 MHz (for use either as a standalone coil or in conjunction with an actively-decoupled receive coil or array, e.g. a 4 channel rat brain array coil)
Compatible with Bruker Biospec Avance Neo MRI console and ParaVision 360 v. 3.4 (required for safety: operator is prevented from applying excessive power)
Electrical connection via ODU plugs with HWIDS chip for automatic recognition in ParaVision 360 v. 3.4 (required for safety: operator is prevented from applying excessive power)
Pneumatic fixation of coil inside gradient set (needed to fix coil at magnet center without fixtures that would block access to anesthesia, WAG and EtCO2 tubes).
Distance from front of coil to B1 field center £ 192 mm (needed to place brain at center of coil on very large, old rats)
Maximum peak power ³ 1000 watts (needed to generate 90 degree RF pulses short enough to allow gradient echo scanning with echo times TE <= 2 ms.
Maximum average power ³ 28 watts (needed for heteronuclear scanning with composite pulse proton decoupling).
The NIH Mouse Imaging Facility (MIF) is a shared, intramural resource for preclinical animal imaging studies. The MIF provides the NIH intramural research community access to modern radiological imaging equipment optimized for rodents and other laboratory animals for noninvasive imaging studies. The MIF provides intellectual, technical and material support for NIH investigators. MIF imaging resources include magnetic resonance imaging (MRI), micro-computed tomography (Micro-CT), high frequency ultrasound (US) with photoacoustic imaging (PAI), bioluminescence and fluorescence imaging (optical imaging). The MIF provides state-of-the-art anatomical, functional and molecular medical imaging capabilities for animal models of human disease.
The 9.4T Bruker MRI is presently equipped with only one volume coil for use for all of the MRI experiments that take place on the scanner. When it breaks, it must be shipped out for repair and Bruker cannot send us loaner coils because these items are custom built for each scanner. MIF requires a second volume coil in order to reduce delays and harm to experiments in progress while the coil is being repaired.
This requirement is for the following items:
Bruker product code MT0381 - 112mm OD/ 86 mm ID actively-decoupled transmit-receive volume coil for Bruker Biospec 94/20 MRI scanner. A product equal to this may be considered if it is compatible with the existing Biospec 94/20 MRI scanner.
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