3 single photon emission computed tomography

... al: The functional anatomy of motor recovery after stroke in humans: a study with positron emission tomography Ann Neurol 1991, 29(1):63-71 20 Cao Y, et al: Pilot Study of Functional MRI to Assess ... applying the modified Beer-Lambert law (MBLL), the concentration for O Hb and HHb ([O Hb], [HHb]) were computed from the measured absorption changes [33,34] A program for MATLAB® (Version 2008a) was ... rechargeable battery, which allows a continuous data acquisition for 180 minutes at full light emission power The light intensity is sampled at 100 Hz and the resulting data are transmitted wirelessly...

Ngày tải lên: 19/06/2014, 08:20

... and CO2Hb were measured by means of a near – infrared spectroscopy device (NIRO 300, Hammamatsu Photonics, Australia) The emitting probe of the NIRS equipment was placed on the left frontal side ... subject performing BH 130 PV CBFV (cm/s) 110 90 The mean variations of the O2Hb and of the CO2Hb were computed by first normalizing each BH duration and then averaging the chromophores concentrations ... index These reactivity indexes are expressed in µmol/l/s Beside the BHI, for each subject we also computed the slope of the O2Hb and CO2Hb concentration signals Spe- VMR bidimensional representation...

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... HP, Aaslid R: Transcranial color-coded duplex sonography, magnetic resonance angiography, and computed tomography angiography: methods, applications, advantages, and limitations J Clin Ultrasound ... Beer-Lambert law and absolute concentration changes are calculated by proprietary software (Hamamatsu Photonics) ICG was injected as bolus in the proximal port of the PAC at a dose of 0.1 mg·kg-1 and ... tension; PaO2, arterial partial oxygen pressure Near infrared spectroscopy The NIRO 300 (Hamamatsu Photonics, Herrsching, Germany) is a non-invasive monitor allowing for measurement of concentration...

Ngày tải lên: 12/08/2014, 23:21

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... a ratio of 60:40, delivered at a flow rate of mL/min The fluorescence was determined at 310 nm (emission) and 260 nm (excitation) The retention time of flurbiprofen was approximately 5.5 The concentrations...

Ngày tải lên: 27/06/2014, 09:20

Ngày tải lên: 26/03/2015, 08:55