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descDate Name Thumbnail Size Description
04:17, 15 February 2009 Logarithm of bzero.gif (file) 22 KB Counts for the two plasma samples are fit to a straight line which is back-extrapolated to the time of injection to determine b0. The plasma clearance of <sub>51</sub>Cr-EDTA predicted using the three compartment model discussed earlier is shown shaded. G
03:27, 6 November 2008 TcScatterWindow.gif (file) 11 KB Gamma ray energy spectrum for <sup>99m</sup>Tc, with energy discrimination settings of 92-126 keV for scatter estimation (blue) and of 126-154 keV, centred on 140 keV, for the photopeak (red).
00:26, 5 November 2008 TcScatterSpectrum.gif (file) 11 KB Actual gamma ray energy spectrum for 99mTc (green) with estimates of the scatter (blue) and primary (red) components. Adapted by Kieran Maher using OmniGraffle from figure 2 in Zaidi H & Koral KF. Scatter modelling and compensation in emission tomography
05:30, 30 October 2008 SimpleGammaCamera.gif (file) 24 KB Essential elements of a gamma camera. Generated by Kieran Maher using OmniGraffle. ~~~~
02:03, 24 September 2007 NM13 11.jpg (file) 27 KB Basic PACS. Adapted with permission from Heggie, Liddell & Maher (2001), Applied Imaging Technology <http://homepage.mac.com/kieranmaher/ait/>.
00:25, 21 November 2006 NM6 11.gif (file) 24 KB Ionizations and excitations along particle tracks in water, for a 5.4 MeV α-particle (top left), for electrons generated following the absorption of a 1.5 keV X-ray photon (top right) and electrons generated during the decay of iodine-125. Adapted by Ki
13:54, 16 November 2006 Qdr4000.jpg (file) 12 KB DEXA scanning apparatus with an under-couch XRT and a pencil-beam detector. Generated by Kieran Maher using Graphic Converter. ~~~~
01:36, 15 November 2006 CfImagingSystem.gif (file) 20 KB Simplified block diagram of a colour-flow sonography imaging system. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
01:07, 15 November 2006 CfCPimage.jpg (file) 17 KB Colour-flow and colour-power ultrasound images. Generated by Kieran Maher using ImageJ. ~~~~
00:01, 15 November 2006 DopplerBloodFlowDiag.gif (file) 19 KB Sonography: Illustration of detecting blood flow using the Doppler effect. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
23:58, 14 November 2006 TrainDoppler.gif (file) 35 KB Illustration of the Doppler effect using a train whistling example. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
14:50, 14 November 2006 UsDIP.gif (file) 22 KB Simplified block diagram of the scan converter of an ultrasound B-mode scanner. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
14:43, 14 November 2006 MechanicalTransducers.gif (file) 30 KB Illustration of two designs of mechanical transducer. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
14:06, 14 November 2006 PhasedArray.gif (file) 17 KB Illustration of a phased array transducer. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
13:18, 14 November 2006 LinearArray.gif (file) 38 KB Illustration of a linear array transducer interrogating different lines of tissue. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
13:03, 14 November 2006 BModeScanner.gif (file) 43 KB Simplified block diagram of a B-mode ultrasound scanner which uses a linear array transducer. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
12:11, 14 November 2006 Interaction.gif (file) 24 KB Ultrasound attenuation processes at a tissue interface. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
06:36, 14 November 2006 PulseEchoPrinciple.gif (file) 30 KB Illustration of the pulse-echo principle. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
05:02, 14 November 2006 TuningFork.gif (file) 17 KB Illustration of an vibrating tuning fork producing a sequence of compressions and rarefactions in the surrounding air. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
04:42, 13 November 2006 CompRad3.jpg (file) 8 KB Illustration of the excellent linearity and dynamic range of computed radiography (black line), a property not shared by film-screen (red curve). Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait
04:28, 13 November 2006 CompRad2.jpg (file) 19 KB Illustration of the readout process involved in generating a computed radiography image. Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait/ Applied Imaging Technology] by Heggie, Liddell & Maher
04:22, 13 November 2006 CompRad1.jpg (file) 32 KB Illustration of the exposure, read-out and erasure stages involved in generating a computed radiography image. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
03:45, 13 November 2006 FlatPanel2 3.jpg (file) 16 KB Cross-sectional view of an direct flat panel image receptor showing three pixels mounted on a glass substrate. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
03:36, 13 November 2006 FlatPanel2 2.jpg (file) 17 KB Cross-sectional view of an indirect flat panel image receptor showing three pixels mounted on a glass substrate. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
03:21, 13 November 2006 FlatPanel1.jpg (file) 70 KB Illustrations of an active matrix array and its associated electronic circuitry housed inside the image receptor (left panel) and connected to a digital image processor and image display device, and of a 3 x 3 pixel section of an active matrix array (righ
01:19, 13 November 2006 MacBoneTissue.jpg (file) 19 KB Mass attenuation coeeficients of soft tissue and cortical bone - energy dependence. Adapted by Kieran Maher from [http://www.icru.org/ ICRU] report 46 using Graphic Converter and Excel. ~~~~
02:07, 12 November 2006 DexaScannerDiagram.gif (file) 59 KB Diagram of a DEXA system. Generated by Kieran Maher using OmniGraffle. ~~~~
07:46, 11 November 2006 H2oSpin.gif (file) 1.3 MB Animated gif of the water molecule represented using VMD. Generated by Kieran Maher using ImageJ. ~~~~
23:55, 10 November 2006 SliceThickness.jpg (file) 28 KB Effect of gradient field (left) and bandwidth (right) on slice thickness. Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait/ Applied Imaging Technology] by Heggie, Liddell & Maher (2000). ~~~~
06:29, 10 November 2006 PianoKeys.jpg (file) 34 KB A grand piano with an overlaying keyboard and scales. Adapted from W:519px-Piano.jpg and W:800px-Scales_and_keyboard.png by Kieran Maher using OmniGraffle. ~~~~
02:57, 10 November 2006 Tomo2.jpg (file) 28 KB Illustration of the application of a transverse gradient during the RF emission phase. Generated by Kieran Maher using OmniGraffle. ~~~~
13:36, 9 November 2006 ZGradient.jpg (file) 23 KB Illustration of the application of a z-gradient for spatial localization in MRI. Generated by Kieran Maher using OmniGraffle. ~~~~
08:09, 9 November 2006 Excitation3 1.jpg (file) 7 KB RF excitation in MRI: establishment of transverse magnetization. Generated by Kieran Maher using OmniGraffle. ~~~~
08:05, 9 November 2006 Excitation2 1.jpg (file) 6 KB RF excitation in MRI: reduction in longitudinal magnetization. Generated by Kieran Maher using OmniGraffle. ~~~~
08:03, 9 November 2006 Excitation1 1.jpg (file) 7 KB RF excitation in MRI. Generated by Kieran Maher using OmniGraffle. ~~~~
07:16, 9 November 2006 InvRecov9.jpg (file) 26 KB Invversion recovery pulse sequence (left) and the dependence of M<sub>z</sub> on the interval time, TI. Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait/ Applied Imaging Technology] by Heggie,
07:10, 9 November 2006 InvRecov8.jpg (file) 4 KB Inversion recovery: 90 degree RF pulse. Generated by Kieran Maher using OmniGraffle. ~~~~
07:03, 9 November 2006 InvRecov6 1.jpg (file) 9 KB Recovery of Mz following a 180o RF pulse in cases where T1 is long (left panel) and short (right panel). Generated by Kieran Maher using OmniGraffle. ~~~~
04:22, 9 November 2006 InvRecov3.jpg (file) 15 KB Illustration of the application of a 180<sup>o</sup> RF pulse in NMR. Generated by Kieran Maher using OmniGraffle. ~~~~
01:09, 9 November 2006 TransRelaxCurve.gif (file) 34 KB A T2* curve. Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait/ Applied Imaging Technology] by Heggie, Liddell & Maher (2000).
00:39, 9 November 2006 LongRelaxCurve.gif (file) 34 KB A T1 curve. Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait/ Applied Imaging Technology] by Heggie, Liddell & Maher (2000).
23:53, 8 November 2006 LongRelax.jpg (file) 27 KB Illustration of longitudinal relaxation. Generated by Kieran Maher using OmniGraffle. ~~~~
23:52, 8 November 2006 TransRelax.jpg (file) 26 KB Illustration of transverse relaxation. Generated by Kieran Maher using OmniGraffle. ~~~~
23:16, 8 November 2006 MriProcess.gif (file) 3 KB Flow diagram for the magnetic resonance imaging process. Generated by Kieran Maher using Aldus SuperPaint. ~~~~
14:06, 8 November 2006 MagSumVector3 1.jpg (file) 5 KB Magnetic sum vector, diagram #2. Generated by Kieran Maher using OmniGraffle. ~~~~
14:05, 8 November 2006 MagSumVector12.jpg (file) 13 KB Magnetic sum vector, diagram #1. Generated by Kieran Maher using OmniGraffle. ~~~~
13:32, 8 November 2006 Fid.gif (file) 2 KB Illustration of a free induction decay. Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait/ Applied Imaging Technology] by Heggie, Liddell & Maher (2000).
11:21, 8 November 2006 ParaAntiPara.gif (file) 4 KB Alignment of protons in a magnetic field. Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait/ Applied Imaging Technology] by Heggie, Liddell & Maher (2000).
11:12, 8 November 2006 SpinningProtonMagnet.gif (file) 5 KB A spinning proton generates a magnetic field similar to that of a bar magnet. Adapted with permission by Kieran Maher using Graphic Converter from [http://homepage.mac.com/kieranmaher/ait/ Applied Imaging Technology] by Heggie, Liddell & Maher (2000).
09:58, 8 November 2006 MriScanner.gif (file) 7 KB Principal components of an magnetic resonance imaging system. Generated by Kieran Maher using Aldus SuperPaint. ~~~~

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