PubMed · 8657597
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A D Mercando. 1996. Desktop publishing software.. https://doi.org/10.1111/j.1540-8159.1996.tb03338.x
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This computer program was designed to be used instead of a stimulator and an oscilloscope in whole-cell voltage-clamp experiments. It runs on IBM XT-AT compatible computers under MS-DOS. The program uses drivers for specific ADC-DAC boards, which are stored in separate files. The driver to be used is loaded on start-up. Drivers for Labmaster TL-1 and CSY-10 are available and the driver for CED 1401 is now being developed. Stimulus waveforms of up to five consecutive pulses are supported. Data may be acquired from up to four input channels, using two ADC sampling rates. The acquired data are visualised on six plots which can be resized and moved independently on the screen in order to obtain a readable picture. A special mode for monitoring the giga-seal formation is supported. There are several data processing procedures, which can be used without interrupting the experiment, including I-V relationships, cursor measurements, addition and subtraction of obtained currents.
A teleradiology link based on standard personal computers and a flat-bed CCD scanner was tested. A 64 kbit/s dial-up digital ISDN telephone line was used for transmission. A total of 254 films (174 uncompressed, 80 compressed) were sent. Ninety-six per cent of the uncompressed images and 98% of the compressed images were considered technically acceptable. The total diagnostic agreement between the acceptable transmitted images and the original films was 98%. Image quality was sufficient for diagnosis in CT and conventional chest and bone radiographs. However, a 256-step gray scale of the scanner was not sufficient for demanding situations, such as overexposed images with a high contrast gradient. The average speed of transmission was 60 kbit/s, which was considered adequate. The tested system suggests that a teleradiology link based on standard personal computers and programs works in situations where instant consultation is needed. However, the image digitization time with the prototype system was quite long, and a better user interface is under development.
Consolidating personal computers (PCs) with nuclear medicine technology can create high computational power comparable with that produced by vendor-specific computer equipment, and at more affordable prices. The integration of a standard platform and operating system with a large installed base has enabled our department to maintain itself at the cutting edge of technology with minimal expense. Along with the savings from the purchase of PC software and hardware come the added advantage of rapid training of staff with minimal in-house effort, especially given the vast educational support in the general community. The integration of a standard platform and operating system with a large installed base has provided the nuclear medicine department with computational resources once unheard of because of economies of scale. The acceptance and integration of a pervasive, flexible technology into nuclear medicine have shown that state-of-the-art studies can be performed at low cost.