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Results for “Copying Processes”

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At least 271 records · Page 15Linked to original sources
PubMed1995

Copyright law and academic radiology: rights of authors and copyright owners and reproduction of information.

Desktop computer hardware and software provide many new and accessible avenues for increased academic productivity, but some activities may have legal implications. The advent of technologies such as scanners, the ever-increasing number of electronic bulletin boards, and the development of the "information superhighway" affect the concept of copyright and require authors and publishers to reconsider their legal rights and obligations when they create or publish new works or modify existing ones. For example, with desktop scanners, almost any image, published or otherwise, can be copied, enhanced, and manipulated. Moreover, many radiologists have access to copyrighted digital radiologic teaching file images, such as those from the University of Iowa or the University of Washington, which are available (and "downloadable") on the Internet. Because "downloading" (or "uploading") a document or image is essentially making a copy of that document or image, copyright laws and the rights that they afford authors are involved.

Academic Medical Centers↗
PubMed1997

Cost-effective poster and print production with digital camera and computer technology.

OBJECTIVE: The purpose of this report is to describe a cost-effective method for producing black-and-white prints and color posters within a radiology department. CONCLUSION: Using a high-resolution digital camera, personal computer, and color printer, the average cost of a 5 x 7 inch (12.5 x 17.5 cm) black-and-white print may be reduced from $8.50 to $1 each in our institution. The average cost for a color print (8.5 x 14 inch [21.3 x 35 cm]) varies from $2 to $3 per sheet depending on the selection of ribbons for a color-capable laser printer and the paper used. For a 30-panel, 4 x 8 foot (1.2 x 2.4 m) standard-sized poster, the cost for materials and construction is approximately $100.

Copying Processes↗
PubMed2002

Negative effect of photocopier toner on alveolar macrophages determined by in vitro magnetometric evaluation.

Photocopier toner has been implicated in the etiology of some pulmonary diseases. We examined here the in vitro toxicity of toner particles to alveolar macrophages. Cell magnetometry revealed that relaxation was not delayed in macrophages exposed to toner, which represents a rapid decrease in the remaining magnetism emitted by phagocytosed magnetite. However, relaxation was delayed in macrophages exposed to silica (positive controls). The release of intracellular LDH enzyme activity to the extracellular space was negligible in cells exposed to toner compared with negative and positive controls. Morphological examinations by light and electron microscopy revealed no abnormal findings in the exposed cells. A histochemical study using TUNEL staining and the electrophoretic profile of DNA obtained from cells exposed to toner and to silica were negative for apoptosis. The results of the present and other investigations into animal exposure indicate that photocopier toner is toxicologically inert. However, although the present study examined only effects in vitro, exposure to toner should be minimized because lung overloading in animals has been reported.

Air Pollution, Indoor↗
PubMed1992

User's review of the Canon Colour Copier.

The ability to link the new Canon Colour Laser Copier to a computer opens up new boundaries of data manipulation. A report from the user's point of view, describes a system comprising the copier with computer input, slide scanner and flat copy capacity. Information is given on the types of materials produced, the types of users, the cost of purchase and maintenance, and the potential for generating profit.

Computer Peripherals↗
PubMedDate not supplied

The prohibitive costs of accessing evidence online.

Delivering continuing education online involves making published materials available to learners. As part of a study that examined the use of the Internet for dissemination of information, permission to provide resources online was sought from 43 publishers, of whom 36 responded. Four (11.1%) denied permission to copy their materials. Seven (19.4%) granted permission to copy articles at no cost. The remaining 25 (69.4%) granted permission for a fee, ranging from dollar 2 to dollar 410 per article. These findings highlight a need for more accessible and cost-effective online resources to meet the challenges of evidence-based programs and practice in public health.

Computer-Assisted Instruction↗