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DICOM to print, 35-mm slides, web, and video projector: tutorial using Adobe Photoshop.

Preparing images for publication has dealt with film and the photographic process. With picture archiving and communications systems, many departments will no longer produce film. This will change how images are produced for publication. DICOM, the file format for radiographic images, has to be converted and then prepared for traditional publication, 35-mm slides, the newest techniques of video projection, and the World Wide Web. Tagged image file format is the common format for traditional print publication, whereas joint photographic expert group is the current file format for the World Wide Web. Each medium has specific requirements that can be met with a common image-editing program such as Adobe Photoshop (Adobe Systems, San Jose, CA). High-resolution images are required for print, a process that requires interpolation. However, the Internet requires images with a small file size for rapid transmission. The resolution of each output differs and the image resolution must be optimized to match the output of the publishing medium.

Humans↗

Developing and evaluating printed education materials: a prescriptive model for quality.

Nurses are frequently called upon to develop and evaluate printed education materials (PEMs) in their role as patient educators. This article describes the use of the Evaluating Printed Education Materials (EPEM) model as a prescriptive guide and quality standard for developing new PEMs or critiquing existing ones. Outlined in the five phases of the model are a series of nursing, learning, and instructional design principles that are intended to increase the relevance, readability, and comprehensibility of PEMs for the patients and families who use them. The patient-centered focus of the model makes it applicable across nursing specialty areas and care settings. Examples of how the model can be used in the care of orthopaedic patients are presented.

Humans↗

Histochemical Demonstration and Localization of H2O2 in Organs of Higher Plants by Tissue Printing on Nitrocellulose Paper.

A sensitive tissue-print assay for the detection and histological localization of H2O2 in freshly cut organ sections was developed by impregnating nitrocellulose paper with a mixture of Kl and soluble starch. H2O2 transferred from the cut surface of the section to the dried paper forms I2, which can be visualized by the intensely colored I2-starch complex. The detection limit of the assay is in the range of 0.1 to 0.2 mmol L-1 H2O2. Due to the rapid immobilization of H2O2 in the paper, very clear prints of the tissue distribution of H2O2 can be obtained with a spatial resolution on the level of single cells. The application of this rapid and simple assay is explored in five experimental examples demonstrating that the in vivo level of H2O2 varies strikingly in different tissues and can be regulated by developmental factors such as hormones, light, and wounding. The results show that: (a) In the hypocotyl of soybean (Glycine max L.) seedlings the apoplastic H2O2 level increases strongly from top to base, accompanied by characteristic changes in its histological distribution. (b) In the epicotyl of pea (Pisum sativum L.) seedlings the induction of lateral expansion by ethylene is correlated with a depletion of H2O2 in the cell walls of the expanding tissues. (c) In the hypocotyl of bean (Phaseolus vulgaris L.) seedlings H2O2 is primarily localized in a ring of parenchymatic tissue between xylem and cortex next to lignifying cells but not in the lignifying cells themselves. (d) In the hypocotyl of sunflower (Helianthus annuus L.) and cucumber (Cucumis sativus L.) seedlings the light-mediated inhibition of elongation growth is correlated with a strong increase in H2O2 in the epidermis and in the vascular bundles. (e) Potato (Solanum tuberosum L.) tubers show high levels of H2O2 only in the outer cell layers but are able to accumulate H2O2 in the inner tissue upon wounding.

Journal Article↗

Font adaptive word indexing of modern printed documents.

We propose an approach for the word-level indexing of modern printed documents which are difficult to recognize using current OCR engines. By means of word-level indexing, it is possible to retrieve the position of words in a document, enabling queries involving proximity of terms. Web search engines implement this kind of indexing, allowing users to retrieve Web pages on the basis of their textual content. Nowadays, digital libraries hold collections of digitized documents that can be retrieved either by browsing the document images or relying on appropriate metadata assembled by domain experts. Word indexing tools would therefore increase the access to these collections. The proposed system is designed to index homogeneous document collections by automatically adapting to different languages and font styles without relying on OCR engines for character recognition. The approach is based on three main ideas: the use of Self Organizing Maps (SOM) to perform unsupervised character clustering, the definition of one suitable vector-based word representation whose size depends on the word aspect-ratio, and the run-time alignment of the query word with indexed words to deal with broken and touching characters. The most appropriate applications are for processing modern printed documents (17th to 19th centuries) where current OCR engines are less accurate. Our experimental analysis addresses six data sets containing documents ranging from books of the 17th century to contemporary journals.

Abstracting and Indexing↗

Readability of printed educational materials used to inform potential and actual ostomates.

This paper is primarily concerned with the use of readability formulas to determine the reading ease of printed education materials (PEMs) given to ostomy patients. Whilst the particular clinical focus is stoma care nursing, the content is relevant to all nurses who use printed text to inform their patients. PEMs have significant advantages in conveying information compared with verbal presentations alone. Methods to calculate readability using the Flesch, FOG and SMOG readability formulas are described. Presentation factors that affect readability are briefly reviewed, including use of 'white space', font size and paper colour. The problem of functional illiteracy and the need for indirect assessment of patient literacy are discussed. PEMs in use are often found to be difficult to read. Stress is identified as a potential factor in further reducing a patient's ability to deal with information. Three commercially available PEMs are evaluated for ease of reading and their score on the FOG index indicates that only about 40% of the UK population would understand them. Nurses are advised to evaluate the readability of their PEMs and to assess indirectly the literacy of their patients, so that they can more sensitively match PEMs to patient ability and need.

Educational Status↗

Print material as a public health education tool.

Despite the widespread use of print materials in public health education, little is known about the costs and processes involved in developing these materials and their effectiveness in practice. We examined a sample of printed health education materials, using interviews and checklists. The most cost-effective processes for developing materials were not being used and the effectiveness of materials was rarely evaluated.

Cost-Benefit Analysis↗

Name-printing as a test of developmental maturity.

An attempt to derive a practical scoring technique for name-printing by children in kinderten (age-range 5 1/2 to 6 1/2 years) as a quick test of skills and maturity is reported. The relationship of the Print-Your-Name test scores to other established tools of developmental assessment is examined. Teachers' assessments of the study children's readiness for academic promotion and of those children with school problems tended to correlate with the test scores.

Canada↗

Burkholderia (Pseudomonas) cepacia epidemiology in a cystic fibrosis population: a genome finger-printing study.

In patients with cystic fibrosis, infection with Pseudomonas cepacia is associated with poor outcomes. However, the epidemiology of Burkholderia cepacia is still unclear. The aim of this study was to investigate the epidemiology of Burkholderia (Pseudomonas) cepacia colonization among cystic fibrosis patients attending the Verona CF Centre, a large specialized unit to which patients from different parts of Italy are admitted. We used a genome finger-printing system to analyse the nucleotidic structure of B. cepacia isolates from 60 colonized cystic fibrosis patients. Forty-two different finger-printing patterns were identified. Thirty-two patients were colonized by individual B. cepacia strains (53.3%). The remaining 28 subjects were divided into 10 different subgroups, each exhibiting a distinct strain of B. cepacia (46.7%). Nevertheless, direct, person-to-person transmission was evident in only 10 cases (16.7%). The stability up to 12 months, of the B. cepacia colonizing strain was documented in 36 individuals. Consistent with other reports, risk of B. cepacia transmission between cystic fibrosis patients through intimacy or nosocomial contact was found in our study. However, besides low contagiousness, our data suggest that the environmental reservoir of B. cepacia outside the hospital seems to play an important role in B. cepacia infection of our cystic fibrosis population.

Burkholderia Infections↗

Comparison of patients' needs for information on prostate surgery with printed materials provided by surgeons.

OBJECTIVES: To identify strengths, weaknesses, and omissions in existing leaflets and factsheets on prostatectomy given by surgeons to patients. DESIGN: Comparison of content of leaflets and factsheets with patients' needs and discontents in a questionnaire survey as part of the national prostatectomy audit. SETTING: All NHS and independent hospitals performing prostatectomy in four health regions. SUBJECTS: 87 surgeons, 53 of whom used printed material to inform patients about their operations; a total of 25 different factsheets being used. 5361 men undergoing prostatectomy were sent a closed response questionnaire about their treatment; 4226 men returned it completed. A random sample of 2000 patients was asked for further comments, of whom 807 supplied pertinent comments. MAIN MEASURES: Content of the 25 factsheets compared with patients' needs identified in the questionnaires. RESULTS: Much of the information distributed had considerable shortcomings: it lacked uniformity in form and content, topics of relevance to patients were omitted, terminology was often poor, and patients' experience was at variance with what their surgeons said. For example, only one factsheet discussed the potential consequences of malignancy. Patients wanted more information on prostate cancer (1250(29%)) and some thought that the explanation of biopsy results was inadequate (29(4%)). Only six factsheets discussed the possible changes in sexual sensation after transurethral resection of the prostate, stating that patients would feel no change. However, 1490(35%) patients reported a change and 500(12%) were worried about it. CONCLUSION: Current standards of printed information do not meet the needs and requirements of patients undergoing prostatectomy.

General Surgery↗

Receiver operating characteristic analysis of chest image interpretation with conventional, laser-printed, and high-resolution workstation images.

The differences among radiologists in interpreting conventional and digitized images obtained with different radiologic procedures is an important research issue in these times of implementation and growth of the digital modalities. The authors performed a multiobserver study to determine the performance of radiologists reading posteroanterior conventional radiographs, digitized radiographs laser printed onto film, and images displayed on a high-resolution workstation (video monitor). A total of 300 images were evaluated by seven radiologists who recorded their ordinal confidence rating of the presence or absence of one or more of the following abnormalities: interstitial disease, nodule, and pneumothorax. Receiver operating characteristic analysis showed statistically significant differences for the detection of different abnormalities by individual readers. The group as a whole showed a significant reduction in observer performance for the detection of interstitial disease and pneumothorax when the laser-printed radiographs or the workstation was used rather than conventional radiographs.

Computer Systems↗

Characteristic nucleolar-reticular immunofluorescence staining pattern on touch prints of hamster liver: a marker for Scl-70 antibody.

Sera from 48 patients with systemic sclerosis (SSc) and from 62 patients with other connective tissue diseases were studied for nuclear staining patterns by indirect immunofluorescence (IIF) using touch prints of hamster liver, HEp-2 and cryostat sections of monkey esophagus as substrates. Immunodiffusion studies performed in all cases disclosed Scl-70 antibody in 36 SSc patients. The IIF pattern of Scl-70 antibody is characterized by diffuse granular and nucleolar staining on HEp-2, a combined nucleolar and diffuse reticular staining on imprints of hamster liver and large speckled (nucleolar) fluorescence on cryostat sections of monkey esophagus. Touch prints of hamster liver revealed a partially nucleolar fluorescence as a dominant sign of the combined staining. Hamster liver substrate which is easily available might replace the expensive HEp-2 cells for detecting Scl-70 antibody.

Animals↗

Printing patterns of biospecifically-adsorbed protein.

The advancement of elastomeric patterning techniques in recent years has significantly enhanced our ability to spatially control biomaterial surface chemistry at the micrometre level. The application of this technology to the patterning of biomolecules onto solid surfaces has created many potential applications including the development of advanced biosensors, combinatorial library screening and the formation of tissue engineering templates. In this paper, we describe the direct patterning of protein by microcontact printing. An important consideration for the fabrication of protein micropatterns intended for these applications is the nature of the protein immobilization to a substrate. To date, the patterning of proteins by direct microcontact printing (microCP) has relied on the non-covalent adsorption to a substrate. Ideally, the proteins need to be firmly anchored onto a surface without adversely effecting their activity. Here, the high affinity avidin-biotin receptor-ligand interaction has been exploited to form arrays of avidin molecules onto a polymeric substrate expressing biotin moieties. This has created a generic technique by which any biotinylated species can be subsequently immobilized into defined patterns. Utilizing atomic force microscopy (AFM), the patterned surfaces have been characterized to molecular resolution. The micropatterned sample supported cell adhesion when biotin-(G)11-GRGDS was bound to the avidin bearing arrays.

3T3 Cells↗

Endothelial MHC expression is required to initiate T cell-mediated rejection of 3D-printed skin grafts.

Vascularized skins were 3D printed using single donor human fibroblasts, pericytes, keratinocytes, and endothelial cells (ECs), the latter either unmodified (WT-ECs) or deleted of MHC molecules (KO-ECs). Adult MISTRG6 immunodeficient mice neonatally inoculated with adult human hematopoietic stem cells (HSCs) received printed skin allogeneic to the HSCs and were boosted 3 weeks after grafting with human PBMCs autologous to the HSCs. HSC inoculation alone produced low levels of circulating human myeloid and lymphoid cells without affecting grafts; PBMC boosting dramatically increased circulating human CD4+ T cells and boosted CD8+ T cells only in mice with WT-EC grafts. These grafts became infiltrated by human macrophages, dendritic cells, CD4+ and CD8+ T cells and showed evidence of rejection. Shared T cell clones were present in skin and spleen. KO-EC grafts had minimal infiltration of graft or spleen without rejection, despite MHC molecule expression on other graft cell types.

Animals↗

Letter knowledge, phonological processing, and print knowledge: skill development in nonreading preschool children.

Development of reading skills was examined in 4-year-old children from low-income homes attending a prekindergarten program. Fall to spring gains in letter identification were examined and compared with skills in phonological processing, rhyme detection, and environmental print, and with performance on a screening tool (Get Ready to Read). It was anticipated that participants might show slow skill development. However, the identification of a large group of children (n = 30) who made little or no gains in letter identification compared to their classmates (n = 27), whose gains averaged 7 letters, was not anticipated. Fall to spring gains in letter identification correlated with phonological processing, rhyme detection, environmental print, and Get Ready to Read! scores. Age and general cognitive skills influenced performance on some tasks. More knowledge of the characteristics of children who show the most variations in skill development may lead to insights on using classroom curriculum to focus on skill development.

Awareness↗

Factors influencing diabetic clients' ability to read and comprehend printed diabetic diet material.

Factors related to diabetic clients' abilities to read and comprehend printed diabetic diet material were explored by collecting data on social and demographic variables, prior knowledge, reading ability (using the Nelson-Denny Test), and comprehension of the diet (using the cloze technique) from 58 outpatient diabetic clients. A mean estimated reading grade level of 8.9 was obtained for the printed material, based on the use of three readability formulas. Analysis of cloze scores revealed that 62% of the clients scored less than 40%, indicating that the material was too difficult for them to comprehend; 21% scored between 40% and 59%, suggesting the need for supplemental instruction; and 17% scored 60% or above, indicating ability to fully comprehend. Clients scoring less than 40% tended to be older and obtained lower scores on the Nelson-Denny, as compared with those in the highest cloze category. Results of a stepwise regression analysis indicated that the Nelson-Denny vocabulary score, client age, and duration of diabetes were the strongest predictor variables for comprehension of the diet material.

Adolescent↗

The case of the missing person: Alzheimer's disease in mass print magazines 1991-2001.

Alzheimer's disease is growing in incidence and prevalence in the developed world. Rates have been increasing as populations have been aging. There are still many unknowns regarding prevention, causes, and treatments. The purpose of this article is to analyze the portrayal of Alzheimer's in the highest-circulation mass print English-language magazines published in the United States and Canada over a period of a decade, specifically those for 1991, 1996, and 2001. This research investigates the portrayal of persons with Alzheimer's, the disease itself, caregivers and experts, and the dominant frames or discourses within which Alzheimer's is described. Twenty-five articles from the highest-circulation mass print magazines available in Canada were studied through qualitative and inductive research of both manifest and latent content. One of the most notable findings is the absence of the person with the disease as a person with a voice, with needs and desires. When the disease itself is described it is characterized as fearsome, relentless, and aggressive. Both the unquestioned duty of the individual caregiver and his or her (usually the caregiver is a woman) suffering are emphasized. The disease, its diagnosis, and potential treatments are framed almost exclusively within a medical rather than a political-economy or lifestyle frame. Minimal attention is paid to prevention, early stages of the disease, social support, options for care, or other alternative understandings of issues related to Alzheimer's. The theoretical and practical significance of these findings is considered.

Alzheimer Disease↗

The news on health care funding: a study of reporting in the Australian print media for 1996.

OBJECTIVES: To review the coverage of health care funding and resourcing issues in the quality printed media in Australia. METHODS: Content analysis of all articles in six major print publications with detailed commentary on four major issues. RESULTS: One thousand one hundred and fifty articles were published over 12 months, most in the front three pages. Coverage of many issues was prompted by an event, such as an election, government budget or policy announcement. Although issues were rarely personalized, the use of an individual authoritative spokesperson was, with some individuals becoming well recognised as experts. In general, these experts represented vested interest or lobby groups. The media discussion rarely dealt with the system as a whole, and generally approached a topic or issue in isolation from its inter-relationships with other issues. CONCLUSION: Health care funding stories are newsworthy but more for their political interest than as reflection of a social debate about values. Media reports rarely deal with the complexity of health policy issues, or challenge the assumptions and positions put forward.

Australia↗