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PubMed1978

Friends of the library groups in health sciences libraries.

The Houston Academy of Medicine--Texas Medical Center (HAM--TMC) Library collected data on friends of the library groups from 103 health sciences libraries, using a mail questionnaire. Sixteen of the responding libraries had independent friends groups; seven had friends groups that were subordinate to a university group. The sixteen independent groups gave as their major purposes (1) to raise money for their associated library and (2) to develop support for their library. These groups contributed an average of $4,870 a year to their libraries, the money being used primarily to purchase rare books and working-collection books and to sponsor social events. The subordinate groups contributed relatively little money to the health sciences libraries responding to the survey.

Evaluation Studies as Topic↗
PubMed1991

Publishing, libraries and new technologies in Europe--today and tomorrow.

This paper addresses the challenges facing medical and health-care librarians from a European perspective. Drawing on his extensive knowledge of European affairs, the author emphasizes the historical roots of European cultural exchange and co-operation in the biomedical area. The impact of the new technologies and the unique opportunities offered by the CEC Plan of Action for promoting co-operation in Europe are discussed. In conclusion, the threat to our cultural heritage posed by acid paper is outlined and European librarians are urged to develop collective initiatives to meet the challenges facing us all.

Europe↗
PubMed1994

LIFENET/INTERNET and the health science librarian.

The Medical Library Center of New York, a cooperative library agency for the health sciences, developed a program to offer an electronic communications system (LIFENET) with access to the Internet for its members. Information on documentation and training as well as statistics on the subsequent use of the system and of the Internet are discussed in the article. Specific examples of how health science librarians are using the system include bibliographic verification, reference, research on integrated library systems, production of duplicate journal lists, and professional activities such as electronic mail and discussion groups (listservs).

Computer Communication Networks↗
PubMed2002

Selection of peptide ligands binding to the basolateral cell surface of proximal convoluted tubules.

BACKGROUND: Recently, we have reported a novel approach of screening phage-display peptide libraries on microdissected intact renal tubular segments and identified an RGD-containing peptide ligand that specifically binds to the basolateral membrane of cortical collecting ducts (CCD). However, screening phage libraries on proximal convoluted tubules (PCT) did not yield a tubule segment-specific ligand. Here, we describe the successful modification of our previously developed phage-display approach and the identification of two distinct ligands that bind specifically to receptors expressed at the basolateral membrane of PCT. METHODS: Ex vivo screening of phage-display peptide libraries for specific ligands was adapted for PCT. The previously developed method was significantly extended by applying it to a distinct tubular segment, varying the number of rounds of biopanning and incubating phage libraries with absorber cells prior to biopanning. Binding specificity and cellular localization of selected peptide-displaying phage or the corresponding synthetic peptide were analyzed using various epithelial cell lines as well as competition assays and confocal immunofluorescence microscopy. RESULTS: Screening phage-display peptide libraries, depleted of ligands binding to ubiquitously expressed receptors by preincubation with HEK-293 cells, led to the identification of two PCT-specific ligands. Phage expressing peptides with the consensus sequence GV(K/R)GX3(T/S) or RDXR mediated 15-fold and 13-fold higher binding to PCT than control phage, and binding to PCT was 13-fold and 21-fold higher than binding to CCD, respectively. Neither phage mediated significant binding to various epithelial cell lines, and binding of both ligands was abolished by the addition of the corresponding synthetic peptide. Immunofluorescence experiments revealed a submembrane localization of both ligands upon incubation with PCT. CONCLUSIONS: Exploiting the versatility of phage-display and biopanning allowed the identification of two distinct peptide ligands that bind specifically to the basolateral membrane of PCT. Tubule segment-specific ligands, such as the described PCT ligands, may be useful for the analysis of cell-extracellular matrix interactions and may contribute to the development of new therapeutic strategies for renal diseases.

Amino Acid Sequence↗
PubMed1999

Toward the gene catalogue of sea urchin development: the construction and analysis of an unfertilized egg cDNA library highly normalized by oligonucleotide fingerprinting.

We describe the use of oligonucleotide fingerprinting for the generation of a normalized cDNA library from unfertilized sea urchin eggs and report the preliminary analysis of this library, which resulted in the establishment of a partial gene catalogue of the sea urchin egg. In an analysis of 21,925 cDNA clones by hybridization with 217 oligonucleotide probes, we were able to identify 6291 clusters corresponding to different transcripts, ranging in size from 1 to 265 clones. This corresponds to an average 3.5-fold normalization of the starting library. The normalized library represents about one-third of all genes expressed in the sea urchin egg. To generate sequence information for the transcripts represented by the clusters, representative clones selected from 711 clusters were sequenced. The construction and preliminary analysis of the normalized library are the first steps in the assembly of an increasingly complete collection of maternal genes expressed in the sea urchin egg, which will provide a number of insights into the early development of this well-characterized model organism.

Animals↗
PubMed2001

Comparative evaluation of 5'-end-sequence quality of clones in CAP trapper and other full-length-cDNA libraries.

To enhance the usefulness of the laboratory mouse and to facilitate the rapid assay of gene functions we have been collecting the entire set of mouse full-length cDNA by one-pass sequencing. To collect full-length cDNA clones efficiently, it is critical to construct high-quality cDNA libraries. In recent years, we have been developing a way to construct full-length cDNA libraries by using biotinylation of the cap structure (the 'CAP-trapper' method) coupled with treatment to increase reverse transcriptase efficiency at high temperature by the addition of trehalose. In this paper we report our evaluation of the quality of CAP trapper and a number of other full-length cDNA libraries, including the results of 5' end analysis of clones in CAP trapper and the other libraries. We used a procedure that compared the 5'-ends of cDNA clones with those of genes in the public databases. Our analysis showed that 63% of cDNA clones in CAP trapper libraries had sequences that were either the same length as those of equivalent genes in the public database or 5'-extended, and that 90% of these clones maintained their coding sequences. These results indicate that the CAP trapper library is a promising tool for collecting full-length cDNA in large-scale projects. Comparison of the quality of CAP trapper with that of other full-length-cDNA libraries confirmed the value of these libraries.

Algorithms↗
PubMed1966

Mechanization in a new medical school library. II. Serials and circulation.

The serials and circulation phases of the data-processing system in use at the University of New Mexico Library of the Medical Sciences are described. The development of the programs is also reported. The serials program uses simple punched card equipment. The circulation program uses the IBM 357 Data Collection System and punched card data-processing equipment.

Electronic Data Processing↗
PubMed1993

How hyper are we? A look at hypermedia management in academic health sciences libraries.

Advances in instruction-delivery technology have a direct impact on academic media centers. New technology challenges librarians philosophically, financially, and ethically to provide access to information and instructional systems. Each institution has a unique set of circumstances governing decisions to provide access to hypermedia. If patron needs are met satisfactorily through labs outside the library, it may not be necessary for the library to incorporate hypermedia into its collection. Other library media centers may serve as a main point of access, or a substantial alternative computing resource may exist in departments or professional schools. Regardless of which route is taken, hypermedia is a viable instructional delivery system and can coexist with traditional services. Future studies on various aspects of hypermedia and multimedia management should be encouraged. Academic health sciences librarians would benefit from the study of hypermedia and multimedia collection-development policies, equipment, and personnel management. As computer networking of multimedia and image databases becomes available, it will be interesting to see the role academic health sciences libraries assume in integrating these data-bases with traditional information-delivery systems. Changing technology and instructional methods will affect budgets as well as library relationships with academic departments and computing centers.

Computer Communication Networks↗
PubMed2004

Guidelines for the management of squamous cell carcinoma in organ transplant recipients.

BACKGROUND: Solid-organ transplant recipients have a high incidence of cutaneous squamous cell carcinoma (SCC) and often develop multiple and aggressive tumors. There are few published studies or reviews, which provide guidance to the clinician in the treatment of these patients. OBJECTIVE: The objective was to develop useful clinical guidelines for the treatment of skin cancer in organ transplant recipients (OTRs). METHODS: The members of the Guidelines Committee of the International Transplant-Skin Cancer Collaborative (ITSCC) carried out a computerized search utilizing the databases of the National Library of Medicine for reports in the literature on SCC in OTRs. These reports were collectively examined by the group and combined with experiences from the members' clinical practices in the development of the guidelines. RESULTS: More than 300 articles relating to SCC in OTRs were reviewed. In general, reports concerning the prevention and treatment of SCC in OTRs are of individual cases or small case series. They are retrospective in nature, statistically nonrigorous, and lack the complete epidemiologic data necessary to derive definitive conclusions. Combining these studies and collective clinical experience, however, is at present the best available method for devising guidelines for the treatment of SCC in OTRs. CONCLUSION: Guidelines developed for the treatment of skin cancer in OTRs, supported by the best available data and collective clinical experience, may assist in the management of OTRs with SCC. The development of clinical pathways and complete documentation with rigorous prospective study is necessary to improve and refine future guideline development.

Carcinoma, Squamous Cell↗
PubMed2002

Yeast assays for G-protein-coupled receptors.

Yeast assays for G-protein-coupled receptors have many attractions due to their simplicity, low cost, and lack of endogenous receptors. Since the first report of functional coupling of the human beta 2 adrenergic receptor to the yeast pheromone-response pathway in 1990, the technology has developed to a point at which more than 30 heterologous GPCRs are now published to couple. Major breakthroughs have come from an understanding of receptor-G protein interactions, alongside advances in knowledge of the structure of heterotrimeric G proteins. Yeast screens have been used to identify ligands both from compound collections and through the autocrine expression of peptide libraries. Yeast genetics has also been applied to a functional analysis of GPCRs and peptide ligands. In this review we describe the historical development of yeast GPCR assay systems and their current applications.

Biochemistry↗
PubMed2001

Do you Mini-Med School? Leveraging library resources to improve Internet consumer health information literacy.

Popular for engaging public interest in medical science while promoting health awareness, Mini-Med School (MMS) programs also afford important if largely unrealized opportunities to improve the health information literacy of attendees. With a growing population using the Internet to make health decisions, needed venues for improving Internet Consumer Health Information (CHI) literacy may be found in the MMS platform. Surveyed directors of MMS programs understand the need to include CHI, and successful programs at SUNY Stony Brook and elsewhere demonstrate the potential for collaboration with affiliated health sciences libraries to integrate CHI instruction into MMS curricula.

Academic Medical Centers↗
PubMed1983

Quantitative reviewing: the literature review as scientific inquiry.

The literature review process is conceptualized as a form of scientific inquiry that involves methodological requirements and inferences similar to those employed in primary research. Five stages of quantitative reviewing that parallel stages in primary investigation are identified and briefly described. They include problem formation, data collection, data evaluation, analysis and interpretation, and reporting the results. The first two stages provide information and guidelines relevant to reviewers' employing traditional narrative procedures or conducting reviews of qualitative research literature. The final three stages relate specifically to the methodology of quantitative reviewing. The argument is made that quantitative reviewing procedures represent a paradigm shift that can assist researchers and clinicians in occupational therapy to establish a scientific data base that will serve to guide theory development and validate clinical practice.

Data Collection↗
PubMed1978

LATCH at the Washington Hospital Center, 1967-1975.

Immediate access to needed information is essential if medical personnel are to provide quality health care. At the Washington Hospital Center, Literature Attached to Charts, LATCH, was created in 1967 to provide the required information quickly. As a collection of a few relevant articles attached to the patient's chart, it supplies current literature on some aspect of the patient's illness. Following an account of the program's inception, an analysis of 1,935 LATCH requests for the years 1968--1975 reveals that new physicians, that is, interns and first-year residents, requested LATCHes most often. Requests in areas of internal medicine were the most common. The data also show that the program has been well received by its users. LATCH has affected the medical library in several ways. The program has been partially responsible for increases in staff, in the number of journal subscriptions, and in the number of literature searches requested. The program has also brought about greater access to the collection via the card catalog. An important effect has been the tremendous development of professional expertise in the staff preparing the LATCH.

Humans↗
PubMed2003

Toward a functional annotation of the human genome using artificial transcription factors.

We have developed a novel, high-throughput approach to collecting randomly perturbed gene-expression profiles from the human genome.A human 293 cell library that stably expresses randomly chosen zinc-finger transcription factors was constructed, and the expression profile of each cell line was obtained using cDNA microarray technology.Gene expression profiles from a total of 132 cell lines were collected and analyzed by (1) a simple clustering method based on expression-profile similarity, and (2) the shortest-path analysis method. These analyses identified a number of gene groups, and further investigation revealed that the genes that were grouped together had close biological relationships. The artificial transcription factor-based random genome perturbation method thus provides a novel functional genomic tool for annotation and classification of genes in the human genome and those of many other organisms.

Antigens, Neoplasm↗
PubMed2004

Neutron tomography developments and applications.

Neutron radiography has been in use as a nondestructive testing technique for the past 50 years. The neutrons' unique ability to image certain elements and isotopes that are either completely undetectable or poorly detected by other NDI methods makes neutron radiography an important tool for the NDI community. Neutron radiography like other imaging techniques takes a number of different forms (i.e., film, radioscopic, transfer methods, tomography, etc.) This paper will describe the neutron tomography system developed at the University of California, Davis McClellan Nuclear Radiation Center (UC Davis/MNRC), and the applications for both research and commercial uses. The neutron radiography system at the UC Davis/MNRC has been under development for 4 years. The initial system was developed to find very low concentrations of hydrogen (i.e., <200 ppm). In order to achieve these low detection levels, it was necessary to perform both pre- and post-processing of the tomographs. The pre-processing steps include corrections for spatial resolution and random noise effects. Images are corrected for systematic noise errors and beam hardening. From these data the attenuation coefficient is calculated. The post-processing steps include alignment of the collected images, determining the center of mass, and, finally, using the filtered back-projection routine from the Donner Algorithms Library to obtain the final images. Since its initial development, the tomography system has been used very successfully to find low levels of hydrogen in a metal matrix. Further uses of the system have been to verify the exact placement, in three dimensions, of "O-rings" in large metal valve bodies, and to map the location and extent of veins in porous and high-density rocks of various different kinds. These examples show that neutron tomography is becoming a needed inspection technique for the 21st century.

Journal Article↗
PubMed1986

Standards for academic visual science libraries. Association of Visual Science Librarians.

These standards are a revised and updated version of the Guidelines and Standards for Visual Science Libraries Serving Optometric Institutions, a paper first issued by the Association of Visual Science Librarians (AVSL) in 1976. Their purpose is to provide minimum standards as an aid to accreditation bodies and to institutions initiating library service. In this revision, the Standards and Guidelines have been separated physically so that current information can be updated more frequently and easily. The Standards are a qualitative statement about the minimum levels of staff, collections, and services that should be expected from visual science libraries; the Guidelines contain suggested lists of journals and other quantitative data subject to frequent change. The Guidelines are available separately from the AVSL.

Architecture↗
PubMed2004

Getting more from IR-microscopy of resin-bound libraries.

A linear pixel-array detector was employed to create spatially resolved multi-layered IR-images of a large collection of polymer beads supporting carbonyl and nitrile monomers. The feasibility of creating multi-layered IR-images with nitrile IR-band separation of 4 cm(-1) was demonstrated, an important issue when considering that many monomers used to develop combinatorial libraries are structurally analogous and therefore occupy very similar positions in the IR-spectrum. Strategies for obtaining high quality spectral data from both imaging and mapping IR-microscopes without compromising on sample area, analysis time, or spatial resolution are also described.

Combinatorial Chemistry Techniques↗
PubMed2002

[Acquisition of a large collection of medical theses defended in Paris from 1798 to 1860].

The Library of the Institute and Museum of the History of Science of Florence has recently enriched its special Collections with the acquisition of a set of medical theses, theses presented and defended in Paris between 1798 and 1860. This extraordinary collection, some 10,000 items, documents the development of the medical sciences in nineteenth century France and Europe.

Academic Dissertations as Topic↗