79 research outputs found

    MAKING THE POLITICAL PERSONAL: INVESTIGATING THE RELATIONSHIP BETWEEN FEMINIST BELIEFS AND SEXUAL ASSERTIVENESS

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    The purpose of this study was to explore the relationship between identification with feminist beliefs and sexual assertiveness, by examining three potential mediators of that relationship: self-objectification, empowered entitlement, and self-silencing. Cross-sectional survey data were collected via online survey from 188 women. Results from correlational analyses indicated that active commitment to feminist beliefs was significantly related to lower levels of self-objectification and self-silencing and higher levels of empowered entitlement, but was not related to sexual assertiveness. Identification with nonfeminist beliefs (passive acceptance of sexism) was significantly related to higher levels of self-objectification and self-silencing and decreased empowered entitlement, as well as lower levels of sexual assertiveness. Baron and Kenny\u27s (1986) regression approach was used to explore potential mediators of the relationship between identification with nonfeminist beliefs and sexual assertiveness. In individual regression analyses, self-silencing fully mediated the relationship between identification with nonfeminist beliefs and sexual assertiveness. Regression analyses examining empowered entitlement as a mediator approached significance and analyses examining self-objectification as mediator were non-significant. An integrative analysis utilizing Preacher and Hayes\u27 (2008) method for evaluating indirect effects in multiple mediator models was used to further explore the impact of all three mediator variables and two covariates (age and education level) on the relationship between nonfeminist beliefs and sexual assertiveness. The overall model accounted for a significant portion of the variance in sexual assertiveness and the total indirect effect of nonfeminist beliefs on sexual assertiveness through the set of mediators was significant, whereas the direct effect of nonfeminist beliefs on sexual assertiveness was not significant, indicating that, after controlling for covariates, the set of three mediators together (self-objectification, empowered entitlement, and self-silencing) fully mediated the relationship between nonfeminist beliefs and sexual assertiveness. However, self-silencing appeared to contribute the only unique significant mediation in the model, accounting for approximately 84% of the total indirect effect. Unique indirect effects for self-objectification and empowered entitlement were not significant. Implications for understanding the relationship between identification with nonfeminist beliefs and sexual assertiveness and directions for future research are discussed

    OrChem - An open source chemistry search engine for Oracle®

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    <p>Abstract</p> <p>Background</p> <p>Registration, indexing and searching of chemical structures in relational databases is one of the core areas of cheminformatics. However, little detail has been published on the inner workings of search engines and their development has been mostly closed-source. We decided to develop an open source chemistry extension for Oracle, the de facto database platform in the commercial world.</p> <p>Results</p> <p>Here we present OrChem, an extension for the Oracle 11G database that adds registration and indexing of chemical structures to support fast substructure and similarity searching. The cheminformatics functionality is provided by the Chemistry Development Kit. OrChem provides similarity searching with response times in the order of seconds for databases with millions of compounds, depending on a given similarity cut-off. For substructure searching, it can make use of multiple processor cores on today's powerful database servers to provide fast response times in equally large data sets.</p> <p>Availability</p> <p>OrChem is free software and can be redistributed and/or modified under the terms of the GNU Lesser General Public License as published by the Free Software Foundation. All software is available via <url>http://orchem.sourceforge.net</url>.</p

    Graph theoretic methods for the analysis of structural relationships in biological macromolecules

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    Subgraph isomorphism and maximum common subgraph isomorphism algorithms from graph theory provide an effective and an efficient way of identifying structural relationships between biological macromolecules. They thus provide a natural complement to the pattern matching algorithms that are used in bioinformatics to identify sequence relationships. Examples are provided of the use of graph theory to analyze proteins for which three-dimensional crystallographic or NMR structures are available, focusing on the use of the Bron-Kerbosch clique detection algorithm to identify common folding motifs and of the Ullmann subgraph isomorphism algorithm to identify patterns of amino acid residues. Our methods are also applicable to other types of biological macromolecule, such as carbohydrate and nucleic acid structures

    A maximum common substructure-based algorithm for searching and predicting drug-like compounds

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    Motivation: The prediction of biologically active compounds is of great importance for high-throughput screening (HTS) approaches in drug discovery and chemical genomics. Many computational methods in this area focus on measuring the structural similarities between chemical structures. However, traditional similarity measures are often too rigid or consider only global similarities between structures. The maximum common substructure (MCS) approach provides a more promising and flexible alternative for predicting bioactive compounds

    Similarity Methods in Chemoinformatics

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    Business clusters in Mississippi\u27s forest products industry

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    A spatial analysis was used to examine location of Mississippi’s forest products manufacturers and identify potential forest business clusters. A Poisson regression was used to examine the impact of transportation infrastructure, labor and availability of raw materials on location of these manufacturers. Spatial analysis indicated that manufacturers tended to cluster and identified four potential forest business clusters. Regression analysis indicated that volume of harvested sawlogs had a positive impact on location of primary and secondary forest products manufacturers, whereas volume of harvested pulpwood had a positive impact on location of only secondary forest products manufacturers. Presence of four-lane interstate highways was associated with decreased location likelihood for secondary manufacturers, whereas railway presence increased location likelihood. Presence of primary manufacturers had a positive impact on location of secondary manufacturers, whereas labor force also had a positive impact on location of secondary forest product manufacturers
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