1,365 research outputs found

    The answers are within me. An evaluation of a person centred counselling service for men at HMP Doncaster who have had experience of domestic violence 2005-2007

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    This report is the second year evaluation of the person centred counselling service for male victims and perpetrators of domestic violence at HMP Doncaster in 2006/7. This report follows on from the previous year's evaluation, Raging Anger Within Me, which evaluated this project in 2005/6. Initiated by the Doncaster Rape and Sexual Abuse Counselling Centre (DRSACC), the second year of counselling service delivery was also funded by Lloyds TSB and the Tudor Trust. The report provides a background to the service offered, details the key factors in the service's success and makes recommendations for the future sustainability of this innovative service. The report also contains a particularly interesting section detailing how the appropriateness of the service is perceived by experienced prison staff

    The distribution of cirripeds and gastropods on plain vertical rock surfaces in the upper intertidal and splash zones

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    This is a student paper done for a University of California Berkeley Zoology class. Since UCB didn't have its own marine lab at the time, it rented space at Hopkins Marine Station where this work was done. Cadet Hand earned his Ph.D. from Berkeley and went on to become Director of the Bodega Marine Laboratory. Donald Putnam Abbott also earned his Ph.D. from Berkeley and later became a Stanford professor at Hopkins Marine Station. (PDF contains 26 pages

    Dextran sulfate enhances the level of an oxidative DNA damage biomarker, 8-oxo-7,8-dihydro-2'-deoxyguanosine, in rat colonic mucosa.

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    International audienceDextran sodium sulfate (DSS) given in drinking water can induce colonic inflammation and produce colorectal tumors in rodents, although it is not directly genotoxic. The hypothesis that DSS can produce free radicals and induce oxidative DNA damage in colonic mucosa has been tested. In rats fed for 2 days with water containing 3% and 6% DSS, colonic inflammation manifestations were recorded and 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodGuo), a major biomarker of oxidative DNA damage, was assayed in colonic mucosa. As compared with control rats given pure water, inflammatory manifestations were seen in rats given DSS. At the same time, 8-oxodGuo levels in colonic mucosa were doubled (P < 0.001). These results suggest that formation of oxidative DNA damage in colonic mucosa depends on inflammation and maybe on the production of reactive oxygen species. This study shows that DSS can induce oxidative DNA damage within only 2 days, which could explain in part its carcinogenic properties

    Jachères naturelles et restauration des propriétés des sols en zone semi-aride. Cas du Sénégal

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    L'objectif des travaux est d'analyser, dans une zone sahélo-soudanienn e fortement peuplée du Sénégal, les effets de jachères naturelles, d'âge et de gestion différents, sur les caractéristiques physico-chimiques et biologiques des sols. Avec une protection totale contre le pâturage et l'exploitation du bois, 15 ans de jachère permettent d'accroître les teneurs en matière organique de 50 %. La porosité totale de l'horizon de surface est multipliée par deux, l'abondance des macro-agrégats s'accroît de 50 à 70 % et la biomasse microbienne totale de 30 %. Quinze années de jachère protégée ne provoquent pas une baisse de la densité globale d'infestation en nématodes phytoparasites, mais modifient la composition spécifique du peuplement. Les jachères anciennes soumises à une forte pression d'exploitation présentent les mêmes tendances, mais montrent des teneurs en matière organique du sol inférieures d'environ 20 % à celles de parcelles protégées. Sur les jachères jeunes (3 années), le temps de culture précédant l'abandon culturel n'a pas d'influence significative sur les paramètres mesurés. Même si elle était réalisable, la jachère naturelle de longue durée ne possède plus les potentialités nécessaires à la restauration de la fertilité du milieu. II faut s'orienter vers des pratiques de jachères améliorées ou de substitution, en introduisant des ligneux et des graminées pérennes à forte biomasse racinaire et à croissance rapide, qui ont un fort impact sur les caractéristiques biologiques et physiques des sols. (Résumé d'auteur
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