1 resultado para Abrasive disks
em Université de Lausanne, Switzerland
Filtro por publicador
- Abertay Research Collections - Abertay University’s repository (2)
- Academic Archive On-line (Karlstad University; Sweden) (1)
- AMS Tesi di Dottorato - Alm@DL - Università di Bologna (4)
- AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
- Aquatic Commons (5)
- ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (4)
- Archive of European Integration (7)
- Aston University Research Archive (19)
- Biblioteca de Teses e Dissertações da USP (7)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (27)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (17)
- Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (2)
- BORIS: Bern Open Repository and Information System - Berna - Suiça (41)
- Boston University Digital Common (4)
- Brock University, Canada (1)
- Bucknell University Digital Commons - Pensilvania - USA (3)
- CaltechTHESIS (9)
- Cambridge University Engineering Department Publications Database (63)
- CentAUR: Central Archive University of Reading - UK (6)
- Center for Jewish History Digital Collections (2)
- Chinese Academy of Sciences Institutional Repositories Grid Portal (47)
- Cochin University of Science & Technology (CUSAT), India (1)
- Coffee Science - Universidade Federal de Lavras (1)
- CORA - Cork Open Research Archive - University College Cork - Ireland (4)
- Dalarna University College Electronic Archive (5)
- Deakin Research Online - Australia (23)
- Department of Computer Science E-Repository - King's College London, Strand, London (1)
- Digital Commons - Michigan Tech (1)
- Digital Commons @ DU | University of Denver Research (1)
- Digital Commons @ Winthrop University (1)
- Digital Commons at Florida International University (6)
- DigitalCommons@The Texas Medical Center (1)
- DigitalCommons@University of Nebraska - Lincoln (1)
- Diposit Digital de la UB - Universidade de Barcelona (1)
- DRUM (Digital Repository at the University of Maryland) (1)
- Duke University (6)
- eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (3)
- Greenwich Academic Literature Archive - UK (1)
- Helda - Digital Repository of University of Helsinki (6)
- Illinois Digital Environment for Access to Learning and Scholarship Repository (1)
- Indian Institute of Science - Bangalore - Índia (79)
- Instituto Nacional de Saúde de Portugal (1)
- Instituto Politécnico de Bragança (1)
- Instituto Politécnico do Porto, Portugal (8)
- Lume - Repositório Digital da Universidade Federal do Rio Grande do Sul (1)
- National Center for Biotechnology Information - NCBI (3)
- Publishing Network for Geoscientific & Environmental Data (4)
- QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (46)
- Queensland University of Technology - ePrints Archive (37)
- RDBU - Repositório Digital da Biblioteca da Unisinos (1)
- Repositorio Académico de la Universidad Nacional de Costa Rica (1)
- Repositório Alice (Acesso Livre à Informação Científica da Embrapa / Repository Open Access to Scientific Information from Embrapa) (1)
- Repositório Científico do Instituto Politécnico de Lisboa - Portugal (1)
- Repositório Institucional da Universidade Estadual de São Paulo - UNESP (2)
- Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (344)
- Universidad de Alicante (5)
- Universidad Politécnica de Madrid (32)
- Universidade Complutense de Madrid (3)
- Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP) (2)
- Universidade Federal de Uberlândia (2)
- Universidade Federal do Pará (4)
- Universidade Federal do Rio Grande do Norte (UFRN) (17)
- Université de Lausanne, Switzerland (1)
- Université de Montréal (1)
- Université de Montréal, Canada (8)
- University of Michigan (7)
- University of Queensland eSpace - Australia (5)
Resumo:
A geogenic origin has been proposed in the aetiology of non-filarial elephantiasis of the feet and legs, recently renamed podoconiosis. Soil collected in an area of the Ethiopian Rift Valley, the borough of Ocholo, known for its high prevalence of podoconiosis (5.06%), has been submitted to mineral analysis. High values of sulphur (S), cerium (Ce), lanthanum (La) and neodymium (Nd), typical for basaltic bedrocks, were found. Of special interest were the values for zirconium (Zr) and beryllium (Be), 618 +/- 87 ppm and 4.6 +/- 0.5 ppm respectively, twice as high as those recorded for soils sampled in neighbouring areas where the prevalence of podoconiosis is low. To be noted also, a high content in vanadium, above 250 ppm, in half of the soil samples collected in this region. Year-long exposure of unprotected feet to Zr and Be, known for their ability to induce granuloma formation in the lymphoid tissue of man, and present in a clay rich in colloidal silica particle, highly abrasive to skin, is doubtlessly a factor involved in the development of lymph node sclerosis leading to elephantiasis.