نتایج جستجو برای: erosive processes

تعداد نتایج: 532140  

Journal: :Physical review letters 2006
Carmelo Ferlito Jens Siewert

We report the direct observation of a peculiar lava channel that was formed near the base of a parasitic cone during the 2001 eruption on Mount Etna. Erosive processes by flowing lava are commonly attributed to thermal erosion. However, field evidence strongly suggests that models of thermal erosion cannot explain the formation of this channel. Here, we put forward the idea that the essential e...

2016
Karen I. Maijer Natasja Stæhr Gudmann Morten Asser Karsdal Daniëlle M. Gerlag Paul Peter Tak Anne Christine Bay-Jensen

OBJECTIVE Tissue destruction in rheumatoid arthritis (RA) is predominantly mediated by matrix metalloproteinases (MMPs), thereby generating protein fragments. Previous studies have revealed that these fragments include MMP-mediated collagen type I, II, and III degradation, citrullinated and MMP-degraded vimentin and MMP degraded C-reactive protein. We evaluated if biomarkers measuring serum lev...

2017
Marco Colombo Maria Mirando Davide Rattalino Riccardo Beltrami Marco Chiesa Claudio Poggio

BACKGROUND The aim of the present in vitro study was to evaluate the protective effects of a zinc-hydroxyapatite toothpaste on repairing enamel erosion produced by a soft drink (Coca-Cola) compared to toothpastes with and without fluoride using Scanning Electron Microscopy (SEM). MATERIAL AND METHODS Fifty specimens were assigned to 5 groups of 10 specimens each. (Group 1: no erosive challeng...

2009
PAOLA NARDUCCI RENATO BAREGGI VANESSA NICOLIN

Volume 36, no. 8 Enhancement of the Erosive Processes Induced by Human Synovial Cells Apoptosis-Inducing Ligand and Osteoprotegerin Could Contribute to Interaction of Human Recombinant Tumor Necrosis Factor-Related PAOLA NARDUCCI, RENATO BAREGGI and VANESSA NICOLIN http://www.jrheum.org/content/36/8/1837 J Rheumatol 2009;36;1837-1839 http://www.jrheum.org/alerts 1. Sign up for TOCs and other a...

Journal: :Annals of the rheumatic diseases 2003
R Queiro-Silva J C Torre-Alonso T Tinturé-Eguren I López-Lagunas

OBJECTIVES To analyse the factors predicting erosive-deforming arthropathy in patients with psoriatic arthritis (PsA). METHODS A prospective cohort study was undertaken with 71 patients diagnosed as having PsA (44 men and 27 women, mean age 47 (SD 12) years). At the recruitment period patients had disease without evidence of radiological damage. Patients were studied and followed up according...

2008
Pierre Francus Raymond S. Bradley Joseph S. Stoner

This paper synthesizes data collected to document the modern limnological and sedimentary processes in South Sawtooth Lake located on northern Ellesmere Island, Nunavut, Canada. Field observations show that the finely laminated sediments deposited in the distal basin are formed by the settling of overflows and interflows, and in rare occasions, by non-erosive hyperconcentrated density flows. Th...

Journal: :Annals of the rheumatic diseases 1989
I J Duncan N P Hurst A Disney R Sebben S C Milazzo

Erosive osteoarthritis of the hands of unusually early onset and severity was seen in two patients treated for chronic renal failure by long term haemodialysis and renal homograft respectively. The significance of this observation is discussed in the light of previous studies of erosive arthropathy in patients with chronic renal failure. Factors associated with chronic renal failure may predisp...

Journal: :International Journal of Advanced Engineering Research and Science 2019

Journal: :Arthritis Research & Therapy 2007
Georg Schett

Inflammation and degradation of bone are two closely linked processes. Chronic inflammatory arthritis not only leads to inflammatory bone loss but it also involves local erosion of articular bone. This osteo-destructive feature of chronic inflammatory arthritis is a major cause of disability in patients with rheumatoid arthritis. Osteoclasts are essential for the resorption of mineralized carti...

Journal: :Annals of the rheumatic diseases 1980
C Courtois G H Fallet T L Vischer P Wettstein

Seven patients with chronic dorsolumbar pain, stiffness and some restriction of spinal movements are described. Multiple lesions of the vertebral bodies were present. The lesions occurred at various levels and all had similar radiological characteristics, often returning to normal after several years. Vertebral changes of this type may be seen in patients with ankylosing spondylitis but for a v...

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