Jon was born on April 7, 1926 in Scheveningen, a town situated on the coast of the Netherlands. At the end of the Second World War, he began his medical studies at Leiden University. After finishing these, Jon was active as a ‘house doctor’, and visited many of his patients in the country areas. He considered this as one of the best medical learning experiences of his early career, as he was co...

Molecular microbial ecology studies have revealed remarkable prokaryotic diversity in extreme hydrothermal marine environments. There are no comparable reports of culture-independent surveys of eukaryotic life in warm, anoxic marine sediments. By using sequence comparisons of PCR-amplified small subunit ribosomal RNAs, we characterized eukaryotic diversity in hydrothermal vent environments of G...

In this study, we estimate life history parameters and abundance for a protected jaguar population using camera-trap data from a 14-year monitoring program (2002-2015) in Belize, Central America. We investigated the dynamics of this jaguar population using 3,075 detection events of 105 individual adult jaguars. Using robust design open population models, we estimated apparent survival and tempo...

There are 22 species of Hamacantha registered from all over the world, and frequently from deep-waters, only two of which had previously been reported from the SW Atlantic. Here we describe a third species for this area, Hamacantha (H.) boomerang sp. nov., collected from deep-sea coral mounds at Campos Basin (off Rio de Janeiro state). We found oxeas 271-630 µm long, diancistras in three size c...

Published 27 January 2015 Citation Chen J, Rood JI, McClane BA. 2015. Correction for Chen et al., Epsilon-toxin production by Clostridium perfringens type D strain CN3718 is dependent upon the agr operon but not the VirS/VirR two-component regulatory system. mBio 6(1):e02491-14. doi:10.1128/mBio.02491-14. Copyright © 2015 Chen et al. This is an open-access article distributed under the terms of...

The goal of this research is recognition of species of pollution and a rough estimate of rate of transmitted pollution through northern Iran rivers to Caspian sea. Sampling from 3stations up-river, mid-river, and down-river in Lavij rood, Gland rood, and Sabze rood in a 6 month period from 2008/5/22 to 2008/11/22 coincides with warm, low rain, cold and rainy seasons and parameters as temperatur...

This paper is a review of the block matching algorithms used for motion estimation in video compression. It implements and compares several different types of block matching algorithms that ranges from the very basic Exhaustive Search to the recent fast adaptive algorithms like Adaptive Rood pattern Search Algorithm. The algorithms that are evaluated in this paper are widely accepted by the vid...

Palmar supracondylar lysis of the third metacarpus, enthesophytes on the proximal sesamoid bones, proximal dorsal P1 fragments in the hind fetlocks, and dorsal medial intercarpal joint disease in Thoroughbred yearlings are associated with decreased likelihood of starting at least one race during the 2or 3-year-old years. Authors’ addresses: Equine Orthopaedic Research Laboratory, College of Vet...

We propose a fast motion estimation (FME) algorithm that performs comparably to the full search while having improved performance when compared to the best FME methods that are recommended for the JVT/H.264 standard despite having a much lower computational complexity than these methods. Our algorithm, called the predictive and adaptive rood pattern with large motion search, incorporates motion...