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Characterizing the performance of two optical particle counters (Grimm OPC1.108 and OPC1.109) under urban aerosol conditions
The performance of Grimm optical particle counters (OPC, models 1.108 and 1.109) was characterized under urban aerosol conditions. Number concentrations were well correlated. The different lowerExpand
The complete sequences and gene organisation of the mitochondrial genomes of the heterodont bivalves Acanthocardia tuberculata and Hiatella arctica – and the first record for a putative Atpase
The two mt-genomes reported here add to and underline the high variability of gene order and presence of duplications in bivalve and molluscan taxa and help resolve phylogenetic patterns at lower taxonomic levels. Expand
Molecular phylogeny of the Bivalvia inferred from 18S rDNA sequences with particular reference to the Pteriomorphia
A phylogenetic hypothesis is proposed showing Mytiloidea and Arcoidea as the basal pteriomorph groups, the latter giving rise to the clade uniting the pinnoid-ostreoid-pterioid and the anomioid-limoid-pectinoid lines. Expand
Heterogeneous Nucleation Experiments Bridging the Scale from Molecular Ion Clusters to Nanoparticles
A smooth transition in activation behavior as a function of size and activation to occur well before the onset of homogeneous nucleation is found. Expand
Involvement of Hox genes in shell morphogenesis in the encapsulated development of a top shell gastropod (Gibbula varia L.)
The results suggest that Hox genes are coopted to various functions in molluscs, which suggest that the molecular mechanisms underlying shell synthesis may consist of numerous conserved pattern-formation genes. Expand
Characterisation and localisation of the opsin protein repertoire in the brain and retinas of a spider and an onychophoran
The novel finding that opsins of both the ciliary and rhabdomeric type are present in the onychophoran and a spider suggests that these two types of opsins werePresent in the last common ancestor of the OnyChophora and Euarthropoda. Expand
Molecular phylogeny of Anomalodesmata (Mollusca: Bivalvia) inferred from 18S rRNA sequences
Tests of various alternative topologies showed that all are significantly longer but optimal likelihood trees with monophyletic carnivorous taxa and/or Thraciidae are not significantly less likely andPalaeontological data and homology decisions for selected characters are evaluated in the light of the molecular trees. Expand
The role of low-volatility organic compounds in initial particle growth in the atmosphere
It is shown that organic vapours alone can drive nucleation, and a particle growth model is presented that quantitatively reproduces the measurements and implements a parameterization of the first steps of growth in a global aerosol model that can change substantially in response to concentrations of atmospheric cloud concentration nuclei. Expand
Ion-induced nucleation of pure biogenic particles
Ion-induced nucleation of pure organic particles constitutes a potentially widespread source of aerosol particles in terrestrial environments with low sulfuric acid pollution. Expand
Catalog of species-group names of Recent and fossil Scaphopoda (Mollusca)
Ce catalogue contient les noms des taxons recents et fossiles du groupe-espece des mollusques de la classe des Scaphopoda de l'allocation generique originale et actuelle, la localite type and le lieu de depot du materiel type sont indiques autant que possible. Expand