70 Works
Streptorubin
Henry Rzepa
The calculated optical rotatory dispersion for one atropisomer of (S)-Streptorubin
Data from: Plant-soil feedbacks from 30-year family-specific soil cultures: phylogeny, soil chemistry and plant life stage
Zia Mehrabi, Owen T. Lewis & Thomas Bell
Intraspecific negative feedback effects, where performance is reduced on soils conditioned by conspecifics, are widely documented in plant communities. However, interspecific feedbacks are less well studied, and their direction, strength, causes, and consequences are poorly understood. If more closely related species share pathogens, or have similar soil resource requirements, plants may perform better on soils conditioned by more distant phylogenetic relatives. There have been few empirical tests of this prediction across plant life stages, and...
Data from: Multicellular group formation in response to predators in the alga Chlorella vulgaris
Roberta M. Fisher, Tom Bell & Stuart A. West
A key step in the evolution of multicellular organisms is the formation of cooperative multicellular groups. It has been suggested that predation pressure may promote multicellular group formation in some algae and bacteria, with cells forming groups to lower their chance of being eaten. We use the green alga Chlorella vulgaris and the protist Tetrahymena thermophila to test whether predation pressure can initiate the formation of colonies. We found that: (1) either predators or just...
Data from: Preservational bias controls the fossil record of pterosaurs
Christopher D. Dean, Philip D. Mannion & Richard J. Butler
Pterosaurs, a Mesozoic group of flying archosaurs, have become a focal point for debates pertaining to the impact of sampling biases on our reading of the fossil record, as well as the utility of sampling proxies in palaeo-diversity reconstructions. The completeness of the pterosaur fossil specimens themselves potentially provides additional information that is not captured in existing sampling proxies, and might shed new light on the group's evolutionary history. Here we assess the quality of...
Data from: Use of elastic stability analysis to explain the stress-dependent nature of soil strength
Kevin J. Hanley, Catherine O'Sullivan, Mohammad Ahmer Wadee & Xin Huang
The peak and critical state strengths of sands are linearly related to the stress level, just as the frictional resistance to sliding along an interface is related to the normal force. The analogy with frictional sliding has led to the use of a ‘friction angle’ to describe the relationship between strength and stress for soils. The term ‘friction angle’ implies that the underlying mechanism is frictional resistance at the particle contacts. However, experiments and discrete...
Data from: The evolution of morphological diversity in continental assemblages of Passerine birds
Knud Andreas Jønsson, Jean Philippe Lessard, Robert E. Ricklefs & Jean-Philippe Lessard
Understanding geographic variation in the species richness and lineage composition of regional biotas is a long standing goal in ecology. Why do some evolutionary lineages proliferate while others do not, and how do new colonists fit into an established fauna? Here, we analyse the morphological structure of assemblages of passerine birds in four biogeographic regions to examine the relative influence of colonization history and niche-based processes on regional communities of passerine birds. Using morphological traits...
chemdraw test
Matthew Harvey
my first chemdraw submission
chemdraw test
Matthew Harvey
my first chemdraw submission
chemdraw test
Matthew Harvey
my first chemdraw submission
chemdraw test
Matthew Harvey
my first chemdraw submission
chemdraw test 2
Matthew Harvey
chemdraw test 2 desc
chemdraw
Matthew Harvey
chemdraw 2
ttest
Prabhjot Saini
test
Collection
Matthew Harvey
A test collection
My collection
Matthew Harvey
This is a placeholder for a collection
Research data management in chemistry
Henry RzepaTITLE
Matthew Harvey
DESCRIPTION
Atropisomerism in Taxol intermediates
Henry Rzepa
Atropisomerism in Taxol intermediates
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Affiliations
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Imperial College London70
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University of Oxford6
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Natural History Museum3
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University of Birmingham2
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Institut National de Recherche en Santé Publique1
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VU University Amsterdam1
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London School of Hygiene & Tropical Medicine1
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University of Sussex1
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The University of Texas at Austin1
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National Museums Scotland1