DataCat: The Research Data Catalogue (University of Liverpool)
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Data from Cross et al., Exploring the Accuracy of Palaeobiological Modelling Procedures in Forward-Dynamics Simulations of Maximum-Effort Vertical Jumping
No full textThe data included herein contains the model input files, output files, as well as the 3D segment geometries needed to repeat the simulations described in the study of Cross et al., Palaeobiological Simulations of Vertical Jumping
Data for: "Microbially Induced Carbonate Precipitation for Soil Improvement: Insights from a Meter-Scale Radial Grouting Trial"
No full textDataset consists of:
1) Figure 2a. Changes in permeability before, during and after MICP cycles.
2) Figure 3d. CaCO3 content plotted against the distance from the injection well.
3) Figure 4. UCS plotted against CaCO3 content in comparison with other studies on meter-scale MICP trials.
4) Figure 5f. CaCO3 content averaged along the upper and lower section in the radial flow cell.
5) Figure S3. (a) Unconfined compressive strength (UCS) curves.
6) Figure S5. CaCO3 content with respect to depth for the six samples collected at different locations H, I, J, K, N, O.
7) Supplementary Movie S1-Tracer Test.
8) Supplementary Movie S2-Flow Channel 2.
9) Supplementary Movie S3-Acoustic Test
Data associated with the manuscript Superiority of chromosomal compared to plasmid-encoded compensatory mutations.
No full textEcological dynamics of plasmid compensatory mutations: raw data.
The abstract submitted with the preprint is pasted below:
Plasmids are important vectors of horizontal gene transfer in microbial communities but can impose a burden on the bacteria that carry them. Such plasmid fitness costs are thought to arise principally from conflicts between chromosomal- and plasmid-encoded molecular machineries, and thus can be ameliorated by compensatory mutations (CMs) that reduce or resolve the underlying causes. CMs can arise on plasmids (i.e. plaCM) or on chromosomes (i.e. chrCM), with contrasting predicted effects upon plasmid success and subsequent gene transfer because plaCM can also reduce fitness costs in plasmid recipients, whereas chrCM can potentially ameliorate multiple distinct plasmids. Here, we develop theory and a novel experimental system to directly compare the ecological effects of plaCM and chrCM that arose during evolution experiments between Pseudomonas fluorescens SBW25 and its sympatric mercury resistance megaplasmid pQBR57. We show that while plaCM was predicted to succeed under a broader range of parameters in mathematical models, chrCM dominated in our experiments, including conditions with numerous recipients, due to a more efficacious mechanism of compensation, and advantages arising from transmission of costly plasmids to competitors (plasmid ‘weaponisation’). We show analytically the presence of a mixed Rock-Paper-Scissors regime for CMs, driven by trade-offs with horizontal transmission, that offers one possible explanation for the observed failure of plaCM to dominate even in competition against an uncompensated plasmid. Our results reveal broader implications of plasmid-bacterial evolution for plasmid ecology, demonstrating the importance of specific compensatory mutations for resistance gene spread. One consequence of the superiority of chrCM over plaCM is the likely emergence in microbial communities of compensated bacteria that can act as ‘hubs’ for plasmid accumulation and dissemination.
Analysis scripts associated with these data are available at https://github.com/jpjh/COMPMUT_dynamic
Myotis brandtii population study metadata
No full textMetadata for Myotis brandtii population study. This includes sample location, collection data, collector, as well as information on why a sample was excluded from downstream analysis. This links to ENA project PRJEB73371
Shaun the Sheep Immersive
Get PDFA report produced by the University of Liverpool for Aardman (April 2023) that outlines the process and findings of the UKRI project "Shaun the Sheep: Immersive Experience" (2020-23)
Multiple cation insertion into a polyaromatic hydrocarbon guided by data and computation
No full textWe report the synthesis, structural characterization and magnetic properties of K3coronene. Coronene is identified as a suitable polycyclic aromatic hydrocarbon (PAH) candidate for intercalation because of its electronic structure similarity with C60 and similarity in void space and crystal structure to other PAH previously demonstrated by structure determination to intercalate K+ ions. Convex hull calculations with energies from crystal structure prediction based on ion insertion into the identified void space suggest that the x = 3 composition in Kxcoronene is stable at 0 K. Exploration of reaction conditions and compositions revealed that the mild reducing agent KH allows formation of K3coronene. The structure of K3coronene solved from synchrotron powder X-ray diffraction features extensive reorientation and associated disorder of coronene molecules driven by K+ intercalation and occupation of sites both within and between the coronene stacks that are partially retained from the parent structure. This disruption of the host structure is greater when three cations are inserted per coronene than in known structures where the maximum ratio of potassium to PAH is 2. Superconductivity is not observed, contrary to previous reports on Kxcoronene. The expected localised moment response is suppressed, which may be associated with the combination of extensive disorder and close coronene3- - coronene3- contacts
Data for "Alkali metal cations enhance CO2 reduction by a Co molecular complex in a bipolar membrane electrolyzer" by Siritanaratkul et al.
Get PDFData in Figures of "Alkali metal cations enhance CO2 reduction by a Co molecular complex in a bipolar membrane electrolyzer
Elucidating the Effect of Nanocube Support Morphology on the Hydrogenolysis of Polypropylene over Ni/CeO2 Catalysts
No full textThe catalytic hydrogenolysis process offers the selective production of high-value liquid alkanes from waste polymers. Herein, through normalisation of Ni structure, Ni mass and density, and CeO2 crystallite size, the importance of CeO2 nanocube morphology in the hydrogenolysis of polypropylene (Mw = 12000 g mol-1; Mn = 5000 g mol-1) over Ni/CeO2 catalysts was determined. High liquid productivities (65.9-70.9 gliquid gNi-1 h-1) and low methane yields (10%) were achieved over two different Ni/CeO2 catalysts after 16 h reaction due to the high activity and internal scission selectivity of the supported ultrafine Ni particles (<1.3 nm). However, the Ni/CeO2 nanocube catalyst exhibited higher C-C scission rates (838.1 mmol gNi-1 h-1) than a standard benchmark mixed shape Ni/CeO2 catalyst (480.3 mmol gNi-1 h-1) and represents a 75% increase in depolymerisation activity. This led to shorter hydrocarbon chains achieved by the nanocube catalyst (Mw = 2786 g mol-1; Mn = 1442 g mol-1) when compared to the mixed shape catalyst (Mw = 4599 g mol-1; Mn = 2530 g mol-1). The enhanced C-C scission rate of the nanocube catalyst was determined to arise from a combination of improved H-spillover, reducibility, and favourable basic properties that tune the adsorption of hydrocarbon chains
Decoupling structural and electronic dimensionality: 2D transport in a 3D honeycomb chiral stacking
No full textElectronic dimensionality is ordinarily controlled by restricting orbital overlap through structure, exemplified by the weak interlayer bonding in van der Waals materials. HfSn2 has strongly three-dimensional orbital overlap expressed in its bonding, but displays robust 2D transport from open orbits at the Fermi surface. These states originate in the honeycomb layers that are present in HfSn2 but hidden by the three-dimensional bonding. Chiral stacking of the honeycomb protects its electronic states in the presence of the strong interlayer orbital overlap. These states dominate macroscopic transport because the inversion symmetry breaking imposed by the stacking enhances mobility by locating Type II Weyl points on the 2D Fermi surface. Structural and electronic dimensionality can be decoupled by control of the arrangement of extended low-dimensional motifs to retain their electronic structures and augment functionality through the symmetry of the resulting scaffolds. This expands the design space for low-dimensional electronic materials beyond layered systems
Nefeli Boni-Kazantzidou, University of Liverpool thesis, 2024, Appendix I, Supplementary files
No full textThis data deposit contains the supplementary files for the University of Liverpool thesis titled "Global (phospho)proteomics analysis of EGFR inhibitor drug tolerance and resistance mechanisms in cell-based models of non-small cell lung cancer", by Nefeli Boni-Kazantzidou, 2024
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