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All Outputs (40)

How are major gambling brands using Twitter? (2019)
Journal Article
James, R. J. E., & Bradley, A. (2019). How are major gambling brands using Twitter?. International Gambling Studies, 19(3), 451-470. https://doi.org/10.1080/14459795.2019.1606927

This paper is the first to compare how major gambling brands are using the popular social media platform Twitter, looking at how gambling brands vary in the frequency of their messages, the content of their tweets and engagement with their Twitter ac... Read More about How are major gambling brands using Twitter?.

Trajectories of pain predict disabilities affecting daily living in arthritis (2019)
Journal Article
James, R. J., Walsh, D. A., & Ferguson, E. (2019). Trajectories of pain predict disabilities affecting daily living in arthritis. British Journal of Health Psychology, 24(3), 465-496. https://doi.org/10.1111/bjhp.12364

Purpose: To examine the interplay between pain and disability in arthritis when adjusting for patient heterogeneity in pain progression. There is consistent evidence to suggest that people experience osteoarthritis heterogeneously, with subgroups of... Read More about Trajectories of pain predict disabilities affecting daily living in arthritis.

Gambling on smartphones: a study of a potentially addictive behaviour in a naturalistic setting (2019)
Journal Article
James, R. J., O 'Malley, C., & Tunney, R. J. (2019). Gambling on smartphones: a study of a potentially addictive behaviour in a naturalistic setting. European Addiction Research, 25(1), 30-40. https://doi.org/10.1159/000495663

Smartphone users engage extensively with their devices, on an intermittent basis for short periods of time. These patterns of behaviour have the potential to make mobile gambling especially perseverative. This paper reports the first empirical study... Read More about Gambling on smartphones: a study of a potentially addictive behaviour in a naturalistic setting.

General and disease-specific pain trajectories as predictors of social and political outcomes in arthritis and cancer (2018)
Journal Article
James, R. J. E., Walsh, D. A., & Ferguson, E. (2018). General and disease-specific pain trajectories as predictors of social and political outcomes in arthritis and cancer. BMC Medicine, 16, Article 51. https://doi.org/10.1186/s12916-018-1031-9

Background: While the heterogeniety of pain progression has been studied in chronic diseases, it is unclear the extent to which patterns of pain progression among people in general as well as across different diseases impacts on social, civic and po... Read More about General and disease-specific pain trajectories as predictors of social and political outcomes in arthritis and cancer.

Criteria for conceptualizing behavioral addiction should be informed by the underlying behavioral mechanism (2017)
Journal Article
Tunney, R. J., & James, R. J. (2017). Criteria for conceptualizing behavioral addiction should be informed by the underlying behavioral mechanism. Addiction, 112(10), 1720-1721. https://doi.org/10.1111/add.13831

The criteria used to determine a behavioral addiction should be based on an understanding of the underlying psychological mechanisms. This should include an analysis of whether the behavior itself has psychological features that might externally dete... Read More about Criteria for conceptualizing behavioral addiction should be informed by the underlying behavioral mechanism.

The need for a behavioural analysis of behavioural addictions (2016)
Journal Article
James, R. J., & Tunney, R. J. (2017). The need for a behavioural analysis of behavioural addictions. Clinical Psychology Review, 52, 69-76. https://doi.org/10.1016/j.cpr.2016.11.010

This manuscript overviews the behavioural (i.e. associative learning, conditioning) research in behavioural addictions, with reference to contemporary models of substance addiction and ongoing controversies in the behavioural addictions literature. T... Read More about The need for a behavioural analysis of behavioural addictions.

Understanding the psychology of mobile gambling: A behavioural synthesis (2016)
Journal Article
James, R. J., O'Malley, C., & Tunney, R. J. (2017). Understanding the psychology of mobile gambling: A behavioural synthesis. British Journal of Psychology, 108(3), 608-625. https://doi.org/10.1111/bjop.12226

This manuscript reviews the extant literature on key issues related to mobile gambling and considers whether the potential risks of harm emerging from this platform are driven by pre-existing comorbidities or by psychological processes unique to mobi... Read More about Understanding the psychology of mobile gambling: A behavioural synthesis.

The Latent Structure of Autistic Traits: A Taxometric, Latent Class and Latent Profile Analysis of the Adult Autism Spectrum Quotient (2016)
Journal Article
James, R. J., Dubey, I., Smith, D., Ropar, D., & Tunney, R. J. (2016). The Latent Structure of Autistic Traits: A Taxometric, Latent Class and Latent Profile Analysis of the Adult Autism Spectrum Quotient. Journal of Autism and Developmental Disorders, 46(12), 3712-3728. https://doi.org/10.1007/s10803-016-2897-z

Autistic traits are widely thought to operate along a continuum. A taxometric analysis of Adult Autism Spectrum Quotient data was conducted to test this assumption, finding little support but identifying a high severity taxon. To understand this furt... Read More about The Latent Structure of Autistic Traits: A Taxometric, Latent Class and Latent Profile Analysis of the Adult Autism Spectrum Quotient.

Sociodemographic predictors of latent class membership of problematic and disordered gamblers (2016)
Journal Article
James, R. J., O'Malley, C., & Tunney, R. J. (2016). Sociodemographic predictors of latent class membership of problematic and disordered gamblers. Addictive Behaviors Reports, 3, 61-69. https://doi.org/10.1016/j.abrep.2016.04.004

This paper reports a series of analyses examining the predictors of gambling subtypes identified from a latent class analysis of problem gambling assessment data, pooled from four health and gambling surveys conducted in Britain between 2007 and 2012... Read More about Sociodemographic predictors of latent class membership of problematic and disordered gamblers.

Loss of control as a discriminating factor between different latent classes of disordered gambling severity (2016)
Journal Article
James, R. J., O'Malley, C., & Tunney, R. J. (2016). Loss of control as a discriminating factor between different latent classes of disordered gambling severity. Journal of Gambling Studies, 32(4), https://doi.org/10.1007/s10899-016-9592-z

Analyses of disordered gambling assessment data have indicated that commonly used screens appear to measure latent categories. This stands in contrast to the oft-held assumption that problem gambling is at the extreme of a continuum. To explore this... Read More about Loss of control as a discriminating factor between different latent classes of disordered gambling severity.

Why are Some Games More Addictive than Others: The Effects of Timing and Payoff on Perseverance in a Slot Machine Game (2016)
Journal Article
James, R. J. E., O’Malley, C., & Tunney, R. J. (2016). Why are Some Games More Addictive than Others: The Effects of Timing and Payoff on Perseverance in a Slot Machine Game. Frontiers in Psychology, 7, Article 46. https://doi.org/10.3389/fpsyg.2016.00046

Manipulating different behavioral characteristics of gambling games can potentially affect the extent to which individuals persevere at gambling, and their transition to problematic behaviors. This has potential impact for mobile gambling technologie... Read More about Why are Some Games More Addictive than Others: The Effects of Timing and Payoff on Perseverance in a Slot Machine Game.

Development of a heptaplex PCR assay for identification of Staphylococcus aureus and CoNS with simultaneous detection of virulence and antibiotic resistance genes (2015)
Journal Article
Okolie, C. E., Wooldridge, K. G., Turner, D. P., Cockayne, A., & James, R. (2015). Development of a heptaplex PCR assay for identification of Staphylococcus aureus and CoNS with simultaneous detection of virulence and antibiotic resistance genes. BMC Microbiology, 15(1), Article 157. https://doi.org/10.1186/s12866-015-0490-9

Background Staphylococcal toxicity and antibiotic resistance (STAAR) have been menacing public health. Although vancomycin-resistant Staphylococcus aureus (VRSA) is currently not as widespread as methicillin-resistant S. aureus (MRSA), genome evolut... Read More about Development of a heptaplex PCR assay for identification of Staphylococcus aureus and CoNS with simultaneous detection of virulence and antibiotic resistance genes.

Quality assessment of an Ultra-Wide Band positioning system for indoor wheelchair court sports (2015)
Journal Article
Perrat, B., Smith, M. J., Mason, B. S., Rhodes, J. M., & Goosey-Tolfrey, V. L. (2015). Quality assessment of an Ultra-Wide Band positioning system for indoor wheelchair court sports. Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology, 229(2), https://doi.org/10.1177/1754337115581111

Ultra-Wide Band radio positioning systems are maturing very quickly and now represent a good candidate for indoor positioning. The aim of this study was to undertake a quality assessment on the use of a commercial Ultra-Wide Band positioning system f... Read More about Quality assessment of an Ultra-Wide Band positioning system for indoor wheelchair court sports.

Activity profiles of elite wheelchair rugby players during competition (2015)
Journal Article
Rhodes, J. M., Mason, B. S., Perrat, B., Smith, M. J., Malone, L. A., & Goosey-Tolfrey, V. L. (2015). Activity profiles of elite wheelchair rugby players during competition. International Journal of Sports Physiology and Performance, 10(3), https://doi.org/10.1123/ijspp.2014-0203

To quantify the activity profiles of elite wheelchair rugby and establish classification-specific arbitrary speed zones. Additionally, indicators of fatigue during full matches were explored. Methods: Seventy-five elite wheelchair rugby players from... Read More about Activity profiles of elite wheelchair rugby players during competition.

Crystal structure of the antimicrobial peptidase lysostaphin from Staphylococcus simulans (2014)
Journal Article
Sabala, I., Jagielska, E., Bardelang, P. T., Czapinska, H., Dahms, S. O., Sharpe, J. A., …Bochtler, M. (2014). Crystal structure of the antimicrobial peptidase lysostaphin from Staphylococcus simulans. FEBS Journal, 281(18), 4112-4122. https://doi.org/10.1111/febs.12929

Staphylococcus simulansbiovarstaphylolyticuslysostaphin efficiently cleavesStaphylococcus aureuscell walls. The protein is in late clinical trials as atopical anti-staphylococcal agent, and can be used to prevent staphylococcalgrowth on artificial su... Read More about Crystal structure of the antimicrobial peptidase lysostaphin from Staphylococcus simulans.

Continuation of localised coherent structures in nonlocal neural field equations (2014)
Journal Article
Rankin, J., Avitabile, D., Baladron, J., Faye, G., & Lloyd, D. J. (2014). Continuation of localised coherent structures in nonlocal neural field equations. SIAM Journal on Scientific Computing, 36(1), Article B70-B93. https://doi.org/10.1137/130918721

We study localised activity patterns in neural field equations posed on the Euclidean plane; such models are commonly used to describe the coarse-grained activity of large ensembles of cortical neurons in a spatially continuous way. We employ matrix-... Read More about Continuation of localised coherent structures in nonlocal neural field equations.

Immunity protein release from a cell-bound nuclease colicin complex requires global conformational rearrangement (2013)
Journal Article
Vankemmelbeke, M., Housden, N. G., James, R., Kleanthous, C., & Penfold, C. N. (2013). Immunity protein release from a cell-bound nuclease colicin complex requires global conformational rearrangement. Microbiology Open, 2(5), https://doi.org/10.1002/mbo3.122

Nuclease colicins bind their target receptor BtuB in the outer membrane of sensitive Escherichia coli cells in the form of a high-affinity complex with their cognate immunity proteins. The release of the immunity protein from the colicin complex is a... Read More about Immunity protein release from a cell-bound nuclease colicin complex requires global conformational rearrangement.

Structural evidence that colicin a protein binds to a novel binding site of TolA protein in Escherichia coli periplasm (2012)
Journal Article
Li, C., Zhang, Y., Vankemmelbeke, M., Hecht, O., Aleanizy, F. S., Macdonald, C., …Penfold, C. N. (2012). Structural evidence that colicin a protein binds to a novel binding site of TolA protein in Escherichia coli periplasm. Journal of Biological Chemistry, 287(23), https://doi.org/10.1074/jbc.M112.342246

The Tol assembly of proteins is an interacting network of proteins located in the Escherichia coli cell envelope that transduces energy and contributes to cell integrity. TolA is central to this network linking the inner and outer membranes by intera... Read More about Structural evidence that colicin a protein binds to a novel binding site of TolA protein in Escherichia coli periplasm.

Internally quenched peptides for the study of lysostaphin: An antimicrobial protease that kills Staphylococcus aureus (2006)
Journal Article
Warfield, R., Bardelang, P., Saunders, H., Chan, W. C., Penfold, C., James, R., & Thomas, N. R. (2006). Internally quenched peptides for the study of lysostaphin: An antimicrobial protease that kills Staphylococcus aureus. Organic and Biomolecular Chemistry, 4(19), 3626-3638. https://doi.org/10.1039/b607999g

Lysostaphin (EC. 3.4.24.75) is a protein secreted by Staphylococcus simulans biovar staphylolyticus and has been shown to be active against methicillin resistant S. aureus (MRSA). The design and synthesis of three internally quenched substrates for l... Read More about Internally quenched peptides for the study of lysostaphin: An antimicrobial protease that kills Staphylococcus aureus.