Recent Submissions

  • Development of a near-infrared spectroscopy interface able to assess oxygen recovery kinetics in the right and left sides of the pelvic floor 

    Macnab, Andrew; Stothers, Lynn; Deegan, Emily (Society of Photo-optical Instrumentation Engineers, 2019)
    Near-infrared spectroscopy (NIRS) muscle oxygenation data are relied on in sports medicine. Many women with urinary incontinence (UI) have dysfunctional pelvic floor muscles (PFMs) but their evaluation lacks such measures; ...
  • Substandard and falsified medical products are a global public health threat. A pilot survey of awareness among physicians in Sweden 

    Funestrand, H.; Liu, R.; Lundin, S.; Troein, M. (Oxford University Press, 2019)
    Background: Substandard and falsified medical products are a public health threat, primarily associated with low- and middle-income countries. Today, the phenomenon also exists in high-income countries. Increased Internet ...
  • Questionable assumptions mar modelling of Kenya home-based testing campaigns 

    Granich, Reuben; Gupta, Somya; Williams, Brian G. (International AIDS Society, 2019)
    No abstract available.
  • Cost-per-diagnosis as a metric for monitoring cost-effectiveness of HIV testing programmes in low-income settings in southern Africa : health economic and modelling analysis 

    Phillips, Andrew N.; Cambiano, Valentina; Nakagawa, Fumiyo; Bansi-Matharu, Loveleen; Wilson, David; Jani, Ilesh; Apollo, Tsitsi; Sculpher, Mark; Hallett, Timothy; Kerr, Cliff; Van Oosterhout, J.; Eaton, Jeffrey W.; Estill, Janne; Williams, Brian; Doi, Naoko; Cowan, Frances; Keiser, Olivia; Ford, Deborah; Hatzold, Karin; Barnabas, Ruanne; Ayles, Helen; Meyer-Rath, Gesine; Nelson, Lisa; Johnson, Cheryl; Baggaley, Rachel; Fakoya, Ade; Jahn, Andreas; Revill, Paul (International AIDS Society, 2019)
    Introduction: As prevalence of undiagnosed HIV declines, it is unclear whether testing programmes will be cost-effective. To guide their HIV testing programmes, countries require appropriate metrics that can be measured. ...
  • Evaluating antibacterial and anticancer activity of crude extracts of bacterial endophytes from Crinum macowanii Baker bulbs 

    Sebola, Tendani E.; Uche‐Okereafor, Nkemdinma C.; Tapfuma, Kudzanai I.; Mekuto, Lukhanyo; Green, Ezekiel; Mavumengwana, Vuyo (Wiley Open Access, 2019)
    The results from this study revealed that crude extracts isolated from bacterial endophytes obtained from Crinum macowanii bulbs showed activity against both Gram-positive and Gram-negative pathogenic bacteria, while ...
  • A global review of the microbiological quality and potential health risks associated with roof-harvested rainwater tanks 

    Hamilton, Kerry; Reyneke, Brandon; Waso, Monique; Clements, Tanya; Ndlovu, Thando; Khan, Wesaal; DiGiovanni, Kimberly; Rakestraw, Emma; Montalto, Franco; Haas, Charles N.; Ahmed, Warish (Nature Research, 2019)
    A broad body of literature has been published regarding roof-harvested rainwater quality around the world. In particular, the presence of fecal indicator bacteria and pathogenic microorganisms has raised concerns regarding ...
  • Generation of a frequency-degenerate four-photon entangled state using a silicon nanowire 

    Feng, Lan-Tian; Zhang, Ming; Zhou, Zhi-Yuan; Chen, Yang; Li, Ming; Dai, Dao-Xin; Ren, Hong-Liang; Guo, Guo-Ping; Guo, Guang-Can; Tame, Mark; Ren, Xi-Feng (Nature Research, 2019)
    Integrated photonics is becoming an ideal platform for generating two-photon entangled states with high brightness, high stability, and scalability. This high brightness and high quality of photon pair sources encourages ...
  • Thermalization of a Lipkin-Meshkov-Glick model coupled to a bosonic bath 

    Louw, Jan C.; Kriel, Johannes N.; Kastner, Michael (American Physical Society, 2019)
    We derive a Lindblad master equation that approximates the dynamics of a Lipkin-Meshkov-Glick (LMG) model weakly coupled to a bosonic bath. By studying the time evolution of operators under the adjoint master equation we ...
  • Systematic experiments to quantitatively assess image quality for CT scans of a Karoo tetrapod fossil 

    Tshibalanganda, Muofhe; Du Plessis, Anton; Le Roux, Stephan G.; Taylor, Wendy L.; Smith, Roger M. H.; Browning, Claire (Evolutionary Studies Institute, 2019)
    Over the past decade non-destructive, three-dimensional visualization and analysis of fossils using X-ray tomography has greatly advanced palaeontological studies worldwide. Micro-computed tomography (microCT) is now ...
  • Nuclear level densities and γ-ray strength functions of 180,181,182Ta 

    Brits, C. P.; Malatji, K. L.; Wiedeking, M.; Kheswa, B. V.; Goriely, S.; Garrote, F. L. Bello; Bleuel, D. L.; Giacoppo, F.; Gorgen, A.; Guttormsen, M.; Hadynska-Klek, K.; Hagen, T. W.; Hilaire, S.; Ingeberg, V. W.; Klintefjord, H. Jia M.; Larsen, A. C.; Majola, S. N. T.; Papka, P.; Peru, S.; Qi, B.; Renstrom, T.; Rose, S. J.; Sahin, E.; Siem, S.; Tveten, G. M.; Zeiser, F. (American Physical Society, 2019)
    Particle-γ coincidence experiments were performed at the Oslo Cyclotron Laboratory with the ¹⁸¹Ta(d,X) and ¹⁸¹Ta(³He,X) reactions to measure the nuclear level densities (NLDs) and γ-ray strength functions (γSFs) of ...
  • Competition of rotation around the intermediate and long axes in 193Tl 

    Ndayishimye, J.; Lawrie, E. A.; Shirinda, O.; Easton, J. L.; Lawrie, J. J.; Wyngaardt, S. M.; Bark, R. A.; Bucher, T. D.; Bvumbi, S. P.; Dinoko, T. R. S.; Jones, P.; Kheswa, N. Y.; Majola, S. N. T.; Masiteng, P. L.; Negi, D.; Orce, J. N.; Sharpey-Schafer, J. F.; Wiedeking, M. (American Physical Society, 2019)
    High-spin states in ¹⁹³Tl were studied and the level scheme was revised and extended including the observation of new rotational bands. A surprising competition between bands built on the same πh9/2⊗νi13/2⁻² nucleon ...
  • Strength of tensor forces from neutron drops in ab initio relativistic Brueckner-Hartree-Fock theory 

    Wang, Sibo; Tong, Hui; Zhao, Pengwei; Meng, Jie (American Physical Society, 2019)
    The evolution of spin-orbit splittings of neutron drops along with the neutron number and its connection with the tensor-force strength have been investigated systematically for different external fields in the relativistic ...
  • Rotational structures in 196Hg 

    Lawrie, J. J.; Lawrie, E. A.; Msezane, B.; Benatar, M.; Fedderke, M.; Mabala, G. K.; Mukherjee, S.; Mullins, S. M.; Mutshena, K. P.; Ncapayi, N. J.; Newman, R. T.; Sharpey-Schafer, J. F.; Smit, F. D.; Vymers, P. (American Physical Society, 2019)
    High spin states in ¹⁹⁶Hg were populated in the ¹⁹⁸Pt(α,6n) reaction at 65 MeV and γ−γ coincidence measurements were performed using the AFRODITE array at iThemba LABS. The level scheme was extended and new rotational bands ...
  • Spectroscopy of low-spin states in 157Dy : Search for evidence of enhanced octupole correlations 

    Majola, S. N. T.; Bark, R. A.; Bianco, L.; Bucher, T. D.; Bvumbi, S. P.; Cullen, D. M.; Garrett, P. E.; Greenlees, P. T.; Hartley, D.; Hirvonen, J.; Jakobsson, U.; Jones, P. M.; Julin, R.; Juutinen, S.; Ketelhut, S.; Kheswa, B. V.; Korichi, A.; Lawrie, E. A.; Masiteng, P. L.; Maqabuka, B.; Mdletshe, L.; Minkova, A.; Ndayishimye, J.; Nieminen, P.; Nyako, B. M.; Peura, P.; Rahkila, P.; Riedinger, L. L.; Riley, M.; Roux, D.; Ruotsalainen, P.; Saren, J.; Sharpey-Schafer, J. F.; Scholey, C.; Shirinda, O.; Sithole, A.; Sorri, J.; Stolze, S.; Timar, J.; Uusitalo, J.; Zimba, G. (American Physical Society, 2019)
    Low-spin states of ¹⁵⁷Dy have been studied using the JUROGAM II array, following the ¹⁵⁵Gd (α, 2n) reaction at a beam energy of 25 MeV. The level scheme of ¹⁵⁷Dy has been expanded with four new bands. Rotational structures ...
  • A micro X-ray computed tomography dataset of fossil echinoderms in an ancient obrution bed : a robust method for taphonomic and palaeoecologic analyses. 

    Reid, Mhairi; Bordy, Emese M.; Taylor, Wendy L.; le Roux, Stephan G.; du Plessis, Anton (Oxford University Press, 2019-03)
    Background: Taphonomic and palaeoecologic studies of obrution beds often employ conventional methods of investigation such as physical removal and extraction of fossils from their host rock (matrix) by mechanical preparation. ...
  • Stochastic gradient annealed importance sampling for efficient online marginal likelihood estimation 

    Cameron, Scott A.; Eggers, Hans C.; Kroon, Steve (MDPI, 2019-11-12)
    We consider estimating the marginal likelihood in settings with independent and identically distributed (i.i.d.) data. We propose estimating the predictive distributions in a sequential factorization of the marginal ...