university of Johannesburg
3 ARTICLES PUBLISHED IN JoVE
Engineering
Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures
Sergey V. Borisenko 1, Volodymyr B. Zabolotnyy 1, Alexander A. Kordyuk 1,2, Danil V. Evtushinsky 1, Timur K. Kim 1,3, Emanuela Carleschi 4, Bryan P. Doyle 4, Rosalba Fittipaldi 5, Mario Cuoco 5, Antonio Vecchione 5, Helmut Berger 6
1Institute for Solid State Research, IFW-Dresden, 2Institute of Metal Physics of National Academy of Sciences of Ukraine, 3Diamond Light Source LTD, 4Department of Physics, University of Johannesburg, 5CNR-SPIN, and Dipartimento di Fisica "E. R. Caianiello", Università di Salerno, 6Institute of Physics of Complex Matter, École Polytechnique Fédérale de Lausanne
The overall goal of this method is to determine the low-energy electronic structure of solids at ultra-low temperatures using Angle-Resolved Photoemission Spectroscopy with synchrotron radiation.
Chemistry
Achieving Efficient Fragment Screening at XChem Facility at Diamond Light Source
Alice Douangamath *1,2, Ailsa Powell *1,2, Daren Fearon *1,2, Patrick M. Collins 1,2, Romain Talon 1,2,3, Tobias Krojer 3,4, Rachael Skyner 1,2, Jose Brandao-Neto 1,2, Louise Dunnett 1,2, Alexandre Dias 1,2, Anthony Aimon 1,2,3, Nicholas M. Pearce 1,3, Conor Wild 3,5, Tyler Gorrie-Stone 1, Frank von Delft 1,2,3,4,6
1Diamond Light Source Ltd, Harwell Science and Innovation Campus, 2Research Complex at Harwell, Harwell Science and Innovation Campus, 3Structural Genomics Consortium, University of Oxford, 4Centre for Medicines Discovery, University of Oxford, 5Oxford Protein Informatics Group, Department of Statistics, Oxford University, 6Department of Biochemistry, University of Johannesburg
This paper describes the complete XChem process for crystal-based fragment screening, starting from applying for access and all subsequent steps to data dissemination.
Biology
Three-Dimensional Cell Culture of Adipose-Derived Stem Cells in a Hydrogel with Photobiomodulation Augmentation
Brendon Roets 1, Heidi Abrahamse 1, Anine Crous 1
1Laser Research Centre, Faculty of Health Science, University of Johannesburg
Here, we present a protocol demonstrating the use of hydrogel as a three-dimensional (3D) cell culture framework for adipose-derived stem cell (ADSC) culture and introducing photobiomodulation (PBM) to enhance the proliferation of ADSCs within the 3D culture setting.
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