Zobrazeno 1 - 10
of 59
pro vyhledávání: '"J A Orwa"'
Publikováno v:
Journal of Complementary and Alternative Medical Research. :13-21
Introduction: Due to resistance and cost of current antimalarial drugs in use, there is need to continue searching for effective and affordable treatment for this disease. Traditional medicinal plants have been focused on as source of such drugs. Met
Autor:
Lionel Rousseau, John M. Long, J. O. Orwa, Abbas Z. Kouzani, Scott Adams, Naser Sharafkhani, Gaelle Lissorgues
Publikováno v:
Journal of Neuroscience Methods
Journal of Neuroscience Methods, Elsevier, 2022, 365, pp.109388. ⟨10.1016/j.jneumeth.2021.109388⟩
Journal of Neuroscience Methods, Elsevier, 2022, 365, pp.109388. ⟨10.1016/j.jneumeth.2021.109388⟩
Insertion of a microelectrode into the brain to record/stimulate neurons damages neural tissue and blood vessels and initiates the brain’s wound healing response. Due to the large difference between the stiffness of neural tissue and microelectrode
Autor:
Albert Juma, Rosanne M. Guijt, Ludovic F. Dumée, Minoo Naebe, Johannes Reiner, Jurg Schutz, Quanxiang Li, Lachlan Hyde, Alastair Stacey, Abbas Z. Kouzani, Andrea Merenda, Kallista Sears, J. O. Orwa, Vahid R. Adineh
Publikováno v:
Diamond and Related Materials. 115:108349
Stability of carbon fiber in hydrogen plasma during chemical vapor deposition growth of diamond film was investigated for a range of carbon fiber samples with different physical properties. Morphological studies using scanning electron microscopy and
Publikováno v:
International Journal of Livestock Production. 8:5-11
The cow, the milking and milk handling procedures at the farm level expose the milk to potential risk of contamination with spoilage microorganisms. Milk contamination if not prevented will lead to milk losses along the dairy value chain. The objecti
Autor:
Alastair Stacey, Steven Prawer, J. O. Orwa, Alon Hoffman, Z. Shpilman, Irina Gouzman, Bruce C. C. Cowie, Linhan Shen, Timothy K. Minton
Publikováno v:
Diamond and Related Materials. 45:20-27
The influence of oxidizing environments on single crystal diamond and polycrystalline chemical vapor deposited CVD diamond films was studied using the near edge X-ray absorption fine structure (NEXAFS) pre-edge region in both bulk and surface sensiti
Publikováno v:
Journal of Chemical Sciences. 125:1115-1121
From the n-hexane, ethyl acetate and methanol extracts of Toddalia asiatica root bark were isolated eight compounds (1–8) which were identified on the basis of both spectroscopic and physical data as well as comparison with already published result
Publikováno v:
Diamond and Related Materials. 26:39-44
Diamond-like carbon thin films with low chromium content have been deposited by Electron Cyclotron Resonance Chemical Vapor Deposition (ECR-CVD) using a metallic target as chromium source. Major changes in the characteristics of the coatings have bee
Autor:
J. O. Orwa, W. H. Jay
Publikováno v:
Journal of Raman Spectroscopy. 43:307-316
Two pieces of unmarked English porcelainware, a vase and a coffee cup, were examined by Raman spectroscopy. The presence of both forsterite and enstatite was identified in the vase, and enstatite and diopside in the coffee cup, indicating that both a
Autor:
Steven Prawer, Chris Ryan, David N. Jamieson, J. O. Orwa, Jeffrey C. McCallum, Virginia S. Drumm, A. D. C. Alves
Publikováno v:
physica status solidi (a). 208:42-46
Colour centres in diamond are important for potential applications in quantum information technology. Centres based on Ni have attractive properties but the structures are still not fully understood. One interesting colour centre is NIRIM-2 which emi
Publikováno v:
Journal of Applied Physics. 96:6286-6297
Tetrahedral amorphous carbon films with 70%–88% sp3 content are studied by atomic force microscopy (AFM), transmission electron microscopy (TEM), and Raman spectroscopy as a function of annealing temperature in the range 25–1100°C. Using a high-