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Int. J. Mol. Sci., Volume 6, Issue 12 (December 2005) – 2 articles , Pages 291-310

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Article
Facile Interfacial Electron Transfer of Hemoglobin
by Bo Zhou, Runguang Sun, Xiaofang Hu, Lihua Wang, Haiping Wu, Shiping Song and Chunhai Fan
Int. J. Mol. Sci. 2005, 6(12), 303-310; https://doi.org/10.3390/i6120303 - 22 Dec 2005
Cited by 13 | Viewed by 7486
Abstract
We herein describe a method of depositing hemoglobin (Hb) and sulfonated polyaniline (SPAN) on GC electrodes that facilitate interfacial protein electron transfer. Well-defined, reproducible, chemically reversible peaks of Hb and SPAN can be obtained in our experiments. We also observed enhanced peroxidase activity [...] Read more.
We herein describe a method of depositing hemoglobin (Hb) and sulfonated polyaniline (SPAN) on GC electrodes that facilitate interfacial protein electron transfer. Well-defined, reproducible, chemically reversible peaks of Hb and SPAN can be obtained in our experiments. We also observed enhanced peroxidase activity of Hb in SPAN films. These results clearly showed that SPAN worked as molecular wires and effectively exchanged electrons between Hb and electrodes.Mediated by Conjugated Polymers Full article
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139 KiB  
Article
Study of Polymorph Prediction For L-Ascorbic Acid
by Ali Arslantas, Walter C. Ermler, Rahmi Yazici and Dilhan M. Kalyon
Int. J. Mol. Sci. 2005, 6(12), 291-302; https://doi.org/10.3390/i6120291 - 6 Dec 2005
Cited by 8 | Viewed by 9400 | Correction
Abstract
Possible polymorphs of L-ascorbic acid were investigated, considering eight space groups and assuming one molecule in the asymmetric unit. The grid-search method was compared with a Monte Carlo approach as performed in the Biosym / MSI polymorph Predictor. A number of possible crystal [...] Read more.
Possible polymorphs of L-ascorbic acid were investigated, considering eight space groups and assuming one molecule in the asymmetric unit. The grid-search method was compared with a Monte Carlo approach as performed in the Biosym / MSI polymorph Predictor. A number of possible crystal structures were found, including the experimental structure. Energy minimizations were performed with a united-atom force field. In all cases, the experimental structure had a low lattice energy. The number of hypothetical crystal structures was reduced considerably by removing space-group symmetry constraints, or by a primitive molecular dynamic shake-up. Nevertheless, sufficient structures of equal or lower energy compared with the experimental structure remained to suggest that other factors need to be considered for polymorph predictions of materials. Full article
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