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Alfred D. French
Researcher at United States Department of Agriculture
Publications - 159
Citations - 9461
Alfred D. French is an academic researcher from United States Department of Agriculture. The author has contributed to research in topics: Cellulose & Hydrogen bond. The author has an hindex of 46, co-authored 152 publications receiving 7668 citations. Previous affiliations of Alfred D. French include Iowa State University & Agricultural Research Service.
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Idealized powder diffraction patterns for cellulose polymorphs
TL;DR: In this paper, powder diffraction patterns from cellulose Iα, Iβ, II, IIII, and IIIII were calculated based on the published atomic coordinates and unit cell dimensions contained in modified "crystal information files" that are supplied in the Supplementary Information.
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Cellulose polymorphy, crystallite size, and the Segal Crystallinity Index
TL;DR: In this paper, the X-ray diffraction-based Segal Crystallinity Index (CI) was calculated for simulated different sizes of crystallites for cellulose Iβ and II.
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Segal crystallinity index revisited by the simulation of X-ray diffraction patterns of cotton cellulose Iβ and cellulose II.
TL;DR: The Segal method estimates the amorphous fraction of cellulose Iβ materials simply based on intensity in an X-ray diffraction pattern and was extended to cellulose II using 16° 2θ intensity, which resulted in relatively good agreement with the simulation for mercerized cotton.
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About the structure of cellulose: debating the Lindman hypothesis
Wolfgang G. Glasser,Rajai H. Atalla,John Blackwell,R. Malcolm Brown,Walther Burchard,Alfred D. French,Dieter Klemm,Yoshiharu Nishiyama +7 more
TL;DR: The assertion that little-recognized (or under-estimated) hydrophobic interactions have been the reason for a tardy development of cellulose solvents provides the platform for a debate in the hope that new scientific endeavors are stimulated on this important topic.
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Effects of ball milling on the structure of cotton cellulose
Zhe Ling,Zhe Ling,Tuo Wang,Mohamadamin Makarem,Michael Santiago Cintrón,Huai N. Cheng,Xue Kang,Markus Bacher,Antje Potthast,Thomas Rosenau,Holly King,Christopher D. Delhom,Sunghyun Nam,J. Vincent Edwards,Seong H. Kim,Feng Xu,Alfred D. French +16 more
TL;DR: In this paper, the changes in cotton fibers after ball milling for 15, 45 and 120 min were analyzed with the Rietveld method; DNP (dynamic nuclear polarization) natural abundance 2D NMR studies in the next paper assisted with the interpretation of the 1D analyses in the present work.