Zobrazeno 1 - 10
of 17
pro vyhledávání: '"C, Travis Powell"'
Autor:
Chamara A. Gunawardana, Angela Kong, Debbie Wanapun, Daniel O. Blackwood, C. Travis Powell, Joseph F. Krzyzaniak, Myles C. Thomas, John E. Kresevic, Changquan Calvin Sun
Publikováno v:
International Journal of Pharmaceutics. 640:123016
Autor:
Chamara A, Gunawardana, Angela, Kong, Daniel O, Blackwood, C, Travis Powell, Joseph F, Krzyzaniak, Myles C, Thomas, Changquan, Calvin Sun
Publikováno v:
International Journal of Pharmaceutics. 630:122422
Scanning electron microscopy-based energy dispersive X-ray spectroscopy (SEM-EDS) is proposed as a versatile tool for quantifying surface area coverage (SAC) by magnesium stearate (MgSt) on pharmaceutical tablets and particles. Our approach involved
Publikováno v:
The Journal of Physical Chemistry B. 121:1963-1971
Low-concentration polymers can strongly influence crystal growth in small-molecule glasses, a phenomenon important for improving physical stability against crystallization. We measured the velocity of crystal growth in two molecular glasses, nifedipi
Publikováno v:
The Journal of Physical Chemistry B. 121:444-449
Molecular glasses indomethacin and ortho-terphenyl were formed and fractured by cooling a liquid on a less thermally expansive substrate. In-plane tension was created by the mismatch of thermal expansion coefficients and accumulated to cause catastro
Publikováno v:
Journal of Non-Crystalline Solids. 429:122-128
The fracture of single-component molecular glasses has been characterized under tension. In-plane tension is created by cooling a liquid film below its glass transition temperature constrained on a substrate that is less thermally expansive. The frac
Publikováno v:
The Journal of Physical Chemistry B. 118:7638-7646
Organic glasses can grow crystals much faster on the free surface than in the interior, a phenomenon important for fabricating stable amorphous materials. This surface process differs from and is faster than the glass-to-crystal (GC) growth mode exis
Publikováno v:
The Journal of Physical Chemistry Letters. 5:1705-1710
Fast crystal growth can abruptly emerge as molecular liquids are cooled to become glasses, a phenomenon presently unknown for other materials. This glass-to-crystal (GC) mode can cause crystallization rates orders of magnitude faster than those predi
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Autor:
Ping Gao, C. Travis Powell, Ting Cai, Erica Gunn, Yuchuan Gong, Lian Yu, Geoff G. Z. Zhang, Mariko Hasebe
Publikováno v:
The Journal of Physical Chemistry B. 117:10334-10341
Crystal growth in organic glasses has been studied in the presence of low-concentration polymers. Doping the organic glass nifedipine (NIF) with 1 wt % polymer has no measurable effect on the glass transition temperature Tg of host molecules, but sub
Akademický článek
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