Polymorphic selectivity in crystal nucleation
WebOct 6, 2024 · For organic crystals, the solvent composition also determines the selective nucleation of polymorphic forms . For oriented attachment processes, the solvent … WebAbstract The aim of this work is to study the effect of the presence of different monovalent ions (Na+, NH4 + and K+) on the nucleation and growth rates of CaCO3 precipitation. There is currently great interest in the precipitation of CaCO3 particles reusing CO2 rich flue gases and calcium-rich wastes, which implies the presence of foreign ions that can affect the …
Polymorphic selectivity in crystal nucleation
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WebApr 14, 2024 · Crystal nucleation rates have been measured in the supercooled melts of two richly polymorphic glass-forming liquids: ROY and nifedipine (NIF). ROY or 5-methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile is known for its crystals of red, orange, and … WebOct 6, 2024 · For organic crystals, the solvent composition also determines the selective nucleation of polymorphic forms . For oriented attachment processes, the solvent modulates interactions with organic ligands and also provides a certain degree of particle movement that enables co-orientation and coalescence [31,51,52,53,54].
WebThe principle of polymorph selection upon crystal nucleation is one of the fundamental problems in crystallization. Recently we found that for hard spheres the crystal polymorph … WebDec 1, 2007 · The kinetics of crystal nucleation in SCLs are extremely important and play a crucial role in numerous natural processes, such as snow precipitation, crystallization of …
WebFeb 1, 2024 · The findings of the work can offer a better understanding of the action of PSS in affecting nucleation, growth, and polymorph selectivity, and may guide the use of polyelectrolytes as additives in ... WebMar 21, 2024 · Co-crystal design is a convenient way to remedy the poor biopharmaceutical properties of drugs. Most studies focus on experimental co-crystal screening or computational prediction, but hardly any work has been done toward fast, efficient, and reliable prediction of solution crystallization for co-crystal formation. Here, we study the …
WebNov 7, 2001 · Crystallization of 5-methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile (1), previously found to produce six conformational polymorphs from solution, on single …
WebNov 16, 2024 · We have measured the crystal nucleation rates at the surface and in the bulk of amorphous poscaconazole, a rod-like molecule known to have a preferred interfacial orientation. We find that surface nucleation is vastly enhanced over bulk nucleation, by ∼9 orders of magnitude, and selects a different polymorph (II) from bulk nucleation (I). how to remove stuck door lockWebOct 7, 2014 · The researchers envisage that better knowledge of the molecular packing arrangements in the crystal polymorphs — along with an enhanced understanding of … normandy blue by benjamin mooreWebSep 11, 2024 · Here we report the polymorph nucleation of undecanedioic acid (UDA) having high solvent-dependent selectivity. Solvents with high hydrogen bond donating (HBD) ability preferred to produce II ... how to remove stuck earringWebNov 16, 2024 · We have measured the crystal nucleation rates at the surface and in the bulk of amorphous poscaconazole, a rod-like molecule known to have a preferred interfacial … how to remove stuck electrical connectorsWebApr 1, 2024 · Crystal nucleation rates have been measured in the supercooled melts of two richly polymorphic glass-forming liquids: ROY and nifedipine (NIF). ROY or 5-methyl-2-[(2 … how to remove stuck door latch assemblyWebOct 12, 2001 · Crystallization of 5-methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile (1), previously found to produce six conformational polymorphs from solution, on single … how to remove stuck dvd from tvWebJan 11, 2012 · The polymorphic outcomes correlate strongly with the gel-induced nucleation kinetics and are very sensitive to both the polymer microstructure and the chemical … normandy blue paint