Disappearing polymorphs revisited

DK Bučar, RW Lancaster… - Angewandte Chemie …, 2015‏ - Wiley Online Library
Nearly twenty years ago, Dunitz and Bernstein described a selection of intriguing cases of
polymorphs that disappear. The inability to obtain a crystal form that has previously been …

Supercritical fluids in chemistry

ES Alekseev, AY Alentiev, AS Belova… - Russian Chemical …, 2020‏ - iopscience.iop.org
Dedicated the memory of Akademician Valery Vasilievich Lunin, a friend, colleague,
teacher, founder and leader of the research into application of supercritical fluids in …

[HTML][HTML] A practical guide to pharmaceutical polymorph screening & selection

EH Lee - Asian Journal of Pharmaceutical Sciences, 2014‏ - Elsevier
Prevalence and importance of polymorphism occurring in pharmaceutical compounds are
well recognized. It is of great importance to prepare and select the right form from the …

Solid form screening–a review

J Aaltonen, M Allesø, S Mirza, V Koradia… - European Journal of …, 2009‏ - Elsevier
Solid form screening, the activity of generating and analysing different solid forms of an
active pharmaceutical ingredient (API), has become an essential part of drug development …

Role of additives in crystal nucleation from solutions: a review

S Xu, D Cao, Y Liu, Y Wang - Crystal Growth & Design, 2021‏ - ACS Publications
Nucleation is a key step in the crystallization of solution. For regulating and controlling this
process, it is thus critical to understand the nucleation mechanism under different …

Why don't we find more polymorphs?

SL Price - Structural Science, 2013‏ - journals.iucr.org
Crystal structure prediction (CSP) studies are not limited to being a search for the most
thermodynamically stable crystal structure, but play a valuable role in understanding …

Simultaneously improving the mechanical properties, dissolution performance, and hygroscopicity of ibuprofen and flurbiprofen by cocrystallization with nicotinamide

SF Chow, M Chen, L Shi, AHL Chow, CC Sun - Pharmaceutical research, 2012‏ - Springer
Purpose To be fully exploitable in both formulation and manufacturing, a drug cocrystal
needs to demonstrate simultaneous improvement of multiple key pharmaceutical properties …

Polymorphism and crystallization of active pharmaceutical ingredients (APIs)

J Lu, S Rohani - Current Medicinal Chemistry, 2009‏ - ingentaconnect.com
Active pharmaceutical ingredients (APIs), frequently delivered to the patient in the solid-state
as part of an approved dosage form, can exist in such diverse solid forms as polymorphs …

Polymorphism and solvatomorphism 2010

HG Brittain - Journal of pharmaceutical sciences, 2012‏ - Elsevier
Papers and patents that deal with polymorphism (crystal systems for which a substance can
exist in structures defined by different unit cells and where each of the forms has the same …

From crystal structure prediction to polymorph prediction: interpreting the crystal energy landscape

SL Price - Physical Chemistry Chemical Physics, 2008‏ - pubs.rsc.org
Many organic molecules are emerging as having many crystalline forms, including
polymorphs and solvates, as more techniques are being used to generate and characterise …