Polymorphic control and scale-up strategy for antisolvent crystallization using direct nucleation control

I Ostergaard, B Szilagyi, HL De Diego, H Qu… - Crystal Growth & …, 2020 - ACS Publications
In this work, a scale-up strategy based on the principles of direct design and quality-by-
control (QbC) was applied and investigated using direct nucleation control (DNC). Process …

Polymorphic control and scale-up strategy for antisolvent crystallization using a sequential supersaturation and direct nucleation control approach

I Ostergaard, B Szilagyi, HL De Diego, H Qu… - Crystal Growth & …, 2020 - ACS Publications
In this work, a rapid direct design approach for crystallization processes was implemented
using the novel Quality-by-Control (QbC) framework by sequentially applying antisolvent …

Polymorphic control and scale-up strategy for crystallization from a ternary antisolvent system by supersaturation control

I Ostergaard, B Szilagyi, ZK Nagy… - Crystal Growth & …, 2019 - ACS Publications
Antisolvent crystallization of indomethacin (IMC) was investigated in this work by using an
acetone–methanol (66.5–33.5 wt%) mixture as solvent and water as antisolvent. Selecting …

Model-based optimal strategies for controlling particle size in antisolvent crystallization operations

SM Nowee, A Abbas, JA Romagnoli - Crystal Growth and Design, 2008 - ACS Publications
In this paper, a model-based optimal strategy is presented for the control of particle size in
antisolvent crystallization. Size is controlled on demand by dynamic optimization using a …

Use of Wet Milling Combined with Temperature Cycling to Minimize Crystal Agglomeration in a Sequential Antisolvent–Cooling Crystallization

Z Sun, JL Quon, CD Papageorgiou… - Crystal Growth & …, 2022 - ACS Publications
The objective of the research was to improve the process design of a combined antisolvent–
cooling crystallization to reduce the degree of agglomeration of a real active pharmaceutical …

[HTML][HTML] Anti-solvent crystallization: Particle size distribution with different devices

K Madane, VV Ranade - Chemical Engineering Journal, 2022 - Elsevier
Particle size distribution (PSD) is one of the critical attributes of crystals. PSD not only
influences downstream processes but also controls final product performance in …

Novel, calibration-free strategies for supersaturation control in antisolvent crystallization processes

D Duffy, M Barrett, B Glennon - Crystal growth & design, 2013 - ACS Publications
In-situ attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy and
focused-beam reflectance measurement (FBRM) were used to monitor and control the …

On‐line control of crystal properties in nonisothermal antisolvent crystallization

N Ghadipasha, JA Romagnoli, S Tronci… - AIChE Journal, 2015 - Wiley Online Library
The issues regarding the design and implementation of on‐line optimal control strategies of
crystal properties in nonisothermal antisolvent crystallization processes to control particles' …

A modeling approach for the non‐isothermal antisolvent crystallization of a solute with weak temperature dependent solubility

DJ Widenski, A Abbas… - Crystal Research and …, 2012 - Wiley Online Library
Antisolvent crystallization is a crystallization technique, which is normally operated
isothermally. However, non‐isothermal operation is on occasions performed for solutes that …

Risk-based operation of a continuous mixed-suspension-mixed-product-removal antisolvent crystallization process for polymorphic control

I Ostergaard, HL De Diego, H Qu… - … Process Research & …, 2020 - ACS Publications
Innovations in the continuous crystallization field are required for the pharmaceutical
industry to go through the paradigm shift from batch to continuous processing. To do so …