scholarly journals Definition of a Solvent System for Spherical Crystallization of Salbutamol Sulfate by Quasi‐Emulsion Solvent Diffusion (QESD) Method

2001 ◽  
Vol 90 (10) ◽  
pp. 1620-1627 ◽  
Author(s):  
M. Nocent ◽  
L. Bertocchi ◽  
F. Espitalier ◽  
M. Baron ◽  
G. Couarraze
2020 ◽  
Vol 20 (2) ◽  
pp. 934-947 ◽  
Author(s):  
Joseph A. Oliva ◽  
Wei-Lee Wu ◽  
Michael R. Greene ◽  
Kanjakha Pal ◽  
Zoltan K. Nagy

2012 ◽  
Vol 62 (1) ◽  
pp. 1-14 ◽  
Author(s):  
Borut Kovačič ◽  
Franc Vrečer ◽  
Odon Planinšek

Spherical crystallization of drugs Spherical crystallization of drugs is the process of obtaining larger particles by agglomeration during crystallization. The most common techniques used to obtain such particles are spherical agglomeration and quasi-emulsion solvent diffusion. Ammonia diffusion systems and crystallo-co-agglomeration are extensions of these techniques. By controlling process parameters during crystallization, such as temperature, stirring rate, type and amount of solvents, or excipient selection, it is possible to control the formation of agglomerates and obtain spherical particles of the desired size, porosity, or hardness. Researchers have reported that the particles produced have improved micromeritic, physical, and mechanical properties, which make them suitable for direct compression. In some cases, when additional excipients are incorporated during spherical crystallization, biopharmaceutical parameters including the bioavailability of drugs can also be tailored.


2020 ◽  
Vol 17 (4) ◽  
pp. 1387-1396 ◽  
Author(s):  
Hongbo Chen ◽  
Shubhajit Paul ◽  
Hongyun Xu ◽  
Kunlin Wang ◽  
Mahesh K. Mahanthappa ◽  
...  

1997 ◽  
Vol 15 (0) ◽  
pp. 159-169
Author(s):  
Fabienne Espitalier ◽  
Béatrice Biscans ◽  
Claude Laguerie ◽  
Michel Deleuil

2019 ◽  
Vol 484 (1) ◽  
pp. 52-55
Author(s):  
N. M. Bazhin ◽  
V. N. Parmon

This work proposes the term “hydroosmotic pressure” to define hydrostatic pressure emerging from an osmotic process during solvent diffusion through membranes. The usage of this term potentially clears the ambiguity of the term “osmotic pressure,” referring to the concentration of dissolved solids in a solution regardless of the existence of hydrostatic pressure. Hydroosmotic pressure is the difference between hydrostatic pressures on either side of the membrane; thus, the term “hydroosmotic pressure” allows for the most correct definition of many processes associated with osmotic phenomena.


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