Abstract The application range of aerogels, especially in the life-science sector, can be extended by utilizing biocompatible polymers such as polylactic acid (PLA). However, low glass transition temperature (Tg) PLA and challenging gelation techniques limit supercritical CO 2 (scCO ) drying thus PLA-aerogel production. aim this work is to overcome challenge provide a better understanding therm...

Co-spraying active pharmaceutical ingredients (APIs) with excipients is a strategy to create excipient matrices containing API particles address formulation challenges such as the reconstitution of powders into homogeneous suspensions. In this work, indomethacin and naproxen were co-sprayed with/without sorbitol using supercritical CO2-assisted spray drying (SASD), followed by particle collecti...

Silica-based aerogels bearing a novel aminophosphonate-containing substituent were prepared. Pd2+ and Cu2+ ions introduced into aerogel matrix to form chelated complexes with aminophosphonate moiety. Both securely retain Me2+ after supercritical drying (SCD) in CO2. In silica matrix, Pd complex is reduced metallic treatment by gaseous H2 at 120 °C. lyogel can also be upon SCD isopropanol. Pd-co...

Extraction yields and fatty acid profiles from freeze-dried Chlorella vulgaris by microwave pretreatment followed by supercritical carbon dioxide (MW-SCCO(2)) extraction were compared with those obtained by supercritical carbon dioxide extraction alone (SCCO(2)). Work performed with pressure range of 20-28 Mpa and temperature interval of 40-70 °C, gave the highest extraction yield (w/w dry weig...

Cobalt blue pigments, which mainly comprise CoAl2O4, are widely synthesized as nano-scale particles using the coprecipitation method. Such ultrafine powders necessary for ceramics industry because of their significant effect on color glaze and bulk tiles. In this paper, cobalt pigments have been prepared method then subjected to supercritical fluid drying. The differences in physicochemical opt...

Developing novel, energy-saving, and facile approaches to constructing high-performance aerogels is still challenging. Aerogels are most commonly produced by freeze-drying supercritical drying that require expensive specialty equipment or ambient lengthily of solvent exchange precursors. Here, we report a compensation strategy using acrylamide as an assisting solute enable the construction cond...

Summary Removal of lumen water by dewatering using supercritical CO 2 offers an alternative method to mitigate cellular collapse in susceptible hardwoods compared conventional timber drying methods. The anatomy Eucalyptus nitens was quantitatively measured light microscopy, SEM and micro-CT provide understanding the mechanism during drying. These measurements were then used recalibrate a previo...

Production of renewable and modified starch-based products was achieved using a sustainable catalyst an environmentally friendly drying process via supercritical CO2. Potato starch green esterification with acetic anhydride reagent implementing novel organocatalytic pathway at different periods time (0.5, 3 7 h) by applying reaction 120°C targeting intermediate degrees substitution (i.e., 0.2 <...