A continuous extrusion process at various IND/excipient blend ratios (20%, 30% and 40%) was performed using a twin-screw extruder. 
Twin-screw extruder
Physicochemical characterization carried out by SEM, DSC, and XRPD demonstrated the presence of IND in amorphous nature within the porous network of the inorganic material for all extruded formulations. 
SEM
Physicochemical characterization carried out by SEM, DSC, and XRPD demonstrated the presence of IND in amorphous nature within the porous network of the inorganic material for all extruded formulations. 
DSC
Physicochemical characterization carried out by SEM, DSC, and XRPD demonstrated the presence of IND in amorphous nature within the porous network of the inorganic material for all extruded formulations. 
XRPD
Further, AFM and FTIR studies revealed a single-phase amorphous system and intermolecular H-bonding formation. 
AFM
Further, AFM and FTIR studies revealed a single-phase amorphous system and intermolecular H-bonding formation. 
FTIR