References
- Jones BE. (2001). The filling of powders into two-piece hard capsules. Int J Pharm, 227:5–26.
- Stegemann S. (2002). Hard Gelatin Capsules Today and Tomorrow. Capsugel Bornem: Capsugel Library.
- Gohil UC, Podczeck F, Turnbull N. (2004). Investigations into the use of pregelatinised starch to develop powder-filled hard capsules. Int J Pharm, 285:51–63.
- Podczeck F, Lee-Amies G. (1996). The bulk volume changes of powders by granulation and compression with respect to capsule filling. Inter J Pharm, 142:97–102.
- Tan SB, Newton JM. (1990). Powder flowability as an indication of capsule filling performance. Int J Pharm, 61:145–155.
- Irwin GM, Dodson GJ, Ravin LJ. (1970). Encapsulation of clomacran phosphate [2-chloro-9[3-(dimethylamino) propyl]acridan phosphate] I. Effect of flowability of powder blends, lot-to-lot variability, and concentration of active ingredient on weight variation of capsules filled on an automatic capsule-filling machine. J Pharm Sci, 59:547–550.
- Newton JM, Bader F. (1987). The angle of internal flow as an indicator of filling and drug release properties of capsule formulations. J Pharm Pharmacol, 39:164–168.
- Podczeck F, Blackwell S, Gold M, Newton JM. (1999). The filling of granules into hard gelatine capsules. Int J Pharm, 188:59–69.
- Freeman T, Moolchandani V, Hoag SW, Fu X. (2011). Capsule filling performance of powdered formulations in relation to flow characteristics. In: Wu C-Y, Ge W, eds. Particulate Materials: Synthesis, Characterisation, Processing and Modelling. Cambridge, UK: Royal Society of Chemistry, 131–136.
- Guo M, Muller FX, Augsburger LL. (2002). Evaluation of the plug formation process of silicified microcrystalline cellulose. Int J Pharm, 233:99–109.
- Hogan J, Shue PI, Podczeck F, Newton JM. (1996). Investigations into the relationship between drug properties, filling, and the release of drugs from hard gelatin capsules using multivariate statistical analysis. Pharm Res, 13:944–949.
- Jolliffe IG, Newton JM. (1982). Practical implications of theoretical consideration of capsule filling by the dosator nozzle system. J Pharm Pharmacol, 34:293–298.
- Jolliffe IG, Newton JM, Walters JK. (1980). Theoretical considerations of the filling of pharmaceutical hard gelatin capsule. Powder Tech, 27:189–195.
- Nair R, Vemuri M, Agrawala P, Kim SI. (2004). Investigation of various factors affecting encapsulation on the in-cap automatic capsule-filling machine. AAPS PharmSciTech, 5:e57.
- Newton JM, Bader F. (1981). The prediction of the bulk densities of powder mixtures, and its relationship to the filling of hard gelatin capsules. J Pharm Pharmacol, 33:621–626.
- Newton JM, Tan SB. (1900). Minimum compression stress requirements for arching and powder retention within a dosator nozzle during capsule filling. Inter J Pharm, 63:275–280.
- Podczeck F, Newton JM. (1999). Powder filling into hard gelatine capsules on a tamp filling machine. Int J Pharm, 185:237–254.
- Coni-Snap® - Hard Gelatin Capsules. Capsugel; 2011 [updated 18 October 2011; cited 2012 09 August]; Available at: http://capsugel.com/media/library/ConiSnap_brochure_full.pdf.
- Muzzio FJ, Llusa M, Goodridgea CL, Duonga NH, Shen E. (2008). Evaluating the mixing performance of a ribbon blender. Powder Tech, 186:247–254.
- ASTM Standard D7481 - 09 “Standard Test Methods for Determining Loose and Tapped Bulk Densities of Powders using a Graduated Cylinder”. West Conshohocken, PA2009 [updated 2009; cited 2012 August 28, 2012]; Available at: http://www.astm.org.
- Freeman Technology. FT4 Powder Rheometer System. [updated 2011; cited 2012 March 20]; Available at: http://www.freemantech.co.uk/en/ft4-system/ft4-powder-rheometer.html.
- Alexander AW, Chaudhuri B, Faqih AM, Muzzio FJ, Davies C, Tomassone MS. (2006). Avalanching flow of cohesive powders. Powder Tech, 64:13–21.
- Faqih AM, Alexander AW, Muzzio FJ, Tomassone MS. (2007). A method for predicting hopper flow characteristics of pharmaceutical powders. Chem Eng Science, 62:1536–1542.
- Faqih A, Chaudhuri B, Alexander AW, Davies C, Muzzio FJ, Silvina Tomassone M. (2006). An experimental/computational approach for examining unconfined cohesive powder flow. Int J Pharm, 324:116–127.
- Faqih AM, Chaudhuri B, Alexander AW, Hammond SV, Muzzio FJ, Tomassone MS. (2006). Flow – induced dilation of cohesive granular materials. AIChE J, 52:4124–4134.
- Vasilenko A, Glasser BJ, Muzzio FJ. (2011). Shear and flow behavior of pharmaceutical blends - Method comparison study. Powder Tech, 208:628–636.