References
- Cole G, Hogan J, Aulton M. Pharmaceutical coating technology. Informa Health Care, ISBN:10:0136628915 1995.
- Johnson JL. Pharmaceutical Tablet Coating. In: Tracton Arthur, A (eds.). Coatings materials and surface coatings. Taylor and Francis Group, FL: CRC Press; 2007. pp 67-1–67-3.
- Porter SC, Bruno CH. Coating of Pharmceutical Solid-Dosage Forms. In: Lieberman H, Lachman L, Schwartz JB, (eds.) Pharmaceutical dosage forms: tablets; 1989. pp 77–160.
- Pandey P, Song Y, Turton R. Modelling of pan-coating processes for pharmaceutical dosage forms. In: Salman AD, Hounslow MJ, Seville JPK, (eds.). Handbook of powder technology, granulation; 2007. pp 377–416.
- Henein H, Brimacombe J, Watkinson A. Experimental study of transverse bed motion in rotary kilns. Metallur Mater Trans 1983;14:191–197.
- Khakhar D, McCarthy J, Shinbrot T, Ottino JM. Transverse flow and mixing of granular materials in a rotating cylinder. Phys Fluids 1997;9:31–43.
- Chang RK, Leonzio M. Effect of run time on the inter-unit uniformity of aqueous film coating applied to glass beads in a hi-coater. Drug Dev Ind Phar 1995;21:1895–1899.
- Fourman GL, Hines CW, Hritsko RS. Assessing the uniformity of aqueous film coatings applied to compressed tablets. Pharm Technol 1995;19:70–76.
- Leaver TM, Shannon HD, Rowe RC. A photometric analysis of tablet movement in a side-vented perforated drum (Accela-Cota). J Pharm Pharmacol 1985;37:17–21.
- Sahni E, Yau R, Chaudhuri B. Understanding granular mixing to enhance coating performance in a pan coater: experiments and simulations. Powder Tech 2011;205:231–241.
- Pandey P, Turton R. Movement of different-shaped particles in a pan-coating device using novel video-imaging techniques. AAPS PharmSciTech 2005;6:E237–E244.
- Sandadi S, Pandey P, Turton R. In-situ, near real-time acquisition of particle motion in a rotating pan coating equipment using imaging techniques. Chem Eng Sci 2004;59:5807–5817.
- Tobiska S, Kleinebudde P. Coating uniformity and coating efficiency in a Bohle Lab-Coater using oval tablets. Eur J Pharm Biopharm 2003;56:3–9.
- Prater DA, Wilde JS, Meakin BJ. A model system for the production of aqueous tablet film coatings for laboratory evaluation. J Pharm Pharmacol 1980;32:90.
- Yamane K, Sato T, Tanaka T, Tsuji Y. Computer simulation of tablet motion in coating drum. Pharm Res 1995;12:1264–1268.
- Denis C, Hemati M, Chulia D, Lanne JY, Buisson B, Daste G, Elbaz F. A model of surface renewal with application to the coating of pharmaceutical tablets in rotary drums. Powder Tech 2003;130:174–180.
- Kalbag A, Wassgren C, Penumetcha SS, Pérez-Ramos J. Inter-tablet coating variability: residence times in a horizontal pan coater. Chem Eng Sci 2008;63:2881–2894.
- Skultety PF, Rivera D, Dunleavy J, Lin CT. Quantitation of the amount and uniformity of aqueous film coating applied to tablets in a 24” Accela-Cota. Drug Dev Ind Pharm 1988;14:617–631.
- Wilson K, Crossman E. Influence of tablet shape and pan speed on intra-tablet film coating uniformity. Drug Dev Ind Pharm 1997;23:1239–1243.
- Agrawala P, Liebowitz S. Optimization of quantitative aqueous film coating process. Pharm Res 1993;61:255–277.
- Bueb W, Warnke G, Bauer K. Tablet coating methods for very small batches and their suitability for scaling-up. Drug Dev Ind Pharm 1994;20:1555–1569.
- Mancoff W. Film coating compressed tablets in a continuous process. In: Pharmaceutical Technology Tableting & Granulation Yearbook October; 1998. pp 12–18.
- Porter S, Saraceni K. Opportunities for cost containment in aqueous film coating. Pharm Tech 1988;12:62–76.
- Ridgway K, Segovia E. The use of diffusion theory for the assessment of mixing in a rotary coating pan. J Pharm Pharmacol 1968;20:Suppl:194S+.
- Twitchell A, Hogan J, Aulton M. The behaviour of film coating droplets on their impingement onto uncoated and coated tablets. STP Pharma Sciences 1995;5:190–195.
- Zhou J, Williams T, Swopes H, Hale T. Determination of tablet coating distribution by deconvolution of uncoated and coated tablet weight distributions. Pharm Res 1996;13:381–386.
- Buchanan BR, Baxter MA, Chen TS, Qin XZ, Robinson PA. Use of near-infrared spectroscopy to evaluate an active in a film coated tablet. Pharm Res 1996;13:616–621.
- Fukushima E. Nuclear magnetic resonance as a tool to study flow. Ann Rev Fluid Mech 1999;31:95–123.
- Jones J, Bridgwater J. A case study of particle mixing in a ploughshare mixer using positron emission particle tracking. Int J Min Proces 1998;53:29–38.
- Chester A, Kowalski J, Coles M, Muegge E, Muzzio F, Brone D. Mixing dynamics in catalyst impregnation in double-cone blenders. Powder Tech 1999;102:85–94.
- Caprihan A, Fukushima E. Flow Measurements by NMR. Phys Rep 1990;198:195–235.
- Nakagawa M, Altobelli S, Caprihan A, Fukushima E, Jeong E. Noninvasive measurements of granular flows by magnetic resonance imaging. Exp Fluid 1993;16:54–60.
- Ristow GH. Dynamics of granular material in a rotating drum. Europhys Lett 1996;34:263–268.
- Parker D, Broadbent C, Fowles P, Hawkesworth M, McNeil P. Positron emission particle tracking - a technique for studying flow within engineering equipment. Nucl Instrum Meth Physics Res 1993;A326:592–607.
- Parker DJ, Dijkstra AE, Martin TW, Seville JPK. Positron emission particle tracking studies of spherical particle motion in rotating drums. Chem Eng Sci 1997;52:2011–2022.
- Heinämäki J, Ruotsalainen M, Lehtola VM, Antikainen O, Yliruusi J. Optimization of aqueous-based film coating of tablets performed by a side-vented pan-coating system. Pharm Dev Technol 1997;2:357–364.
- Kennedy JP, Niebergall PJ. Preliminary assessment of an image analysis method for the evaluation of pharmaceutical coatings. Pharm Dev Technol 1997;2:205–212.
- Puyvelde Van D, Young B, Wilson M, Schmidt S. Experimental determination of transverse mixing kinetics in a rolling drum by image analysis. Powder Tech 1999;106:183–191.
- Jain N, Ottino J, Lueptow R. An experimental study of the flowing granular layer in a rotating tumbler. Phys Fluid 2002;14:572–582.
- Saadevandi A, Turton R. The application of computer-based imaging to the measurements of particle velocity and voidage profiles in a fluidized bed .Powder Tech 1998;98:183–189.
- Asok C. Spout-fluid bed technique. Ind Eng Chem Process Des Dev 1970;9:340–341.
- Jian X, Junli T, Weisheng W,Xiaojun B. Minimum spouting velocity in a spout-fluidbed with a draft tube. Can J Chem Eng 2009;87:274–278.
- Hogg R, Cahn D, Healy T, Fuerstenau D. Diffusional mixing in an ideal system. Chem Eng Sci 1966;21:1025–1038.
- Alfnan A. PAT − a framework for innovative pharmaceutical development, manufacturing and quality assurance. 2004. Available at: www.FDA.gov. Accessed on 6 January 2009.
- Kirsch J, Drennen J. Near-Infrared spectroscopic monitoring of the film coating process. Pharm Res 1995;3:234–237.
- Andersson M, Josefson M, Langkilde FW, Wahlund KG. Monitoring of a film coating process for tablets using near infrared reflectance spectrometry. J Pharm Biomed Anal 1999;20:27–37.
- Andersson M, Folestad S, Gottfries J, Johansson MO, Josefson M, Wahlund KG. Quantitative analysis of film coating in a fluidized bed process by in-line NIR spectrometry and multivariate batch calibration. Anal Chem 2000;72:2099–2108.
- Pérez-Ramos JD, Findlay WP, Peck G, Morris KR. Quantitative analysis of film coating in a pan coater based on in-line sensor measurements. AAPS PharmSciTech 2005;6:E127–E136.
- Moes JJ, Ruijken MM, Gout E, Frijlink HW, Ugwoke MI. Application of process analytical technology in tablet process development using NIR spectroscopy: blend uniformity, content uniformity and coating thickness measurements. Int J Pharm 2008;357:108–118.
- Mouget Y, Gosselin P, Tourigny M, Bechard S. Three-dimensional analyses of tablet content and film coating uniformity by laser-induced breakdown spectroscopy (LIBS). Am Lab 2003;35:20–22.
- Madamba MC, Mullet WM, Debnath S, Kwong E. Characterization of tablet film coatings using a laser induced breakdown spectroscopic technique. AAPS Pharm Sci Tech 2007;4:E1–E7.
- Romero-Torresa S, Pérez-RamosbJosé D, Morris KR, Grant ER. Raman spectroscopic measurement of tablet-to-tablet coating variability. J Pharmaceut Biomed Anal 2005;38:270–274.
- Romero-Torres S, Pérez-Ramos JD, Morris KR, Grant ER. Raman spectroscopy for tablet coating thickness quantification and coating characterization in the presence of strong fluorescent interference. J Pharm Biomed Anal 2006;41:811–819.
- Müller J, Knop K, Thies J, Uerpmann C, Kleinebudde P. Feasibility of Raman spectroscopy as PAT tool in active coating. Drug Dev Ind Pharm 2010;36:234–243.
- Ho L, Muller R, Romer M, Gordon KC, Heinamaki J, Kleinebudde P, Pepper M, Rades T, Shen YC, Strachan CJ, Taday PF, Zeitler JA. Analysis of sustained-release tablet film coats using terahertz pulsed imagining. J Contr Release 2007;3:253–261.
- Spencer JA, Gao Z, Moore T, Buhse LF, Taday PF, Newnham DA et al. Delayed release tablet dissolution related to coating thickness by terahertz pulsed image mapping. J Pharm Sci 2008;97:1543–1550.
- Maurer L, Leuenberger H. Terahertz pulsed imaging and near infrared imaging to monitor the coating process of pharmaceutical tablets. Int J Pharm 2009;370:8–16.
- Carstensen JT, Koff A, Johnson JB, Rubin SH. Tablet-to-tablet variation of drug content of sugar-coated tablets containing drug in the sugar coat. J Pharm Sci 1970;59:553–555.
- Cheng XX, Turton R. The prediction of variability occurring in fluidized bed coating equipment. I. The measurement of particle circulation rates in a bottom-spray fluidized bed coater. Pharm Dev Technol 2000;5:311–322.
- Stetsko G, Banker G, Peck G. Mathematical modeling of an aqueous filmcoating process. Pharmaceut Tech 1983;7:50–62.
- Turton R. Challenges in the modeling and prediction of coating of pharmaceutical dosage forms. Powder Tech 2008;181:186–194.
- Pandey P, Song Y, Kahiyan F, Turton R. Simulation of particle movement in a pan coating device using discrete element modeling and its comparison with video-imaging experiments. Powder Tech 2006;161:79–88.
- Sahni E, Chaudhuri B. Experiments and numerical modeling to estimate the coating variability in a pan coater. Int J Pharm 2011;418:286–296.
- Pandey P, Katakdaunde M, Turton R. Modeling weight variability in a pan coating process using Monte Carlo simulations. AAPS PharmSciTech 2006;7:83.
- Kalbag A, Wassgren C. Inter-tablet coating variability: tablet residence time variability. Chem Eng Sci 2009;64:2705–2717.
- Mann U. Coating of particulate solids by air suspension, Ph.D. Thesis, University of Wisconsin, Madison; 1972.
- Mann U, Rubinovitch M, Crosby EJ. Characterization and analysis of continuous recycle systems, AIChE J. 1979;25:873–882.
- Mann U. Analysis of spouted-bed coating and granulation I: batch operation. Ind Eng Chem Proc Des Dev 1983;22:288–292.
- Mann U, Crosby E. Cycle time distribution measurements in spouted beds. Can J Chem Eng 1975;53:579–581.
- Shelukar S, Ho J, Zega J, Roland E, Yeh N, Quiram D, Nole A, Katdare A, Reynolds S. Identification and characterization of factors controlling tablet coating uniformity in a Wurster coating process. Powder Tech 2000;110:29–36.
- Waldie B, Wilkinson D. Measurement of particle movement in a spouted bed using a new microprocessor based technique. Can J Chem Eng 1986;64:944–949.
- Sherony DF. A model of surface renewal with application to fluid bed coating of particles. Chem Eng Sci 1981;36:845–848.
- Wnukowski P, Setterwall F. The coating of particles in a fluidized bed (residence time distribution in a system of two coupled perfect mixers). Chem Eng Sci 1989;44:493–505.
- Liu LX, Litster JD. Coating mass distribution from a spouted bed seed coater: experimental and modeling studies. Powder Tech 1993;74:259–270.
- Eldredge HB, Drown DC. Solids flow and mixing for a fluidized bed coating and calcinations process. Chem Eng Sci 1999;54:1253–1264.
- Metropolis N. The beginning of the Monte Carlo method, Los Alamos Science (1987 Special Issue dedicated to Stanisław Ulam): 1987:125–130. Available at: http://library.lanl.gov/lapubs/00326866.pdf.
- Black J. Particle motion and heat transfer in rotary drums, Ph.D. Thesis Edinburgh University 1988.
- KohavT Richardson, J, Luss D. Axial dispersion of solid particles in a continuous rotary kiln. AIChE J 1995;41:2465–2476.
- Rogers R, Gardner R. A Monte Carlo method for simulating dispersion and transport through horizontal rotating cylinders. Powder Tech 1979;23:159–167.
- Choi MMS, Miesen A. Sulfur coating of urea in shallow spouted beds. Chem Eng Sci 1997;52:1073–1086.
- Nakamura H, Abe E, Yamada N. Coating mass distribution of seed particles in a tumbling fluidized bed coater, Part 2. Monte Carlo simulation of particle coating. Powder Tech 1998;99:140–146.
- Kushaari K, Pandey P, Song Y, Turton R. Monte Carlo simulation to determine coating uniformity in a Wurster fluidized bed coating process. Powder Tech 2006;166:81–90.
- Subramanian G, Turton R, Shelukar S, Flemmer L. The effect of tablet deflectors in the draft tube of fluidized/spouted bed coaters. Ind Eng Chem Res 2003;42:2470–2478.
- Joglekar A, Joshi N, Song Y, Ergun J. Mathematical model to predict coat weight variability in a pan coating process. Pharm Dev Technol 2007;12:297–306.
- Kandela B, Sheorey U, Banerjee A, Bellare J. Study of tablet-coating parameters for a pan coater through video imaging and Monte Carlo simulation. Powder Tech 2010;1:103–112.
- Strack OD, Cundall PA.A Discrete numerical model for granular assemblies. Geotechnique 1979;29:47–65.
- Rothenburg L, Bathurst RJ. Micromechanical features of granular assemblies with planar elliptical particles. Geotechnique 1992;42:79–95.
- Einstein A. Investigations on the Theory of the Brownian Movement. In: Furth R (ed). Translated by Cowper A. London: Methuen, First Edition; 1926.
- Muguruma Y Tanaka, T, Tsuji Y. Numerical simulation of particulate flow with liquid bridge between particles (simulation of centrifugal tumbling granulator). Powder Tech 2000;109:49–57.
- Nase ST, Vargas WL, Abatan AA, McCarthy JJ. Discrete characterization tools for cohesive granular material. Powder Tech 2001;116:214–223.
- Mishra BK,Rajamani RK. The discrete element method for the simulation of ball mills. Appl Math Modeling 1992;16:598–604.
- Walton OR, Braun RL. Proceedings of the Joint DOE/NSF Workshop on the Flow of Particulates and Fluids, 29 September–1 October, 1993 Ithaca, New York. pp 131–148.
- Yamane K, Nakagawa M, Altobelli S, Tanaka T, Tsuji Y. Steady particulate flows in a horizontal rotating cylinder. Phys Fluid 1998;10:1419–1427.
- Song Y, Turton R, Kayihan F. Contact detection algorithms for DEM simulations of tablet-shaped particles. Powder Tech 2006;161:32–40.
- Suzzi D, Radl S, Khinast JG. Local analysis of the tablet coating process: impact of operation conditions on film quality. Chem Eng Sci 2010;65:5699–5715.
- Bhagwant DR, John G, Jim HK. Identification of critical process variables for coating actives onto tablets via statistically designed experiments. Int J Pharm 2002;237:87–94.