Development of hot-melt extrusion as a novel technique for the ...

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Supp. Fig. 4: O 1s BE peaks for L100-55, DPD and DPD/L100-55 formulations.175 | P a g e
445 ms 345 ms 265 ms 185 ms 125 ms 65 ms 5 msSupp. Fig. 5: Part, 1 H T 1 spectra (aromatic region) for the propanolol HCl/ EudragitL-100 formulation.176 | P a g e
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DECLARATION“I certify that this w
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taste masking effect of the process
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CHAPTER 2: DISSOLUTION ENHANCEMENT
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3.2 Powder and ODT characterization
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3.7 In vitro drug release profiles
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3.1 Solubility parameters and extru
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polymers.7.2 DSC findings of all AP
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2.4b Diffractograms of FMT formulat
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4.3 Schematic representation of the
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55 exrudates (b) DPD/L100-55 PM (c)
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8.5d A plot of the logarithm of HCS
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L100Eudragit L100L100-55 Eudragit L
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Maniruzzaman M, Rai D, Boateng JS.
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Maniruzzaman M, Boateng JS, Bonnefi
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CHAPTER 1: INTRODUCTION1.0 Backgrou
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Table 1.1: HME and other convention
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homogenize but also compress the ex
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properties of polymers and excipien
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particles‘ wettability [46] . A v
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Table 1.2: Different hot-melt extru
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1.8 Aims and objectivesThe purpose
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29. Zheng X, Yang R, Tang X and Zhe
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56. International Conference on Har
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CHAPTER 2: DISSOLUTION ENHANCEMENT
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Fdid ,Vi F2pip , p( Ehi/ ViVi )i =
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used. Each sample was scanned from
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Furthermore, by means of thermodyna
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3.2 Particle size morphology and pa
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Fig. 2.4a: Diffractograms of INM fo
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However, the DSC thermograms of the
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Fig. 2.5b: DSC thermograms of INM a
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Fig. 2.5e: DSC thermograms of FMT a
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Nevertheless, more than 80% FMT was
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6. Caron V, Tajber L, Corrigan OI,
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CHAPTER 3: DEVELOPMENT AND EVALUATI
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2.2 Hot-Melt extrusionHot-melt extr
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Committee of the University of Gree
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The PM of formulation II (40% IBU)
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Fig. 3.3: DSC thermograms of pure I
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As a general rule, the powder compr
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Fig. 3.4: Schematic diagram of ODT
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Fig. 3.5: Schematic diagram of ODTs
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Fig. 3.7: Schematic diagram of ODTs
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F2 0 0.5 0 1 0 1F6 0 0.5 0 1 0 2F7
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6. M.F. Al-Omran, S.A. Al-Suwayeh,
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30. L. Saerens, L. Dierickx, B. Len
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leading to significant variations w
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2.6. In vitro drug release studiesI
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v2d 2p(4.1)Table 4.1: Calculated so
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The observed melting peaks are shif
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Fig. 4.2a: Powder XRPD patterns of
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Interestingly, no difference was ob
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7 Astree sensors Taste masking effi
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The in vitro e-tongue evaluation wa
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3. K. Woertz, C. Tissen, P. Kleineb
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25. B.C. Hancock, P. York, R.C. Row
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CHAPTER 5: AN IN VIVO AND IN VITRO
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(dispersion forces and polarization
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Table 5.1: Sample preparation for t
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Table 5.2: Solubility parameters ca
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Physical mixtures (PM) and extruded
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Fig. 5.2c: Thermograms of CTZ and V
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masking effect for active concentra
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Fig. 5.5b: Distance and discriminat
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Table 5.4: Mean standard deviation
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Fig. 5.6b: Release profiles of VRP
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17. Woertz K,Tissen C, Kleinebudde
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scale or lower. XPS is more accurat
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patterns were identified after ener
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3.3 Differential scanning calorimet
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Fig. 6.3a: Diffractograms of PRP fo
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good agreement with the anticipated
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Since L100 contained higher proport
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at ~533.01 eV is the combination of
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Finally, the XPS analysis confirmed
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Fig. 6.6b: 1 H NMR spectra of all P
Page 158 and 159: 6) Bonferoni, M.C.; Rossi, S.; Ferr
Page 160 and 161: 26) Vandencasteele, N.; Reniers, F.
Page 162 and 163: Gibbs free energy change before and
Page 164 and 165: 2.5 Hot-melt extrusion (HME) proces
Page 166 and 167: 2.11 X-ray photoelectron spectrosco
Page 168 and 169: Table 7.2: DSC findings of all APIs
Page 170 and 171: 3.4 In vivo and in vitro taste mask
Page 172 and 173: Fig. 7.3c: Normalised DI (%) of all
Page 174 and 175: Table 7.4: Binding energy calculati
Page 176 and 177: PRP/ polymers extruded in compariso
Page 178 and 179: atom as NH + 4 . This observed N 1s
Page 180 and 181: 8.0 ConclusionsThe presence of inte
Page 182 and 183: 20. Davies MC, Wilding IR, Short RD
Page 184 and 185: CHAPTER 8: SUSTAINED RELEASE HYDROC
Page 186 and 187: 2.3 Preparation of formulation blen
Page 188 and 189: medium pH was maintained as 1.2 by
Page 190 and 191: Fig. 8.1: SEM images of [(a), (b)]
Page 192 and 193: Fig. 8.2b: DSC transitions of HCS/E
Page 194 and 195: in the range of 10-12 kP. However,
Page 196 and 197: ate and time on the basis of Eq. (8
Page 198 and 199: Fig. 8.5c: A plot of the cubic root
Page 200 and 201: when n > 0.89. From the results of
Page 202 and 203: 14. Lam PL, Lee KKH,Wong RSM, Cheng
Page 204 and 205: Furthermore, HME has successfully b
Page 206 and 207: Supp. Fig. 2: XPS O 1s peaks for PR
Page 210 and 211: 8.2 s 6.2 s 3.8 s 1.8 s 200 msS
Page 212 and 213: 12.2 s 9.0 s 6.2 s 3.8 s 1.8 s
Page 214 and 215: Supplementary table 1: Solubility p
Page 216 and 217: N = 55000/ 219.2 = 250.912Density:
Page 218 and 219: (4) Eudragit L100, N = (125000/202
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