Items where Author is "Snowden, M.J."

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4-Vinylpyridine ab initio calculations acquisition catalysis catalysts cationic colloidal microgel CDAP chemical modification chirality co-polymer co-polymer microgels colloidal microgels column liquid chromatography compositional analysis Continuous extrusion crosslinked pullulan cyclic di-amino acid peptides Deformation detector calibration dissolution dynamic nuclear polarization method edible film ELSD enantiomeric excess evaporative light-scattering detector fracture toughness freeze-dried materials glycine Heckel equation imidazolide coupling Inorganic excipients isothermal titration calorimetry LC-MS/MS assays Linear regression mechanical properties microgel swelling behavior monomer composition nanoindentation NMR spectroscopy particle size pharmaceutical -------------------------------------------------------------------------------- pharmaceutical crystals polyelectrolyte polysaccharide pullulan potentiometric titration powder flow behaviour protonation QSPR relaxation salt formation single crystals Solid dispersions solid state Raman spectra surface energy thermodynamic considerations times True density vibrational spectra X-ray crystallography xylose Yield pressure

Number of items: 65.

4-Vinylpyridine

Seidel, J., Pinkrah, V.T., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Chowdhry, B.Z. and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2004) Isothermal titration calorimetric studies of the acid-base properties of poly (N-isopropylacrylamide-co-4-vinylpyridine) cationic polyelectrolyte colloidal microgels. Thermochimica Acta, 414 (1). pp. 47-52. ISSN 0040-6031 (doi:10.1016/j.tca.2003.11.012)

ab initio calculations

Mendham, Andrew P., Dines, Trevor J., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692, Withnall, Robert and Chowdhry, Babur Z. (2009) IR/Raman spectroscopy and DFT calculations of cyclic di-amino acid peptides. Part III: comparison of solid state and solution structures of cyclo(L-Ser-L-Ser). Journal of Raman Spectroscopy, 40 (11). pp. 1508-1520. ISSN 0377-0486 (Print), 1097-4555 (Online) (doi:10.1002/jrs.2306)

acquisition

Day, I.J., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 and Davis, A.L. (2008) Investigation of the potential of the dissolution dynamic nuclear polarization method for general sensitivity enhancement in small-molecule NMR spectroscopy. Applied Magnetic Resonance, 34 (3-4). pp. 453-460. ISSN 0937-9347 (Print), 1613-7507 (Online) (doi:10.1007/s00723-008-0122-8)

catalysis

Morao, I., Higginson, P.D., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2005) GRIND-based QSPR method to predict the enantiomeric excess in catalysis. Journal of Pharmacy and Pharmacology, 57 (S1). S31-S31. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235705778248343)

catalysts

Dunn, P.J., Hoffmann, W., Kang, Y., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2005) A comparison of catalysts to promote imidazolide couplings including the identification of 2-hydroxy-5-nitropyridine as a new, safe and effective catalyst. Journal of Pharmacy and Pharmacology, 57 (S1). S32-S33. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235705778248451)

cationic colloidal microgel

CDAP

chemical modification

Gibson, G.H., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 and Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 (2004) Chemical modification of the edible film polysaccharide pullulan. Journal of Pharmacy and Pharmacology, 56 (S1). pp. 50-51. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235704777489249)

chirality

Johnson, M.N., Feeder, N., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 and Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 (2004) Effects of chirality on the salt formation of histidine. Journal of Pharmacy and Pharmacology, 56 (S1). pp. 24-25. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235704777489212)

co-polymer

co-polymer microgels

Nur, H., Cornelius, V.J., Benée, L.S., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Day, I.J. and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2009) Semi-quantitative analysis of the monomer composition in co-polymer microgels using solid state Raman and NMR spectroscopy. Analyst, 134 (7). pp. 1366-1372. ISSN 0003-2654 (Print), 1364-5528 (Online) (doi:10.1039/B816792C)

colloidal microgels

Gracia, L.H., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692, Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Humphrey, M.J. (2005) The structural and compositional analysis of colloidal microgels and their development as controlled absorption/release devices. Journal of Pharmacy and Pharmacology, 57 (S1). S61-S62. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235705778248460)

Pinkrah, V.T., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692, Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Seidel, J., Chowdhry, B.Z. and Fern, G.R. (2003) Physicochemical properties of poly(N-isopropylacrylamide-co-4-vinylpyridine) cationic polyelectrolyte colloidal microgels. Langmuir, 19 (3). pp. 585-590. ISSN 0743-7463 (Print), 1520-5827 (Online) (doi:10.1021/la026283l)

column liquid chromatography

Mathews, B.T., Higginson, P.D., Lyons, R., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Sach, N.W., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692, Taylor, M.R. and Wright, A.G. (2004) Improving quantitative measurements for the evaporative light scattering detector. Chromatographia, 60 (11-12). pp. 625-633. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1365/s10337-004-0441-3)

compositional analysis

Continuous extrusion

Maniruzzaman, M., Nair, A., Scoutaris, N., Bradley, Michael S.A., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 and Douroumis, D. ORCID: https://orcid.org/0000-0002-3782-0091 (2015) One-step continuous extrusion process for the manufacturing of solid dispersions. International Journal of Pharmaceutics Special Issue on "Continuous Manufacturing and Process Analytical Tools”, 496 (1). pp. 42-51. ISSN 0378-5173 (Print), 1873-3476 (Online) (doi:10.1016/j.ijpharm.2015.09.048)

crosslinked pullulan

Gibson, G.H., Auffret, A.D., Humphrey, M.J., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2005) Synthesis and characterisation of hydrophobically modified and crosslinked pullulan with enhanced viscosity characteristics. Journal of Pharmacy and Pharmacology, 57 (S1). S62-S62. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235705778248460)

cyclic di-amino acid peptides

Deformation

Hooper, D., Clarke, F.C., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2016) A modern approach to the Heckel Equation: The effect of compaction pressure on the yield pressure of ibuprofen and its sodium salt. Journal of Nanomedicine and Nanotechnology, 7 (381). p. 2. ISSN 2157-7439 (Online) (doi:10.4172/2157-7439.1000381)

detector calibration

dissolution

dynamic nuclear polarization method

edible film

ELSD

enantiomeric excess

evaporative light-scattering detector

fracture toughness

Taylor, L.J., Papadopoulos, D.G., Dunn, P.J., Bentham, A.C., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2004) Mechanical characterisation of powders using nanoindentation. Powder Technology, 143-4. pp. 179-185. ISSN 0032-5910 (doi:10.1016/j.powtec.2004.04.012)

freeze-dried materials

Fei, D., Auffrett, A.D., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2004) The study of the reaction between xylose and glycine in freeze-dried materials. Journal of Pharmacy and Pharmacology, 56 (S1). S24-S24. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235704777489212)

glycine

Heckel equation

imidazolide coupling

Inorganic excipients

isothermal titration calorimetry

LC-MS/MS assays

Alfazema, L.N., Richards, D.S., Gelebart, S., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2005) Achieving high accuracy and precision in LC-MS/MS assays for pharmaceutical analysis. Journal of Pharmacy and Pharmacology, 57 (S1). S47-S47. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235705778248613)

Linear regression

mechanical properties

Taylor, L.J., Papadopoulos, D.G., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2004) Influence of particle size on mechanical properties of pharmaceutical crystals. Journal of Pharmacy and Pharmacology, 56 (S1). p. 37. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235704777489302)

microgel swelling behavior

Pinkrah, V.T., Beezer, A.E., Chowdry, B.Z., Gracia, L.H., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2004) Thermodynamic considerations of microgel swelling behavior. Langmuir, 20 (20). pp. 8531-8536. ISSN 0743-7463 (Print), 1520-5827 (Online) (doi:10.1021/la035765+)

monomer composition

nanoindentation

Taylor, L.J., Papadopoulos, D.G., Dunn, P.J., Bentham, A.C., Dawson, N.J., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2004) Predictive milling of pharmaceutical materials using nanoindentation of single crystals. Organic Process Research & Development, 8 (4). pp. 674-679. ISSN 1083-6160 (Print), 1520-586X (Online) (doi:10.1021/op0300241)

NMR spectroscopy

particle size

Narishetty, S., Humphrey, M.J., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Papadopoulos, D., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 and Ticehurst, M.D. (2004) Influence of particle size on surface energy components of inhalation grade lactose. Journal of Pharmacy and Pharmacology, 56 (S1). p. 22. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235704777489212)

pharmaceutical --------------------------------------------------------------------------------

pharmaceutical crystals

polyelectrolyte

polysaccharide pullulan

potentiometric titration

powder flow behaviour

Gururajan, B., Bentham, A.C., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692 (2005) Mapping powder flow behaviour at different pharmaceutical processing stage. Journal of Pharmacy and Pharmacology, 57 (S1). S66-S66. ISSN 0022-3573 (Print), 2042-7158 (Online) (doi:10.1211/002235705778248604)