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Number of items: 72.

Article

Fazenda, Mariana L and Dias, Joao ML and Harvey, Linda M. and Nordon, Alison and Edrada-Ebel, Ruan and Littlejohn, David and McNeil, Brian (2013) Towards better understanding of an industrial cell factory : investigating the feasibility of real-time metabolic flux analysis in Pichia pastoris. Microbial Cell Factories, 12 (1). pp. 51-59. ISSN 1475-2859

Allan, Pamela and Bellamy, Luke J. and Nordon, Alison and Littlejohn, David and Andrews, John and Dallin, Paul (2013) In situ monitoring of powder blending by non-invasive Raman spectrometry with wide area illumination. Journal of Pharmaceutical and Biomedical Analysis, 76. pp. 28-35. ISSN 0731-7085

Littlejohn, David and Pethrick, Richard A. and Quye, Anita and Ballany, Jane M. (2013) Investigation of the degradation of cellulose acetate museum artefacts. Polymer Degradation and Stability, 98 (1). pp. 416-424. ISSN 0141-3910

Mozharov, Sergey and Nordon, Alison and Littlejohn, David and Marquardt, Brian (2012) Automated cosmic spike filter optimized for process Raman spectroscopy. Applied Spectroscopy, 66 (11). pp. 1326-1333. ISSN 0003-7028

Townshend, Nichola and Nordon, Alison and Littlejohn, David and Myrick, Michael and Andrews, John and Dallin, Paul (2012) Comparison of the determination of a low-concentration active ingredient in pharmaceutical tablets by backscatter and transmission raman spectrometry. Analytical Chemistry, 84 (11). pp. 4671-4676. ISSN 0003-2700

Townshend, Nichola and Nordon, Alison and Littlejohn, David and Andrews, John and Dallin, Paul (2012) Effect of particle properties of powders on the generation and transmission of raman scattering. Analytical Chemistry, 84 (11). pp. 4665-4670. ISSN 0003-2700

Chen, Zeng-Ping and Li, Li-Mei and Jin, Jing-Wen and Nordon, Alison and Littlejohn, David and Yang, Jing and Zhang, Juan and Yu, Ru-Qin (2012) Quantitative analysis of powder mixtures by raman spectrometry : the influence of particle size and its correction. Analytical Chemistry, 84 (9). pp. 4088-4094. ISSN 0003-2700

Hamilton, Peter and Littlejohn, David and Nordon, Alison and Sefcik, Jan and Slavin, Paul (2012) Validity of particle size analysis techniques for measurement of the attrition that occurs during vacuum agitated powder drying of needle-shaped particles. Analyst, 137 (1). pp. 118-125. ISSN 0003-2654

Quye, Anita and Littlejohn, David and Pethrick, Richard A. and Stewart, Robert (2011) Accelerated ageing to study the degradation of cellulose nitrate museum artefacts. Polymer Degradation and Stability, 96 (10). pp. 1934-1939. ISSN 0141-3910

Matousek, Pavel and Everall, Neil and Littlejohn, David and Nordon, Alison and Bloomfield, Matthew (2011) Dependence of signal on depth in transmission raman spectroscopy. Applied Spectroscopy, 65 (7). pp. 724-733. ISSN 0003-7028

Quye, Anita and Littlejohn, David and Pethrick, Richard A. and Stewart, Robert (2011) Investigation of inherent degradation in cellulose nitrate museum artefacts. Polymer Degradation and Stability, 96 (7). pp. 1369-1376. ISSN 0141-3910

Chen, Zeng-Ping and Zhong, Li-Jing and Nordon, Alison and Littlejohn, David and Holden, Megan and Fazenda, Mariana and Harvey, Linda and McNeil, Brian and Faulkner, Jim and Morris, Julian (2011) Calibration of multiplexed fiber-optic spectroscopy. Analytical Chemistry, 83 (7). pp. 2655-2659. ISSN 0003-2700

McIntyre, Allyson C. and Bilyk, Madeleine L. and Nordon, Alison and Colquhoun, Gary and Littlejohn, David (2011) Detection of counterfeit Scotch whisky samples using mid-infrared spectrometry with an attenuated total reflectance probe incorporating polycrystalline silver halide fibres. Analytica Chimica Acta, 690 (2). pp. 228-233. ISSN 0003-2670

Du, Wen and Chen, Zeng-Ping and Zhong, Li-Jing and Wang, Shu-Xia and Yu, Ru-Qin and Nordon, Alison and Littlejohn, David and Holden, Megan (2011) Maintaining the predictive abilities of multivariate calibration models by spectral space transformation. Analytica Chimica Acta, 690 (1). pp. 64-70. ISSN 0003-2670

Mozharov, Sergey and Nordon, Alison and Littlejohn, David and Wiles, Charlotte and Watts, Paul and Dallin, Paul and Girkin, John M. (2011) Improved method for kinetic studies in microreactors using flow manipulation and noninvasive Raman spectrometry. Journal of the American Chemical Society, 133 (10). pp. 3601-3608. ISSN 0002-7863

Castro, M.A. and Aller, A.J. and Faulds, K. and Littlejohn, D. (2011) Characterization of condensed phase beryllium species in the presence of aluminium and silicon matrices during electrothermal heating on graphite and tungsten platforms. Journal of Analytical Atomic Spectrometry, 26 (9). pp. 1722-1732. ISSN 0267-9477

Hamilton, Peter and Littlejohn, David and Nordon, Alison and Sefcik, Jan and Slavin, Paul and Dallin, Paul and Andrews, John (2011) Studies of particle drying using non-invasive Raman spectrometry and particle size analysis. Analyst, 136 (10). pp. 2168-2174. ISSN 0003-2654

Chen, Zeng-Ping and Li, Li-Mei and Yu, Ru-Qin and Littlejohn, David and Nordon, Alison and Morris, Julian and Dann, Alison S. and Jeffkins, Paul A. and Richardson, Mark D. and Stimpson, Sarah L. (2011) Systematic prediction error correction: a novel strategy for maintaining the predictive abilities of multivariate calibration models. Analyst, 136 (1). pp. 98-106. ISSN 0003-2654

Mozharov, Sergey and Nordon, A. and Girkin, John and Littlejohn, D. (2010) Non-invasive analysis in micro-reactors using Raman spectrometry with a specially designed probe. Lab on a Chip, 10 (16). pp. 2101-2107. ISSN 1473-0197

Allan, P. and Bellamy, Luke John and Nordon, A. and Littlejohn, D. (2010) Non-invasive monitoring of the mixing of pharmaceutical powders by broadband acoustic emission. Analyst, 135 (3). pp. 518-524. ISSN 0003-2654

Castro, M.A. and Robles, L.C. and Lumbreras, J.M. and de Celis, B. and Aller, A.J. and Littlejohn, D. (2009) Determination of beryllium by electrothermal atomic absorption spectrometry using tungsten surfaces and zirconium modifier. Analytica Chimica Acta, 636 (2). pp. 158-162. ISSN 0003-2670

Castro, M.A. and Aller, A.J. and Faulds, K. and Littlejohn, D. (2009) Study of the effect of nitric acid and metal-based chemical modifiers on graphite platform surfaces by raman spectrometry. Journal of Analytical Atomic Spectrometry, 24 (8). pp. 1044-1050. ISSN 0267-9477

Puxty, G. and Neuhold, Y.M. and Jecklin, M. and Ehly, M. and Gemperline, P. and Nordon, A. and Littlejohn, D. and Basford, J.K. (2008) Multivariate kinetic hard-modelling of spectroscopic data: a comparison of the esterification of butanol by acetic anhydride on different scales and with different instruments. Chemical Engineering Science, 63 (19). pp. 4800-4809. ISSN 0009-2509

Chen, Z.P. and Fevotte, G. and Caillet, A. and Littlejohn, D. and Morris, J. (2008) Advanced calibration strategy for in situ quantitative monitoring of phase transition processes in suspensions using FT-raman spectroscopy. Analytical Chemistry, 80 (17). pp. 6658-6665. ISSN 0003-2700

Bellamy, L.J. and Nordon, A. and Littlejohn, D. (2008) Effects of particle size and cohesive properties on mixing studied by non-contact NIR. International Journal of Pharmaceutics, 361 (1-2). pp. 87-91. ISSN 0378-5173

Ashe, R. and Littlejohn, D. and Nordon, A. and Allan, P. (2008) Sensing change in batch reactors. Chemical Engineering, 115 (3). pp. 56-59. ISSN 0009-2460

Nordon, A. and Diez-Lazaro, A. and Wong, C.W.L. and McGill, C.A. and Littlejohn, D. and Weerasinghe, M. and Mamman, D.A. and Hitchman, M.L. (2008) Consideration of some sampling problems in the on-line analysis of batch processes by low-field NMR spectrometry. Analyst, 133 (3). pp. 339-347. ISSN 0003-2654

Nordon, A. and Littlejohn, D. and Dann, A.S. and Jeffkins, P.A. and Richardson, M.D. and Stimpson, S.L. (2008) In situ monitoring of the seed stage of a fermentation process using non-invasive NIR spectrometry. Analyst, 133 (5). pp. 660-666. ISSN 0003-2654

Bellamy, Luke J. and Nordon, A. and Littlejohn, D. (2008) Real-time monitoring of powder mixing in a convective blender using non-invasive reflectance NIR spectrometry. Analyst, 133 (1). pp. 58-64. ISSN 0003-2654

Ehly, M. and Gemperline, P.J. and Nordon, A. and Littlejohn, D. and Basford, J.K. and De Cecco, Martin (2007) Scale-up of batch kinetic models. Analytica Chimica Acta, 595 (1-2). pp. 80-88. ISSN 0003-2670

Littlejohn, D. and Castro, M.A. and Aller, A.J. and McCabe, A.F. and Smith, W.E. (2007) Spectrometric study of condensed phase species of thorium and palladium-based modifiers in a complex matrix for electrothermal atomic absorption spectrometry. Journal of Analytical Atomic Spectrometry, 22 (3). pp. 310-317. ISSN 0267-9477

Nordon, A. and Carella, Y. and Gachagan, A. and Littlejohn, D. and Hayward, G. (2006) Factors affecting broadband acoustic emission measurements of a hetrogeneous reaction. Analyst, 131 (2). pp. 323-330. ISSN 0003-2654

Littlejohn, D. and Castro, M.A. and Aller, A.J. and McCabe, A.F. and Smith, W.E. (2005) Spectrometric and morphological characterisation of condensed phase zirconium species produced during electrothermal heating on a graphite platform. Journal of Analytical Atomic Spectrometry, 20. pp. 385-394. ISSN 0267-9477

Nordon, A. and Mills, A. and Burn, R.T. and Cusick, F.M. and Littlejohn, D. (2005) Comparison of non-invasive NIR and Raman spectrometries for determination of alcohol content of spirits. Analytica Chimica Acta, 548. pp. 148-158. ISSN 0003-2670

Nordon, A. and Waddell, R. and Bellamy, L.J. and Gachagan, A. and Littlejohn, D. and Hayward, G. (2005) Monitoring of a heterogeneous reaction by acoustic emission. Analyst, 129 (5). pp. 463-467. ISSN 0003-2654

Gibson, L.T. and Cooksay, B.G. and Littlejohn, D. and Tennent, N.H. and Linnow, K. and Steiger, M. (2005) The mode of formation of thecotrichite, a widespread calcium acetate chloride nitrate efflorescence. Studies in Conservation, 50 (4). pp. 1-10. ISSN 0039-3630

Castro, M A and Faulds, K and Smith, W E and Allers, A J and Littlejohn, D (2004) Characterization of condensed phase species produced during the thermal treatment of metal chlorides on a graphite platform using surface analysis techniques. Spectrochimica Acta Part B-Atomic Spectroscopy, 59 (12). pp. 1935-1942. ISSN 0584-8547

Waddell, R.J.H. and Nic Daeid, N. and Littlejohn, D. (2004) Classification of ecstasy tablets using trace metal analysis with the application of chemometric procedures and artificial neural network algorithms. Analyst, 129. pp. 235-240. ISSN 0003-2654

Littlejohn, D. and Castro, M.A. and Faulds, K.J. and Smith, W.E. and Aller, A.J. (2004) Identification of condensed-phase species on the thermal transformation of alkaline and alkaline earth metal sulphates on a graphite platform. Spectrochimica Acta Part B-Atomic Spectroscopy, 59 (6). pp. 827-39. ISSN 0584-8547

Littlejohn, D. and McGill, C.A. and Ferguson, R.H. and Nordon, A. and Donoghue, K.G. (2003) In-line monitoring of esterification using a miniaturised mid-Infrared spectrometer. Analyst, 128. pp. 1467-1470. ISSN 0003-2654

Nordon, A and Meunier, C and Carr, R H and Gemperline, P J and Littlejohn, D (2002) Determination of the ethylene oxide content of polyether polyols by low-field H-1 nuclear magnetic resonance spectrometry. Analytica Chimica Acta, 472 (1-2). pp. 133-140. ISSN 0003-2670

Waddell, R J H and Littlejohn, D and Nic Daeid, Niamh (2002) Organic and inorganic impurity profiling in illicit ecstasy seizures with the application of principle component analysis. Abstracts of papers - American Chemical Society, 224. U122-U123. ISSN 0065-7727

Nordon, A and Meunier, C and McGill, C A and Littlejohn, D (2002) Comparison of calibration methods for the monitoring of a fluorobenzene batch reaction using low-field F-19 NMR, H-1 NMR, NIR, and Raman spectrometries. Applied Spectroscopy, 56 (4). pp. 515-520. ISSN 0003-7028

McGill, C A and Nordon, A and Littlejohn, D (2002) Comparison of in-line NIR, Raman and UV-visible spectrometries, and at-line NMR spectrometry for the monitoring of an esterification reaction. Analyst, 127 (2). pp. 287-292. ISSN 0003-2654

Littlejohn, D. and Nordon, A. and McGill, C.A. (2002) Evaluation of low-field nuclear magnetic resonance spectrometry for at-line process analysis. Applied Spectroscopy, 56 (1). pp. 75-82. ISSN 0003-7028

Setarehdan, S. and Soraghan, J.J. and Littlejohn, D. and Sadler, D. (2002) Maintenance of a calibration model for near infrared spectrometry by a combined principal component analysis-partial least squares approach. Analytica Chimica Acta, 452 (1). pp. 35-45. ISSN 0003-2670

Nic Daeid, N. and Waddell, R.J.H. and Littlejohn, D. (2002) Preliminary studies identifying and quantifying trace metal impurities in illicit ecstasy tablets using atomic spectrometry techniques. Problems of Forensic Science, 42 (XLVII). pp. 413-417.

Setarehdan, S. and Soraghan, J.J. and Littlejohn, D. and Sadler, D. (2002) Variable selection for partial least squares calibration of NIR data from orthogonally designed experiments. Applied Spectroscopy, 56 (3). pp. 337-345. ISSN 0003-7028

Nordon, Alison and McGill, Colin and Littlejohn, David (2001) Process NMR spectrometry. Analyst, 126 (2). pp. 260-272. ISSN 0003-2654

Nordon, A. and Gemperline, P.J. and McGill, C.A. and Littlejohn, D. (2001) Quantitative analysis of low-field NMR signals in the time domain. Analytical Chemistry, 73 (17). pp. 4286-4294. ISSN 0003-2700

Cooksey, B G and Gibson, L T and Kennedy, A R and Littlejohn, D and Stewart, L and Tennent, N H (1999) Dicalcium triacetate nitrate dihydrate. Acta Crystallographica Section C: Crystal Structure Communications, 55. pp. 324-326. ISSN 0108-2701

Jones, J.C. and McLaughlin, C. and Littlejohn, D. and Sadler, D.A. and Graham, D. and Smith, W.E. (1999) Quantitative assessment of surface-enhanced resonance Raman scattering for the analysis of dyes on colloidal silver. Analytical Chemistry, 71 (3). pp. 596-601. ISSN 0003-2700

Meney, K M and Davidson, C M and Littlejohn, D and Cotton, N J and Fields, B (1998) Extraction of benzene, toluene, ethyl benzene, xylene and cumene from soil using methanol at elevated temperature and pressure. Analytical Communications, 35 (6). pp. 173-175. ISSN 1359-7337

Davidson, C M and Duncan, Ailsa L. and Littlejohn, D and Ure, A M and Garden, L M (1998) A critical evaluation of the three-stage BCR sequential extraction procedure to assess the potential mobility and toxicity of heavy metals in industrially-contaminated land. Analytica Chimica Acta, 363 (1). pp. 45-55. ISSN 0003-2670

Anderson, P and Davidson, C M and Littlejohn, D and Ure, A M and Garden, Louise M. and Marshall, J (1998) Comparison of techniques for the analysis of industrial soils by atomic spectrometry. International Journal of Environmental Analytical Chemistry, 71 (1). pp. 19-40. ISSN 0306-7319

Aldridge, Fred and Gibson, Lorraine and Littlejohn, David (1997) Cabinet pollution. Analysis Europa, 9. pp. 1-5.

Gibson, Lorraine and Littlejohn, David (1997) Characterisation of an unusual efflorescence salt on Egyptian limestone relief. Analytica Chimica Acta, 337 (2). pp. 151-164. ISSN 0003-2670

Gibson, Lorraine and Littlejohn, David (1997) Determination of experimental diffusion coefficients of acetic acid and formic acid vapours in air using a passive sampler. Analytica Chimica Acta, 341. pp. 1-10. ISSN 0003-2670

Gibson, Lorraine and Littlejohn, David (1997) A diffusion tube sampler for the determination of acetic acid and formic acid vapours in ambient air. Analytica Chimica Acta, 341 (1). pp. 11-19. ISSN 0003-2670

Anderson, P and Davidson, C M and Littlejohn, D and Ure, A M and Shand, C A and Cheshire, M V (1997) The translocation of caesium and silver by fungi in some Scottish soils. Communications in Soil Science and Plant Analysis, 28 (6-8). pp. 635-650. ISSN 0010-3624

Anderson, P and Davidson, C M and Littlejohn, D and Ure, A M and Shand, C A and Cheshire, M V (1996) The determination of caesium and silver in soil and fungal fruiting bodies by electrothermal atomic absorption spectrometry. Analytica Chimica Acta, 327 (1). pp. 53-60. ISSN 0003-2670

Belazi, Abd Ulhafid and Davisdon, Christine and Keating, G E and Littlejohn, David (1995) Determination and speciation of heavy metals in sediments from the Cumbrian coast, NW England, UK. Journal of Analytical Atomic Spectrometry, 10 (3). pp. 233-240. ISSN 0267-9477

Pasullean, Benyamin and Davidson, Christine M. and Littlejohn, David (1995) On-line preconcentration of chromium(III) and speciation of chromium in waters by flame atomic absorption spectrometry. Journal of Analytical Atomic Spectrometry, 10 (3). pp. 241-246. ISSN 0267-9477

Shand, Charles A. and Cheshire, M.V. and Smith, S. and Campbell, C.D. and Anderson, P. and Davidson, Christine M. and Littlejohn, David and Jamieson, N. (1995) Radiocaesium in an organic soil and the effect of treatment with the fungicide ‘Captan’. Plant and Soil, 170 (2). pp. 315-322. ISSN 0032-079X

Davidson, Christine and Thomas, Rhodri P. and McVey, Sharon E. and Perala, Reijo and Littlejohn, David and Ure, Allan M. (1994) Evaluation of a sequential extraction procedure for the speciation of heavy metals in sediments. Analytica Chimica Acta, 291 (3). pp. 277-286. ISSN 0003-2670

Anderson, P and Davidson, Christine and Littlejohn, David and Ure, Allan M. and Shand, Charles A. and Cheshire, Martin V. (1994) Extraction of ergosterol from peaty soils and determination by high performance liquid chromatography. Talanta, 41 (5). pp. 711-720. ISSN 0039-9140

Thomas, R P and Ure, Alan M. and Davidson, C.M. and Littlejohn, David and Rauret, G and Rubio, R and López-Sánchez, J F (1994) Three-stage sequential extraction procedure for the determination of metals in river sediments. Analytica Chimica Acta, 286 (3). pp. 423-429. ISSN 0003-2670

Deans, Iain S. and Davidson, Christine and Littlejohn, David and Brown, Ian (1993) Factors affecting solid-phase extraction of semi-volatile organic pollutants from acidic industrial effluent for analysis by gas chromatography. Analyst, 118 (11). pp. 1375-1382. ISSN 0003-2654

Book Section

Wang, Chuangnan and Gachagan, Anthony and Nordon, Alison and Curtis, Robin A. and Littlejohn, David (2011) The characterization of htt products using a combination linear and non-linear ultrasonic techniques. In: 2010 IEEE Ultrasonics Symposium. IEEE, pp. 1160-1163. ISBN 9781457703829

Conference or Workshop Item

Tramontana, M. and Gachagan, A. and Hayward, G. and Nordon, A. and Littlejohn, D. (2007) 4I-3 ultrasonic monitoring of heterogeneous chemical reactions. In: UNSPECIFIED.

Benny, C.G. and Gachagan, A. and Hayward, G. and Nordon, A. and Littlejohn, D. (2007) A wideband ultrasonic test system for characterisation of particulate systems in the linear and non-linear regimes. In: International Congress on Ultrasonics, 2007-04-09 - 2007-04-13, Vienna.

Proceedings Paper

Nordon, Alison and Littlejohn, David and Mozharov, Sergey and Girkin, John (2011) Process analysis in micro-reactors: challenges and solutions with Raman spectrometry. [Proceedings Paper]

This list was generated on Sat Apr 19 10:37:11 2014 BST.