2022

McFarlane, Michael J., Arasaradnam, Ramesh P., Reed, Beryl, Daulton, Emma, Wicaksono, Alfian, Tyagi, Heena, Covington, James A. and Nwokolo, Chuka U. (2022) Minimal gluten exposure alters urinary volatile organic compounds in stable coeliac disease. Sensors, 22 (3). e1290. doi:10.3390/s22031290 ISSN 1424-8220.

2020

McFarlane, Michael J., Mozdiak, Ella , Daulton, Emma, Arasaradnam, Ramesh P., Covington, James A. and Nwokolo, Chuka U. (2020) Pre-analytical and analytical variables that influence urinary volatile organic compound measurements. PLoS One, 15 (7). e0236591. doi:10.1371/journal.pone.0236591 ISSN 1932-6203.

2018

McFarlane, Michael J., Brettschneider, Julia, Gelsthorpe, Adrian, James, Sean, Snead, David, Gopalakrishnan, Kishore, Mehenna, Hisham, Jankowski, Janusz A. Z., Arasaradnam, Ramesh P. and Nwokolo, Chuka U. (2018) An assessment of candidate genes to assist prognosis in gastric cancer. Journal of gastrointestinal oncology, 9 (2). pp. 303-310. doi:10.21037/jgo.2018.01.05 ISSN 2078-6891.

2016

Arasaradnam, Ramesh P., McFarlane, Michael J., Daulton, Emma, Skinner, Jim, O’Connell, Nicola, Wurie, Subiatu, Chambers, Samantha, Nwokolo, Chuka U., Bardhan, Karna Dev, Savage, Richard S. and Covington, James A. (2016) Non-invasive exhaled volatile organic biomarker analysis to detect inflammatory bowel disease (IBD). Digestive and Liver Disease, 48 (2). pp. 148-153. pii/S1590865815301067. doi:10.1016/j.dld.2015.10.013 ISSN 1590-8658.

Sagar, Nidhi M., Kay, Gemma L., O’Connell, N., Nwokolo, Chuka U., Bardhan, Karna Dev, Quince, Christopher, Pallen, Mark J. and Arasaradnam, Ramesh P. (2016) PWE-061 Dysbiosis in patients with bile acid diarrhoea (BAD) demonstrated using 16S RNA gene sequencing. In: British Society of Gastroenterology, Annual General Meeting, 20–23 Jun 2016. Published in: Gut, 65 (Supplement 1). A168-A168. doi:10.1136/gutjnl-2016-312388.307 ISSN 0017-5749.

McFarlane, Michael J., Chambers, Samantha, Malik, Ahmad, Lee, Bee, Sung, Edmond, Nwokolo, Chuka U., Waugh, Norman and Arasaradnam, Ramesh P. (2016) Clinical outcomes at 12 months and risk of inflammatory bowel disease in patients with an intermediate raised fecal calprotectin : a ‘real-world’ view. BMJ Open, 6 (6). pp. 1-6. e011041. doi:10.1136/bmjopen-2016-011041 ISSN 2044-6055.

Arasaradnam, Ramesh P., McFarlane, Michael J., Ling, K., Wurie, S., O’Connell, N., Nwokolo, Chuka U., Bardhan, Karna Dev, Skinner, J., Savage, Richard S. and Covington, James A. (2016) Breathomics—exhaled volatile organic compound analysis to detect hepatic encephalopathy : a pilot study. Journal of Breath Research, 10 (1). pp. 1-6. 016012. doi:10.1088/1752-7155/10/1/016012 ISSN 1752-7163.

Esfahani, Siavash, Sagar, Nidhi M., Kyrou, Ioannis, Mozdiak, Ella, O’Connell, Nicola, Nwokolo, Chuka U., Bardhan, Karna Dev, Arasaradnam, Ramesh P. and Covington, James A. (2016) Variation in gas and volatile compound emissions from human urine as it ages, measured by an electronic nose. Biosensors, 6 (1). 4. doi:10.3390/bios6010004 ISSN 2079-6374.

Westenbrink, Eric W., O’Connell, Neil, Bailey, C., Nwokolo, Chuka U., Bardhan, Karna Dev, Arasaradnam, Ramesh P. and Covington, James A. (2016) PWE-116 Detection of colorectal cancer from urinary volatile organic compounds using a new chromatograph/electronic-nose instrument – Wolf System. In: British Society of Gastroenterology, Annual General Meeting, Liverpool , 20–23 Jun 2016. Published in: Gut, 65 (Supplement 1). A195.2-A196. doi:10.1136/gutjnl-2016-312388.361 ISSN 0017-5749.

2015

(2015) Polymorphisms Near TBX5 and GDF7 are associated with increased risk for Barrett’s esophagus. Gastroenterology, Volume 148 (Number 2). pp. 367-378. doi:10.1053/j.gastro.2014.10.041 ISSN 0016-5085.

Covington, James A., McFarlane, Michael J., Kho, L., Wurie, S., O'Connell, N., Savage, R. S., Nwokolo, Chuka U., Bardhan, Karna Dev and Arasaradnam, Ramesh P. (2015) PWE-110 Breathomics – distinguishing minimal from overt hepatic encephalopathy using volatile organic compound analysis : a pilot study. Gut, 64 (Supplement 1). A260.2-A261. doi:10.1136/gutjnl-2015-309861.559 ISSN 0017-5749.

Covington, James A., McFarlane, Michael J., Daulton, E., Westenbrink, E., O'Connell, N., Wurie, S., Nwokolo, Chuka U., Bardhan, Karna Dev, Savage, R. and Arasaradnam, Ramesh P. (2015) PWE-136 The non-invasive detection of non-alcoholic fatty liver disease using urinary volatile organic compound analysis : a pilot study. Gut, 64 (Supplement 1). A272.2-A272. doi:10.1136/gutjnl-2015-309861.584 ISSN 0017-5749.

Arasaradnam, Ramesh P., McFarlane, Michael J., Daulton, E., Westenbrink, Eric W., O'Connell, Nicola, Wurie, Subiatu, Nwokolo, Chuka U., Bardhan, Karna Dev, Savage, Richard S. and Covington, James A. (2015) Non-invasive distinction of non-alcoholic fatty liver disease using urinary volatile organic compound analysis : early results. Journal of Gastrointestinal and Liver Diseases, Volume 24 (Number 2). pp. 197-201. Article number 15. doi:10.15403/jgld.2014.1121.242.ury ISSN 1842-1121.

Westenbrink, Eric W., Arasaradnam, Ramesh P., O'Connell, Nicola, Bailey, C., Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2015) Development and application of a new electronic nose instrument for the detection of colorectal cancer. Biosensors and Bioelectronics, Volume 67 . pp. 733-738. doi:10.1016/j.bios.2014.10.044 ISSN 0956-5663.

Arasaradnam, Ramesh P., Kho, Ling, McFarlane, Michael J., Wurie, Subiatu, O'Connell, Nicola, Savage, Richard S., Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2015) Mo1019 : Breathomics - distinguishing minimal from overt hepatic encephalopathy by volatile organic compound detection in breath : a pilot study. Gastroenterology, 148 (4). S-1064. doi:10.1016/S0016-5085(15)33638-6 ISSN 0016-5085.

Esfahani, Siavash, Skinner, J. R., Savage, Richard S., O'Connell, N., Kyrou, I., Nwokolo, Chuka U., Bardhan, Karna Dev, Arasaradnam, Ramesh P. and Covington, James A. (2015) A rapid discrimination of diabetic patients from volunteers using urinary volatile and an electronic nose. In: 16th International Symposium on Olfaction and Electronic Nose, Dijon, France, 28 Jun - 1 Jul 2015 (Unpublished)

2014

Arasaradnam, Ramesh P., Westenbrink, Eric W., McFarlane, Michael J., Harbord, Ruth, Chambers, Samantha, O’Connell, Nicola, Bailey, Catherine, Nwokolo, Chuka U., Bardhan, Karna Dev, Savage, Richard S. and Covington, James A. (2014) Differentiating coeliac disease from irritable bowel syndrome by urinary volatile organic compound analysis : a pilot study. PLoS One, 9 (10). e107312. doi:10.1371/journal.pone.0107312 ISSN 1932-6203.

Arasaradnam, Ramesh P., McFarlane, Michael J., Ryan-Fisher, Courtenay, Westenbrink, Eric W., Hodges, Paula, Thomas, Matthew G., Chambers, Samantha, O'Connell, Nicola, Bailey, Catherine, Harmston, Christopher, Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2014) Detection of Colorectal Cancer (CRC) by urinary volatile organic compound analysis. PLoS One, Volume 9 (Number 9). Article number e108750. doi:10.1371/journal.pone.0108750 ISSN 1932-6203.

Arasaradnam, Ramesh P., Covington, James A., Harmston, Christopher and Nwokolo, Chuka U. (2014) Review article : next generation diagnostic modalities in gastroenterology : gas phase volatile compound biomarker detection. Alimentary Pharmacology & Therapeutics, Volume 39 (Number 8). pp. 780-789. doi:10.1111/apt.12657 ISSN 0269-2813.

Dhaliwal, A., Zeino, Z., Tomkins, C., Cheung, M., Nwokolo, Chuka U., Smith, S., Harmston, Christopher and Arasaradnam, Ramesh P. (2014) Utility of faecal calprotectin in inflammatory bowel disease (IBD) : what cut-offs should we apply? Frontline Gastroenterology, Volume 6 (Number 1). pp. 14-19. doi:10.1136/flgastro-2013-100420 ISSN 2041-4137.

2013

Harrison, Elizabeth, Liu, Kuo-Kang, Petchey, Michael, Nwokolo, Chuka U., Loft, Duncan and Arasaradnam, Ramesh P. (2013) Selective measurement of anti-tTG antibodies in coeliac disease and IgA deficiency : an alternative pathway. Postgraduate Medical Journal, Volume 89 (Number 1047). pp. 4-7. doi:10.1136/postgradmedj-2011-130188 ISSN 0032-5473.

Arasaradnam, Ramesh P., Ouaret, N., Quraishi, N., Thomas, M. G., Heatherington, E., Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2013) A novel tool for noninvasive diagnosis and tracking of patients with inflammatory bowel disease. Inflammatory Bowel Diseases, Volume 19 (Number 5). pp. 999-1003. doi:10.1097/MIB.0b013e3182802b26 ISSN 1078-0998.

Covington, James A., Westenbrink, Eric W., Ouaret, Nathalie, Harbord, Ruth, Bailey, Catherine, O'Connell, Nicola, Cullis, James, Williams, Nigel, Nwokolo, Chuka U., Bardhan, Karna Dev and Arasaradnam, Ramesh P. (2013) Application of a novel tool for diagnosing bile acid diarrhoea. Sensors, Volume 13 (Number 9). pp. 11899-11912. doi:10.3390/s130911899 ISSN 1424-8220.

Dhaliwal, A. and Nwokolo, Chuka U. (2013) Commentary : daily pantoprazole vs. esomeprazole for GERD. Alimentary Pharmacology & Therapeutics, Volume 39 (Number 2). p. 226. doi:10.1111/apt.12565 ISSN 0269-2813.

2012

Sung, E. Z. H., Arasaradnam, Ramesh P., Jarvie, E. M., James, Sean G., Goodyear, S. J., Borman, R. A., Snead, David R. J., Sanger, G. J. and Nwokolo, Chuka U. (2012) Effects of neo-adjuvant chemotherapy for oesophago-gastric cancer on neuro-muscular gastric function. Molecular Biology Reports, Vol.39 (No.12). pp. 9989-9994. doi:10.1007/s11033-012-1866-7 ISSN 0301-4851.

Arasaradnam, Ramesh P., Cullis, J., Nwokolo, Chuka U., Bardham, K. and Williams, N. (2012) Bile acid malabsorption and SeHCAT : the 'Cinderella' will be going to the Nuclear Medicine Ball! Nuclear Medicine Communications , Vol.33 (No.5). pp. 449-451. doi:10.1097/MNM.0b013e328351d516

Gardner, J. W., McIntosh, James, Ouaret, Natalie, Gold, Peter, Nwokolo, Chuka U., Bardhan, Karna Dev, Arasaradnam, Ramesh P. and Covington, James A. (2012) Classification of field asymmetric ion mobility spectrometry data for detection of bowel bacteria. In: 9th IASTED International Conference on Biomedical Engineering, BioMed 2012, Innsbruck; Austria, 15-17 Feb 2012. Published in: Proceedings of the 9th IASTED International Conference on Biomedical Engineering, BioMed 2012 pp. 309-314. ISBN 9780889869097. doi:10.2316/P.2012.764-032

Arasaradnam, Ramesh P. and Nwokolo, Chuka U. (2012) Epiphenomenon of telomere lengths : lessons from ulcerative colitis. Gut, Vol.61 (No.10). p. 1516. doi:10.1136/gutjnl-2012-302102

Arasaradnam, Ramesh P., Ouaret, N., Thomas, M. G., Gold, P., Quraishi, M. N., Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2012) Evaluation of gut bacterial populations using an electronic e-nose and field asymmetric ion mobility spectrometry: further insights into ‘fermentonomics’. Journal of Medical Engineering & Technology, Vol. 36 (No. 7). pp. 333-337. doi:10.3109/03091902.2012.690015 ISSN 0309-1902.

Arasaradnam, Ramesh P., Ouaret, N., Thomas, M. G., Hetherington, E., Quraishi, M. N., Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2012) OC-163 identification of inflammatory bowel disease (IBD) using field asymmetric ion mobility spectrometry (FAIMS). Gut, Vol.61 (Suppl.2). A70. doi:10.1136/gutjnl-2012-302514a.163 ISSN 0017-5749.

McFarland, Lorraine, Barlow, Julie (Julie Helen) and Nwokolo, Chuka U. (2012) Why patients take part in the Royal College of Physicians Practical Assessment of Clinical Examination Skills (MRCP PACES). Clinical Medicine, Vol.12 (No.1). pp. 45-48. ISSN 1473-4893.

Covington, James A., Wedlake, L., Andreyev, J., Ouaret, N., Thomas, Matthew G., Nwokolo, Chuka U., Bardhan, Karna Dev and Arasaradnam, Ramesh P. (2012) The detection of patients at risk of gastrointestinal toxicity during pelvic radiotherapy by electronic nose and FAIMS : a pilot study. Sensors, Vol.12 (No.10). pp. 13002-13018. doi:10.3390/s121013002 ISSN 1424-8220.

2011

Arasaradnam, Ramesh P., Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2011) Electronic nose versus canine nose : clash of the titans. Gut, Vol.60 (No.12). p. 1768. doi:10.1136/gut.2011.241216

Sung, E. Z. H., Silva, N. F., Goodyear, S. J., McTernan, P. G. (Philip G.), Arasaradnam, Ramesh P. and Nwokolo, Chuka U. (2011) Ghrelin promotes nuclear factor kappa-B activation in a human B-lymphocyte cell line. Molecular Biology Reports, Vol.38 (No.8). pp. 4833-4838. doi:10.1007/s11033-010-0617-x ISSN 0301-4851.

Arasaradnam, Ramesh P., Ouaret, N., Joseph, M., Nwokolo, Chuka U., Wedlake, L., Andreyev, J., Bardhan, Karna Dev and Covington, James A. (2011) Radiation-induced gut damage : identifying 'at risk' patients with an 'electronic nose' (E-NOSE). In: Digestive Disease Week (DDW) 2011, Chicago, U.S.A., May 7-10, 2011. Published in: Gastroenterology, Vol.140 (No.5 Suppl.1). S184-S185. doi:10.1136/gut.2011.239301.227 ISSN 0016-5085.

Arasaradnam, Ramesh P., Ouaret, N., Joseph, M., Nwokolo, Chuka U., Wedlake, L., Andreyev, J., Bardhan, Karna Dev and Covington, James A. (2011) Radiation-induced gut damage : identifying 'at risk' patients with an 'electronic nose' (E-NOSE). In: Annual Meeting of British Society of Gasenterology, Birmingham, England, 14-17 Mar 2011. Published in: Gut, Vol.60 (Supp.1). A108-A109. doi:10.1136/gut.2011.239301.227 ISSN 0017-5749.

Arasaradnam, Ramesh P., Quraishi, N., Kyrou, I., Nwokolo, Chuka U., Joseph, M., Kumar, Sudhesh, Bardhan, Karna Dev and Covington, James A. (2011) Insights into ‘fermentonomics’ : evaluation of volatile organic compounds (VOCs) in human disease using an electronic ‘e-nose’. Journal of Medical Engineering & Technology, Vol.35 (No.2). pp. 87-91. doi:10.3109/03091902.2010.539770 ISSN 0309-1902.

Covington, James A., Ouaret, N., Gardner, J. W., Nwokolo, Chuka U., Bardhan, Karna Dev and Arasaradnam, Ramesh P. (2011) Detection and identification of inflammatory bowel disease by electronic nose. In: 14th International Symposium on Olfaction and Electronic Nose (ISOEN 2011), New York City, U.S.A., May 2-5, 2011. Published in: Proceedings of the 14th International Symposium on Olfaction and Electronic Nose, Vol.1362 pp. 285-286. doi:10.1063/1.3651653 ISSN 0094-243X.

2010

Goodyear, S., Arasaradnam, Ramesh P., Quraishi, N., Mottershead, M. and Nwokolo, Chuka U. (2010) Acylated and des acyl ghrelin in human portal and systemic circulations. Molecular Biology Reports, Vol.37 (No.8). pp. 3697-3701. doi:10.1007/s11033-010-0022-5 ISSN 0301-4851.

Goodyear, Stephen J., Mottershead, Marcus, Sung, E. Z. H., Wong, Ling S., McTernan, P. G. (Philip G.), Kumar, Sudhesh and Nwokolo, Chuka U. (2010) Dysregulation of plasma ghrelin in alcoholic cirrhosis. Clinical Endocrinology, Vol.73 (No.3). pp. 323-329. doi:10.1111/j.1365-2265.2010.03793.x ISSN 0300-0664.

Da-Silva, Nancy, Arasaradnam, Ramesh P., Getliffe, Katherine, Sung, E. Z. H., Oo, Ye and Nwokolo, Chuka U. (2010) Altered mRNA expression of telomere binding proteins (TPP1, POT1, RAP1, TRF1 and TRF2) in ulcerative colitis and Crohn's disease. Digestive and Liver Disease, Vol.42 (No.8). pp. 544-548. doi:10.1016/j.dld.2009.12.005 ISSN 1590-8658.

Arasaradnam, Ramesh P. and Nwokolo, Chuka U. (2010) Does premedication with hyoscine in routine colonoscopy affect caecal intubation rate and time? A randomized trial. In: Annual General Meeting of the British-Society-of-Gastroenterology, Liverpool, England, March 22-25, 2010. Published in: Gut, Vol.59 (No.Suppl. 1). A87-A87. doi:10.1136/gut.2009.208942b ISSN 0017-5749.

Arasaradnam, Ramesh P., Quraishi, N., Kumar, Sudhesh, Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2010) The gut in health and disease: scenting the difference by "electronic nose". In: Annual General Meeting of the British Society of Gastroenterology, Liverpool, England, March 22-25, 2010. Published in: Gut, Vol.59 (No.Suppl. 1). A42-A42. doi:10.1136/gut.2009.208991x ISSN 0017-5749.

Arasaradnam, Ramesh P., Quraishi, N., Kumar, Sudhesh, Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2010) The gut in health and disease: scenting the difference by "electronic nose". In: Digestive Disease Week 2010, New Orleans, LA, U.S.A., May 1-5, 2010 doi:10.1136/gut.2009.208991x

2009

Arasaradnam, Ramesh P., Pharaoh, Mark W., Williams, Geraint J., Nwokolo, Chuka U., Bardhan, Karna Dev and Kumar, Sudhesh (2009) Colonic fermentation – more than meets the nose. Medical Hypotheses, Vol.73 (No.5). pp. 753-756. doi:10.1016/j.mehy.2009.04.027 ISSN 0306-9877.

Sung, E. Z. H., da Silva, N. F., Goodyear, S. J., McTernan, P. G. (Philip G.), Sanger, G. J. and Nwokolo, Chuka U. (2009) Increased plasma ghrelin following infliximab in Crohn's disease. Alimentary Pharmacology and Therapeutic, Vol.29 (No.1). pp. 83-89. doi:10.1111/j.1365-2036.2008.03850.x ISSN 0269-2813.

2008

Kos, Katarina, Syn, W. -K., Lewandowski, K. C., Bennett, J., Nwokolo, Chuka U., O'Hare, J. Paul and Randeva, Harpal S. (2008) Comparison of maternal ghrelin and leptin in healthy mothers and mothers with Type 1 diabetes. Diabetic Medicine, Vol.25 (No.12). pp. 1400-1405. doi:10.1111/j.1464-5491.2008.02604.x ISSN 0742-3071.

2007

Mottershead, Marcus, Karteris, Emmanuel, Barclay, Jill Y., Suortamo, Saira, Newbold, Mark, Randeva, Harpal S. and Nwokolo, Chuka U. (2007) Immunohistochemical and quantitative mRNA assessment of ghrelin expression in gastric and oesophageal adenocarcinoma. Journal of Clinical Pathology, Vol.60 (No.4). pp. 405-409. doi:10.1136/jcp.2006.038356 ISSN 0021-9746.

2006

Getliffe, Katherine M., Ruiz, Carmen Martin, Passos, Joao F., von Zglinicki, Thomas and Nwokolo, Chuka U. (2006) Extended lifespan and long telomeres in rectal fibroblasts from late-onset ulcerative colitis patients. EUROPEAN JOURNAL OF GASTROENTEROLOGY & HEPATOLOGY, 18 (2). pp. 133-141. doi:10.1097/00042737-200602000-00005 ISSN 0954-691X.