Dixit CK, Twyman RM (2019) Immunoassays: clinical applications. In: Worsfold P, Poole C, Townshend A, Miró M (eds) Encyclopedia of Analytical Science (Third Edition) Volume 5. Elsevier, Oxford, UK, pp 8–14.  DOI

Twyman RM (2019) Immunoassays: overview. In: Worsfold P, Poole C, Townshend A, Miró M (eds) Encyclopedia of Analytical Science (Third Edition) Volume 5. Elsevier, Oxford, UK, pp 47–54.  DOI

Twyman RM, Kusch P (2019) Mass spectrometry: pyrolysis. In: Worsfold P, Poole C, Townshend A, Miró M (eds) Encyclopedia of Analytical Science (Third Edition) Volume 5. Elsevier, Oxford, UK, pp 492–499.  DOI

Wilkinson MJ, Twyman RM (2017) Control of gene expression: regulation of transcription. In: Thomas B, Murray BG, Murphy DJ (eds) Encyclopedia of Applied Plant Sciences (Second Edition) Volume 2. Academic Press, Oxford, UK, pp 138–146.  DOI

Farre G, Gomez-Galera S, Naqvi S, Bai C, Sanahuja G, Zorilla U, Tutusaus Codony L, Rojas E, Fibla M, Twyman RM, Capell T, Christou P, Zhu C (2012) Nutritional improvement of crops using biotechnology. In: Meyers RA (ed) Encyclopedia of Sustainability Science and Technology. Springer, New York, NY, pp 1676–1723.  DOI  

[Republished (2013) In: Christou P, Savin R, Costa-Pierce BA, Misztal I, Whitelaw CBA (eds) Sustainable Food Production. Springer, New York, NY, pp 280–327.]  DOI  

Twyman RM (2012) Proteomics. In: Chadwick R (ed) Encyclopedia of Applied Ethics (Second Edition) Volume 6. Academic Press, San Diego, CA, pp 642–649.  DOI  

Yuan D, Dashevskaya S, Twyman RM, Capell T, Christou P (2012) Crop plants – transformation methods. In: Meyers RA (ed) Encyclopedia of Sustainability Science and Technology. Springer, New York, NY, pp 2583–2615.  DOI  

[Republished (2013) In: Christou P, Savin R, Costa-Pierce BA, Misztal I, Whitelaw CBA (eds) Sustainable Food Production. Springer, New York, NY, pp 280–327.]  DOI  

Twyman RM, Whitelaw B (2010) Gene expression in recombinant animal cells and transgenic animals. In: Flickinger MC (ed) Encyclopedia of Industrial Biotechnology: Bioprocess, Bioseparation and Cell Technology. John Wiley & Sons, Hoboken, NJ.  DOI

Twyman RM (2009) Atomic force microscopy methodologies. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 1. Academic Press, Oxford, UK, pp 595–598.  DOI

Twyman RM (2009) Clathrin and clathrin-adaptors. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 2. Academic Press, Oxford, UK, pp 1013–1017.  DOI

Twyman RM (2009) Gene expression dysregulation in CNS pathophysiology. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 4. Academic Press, Oxford, UK, pp 587–590.  DOI

Twyman RM (2009) Hormonal signaling to the brain for the control of feeding/energy balance. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 4. Academic Press, Oxford, UK, pp 1201–1206.  DOI

Twyman RM (2009) Neutrotransmission and neuromodulation: acetylcholine. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 6. Academic Press, Oxford, UK, pp 1115–1119.  DOI

Twyman RM (2009) Psychiatric disorders: functional genomics. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 7. Academic Press, Oxford, UK, pp 1187–1192.  DOI

Twyman RM (2009) Psychiatric genomics and expression profiling. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 7. Academic Press, Oxford, UK, pp 1193–1198.  DOI

Twyman RM, Amin N (2009) Schizophrenia: genetics. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 8. Academic Press, Oxford, UK, pp 459–462.  DOI

Twyman RM (2009) Single-nucleotide polymorphism (SNP) analysis. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 8. Academic Press, Oxford, UK, pp 881–885.  DOI

Twyman RM (2009) Transcriptional silencing. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 9. Academic Press, Oxford, UK, pp 1099–1104.  DOI

Twyman RM (2009) Wnt pathway and neural patterning. In: Squire LR (ed) Encyclopedia of Neuroscience, Volume 10. Academic Press, Oxford, UK, pp 497–502.  DOI

Christou P, Stoger E, Twyman RM (2008) Monocot systems for molecular farming. In: Fersht AR (ed) Protein Science Encyclopedia. Wiley-VCH Verlag, Weinheim, Germany.  DOI

Twyman RM (2008) Large-scale protein production in plants: host plants, systems and expression. In: Fersht AR (ed) Protein Science Encyclopedia. Wiley-VCH Verlag, Weinheim, Germany.  DOI

Twyman RM (2007) Geomagnetic excursions and secular variations in the magnetic field. In: Elias SA (ed) Encyclopedia of Quaternary Science, Volume 1. Elsevier, Oxford, UK, pp 717–721.  DOI

Twyman RM (2007) Potassium-argon and argon-argon dating. In: Elias SA (ed) Encyclopedia of Quaternary Science, Volume 2. Elsevier, Oxford, UK, pp 1313–1319.  DOI

Twyman RM (2005) Atomic emission spectrometry: principles and instrumentation. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 1. Elsevier, Oxford, UK, pp 190–198.  DOI  

Twyman RM (2005) Atomic emission spectrometry: interferences and background correction. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 1. Elsevier, Oxford, UK, pp 198–203.  DOI  

Twyman RM (2005) Enzymes: immobilized enzymes. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 2. Elsevier, Oxford, UK, pp 523–529.  DOI  

Twyman RM (2005) Immunoassays: overview. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 4. Elsevier, Oxford, UK, pp 299–306.  DOI  

Twyman RM (2005) Immunoassays, applications: clinical. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 4. Elsevier, Oxford, UK, pp 317–324.  DOI  

Twyman RM (2005) Mass spectrometry: multidimensional. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 5. Elsevier, Oxford, UK, pp 430–438.  DOI  

Twyman RM (2005) Mass spectrometry: pyrolysis. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 5. Elsevier, Oxford, UK, pp 445–450.  DOI  

Twyman RM (2005) Microscopy applications: food. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 6. Elsevier, Oxford, UK, pp 50–57.  DOI  

Twyman RM (2005) Nuclear magnetic resonance spectroscopy-applicable elements: phosphorus-31. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 6. Elsevier, Oxford, UK, pp 278–286.  DOI  

Twyman RM (2005) Proteomics. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 7. Elsevier, Oxford, UK, pp 383–393.  DOI  

Twyman RM (2005) Sample dissolution for elemental analysis: wet digestion. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 8. Elsevier, Oxford, UK, pp 146–153.  DOI  

Twyman RM (2005) Surface analysis: overview. In: Worsfold P, Townshend A, Poole C (eds) Encyclopedia of Analytical Science (Second Edition), Volume 8. Elsevier, Oxford, UK, pp 440–445.  DOI  

Fischer R, Emans NJ, Twyman RM, Schillberg S (2004) Molecular farming in plants: technology platforms. In: Goodman RM (ed) Encyclopedia of Plant and Crop Science. Marcel Dekker, New York, NY, pp 753–756.  DOI  

Twyman RM (2004) SNP genotyping techniques: an overview. In: Fuchs J, Podda M (eds) Encyclopedia Of Medical Genomics And Proteomics. Marcel Dekker, New York, NY, pp 1202–1207.  DOI  

Twyman RM (2003) Flowering and reproduction: flower development. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 307–315.  DOI  

Twyman RM (2003) Genetic modification: gene cloning, general principles. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 359–369.  DOI  

Twyman RM, Kohli A (2003) Genetic modification: insertional and transposon mutagenesis. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 369–377.  DOI  

Twyman RM, Verpoorte R, Memelink J, Christou P (2003) Genetic modification of secondary metabolism: alkaloids.  In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 493–500.  DOI  

Twyman RM, Stoger E, Christou P (2003) Genetic modification, applications: cell factories. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 430–436.  DOI  

Twyman RM, Stoger E, Christou P (2003) Genetic modification, applications: molecular farming. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 436–442.  DOI  

Twyman RM (2003) Growth and development: control of gene expression, posttranscriptional regulation. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 549–557.  DOI  

Twyman RM (2003) Growth and development: control of gene expression, regulation of transcription. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 558–567.  DOI  

Twyman RM (2003) Growth and development: molecular biology of development. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 539–549.  DOI  

Twyman RM (2003) Root development: genetics of primary root development. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 1096–1101.  DOI  

Twyman RM (2003) Weeds: herbicide resistance. In: Thomas B, Murphy DJ, Murray B (eds) Encyclopedia of Applied Plant Sciences. Elsevier, Oxford, UK, pp 1516–1521.  DOI

Twyman RM (2002) Deletion mapping. In: Creighton TE (ed) Encyclopedia of Molecular Medicine. John Wiley & Sons, Hoboken, NJ, pp 1010–1012.  DOI

Twyman RM (2002) Exon trapping/amplification. In: Creighton TE (ed) Encyclopedia of Molecular Medicine. John Wiley & Sons, Hoboken, NJ, pp 1214–1216.  DOI

Twyman RM (2002) Functional cloning. In: Creighton TE (ed) Encyclopedia of Molecular Medicine. John Wiley & Sons, Hoboken, NJ, pp 1341–1343.  DOI

Twyman RM (2002) Gene knockout. In: Creighton TE (ed) Encyclopedia of Molecular Medicine. John Wiley & Sons, Hoboken, NJ, pp 1401–1406.  DOI

Twyman RM, Whitelaw CAB (2000) Animal cell genetic engineering. In: Spier RE (ed) Encyclopedia of Cell Technology. John Wiley & Sons, Hoboken, NJ, pp 737–819.  DOI

Masip G, Sabalza M, Pérez-Massot E, Banakar R, Cebrian D, Twyman RM, Capell T, Albajes R, Christou P (2013) Paradojas en las políticas agrícolas europeas aplicadas a los cultivos transgénicos. Asoprovac 58, 16–21. 

Ramessar K, Capell T, Twyman RM, Quemada H, Christou P (2009) Regulatory harmony in the GE World? ISB News, November 2009, 13–15. 

Ramessar K, Naqvi S, Dashevskaya S, Peremarti A, Yuan D, Gomez-Galera D, Velez SMR, Farre G, Sabalza M, Miralpeix B, Twyman RM, Zhu C, Bassie L, Capell T, Christou P (2009) The contribution of plant biotechnology to food security in the 21st century. In: Amsel L, Hirsch L (eds) Food Science and Security. Nova Science Publishers, New York, NY, pp 3–72.

Schillberg S, Twyman RM (2007) Pharma-Planta: recombinant pharmaceuticals from plants for human health. European Academy 43, 13–30. 

Fischer R, Nolke G, Orecchia M, Schillberg S, Twyman RM (2004) Improvement of grapevine using current biotechnology. ISHS Acta Horticulturae 652, 383–390.  DOI  

Commandeur U, Twyman RM, Fischer R (2003) The biosafety of molecular farming in plants. AgBiotechNet 5 (110) 1–9. 

Mehlo L, Mazithulela G, Twyman RM, Boulton MI, Davies JW, Christou P (2000) Structural analysis of transgene rearrangements and effects on expression in transgenic maize plants generated by particle bombardment. Maydica 45 (4) 277–287.  WEB

Fu X, Kohli A, Twyman RM, Christou P (1999) Differential concurrent transgene silencing associated with distinct types of nonspreading cytosine methylation. Rice Genetics Newsletter 16, 131–135.  WEB

Kohli A, Fu X, Twyman RM, Christou P (1999) Transgene integration, organization and expression. Rice Genetics Newsletter 16, 135–138.  WEB

Twyman RM (2008) X-ray vision. Wellcome Science 7, 16–17.

Twyman RM (2007) Biobanks: the long game. Wellcome Science 4, 12–13.

Twyman RM (2006) Research. Bee seen. Wellcome News 46, 11.

Twyman RM (2006) Research. Intergenic interference. Wellcome News 46, 13.

Twyman RM (2006) Research. Opening the gate. Wellcome News 46, 10.

Twyman RM (2006) Research. RNase structure. Wellcome News 46, 10.

Twyman RM (2006) Topical update. Antifreeze proteins: coming in from the code. Wellcome Science 3, 6.

Twyman RM (2006) Topical update. Molecular biology: one by one. Wellcome Science 3, 6.

Twyman RM (2006) Topical update. Restoring vision: light at the end of the tunnel. Wellcome Science 3, 7.

Twyman RM (2006) Topical update. Schizophrenia: cause and effect. Wellcome Science 2, 7.

Twyman RM (2006) Topical update. Senses: learning worms (and mice). Wellcome Science 2, 4.

Twyman RM (2006) Topical update. Sound perception: music in mind. Wellcome Science 2, 5.

Twyman RM (2006) Topical update. Taste: bitter sweet. Wellcome Science 2, 4.

Twyman RM (2006) Wear and tear: cells and the biology of ageing. Wellcome Focus. Ageing: Can We Stop The Clock? 18–21.

Twyman RM (2006) When cells turn rogue: ageing and cancer. Wellcome Focus. Ageing: Can We Stop The Clock? 34–35.

Twyman RM (2005) Small RNA – big news. Wellcome Science 1, 20–21.

Twyman RM (2003) Joining forces: towards a haplotype map of the human genome. Wellcome News 34, 12–13.

Twyman RM (2003) Silencing is golden: RNA interference in research and medicine. Wellcome News 36, 10–11.

Fischer R, Twyman RM, Hellwig S, Drossard J, Schillberg S (2007) Facing the future with pharmaceuticals from plants. In: Xu Z, Li J, Xue Y, Yang W (eds) Biotechnology and Sustainable Agriculture 2006 and Beyond. Proceedings of the 11th IAPTC&B Congress, August 2006, Beijing, China. Springer, New York, NY, pp 13–32.  DOI 

Fischer R, Drossard J, Twyman RM, Schillberg S (2004) Molecular farming: the underpinning science-base and bottlenecks to success. European Commission draft agenda, Biotechnology and Biobased Products. University of York, York, United Kingdom, January 2004.

Fischer R, Nolke G, Orecchia M, Schillberg S, Twyman RM (2004) Improvement of grapevine using current biotechnology. In: de Sequeira OA, de Sequeira JC (eds) Proceedings of the 1st International Symposium on Grapevine. ISHS Acta Horticulturae 652, 383–390.  DOI  

Fischer R, Ribbert M, Finnern R, Twyman RM (2004) Chip-based biosensor technology for the detection of pathogens. Proceedings of the International Palm Oil Congress 2003, Putrajaya, Malaysia, pp 323–332.

Schillberg S, Twyman RM, Fischer R (2004) Opportunities for recombinant antigen and antibody expression in transgenic plants – technology assessment. Fondation Merieux International Symposium on Plant-derived Vaccines and Antibodies: Potential and Limitations. Veyrier du Lac, Annecy, France, March 2004.

Fischer R, Commandeur U, Schillberg S, Twyman RM (2003) Engineering and production of recombinant antibodies in plants. In: Talwar GP, Sood OD (eds) Therapeutic Antibodies. Proceedings of the Ninth Annual Symposium, Ranbaxy Science Foundation. January 2003, New Delhi, India, pp 73–88.

Christou P, Twyman RM, Fu X, Wegel E, Kohli A, Stoger E (2001) Transgene integration, organization, and expression in cereals. In: Khush GS, Brar DS, Hardy B (eds): Rice Genetics IV: Proceedings of the Fourth International Rice Genetics Symposium. IRRI, Los Banos, The Philippines.