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David Delpy

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Daniel Richard Leff; Felipe Orihuela-Espina; Clare E Elwell; Thanos Athanasiou; David T Delpy; Ara W Darzi; Guang-Zhong Yang
Assessment of the cerebral cortex during motor task behaviours in adults: a systematic review of functional near infrared spectroscopy (fNIRS) studies.
Peck H Koh; Clare E Elwell; David T Delpy
Development of a dynamic test phantom for optical topography.
Chris E Cooper; Mark Cope; Clare E Elwell; David T Delpy
Bicuculline-induced seizures: a challenge for optical and biochemical modeling of the cytochrome oxidase CuA NIRS signal.

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2011: Daniel Richard Leff; Felipe Orihuela-Espina; Clare E Elwell; Thanos Athanasiou; David T Delpy; Ara W Darzi; Guang-Zhong Yang
Assessment of the cerebral cortex during motor task behaviours in adults: a systematic review of functional near infrared spectroscopy (fNIRS) studies.
NeuroImage 2011;54(4):2922-36.
2009: Peck H Koh; Clare E Elwell; David T Delpy
Development of a dynamic test phantom for optical topography.
Advances in experimental medicine and biology 2009;645():141-6.
2009: Chris E Cooper; Mark Cope; Clare E Elwell; David T Delpy
Bicuculline-induced seizures: a challenge for optical and biochemical modeling of the cytochrome oxidase CuA NIRS signal.
Advances in experimental medicine and biology 2009;645():129-34.
2008: Daniel Richard Leff; Clare E Elwell; Felipe Orihuela-Espina; Louis Atallah; David T Delpy; Ara W Darzi; Guang-Zhong Yang
Changes in prefrontal cortical behaviour depend upon familiarity on a bimanual co-ordination task: an fNIRS study.
NeuroImage 2008;39(2):805-13.
2008: Ilias Tachtsidis; Terence S Leung; Laurence Devoto; David T Delpy; Clare E Elwell
Measurement of frontal lobe functional activation and related systemic effects: a near-infrared spectroscopy investigation.
Advances in experimental medicine and biology 2008;614():397-403.
2008: Ilias Tachtsidis; Martin Tisdall; David T Delpy; Martin Smith; Clare E Elwell
Measurement of cerebral tissue oxygenation in young healthy volunteers during acetazolamide provocation: a transcranial Doppler and near-infrared spectroscopy investigation.
Advances in experimental medicine and biology 2008;614():389-96.
2008: Terence S Leung; Martin Tisdall; Ilias Tachtsidis; Martin Smith; David T Delpy; Clare E Elwell
Cerebral tissue oxygen saturation calculated using low frequency haemoglobin oscillations measured by near infrared spectroscopy in adult ventilated patients.
Advances in experimental medicine and biology 2008;614():235-44.
2008: Ilias Tachtsidis; Terence S Leung; Martin Tisdall; Presheena Devendra; Martin Smith; David T Delpy; Clare E Elwell
Investigation of frontal cortex, motor cortex and systemic haemodynamic changes during anagram solving.
Advances in experimental medicine and biology 2008;614():21-8.
2007: Christopher S Colley; Jeremy C Hebden; David T Delpy; Alison D Cambrey; Robert A Brown; Evgeny A Zibik; Wing H Ng; Luke R Wilson; John W Cockburn
Mid-infrared optical coherence tomography.
The Review of scientific instruments 2007;78(12):123108.
2007: Peck H Koh; Daniel E Glaser; Guillaume Flandin; Stefan J Kiebel; Brian Butterworth; Atsushi Maki; David T Delpy; Clare E Elwell
Functional optical signal analysis: a software tool for near-infrared spectroscopy data processing incorporating statistical parametric mapping.
Journal of biomedical optics 2007;12(6):064010.
2007: David T Delpy; Marco Ferrari; Claude A Piantadosi; Mamoru Tamura
Pioneers in biomedical optics: special section honoring professor Frans F. Jobsis of Duke University.
Journal of biomedical optics 2007;12(6):062101.
2007: Tzu-Ching Chiang; Tharshan Vaithianathan; Terence Leung; Michal Lavidor; Vincent Walsh; David T Delpy
Elevated haemoglobin levels in the motor cortex following 1 Hz transcranial magnetic stimulation: a preliminary study.
Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale 2007;181(4):555-60.
2007: Louise C Enfield; Adam P Gibson; Nick Everdell; David T Delpy; Martin Schweiger; Simon R Arridge; Caroline Richardson; Mohammed R S Keshtgar; Michael Douek; Jeremy C Hebden
Three-dimensional time-resolved optical mammography of the uncompressed breast.
Applied optics 2007;46(17):3628-38.
2007: Terence S Leung; Ilias Tachtsidis; Martin Tisdall; Martin Smith; David T Delpy; Clare E Elwell
Theoretical investigation of measuring cerebral blood flow in the adult human head using bolus Indocyanine Green injection and near-infrared spectroscopy.
Applied optics 2007;46(10):1604-14.
2007: Ilias Tachtsidis; Martin Tisdall; Terence S Leung; Chris E Cooper; David T Delpy; Martin Smith; Clare E Elwell
Investigation of in vivo measurement of cerebral cytochrome-c-oxidase redox changes using near-infrared spectroscopy in patients with orthostatic hypotension.
Physiological measurement 2007;28(2):199-211.
2007: A B Rowley; Stephen J Payne; Ilias Tachtsidis; M J Ebden; Jonathan P Whiteley; David J Gavaghan; Lionel Tarassenko; Martin Smith; Clare E Elwell; David T Delpy
Synchronization between arterial blood pressure and cerebral oxyhaemoglobin concentration investigated by wavelet cross-correlation.
Physiological measurement 2007;28(2):161-73.
2007: Jan Laufer; David T Delpy; Clare E Elwell; Paul C Beard
Quantitative spatially resolved measurement of tissue chromophore concentrations using photoacoustic spectroscopy: application to the measurement of blood oxygenation and haemoglobin concentration.
Physics in medicine and biology 2007;52(1):141-68.
2006: Tiziano Binzoni; Terence S Leung; A H Gandjbakhche; Daniel Rüfenacht; David T Delpy
Comment on 'the use of the Henyey-Greenstein phase function in Monte Carlo simulations in biomedical optics'.
Physics in medicine and biology 2006;51(22):L39-41.
2006: Tiziano Binzoni; Terence S Leung; A H Gandjbakhche; Daniel Rüfenacht; David T Delpy
The use of the Henyey-Greenstein phase function in Monte Carlo simulations in biomedical optics.
Physics in medicine and biology 2006;51(17):N313-22.
2006: Topun Austin; Adam P Gibson; G Branco; Rozarina Md Yusof; Simon R Arridge; Judith H Meek; John S Wyatt; David T Delpy; Jeremy C Hebden
Three dimensional optical imaging of blood volume and oxygenation in the neonatal brain.
NeuroImage 2006;31(4):1426-33.
2006: Adam P Gibson; Topun Austin; Nick Everdell; Martin Schweiger; Simon R Arridge; Judith H Meek; John S Wyatt; David T Delpy; Jeremy C Hebden
Three-dimensional whole-head optical tomography of passive motor evoked responses in the neonate.
NeuroImage 2006;30(2):521-8.
2006: Tiziano Binzoni; C Courvoisier; Remo Giust; G Tribillon; Tijani GHARBI; J C Hebden; Terence S Leung; J Roux; David T Delpy
Anisotropic photon migration in human skeletal muscle.
Physics in medicine and biology 2006;51(5):N79-90.
2006: Terence S Leung; Ilias Tachtsidis; Martin Smith; David T Delpy; Clare E Elwell
Measurement of the absolute optical properties and cerebral blood volume of the adult human head with hybrid differential and spatially resolved spectroscopy.
Physics in medicine and biology 2006;51(3):703-17.
2006: Tiziano Binzoni; Terence S Leung; Daniel Rüfenacht; David T Delpy
Absorption and scattering coefficient dependence of laser-Doppler flowmetry models for large tissue volumes.
Physics in medicine and biology 2006;51(2):311-33.
2006: Ilias Tachtsidis; Terence S Leung; Caroline Oliver; Julian R Henty; Holly Jones; Martin Smith; David T Delpy; Clare E Elwell
Quantification of adult cerebral blood volume using the NIRS tissue oxygenation index.
Advances in experimental medicine and biology 2006;578():237-43.
2006: Terence S Leung; Ilias Tachtsidis; Praideepan Velayuthan; Caroline Oliver; Julian R Henty; Holly Jones; Martin Smith; Clare E Elwell; David T Delpy
Investigation of oxygen saturation derived from cardiac pulsations measured on the adult head using NIR spectroscopy.
Advances in experimental medicine and biology 2006;578():209-15.
2006: Jan Laufer; Clare E Elwell; David T Delpy; C C Beard
Spatially resolved blood oxygenation measurements using time-resolved photoacoustic spectroscopy.
Advances in experimental medicine and biology 2006;578():155-60.
2006: Tiziano Binzoni; Terence S Leung; Celine Courvoisier; Remo Giust; Gilbert Tribillon; Tijani GHARBI; David T Delpy
Blood volume and haemoglobin oxygen content changes in human bone marrow during orthostatic stress.
Journal of physiological anthropology 2006;25(1):1-6.
2005: Terence S Leung; Clare E Elwell; David T Delpy
Estimation of cerebral oxy- and deoxy-haemoglobin concentration changes in a layered adult head model using near-infrared spectroscopy and multivariate statistical analysis.
Physics in medicine and biology 2005;50(24):5783-98.
2005: Jan Laufer; Clare E Elwell; David T Delpy; Paul C Beard
In vitro measurements of absolute blood oxygen saturation using pulsed near-infrared photoacoustic spectroscopy: accuracy and resolution.
Physics in medicine and biology 2005;50(18):4409-28.
2005: Tara D Yates; Jeremy C Hebden; Adam P Gibson; Louise Enfield; Nick Everdell; Simon R Arridge; David T Delpy
Time-resolved optical mammography using a liquid coupled interface.
Journal of biomedical optics 2005;10(5):054011.
2005: Adam P Gibson; Jeremy C Hebden; Riley Jason; Nick Everdell; Martin Schweiger; Simon R Arridge; David T Delpy
Linear and nonlinear reconstruction for optical tomography of phantoms with nonscattering regions.
Applied optics 2005;44(19):3925-36.
2005: Murad Banaji; Ilias Tachtsidis; David T Delpy; Stephen Baigent
A physiological model of cerebral blood flow control.
Mathematical biosciences 2005;194(2):125-73.
2005: Clare E Elwell; Julian R Henty; Terence S Leung; Topun Austin; Judith H Meek; David T Delpy; John S Wyatt
Measurement of CMRO2 in neonates undergoing intensive care using near infrared spectroscopy.
Advances in experimental medicine and biology 2005;566():263-8.
2005: Ilias Tachtsidis; Clare E Elwell; Terence S Leung; Katharine Bleasdale-Barr; Katharine Hunt; Nathan Toms; Martin Smith; Christopher J Mathias; David T Delpy
Rate of change in cerebral oxygenation and blood pressure in response to passive changes in posture: a comparison between pure autonomic failure patients and controls.
Advances in experimental medicine and biology 2005;566():187-93.
2005: Terence S Leung; Clare E Elwell; David T Delpy
Optimal determination of detector placement in cerebral NIR spectroscopy of neonates using chemometric techniques.
Advances in experimental medicine and biology 2005;566():9-15.
2004: Tiziano Binzoni; Terence S Leung; Mohamed L Seghier; David T Delpy
Translational and Brownian motion in laser-Doppler flowmetry of large tissue volumes.
Physics in medicine and biology 2004;49(24):5445-58.
2004: Tiziano Binzoni; T Leung; David T Delpy; M A Fauci; Daniel Rüfenacht
Mapping human skeletal muscle perforator vessels using a quantum well infrared photodetector (QWIP) might explain the variability of NIRS and LDF measurements.
Physics in medicine and biology 2004;49(12):N165-73.
2004: Jeremy C Hebden; Adam Gibson; Topun Austin; Rozarina Md Yusof; Nick Everdell; David T Delpy; Simon R Arridge; Judith H Meek; John S Wyatt
Imaging changes in blood volume and oxygenation in the newborn infant brain using three-dimensional optical tomography.
Physics in medicine and biology 2004;49(7):1117-30.
2004: Ilias Tachtsidis; Clare E Elwell; Terence S Leung; Chuen-Wai Lee; Martin Smith; David T Delpy
Investigation of cerebral haemodynamics by near-infrared spectroscopy in young healthy volunteers reveals posture-dependent spontaneous oscillations.
Physiological measurement 2004;25(2):437-45.
2004: Terence S Leung; Narendra Aladangady; Clare E Elwell; David T Delpy; Kate Costeloe
A new method for the measurement of cerebral blood volume and total circulating blood volume using near infrared spatially resolved spectroscopy and indocyanine green: application and validation in neonates.
Pediatric research 2004;55(1):134-41.
2003: Veronica Hollis; Miriam Palacios-Callender; Roger Springett; David T Delpy; Salvador Moncada
Monitoring cytochrome redox changes in the mitochondria of intact cells using multi-wavelength visible light spectroscopy.
Biochimica et biophysica acta 2003;1607(2-3):191-202.
2003: Tiziano Binzoni; Terence Leung; Veronica Hollis; Stefano Bianchi; Jean H D Fasel; Henri Bounameaux; Emile Hiltbrand; David T Delpy
Human tibia bone marrow: defining a model for the study of haemodynamics as a function of age by near infrared spectroscopy.
Journal of physiological anthropology and applied human science 2003;22(5):211-8.
2003: Tiziano Binzoni; Terence S Leung; D Boggett; David T Delpy
Non-invasive laser Doppler perfusion measurements of large tissue volumes and human skeletal muscle blood RMS velocity.
Physics in medicine and biology 2003;48(15):2527-49.
2003: Adam Gibson; Rozarina Md Yusof; Hamid Dehghani; Riley Jason; Nick Everdell; Robin Richards; Jeremy C Hebden; Martin Schweiger; Simon R Arridge; David T Delpy
Optical tomography of a realistic neonatal head phantom.
Applied optics 2003;42(16):3109-16.
2003: Eiji Okada; David T Delpy
Near-infrared light propagation in an adult head model. II. Effect of superficial tissue thickness on the sensitivity of the near-infrared spectroscopy signal.
Applied optics 2003;42(16):2915-22.
2003: Eiji Okada; David T Delpy
Near-infrared light propagation in an adult head model. I. Modeling of low-level scattering in the cerebrospinal fluid layer.
Applied optics 2003;42(16):2906-14.
2003: Adam P Gibson; Riley Jason; Martin Schweiger; Jeremy C Hebden; Simon R Arridge; David T Delpy
A method for generating patient-specific finite element meshes for head modelling.
Physics in medicine and biology 2003;48(4):481-95.
2003: Ilias Tachtsidis; Clare E Elwell; Chuen-Wai Lee; Terence S Leung; Martin Smith; David T Delpy
Spectral characteristics of spontaneous oscillations in cerebral haemodynamics are posture dependent.
Advances in experimental medicine and biology 2003;540():31-6.
2003: Terence S Leung; Clare E Elwell; Ilias Tachtsidis; Julian R Henty; David T Delpy
Measurement of the optical properties of the adult human head with spatially resolved spectroscopy and changes of posture.
Advances in experimental medicine and biology 2003;540():13-8.
2003: Roger Springett; Marzena Wylezinska; Ernest B Cady; Veronica Hollis; Mark Cope; David T Delpy
The oxygen dependency of cerebral oxidative metabolism in the newborn piglet studied with 31P NMRS and NIRS.
Advances in experimental medicine and biology 2003;530():555-63.
2003: Tiziano Binzoni; Loan Ngo; Massimo Girardis; Roger Springett; François Terrier; David T Delpy
Venous-arteriolar reflex in human gastrocnemius studied by NIRS.
Advances in experimental medicine and biology 2003;530():467-73.
2003: Terence S Leung; Clare E Elwell; Julian R Henty; David T Delpy
Simultaneous measurement of cerebral tissue oxygenation over the adult frontal and motor cortex during rest and functional activation.
Advances in experimental medicine and biology 2003;510():385-9.
2003: Jeremy C Hebden; Felipe M Gonzalez; Adam Gibson; Elizabeth M C Hillman; Rozarina Md Yusof; Nick Everdell; David T Delpy; Giovanni Zaccanti; Fabrizio Martelli
Assessment of an in situ temporal calibration method for time-resolved optical tomography.
Journal of biomedical optics 2003;8(1):87-92.
2002: Jeremy C Hebden; Adam Gibson; Rozarina Md Yusof; Nick Everdell; Elizabeth M C Hillman; David T Delpy; Simon R Arridge; Topun Austin; Judith H Meek; John S Wyatt
Three-dimensional optical tomography of the premature infant brain.
Physics in medicine and biology 2002;47(23):4155-66.
2002: Tiziano Binzoni; S Blanchi; Jean H D Fasel; H Bounameaux; Emile Hiltbrand; David T Delpy
Human tibia bone marrow blood perfusion by non-invasive near infrared spectroscopy: a new tool for studies on microgravity.
Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology 2002;9(1):P183-4.
2002: Felix Gora; Samantha Shinde; Clare E Elwell; John C Goldstone; Mark Cope; David T Delpy; Martin Smith
Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study.
Journal of neurosurgical anesthesiology 2002;14(3):218-22.
2002: Tiziano Binzoni; Loan Ngo; Emile Hiltbrand; Roger Springett; David T Delpy
Non-standard O(2) consumption-temperature curves during rest and isometric exercise in human skeletal muscle.
Comparative biochemistry and physiology. Part A, Molecular & integrative physiology 2002;132(1):27-32.
2002: Alexander M Seifalian; Hamid El-Desoky; David T Delpy; Brian R Davidson
Effects of hepatic ischaemia/reperfusion injury in a rabbit model of Indocyanine Green clearance.
Clinical science (London, England : 1979) 2002;102(5):579-86.
2002: Derek W Brown; Paul A Picot; Jafar Gharavi Naeini; Roger Springett; David T Delpy; Ting-Yim Lee
Quantitative near infrared spectroscopy measurement of cerebral hemodynamics in newborn piglets.
Pediatric research 2002;51(5):564-70.
2002: Geofrey De Visscher; Roger Springett; David T Delpy; Jos Van Reempts; Marcel Borgers; Koen van Rossem
Nitric oxide does not inhibit cerebral cytochrome oxidase in vivo or in the reactive hyperemic phase after brief anoxia in the adult rat.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2002;22(5):515-9.
2001: Alexander M Seifalian; H El-Desoky; David T Delpy; Brian R Davidson
Effect of graded hypoxia on the rat hepatic tissue oxygenation and energy metabolism monitored by near-infrared and 31P nuclear magnetic resonance spectroscopy.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology 2001;15(14):2642-8.
2001: Roger Springett; Y Sakata; David T Delpy
Precise measurement of cerebral blood flow in newborn piglets from the bolus passage of indocyanine green.
Physics in medicine and biology 2001;46(8):2209-25.
2001: Jeremy C Hebden; H Veenstra; Hamid Dehghani; Elizabeth M C Hillman; Martin Schweiger; Simon R Arridge; David T Delpy
Three-dimensional time-resolved optical tomography of a conical breast phantom.
Applied optics 2001;40(19):3278-87.
2001: Tiziano Binzoni; David T Delpy
Local temperature changes and human skeletal muscle metabolism.
Journal of physiological anthropology and applied human science 2001;20(3):159-74.
2001: Elizabeth M C Hillman; Jeremy C Hebden; Martin Schweiger; Hamid Dehghani; F E Schmidt; David T Delpy; Simon R Arridge
Time resolved optical tomography of the human forearm.
Physics in medicine and biology 2001;46(4):1117-30.
2001: AE El-Desoky; David T Delpy; Brian R Davidson; Alexander M Seifalian
Assessment of hepatic ischaemia reperfusion injury by measuring intracellular tissue oxygenation using near infrared spectroscopy.
Liver 2001;21(1):37-44.
2000: Roger Springett; J Newman; Mark Cope; David T Delpy
Oxygen dependency and precision of cytochrome oxidase signal from full spectral NIRS of the piglet brain.
American journal of physiology. Heart and circulatory physiology 2000;279(5):H2202-9.
2000: Tiziano Binzoni; Emile Hiltbrand; François Terrier; Paolo Cerretelli; David T Delpy
Temperature dependence of human gastrocnemius pH and high-energy phosphate concentration by noninvasive techniques.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2000;43(4):611-4.
2000: Roger Springett; Marzena Wylezinska; Ernest B Cady; Mark Cope; David T Delpy
Oxygen dependency of cerebral oxidative phosphorylation in newborn piglets.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2000;20(2):280-9.
1999: Hamid Dehghani; David T Delpy; Simon R Arridge
Photon migration in non-scattering tissue and the effects on image reconstruction.
Physics in medicine and biology 1999;44(12):2897-906.
1999: AE El-Desoky; Alexander M Seifalian; Mark Cope; David T Delpy; Brian R Davidson
Experimental study of liver dysfunction evaluated by direct indocyanine green clearance using near infrared spectroscopy.
The British journal of surgery 1999;86(8):1005-11.
1999: AE El-Desoky; Alexander M Seifalian; M Cope; David T Delpy; B Davidson
Changes in tissue oxygenation of the porcine liver measured by near-infrared spectroscopy.
Liver transplantation and surgery : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society 1999;5(3):219-26.
1999: Tiziano Binzoni; Roger Springett; J C Dalton; David T Delpy
A new combined deep-body-temperature/NIRs probe for noninvasive metabolic measurements on human skeletal muscle.
Advances in experimental medicine and biology 1999;471():623-9.
1999: Roger Springett; J Newman; David T Delpy; Mark Cope
Oxygen dependency of cerebral CuA redox state during increased oxygen consumption produced by infusion of a mitochondrial uncoupler in newborn piglets.
Advances in experimental medicine and biology 1999;471():181-8.
1999: Clare E Elwell; Roger Springett; Elizabeth M C Hillman; David T Delpy
Oscillations in cerebral haemodynamics. Implications for functional activation studies.
Advances in experimental medicine and biology 1999;471():57-65.
1999: Chris E Cooper; Mark Cope; Roger Springett; PN Amess; JM Penrice; L Tyszczuk; S Punwani; Roger J Ordidge; John Wyatt; David T Delpy
Use of mitochondrial inhibitors to demonstrate that cytochrome oxidase near-infrared spectroscopy can measure mitochondrial dysfunction noninvasively in the brain.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 1999;19(1):27-38.
1998: Michael J Firbank; Clare E Elwell; Chris E Cooper; David T Delpy
Experimental and theoretical comparison of NIR spectroscopy measurements of cerebral hemoglobin changes.
Journal of applied physiology (Bethesda, Md. : 1985) 1998;85(5):1915-21.
1998: V Quaresima; Roger Springett; Mark Cope; J T Wyatt; David T Delpy; Marco Ferrari; Chris E Cooper
Oxidation and reduction of cytochrome oxidase in the neonatal brain observed by in vivo near-infrared spectroscopy.
Biochimica et biophysica acta 1998;1366(3):291-300.
1998: Chris E Cooper; David T Delpy; E M Nemoto
The relationship of oxygen delivery to absolute haemoglobin oxygenation and mitochondrial cytochrome oxidase redox state in the adult brain: a near-infrared spectroscopy study.
The Biochemical journal 1998;332 ( Pt 3)():627-32.
1998: HR Gamba; David T Delpy
Measurement of electrical current density distribution within the tissues of the head by magnetic resonance imaging.
Medical & biological engineering & computing 1998;36(2):165-70.
1997: HR Gamba; David T Delpy
Artefacts in MR images of electrical current distribution.
Physics in medicine and biology 1997;42(12):2481-91.
1997: Jeremy C Hebden; David T Delpy
Diagnostic imaging with light.
The British journal of radiology 1997;70 Spec No():S206-14.
1997: Tiziano Binzoni; Paolo Cerretelli; M Ferrari; David T Delpy
Metabolic studies of human skeletal muscle by near infrared spectroscopy: possible applications in space research.
International journal of sports medicine 1997;18 Suppl 4():S312-4.
1997: Roger Springett; JM Penrice; PN Amess; L Tyszczuk; David T Delpy; John S Wyatt; Chris E Cooper
Non-invasive measurements of mitochondrial damage during neonatal hypoxia-ischaemia--a role for nitric oxide?
Biochemical Society transactions 1997;25(3):398S.
1997: D R Kirkby; David T Delpy
Parallel operation of Monte Carlo simulations on a diverse network of computers.
Physics in medicine and biology 1997;42(6):1203-8.
1997: Jeremy C Hebden; Simon R Arridge; David T Delpy
Optical imaging in medicine: I. Experimental techniques.
Physics in medicine and biology 1997;42(5):825-40.
1997: D J Hall; Jeremy C Hebden; David T Delpy
Evaluation of spatial resolution as a function of thickness for time-resolved optical imaging of highly scattering media.
Medical physics 1997;24(3):361-8.
1997: Michael J Firbank; E Okada; David T Delpy
Investigation of the effect of discrete absorbers upon the measurement of blood volume with near-infrared spectroscopy.
Physics in medicine and biology 1997;42(3):465-77.
1997: SJ Matcher; M Cope; David T Delpy
In vivo measurements of the wavelength dependence of tissue-scattering coefficients between 760 and 900 nm measured with time-resolved spectroscopy.
Applied optics 1997;36(1):386-96.
1997: Clare E Elwell; Mark Cope; David T Delpy
An analytical method for determining cerebrovascular transit time using near infrared spectroscopy.
Advances in experimental medicine and biology 1997;428():561-8.
1997: C Cooper; M Sharpe; Clare E Elwell; Roger Springett; JM Penrice; L Tyszczuk; PN Amess; John Wyatt; V Quaresima; David T Delpy
The cytochrome oxidase redox state in vivo.
Advances in experimental medicine and biology 1997;428():449-56.
1997: Clare E Elwell; SJ Matcher; L Tyszczuk; Judith H Meek; David T Delpy
Measurement of cerebral venous saturation in adults using near infrared spectroscopy.
Advances in experimental medicine and biology 1997;411():453-60.
1997: Chris E Cooper; Mark Cope; V Quaresima; Marco Ferrari; E Nemoto; Roger Springett; SJ Matcher; PN Amess; JM Penrice; L Tyszczuk; John Wyatt; David T Delpy
Measurement of cytochrome oxidase redox state by near infrared spectroscopy.
Advances in experimental medicine and biology 1997;413():63-73.
1996: H Owen-Reece; Clare E Elwell; John S Wyatt; David T Delpy
The effect of scalp ischaemia on measurement of cerebral blood volume by near-infrared spectroscopy.
Physiological measurement 1996;17(4):279-86.
1996: H Owen-Reece; Martin Smith; Clare E Elwell; John C Goldstone; David T Delpy
Near-infrared spectroscopy and cerebral hemodynamics.
Critical care medicine 1996;24(8):1424; author reply 1424-5.
1996: P Hargrave; P W Nicholson; David T Delpy; Michael J Firbank
Optical properties of multicellular tumour spheroids.
Physics in medicine and biology 1996;41(6):1067-72.
1996: D R Kirkby; David T Delpy
Measurement of tissue temporal point spread function (TPSF) by use of a gain-modulated avalanche photodiode detector.
Physics in medicine and biology 1996;41(5):939-49.
1996: A Duncan; Judith H Meek; Matthew Clemence; Clare E Elwell; P Fallon; L Tyszczuk; Mark Cope; David T Delpy
Measurement of cranial optical path length as a function of age using phase resolved near infrared spectroscopy.
Pediatric research 1996;39(5):889-94.
1996: Michael J Firbank; Simon R Arridge; Martin Schweiger; David T Delpy
An investigation of light transport through scattering bodies with non-scattering regions.
Physics in medicine and biology 1996;41(4):767-83.
1996: Clare E Elwell; H Owen-Reece; John S Wyatt; Mark Cope; EO Reynolds; David T Delpy
Influence of respiration and changes in expiratory pressure on cerebral haemoglobin concentration measured by near infrared spectroscopy.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 1996;16(2):353-7.
1996: C J Aldrich; Donato D'Antona; J A Spencer; David T Delpy; EO Reynolds; John S Wyatt
Fetal heart rate changes and cerebral oxygenation measured by near-infrared spectroscopy during the first stage of labour.
European journal of obstetrics, gynecology, and reproductive biology 1996;64(2):189-95.
1996: Chris E Cooper; Clare E Elwell; Judith H Meek; SJ Matcher; John S Wyatt; Mark Cope; David T Delpy
The noninvasive measurement of absolute cerebral deoxyhemoglobin concentration and mean optical path length in the neonatal brain by second derivative near infrared spectroscopy.
Pediatric research 1996;39(1):32-8.
1996: H Owen-Reece; Clare E Elwell; W Harkness; John C Goldstone; David T Delpy; John S Wyatt; Martin Smith
Use of near infrared spectroscopy to estimate cerebral blood flow in conscious and anaesthetized adult subjects.
British journal of anaesthesia 1996;76(1):43-8.
1995: E Okada; Michael J Firbank; David T Delpy
The effect of overlying tissue on the spatial sensitivity profile of near-infrared spectroscopy.
Physics in medicine and biology 1995;40(12):2093-108.
1995: M Schweiger; Simon R Arridge; M Hiraoka; David T Delpy
The finite element method for the propagation of light in scattering media: boundary and source conditions.
Medical physics 1995;22(11 Pt 1):1779-92.
1995: Judith H Meek; Clare E Elwell; M J Khan; J Romaya; John S Wyatt; David T Delpy; Semir Zeki
Regional changes in cerebral haemodynamics as a result of a visual stimulus measured by near infrared spectroscopy.
Proceedings. Biological sciences / The Royal Society 1995;261(1362):351-6.
1995: C J Aldrich; Donato D'Antona; J A Spencer; John S Wyatt; Donald M Peebles; David T Delpy; EO Reynolds
The effect of maternal pushing on fetal cerebral oxygenation and blood volume during the second stage of labour.
British journal of obstetrics and gynaecology 1995;102(6):448-53.
1995: SJ Matcher; Clare E Elwell; Chris E Cooper; Mark Cope; David T Delpy
Performance comparison of several published tissue near-infrared spectroscopy algorithms.
Analytical biochemistry 1995;227(1):54-68.
1995: Michael J Firbank; M Oda; David T Delpy
An improved design for a stable and reproducible phantom material for use in near-infrared spectroscopy and imaging.
Physics in medicine and biology 1995;40(5):955-61.
1995: Donato D'Antona; C J Aldrich; J A Spencer; David T Delpy; EO Reynolds; John S Wyatt
Effect of nuchal cord on fetal cerebral haemodynamics and oxygenation measured by near infrared spectroscopy during labour.
European journal of obstetrics, gynecology, and reproductive biology 1995;59(2):205-9.
1995: A Duncan; Judith H Meek; Matthew Clemence; Clare E Elwell; L Tyszczuk; Mark Cope; David T Delpy
Optical pathlength measurements on adult head, calf and forearm and the head of the newborn infant using phase resolved optical spectroscopy.
Physics in medicine and biology 1995;40(2):295-304.
1995: Jeremy C Hebden; D J Hall; David T Delpy
The spatial resolution performance of a time-resolved optical imaging system using temporal extrapolation.
Medical physics 1995;22(2):201-8.
1995: C J Aldrich; Donato D'Antona; J A Spencer; John S Wyatt; Donald M Peebles; David T Delpy; EO Reynolds
Late fetal heart decelerations and changes in cerebral oxygenation during the first stage of labour.
British journal of obstetrics and gynaecology 1995;102(1):9-13.
1995: C J Aldrich; Donato D'Antona; J A Spencer; John S Wyatt; Donald M Peebles; David T Delpy; EO Reynolds
The effect of maternal posture on fetal cerebral oxygenation during labour.
British journal of obstetrics and gynaecology 1995;102(1):14-9.
1994: Clare E Elwell; Mark Cope; A David Edwards; John S Wyatt; David T Delpy; EO Reynolds
Quantification of adult cerebral hemodynamics by near-infrared spectroscopy.
Journal of applied physiology (Bethesda, Md. : 1985) 1994;77(6):2753-60.
1994: P M Gewehr; David T Delpy
Analysis of non-linearity of optical oxygen sensors based upon phosphorescence lifetime quenching.
Medical & biological engineering & computing 1994;32(6):659-64.
1994: Chris E Cooper; SJ Matcher; John S Wyatt; Mark Cope; G C Brown; E M Nemoto; David T Delpy
Near-infrared spectroscopy of the brain: relevance to cytochrome oxidase bioenergetics.
Biochemical Society transactions 1994;22(4):974-80.
1994: Michael J Firbank; David T Delpy
A phantom for the testing and calibration of near infra-red spectrometers.
Physics in medicine and biology 1994;39(9):1509-13.
1994: C J Aldrich; John S Wyatt; J A Spencer; EO Reynolds; David T Delpy
The effect of maternal oxygen administration on human fetal cerebral oxygenation measured during labour by near infrared spectroscopy.
British journal of obstetrics and gynaecology 1994;101(6):509-13.
1994: Donald M Peebles; J A Spencer; A David Edwards; John S Wyatt; EO Reynolds; Mark Cope; David T Delpy
Relation between frequency of uterine contractions and human fetal cerebral oxygen saturation studied during labour by near infrared spectroscopy.
British journal of obstetrics and gynaecology 1994;101(1):44-8.
1994: Clare E Elwell; H Owen-Reece; Mark Cope; A David Edwards; John S Wyatt; EO Reynolds; David T Delpy
Measurement of changes in cerebral haemodynamics during inspiration and expiration using near infrared spectroscopy.
Advances in experimental medicine and biology 1994;345():619-26.
1994: SJ Matcher; Mark Cope; David T Delpy
Use of the water absorption spectrum to quantify tissue chromophore concentration changes in near-infrared spectroscopy.
Physics in medicine and biology 1994;39(1):177-96.
1994: H Owen-Reece; Clare E Elwell; John C Goldstone; Martin Smith; David T Delpy; John S Wyatt
Investigation of the effects of hypocapnia upon cerebral haemodynamics in normal volunteers and anaesthetised subjects by near infrared spectroscopy (NIRS).
Advances in experimental medicine and biology 1994;361():475-82.
1994: Clare E Elwell; Mark Cope; D Kirkby; H Owen-Reece; Chris E Cooper; EO Reynolds; David T Delpy
An automated system for the measurement of the response of cerebral blood volume and cerebral blood flow to changes in arterial carbon dioxide tension using near infrared spectroscopy.
Advances in experimental medicine and biology 1994;361():143-55.
1993: M Hiraoka; Michael J Firbank; M Essenpreis; Mark Cope; Simon R Arridge; P van der Zee; David T Delpy
A Monte Carlo investigation of optical pathlength in inhomogeneous tissue and its application to near-infrared spectroscopy.
Physics in medicine and biology 1993;38(12):1859-76.
1993: A David Edwards; C Richardson; P van der Zee; Clare E Elwell; John S Wyatt; Mark Cope; David T Delpy; EO Reynolds
Measurement of hemoglobin flow and blood flow by near-infrared spectroscopy.
Journal of applied physiology (Bethesda, Md. : 1985) 1993;75(4):1884-9.
1993: Y Takei; A David Edwards; A Lorek; Donald M Peebles; A Belai; Mark Cope; David T Delpy; EO Reynolds
Effects of N-omega-nitro-L-arginine methyl ester on the cerebral circulation of newborn piglets quantified in vivo by near-infrared spectroscopy.
Pediatric research 1993;34(3):354-9.
1993: D C McCormick; A David Edwards; G C Brown; John S Wyatt; A Potter; Mark Cope; David T Delpy; EO Reynolds
Effect of indomethacin on cerebral oxidized cytochrome oxidase in preterm infants.
Pediatric research 1993;33(6):603-8.
1993: Michael J Firbank; M Hiraoka; M Essenpreis; David T Delpy
Measurement of the optical properties of the skull in the wavelength range 650-950 nm.
Physics in medicine and biology 1993;38(4):503-10.
1993: Simon R Arridge; M Schweiger; M Hiraoka; David T Delpy
A finite element approach for modeling photon transport in tissue.
Medical physics 1993;20(2 Pt 1):299-309.
1993: M Essenpreis; Mark Cope; Clare E Elwell; Simon R Arridge; P van der Zee; David T Delpy
Wavelength dependence of the differential pathlength factor and the log slope in time-resolved tissue spectroscopy.
Advances in experimental medicine and biology 1993;333():9-20.
1993: P M Gewehr; David T Delpy
Optical oxygen sensor based on phosphorescence lifetime quenching and employing a polymer immobilised metalloporphyrin probe. Part 1. Theory and instrumentation.
Medical & biological engineering & computing 1993;31(1):2-10.
1993: P M Gewehr; David T Delpy
Optical oxygen sensor based on phosphorescence lifetime quenching and employing a polymer immobilised metalloporphyrin probe. Part 2. Sensor membranes and results.
Medical & biological engineering & computing 1993;31(1):11-21.
1993: Clare E Elwell; H Owen-Reece; Mark Cope; John S Wyatt; A David Edwards; David T Delpy; EO Reynolds
Measurement of adult cerebral haemodynamics using near infrared spectroscopy.
Acta neurochirurgica. Supplementum 1993;59():74-80.
1992: Donald M Peebles; A David Edwards; John S Wyatt; Mark Cope; David T Delpy; E O Reynold
Changes in human fetal cerebral oxygenation and blood volume during delivery.
American journal of obstetrics and gynecology 1992;167(6):1916-7.
1992: A David Edwards; D C McCormick; S C Roth; Clare E Elwell; Donald M Peebles; Mark Cope; John S Wyatt; David T Delpy; EO Reynolds
Cerebral hemodynamic effects of treatment with modified natural surfactant investigated by near infrared spectroscopy.
Pediatric research 1992;32(5):532-6.
1992: Simon R Arridge; Mark Cope; David T Delpy
The theoretical basis for the determination of optical pathlengths in tissue: temporal and frequency analysis.
Physics in medicine and biology 1992;37(7):1531-60.
1992: Donald M Peebles; A David Edwards; John S Wyatt; A P Bishop; Mark Cope; David T Delpy; EO Reynolds
Changes in human fetal cerebral hemoglobin concentration and oxygenation during labor measured by near-infrared spectroscopy.
American journal of obstetrics and gynecology 1992;166(5):1369-73.
1992: S C Roth; A David Edwards; Ernest B Cady; David T Delpy; John S Wyatt; Denis Azzopardi; Jenny Baudin; J Townsend; Ann L Stewart; EO Reynolds
Relation between cerebral oxidative metabolism following birth asphyxia, and neurodevelopmental outcome and brain growth at one year.
Developmental medicine and child neurology 1992;34(4):285-95.
1992: Clare E Elwell; Mark Cope; A David Edwards; John S Wyatt; EO Reynolds; David T Delpy
Measurement of cerebral blood flow in adult humans using near infrared spectroscopy--methodology and possible errors.
Advances in experimental medicine and biology 1992;317():235-45.
1991: A David Edwards; G C Brown; Mark Cope; John S Wyatt; D C McCormick; S C Roth; David T Delpy; EO Reynolds
Quantification of concentration changes in neonatal human cerebral oxidized cytochrome oxidase.
Journal of applied physiology (Bethesda, Md. : 1985) 1991;71(5):1907-13.
1991: Donald M Peebles; A David Edwards; John S Wyatt; A P Bishop; Mark Cope; David T Delpy; EO Reynolds
Effect of oxytocin on fetal brain oxygenation during labour.
Lancet 1991;338(8761):254-5.
1991: John S Wyatt; A David Edwards; Mark Cope; David T Delpy; D C McCormick; A Potter; EO Reynolds
Response of cerebral blood volume to changes in arterial carbon dioxide tension in preterm and term infants.
Pediatric research 1991;29(6):553-7.
1991: T R Cheatle; L A Potter; Mark Cope; David T Delpy; PD Coleridge Smith; JOHN HENRY SCURR
Near-infrared spectroscopy in peripheral vascular disease.
The British journal of surgery 1991;78(4):405-8.
1990: A David Edwards; John S Wyatt; C Richardson; A Potter; Mark Cope; David T Delpy; EO Reynolds
Effects of indomethacin on cerebral haemodynamics in very preterm infants.
Lancet 1990;335(8704):1491-5.
1990: I L Hutchison; Mark Cope; David T Delpy; C E Richardson; M Harris
The investigation of osteoradionecrosis of the mandible by near infrared spectroscopy.
The British journal of oral & maxillofacial surgery 1990;28(3):150-4.
1990: John S Wyatt; Mark Cope; David T Delpy; C E Richardson; A David Edwards; S Wray; EO Reynolds
Quantitation of cerebral blood volume in human infants by near-infrared spectroscopy.
Journal of applied physiology (Bethesda, Md. : 1985) 1990;68(3):1086-91.
1990: John S Wyatt; Mark Cope; David T Delpy; P van der Zee; Simon R Arridge; A David Edwards; EO Reynolds
Measurement of optical path length for cerebral near-infrared spectroscopy in newborn infants.
Developmental neuroscience 1990;12(2):140-4.
1990: P van der Zee; Simon R Arridge; Mark Cope; David T Delpy
The effect of optode positioning on optical pathlength in near infrared spectroscopy of brain.
Advances in experimental medicine and biology 1990;277():79-84.
1989: Denis Azzopardi; John S Wyatt; Ernest B Cady; David T Delpy; Jenny Baudin; Ann L Stewart; P L Hope; P A Hamilton; EO Reynolds
Prognosis of newborn infants with hypoxic-ischemic brain injury assessed by phosphorus magnetic resonance spectroscopy.
Pediatric research 1989;25(5):445-51.
1989: Denis Azzopardi; John S Wyatt; P A Hamilton; Ernest B Cady; David T Delpy; P L Hope; EO Reynolds
Phosphorus metabolites and intracellular pH in the brains of normal and small for gestational age infants investigated by magnetic resonance spectroscopy.
Pediatric research 1989;25(5):440-4.
1989: David T Delpy; Simon R Arridge; Mark Cope; D Edwards; EO Reynolds; C E Richardson; S Wray; John Wyatt; P van der Zee
Quantitation of pathlength in optical spectroscopy.
Advances in experimental medicine and biology 1989;248():41-6.
1989: Mark Cope; David T Delpy; S Wray; John S Wyatt; EO Reynolds
A CCD spectrophotometer to quantitate the concentration of chromophores in living tissue utilising the absorption peak of water at 975 nm.
Advances in experimental medicine and biology 1989;248():33-40.
1988: David T Delpy; Mark Cope; P van der Zee; Simon R Arridge; S Wray; John Wyatt
Estimation of optical pathlength through tissue from direct time of flight measurement.
Physics in medicine and biology 1988;33(12):1433-42.
1988: David T Delpy
Developments in oxygen monitoring.
Journal of biomedical engineering 1988;10(6):533-40.
1988: EO Reynolds; John S Wyatt; Denis Azzopardi; David T Delpy; Ernest B Cady; M Cope; S Wray
New non-invasive methods for assessing brain oxygenation and haemodynamics.
British medical bulletin 1988;44(4):1052-75.
1988: A David Edwards; John S Wyatt; C Richardson; David T Delpy; Mark Cope; EO Reynolds
Cotside measurement of cerebral blood flow in ill newborn infants by near infrared spectroscopy.
Lancet 1988;2(8614):770-1.
1988: P L Hope; Ernest B Cady; David T Delpy; N K Ives; R M Gardiner; EO Reynolds
Brain metabolism and intracellular pH during ischaemia: effects of systemic glucose and bicarbonate administration studied by 31P and 1H nuclear magnetic resonance spectroscopy in vivo in the lamb.
Journal of neurochemistry 1988;50(5):1394-402.
1988: S Wray; Mark Cope; David T Delpy; John S Wyatt; EO Reynolds
Characterization of the near infrared absorption spectra of cytochrome aa3 and haemoglobin for the non-invasive monitoring of cerebral oxygenation.
Biochimica et biophysica acta 1988;933(1):184-92.
1988: P van der Zee; David T Delpy
Computed point spread functions for light in tissue using a measured volume scattering function.
Advances in experimental medicine and biology 1988;222():191-7.
1988: Mark Cope; David T Delpy; EO Reynolds; S Wray; John Wyatt; P van der Zee
Methods of quantitating cerebral near infrared spectroscopy data.
Advances in experimental medicine and biology 1988;222():183-9.
1987: P Van der Zee; David T Delpy
Simulation of the point spread function for light in tissue by a Monte Carlo method.
Advances in experimental medicine and biology 1987;215():179-91.
1987: David T Delpy; Mark Cope; Ernest B Cady; John S Wyatt; P A Hamilton; P L Hope; S Wray; EO Reynolds
Cerebral monitoring in newborn infants by magnetic resonance and near infrared spectroscopy.
Scandinavian journal of clinical and laboratory investigation. Supplementum 1987;188():9-17.
1986: P A Hamilton; P L Hope; Ernest B Cady; David T Delpy; John S Wyatt; EO Reynolds
Impaired energy metabolism in brains of newborn infants with increased cerebral echodensities.
Lancet 1986;1(8492):1242-6.
1984: P L Hope; A M Costello; Ernest B Cady; David T Delpy; P S Tofts; A Chu; P A Hamilton; EO Reynolds; D R Wilkie
Cerebral energy metabolism studied with phosphorus NMR spectroscopy in normal and birth-asphyxiated infants.
Lancet 1984;2(8399):366-70.
1984: P S Tofts; Ernest B Cady; David T Delpy; A M Costello; P L Hope; EO Reynolds; D R Wilkie; S J Gould; D Edwards
Surface coil NMR spectroscopy of brain.
Lancet 1984;1(8374):459.
1983: Ernest B Cady; A M Costello; M Joan Dawson; David T Delpy; P L Hope; EO Reynolds; P S Tofts; D R Wilkie
Non-invasive investigation of cerebral metabolism in newborn infants by phosphorus nuclear magnetic resonance spectroscopy.
Lancet 1983;1(8333):1059-62.