Imperial College London

Professor Chris Dunsby

Faculty of Natural SciencesDepartment of Physics

Professor of Biomedical Optics
 
 
 
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Contact

 

+44 (0)20 7594 7755christopher.dunsby Website

 
 
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Location

 

622Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

272 results found

Talbot CB, Patalay R, Munro I, Breunig HG, Koenig K, Alexandrov Y, Warren S, Chu A, Stamp GW, Neil MAA, French PMW, Dunsby Cet al., 2011, A multispectral FLIM tomograph for <i>in vivo</i> imaging of skin cancer, Conference on Multiphoton Microscopy in the Biomedical Sciences XI, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X

Conference paper

McGinty J, Talbot C, Owen D, Grant D, Kumar S, Galletly N, Treanor B, Kennedy G, Lanigan PMP, Munro I, Elson DS, Magee A, Davis D, Stamp G, Neil M, Dunsby C, French PMWet al., 2011, Fluorescence Lifetime Imaging Microscopy, Endoscopy and Tomography, Editors: Boas, Pitris, Ramanujam, ISBN: 1420090364

Book chapter

Patalay R, Talbot C, Alexandrov Y, Munro I, Breunig HG, Koenig K, Warren S, Neil MAA, French PMW, Chu A, Stamp GW, Dunsby Cet al., 2011, Non-invasive imaging of skin cancer with fluorescence lifetime imaging using two photon tomography, Conference on Clinical and Biomedical Spectroscopy and Imaging II, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X

Conference paper

McGinty J, Galletly NP, Dunsby C, Munro I, Elson DS, Requejo-Isidro J, Cohen P, Ahmad R, Forsyth A, Thillainayagam AV, Neil MAA, French PMW, Stamp GWet al., 2010, Wide-field fluorescence lifetime imaging of cancer, BIOMEDICAL OPTICS EXPRESS, Vol: 1, Pages: 627-640, ISSN: 2156-7085

Journal article

Talbot C, McGinty J, McGhee E, Owen D, Grant D, Kumar S, De Beule P, Auksorius E, Manning H, Galletly N, Treanor B, Kennedy G, Lanigan PMP, Munro I, Elson DS, McGee A, Davis D, Neil M, Stamp G, Dunsby C, French PMWet al., 2010, Fluorescence Lifetime Imaging and Metrology for Biomedicine, Handbook of Photonics for Biomedical Science, ISBN: 978-1439806289

Book chapter

Dunsby C, French PMW, 2010, Biophotonics applications of supercontinuum generation, Supercontinuum Generation in Optical Fibers, Pages: 349-373, ISBN: 9780521514804

Introduction Continua generated using high pulse energy laser systems to create broad spectra (Alfano and Shapiro, 1970) have been used for spectroscopy for many years (e.g. Busch et al., 1973). The application of fibre-generated continua to spectroscopy was suggested as early as 1976 in work by Lin and Stolen (1976) where a continuum spanning ∼450-600 nm was generated in a step-index fibre pumped by a nitrogen pumped dye laser. Since the demonstration of supercontinuum generation in microstructured optical fibres (MOF), however, the range of spectroscopic and imaging applications has increased enormously, owing to the high average powers, unprecedented spectral width and relatively low cost and low complexity of such sources. This chapter specifically focuses on the applications of supercontinua generated in MOFs and, in particular, on applications in biophotonics. MOF supercontinuum sources can be broadly grouped into three categories according to whether the laser pump source emits femtosecond pulses, picosecond-nanosecond pulses or cw radiation. In general terms, sub-ps pulses can produce broad supercontinua spanning from the UV to the NIR but the peak intensity damage threshold at the input end of the microstructured optical fibre limits the maximum average power that can be obtained in the supercontinuum to ∼<0.5 W with typically ∼<0.5 mW/nm available in the visible spectrum. The use of pump lasers with longer ps-ns pulses can significantly increase the maximum available average power before the onset of damage in the MOF such that high power supercontinua with several mW/nm in the visible can be achieved (e.g. Rulkov et al., 2005).

Book chapter

Kennedy GT, Manning HB, Elson DS, Neil MAA, Stamp GW, Viellerobe B, Lacombe F, Dunsby C, French PMWet al., 2010, A fluorescence lifetime imaging scanning confocal endomicroscope, JOURNAL OF BIOPHOTONICS, Vol: 3, Pages: 103-107, ISSN: 1864-063X

Journal article

Tang M-X, Elson DS, Li R, Dunsby C, Eckersley RJet al., 2010, Photoacoustics, thermoacoustics, and acousto-optics for biomedical imaging, PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART H-JOURNAL OF ENGINEERING IN MEDICINE, Vol: 224, Pages: 291-306, ISSN: 0954-4119

Journal article

Robinson T, Manning HB, Dunsby C, Neil MAA, Baldwin GS, de Mello AJ, French PMWet al., 2010, Investigating fast enzyme-DNA kinetics using multidimensional fluorescence imaging and microfluidics, Conference on Microfluidics, BioMEMS, and Medical Microsystems VIII, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X

Conference paper

McGinty J, Requejo-Isidro J, Munro I, Talbot CB, Kellett PA, Hares JD, Dunsby C, Neil MAA, French PMWet al., 2009, Signal-to-noise characterization of time-gated intensifiers used for wide-field time-domain FLIM, JOURNAL OF PHYSICS D-APPLIED PHYSICS, Vol: 42, ISSN: 0022-3727

Journal article

McGinty J, Dunsby C, Auksorius E, Benninger RKP, De Beule P, Elson DS, Galletly N, Grant D, Hofmann O, Kennedy G, Kumar S, Lanigan PMP, Manning H, Munro I, Önfelt B, Owen D, Requejo-Isidro J, Suhling K, Talbot CB, Soutter P, Lever MJ, deMello AJ, Stamp GS, Neil MAA, French PMWet al., 2009, Chapter 4 Multidimensional fluorescence imaging

Book

Schaerli Y, Wootton RC, Robinson T, Stein V, Dunsby C, Neil MAA, French PMW, deMello AJ, Abell C, Hollfelder Fet al., 2009, Continuous-Flow Polymerase Chain Reaction of Single-Copy DNA in Microfluidic Microdroplets, ANALYTICAL CHEMISTRY, Vol: 81, Pages: 302-306, ISSN: 0003-2700

Journal article

McGinty J, Dunsby C, Auksorius E, Benninger RKP, De Beule P, Elson DS, Galletly N, Hofmann O, Kennedy G, Lanigan P, Munro I, Onfelt B, Requejo-Isidro J, Suhling K, Talbot C, Soutter P, Lever M, deMello AJ, Stamp G, Neil M, French Pet al., 2009, Multidimensional fluorescence imaging, Laboratory Techniques in Biochemistry and Molecular Biology (FLIM and FRET techniques), Editors: Gadella, Publisher: Elsevier, ISBN: 9780080915128

This volume reviews the techniques Förster Resonance Energy Transfer (FRET) and Fluorescence Lifetime Imaging Microscopy (FLIM) providing researchers with step by step protocols and handy hints and tips.

Book chapter

McGinty J, Dunsby C, Auksorius E, Benninger RKP, De Beule P, Elson DS, Galletly N, Grant D, Hofmann O, Kennedy G, Kumar S, Lanigan PMP, Manning H, Munro I, Onfelt B, Owen D, Requejo-Isidro J, Suhling K, Talbot CB, Soutter P, Lever MJ, deMello AJ, Stamp GS, Neil MAA, French PMWet al., 2009, Multidimensional fluorescence imaging, FRET AND FLIM TECHNIQUES, Editors: Gadella, Publisher: ELSEVIER SCIENCE BV, Pages: 133-169, ISBN: 978-0-08-054958-3

Book chapter

Robinson T, Schaerli Y, Wootton R, Hollfelder F, Dunsby C, Baldwin G, Neil M, French P, deMello Aet al., 2009, Removal of background signals from fluorescence thermometry measurements in PDMS microchannels using fluorescence lifetime imaging, LAB ON A CHIP, Vol: 9, Pages: 3437-3441, ISSN: 1473-0197

Journal article

Li R, Elson DS, Dunsby C, Eckersley R, Tang M-Xet al., 2009, A study on optical modulation signal and tissue displacement in Ultrasound Modulated Optical Tomography, Conference on Photons Plus Ultrasound - Imaging and Sensing 2009, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X

Conference paper

Dunsby C, 2008, Optically sectioned imaging by oblique plane microscopy, OPTICS EXPRESS, Vol: 16, Pages: 20306-20316, ISSN: 1094-4087

Journal article

Talbot C, McGinty J, McGhee E, Grant D, Kumar S, Owen D, Kennedy G, Munro I, Courtney P, Zhang W, Bunney T, Magee T, Davis D, Katan M, Dunsby C, Neil M, French Pet al., 2008, High speed, optically sectioned fluorescence lifetime imaging utilizing time-gated nipkow disk or multifocal multiphoton time correlated single photon counting microscopy

We report two optically sectioned fluorescence lifetime systems that exhibit better signal to noise per unit time than conventional time correlated single photon counting systems. Both systems are applied to biologically relevant samples. ©2007 Optical Society of America.

Conference paper

Manning HB, Kennedy GT, Owen DM, Grant DM, Magee AI, Neil MAA, Itoh Y, Dunsby C, French PMWet al., 2008, A compact, multidimensional spectrofluorometer exploiting supercontinuum generation, JOURNAL OF BIOPHOTONICS, Vol: 1, Pages: 494-505, ISSN: 1864-063X

Journal article

Talbot CB, McGinty J, Grant DM, McGhee EJ, Owen DM, Zhang W, Bunney TD, Munro I, Isherwood B, Eagle R, Hargreaves A, Katan M, Dunsby C, Neil MAA, French PMWet al., 2008, High speed unsupervised fluorescence lifetime imaging confocal multiwell plate reader for high content analysis, JOURNAL OF BIOPHOTONICS, Vol: 1, Pages: 514-521, ISSN: 1864-063X

Journal article

Grant DM, Zhang W, McGhee EJ, Bunney TD, Talbot CB, Kumar S, Munro I, Dunsby C, Neil MAA, Katan M, French PMWet al., 2008, Multiplexed FRET to Image Multiple Signaling Events in Live Cells, BIOPHYSICAL JOURNAL, Vol: 95, Pages: L69-L71, ISSN: 0006-3495

Journal article

Oddos S, Dunsby C, Purbhoo MA, Chauveau A, Owen DM, Neil MAA, Davis DM, French PMWet al., 2008, High-Speed High-Resolution Imaging of Intercellular Immune Synapses Using Optical Tweezers, BIOPHYSICAL JOURNAL, Vol: 95, Pages: L66-L68, ISSN: 0006-3495

Journal article

McGinty J, Tahir KR, Laine R, Talbot CB, Dunsby C, Neil MAA, Quintana L, Swoger J, Sharpe J, French PMWet al., 2008, Fluorescence lifetime optical projection tomography, JOURNAL OF BIOPHOTONICS, Vol: 1, Pages: 390-394, ISSN: 1864-063X

Journal article

Robinson T, Valluri P, Manning HB, Owen DM, Munro I, Talbot CB, Dunsby C, Eccleston JF, Baldwin GS, Neil MAA, de Mello AJ, French PMWet al., 2008, Three-dimensional molecular mapping in a microfluidic mixing device using fluorescence lifetime imaging, OPTICS LETTERS, Vol: 33, Pages: 1887-1889, ISSN: 0146-9592

Journal article

Galletly NP, McGinty J, Dunsby C, Teixeira F, Requejo-Isidro J, Munro I, Elson DS, Neil MAA, Chu AC, French PMW, Stamp GWet al., 2008, Fluorescence lifetime imaging distinguishes basal cell carcinoma from surrounding uninvolved skin, BRITISH JOURNAL OF DERMATOLOGY, Vol: 159, Pages: 152-161, ISSN: 0007-0963

Journal article

Auksorius E, Boruah BR, Dunsby C, Lanigan PMP, Kennedy G, Neil MAA, French PMWet al., 2008, Stimulated emission depletion microscopy with a supercontinuum source and fluorescence lifetime imaging, OPTICS LETTERS, Vol: 33, Pages: 113-115, ISSN: 0146-9592

Journal article

McGinty J, Tahir KB, Soloviev VY, Laine R, Sardini A, Talbot CB, Dunsby C, Munro I, Elson DS, Hajnal JV, Neil MAA, Arridge SR, French PMWet al., 2008, Time-domain fluorescence lifetime tomography

We present a platform for fluorescence lifetime tomography utilising tuneable supercontinuum excitation and wide-field time-gated technology. Applied to optical projection and diffuse fluorescence tomography, we demonstrate 3D time-resolved fluorescence reconstruction in transparent and scattering phantoms.

Conference paper

Owen DM, Auksorius E, Manning HB, Talbot CB, de Beule PAA, Dunsby C, Neil MAA, French PMWet al., 2007, Excitation-resolved hyperspectral fluorescence lifetime imaging using a UV-extended supercontinuum source, OPTICS LETTERS, Vol: 32, Pages: 3408-3410, ISSN: 0146-9592

Journal article

De Beule PAA, Dunsby C, Galletly NP, Stamp GW, Chu AC, Anand U, Anand P, Benham CD, Naylor A, French PMWet al., 2007, A hyperspectral fluorescence lifetime probe for skin cancer diagnosis, REVIEW OF SCIENTIFIC INSTRUMENTS, Vol: 78, ISSN: 0034-6748

Journal article

Grant DM, McGinty J, McGhee EJ, Bunney TD, Owen DM, Talbot CB, Zhang W, Kumar S, Munro I, Lanigan PMP, Kennedy GT, Dunsby C, Magee AI, Courtney P, Katan M, Neil MAA, French PMWet al., 2007, High speed optically sectioned fluorescence lifetime imaging permits study of live cell signaling events, Optics Express, Vol: 15, Pages: 16656-16673

We present a time domain optically sectioned fluorescence lifetime imaging (FLIM) microscope developed for high-speed live cell imaging. This single photon excited system combines wide field parallel pixel detection with confocal sectioning utilizing spinning Nipkow disc microscopy. It can acquire fluorescence lifetime images of live cells at up to 10 frames per second (fps), permitting high-speed FLIM of cell dynamics and protein interactions with potential for high throughput cell imaging and screening applications. We demonstrate the application of this FLIM microscope to real-time monitoring of changes in lipid order in cell membranes following cholesterol depletion using cyclodextrin and to the activation of the small GTP-ase Ras in live cells using FRET. © 2007 Optical Society of America.

Journal article

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