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Items: 1 to 50 of 60

1.

Multivariate calibration of energy-dispersive X-ray diffraction data for predicting the composition of pharmaceutical tablets in packaging.

Crews C, Kenny PS, O'Flynn D, Speller RD.

J Pharm Biomed Anal. 2018 Mar 20;151:186-193. doi: 10.1016/j.jpba.2017.12.036. Epub 2018 Jan 9.

2.

Correlation of X-ray diffraction signatures of breast tissue and their histopathological classification.

Moss RM, Amin AS, Crews C, Purdie CA, Jordan LB, Iacoviello F, Evans A, Speller RD, Vinnicombe SJ.

Sci Rep. 2017 Oct 11;7(1):12998. doi: 10.1038/s41598-017-13399-9.

3.

Three-dimensional cascaded system analysis of a 50 µm pixel pitch wafer-scale CMOS active pixel sensor x-ray detector for digital breast tomosynthesis.

Zhao C, Vassiljev N, Konstantinidis AC, Speller RD, Kanicki J.

Phys Med Biol. 2017 Mar 7;62(5):1994-2017. doi: 10.1088/1361-6560/aa586c. Epub 2017 Jan 10.

PMID:
28072394
4.

Evaluation of the 3D spatial distribution of the Calcium/Phosphorus ratio in bone using computed-tomography dual-energy analysis.

Hadjipanteli A, Kourkoumelis N, Fromme P, Huang J, Speller RD.

Phys Med. 2016 Jan;32(1):162-8. doi: 10.1016/j.ejmp.2015.11.004. Epub 2015 Dec 17.

PMID:
26705707
5.

50 μm pixel pitch wafer-scale CMOS active pixel sensor x-ray detector for digital breast tomosynthesis.

Zhao C, Konstantinidis AC, Zheng Y, Anaxagoras T, Speller RD, Kanicki J.

Phys Med Biol. 2015 Dec 7;60(23):8977-9001. doi: 10.1088/0031-9155/60/23/8977. Epub 2015 Nov 5.

PMID:
26540090
6.

Performance of a novel wafer scale CMOS active pixel sensor for bio-medical imaging.

Esposito M, Anaxagoras T, Konstantinidis AC, Zheng Y, Speller RD, Evans PM, Allinson NM, Wells K.

Phys Med Biol. 2014 Jul 7;59(13):3533-54. doi: 10.1088/0031-9155/59/13/3533. Epub 2014 Jun 9.

PMID:
24909098
7.

Phase-contrast microscopy at high x-ray energy with a laboratory setup.

Endrizzi M, Vittoria FA, Diemoz PC, Lorenzo R, Speller RD, Wagner UH, Rau C, Robinson IK, Olivo A.

Opt Lett. 2014 Jun 1;39(11):3332-5. doi: 10.1364/OL.39.003332.

PMID:
24876046
8.

Proof-of-concept demonstration of edge-illumination x-ray phase contrast imaging combined with tomosynthesis.

Szafraniec MB, Millard TP, Ignatyev K, Speller RD, Olivo A.

Phys Med Biol. 2014 Mar 7;59(5):N1-10. doi: 10.1088/0031-9155/59/5/N1. Epub 2014 Feb 20.

PMID:
24556919
9.

Medicine, material science and security: the versatility of the coded-aperture approach.

Munro PR, Endrizzi M, Diemoz PC, Hagen CK, Szafraniec MB, Millard TP, Zapata CE, Speller RD, Olivo A.

Philos Trans A Math Phys Eng Sci. 2014 Jan 27;372(2010):20130029. doi: 10.1098/rsta.2013.0029. Print 2014 Mar 6.

10.

Low-dose phase contrast mammography with conventional x-ray sources.

Olivo A, Gkoumas S, Endrizzi M, Hagen CK, Szafraniec MB, Diemoz PC, Munro PR, Ignatyev K, Johnson B, Horrocks JA, Vinnicombe SJ, Jones JL, Speller RD.

Med Phys. 2013 Sep;40(9):090701. doi: 10.1118/1.4817480.

PMID:
24007133
11.

Method for automatization of the alignment of a laboratory based x-ray phase contrast edge illumination system.

Millard TP, Endrizzi M, Ignatyev K, Hagen CK, Munro PR, Speller RD, Olivo A.

Rev Sci Instrum. 2013 Aug;84(8):083702. doi: 10.1063/1.4816827.

PMID:
24007068
12.

A quantitative, non-interferometric X-ray phase contrast imaging technique.

Munro PR, Rigon L, Ignatyev K, Lopez FC, Dreossi D, Speller RD, Olivo A.

Opt Express. 2013 Jan 14;21(1):647-61. doi: 10.1364/OE.21.000647.

13.

Image quality evaluation of breast tomosynthesis with synchrotron radiation.

Malliori A, Bliznakova K, Speller RD, Horrocks JA, Rigon L, Tromba G, Pallikarakis N.

Med Phys. 2012 Sep;39(9):5621-34. doi: 10.1118/1.4747268.

PMID:
22957628
14.

Phase and absorption retrieval using incoherent X-ray sources.

Munro PR, Ignatyev K, Speller RD, Olivo A.

Proc Natl Acad Sci U S A. 2012 Aug 28;109(35):13922-7. doi: 10.1073/pnas.1205396109. Epub 2012 Aug 13.

15.

Pixellated Cd(Zn)Te high-energy X-ray instrument.

Seller P, Bell S, Cernik RJ, Christodoulou C, Egan CK, Gaskin JA, Jacques S, Pani S, Ramsey BD, Reid C, Sellin PJ, Scuffham JW, Speller RD, Wilson MD, Veale MC.

J Instrum. 2011 Dec;6(12). pii: C12009.

16.
17.
18.

A New Generation of X-ray Baggage Scanners Based on a Different Physical Principle.

Ignatyev K, Munro PRT, Chana D, Speller RD, Olivo A.

Materials (Basel). 2011 Oct 17;4(10):1846-1860. doi: 10.3390/ma4101846.

19.

Effects of signal diffusion on x-ray phase contrast images.

Ignatyev K, Munro PR, Speller RD, Olivo A.

Rev Sci Instrum. 2011 Jul;82(7):073702. doi: 10.1063/1.3606442.

PMID:
21806184
20.

Performance evaluation of a pixellated Ge Compton camera.

Alnaaimi MA, Royle GJ, Ghoggali W, Banoqitah E, Cullum I, Speller RD.

Phys Med Biol. 2011 Jun 21;56(12):3473-86. doi: 10.1088/0031-9155/56/12/002. Epub 2011 May 23.

PMID:
21606554
21.

Noninterferometric phase-contrast images obtained with incoherent x-ray sources.

Olivo A, Ignatyev K, Munro PR, Speller RD.

Appl Opt. 2011 Apr 20;50(12):1765-9. doi: 10.1364/AO.50.001765.

PMID:
21509069
22.

Source size and temporal coherence requirements of coded aperture type x-ray phase contrast imaging systems.

Munro PR, Ignatyev K, Speller RD, Olivo A.

Opt Express. 2010 Sep 13;18(19):19681-92. doi: 10.1364/OE.18.019681.

23.

Limitations imposed by specimen phase gradients on the design of grating based x-ray phase contrast imaging systems.

Munro PR, Ignatyev K, Speller RD, Olivo A.

Appl Opt. 2010 Jul 10;49(20):3860-3. doi: 10.1364/AO.49.003860.

24.

Design of a novel phase contrast x-ray imaging system for mammography.

Munro PR, Ignatyev K, Speller RD, Olivo A.

Phys Med Biol. 2010 Jul 21;55(14):4169-85. doi: 10.1088/0031-9155/55/14/014. Epub 2010 Jul 5.

25.

Characterization of breast tissue using energy-dispersive X-ray diffraction computed tomography.

Pani S, Cook EJ, Horrocks JA, Jones JL, Speller RD.

Appl Radiat Isot. 2010 Oct;68(10):1980-7. doi: 10.1016/j.apradiso.2010.04.027. Epub 2010 May 5.

PMID:
20472453
26.

Evaluation of digital breast tomosynthesis reconstruction algorithms using synchrotron radiation in standard geometry.

Bliznakova K, Kolitsi Z, Speller RD, Horrocks JA, Tromba G, Pallikarakis N.

Med Phys. 2010 Apr;37(4):1893-903.

PMID:
20443511
27.

The relationship between wave and geometrical optics models of coded aperture type x-ray phase contrast imaging systems.

Munro PR, Ignatyev K, Speller RD, Olivo A.

Opt Express. 2010 Mar 1;18(5):4103-17. doi: 10.1364/OE.18.004103.

28.

Deconvolution of x-ray phase contrast images as a way to retrieve phase information lost due to insufficient resolution.

Olivo A, Speller RD.

Phys Med Biol. 2009 Aug 7;54(15):N347-54. doi: 10.1088/0031-9155/54/15/N02. Epub 2009 Jul 10.

PMID:
19590117
29.

An active pixel sensor x-ray diffraction (APXRD) system for breast cancer diagnosis.

Bohndiek SE, Royle GJ, Speller RD.

Phys Med Biol. 2009 Jun 7;54(11):3513-27. doi: 10.1088/0031-9155/54/11/016. Epub 2009 May 15.

PMID:
19443951
30.

Phase contrast imaging of breast tumours with synchrotron radiation.

Olivo A, Rigon L, Vinnicombe SJ, Cheung KC, Ibison M, Speller RD.

Appl Radiat Isot. 2009 Jun;67(6):1033-41. doi: 10.1016/j.apradiso.2009.01.075. Epub 2009 Feb 26.

PMID:
19249215
31.

Signal and noise transfer properties of CMOS based active pixel flat panel imager coupled to structured CsI:Tl.

Arvanitis CD, Bohndiek SE, Blakesley J, Olivo A, Speller RD.

Med Phys. 2009 Jan;36(1):116-26.

PMID:
19235380
32.

Assessing the validity of modulation transfer function evaluation techniques with application to small area and scanned digital detectors.

Price BD, Esbrand CJ, Olivo A, Gibson AP, Hebden JC, Speller RD, Royle GJ.

Rev Sci Instrum. 2008 Nov;79(11):113103. doi: 10.1063/1.3020696.

PMID:
19045885
33.

Preliminary images from an adaptive imaging system.

Griffiths JA, Metaxas MG, Pani S, Schulerud H, Esbrand C, Royle GJ, Price B, Rokvic T, Longo R, Asimidis A, Bletsas E, Cavouras D, Fant A, Gasiorek P, Georgiou H, Hall G, Jones J, Leaver J, Li G, Machin D, Manthos N, Matheson J, Noy M, Ostby JM, Psomadellis F, van der Stelt PF, Theodoridis S, Triantis F, Turchetta R, Venanzi C, Speller RD.

Phys Med. 2008 Jun;24(2):117-21. doi: 10.1016/j.ejmp.2008.01.003. Epub 2008 Mar 4.

PMID:
18291697
34.

A CMOS active pixel sensor system for laboratory- based x-ray diffraction studies of biological tissue.

Bohndiek SE, Cook EJ, Arvanitis CD, Olivo A, Royle GJ, Clark AT, Prydderch ML, Turchetta R, Speller RD.

Phys Med Biol. 2008 Feb 7;53(3):655-72. doi: 10.1088/0031-9155/53/3/010. Epub 2008 Jan 10.

PMID:
18199908
35.

Correlation of energy dispersive diffraction signatures and microCT of small breast tissue samples with pathological analysis.

Griffiths JA, Royle GJ, Hanby AM, Horrocks JA, Bohndiek SE, Speller RD.

Phys Med Biol. 2007 Oct 21;52(20):6151-64. Epub 2007 Oct 1.

PMID:
17921577
36.

A novel method for producing x-ray test objects and phantoms.

Theodorakou C, Horrocks JA, Marshall NW, Speller RD.

Phys Med Biol. 2004 Apr 21;49(8):1423-38.

PMID:
15152683
37.

X-ray scatter signatures for normal and neoplastic breast tissues.

Kidane G, Speller RD, Royle GJ, Hanby AM.

Phys Med Biol. 1999 Jul;44(7):1791-802.

PMID:
10442713
38.

Multivariate calibration for quantitative analysis of EDXRD spectra from a bone phantom.

Farquharson MJ, Luggar RD, Speller RD.

Appl Radiat Isot. 1997 Aug;48(8):1075-82.

PMID:
9394438
39.

Monitoring and correction of multiple scatter during clinical Compton scatter densitometry measurements.

Mooney MJ, Naga SS, Speller RD, Koligliatis T.

Phys Med Biol. 1996 Nov;41(11):2399-410.

PMID:
8938034
40.

Low-angle X-ray scattering signatures of urinary calculi.

Dawson C, Horrocks JA, Kwong R, Speller RD, Whitfield HN.

World J Urol. 1996;14 Suppl 1:S43-7.

PMID:
8738410
41.

The effect of scattered radiation in dual-energy analysis.

Baba-Hamed T, Speller RD.

Phys Med Biol. 1995 Oct;40(10):1619-32.

PMID:
8532744
42.
43.

A CCD based focal spot camera.

Speller RD, Martínez-Dávalos A, Farquharson M.

Phys Med Biol. 1995 Feb;40(2):315-21.

PMID:
7708858
44.

Short communication: helical computed tomography: where is the cut?

Horrocks JA, Speller RD.

Br J Radiol. 1994 Jan;67(793):107-11.

PMID:
8298865
45.

A real time dual-energy probe for tissue characterization during fluoroscopy.

Speller RD, Baba-Hamed T.

Phys Med Biol. 1993 Mar;38(3):379-87.

PMID:
8451281
46.

Phantoms for evaluating the performance characteristics of bone densitometers.

Royle GJ, Speller RD.

Br J Radiol. 1992 Nov;65(779):1030-4. No abstract available.

PMID:
1450818
47.

Photon absorption measurements of bone density in the presence of scattered radiation.

Mooney MJ, Speller RD.

Phys Med Biol. 1992 Oct;37(10):1873-82.

PMID:
1438553
48.

Tissue characterization using low angle x-ray scattering.

Speller RD, Royle GJ.

J Xray Sci Technol. 1992 Jan 1;3(2):77-84. doi: 10.3233/XST-1992-3201.

PMID:
21307438
49.

Low angle x-ray scattering for bone analysis.

Royle GJ, Speller RD.

Phys Med Biol. 1991 Mar;36(3):383-9. No abstract available.

PMID:
2038608
50.

Photon scattering--a 'new' source of information in medicine and biology?

Speller RD, Horrocks JA.

Phys Med Biol. 1991 Jan;36(1):1-6. Review. No abstract available.

PMID:
2006210

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