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Staff Profile

Professor Anthony Unsworth, BSc MSc PhD DEng FREng CEng FIMechE

Emeritus Professor in the Department of Engineering
Telephone: +44 (0) 191 33 42521
Room number: Room number: E498 (Christopherson Building)

(email at tony.unsworth@durham.ac.uk)

Biography

Professor of Engineering (since 1989), Director of Research for the Faculty of Science (2006-2010). President of the Engineering Professors' Council (2005-2007). Head of School of Engineering and Applied Science (April 1990-August 1994), Deputy Dean of Science(1994-1997), Dean of Science (1997-2000, Head of School of Engineering (2000-2006)
Vice-President Institution of Mechanical Engineers (2008-2011),Chair of the Royal Academy of Engineering's UK Focus for Biomedical Engineering (2007-2010).

Visiting Professor, University of Northumbria

Research mainly in Bio-tribology studying the functioning of natural and artificial joints as well as designing new generations of joints to give a longer functional life in the body.

Editor in Chief, Proceedings of the Institution of Mechanical Engineers Part H - Journal of Engineering in Medicine.

Served on the RAE2001 Mechanical, Aeronautical and Manufacturing Engineering Panel and on the RAE2008 Panel. Also a member of the EPSRC biomedical engineering College.

Awarded the Tribology Silver Medal(1972), a Tribology Group- Donald Julian Groen Prize (1991) and the James Clayton Prize (1999), all from the Institution of Mechanical Engineers and the James Alfred Ewing Medal(2005) from the Institution of Civil Engineers.

Appointed the Brunel Lecturer (1975), British Association for the Advancement of Science, Woolmer Lecturer (2002)Institute of Physics and Engineering in Medicine and the Smith and Nephew Lecturer for the Institution of Mechanical Engineers (2004).

Published over 300 research papers and presented about 100 papers at international venues to Learned Societies.
Former Director of ACTION medical research charity (1992-95), Non-Executive Director of South Durham Health Authority (1993-1996)Chair of South Durham NHS Research Ethics Committee (1993-1996)

Research Interests

  • Biomedical engineering
  • Tribology

Selected Publications

Chapter in book

  • Scholes S C & Unsworth A (2010). Tribological testing of pre-assembled alumina matrix composite hip prostheses. In Modern Trends in THA bearings; materials and clinical performance. Justin Cobb 139-143.
  • Scholes, S. C., Smith, S. L., Ash, H. & Unsworth, A. (2002). The lubrication and friction of conventional UHMWPE novel compliant layer and hard bearing surfaces for use in total hip prostheses. In Friction, lubrication and wear of artificial joints. Hutchings, I. Professional Engineering Publishing. 59-74.
  • BLAMEY, JM, MULLIN, PJ, SEATON, J, UNSWORTH, A & PARRY, TV (1993). BONDING OF SOFT LAYERS TO RIGID BACKINGS. In Thin Films in Tribology. 25: 693-703.

Journal Article

  • Dowson, D. & Unsworth, A. (2016). Physical joint simulators, Editorial for Special Issue. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 230(5): 345-346.
  • Unsworth, A. (2016). Some aspects of friction measurements in hip joint simulators. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 230(5): 359-365.
  • Naylor, Andrew, Bone, Martin C., Unsworth, Anthony, Talwalkar, Sumedh C., Trail, Ian A. & Joyce, Thomas J. (2015). In vitro wear testing of the PyroCarbon proximal interphalangeal joint replacement: Five million cycles of flexion and extension. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 229(5): 362-368.
  • Alshryda, S., Mason, J.M., Sarda, P., Lou, T., Stanley, M., Wu, J.J. & Unsworth, A. (2015). The effect of tranexamic acid on artificial joint materials a biomechanical study (the bioTRANX study). Journal of orthopaedics and traumatology 16(1): 27-34.
  • East, Rebecca H., Briscoe, Adam & Unsworth, Anthony (2015). Wear of PEEK-OPTIMA and PEEK-OPTIMA-Wear Performance articulating against highly cross-linked polyethylene. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 229(3): 187-193.
  • Korim, Muhammed, Scholes, Susan, Unsworth, Anthony & Power, Richard (2014). Retrieval analysis of alumina ceramic-on-ceramic bearing couples. Acta Orthopaedica 85(2): 133-140.
  • Evans, Andrew, Horton, Henrietta, Unsworth, Anthony & Briscoe, Adam (2014). The influence of nominal stress on wear factors of carbon-fibre reinforced polyetheretherketone (PEEK-OPTIMA Wear Performance) against zirconia toughened alumina (Biolox delta ceramic). Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 228(6): 587-592.
  • Curran, Sarah, Hoskin, Tom, Williams, Sarah, Scholes, Susan C, Kinbrum, Amy & Unsworth Anthony (2013). Does surface wettability influence the friction and wear of large-diameter CoCrMo alloy hip resurfacings? Proceedings of the Institution of Mechanical Engineers - Part H: Journal of Engineering in Medicine 227(8): 847-858.
  • Wang, Q., Wu, J.J., Unsworth, A., Briscoe, A., Jarman-Smith, M., Lowry, C., Simpson, D. & Collins, S. (2012). Biotribological study of large diameter ceramic-on-CFR-PEEK hip joint including fluid uptake, wear and frictional heating. Journal of Materials Science: Materials in Medicine 23(6): 1533-1542.
  • Williams, S. R., Wu, J. J., Unsworth, A. & Khan, I. (2011). Wear and surface analysis of 38 mm ceramic-on-metal total hip replacements under standard and severe wear testing conditions. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 225(8): 783-796.
  • Scholes S C & Unsworth A (2010). The wear performance of PEEK OPTIMA based self-mating couples. Wear 268(3-4): 380-387.
  • Jones E, Scholes SC, Burgess IC, Ash HE & Unsworth A (2009). Compliant layer bearings in artificial joints. Part 2: simulator and fatigue testing to assess the durability of the interface between an elastomeric layer and a rigid substrate. Proceedings of the Institution of Mechanical Engineers, Part H Journal of Engineering in Medicine 223(1): 1-13.
  • Scholes SC & Unsworth A (2009). Pitch-based carbon-fibre-reinforced poly (ether-ether-ketone) OPTIMA assessed as a bearing material in a mobile bearing uniconylar knee joint. Proceedings of the Institution of Mechanical Engineers, Part H Journal of Engineering in Medicine 223(1): 13-25.
  • Williams S R, Wu J J, Unsworth A & Khan I (2009). Tribological and surface analysis of 38mm alumina-as-cast Co-Cr-Mo total hip Arthroplasties. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 223(8): 941-954.
  • Burgess I C Jones E, Scholes S C & Unsworth A (2008). Compliant layer bearings in artificial joints Part 1: the effects of different manufacturing techniques on the interface strength between an elastomeric layer and a rigid substrate. Proceedings of the Institution of Mechanical Engineers, Part H Journal of Engineering in Medicine 222(6): 853-864.
  • Jones E, Scholes S C, Unsworth A & Burgess I C (2008). Compliant-layer tibial bearing inserts: friction testing of different materials and designs for a new generation of prostheses that mimic the natural joint. Proceedings of the Institution of Mechanical Engineers, Part H Journal of Engineering in Medicine 222(H8): 1197-1209.
  • Kinbrum A & Unsworth A (2008). The wear of high-carbon metal-on-metal bearings after different heat treatments. Proceedings of the Institution of Mechanical Engineers, Part H Journal of Engineering in Medicine 222(6): 887-895.
  • Scholes S C , Inman I A , Unsworth A & Jones E. (2008). Tribological assessment of a flexible carbon-fibre-reinforced poly (ether-ether-ketone) acetabular cup articulating against an alumina femoral head. Proceedings of the Institution of Mechanical Engineers, Part H Journal of Engineering in Medicine 222(3): 273-283.
  • Lee,S.M., Short, T.D. & Unsworth A. (2007). Design and Development of a novel automatic valve system for long term catheterised urinary incontenence patients. Proceedings of the Institution of Mechanical Engineers, Part H Journal of Engineering in Medicine H221(H6): 665-676.
  • Vassiliou K, Scholes S C & Unsworth A (2007). Laboratory studies on the tribology of hard bearing hip prostheses: ceramic on ceramic and metal on metal. Proc Instn Mech Engrs Part H 124(1): 11-20.
  • Scholes S C, Unsworth A & Jones E (2007). Polyurethane unicondylar knee prostheses: simulator wear tests and lubrication studies. Physics in Medicine and Biology 52(1): 197-212.
  • Scholes S C & Unsworth A (2007). The wear properties of CFR-PEEK articulating against ceramic assessed on a multi-directional pin-on-plate machine. Proceedings of the Institution of Mechanical Engineers, Part H Journal of Engineering in Medicine 221(H3): 281-289.
  • Joyce, TJ, Rieker, C & Unsworth, A (2006). Comparative in vitro wear testing of PEEK and UHMWPE capped metacarpophalangeal prostheses. Bio-medical Materials And Engineering 16(1): 1-10.
  • Scholes S C, Burgess I C Marsden H R, Unsworth A , Jones E & Smith N (2006). Compliant layer acetabular cups: friction testing of a range of materials and designs for a new generation of prosthesis which mimics the natural joint. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 220(5): 583-596.
  • Vassilou K., Elfick A. P. D., Scholes S. C. & Unsworth A. (2006). The effect of 'running-in' on the tribology and surface morphology of metal-on-metal Birmingham hip resurfacing device in simulator studies. Proceedings of the I MECH E part H journal of engineering in medicine 220(2): 269-277.
  • Scholes SC & Unsworth A (2006). The effects of proteins on the friction and lubrication of artificial joints. Proc Instn Mech Engrs Part H 220(H6): 687-693.
  • Scholes S C & Unsworth A (2006). Tribology of metal-on-metal total hip replacements. Proc Instn Mech Engrs Part H H220(H2): 183-194.
  • Scholes, S. C., Unsworth, A., Blamey, J. M., Burgess, I. C., Jones, E. & Smith, N. (2005). Design aspects of compliant, soft layer bearings for an experimental hip prosthesis. Proceedings of the I MECH E part H journal of engineering in medicine, 219(2): 79-87.
  • Joyce, TJ & Unsworth, A (2005). NeuFlex metacarpophalangeal prostheses tested in vitro. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 219(H2): 105-110.
  • Vassiliou, K. & Unsworth, A. (2004). Is the wear factor in total joint replacements dependent on the nominal contact stress in ultra-high molecular weight polyethylene contacts? Proceedings of the I MECH E part H journal of engineering in medicine 218(2): 101-107.
  • Elfick, APD, Zhao, JM, Unsworth, A, Healy, KE & Pruitt, LA (2004). Lateral force microscopy study of physisorbed protein. Abstracts Of Papers Of The American Chemical Society 227: U820-U820.
  • Ash, HE, Scholes, SC, Unsworth, A & Jones, E (2004). The effect of bone cement particles on the friction of polyethylene andpolyurethane knee bearings. Physics In Medicine And Biology 49(15): 3413-3425.
  • Joyce TJ & Unsworth A (2004). The influence of bovine serum lubricant on the wear of cross-linked polyethylene finger prostheses. Journal of Applied Biomaterials and Biomechanics 2: 136-142.
  • Joyce, TJ, Milner, RH & Unsworth, A (2003). A comparison of ex vivo and in vitro sutter metacarpophalangealprostheses. Journal of Hand Surgery (European Volume) 28B(1): 86-91.
  • Ash, HE, Scholes, SC, Parkin, R & Unsworth, A (2003). Relative movements between Kinemax Plus tibial inserts and the tibialbase-plates. Proceedings Of The Institution Of Mechanical Engineers Part H-journal 217(H2): 99-104.
  • Elfick, A. P. D., Green, S. M., Krikler, S. & Unsworth, A. (2003). The nature and dissemination of UHMWPE wear debris retrieved from periprosthetic tissue of THR. Journal of Biomedical Materials Research Part A 65A(1): 95-108.
  • Joyce, TJ, Thompson, P & Unsworth, A (2003). The wear of PTFE against stainless steel in a multi-directionalpin-on-plate wear device. Wear 255: 1030-1033.
  • Rieker, CB, Joyce, T, Unsworth, A, Hagena, FW & Meuli, C (2003). Tribologic investigation of a metacarpophalangeal prosthesis. Orthopade 32(9): 784-+.
  • Joyce, TJ, Unsworth, A & Milner, RH (2003). Untitled. Journal of Hand Surgery (European Volume) 28B(5): 505-506.
  • Elfick, A.P.D., Smith, S.L., Green, S.M. & Unsworth, A. (2002). A re-appraisal of wear features of acetabular sockets using atomic force microscopy. Wear 253(7-8): 839-847.
  • Joyce, TJ & Unsworth, A (2002). A test procedure for artificial finger joints. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 216(H2): 105-110.
  • Elfick, AP, Bedi, G, Port, A & Unsworth, A (2002). Design and validation of a surrogate humerus for blomechanical testing. Journal Of Biomechanics 35(4): 533-536.
  • Joyce, T, Unsworth, A & Milner, R (2002). The sequence of reflex sympathetic dystrophy. Journal Of Hand Surgery-british And European Volume 27B(1): 108-109.
  • Joyce, TJ & Unsworth, A (2002). Untitled. Journal Of Arthroplasty 17(8): 1078-1078.
  • Joyce, T.J., Vandelli, C., Cartwright, T. & Unsworth, A. (2001). A comparison of the wear of cross-linked polyethylene against itself under reciprocating and multi-directional motion with different lubricants. Wear 250(1-12): 206-211.
  • Smith, SL & Unsworth, A (2001). A five-station hip joint simulator. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 215(H1): 61-64.
  • Smith, SL & Unsworth, A (2001). An in vitro wear study of alumina-alumina total hip prostheses. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 215(H5): 443-446.
  • Rome, K, Webb, P, Unsworth, A & Haslock, I (2001). Heel pad stiffness in runners with plantar heel pain. Clinical Biomechanics 16(10): 901-905.
  • Scholes, S.C. & Unsworth, A. (2001). Pin-on-plate studies on the effect of rotation on the wear of metal-on-metal samples. Journal of Materials Science: Materials In Medicine 12(4): 299-303.
  • Elfick, APD, Hall, RM, Pinder, IM & Unsworth, A (2001). The effect of socket design, materials and liner thickness on the wearof the porous coated anatomic total hip replacement. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 215(H5): 447-457.
  • Elfick, APD, Smith, SL, Green, SM & Unsworth, A (2001). The quantitative assessment of UHMWPE wear debris produced in hipsimulator testing: the influence of head material and roughness, motionand loading. Wear 249(5-6): 517-527.
  • Joyce, TJ & Unsworth, A (2001). The wear of artificial finger joints using different lubricants in anew finger wear simulator. Wear 250: 199-205.
  • Scholes, SC, Green, SM & Unsworth, A (2001). The wear of metal-on-metal total hip prostheses measured in a hipsimulator. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 215(H6): 523-530.
  • Scholes, SC, Unsworth, A & Goldsmith, AAJ (2000). A frictional study of total hip joint replacements. Physics In Medicine And Biology 45(12): 3721-3735.
  • Joyce, TJ, Monk, D, Scholes, SC & Unsworth, A (2000). A multi-directional wear screening device and preliminary results ofUHMWPE articulating against stainless steel. Bio-medical Materials And Engineering 10(3-4): 241-249.
  • Elfick, A.P., Green, S.M., Pinder, I.M. & Unsworth, A. (2000). A novel technique for the detailed size characterization of wear debris. Journal of Materials Science: Materials in Medicine 11(5): 267-271.
  • Smith, SL, Ash, HE & Unsworth, A (2000). A tribological study of UHMWPE acetabular cups and polyurethanecompliant layer acetabular cups. Journal Of Biomedical Materials Research 53(6): 710-716.
  • Scholes, SC & Unsworth, A (2000). Comparison of friction and lubrication of different hip prostheses. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 214(H1): 49-57.
  • Ash, HE & Unsworth, A (2000). Design of a surface replacement prosthesis for the proximalinterphalangeal joint. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 214(H2): 151-163.
  • Ash, HE, Burgess, IC & Unsworth, A (2000). Long-term results for Kinemax and Kinematic knee bearings on asix-station knee wear simulator. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 214(H5): 437-447.
  • Smith, SL & Unsworth, A (2000). Simplified motion and loading compared to physiological motion andloading in a hip joint simulator. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 214(H3): 233-238.
  • Joyce, TJ & Unsworth, A (2000). The design of a finger wear simulator and preliminary results. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 214(H5): 519-526.
  • Scholes, SC, Unsworth, A, Hall, RM & Scott, R (2000). The effects of material combination and lubricant on the friction oftotal hip prostheses. Wear 241(2): 209-213.
  • Elfick, APD, Smith, SL & Unsworth, A (2000). Variation in the wear rate during the life of a total hip arthroplasty- A simulator and retrieval study. Journal Of Arthroplasty 15(7): 901-908.
  • Smith, SL & Unsworth, A (1999). A comparison between gravimetric and volumetric techniques of wearmeasurement of UHMWPE acetabular cups against zirconia andcobalt-chromium-molybdenum femoral heads in a hip simulator. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 213(H6): 475-483.
  • Smith, S.L., Elfick, A.P.D. & Unsworth, A. (1999). An evaluation of the tribological performance of zirconia and CoCrMo femoral heads. Journal of Materials Science 34(21): 5159-5162.
  • Smith, SL, Burgess, IC & Unsworth, A (1999). Evaluation of a hip joint simulator. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 213(H6): 469-473.
  • Elfick, APD, Hall, RM, Pinder, IM & Unsworth, A (1999). The influence of femoral head surface roughness on the wear ofultrahigh molecular weight polyethylene sockets in cementless total hipreplacement. Journal Of Biomedical Materials Research 48(5): 712-718.
  • Hall, RM, Craig, PS, Siney, P, Unsworth, A & Wroblewski, BM (1998). Differences in the rates of penetration determined from radiographicand shadowgraphic measurements of acetabular sockets. Journal Of Arthroplasty 13(5): 570-575.
  • Hall, RM, Siney, P, Craig, PS, Unsworth, A & Wroblewski, BM (1998). Discrepancy between penetration depths derived from radiographic anddirect measurement of acetabular components. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 212(H1): 57-64.
  • Hall, RM, Siney, P, Wroblewski, BM & Unsworth, A (1998). Observations on the direction of wear in Charnley sockets retrieved atrevision. Journal Of Bone And Joint Surgery-british Volume 80B(6): 1067-1072.
  • Elfick, A.P., Hall, R.M., Unsworth, A. & Pinder, I.M. (1998). Surface topography of retrieved PCA acetabular liners: proposal of anovel wear mechanism. Journal of Materials Science Letters 17(13): 1085-1088.
  • Hall, RM, Siney, P, Unsworth, A & Wroblewski, BM (1998). The association between rates of wear in retrieved acetabularcomponents and the radius of the femoral head. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 212(H5): 321-326.
  • Elfick, AP, Hall, RM, Pinder, IM & Unsworth, A (1998). The frictional behaviour of explanted PCA hip prostheses. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 212(H5): 395-397.
  • Elfick, APD, Hall, RM, Pinder, IM & Unsworth, A (1998). Wear in retrieved acetabular components - Effect of femoral head radiusand patient parameters. Journal Of Arthroplasty 13(3): 291-295.
  • Burgess, IC, Kolar, M, Cunningham, JL & Unsworth, A (1997). Development of a six station knee wear simulator and preliminary wearresults. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 211(1): 37-47.
  • Hall, RM & Unsworth, A (1997). Friction in hip prostheses. Biomaterials 18(15): 1017-1026.
  • Ash, HE & Unsworth, A (1997). Further studies into proximal interphalangeal joint dimensions for thedesign of a surface replacement prosthesis: medullary cavities andtransverse plane shapes. Proceedings Of The Institution Of Mechanical Engineers Part H-journal Of Engineering In Medicine 211(5): 377-390.
  • Hall, RM, Siney, P, Unsworth, A & Wroblewski, BM (1997). The effect of surface topograph of retrieved femoral heads on the wearof UHMWPE sockets. Medical Engineering & Physics 19(8): 711-719.
  • Hall, RM, Unsworth, A, Wroblewski, BM, Siney, P & Powell, NJ (1997). The friction of explanted hip prostheses. British Journal Of Rheumatology 36(1): 20-26.
  • Hall, RM, Unsworth, A, Siney, P & Wroblewski, BM (1996). The surface topography of retrieved femoral heads. Journal Of Materials Science-materials In Medicine 7(12): 739-744.
  • Unsworth, A, Hall, RM, Burgess, IC, Wroblewski, BM, Streicher, RM & Semlitsch, M (1995). Frictional resistance of new and explanted artificial hip joints. Wear 190(2): 226-231.
  • Unsworth, A (1995). Recent developments in the tribology of artificial joints. Tribology International 28(7): 485-495.
  • HILLS, RJ, UNSWORTH, A & IVE, FA (1994). A COMPARATIVE-STUDY OF THE FRICTIONAL-PROPERTIES OF EMOLLIENT BATHADDITIVES USING PORCINE SKIN. British Journal Of Dermatology 130(1): 37-41.
  • BROMLEY, J, UNSWORTH, A & HASLOCK, I (1994). CHANGES IN STIFFNESS FOLLOWING SHORT-TERM AND LONG-TERM APPLICATION OFSTANDARD PHYSIOTHERAPEUTIC TECHNIQUES. British Journal Of Rheumatology 33(6): 555-561.
  • HALL, RM, UNSWORTH, A, WROBLEWSKI, BM & BURGESS, IC (1994). FRICTIONAL CHARACTERIZATION OF EXPLANTED CHARNLEY HIP PROSTHESES. Wear 175(1-2): 159-166.
  • RUSSELL, P, PEARCY, MJ & UNSWORTH, A (1993). MEASUREMENT OF THE RANGE AND COUPLED MOVEMENTS OBSERVED IN THE LUMBARSPINE. British Journal Of Rheumatology 32(6): 490-497.
  • RUSSELL, P, UNSWORTH, A & HASLOCK, I (1993). THE EFFECT OF EXERCISE ON ANKYLOSING-SPONDYLITIS - A PRELIMINARY-STUDY. British Journal Of Rheumatology 32(6): 498-506.
  • RUSSELL, P, WELD, A, PEARCY, MJ, HOGG, R & UNSWORTH, A (1992). VARIATION IN LUMBAR SPINE MOBILITY MEASURED OVER A 24-HOUR PERIOD. British Journal Of Rheumatology 31(5): 329-332.
  • BLAMEY, J, RAJAN, S, UNSWORTH, A & DAWBER, R (1991). SOFT LAYERED PROSTHESES FOR ARTHRITIC HIP JOINTS - A STUDY OF MATERIALSDEGRADATION. Journal Of Biomedical Engineering 13(3): 180-184.
  • SIBLY, TF & UNSWORTH, A (1991). WEAR OF CROSS-LINKED POLYETHYLENE AGAINST ITSELF - A MATERIAL SUITABLEFOR SURFACE REPLACEMENT OF THE FINGER JOINT. Journal Of Biomedical Engineering 13(3): 217-220.
  • UNSWORTH, A, HASLOCK, I, VASANDAKUMAR, V & STAMP, J (1990). A LABORATORY AND CLINICAL-STUDY OF PNEUMATIC GRIP STRENGTH DEVICES. British Journal Of Rheumatology 29(6): 440-444.
  • UNSWORTH, A (1989). BIOMECHANICS OF ARTICULATIONS. British Journal Of Rheumatology 28(5): 446-450.
  • RHIND, VM, UNSWORTH, A & HASLOCK, I (1987). ASSESSMENT OF STIFFNESS IN RHEUMATOLOGY - THE USE OF RATING-SCALES. British Journal Of Rheumatology 26(2): 126-130.
  • UNSWORTH, A (1987). HAND ASSESSMENT. International Journal Of Rehabilitation Research 10(3): 354-355.
  • YUNG, P, UNSWORTH, A & HASLOCK, I (1986). MEASUREMENT OF STIFFNESS IN THE METACARPOPHALANGEAL JOINT - THE EFFECTSOF PHYSIOTHERAPY. Clinical Physics And Physiological Measurement 7(2): 147-156.
  • YUNG, P, UNSWORTH, A & HASLOCK, I (1984). MEASUREMENT OF STIFFNESS IN THE METACARPOPHALANGEAL JOINT - CIRCADIANVARIATION. Clinical Physics And Physiological Measurement 5(2): 57-65.
  • UNSWORTH, A (1984). SOME BIOMECHANICAL FACTORS IN OSTEOARTHROSIS. British Journal Of Rheumatology 23(3): 173-176.
  • UNSWORTH, A, ROBERTS, BJ & MIAN, N (1983). LUBRICATION IN HIP JOINTS - REPLY. Annals Of The Rheumatic Diseases 42(2): 238-238.
  • ROBERTS, BJ, UNSWORTH, A & MIAN, N (1982). MODES OF LUBRICATION IN HUMAN HIP JOINTS. Annals Of The Rheumatic Diseases 41(3): 217-224.
  • SAYLES, RS, THOMAS, TR, ANDERSON, J, HASLOCK, I & UNSWORTH, A (1979). MEASUREMENT OF THE SURFACE MICROGEOMETRY OF ARTICULAR-CARTILAGE. Journal Of Biomechanics 12(4): 257-267.
  • UNSWORTH, A (1978). EFFECTS OF LUBRICATION IN HIP-JOINT PROSTHESES. Physics In Medicine And Biology 23(2): 253-268.

Conference Paper

  • Unsworth A (2011), In pursuit of fluid-film lubrication, ISTA 24th Annual Congress. Bruges, Belgium, ISTA, Bruges.
  • Giddings D, Wu J J, Khan I & Unsworth A (2009), Biotribological and structural characteristics of 28 mm diameter ZTA-ZTA hip joints under standard and aggressive wear conditions using a ProSim hip simulator, Abstracts of the 22nd Annual Congress of ISTA Annual Congress ISTA. Hawaii, Hawaii HI.
  • Williams S R, Wu J J, Unsworth A & Khan I (2009), Biotribological and structural characteristics of 38 mm ZTA ceramic versus as-cast CoCrMo hip bearings, Abstracts of the 22nd Annual Congress of ISTA Hawaii, Hawaii HI.
  • Weisenburger J N, Naylor M G Schroeder D W, White BF, Unsworth A, Garvin K L & Haider H (2009), Correlation of friction measurements with wear characteristics during multi-station hip simulator wear tests, Abstracts of the 22nd Annual Congress ISTA 22nd Annual Congress of ISTA. Hawaii, Hawaii HI.
  • Kinbrum A & Unsworth A (2009), Particle debris analysis and biological response of Motis acetabular cup wear debris over a 25 million cycle simulator test, Abstracts of the 22nd Annual Congress of ISTA 22nd Annual Congress of ISTA. Hawaii, Hawaii HI.
  • Williams S R, Wu J J , Khan I & Unsworth A (2009), The effect of third body alumina particles on the wear and surface topography of 38 mm ceramic on as-cast CoCrMo total hip replacements, ABSTRACTS of the International Society of Technology in Arthroplasty 22 nd Annual Meeting: 22nd Annual Congress of ISTA. Hawaii, Hawaii HI.

Conference Proceeding

  • Lee SM , Short TD & Unsworth A (2005). Automatic catheter valve system for long term catheterisation patients to inprove quality of life. Urology, London, Institution of Mechanical Engineers.
  • Joyce TJ, Riddell D & Unsworth A (2005). Biomaterial wear screening tests for an all polymer knee. 30th Annual Conference oof the Society for Biomaterials, Memphis USA, Society of Biomaterials.
  • Scholes S C, Unsworth A & Jones E (2005). Long term wear behaviour of a flexible, anatomically loaded hip cup design. International Conference on Bio Medical Engineering, Singapore.

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Media Contacts

Available for media contact about:

  • Medical and health research topics: development of artificial human joints (hips, knees, fingers)
  • Medical and health research topics: lubrication, wear of joints
  • Engineering: Other contexts: bio-engineering
  • Engineering: Other contexts: artificial human joints