Publications

 

Submitted

J. M. Rosas, J. Campanale, J. Harwood, R. Bae, S. Cheng, J. Tsou, K. Kaiser, D. Engle, D. Montell, and A. A. Pitenis. Pancreatic Ductal Adenocarcinoma Organoids Exhibit Pulse-Driven Collective Force Generation in Confinement.

A. Al Kindi, N. Courelli, K. K. Ogbonna, A. L. Chau, J. M. Urueña, and A. A. Pitenis. Bioinspired Lubricity from Surface Gel Layers.

C. W. Barney, S. Berezvai, A. L. Chau, A. A. Pitenis, R. M. McMeeking, M. T. Valentine, and M. E. Helgeson. Characterization of Near-Wall Effects During the Puncture of Soft Solids.

 

2024

50. D. J. Atkins, J. M. Rosas, L. K. Månsson, N. Shahverdi, S. S. Dey, and A. A. Pitenis. Survival-Associated Cellular Response Maintained in Pancreatic Ductal Adenocarcinoma (PDAC) Switched Between Soft and Stiff 3D Microgel Culture. ACS Biomater. Sci. Eng. (2024) DOI: 10.1021/acsbiomaterials.3c01079, accepted.

2023

49. Y. Kwon, D. Rodriguez, S. Singh, D. Rodriguez, A. L. Chau, A. A. Pitenis, A. W. De Tomaso, and M. T. Valentine. Mechanical Resilience of the Sessile Tunicate Botryllus schlosseri. J. Exp. Biol. (2023) 226, 24, jeb245124, DOI: 10.1242/jeb.245124

48. A. L. Chau, C. D. Pugsley, M. E. Miyamoto, Y. Tang, C. D. Eisenbach, T. E. Mates, C. J. Hawker, M. T. Valentine, and A. A. Pitenis. pH-Dependent Friction of Polyacrylamide Hydrogels. Tribol. Lett. (2023) 71, 4, p. 108, DOI: 10.1007/s11249-023-01779-4

47. A. L. Chau, C. E. R. Edwards, M. E. Helgeson, and A. A. Pitenis. Designing Superlubricious Hydrogels from Spontaneous Peroxidation Gradients. ACS Appl. Mater. Interfaces (2023) 15, 36, p. 43075–43086, DOI: 10.1021/acsami.3c04636

46. A. A. Pitenis, A. C. Dunn, and W. G. Sawyer. Expanding Fluidized Zones: A Model of Speed-Invariant Lubricity in Biology. Tribol. Lett. (2023) 71, 3, p. 204715, DOI: 10.1007/s11249-023-01743-2

45. K. E. Van Meter, A. A. Pitenis, K. L. Harris, W. G. Sawyer, and B. A Krick. Contact Pressure Dependent Mechanisms of Ultralow Wear PTFE Composites. Wear (2023) 522, p. 204715, DOI: 10.1016/j.wear.2023.204715 

(Wear of Materials Conference Ken Ludema Best Paper Award)

2022

44. J. M. Rosas, D. J. Atkins, A. L. Chau, Y.-T. Chen, R. Bae, M. K. Cavanaugh, R. I. Espinosa Lima, A. Bordeos, M. G. Bryant, and A. A. Pitenis. In Vitro Models of Soft Tissue Damage by Implant-Associated Frictional Shear Stresses. Proc. Inst. Mech. Eng. J: J. Eng. Tribol. (2022) 237, 5, DOI: 10.1177/13506501221132897

43. D. J. Atkins, A. L. Chau, J. M. Rosas, Y.-T. Chen, S. T. Chan, J. M. Urueña, and A. A. Pitenis. Silicone Implant Surface Roughness, Friction, and Wear. Surf. Topogr.: Metrol. Prop. (2022) 11, p. 014010, DOI: 10.1088/2051-672X/ac9f5a

42. A. L. Chau, P. T. Getty, A. R. Rhode, C. M. Bates, C. J. Hawker, and A. A. Pitenis. Superlubricity of pH-Responsive Hydrogels in Extreme Environments. Front. Chem. (2022) 10, p. 891519, DOI: 10.3389/fchem.2022.891519

41. L. K. Månsson, A. A. Pitenis, and M. Z. Wilson. Extracellular Optogenetics at the Interface of Synthetic Biology & Materials Science. Front. Bioeng. Biotechnol. (2022) 10, p. 903982, DOI: 10.3389/fbioe.2022.903982

2021

40. A. L. Chau, J. M. Urueña, and A. A. Pitenis. Load-Independent Hydrogel Friction. Biotribology (2021), 26, p. 100183, DOI: 10.1016/j.biotri.2021.100183

39. E. O. McGhee, A. L. Chau, M. C. Cavanaugh, J. G. Rosa, C. L. G. Davidson IV, J. Kim, J. M. Urueña, B. S. Sumerlin, A. A. Pitenis and W.G. Sawyer. Amphiphilic Gel Lubrication and the Solvophilic Transition. Biotribology (2021) 26, p. 100170, DOI: 10.1016/j.biotri.2021.100170

38. A. L. Chau, M. K. Cavanaugh, Y.-T. Chen, and A. A. Pitenis. A Simple Contact Mechanics Model for Highly Strained Aqueous Surface Gels. Exp. Mech. (2021) 61, 4, p. 699-703, DOI: 10.1007/s11340-021-00699-5

2020

37. E. Hopkins, E. Valois, A. Stull, K. Le, A. A. Pitenis, and M. Z. Wilson. An Optogenetic Platform to Dynamically Control the Stiffness of Collagen Hydrogels. ACS Biomater. Sci. Eng. (2020) 7, 2, p. 408-414, DOI: 10.1021/acsbiomaterials.0c01488

36. S. M. Hart, E. O. McGhee, J. M. Urueña, P. P. Levings, S. S. Eikenberry, M. A. Schaller, A. A. Pitenis, and W. G. Sawyer. Surface Gel Layers Reduce Shear Stress and Damage of Corneal Epithelial Cells. Tribol. Lett. (2020) 68, 4, p. 1-9, DOI: 10.1007/s11249-020-01344-3

35. G. D. Degen, J. Chen, A. L. Chau, and A. A. Pitenis. Poroelasticity of Highly Confined Hydrogel Films Measured with a Surface Forces Apparatus. Soft Matter (2020) 16, 35, p. 8096-8100, DOI: 10.1039/D0SM01312A

34. A. L. Chau, J. M. Rosas, G. D. Degen, L. K. Månsson, J. Chen, E. Valois, and A. A. Pitenis. Aqueous Surface Gels as Low Friction Interfaces to Mitigate Implant-Associated Inflammation. J. Mater. Chem. B (2020) 8, p. 6782-6791, DOI: 10.1039/D0TB00582G

33. A. A. Pitenis, and W. G. Sawyer. Soft Textured Implants: Roughness, Friction, and the Complications. Biotribology (2020) 22, p. 100127, DOI: 10.1016/j.biotri.2020.100127

2019

32. E. O. McGhee, J. M. Urueña, A. A. Pitenis, and W. G. Sawyer. Temperature-Dependent Friction of Gemini Hydrogels. Tribol. Lett. (2019) 67, p. 117, DOI: 10.1007/s11249-019-1229-9

31. G. D. Degen, T. R. Cristiani, N. Cadirov, R. C. Andresen Eguiluz, K. Kristiansen, A. A. Pitenis, and J. N. Israelachvili. Surface Damage Influences the JKR Contact Mechanics of Glassy Low-Molecular-Weight Polystyrene Films. Langmuir (2019) 35, p. 15674-15680, DOI: 10.1021/acs.langmuir.9b02037

30. S. M. Hart, G. D. Degen, J. M. Urueña, P. P. Levings, W. G. Sawyer, and A. A. Pitenis Friction-Induced Apoptosis. Tribol. Lett. (2019) 67, p. 82, DOI: 10.1007/s11249-019-1197-0

(Featured in the Cutting Edge editorial: W. T. Tysoe and N. D. Spencer. Cell Death by Sliding. Tribol. Lubr. Technol. (2019) 75,10, p. 76-78)

2018

29. J. M. Urueña, S. M. Hart, D. L. Hood, E. O. McGhee, S. R. Niemi, K. D. Schulze, P. P. Levings, W. G. Sawyer, and A. A. Pitenis. Considerations for Biotribometers: Cells, Gels, and Tissues. Tribol. Lett. (2018) 66, p. 141, DOI: 10.1007/s11249-018-1094-y

28. M. R. Jones, E. O. McGhee, S. L. Marshall, S. M. Hart, J. M. Urueña, S. R. Niemi, A. A. Pitenis, and K. D. Schulze. The Role of Microstructure in Ultralow Wear Fluoropolymer Composites. Tribol. Trans. (2018) 62, 1, p. 135-143, DOI: 10.1080/10402004.2018.1502855

27. A. A. Pitenis and W. G. Sawyer. Lubricity of High Water Content Aqueous Gels. Tribol. Lett. (2018) 66, p. 113-120, DOI: 10.1007/s11249-018-1063-5

26. A. A. Pitenis, J. M. Urueña, S. M. Hart, C. S. O’Bryan, S. L. Marshall, P. P. Levings, T. E. Angelini, and W. G. Sawyer. Friction-Induced Inflammation. Tribol. Lett. (2018) 66, p. 81-94, DOI: 10.1007/s11249-018-1029-7

25. J. M. Urueña, E. O. McGhee, T. E. Angelini, D. Dowson, W. G. Sawyer, and A. A. Pitenis. Normal Load Scaling of Friction in Gemini Hydrogels. Biotribology (2018) 13, p. 30-35, DOI: 10.1016/j.biotri.2018.01.002

24. E. O. McGhee, A. A. Pitenis, J. M. Urueña, K. D. Schulze, A. J. McGhee, C. S. O’Bryan, M. Garcia, T. Bhattacharjee, T. E. Angelini, and W. G. Sawyer. In Situ Measurements of Contact Dynamics in Speed-Dependent Hydrogel Friction. Biotribology (2018) 13, p. 23-29, DOI: 10.1016/j.biotri.2017.12.002

2017

23. A. A. Pitenis, J. M. Urueña, E. O. McGhee, S. M. Hart, E. R. Reale, J. Kim, K. D. Schulze, S. L. Marshall, A. I. Bennett, S. R. Niemi, T. E. Angelini, W. G. Sawyer, and A. C. Dunn. Challenges and Opportunities in Soft Tribology. Tribol. - Mater. Surf. Interfaces (2017) 11, 4, p. 1-7, DOI: 10.1080/17515831.2017.1400779

22. A. J. McGhee, A. A. Pitenis, A. I. Bennett, K. L. Harris, K. D. Schulze, J. M. Urueña, P. G. Ifju, T. E. Angelini, M. H. Müser, and W. G. Sawyer. Contact and Deformation of Randomly Rough Surfaces with Varying Root-Mean-Square Gradient. Tribol. Lett. (2017) 65, p. 157, DOI: 10.1007/s11249-017-0942-5

21. A. I. Bennett, K. L. Harris, K. D. Schulze, J. M. Urueña, A. A. Pitenis, M. H. M ̈user, T. E. Angelini, and W. G. Sawyer. Contact Measurements of Randomly Rough Surfaces. Tribol. Lett. (2017) 65, p. 134, DOI: 10.1007/s11249-017-0918-5

20. A. I. Bennett, S. Rohde, K. L. Harris, K. D. Schulze, J. M. Urueña, A. A. Pitenis, P. G. Ifju, T. E. Angelini, M. H. M ̈user, and W. G Sawyer. Deformation Measurements of Randomly Rough Surfaces. Tribol. Lett. (2017) 65, p. 123. DOI: 10.1007/s11249-017-0901-1

19. T. Hormel , T. Bhattacharjee, A. A. Pitenis, J. M. Urueña, W. G. Sawyer, T. E. Angelini. A Confocal Fluorescence Microscopy Method for Measuring Mucous Layer Growth on Living Corneal Epithelia. Biotribology (2017) 11, p. 73-76. DOI: 10.1016/j.biotri.2017.04.004

18. K. D. Schulze, S. M. Hart, S. L. Marshall, C. S. O’Bryan, J. M. Urueña, A. A. Pitenis, W. G. Sawyer, T. E. Angelini. Polymer Osmotic Pressure in Hydrogel Contact Mechanics. Biotribology (2017) 11, p. 3-7. DOI: 10.1016/j.biotri.2017.03.004

(International Conference of Biotribology (ICoBT) Best Paper Award)

17. A. A. Pitenis, J. M. Urueña, T. Hormel, T. Bhattacharjee, S. R. Niemi, S. L. Marshall, S. M. Hart, K. D. Schulze, T. E. Angelini, W. G. Sawyer. Corneal Cell Friction: Survival, Lubricity, Tear Films, and Mucin Production over Extended Duration In Vitro Studies. Biotribology (2017) 11, p. 77-83, DOI: 10.1016/j.biotri.2017.04.003

16. S. L. Marshall, S. M. Hart, K. D. Schulze, J. M. Urueña, E. O. McGhee, A. I. Bennett, A. A. Pitenis, C. S. O’Bryan, T. E. Angelini, W. G. Sawyer. Spherically Capped Membrane Probes for Low Contact Pressure Tribology. Biotribology (2017) 11, p. 69-72. DOI: 10.1016/j.biotri.2017.03.008

2016

15. T. F. Babuska, A. A. Pitenis, M. R. Jones, B. L. Nation, W. G. Sawyer, and N. Argibay. Temperature dependent friction and wear behavior of PTFE and MoS₂. Tribol. Lett. (2016) 63, Issue 2, p. 1-7. DOI: 10.1007/s11249-016-0702-y

14. M. A. Sidebottom, A. A. Pitenis, C. P. Junk, D. J. Kasprzak, G. S. Blackman, H. E. Burch, K. L. Harris, W. G. Sawyer, and B. A. Krick. Ultralow Wear Perfluoroalkoxy (PFA) Polymer Alumina Composites. Wear (2016) 362-363, p. 179-185. DOI: 10.1016/j.wear.2016.06.003

13. A. A. Pitenis, J. M. Urueña, A. C. Cooper, T. E. Angelini, and W. G. Sawyer . Superlubricity in Gemini Hydrogels. J. Tribol. - T. ASME, (2016) 138, 4, p. 42103-42103-3. DOI: 10.1115/1.4032890

12. A. A. Pitenis, J. M. Urueña, R. M. Nixon, T. Bhattacharjee, B. A. Krick, A. C. Dunn, T. E. Angelini, and W. G. Sawyer. Lubricity from Polymer Entangled Networks on Hydrogels. J. Tribol. - T. ASME (2016) 138, 4, p. 42102-42102-4. DOI: 10.1115/1.4032889

2015

11. A. C. Dunn, A. A. Pitenis, J. M. Urueña, W. G. Sawyer, and T. E. Angelini. Kinetics of Aqueous Lubrication in the Hydrophilic Hydrogel Gemini Interface. Proc. Inst. Mech. Eng. H: J. Eng. Med. (2015) 229, 12, p. 889-894. DOI: 10.1177/0954411915612819

10. B. A. Krick, A. A. Pitenis, K. L. Harris, C. P. Junk, W. G. Sawyer, S. C. Brown, H. D. Rosenfeld, D. J. Kasprzak, R. S. Johnson, C. D. Chan, and G. S. Blackman. Ultralow Wear Fluoropolymer Composites: Nanoscale Functionality from Microscale Fillers. Tribol. Int. (2015) 95, p. 245-255. DOI:10.1016/j.triboint.2015.10.002

9. K. L. Harris, J. F. Curry, A. A. Pitenis, K. G. Rowe, M. A. Sidebottom, W. G. Sawyer, and B. A. Krick. Wear Debris Mobility, Aligned Surface Roughness, and the Low Wear Behavior of Filled Polytetrafluoroethylene. Tribol. Lett. (2015) 60, 2, p. 1-8. DOI: 10.1007/s11249-015-0581-7

8. K. L. Harris, A. A. Pitenis, W. G. Sawyer, B. A. Krick, G. S. Blackman, D. J. Kasprzak, and C. P. Junk . PTFE Tribology and the Role of Mechanochemistry in the Development of Protective Surface Films. Macromolecules (2015) 48, 11, p. 3739-3745. DOI: 10.1021/acs.macromol.5b00452

7. J. M. Urueña, A. A. Pitenis, R. M. Nixon, K. D. Schulze, T. E. Angelini, and W. G. Sawyer. Mesh Size Control of Polymer Fluctuation Lubrication in Gemini Hydrogels. Biotribology (2015) 1-2, 1, p. 24-29. DOI: 10.1016/j.biotri.2015.03.001

6. J. M. Urueña, A. A. Pitenis, K. L. Harris, and W. G. Sawyer. Evolution and Wear of Fluoropolymer Transfer Films. Tribol. Lett. (2015) 57, 9, p. 1-8. DOI: 10.1007/s11249-014-0453-6

5. A. A. Pitenis, K. L. Harris, C. P. Junk, G. S. Blackman, W. G. Sawyer, and B. A. Krick. Ultralow Wear PTFE and Alumina Composites: It is All About Tribochemistry. Tribol. Lett. (2015) 57, 4, p. 1-8. DOI: 10.1007/s11249-014-0445-6

2014

4. A. A. Pitenis, J. M. Urueña, K. D. Schulze, R. M. Nixon, A. C. Dunn, B. A. Krick, W. G. Sawyer, and T. E. Angelini. Polymer Fluctuation Lubrication in Hydrogel Gemini Interfaces. Soft Matter (2014) 10, 44, p. 8955-8962. DOI: 10.1039/C4SM01728E

3. A. A. Pitenis, D. Dowson, and W. G. Sawyer . Leonardo da Vinci's Friction Experiments: An Old Story Acknowledged and Repeated. Tribol. Lett. (2014) 56, 3, p. 509-515. DOI: 10.1007/s11249-014-0428-7

(Featured in the Cutting Edge editorial: W. T. Tysoe and N. D. Spencer. Testing the da Vinci Codex. Tribol. Lubr. Technol. (2015) 71, 2, p. 72)

2. K. G. Rowe, K. L. Harris, K. D. Schulze, S. L. Marshall, A. A. Pitenis, J. M. Urueña, S. R. Niemi, A. I. Bennett, A. C. Dunn, T. E. Angelini, and W. G. Sawyer. Lessons from the Lollipop: Biotribology, Tribocorrosion, and Irregular Surfaces. Tribol. Lett. (2014) 56, 2, p. 273-280. DOI: 10.1007/s11249-014-0407-z

(Featured in the Cutting Edge editorial: W. T. Tysoe and N. D. Spencer. How Many Licks. Tribol. Lubr. Technol. (2014) 70, 12, p. 104)

1. A. A. Pitenis, J. J. Ewin, K. L. Harris, and W. G. Sawyer, and B. A. Krick. In Vacuo Tribological Behavior of Polytetrafluoroethylene (PTFE) and Alumina Nanocomposites: The Importance of Water for Ultralow Wear. Tribol. Lett. (2014) 53, 1, p. 189-197. DOI: 10.1007/s11249-013-0256-1