Results 111 to 120 of about 342,532 (326)

Challenges and Opportunities of Upconversion Nanoparticles for Emerging NIR Optoelectronic Devices

Advanced Materials, EarlyView.
The special photo‐responsiveness of upconversion nanoparticles has opened up a new path for the advancement of near‐infrared (NIR)‐responsive optoelectronics. However, challenges such as low energy‐conversion efficiency and high nonradiative losses still persist.
Sunyingyue Geng, Hangfei Li, Ziyu Lv, Yongbiao Zhai, Bobo Tian, Ying Luo, Ye Zhou, Su‐Ting Han   +7 more
wiley   +1 more source

Transient elastohydrodynamic lubrication analysis of a novel metal-on-metal hip prosthesis with a non-spherical femoral bearing surface

, 2011
Effective lubrication performance of metal-on-metal hip implants only requires optimum conformity within the main loaded area, while it is advantageous to increase the clearance in the equatorial region.
Anissian H.L., Bergmann G., Calonius O., Catelas I., Dobbs H.S., Dowson D., Firkins P.J., Gao LM, Grubl A., Hu X.Q., Jacobs J.J., Lee R., Liu F., Meng Q.E., Meng QE, Rieker C., Skipor A.K., Tuke M.A., Venner C.H., Wang F.C., Yao J.Q.   +20 more
core   +1 more source

Materials Advances in Devices for Heart Disease Interventions

Advanced Materials, EarlyView.
This review examines the crucial role of materials in heart disease interventions, focusing on strategies for monitoring, managing, and repairing heart conditions. It discusses the material requirements for medical devices, highlighting recent innovations and their impact on cardiovascular health.
Gagan K. Jalandhra, Lauryn Srethbhakdi, James Davies, Chi Cong Nguyen, Phuoc Thien Phan, Zachary Och, Aditya Ashok, Khoon S. Lim, Hoang‐Phuong Phan, Thanh Nho Do, Nigel H. Lovell, Jelena Rnjak‐Kovacina   +11 more
wiley   +1 more source

Next‐Generation Image Sensors Based on Low‐Dimensional Semiconductor Materials

Advanced Materials, EarlyView.
Low‐dimensional semiconductor materials are promising candidates for photosensitive components in next‐generation image sensors. This review offers a thorough and timely examination of novel image sensors, covering their working principles, intriguing materials categorized into four main groups, and advanced imaging applications.
Yunxia Hu, Zhaoli Gao, Zhengtang Luo, Liang An   +3 more
wiley   +1 more source

Parametric modeling of sports prostheses based on the flat spring design formulas

Journal of Biomechanical Science and Engineering, 2019
Sports prosthesis for lower-extremity amputees has a mechanical structure similar to flat springs, and its elastic energy is expected to improve sports performance. However, it is quite challenging to represent the mechanical phenomena during the takeoff
Kazunori HASE, Hiroto TOGAWA, Satoshi KOBAYASHI, Goro OBINATA   +3 more
doaj   +1 more source

Harnessing Photo‐Energy Conversion in Nanomaterials for Precision Theranostics

Advanced Materials, EarlyView.
Harnessing photo‐energy conversion in nanomaterials enables precision theranostics through light‐driven mechanisms such as photoluminescence, photothermal, photoelectric, photoacoustic, photo‐triggered surface‐enhanced Raman scattering (SERS), and photodynamic processes. This review explores six fundamental principles of photo‐energy conversion, recent
Jingyu Shi, Yadi Fan, Qin Zhang, Yingying Huang, Mo Yang   +4 more
wiley   +1 more source

Kinematic Analysis of a Posterior-stabilized Knee Prosthesis

Chinese Medical Journal, 2015
Background: The goal of total knee arthroplasty (TKA) is to restore knee kinematics. Knee prosthesis design plays a very important role in successful restoration.
Zhi-Xin Zhao, Liang Wen, Tie-Bing Qu, Li-Li Hou, Dong Xiang, Jia Bin   +5 more
doaj   +1 more source

Engineering Cellular Self‐Adhesions Inside 3D Printed Micro‐Arches to Enhance Cell:Biomaterial Attachment

Advanced Materials, EarlyView.
Surprisingly, a cell can bind to itself to make a self‐adhesion, which engineered here to improve how cells attach to biomaterials. Nanoprinting are used to make 3D structures smaller than cells–called Self‐Adhesion‐Tunnels (SATs)–around which cells can wrap and bind to themselves.
Anamika Singh, Hannah E. Kim, Lauren Rawson, Margaret Miao, Daniel J. Cohen   +4 more
wiley   +1 more source

Importance of preclinical evaluation of wear in hip implant designs using simulator machines

Revista Brasileira de Ortopedia
Total hip arthroplasty (THA) is a surgical procedure that involves the replacement of the damaged joint of the hip by an artificial device. Despite the recognized clinical success of hip implants, wear of the articulating surfaces remains as one of the ...
Rafael Mello Trommer, Márcia Marie Maru
doaj   +1 more source

Overcoming Challenges and Innovations in Orthopedic Prosthesis Design: An Interdisciplinary Perspective. [PDF]

Biomed Mater Devices, 2023
Kulkarni PG, Paudel N, Magar S, Santilli MF, Kashyap S, Baranwal AK, Zamboni P, Vasavada P, Katiyar A, Singh AV.   +9 more
europepmc   +1 more source