Results 131 to 140 of about 73,621 (310)

Study of film formation in EHD contacts using a novel method based on electrical capacitance

, 2011
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The elastohydrodynamic lubrication regime (EHD) is found in many machine elements, such as rolling element bearings, gears, cam/tappet, where a combination ...
Furtuna, Marian Dumitru
core  

Mitochondrial Dysfunction Unravels the Potential Molecular Link Between Night Shift Work‐Related Circadian Disruption and Elevated Blood Pressure in Human and Mouse Models

Advanced Science, EarlyView.
This diagram illustrates that night shift work disrupts circadian clock genes (like CLOCK, BMAL1) in both humans and mice. This disruption leads to mitochondrial dysfunction (imbalanced fusion/fission proteins) and increased oxidative stress, which is identified as the primary mechanism ultimately causing elevated blood pressure.
Zhaoqiang Jiang, Yifan Dou, Yingnan Lei, Shuang Liu, Jialin Zhou, Jiaping Li, Huadong Xu, Lingfang Feng, Yongxin Li, Chuyan Zhang, Tao Li, Jianfei Wang, Xing Zhang, Xinran Wang, Luyao Liu, Jingjing Zhang, Jianlin Lou   +16 more
wiley   +1 more source

Investigating the Effect of Water Contamination on Gearbox Lubrication based on Motor Control Data from a Sensorless Drive

, 2014
Water is one of the most significant destructive contaminations to lubricants which in turn lead to more power consumption and early damage to rotating machines.
Gu, Fengshou, Brethee, Khaldoon F., Ball, Andrew, Benghozzi, Ahmed, Abusaad, Samieh   +4 more
core  

Bioadhesive Hydrogel With Polyphenol‐Armored Nanogene Rejuvenates Chondrocyte Senescence for Aged Osteoarthritis Therapy

Advanced Science, EarlyView.
An adhesive hydrogel depot with polyphenol‐armored nanogenes is developed for treating aged osteoarthritis. This system maintains miR‐140 bioactivity, prolongs its intra‐articular retention, and enhances transfection into chondrocytes, leading to the downregulation of senescence‐associated pathways.
Liwei Yan, Runze Yang, Ting Zhou, Tianhao Xu, Yongqi Li, Yuelin Hu, Minghao Ge, Lei Zhang, Xiong Lu, Chaoming Xie, Weili Fu   +10 more
wiley   +1 more source

Enhanced dispersion stability of shear thickening fluid based on PS@ZIF-8 core‒shell nanospheres and ionic liquids for functional applications

Friction
Material failure caused by load impacts frequently results in significant economic losses and negative effects. The application expansion of shear thickening fluid (STF) under special impact conditions is expected to lead to the design of a prospective ...
Bingbing Lai, Jianglin Yin, Qin Zhao, Mengke Zhang, Gaiqing Zhao, Xiaobo Wang   +5 more
doaj   +1 more source

A Biomimetic Lubricant Captures Hyaluronic Acid In Situ to Regenerate Cartilage: From Bench to Bedside

Advanced Science, EarlyView.
(a) The outstanding lubricative properties of natural articular cartilage arise from a composite coating composed of HA, lubricin, and phospholipids at its surface. Notably, lubricin facilitates the enrichment of synovial HA onto cartilage surfaces, and HA complexes with phospholipids, a key component to maintain extremely low friction under high ...
Yongan Lin, Zijian Yan, Jiayi Chen, Xiaochao Wang, Ruibin Lin, Yunqi Fu, Zhaoying Lv, Bohui Wu, Xuewei Cao, Renjian Xie, Ming Dong, Chenxiao Zheng, Li Ren   +12 more
wiley   +1 more source

Acquisition of molecular rolling lubrication by self-curling of graphite nanosheet at cryogenic temperature

Nature Communications
Friction as a fundamental physical phenomenon dominates nature and human civilization, among which the achievement of molecular rolling lubrication is desired to bring another breakthrough, like the macroscale design of wheel.
Panpan Li, Wenhao He, Pengfei Ju, Li Ji, Xiaohong Liu, Fan Wu, Zhibin Lu, Hongxuan Li, Lei Chen, Jingzhou Liu, Huidi Zhou, Jianmin Chen   +11 more
doaj   +1 more source

Remote Magnetomechanical Neuromodulation Uncovers Therapeutic Mechanisms for Alleviating Parkinsonian Symptoms in Freely Moving Mice

Advanced Science, EarlyView.
Magnetomechanical neuromodulation using magnetic nanodiscs enables remote activation of neurons. In a hemiparkinsonian mouse model, alternating magnetic fields actuate the nanodiscs to generate torque that opens mechanosensitive ion channels within the subthalamic nucleus, thereby modulating basal ganglia motor circuitry.
Anouk Wolters, Lorenzo Signorelli, Christian Herff, Sophia Gimple, Renzo Riemens, Gunter Kenis, Kim Rijkers, Hamed Shabani, Jyh‐Jang Sun, Yasin Temel, Hans Clusmann, Danijela Gregurec, Sarah‐Anna Hescham   +12 more
wiley   +1 more source

Surface effects in adhesion, friction, wear, and lubrication /

, 1981
Includes bibliographical references and indexes.Print version record.Front Cover; Surface Effects in Adhesion, Friction, Wear, and Lubrication; Copyright Page; Preface; Contents; Chapter 1. Introduction; Chapter 2.
Buckley, Donald H.
core  

Contact mechanics modelling of articular cartilage and applications [PDF]

, 2006
Osteoarthritis (OA) is a degenerative disease of articular cartilage. The normal cartilage is known to be an excellent bearing material with remarkable lubricating properties and very low frictional co-efficient and wear and generally survives the ...
Pawaskar, Sainath Shrikant
core