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Volume 10 No. 1
05 January 2022

Jianbin LUO

2022, 10(1): 1-1.   doi:10.1007/s40544-021-0567-4
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Guoxin XIE,Jianbin LUO

2022, 10(1): 2-3.   doi:10.1007/s40544-021-0576-3
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Xiaogang ZHANG,Yali ZHANG,Zhongmin JIN

2022, 10(1): 4-30.   doi:10.1007/s40544-021-0512-6
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Numerous medical devices have been applied for the treatment or alleviation of various diseases. Tribological issues widely exist in those medical devices and play vital roles in determining their performance and service life. In this review, the bio-tribological issues involved in commonly used medical devices are identified, including artificial joints, fracture fixation devices, skin-related devices, dental restoration devices, cardiovascular devices, and surgical instruments. The current ...

Jinlong SU,Jie TENG,Zili XU,Yuan LI

2022, 10(1): 31-43.   doi:10.1007/s40544-020-0361-8
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Magnesium matrix composites are a new generation of biocompatible implant materials, but they will inevitably undergo simultaneous wear and corrosion in the human body. In this study, hydroxyapatite (Ca10(PO4)6(OH)2, HA) is used in a magnesium matrix composite to study its effects on the corrosion-wear behavior. Two samples (a magnesium alloy composed of Mg, Zn, and Zr (ZK60) alloy and ZK60/10HA composite) were fabricated using the powder metallurgy...

Yi SONG,Zhouyi WANG,Yang LI,Zhendong DAI

2022, 10(1): 44-53.   doi:10.1007/s40544-020-0387-3
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Adhesion achieved through feet setae is fundamental for gecko agilely maneuvering. Although diverse hypotheses have been proposed, none of them thoroughly explains the setae function, implying a kind of hybrid-mechanism-based adhesion in geckos. In addition to van der Waals interactions and capillary force, the electrostatic attraction that emerges from triboelectrification was suggested as a component of setae adhesion. Nevertheless, the contribution by electrostatic attraction to the total ...

Jiawei LI,Luyao GAO,Rongnian XU,Shuanhong MA,Zhengfeng MA,Yanhua LIU,Yang WU,Libang FENG,Meirong CAI,Feng ZHOU

2022, 10(1): 54-67.   doi:10.1007/s40544-020-0389-9
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Hydrogels as one kind of soft materials with a typical three-dimensional (3D) hydrophilic network have been getting great attention in the field of biolubrication. However, traditional hydrogels commonly show poor tribology performance under high-load conditions because of their poor mechanical strength and toughness. Herein, pure chemical-crosslinking hydrogels mixed with different types of the micron-scale fibers can meet the requirements of strength and toughness for biolubrication materia...

Li WAN,Yi WANG,Xiaolong TAN,Yulong SUN,Jing LUO,Hongyu ZHANG

2022, 10(1): 68-79.   doi:10.1007/s40544-020-0391-2
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Osteoarthritis is characterized by lubrication failure of the articular cartilage and severe inflammation of the joint capsule. Lubricating mesoporous silica nanoparticles (MSNs) have been developed for the treatment of osteoarthritis based on enhanced lubrication and local drug delivery. However, MSNs are difficult to degrade in vivo in a short time, resulting in potential toxic effect due to bioaccumulation. In this study, biodegradable MSNs (bMSNs) were prepared through an oil-water...

Weijun LI,Hao LIU,Yuanyuan MI,Miaoran ZHANG,Jinmiao SHI,Ming ZHAO,Melvin A. RAMOS,Travis Shihao HU,Jianxiong LI,Meng XU,Quan XU

2022, 10(1): 80-93.   doi:10.1007/s40544-020-0416-x
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There is a high demand for hydrogels with multifunctional performance (a combination of adhesive, mechanical, and electrical properties) in biological, tissue engineering, robotics, and smart device applications. However, a majority of existing hydrogels are relatively rigid and brittle, with limited stretchability; this hinders their application in the emerging field of flexible devices. In this study, cheap and abundant potato residues were used with polyacrylamide (PAM) to fabricate a mult...

Caixia ZHANG,Junmin CHEN,Mengmeng LIU,Yuhong LIU,Zhifeng LIU,Hongyan CHU,Qiang CHENG,Jianhua WANG

2022, 10(1): 94-109.   doi:10.1007/s40544-020-0441-9
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Hydrophilic polymer coatings can improve the surface characteristics of artificial implants. However, because they are used in vivo, they inevitably come into contact with biomolecules that affect their interfacial tribological properties. In this paper, the friction behaviors of poly(vinylphosphonic acid) (PVPA)-modified Ti6Al4V and polytetrafluorethylene balls were analyzed using albumin, globulin, aggrecan, and hyaluronic acid as lubricants. The interaction properties and dynamic adsorptio...


2022, 10(1): 110-127.   doi:10.1007/s40544-020-0468-y
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Although experimental evidence has suggested that the polymer brush border (PBB) on the cartilage surface is important in regulating fluid permeability in the contact gap, the current theoretical understanding of joint lubrication is still limited. To address this research gap, a multiscale cartilage contact model that includes PBB, in particular its effect on the fluid permeability of the contact gap, is developed in this study. Microscale modeling is employed to estimate the permeability of...

Xiangyu HU,Haosheng CHEN,Jiang LI,Kuilin MENG,Yuming WANG,Yongjian LI

2022, 10(1): 128-141.   doi:10.1007/s40544-020-0470-2
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Hemorrhage is the phenomenon of blood loss caused by vascular trauma or other pathological reasons, which is life-threatening in severe cases. Because microhemorrhage is difficult to visually monitor and pre-treat in vivo, it is necessary to establish in vitro prediction methods to study the hemostasis mechanism in different physiological environments. In this study, a microfluidic bleeding model was developed to investigate the effect of blood flow shear on microvascular hemost...

Zonglin PAN,Qinzhao ZHOU,Pengfei WANG,Dongfeng DIAO

2022, 10(1): 142-158.   doi:10.1007/s40544-020-0471-3
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Reducing the friction force between the commercial archwire and bracket during the orthodontic treatment in general dental practice has attracted worldwide interest. An investigation on the friction and wear behaviors of the uncoated and carbon film coated stainless steel archwires running against stainless steel brackets was systematically conducted. The carbon films were prepared at substrate bias voltages from +5 to +50 V using an electron cyclotron resonance plasma sputtering system. With...

Ashish K. KASAR,Ashton CHAN,Victor SHAMANAEV,Pradeep L. MENEZES

2022, 10(1): 159-166.   doi:10.1007/s40544-020-0472-2
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3D printing in the textile and fashion industry is a new emerging technology. Applications of 3D printing for designing clothes and other wearable accessories require tribological and biological understanding of 3D printing plastics against the complex human skin to mitigate skin-friction related ailments such as calluses and blisters. This study provides tribological insight in search of an optimal 3D printable material that has minimal friction against the skin. Two low friction 3D printabl...

Lei LEI,Yue TANG,Jing ZHENG,Genlei MA,Zhongrong ZHOU

2022, 10(1): 167-178.   doi:10.1007/s40544-021-0494-4
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This study investigated the influence of two polyphenols on the structure and lubrication of the salivary pellicle, aiming to extend the understanding of astringency mechanisms. The salivary pellicle was prepared by the adsorption of human whole saliva on the enamel substrate. Low-astringency catechin and high-astringency tannic acid were used as astringents. The changes induced by the two polyphenols in the structure and lubrication of the salivary pellicle were examined using quartz crystal...