نتایج جستجو برای: biomimetic

تعداد نتایج: 8027  

2014
Hongli Liu Yufeng Tang Qixin Zhu Guangming Xie

As mankind steps into the 21st century, the exploration of the ocean also enters a new phase. In the recent decades, the research on biomimetic robot fish has attracted scientific communities’ attention increasingly. With its character of high flexibility and intelligence, biomimetic robot fish have become one of the research focuses in the field of underwater robots in recent years. This paper...

2014
J. Suwanprateeb F. Thammarakcharoen

Calcium phosphate coating (CaP) has been employed for protein delivery, but the typical direct protein adsorption on the coating led to low incorporation content and fast release of the protein from the coating. By using bovine serum albumin (BSA) as a model protein, rapid biomimetic co-precipitation between calcium phosphate and BSA was employed to control the distribution of BSA within calciu...

2013
Chinatsu Mukai Lizeng Gao Magnus Bergkvist Jacquelyn L. Nelson Meleana M. Hinchman Alexander J. Travis

Maintaining activity of enzymes tethered to solid interfaces remains a major challenge in developing hybrid organic-inorganic devices. In nature, mammalian spermatozoa have overcome this design challenge by having glycolytic enzymes with specialized targeting domains that enable them to function while tethered to a cytoskeletal element. As a step toward designing a hybrid organic-inorganic ATP-...

2015
X. Lin K. de Groot D. Wang Q. Hu D. Wismeijer Y. Liu

Biomimetic calcium phosphate coatings have been developed for bone regeneration and repair because of their biocompatibility, osteoconductivity, and easy preparation. They can be rendered osteoinductive by incorporating an osteogenic agent, such as bone morphogenetic protein 2 (BMP-2), into the crystalline lattice work in physiological situations. The biomimetic calcium phosphate coating enable...

Journal: :Journal of the Royal Society, Interface 2010
Yuelian Liu Gang Wu Klaas de Groot

The repair of critical-sized bone defects is still challenging in the fields of implantology, maxillofacial surgery and orthopaedics. Current therapies such as autografts and allografts are associated with various limitations. Cytokine-based bone tissue engineering has been attracting increasing attention. Bone-inducing agents have been locally injected to stimulate the native bone-formation ac...

Journal: :Proceedings of the National Academy of Sciences 2013

2015
Islam S. Badreldin Karim G. Oweiss

2 Brain-machine interfaces rely on extracting motor control signals from brain activity in real time 3 to actuate external devices such as robotic limbs. Whereas biomimetic approaches to neural 4 decoding use motor imagery/observation signals, non-biomimetic approaches assign an arbi5 trary transformation that maps neural activity to motor control signals. In this work, we present 6 a unified f...

2004
J. Zach Hilt Nicholas A. Peppas Mark E. Byrne

Biomimetic polymer networks have been developed with tailored affinities and transport properties for a given target molecule, and these networks promise to significantly impact a wide variety of biomedical fields, including controlled drug delivery and biosensing. Biosensors typically employ biological compounds as recognition elements, and biomimetic artificial networks would be advantageous ...

2014
Yunqing Kang Liling Ren Yunzhi Yang

Treatment of large bone defects using synthetic scaffolds remain a challenge mainly due to insufficient vascularization. This study is to engineer a vascularized bone graft by integrating a vascularized biomimetic cell-sheet-engineered periosteum (CSEP) and a biodegradable macroporous beta-tricalcium phosphate (β-TCP) scaffold. We first cultured human mesenchymal stem cells (hMSCs) to form cell...

2015
Chris Ying Cao May Lei Mei Quan-li Li Edward Chin Man Lo Chun Hung Chu

Biomimetic mineralisation is an alternative restorative methodology that imitates the natural process of mineralisation. We aimed to systematically review the laboratory methods on the biomimetic mineralisation of demineralised enamel. A search in the PubMed, ScienceDirect, and ISI Web of Science databases was performed. Clinical trials, reviews, non-English articles, animal teeth, non-tooth su...

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