نتایج جستجو برای: walled structure

تعداد نتایج: 1579994  

2016
Jian Ji Minfeng Liu Yue Meng Runqi Liu Yan Yan Jianyu Dong Zhaoze Guo Changsheng Ye

BACKGROUND The lymphatic system plays a significant role in the defense of a subject against breast cancer and is one of the major pathways for the metastasis of breast cancer. To improve the prognosis, many means, including surgery, radiotherapy, and chemotherapy, have been used. However, the combination of all these modalities has limited efficacy. Lymph nodes, therefore, have become an except...

Journal: :Chemical communications 2011
Enjun Cheng Yulin Li Zhongqiang Yang Zhaoxiang Deng Dongsheng Liu

In this communication, we report the preparation of DNA-SWNT hybrid hydrogel which is pH responsive and strength tunable.

2015
Faguo Li Jiao Zhang Fenggang Bian Yanan Fu Yanling Xue Fucheng Yin Yu Xie Yi Xu Baode Sun

The filling and feeding of thin-walled structures in metal castings pose significant difficulties in manufacturing aerospace structural materials. Samples containing 2 mm and 5 mm thin-walled structures were designed to study the kinetics of filling. The microstructural evolution of the solidification of thin-walled structures was studied with synchrotron X-radiation imaging. The formation of d...

Journal: :Tissue engineering 2005
Ericka M Bueno Bahar Bilgen Gilda A Barabino

Hydrodynamic forces in bioreactors can decisively influence extracellular matrix deposition in engineered cartilage constructs. In the present study, the reduced fluid shear, high-axial mixing environment provided by a wavy-walled bioreactor was exploited in the cultivation of cartilage constructs using polyglycolic acid scaffolds seeded with bovine articular chondrocytes. Increased growth as d...

2010
Claudia Backes Andreas Hirsch

Within the past decades extensive research has shed light into the structure, reactivity and properties of carbon nanotubes (CNTs) [1–3]. This new carbon allotrope is theoretically constructed by rolling up a graphene sheet into a cylinder with the hexagonal rings joining seamlessly. Commonly, carbon nanotubes are classified into single-walled carbon nanotubes (SWCNTs) which consist of one cyli...

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