نتایج جستجو برای: natural Hydrogel

تعداد نتایج: 494046  

Ebrahim Vasheghani-Farahani Maryam Hafii Masoud Soleimani, Mohammad Amin Mohammadifar Moslem Tavakol, Sameereh Hashemi-Najafabadi,

Background: The excellent biocompatibility, biodegradability and biological properties of the hydrogels, fabricated using natural polymers, especially polysaccharides, are very advantageous for biomedical applications. Gum tragacanth (GT) is a heterogeneous highly branched anionic polysaccharide, which has been used extensively in food and pharmaceutical industries. Despite,  its desirable prop...

Journal: :iranian journal of biotechnology 2014
moslem tavakol ebrahim vasheghani-farahani masoud soleimani mohammad amin mohammadifar sameereh hashemi-najafabadi

background: the excellent biocompatibility, biodegradability and biological properties of the hydrogels, fabricated using natural polymers, especially polysaccharides, are very advantageous for biomedical applications. gum tragacanth (gt) is a heterogeneous highly branched anionic polysaccharide, which has been used extensively in food and pharmaceutical industries. despite,  its desirable prop...

Journal: :Soft matter 2015
Fuyuan Ding Shuping Wu Shishuai Wang Yuan Xiong Yan Li Bin Li Hongbing Deng Yumin Du Ling Xiao Xiaowen Shi

Natural polymeric hydrogels with self-healing capability that can recover the functionalities and structures of gels after damage are extremely attractive due to their emerging applications in the biomedical field. Here we report a self-healable polymeric hydrogel by self-crosslinking two natural polymers acrylamide-modified chitin (AMC) containing amino groups and oxidized alginate containing ...

2017
Hyunwoo Yuk Shaoting Lin Chu Ma Mahdi Takaffoli Nicolas X Fang Xuanhe Zhao

Sea animals such as leptocephali develop tissues and organs composed of active transparent hydrogels to achieve agile motions and natural camouflage in water. Hydrogel-based actuators that can imitate the capabilities of leptocephali will enable new applications in diverse fields. However, existing hydrogel actuators, mostly osmotic-driven, are intrinsically low-speed and/or low-force; and thei...

Journal: :Nanosystems: Physics, Chemistry, Mathematics 2019

2016
Nicholas Bodenberger Dennis Kubiczek Irina Abrosimova Annika Scharm Franziska Kipper Paul Walther Frank Rosenau

Different methods to create and manipulate pore sizes in hydrogel fabrication are available, but systematic studies are normally conducted with hydrogels made of synthetic chemical compounds as backbones. In this study, a hydrogel made of natural and abundant protein in combination with different, well-available techniques was used to produce different architectures within the hydrogel matrix. ...

2013
Ibrahim M. El-Sherbiny Magdi H. Yacoub

Designing of biologically active scaffolds with optimal characteristics is one of the key factors for successful tissue engineering. Recently, hydrogels have received a considerable interest as leading candidates for engineered tissue scaffolds due to their unique compositional and structural similarities to the natural extracellular matrix, in addition to their desirable framework for cellular...

2017
S. S. Salehi A. Shamloo

Poor ability of cartilage tissue when experiencing a damage leads scientists to use tissue engineering as a reliable and effective method for regenerating or replacing damaged tissues. An artificial tissue should have some features such as biocompatibility, biodegradation and, enough mechanical properties like the original tissue. In this work, a composite hydrogel is prepared by using natural ...

2016
Min-Yu Chiang Yao-Wen Hsu Hsin-Yi Hsieh San-Yuan Chen Shih-Kang Fan

Formation of multifunctional, heterogeneous, and encoded hydrogel building blocks, or microgels, by crosslinking and assembly of microgels are two essential steps in establishing hierarchical, complicated, and three-dimensional (3D) hydrogel architectures that recapitulate natural and biological structures or originate new materials by design. However, for the variety of the hydrogel materials ...

2015
Hyeongmin Kim Jieun Ro Sonia Barua Deuk Sun Hwang Seon-Jeong Na Ho Sung Lee Ji Hoon Jeong Seulki Woo Hyewon Kim Bomi Hong Gyiae Yun Joong-Hark Kim Young-Ho Yoon Myung-Gyu Park Jia Kim Uy Dong Sohn Jaehwi Lee

We investigated the combined moisturizing effect of liposomal serine and a cosmeceutical base selected in this study. Serine is a major amino acid consisting of natural moisturizing factors and keratin, and the hydroxyl group of serine can actively interact with water molecules. Therefore, we hypothesized that serine efficiently delivered to the stratum corneum (SC) of the skin would enhance th...

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