نتایج جستجو برای: cocoon

تعداد نتایج: 1318  

Journal: :Acta biomaterialia 2012
Fujia Chen David Porter Fritz Vollrath

Bombyx mori cocoon is a natural composite made of silk fibre with a distinctive multi-layer structure that provides mechanical protection for its biological functions. Here we investigate the components, structure and mechanical properties of cocoon layers, and quantify the contributions of the multi-layer structure to the mechanical properties of cocoon. A better understanding of the multi-lay...

Journal: :علوم دامی ایران 0
حمیده مطهری منصور رضایی علیرضا صیداوی

an experiment was conducted to study the effect on performance of silkworm bombyx mori l., when fed by leaves of different mulberry varieties a crd design with 12 tratments (including kamasari, kaeiryo ichinose, kaeerizhotezomigaeeshi, tachibana, ichinose, chekemaoha, yukishinogi, shin ichinose, wasemidori, roso, kenmochi, as well as some local varieties in 4 replications. the larvae were reare...

2015
Yan Zhang Ping Zhao Zhaoming Dong Dandan Wang Pengchao Guo Xiaomeng Guo Qianru Song Weiwei Zhang Qingyou Xia

Bombyx mori cocoon has a multi-layer structure that provides optimal protection for silkworm pupa. Research on the mechanical properties of the multi-layer structure revealed structure-property relationships of the cocoon. Here, we investigated the protein components of the B. mori cocoon in terms of its multi-layer structure. Liquid chromatography-tandem mass spectrometry identified 286 protei...

2017
Maminirina Randrianandrasana Wen-Yen Wu David A. Carney Amy J. Wagoner Johnson May R. Berenbaum

Antherina suraka Boisduval (Saturniidae, Lepidoptera) produces a silken cocoon that has been the focus of efforts to create a commercial wild silk industry in Madagascar. In this study, structural and mechanical properties of the cocoon of A. suraka from two sites were measured and compared to the cocoon of Bombyx mori L. (Bombycidae, Lepidoptera) the world's most common source for silk. Result...

2012
Siti Sunarintyas Widowati Siswomihardjo Alva Edy Tontowi

Objectives. The aim of this paper was to evaluate the cytotoxicity of Indonesian silkworm cocoon extract of Cricula triphenestrata on human fibroblasts. Methods and Materials. The cocoon shells of the silkworm Cricula triphenestrata were degumming. The shells were mixed with an aqueous solution of 0.3% Na(2)CO(3) at 98°C for 1 hour. The solution was then dialyzed in cellulose membranes against ...

Journal: :Annali italiani di chirurgia 2013
Giuseppe Salamone Jenny Atzeni Antonino Agrusa Gaspare Gulotta

AIM Abdominal cocoon is a rare cause of intestinal obstruction usually diagnosed incidentally at laparotomy. It manifests by forming a membrane that typically encases the small bowel loops, leading to mechanical obstruction. Preoperative diagnosis is difficult. The etiology of this condition is not well understood; however, it is a form of chronic irritation and inflammation. METHOD A 33 year...

Journal: :Journal of Korean Medical Science 1995
Y. W. Yoon J. P. Chung H. J. Park H. G. Cho C. Y. Chon I. S. Park K. W. Kim H. D. Lee

Abdominal cocoon is a rare disease of the peritoneum and almost invariably presents as an acute or subacute intestinal obstruction with or without a mass. The etiology of this disease is largely unknown and abdominal cocoon of unknown etiology has been limited to the tropical and subtropical zones and primarily affects young adolescent females. In the temperate zone, only one case has been repo...

Journal: :The Malaysian journal of medical sciences : MJMS 2004
Nor Haznita Mohd Noor Nik Mohamed Zaki Gurjeet Kaur Venkatesh R Naik Ahmad Zahari Zakaria

Abdominal cocoon or sclerosing encapsulating peritonitis is a rare condition. A 46 year old Malay woman with adenomyosis and leiomyomata of the uterus and ovarian endometriotic cyst in association with abdominal cocoon is reported.

2014
Berhan Genç Seyhan Yalaz Atilla Çökmez Aynur Solak Erkan Yılmaz

Abdominal Cocoon Syndrome (ACS) or sclerosing encapsulating peritonitis is characterized by intestinal obstruction and ileus as a result of encasement of small intestines totally or partially by a thick fibrous sac. We herein present a patient undergoing Continuous Ambulatory Peritoneal Dialysis (CAPD) therapy for chronic renal failure for 3 years who developed intestinal obstruction and perfor...

2016
Leonid Ryzhyk Nikolaj Bjørner Marco Canini Jean-Baptiste Jeannin Nina Narodytska Cole Schlesinger Douglas B. Terry George Varghese

High-level SDN languages raise the level of abstraction in SDN programming from managing individual switches to programming network-wide policies. In this talk, we present Cocoon (for Correct by Construction Networking), an SDN programming language designed around the idea of iterative refinement. The network programmer starts with a high-level description of the desired network behavior, focus...

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