نتایج جستجو برای: silk cocoon

تعداد نتایج: 9850  

Journal: :E3S web of conferences 2023

The demand for natural fibers such as silk, wool, and cotton is growing globally, especially silk fabrics raw materials from cocoons. In nations with well-established sericulture, efforts are concentrated on enhancing the quantity quality of cocoon production by high-nutrition-value mulberry varieties through asexual reproduction. study aimed to determine productivity hybrids during double oper...

Journal: :Journal of Natural Fibers 2022

Five layers, i.e. floss, upper, middle, lower and pelade, exist in cocoon shell from outer to inner portion. An attempt has been made for assessment of microstructural characteristics eri silk fiber different layers cocoons. Wide angle x- ray diffraction revealed increase crystallinity as well degree orientation decrease crystal size besides lattice spacing remains at par floss pelade layers. S...

Journal: :Bulletin of the Agricultural Chemical Society of Japan 1929

2013
GANESH PRABU

Silkworm Bombyx mori is an important economic insect and also a tool to convert leaf protein into silk. The industrial and commercial use of silk, the historical and economic importance of production and its application in all over the world finely contributed to the silkworm promotion as a powerful laboratory model for the basic research in biology. The mulberry leaf is the only important sour...

2015
Yuancheng Wang Feng Wang Riyuan Wang Ping Zhao Qingyou Xia

Fundamental and applied studies of silkworms have entered the functional genomics era. Here, we report a multi-gene expression system (MGES) based on 2A self-cleaving peptide (2A), which regulates the simultaneous expression and cleavage of multiple gene targets in the silk gland of transgenic silkworms. First, a glycine-serine-glycine spacer (GSG) was found to significantly improve the cleavag...

Journal: :Indian journal of experimental biology 2000
K Trivedy K S Nair P K Chinya

In silkworm, prothoracicotropic hormone (PTTH), directly or indirectly controls silk production and spinning activity along with juvenile hormone (JH). An effort was made to exploit the potential of PTTH by indirectly activating silk gland for increasing silk productivity using short chain synthetic analogues of PTTH. The analogy in action was also established using PTTH extracted from the silk...

2013
N. Oxman

The research explores the process of silk deposition generated by the silkworm Bombyx mori and proposes a novel fiber-based digital fabrication approach inspired by its biological counterpart. We review a suite of analytical methods used to observe and describe fiber-based constructions across multiple length-scales. Translational research from biology to digital fabrication is implemented by e...

محمد فضیلتی, , کیوان اعتباری, ,

In order to investigate the effects of mineral compounds as complementary nutrients for silkworm, Bombyx mori, an experiment was performed in CRD with five treatments including: 1%, 5% and10% concentrations of multi-mineral mixtures (nitrogen, phosphorus and potassium) with normal and distilled water treatments as controls. The larvae were fed by mulberry leaves from Shien Ichenoise variety up ...

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