نتایج جستجو برای: regeneration time

تعداد نتایج: 1945329  

2013
Gaurav Kumar Arjun Singh Ruchi Tyagi

This paper investigates the problem of wavelength assignment in dynamic wavelength reusable multicarrier distributed (WRMD) wavelength-divisionmultiplexing (WDM) networks. In WRMD network lightpath between source and destination edge nodes (ENs) are established by using multi-carrier light source (MCLS). An MCLS is a communication light source device that can generate multiple optical carriers ...

2016
Sophie Rodius Ganna Androsova Lou Götz Robin Liechti Isaac Crespo Susanne Merz Petr V. Nazarov Niek de Klein Céline Jeanty Juan M. González-Rosa Arnaud Muller Francois Bernardin Simone P. Niclou Laurent Vallar Nadia Mercader Mark Ibberson Ioannis Xenarios Francisco Azuaje

The zebrafish has the capacity to regenerate its heart after severe injury. While the function of a few genes during this process has been studied, we are far from fully understanding how genes interact to coordinate heart regeneration. To enable systematic insights into this phenomenon, we generated and integrated a dynamic co-expression network of heart regeneration in the zebrafish and linke...

Journal: :FASEB journal : official publication of the Federation of American Societies for Experimental Biology 2009
Natalia G Kan Dirk Junghans Juan Carlos Izpisua Izpisua Belmonte

Here, we describe the zebrafish (Danio rerio) as a vertebrate model system to study liver regeneration with the added benefit of its powerful genetics and screening possibilities to uncover the molecular pathways underlying liver regeneration. We developed a partial hepatectomy (PH) protocol in zebrafish and investigated in detail the cellular and morphological changes during the process of liv...

Background: Many people suffer from nerve injury. The time consuming nature of the treatments makes the condition worse. Therefore, finding a way to accelerate the process of nerve repair is very important.Objective: To determine the effect of ultrasound on the acceleration of crushed peripheral nerve regeneration.Methods: The experimental model included crushed rat’s sciatic nerve. 40 rats w...

2013
Giancarlo Gavioli

This thesis investigates the use of Semiconductor Optical Amplifiers (SOA) for 10 and 40Gb/s all-optical 3R signal regeneration and wavelength conversion for application to advanced high-speed all-optical WDM networks. Detailed experimental characterisation of the magnitude and the time scales of inter­ band nonlinear effects in SOA is carried out. The regenerative properties of SOA gates are t...

Journal: :Journal of biomaterials science. Polymer edition 2010
Yu Kimura Takashi Inamoto Yasuhiko Tabata

In vivo adipose tissue regeneration by preadipocytes was evaluated by combining them with collagen sponges with different biodegradabilities and gelatin microspheres incorporating basic fibroblast growth factor (bFGF) for the controlled release. The collagen sponge biodegradability was regulated from 1-4 weeks by changing the cross-linking conditions in collagen sponge preparation. The time pro...

2012
Runkuan Yang Xiaoping Zou Marja-Leena Koskinen Jyrki Tenhunen

INTRODUCTION Inflammation may critically affect mechanisms of liver injury in acetaminophen (APAP) hepatotoxicity. Kupffer cells (KC) play important roles in inflammation, and KC depletion confers protection at early time points after APAP treatment but can lead to more severe injury at a later time point. It is possible that some inflammatory factors might contribute to liver damage at an earl...

Tourism is a progressively major part of economies of urban areas. Urban regeneration as a subcategory of urban tourism has been the center of many urban projects. This study addresses the role of space syntax theory as an analytical tool and design aided tool in urban regeneration. For this purpose, we examined the development of a square in the Kuala Lumpur City Center (KLCC) using space synt...

Journal: :مجله علوم اعصاب شفای خاتم 0
marzieh darvishi a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. department of anatomy, tarbiat modares university, tehran, iran. taghi tiraihi a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. department of anatomy, tarbiat modares university, tehran, iran. taher taheri shefa neuroscience research center, khatam alanbia hospital, tehran, iran.

central nervous system axons fail to regenerate after spinal cord injury (sci), partially due to the accumulation of extracellular matrix molecules in the lesion and formation of the glial scar. depakine, as known as histone deacetylase inhibitor, has neuroprotective effects. this study evaluated the histological changes (cavitation and axon regeneration) after sci associated with (following ad...

Journal: :journal of agricultural science and technology 2015
r. karim f. ahmed u. krishna roy t. ara r. islam

strawberry is a valuable, nutritious, and economically important fruit all over the world including bangladesh. therefore, there is a demand to develop a suitable variety of strawberry. for this purpose, leaf explants from in vitro grown strawberry plantlets were cultured onto ms medium supplemented with different concentrations and combinations of 2,4-d, naa and ba for callus induction. the mo...

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