نتایج جستجو برای: regeneration condition

تعداد نتایج: 374366  

Saint julien A is one of the important semi-dwarf rootstocks belonging to prunus family in terms of resistance to some common disease and pests in stone-fruits in addition to its high compatibility to different stone-fruit cultivars. In this study, the effects of methyl jasmonate, TIBA and scopoletin were studied on some parameters of shoot regeneration, IAA-Oxidase activity as well as improvin...

شفیعی دستجردی, مسعود, مرادیان بروجنی, پیمان,

Urban regeneration is a comprehensive plan preparing the ground for sustainable improvement in economic, physical, social, and environmental condition in a city. Locating urban regeneration projects is one of the most important steps of the plan. The result of the negligence is failure in the implementation of projects or the imposition of financial, social, and cultural damages to cities. The ...

Abiotic stress conditions can be imposed on plants through either poor water quality or adverse climate condition. These types of stress affect plant growth and development throughout their life cycle. Plants that are tolerant to drought are therefore valuable, and turf grasses have the potential to grow tolerant. Turf grasses provide ground cover and offer multiple benefits, from their aesthet...

2005
Patrice Bertail Stéphan Clémençon

Harris Markov chains make their appearance in many areas of statistical modeling, in particular in time series analysis. Recent years have seen a rapid growth of statistical techniques adapted to data exhibiting this particular pattern of dependence. In this paper an attempt is made to present how renewal properties of Harris recurrent Markov chains or of specific extensions of the latter may b...

Journal: :journal of dentistry, tehran university of medical sciences 0
sara soheilifar department of priodontics, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran iraj amiri research center for endometrium and endometriosis, hamadan university of medical sciences, hamadan, ir iran mohsen bidgoli mohsen bidgoli: assistant professor, priodontics department, faculty of dentistry, hamadan university of medicalsciences, hamadan, iran morad hedayatipanah morad hedayatipanah, department of priodontics, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran. tel: +98-9188413990, e-mail: [email protected].

objectives : stem cell (sc) therapy is a promising technique for tissue regeneration. this study aimed to compare the viability and proliferation ability of periodontal ligament stem cells (pdlscs) isolated from the periodontium of healthy and periodontitis-affected teeth to obtain an autologous, easily accessible source of scs for tissue regeneration in periodontitis patients. materials and me...

Journal: :journal of dentistry, tehran university of medical sciences 0
m. paknejad associate professor, department of periodontology, school of dentistry, tehran university of medical ar. rokn associate professor, dental research center, tehran university of medical sciences, tehran, iran b. eslami associate professor, department of oral and maxillofacial pathology, dental school of shahid behesht r. afzalifar dentist, dental research center, tehran university of medical sciences, tehran, iran a. safiri periodontist, private practice

objective: the aim of present study was to evaluate the quality, density and thickness of newly formed bone in experimental defects treated with combi-pack®, bio-oss® and biostite®. materials and methods: eight new zealand white rabbits were included in this randomized,blinded study. four equal 3×6 mm bone defects were created on the frontal and parietal bones of each animal and three were imme...

Journal: :journal of plant molecular breeding 2015
mehdi younessi-hamzekhanlu ali izadi-darbandi mohammad ali malboubi mohsen ebrahimi

direct regenerations by using mature cotyledonary node as a explants has been shown to be time-saving and convenient strategy for micropropagation of soybean. so we have evaluated regeneration protocol through single shoot using cotyledonary node as a rapid and efficient protocol for two soybean cultivars and one mutant line. cotyledonary nodes explants obtained from 7-days-old in vitro seedlin...

Journal: :journal of plant molecular breeding 2014
mahdieh yousefiara maryam jafarkhani kermani abdolreza bagheri aliakbar habashi hamid abdollahi

conventional methods of pear breeding, largely based on intra- and inter-specific hybridization, are difficult because pear is highly heterozygous, polygenic and has a long juvenile period. genetic improvements of pear cultivars are possible through induction of mutations and gene transfer by genetic engineering. a general prerequisite for these approaches is to establish an efficient plant reg...

Journal: :Frontiers in forests and global change 2023

Managing multiple forest insect pests and diseases is challenging. For example, in eastern white pine ( Pinus strobus ) stands whereas partial shading high seedling density encouraged to reduce damage by blister rust Cronartium ribicola weevil Pissodes strobi ), dense conditions the understory may increase foliar such as brown spot needle blight Lecanosticta acicola Caliciopsis canker pinea ). ...

Journal: :Journal of Biomimetics, Biomaterials and Biomedical Engineering 2021

Various studies have been conducted to see the scaffold that supports regeneration of tendon. This study aims analyze in vitro secretome tenogenic potential produced by ASCs culture with fresh frozen tendon hypoxic conditions. ELISA tests for Scx and IGF-1 levels were obtained from ASC under normoxic (21%) hypoxia (2%) The immunohistochemical examination COL-1 was also carried out on 2 nd 6 th ...

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