منابع مشابه
شناسایی مولکولی و گروه بندی جدایه های دو ویروسapple stem grooving virus و apple stem pitting virus در استان اصفهان
چکیده سیب درختی (malus domestica borkh) متعلق به خانواده rosaceae از میوه های مهم و اقتصادی مناطق معتدله و سردسیری ایران است. ویروس ساقه شیاری سیب apple stem grooving virus (asgv) عضو تیپ جنس capillovirus و ویروس ساقه آبله ای سیب apple stem pitting virus (aspv) عضو تیپ جنس foveavirus متعلق به خانوادهbetaflexiviridae ، از مهمترین ویروس های بیماری زای سیب محسوب می شوند. آلودگی این دو ویروس درس...
15 صفحه اولon the equivalence of constructed-response and multiple-choice : stem-equivalent, stem non-equivalent but content equivalent, and stem and content non-equivalent items in reading comprehension using multifaceted rasch
the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...
Stem Cells So far! Stem Cell Therapy Facts and Principles
Stem cells are cells with the ability to divide for indefinite periods and to give rise to specialized cells. Stem cell therapy has now been emerged as an extraordinary promise to treat a wide range of diseases and conditions. However, except blood stem cell transfer by bone marrow transplant which has been used as an standard practice for more than 50 years, nearly all of therapeutic potenti...
متن کاملWhat are Stem Cells?
Stem cells are undifferentiated self regenerating multi potential cells. There are three types of stem cells categories by the ability to form after cells and correlated with the body’s development process. Totipotent: these stem cells can form an entire organism such as fertilized egg. Ploripotent: ploripotent cells are those that can form any cell in the body but cannot form an entire organ...
متن کاملSkin Stem Cells
The future development of medicine will greatly depend on research, knowledge and clinical application of stem cells. In recent years, stem cells especially; skin stem cells have been very interesting and amazing targets for study and scientific application in the following fields : 1- Cell-based therapy; 2- Regenerative medicine and tissue engineering; 3- Gene therapy; 4- Therapeutic cloning; ...
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ژورنال
عنوان ژورنال: Microscopy and Microanalysis
سال: 2002
ISSN: 1431-9276,1435-8115
DOI: 10.1017/s143192760210184x