نتایج جستجو برای: embryos could not regenerate.
تعداد نتایج: 3408900 فیلتر نتایج به سال:
this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...
Conversation analysis and psychotherapy process research is an evolving field promising new insights for therapeutic practice. As the specimen case of Amalie, especially her 152nd session, has been investigated using various methods - of which we give a short overview - we offer a new analysis of session 152 based on a new transcription which allows for more detailed listening to the prosodic p...
BACKGROUND Computer based treatment for depression and anxiety has been available for several years and has demonstrated useful clinical effects. Most existing computerized CBT products in the UK that are designed to treat depression and co-morbid anxiety require patients to visit a clinic and require staff input to manage the process. Such intervention adds to the costs and bottlenecks in deli...
Most of the microspore-derived embryos can not regenerate normally in rapeseed. The effects of gibberellins (GA3), abscisic acid (ABA), and embryo desiccation on normal plantlet regeneration were studied. The donor plants were grown in a growth chamber at day/night temperatures of 15/10˚C with a 16/8h photoperiod, respectively. Microspores were isolated from whole buds of 2.5-3.5mm in length, c...
introduction: in the present study, the effects of oral morphine consumption in pregnant female rats on the amygdaloid complex development in the embryos were investigated. methods: female wistar rats weighing 250-300 g (n=15) were divided into control (n = 8) and experimental groups (n = 7). the experimental group received morphine (0.05 mg/ml) in their tap water. on the 19th day of pregnancy,...
introduction: the mouse embryos can successfully be vitrified using ethylene glycol as cryoprotectant, however their development differs significantly from the non-vitrified embryos. the ability of their development can be improved when they co-culture with somatic cells. in the present study, the effects of co-culturing with vero cells on the development of vitrified two cell mouse embryos wer...
abstract the variables affecting the nature of reading comprehension can be classified into two general categories: reader’s variables, and text variables (alderson, 2000). despite the wave of research on vocabulary knowledge as reader’s variable, the role of this knowledge in c-test as a text-dependent test and its interaction with lexical cohesion of the test as a text feature has remained a...
nowadays, the development of anti cancer drugs is an important subject in pharmacology. bisphosphonates (b.p) are a great choice for design and production of the types of drugs which not only could perform as anti cancer agents but also could inhibit the function of acetyl cholinesterase (ache). ache hydrolyzes the acetylcholine (which is a neurotransmitter in nervous system) using the oh in i...
A major problem for neuroscientists and clinicians is why the central nervous system shows ineffective regeneration after injury. Injured peripheral nerve fibers reform their connections, whereas those in injured spinal cord never re-grow. Insights into the mechanisms for repair and restoration of function after spinal cord injury have been obtained by experiments showing that injured nerve cel...
Magic blue (MB+˙ SbCl6− salt), i.e. tris-4-bromophenylamminium cation radical, is a routinely employed one-electron oxidant that slowly decomposes in the solid state upon storage to form so called ‘blues brothers’, which often complicate the quantitative analyses of the oxidation processes. Herein, we disclose the identity of the main ‘blues brother’ as the cation radical and dication of tetrak...
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