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to assess hard ticks population on sangsari sheep breed under the effect of weather’s parameters such as duration of sun shine, humidity, ambient temperature, altitude, 5% of a flock (almost 1000 sheep in mountains and fields of semnan and tehran provinces) were randomly separated and were observed monthly. during a year, a total of 1505 hard ticks (635 females and 870 males) containing dermace...
We have developed a positive screen for cloning PCR products based on translational activation of lacZ. A vector with a translationally deficient lacZ alpha gene has been made by deletion of the Shine-Dalgarno sequence and initiation codon. The Shine-Dalgarno sequence and initiation codon are incorporated into one of the PCR primers to allow complementation by the PCR product of the inactive la...
How to prepare for an interview; this is your moment to shine and turn it into a successful experience! http://ow.ly/Wv0y302E8Fd.
any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...
UNLABELLED Child stunting and anemia are intractable public health problems in developing countries and have profound short- and long-term consequences. The Sanitation Hygiene Infant Nutrition Efficacy (SHINE) trial is motivated by the premise that environmental enteric dysfunction (EED) is a major underlying cause of both stunting and anemia, that chronic inflammation is the central characteri...
Physician-scientists have been recognized as an important piece for the advancement of medicine by being translators of medical research. Despite this recognized role, physician-scientists in the United States have decreased from 5% of all physician workforce in 1987 to 1.5% in 2014. Why, in spite of their relevance, have physician-scientists become a rara avis in medical research? It is a comp...
Volume 14, Number 2 280 Interwoven are Mnookin’s investigations into cognitive science about the reliability of instinct and gut reaction—often cited by parents as reasons for not vaccinating their children. One author of this review read The Panic Virus as a student in an undergraduate public health microbiology course and found the book detailed yet readable. Worthwhile for students seeking a...
The R17/MS2 coat protein serves as a translational repressor of replicase by binding to a 19 nt RNA hairpin containing the Shine-Dalgarno sequence and the initiation codon of the replicase gene. We have explored the structural features of the RNA operator site that are necessary for efficient translational repression by the R17/MS2 coat protein in vivo . The R17/MS2 coat protein efficiently dir...
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