Affinity tags have become powerful tools from basic biological research to structural and functional proteomics. They were widely used to facilitate the purification and detection of proteins of interest, as well as the separation of protein complexes. Here, we mainly discuss the benefits and drawbacks of several affinity or epitope tags frequently used, including hexahistidine tag, FLAG tag, S...

many poets of the nineteen century follow poetry discipline since the nineteen centry. was after of fatrat periud. therefore innovative offering, the traditional thoughts and poetic in tentions in poetry appeared. saati was one of poets of the nineteen century. in verse of poetry the imitaror and innovator were. and signs of innovation gradually appeared in poems. he stereotype purposes with fr...

al-jawahiri, one of the most illustrious contemporary classical poets of iraq, was born in the holy city of najaf to a cultured, scholarly, and cultivated family. the scientific and cultural environment of najaf, the literary and scientific richness of his familial atmosphere, and al-jawahiri’s poetic taste and talent caused him to turn to his predecessor poets’ works, especially the ones from ...

some arab critics and historians believe that if we cast a look at complete poetical work of mahmoud sami al-baroudi, we will realize that he has not brought anything new into poetical affairs and technical form of poem. and also he has not stepped out of the current issues of his own age. al-baroudi’s poetry has been divided into panegyric, lampoon, glory, and rhyming and his sensational prosp...

This paper stems from a main goal, which is to find out the significance of verbs associated with words oppositeness, refer annexation and separation in poetry Abi Tammam Al-Ta’i, by analyzing these verbs, standing on, studying them careful contemplative study. To reveal its significance, reason why Abu used his poetry, combining through this regard, two contradicted words, depending highly on ...

“resistance literature” is a new term in iranian literature with subject of their islamic revolution and their sacred defense (related to the war iraq imposed iran from 1980 up to 1988). there are many poets who have being worked in this field and their names are listed in relevant books and encyclopedias. this article is to prove that the late farshidvard was one of the pioneer activists again...

adi - ben - zaid al- ebadi is one of the well-known poets in jaheli age who lived in court of sasanied kings and heerem's kings who were appointed and backed up by them. as such his life was away from tribal war and bedouin life. he had a good command of both arabic and persian languages. this poet was court scribe and ambassador of anoshirvan to seizer and his poetry was different from ot...

black humor plays a crucial role in fulfilling langston hughes's anti-racist purposes as an integral notionin his poetry. accordingly, translation(s) of his poetry are to benefit from the same indexes onthe basis of equivalent effect principle. on this account, 33 black-humor-rich poems of hughes, translatedby ahmad shamloo, yaghma golruee and hassan fayyad, were selected to be analyzed contras...

ahmad showqi is one of the outstanding contemporary poets and had such an important state among the poets who were called poet laureate. quran played as a spring which he enjoyed it a lot for his poetry. by studying his poetry we come to conclusion that holy quran had a significant effect on showqi’s poetry and he had used its vocabulary and semantics in all his poetry. doomsday and its images ...