نتایج جستجو برای: ct dna
تعداد نتایج: 639029 فیلتر نتایج به سال:
Rev1 is a translesion synthesis (TLS) DNA polymerase essential for DNA damage tolerance in eukaryotes. In the process of TLS stalled high-fidelity replicative DNA polymerases are temporarily replaced by specialized TLS enzymes that can bypass sites of DNA damage (lesions), thus allowing replication to continue or postreplicational gaps to be filled. Despite its limited catalytic activity, human...
background and aims. the imaging techniques commonly used for foreign body detection include plain radiography, xeroradiography, computed tomography (ct) scans, magnetic resonance imaging (mri) and ultrasonography. the aim of the present study was to compare cone-beam computed tomography (cbct) with conventional ct scan in determination of the exact location of a foreign body in the maxillofaci...
the c7-ras 6/061-004 training course by the international atomic energy agency/regional cooperative agreement (iaea/rca) was held in chiba in 2014. the syllabus, pre- and post-course evaluations, and survey questionnaire results were assembled in this course. the post-course evaluation, including 32 questions similar to the pre-course evaluation, was performed right after the end of the final e...
A direct comparison of DNA charge transport (CT) with different photooxidants has been made. Photooxidants tested include the two metallointercalators, Rh(phi)(2)(bpy')(3+) and Ru(phen)(bpy')(dppz)(2+), and three organic intercalators, ethidium (Et), thionine (Th), and anthraquinone (AQ). CT has been examined through a DNA duplex containing an A(6)-tract intervening between two 5'-CGGC-3' sites...
پیش زمینه : وزیکویورترال رفلکس(vur) یک اختلال مادرزادی است که برگشت جریان ادرار از دستگاه ادراری تحتانی به سمت دستگاه ادراری فوقانی صورت می گیرد .vur می تواند به وسیله نقص هایی در تشکیل دستگاه ادراری تحتانی ایجاد شود; یکی از آن ها، نقص در محل اتصال حالب و مثانه (vuj) است. عفونت دستگاه ادراری یکی از علائم vur است که با التهاب در بیماران همراه است . il-33 یک سایتوکاین می باشد که از سلول های ایمنی...
Cholera toxin (CT) stimulated DNA synthesis by low-density primary cultures of adult rat type II pneumocytes (T2P) in a dose-dependent manner, either in the presence or the absence of serum. In the presence of 1% rat serum, 1 microgram/ml CT also stimulated a 50% increase in cell number over 8 days of incubation (P<0.01); this was in addition to a 2-fold increase in cell number induced by the s...
Previous studies of the Drosophila melanogaster hsp26 gene promoter have demonstrated the importance of a homopurine*homopyrimidine segment [primarily (CT)n*(GA)n] for chromatin structure formation and gene activation. (CT)n regions are known to bind GAGA factor, a dominant enhancer of PEV thought to play a role in generating an accessible chromatin structure. The (CT)n region can also form an ...
Peripheral blood lymphocytes (PBL) from psoriatic patients therapeutically exposed to polycyclic aromatic hydrocarbons (PAH) during coal tar (CT) treatment were used to evaluate the in vivo formation of benzo[a]pyrene diol epoxide(BaPDE)-DNA adducts by an ELISA technique and by the 32P-postlabeling method. Moreover, we controlled if the pretreatment with CT influences the formation of BaP-DNA a...
برهمکنش dna تیموس گاوی با isatin و دو مشتق سنتزی آن , isatin-?-thiosemicarbazone, ibt isonicotinylhydrazone(iinh) isatin-3- در ph فیزیولوژیکی مطالعه شد. برهمکنش ها با طیف سنجیuv-vis،طیف سنجی فوتومتری، آزمایشات رقابتی، دورنگ نمایی دورانی، تکنیک ویسکوزیمتری مطالعه شد. هیچ جابجایی قرمز و نقطه ایزوبستیک در طیف های جذبی مرئیisatin مشاهده نشد. یک واکنش خاموش شدن قوی فلوئوسانس isatin با dna مشاهده شد...
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