نتایج جستجو برای: آزمایش نفوذ مخروط cpt
تعداد نتایج: 84784 فیلتر نتایج به سال:
مقایسه آزمایشگاهی سیل آپیکالی ریشه پس از تهیه فضای پست متعاقب دو روش پر کردن کانال ریشه دکتر حسین لباف1- دکتر لیلا شاکری2 - دکتر کیومرث نظری مقدم3 - دکتر کیامرث هنردار1- دکتر شجاع الدین شایق4 1- استادیار گروه آموزشی اندودنتیکس دانشکده دندانپزشکی دانشگاه شاهد2- عضو هیأت علمی گروه آموزشی اندودنتیکس دانشکده دندانپزشکی دانشگاه شاهد3- دانشیار گروه آموزشی اندودنتیکس دانشکده دندانپزشکی دانشگاه شاهد4...
Soluble copolymers of camptothecin (CPT), based on poly[N-(2-hydroxypropyl) methacrylamide] (pHPMA), were obtained by conjugation through the degradable spacers -Gly-Phe-Leu-Gly- or -Gly-6-aminohexanoyl-Gly-. We investigated to what extent passive accumulation and retention of hydroxypropyl methacrylamide copolymer of CPT (pHPMA-CPT) in tumors and modulation of the drug release influence effica...
Camptothecin (CPT), a plant alkaloid with antitumor activity, is a specific inhibitor of eukaryotic DNA topoisomerase I. We have previously isolated and characterized a CPT-resistant topoisomerase I isolated from a CPT-resistant human leukemia cell line, CPT-K5. cDNA clones of topoisomerase I were isolated from the CPT-resistant and the parental CPT-sensitive cell lines, respectively. Sequencin...
Background: Cuffed pharyngeal tube is a device designed for ventilation of anesthetized patients. CPT has advantages over face mask including: maintaining of face mask can be difficult and boring after several minutes and mobility of the practitioner is reduced due to involvement of hands. Mask pressure can cause soft tissue and nerve damage around the nose. Anesthetic gas leakage from the mask...
this work presents free vibration analysis of laminated rectangular plates with classical boundary conditions based on the classical plate theory (cpt). the first involves an s-fgm plate with different boundary conditions. then involves a two-layer plate in which an s-fgm layer is coated on a homogeneous substrate with classical boundary conditions, simply called an s-fgm-coated plate; the othe...
یکی از انواع هندسه های مرسوم در صنایع هوافضا اشکالی با هندسه پوسته های مخروط ناقص هستند. مخروط های ناقص را می¬توان به عنوان دماغه اغلب وسایل پرنده بکار برد. طراحی بهینه هر چه ظریف تر سازه ها با قابلیت و استحکام بالا آرزوی هر مهندس طراح است. در اینجا به بررسی پوسته مخروط ناقص کامپوزیتی تقویت شده تحت بار هیدرواستاتیک خارجی پرداخته شده است. در ابتدا مبحث فاکتورها و پارامترهای مهم در طراحی این نوع ...
Cryptotanshinone (CPT), a natural compound isolated from the plant Salvia miltiorrhiza Bunge, is a potential anticancer agent. However, the underlying mechanism is not well understood. Here, we show that CPT induced caspase-independent cell death in human tumor cells (Rh30, DU145, and MCF-7). Besides downregulating antiapoptotic protein expression of survivin and Mcl-1, CPT increased phosphoryl...
Data is inconsistent concerning the question whether cognitive-physical training (CPT) yields stronger cognitive gains than cognitive training (CT). Effects of additional counseling, neurobiological mechanisms, and predictors have scarcely been studied. Healthy older adults were trained with CT (n = 20), CPT (n = 25), or CPT with counseling (CPT+C; n = 23). Cognition, physical fitness, BDNF, IG...
Purpose: To evaluate the pharmacokinetics and tissue disposition of macromolecular camptothecin (CPT) drug conjugate, XMT-1001, and irinotecan (CPT-11) in mice bearing HT-29 xenograft tumors. Experimental Design: The antitumor efficacy of XMT-1001 was evaluated in the mouse HT-29 human colon carcinoma xenograft model. XMT-1001 was administered intravenously to female athymic nude (nu/ nu) mice ...
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