نتایج جستجو برای: dba

تعداد نتایج: 3851  

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2008
Sulochana S Bhandarkar Jacqueline Bromberg Carol Carrillo Ponniah Selvakumar Rajendra K Sharma Betsy N Perry Baskaran Govindarajan Levi Fried Allie Sohn Kalpana Reddy Jack L Arbiser

PURPOSE Melanoma is a solid tumor that is notoriously resistant to chemotherapy, and its incidence is rapidly increasing. Recently, several signaling pathways have been shown to contribute to melanoma tumorigenesis, including constitutive activation of mitogen-activated protein kinase, Akt, and Stat-3. The activation of multiple pathways may account in part for the difficulty in treatment of me...

Journal: :Journal of Lightwave Technology 2022

Cooperative dynamic bandwidth allocation (CO-DBA) enables time division multiplexed passive optical network (TDM-PON) to become a possible solution for mobile fronthaul. Meanwhile, status-report DBA (SR-DBA) still retains its advantage on efficiency conventional PON services. The collaboration of CO- and SR-DBA is an enabling approach fixed-mobile convergence into single infrastructure. However...

ژورنال: :مجله دندانپزشکی جامعه اسلامی دندانپزشکان 0
دکتر محمدرضا شریفیان mohammad reza sharifian گروه آموزشی اندودنتیکس دانشکده دندانپزشکی دانشگاه علوم پزشکی تهران دکتر انسیه کاظمی فر ensiyeh kazemifar

اثر مواد چسبنده به عاج (dba) بر ریزنشت تاجی در درمان کانال ریشه دندان (مطالعه آزمایشگاهی) دکتر محمدرضا شریفیان* - دکتر انسیه کاظمی فر** *- استادیار گروه آموزشی اندودنتیکس دانشکده و مرکز تحقیقات دندانپزشکی دانشگاه علوم پزشکی تهران. **- دندانپزشک. چکیده زمینه و هدف: مهروموم تاجی در جلوگیری از آلودگی مجدد سیستم کانال ریشه و رسیدن محرکها به نسوج اطراف ریشه از اهمیت ویژه ای برخوردار است. هدف از انجا...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1390

در مطالعه پیل های سوختی الکلی مستقیم، هدف اصلی توسعه یک الکتروکاتالیست بهینه شده با اضافه ولتاژ کم و مقاومت بالاست. در این پروژه، به منظور توسعه کاتالیست های مورد استفاده در آند پیل های سوختی الکلی برای اولین بار از کاتالیستی جدیدی بر پایه پالادیم با نام pd(dba)2 یا بیس (دی بنزیلیدن استون) پالادیم (0) که یک کاتالیست آلی فلزی بر پایه پالادیم و دی بنزیلیدن استون می باشد، استفاده شد. برای بررسی می...

Journal: :Investigative ophthalmology & visual science 2015
Lucy Coughlin Richard S Morrison Philip J Horner Denise M Inman

PURPOSE Decreased ATP correlates with intraocular pressure exposure in the optic nerves of mice with glaucoma. To understand what underlies this energy deficit, we examined mitochondria in the myelinated optic nerve axons of the DBA/2J mouse, a model of glaucoma secondary to iris pigment disease, and the DBA/2(wt-gpnmb) control strain. METHODS Mitochondrial length, width, surface area, and he...

Journal: :Archives of Acoustics 2023

The effectiveness of half flat tip serrations on reducing fan blade trailing edge noise was investigated using experimental methods. experiments were conducted at an anechoic chamber under different rotating speeds. Numerical simulations performed to investigate the mass flow rate generated by serrated and compared with that baseline fan. results showed overall amount reduction decreased increa...

2015
Sara E. Sjögren Kavitha Siva Shamit Soneji Amee J. George Marcus Winkler Pekka Jaako Marcin Wlodarski Stefan Karlsson Ross D. Hannan Johan Flygare

Diamond-Blackfan anaemia (DBA) is a rare congenital disease causing severe anaemia and progressive bone marrow failure. The majority of patients carry mutations in ribosomal proteins, which leads to depletion of erythroid progenitors in the bone marrow. As many as 40% of all DBA patients receive glucocorticoids to alleviate their anaemia. However, despite their use in DBA treatment for more tha...

Journal: :The Journal of Experimental Medicine 1991
G Ruberti A Gaur C G Fathman A M Livingstone

T cell clones recognizing the sperm whale myoglobin (SpWMb) epitope 110-121 in association with H-2d major histocompatibility complex class II molecules display a very limited heterogeneity of T cell receptor (TCR) V beta usage in DBA/2 mice. All clones previously tested used the same V beta 8.2 gene segment and very restricted junctional regions. To investigate the significance of this observa...

Journal: :Biological & pharmaceutical bulletin 2003
Toshie Harada Noriko Nagi Miura Yoshiyuki Adachi Mitsuhiro Nakajima Toshiro Yadomae Naohito Ohno

A branched beta-glucan from Sparassis crispa (SCG) is a major 6-branched 1,3-beta-D-glucan showing antitumor activity. In the present study, we examined the anti-SCG antibody in naive mice by ELISA. Using SCG coated plate, sera of naive DBA/1 and DBA/2 mice contained significantly higher titers of antibody than other strains of mice. Anti-SCG Ab titers of each DBA/1 and DBA/2 mice were signific...

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