نتایج جستجو برای: lambda red recombineering

تعداد نتایج: 175606  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده علوم ریاضی 1390

فضاهای فشرده و لیندلوف از فضاهای اساسی در مطاله ی توپولوژی هستند که تا به حال به طور مجزا مطالعه شده اند. در این پایان نامه با تعریف $lambda$-فشردگی هر دو فضا را با یک خاصیت مشترک در نظر می گیریم که وقتی $lambda$ برابر با $aleph_{circ}$ است؛ فضای فشرده و وقتی که $lambda$ برابر با $aleph_1$ است؛ فضای لیندلوف نافشرده به دست می آید.فضای $lambda$-فشرده را تعریف کرده و نشان داده ایم که...

Journal: :Investigative ophthalmology & visual science 1996
A Remky E Beausencourt A E Elsner

PURPOSE Angioscotomas are scotomata caused by vessel shadows. Their extent may be influenced by physiological and pharmacologic conditions and disease. In this study, the authors quantified angioscotomas in normal subjects using a fundus perimetry technique with a scanning laser ophthalmoscope. They further investigated the influence of two different wavelengths on scotoma depth. METHODS For ...

2015
Mohammad J Hossain Charles M. Thurlow Dawei Sun Shamima Nasrin Mark R. Liles

The genetic modification of primary bacterial disease isolates is challenging due to the lack of highly efficient genetic tools. Herein we describe the development of a modified PCR-based, λ Red-mediated recombineering system for efficient deletion of genes in Gram-negative bacteria. A series of conjugally transferrable plasmids were constructed by cloning an oriT sequence and different antibio...

2013
Yang Liu Yan Zhang Weidong Han

A 70-year-old man presented with a 6-year history of oedema of both lower extremities. Ultrasonic examination showed bilateral anterior tibial artery occlusion due to thrombosis, moderate bilateral pleural effusions and ascites. He had severe pancytopenia, chronic renal dysfunction (serum creatinine 223 8 lmol/l and more than 1 g/24 h of urinary protein) and, on ultrasound examination, mildly e...

Journal: :International journal of clinical and experimental medicine 2015
Yali Lv Wenbin Qian

We reported a rare case of pure red cell aplasia in a 44-year-old man with multiple myeloma with biclonal gammophathy (IgG lambda and IgA lambda type) with severe anemia. After treatment with bortezomib, adriamycin, and dexamethasone, the patient achieved very good partial response with disappearance of monoclonal gammopathy. However, his anemia was not significantly improved. Bone marrow analy...

Journal: :Ecological applications : a publication of the Ecological Society of America 2006
Laura Rogers-Bennett Robert T Leaf

Prospective elasticity analyses have been used to aid in the management of fished species and the conservation of endangered species. Elasticities were examined for deterministic size-based matrix models of red abalone, Haliotis rufescens, and white abalone, H. sorenseni, to evaluate which size classes influenced population growth (lambda) the most. In the red abalone matrix, growth transitions...

Journal: :Nature Reviews Microbiology 2008

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