نتایج جستجو برای: dcf

تعداد نتایج: 1596  

Journal: :Anticancer research 2011
Tomoya Yokota Shunzo Hatooka Takashi Ura Tetsuya Abe Daisuke Takahari Kohei Shitara Motoo Nomura Chihiro Kondo Ayako Mizota Yasushi Yatabe Masayuki Shinoda Kei Muro

BACKGROUND This study aimed to evaluate the efficacy of docetaxel plus 5-fluorouracil and cisplatin (DCF) induction chemotherapy for locally advanced borderline-resectable T4 esophageal cancer. PATIENTS AND METHODS We retrospectively analyzed data regarding thirty patients with borderline-resectable T4 tumor who received either DCF or cisplatin plus 5-fluorouracil (FP) as induction chemothera...

Journal: :CoRR 2009
Maher Ben Jemaa Maryam Kallel Zouari Bachar Zouari

This study aims to identify the advantages and disadvantages of several mechanisms for service differentiation in mobile terminals of a wireless LAN to establish a better and more efficient network. According to the analysis of available approaches for the quality of service of the IEEE 802.11 standard, the objective of this paper is to suggest a new method named DF-DCF "Differentiated Frame DC...

2011
Nurul I. Sarkar

While various factors affecting the performance of a typical IEEE 802.11 DCF (“DCF”) medium access control (MAC) protocol, transmission overhead is one of the main causes of DCF MAC inefficiency. This paper provides an analysis of DCF overhead to show that the network throughput degrades significantly due to its high transmission overhead for a singleuser scenario. Simulation modeling is used t...

Abstract Introduction: Gastric cancer is the fourth common cancer and the second leading cause of cancer death worldwide. Due to lack of adequate information on the side effects of chemotherapy regimens in treatment of gastric cancer, this study was aimed to determine the side effects of two common chemotherapy regimens of gastric cancer. Methods: This prospective study was conducte...

Journal: :Blood 1997
D Bougie S T Johnson L A Weitekamp R H Aster

A 75-year-old woman taking the nonsteroidal anti-inflammatory drug diclofenac (DCF) presented with acute Coombs-positive hemolytic anemia and subsequently developed renal failure. A drug-dependent antibody specific for red blood cells (RBCs) could not be demonstrated by in vitro testing with DCF. However, her serum was found to contain an IgM antibody that reacted strongly with RBCs in the pres...

2000
Nozomi Niitsu Yuri Yamamoto-Yamaguchi Takashi Kasukabe Junko Okabe-Kado Masanori Umeda Yoshio Honma

2*-Deoxycoformycin (dCF) as a single agent hasbeenreported tobe lesseffectiveagainst myeloid than against lymphoid malignancies in clinical trials. However, previous studies have shown that in the presence of 2*-deoxyadenosine (dAd), human monocytoid leukemia cell lines are much more sensitive to dCF with regard to the inhibition of cell proliferation. Thus, dCF might be useful for treating mon...

2006
Nakjung Choi Seongil Han Yongho Seok Yanghee Choi Taekyoung Kwon

The distributed coordination function (DCF) of IEEE 802.11 MAC protocol is not scalable as the number of users on a network increases. We propose two new contention resolution schemes to reduce the number of collisions between a large number of contending mobile stations. The hybrid DCF (H-DCF) scheme splits contention resolution into two phases to improve scalability. Enhanced hybrid DCF (EHDC...

Journal: :Entropy 2017
Ahmed Attia Abotabl Aria Nosratinia

Abstract: The Decode-Compress-Forward (DCF) is a generalization of Decode-Forward (DF) and Compress-Forward (CF). This paper investigates conditions under which DCF offers gains over DF and CF, addresses the problem of coded modulation for DCF, and evaluates the performance of DCF coded modulation implemented via low-density parity-check (LDPC) codes and polar codes. We begin by revisiting the ...

2005
Yun Li Keping Long Weiliang Zhao Qianbin Chen Yujun Kuang

In this paper, we define a new performance parameter, named PPT, for 802.11 DCF, which binds successful transmission probability and saturation throughput together. An expression of optimal minimum contention windows (CWmin) is obtained analytically for maximizing PPT. For simplicity, we give a name DCF-PPT to the 802.11 DCF that sets its CWmin according this expression. The simulation results ...

Journal: :The Biochemical journal 2010
Markus Karlsson Tino Kurz Ulf T Brunk Sven E Nilsson Christina I Frennesson

H(2)DCF-DA (dihydrodichlorofluorescein diacetate) is widely used to evaluate 'cellular oxidative stress'. After passing through the plasma membrane, this lipophilic and non-fluorescent compound is de-esterified to a hydrophilic alcohol [H(2)DCF (dihydrodichlorofluorescein)] that may be oxidized to fluorescent DCF (2',7'-dichlorofluorescein) by a process usually considered to involve ROS (reacti...

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