نتایج جستجو برای: POF

تعداد نتایج: 836  

Journal: :Chemistry 2013
Pradip Pachfule Vishal M Dhavale Sharath Kandambeth Sreekumar Kurungot Rahul Banerjee

Porous nitrogen-rich carbon (POF-C-1000) that was synthesized by using a porous organic framework (POF) as a self-sacrificing host template in a nanocasting process possessed a high degree of graphitization in an ordered structural arrangement with large domains and well-ordered arrays of carbon sheets. POF-C-1000 exhibits favorable electrocatalytic activity for the oxygen-reduction reaction (O...

2008
Mahnaz Ashrafi Masoumeh Fallahian Reza Salman Yazdi

Background: Premature ovarian failure (POF) is a disorder of multi causal etiology. Autoimmunity has been proposed as a mechanism for some cases of ovarian follicle dysfunction which is evident in POF. The aim of this study was to identify the level of auto-antibodies in POF and familial POF patients. Materials and Methods: In this study, auto-antibodies including anti-ovarian antibody (AOA), a...

2017
Yanhua Luo Binbin Yan Qijin Zhang Gang-Ding Peng Jianxiang Wen Jianzhong Zhang

Gratings inscribed in polymer optical fibre (POF) have attracted remarkable interest for many potential applications due to their distinctive properties. This paper overviews the current state of fabrication of POF gratings since their first demonstration in 1999. In particular we summarize and discuss POF materials, POF photosensitivity, techniques and issues of fabricating POF gratings, as we...

Journal: :Human reproduction 2008
Hyunjun Kang Seung Ku Lee Min-Ho Kim JiHyun Song Su Jin Bae Nam Keun Kim Sook-Hwan Lee KyuBum Kwack

BACKGROUND Premature ovarian failure (POF) is a complex and heterogeneous disorder that is influenced by multiple genetic components. Here, we performed a two-stage association study to identify POF-associated genes. METHODS A first stage linkage disequilibrium (LD)-based genome-wide association study was performed using 24 pairs of patients with POF and matched controls and a high-throughput...

Babak Eshrati, Mahnaz Ashrafi, Masoumeh Fallahian Reza Salman Yazdi

Background Premature ovarian failure (POF) is a disorder of multi causal etiology. Autoimmunity has been proposed as a mechanism for some cases of ovarian follicle dysfunction which is evident in POF. The aim of this study was to identify the level of auto-antibodies in POF and familial POF patients. MaterialsAndMethods In this study, auto-antibodies including anti-ovarian antibody (AOA), anti ...

Journal: :international journal of reproductive biomedicine 0
mahbod ebrahimi firouzeh akbari asbagh

premature ovarian failure (pof) is a heterogeneous syndrome with several causative factors. autoimmune mechanisms are involved in pathogenesis of 4-30 % of pof cases. the present review focuses on the role of autoimmunity in the pathophysiology of pof. the evidences for an autoimmune etiology are: demonstration of ovarian autoantibodies, the presence of lymphocytic oophoritis, and association w...

Journal: :international journal of fertility and sterility 0
mahnaz ashrafi masoumeh fallahian babak eshrati reza salman yazdi

background: premature ovarian failure (pof) is a disorder of multi causal etiology. autoimmunity has been proposed as a mechanism for some cases of ovarian follicle dysfunction which is evident in pof. the aim of this study was to identify the level of auto-antibodies in pof and familial pof patients. materials and methods: in this study, auto-antibodies including anti-ovarian antibody (aoa), a...

2015
Mahbod Ebrahimi Firouzeh Akbari Asbagh

Premature ovarian failure (POF) is a heterogeneous syndrome with several causative factors. Autoimmune mechanisms are involved in pathogenesis of 4-30 % of POF cases. The present review focuses on the role of autoimmunity in the pathophysiology of POF. The evidences for an autoimmune etiology are: demonstration of ovarian autoantibodies, the presence of lymphocytic oophoritis, and association w...

2017
Feiyang Wang Zibo Meng Shoukang Li Yushun Zhang Heshui Wu

Purpose The change of serum platelet indices such as platelet distribution width (PDW) has been reported in a series of inflammatory reaction and clinical diseases. However, the relationship between PDW and the incidence of persistent organ failure (POF) in acute pancreatitis (AP) has not been elucidated so far. Materials and Methods A total of 135 patients with AP admitted within 72 hours fr...

2016
Peng Huang Yushun Zhang Heshui Wu

Aim: Mean platelet volume (MPV) serves as a biomarker of platelet activation. Increased level of MPV is associated with uncontrolled and systemic infection and is correlated to sepsis severity, which is commonly observed in patients with acute pancreatitis (AP). AP patients with persistent organ failure (POF) show an extremely high mortality rate. The association underlying MPV and POF in AP ha...

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