نتایج جستجو برای: آزمون pca

تعداد نتایج: 143777  

2017
Chenchao Zhou Jun Zhang Ye Chen Hao Wang Jianquan Hou

BACKGROUND Interleukin (IL)-35 is a novel inhibitory cytokine and has recently been implicated in tumor immunity. However, the role of IL-35 in prostate cancer (PCa) has not been elucidated. OBJECTIVE To evaluate the role of plasma IL-35 in the diagnosis and prognosis of PCa in Chinese patients undergoing initial prostate biopsy. MATERIALS AND METHODS Using ELISA, plasma IL-35 levels were m...

2016
Vincent Zhang

In this project, we studied PCA based appearance model in visual tracking. We implemented PCA AM module in MTF framework and attempted different ways of formulating PCA. In the experiment sections, we demonstrate the tracking performance of offline PCA when combined with different search methods. PCA + Forward Compositional has shown great tracking accuracy and robustness. It indicates a good p...

2010
Xue Min Tian Gong Quan Chen Yu Ping Cao Sheng Chen

A unified framework based on the dynamic principal component analysis (PCA) is proposed for performance monitoring of constrained multi-variable model predictive control (MPC) systems. In the proposed performance monitoring framework, the dynamic PCA based performance benchmark is adopted for performance assessment, while performance diagnosis is carried out using a unified weighted dynamic PCA...

Journal: :Electronics 2022

This paper presents a novel feature descriptor termed principal component analysis (PCA)-based Advanced Local Octa-Directional Pattern (ALODP-PCA) for content-based image retrieval. The conventional approaches compare each pixel of an with certain neighboring pixels providing discrete information. proposed in this work utilizes the local intensity all eight directions its neighborhood. octa-dir...

2013
Yuri Yi Seongsik Kang Byeongmun Hwang

Patient-controlled analgesia (PCA) provides excellent pain control and high stability, thereby minimizing the incidence of adverse effects. However, one of our patients experienced respiratory depression and hypotension within 30 minutes of initiation of PCA therapy. We discovered that machine malfunction caused continuous activation of the PCA button, resulting in a drug overdose. The PCA mach...

Journal: :International journal of oncology 2008
Monika Fritzer-Szekeres Ivo Savinc Zsuzsanna Horvath Philipp Saiko Michael Pemberger Geraldine Graser Astrid Bernhaus Maria Ozsvar-Kozma Michael Grusch Walter Jaeger Thomas Szekeres

Piceatannol (3,3',4,5'-tetrahydroxy-trans-stilbene; PCA) is a naturally occurring metabolite of resveratrol (3,4',5-trihydroxy-trans-stilbene; RV). In this study, we identified additional biochemical targets of PCA in human HL-60 promyelocytic leukemia cells. Incubation with PCA led to a significant proportion of apoptotic cells and caused an arrest in the G2-M phase of the cell cycle. PCA depl...

Journal: :Blood 1982
A Kornberg A Treves E A Rachmilewitz E Fibach

Normal human monocytes and macrophages. as well as leukemic promyelocytes. generate potent procoagulant activity (PCA) resembling thromboplastin. In the present study only mild PCA was detected in a leukemic promyelocytic cell line (HL-60) and in promyelocytic cells induced to differentiate into neutrophils by dimethylsulfoxide (DMSO). After exposure to 1 2-O-tetradecanoylphorbol1 3-acetate (TP...

Journal: :Current oncology 2015
A G Matthew T Davidson S Ochs K L Currie A Petrella A Finelli

OBJECTIVE As prostate-specific antigen (psa) makes prostate cancer (pca) screening more accessible, more men are being identified with conditions that indicate high risk for developing pca, such as elevated psa and high-grade intraepithelial neoplasia (hgpin). In the present study, we assessed psychological well-being and risk perception in individuals with those high-risk conditions. METHODS...

Journal: :European urology 2012
Patrick J Bastian Stephen A Boorjian Alberto Bossi Alberto Briganti Axel Heidenreich Stephen J Freedland Francesco Montorsi Mack Roach Fritz Schröder Hein van Poppel Christian G Stief Andrew J Stephenson Michael J Zelefsky

CONTEXT High-risk prostate cancer (PCa) is a potentially lethal disease. It is clinically important to identify patients with high-risk PCa early on because they stand to benefit the most from curative therapy. Because of recent advances in PCa management, a multimodal approach may be advantageous. OBJECTIVE Define high-risk PCa, and identify the best diagnostic and treatment patterns for pat...

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