نتایج جستجو برای: bioactive substance atc

تعداد نتایج: 238911  

2012
R. Mohamad Idris A. Khairuddin M. W. Mustafa

In this paper, a novel method using Bees Algorithm is proposed to determine the optimal allocation of FACTS devices for maximizing the Available Transfer Capability (ATC) of power transactions between source and sink areas in the deregulated power system. The algorithm simultaneously searches the FACTS location, FACTS parameters and FACTS types. Two types of FACTS are simulated in this study na...

2011
Jeffrey C. Xing Justin A. Bishop Nestoras Mathioudakis Nishant Agrawal Ralph P. Tufano

Anaplastic thyroid cancer (ATC) is rare but extremely aggressive, which accounts for about 2% of all thyroid cancers yet nearly 50% of thyroid-cancer-associated deaths in the United States. The median survival time from diagnosis is 5 months, with a 1-year survival rate of only 20%. We report here a case of ATC in a 56-year-old man who survived a large ATC. Preoperative fine-needle aspiration b...

2005
James Allison Michael Kokkolaras Marc Zawislak Panos Y. Papalambros

The methods of analytical target cascading (ATC) and collaborative optimization (CO) are studied with respect to their intended use and applicability. ATC was initially developed as a product development tool, while CO evolved from efforts to coordinate multidisciplinary analyses using a multidisciplinary design optimization (MDO) formulation. ATC and CO are used typically to solve object-based...

Journal: :Environmental Health Perspectives 2001
A C Melo P D Moeller H Glasgow J M Burkholder J S Ramsdell

Pfiesteria piscicida Steidinger & Burkholder is a toxic dinoflagellate that leads to fish and human toxicity. It produces a bioactive substance that leads to cytotoxicity of GH4C1 rat pituitary cells. Extracellular adenosine 5'-triphosphate (ATP) acting on P2X7 purinergic receptors induces the formation of a nonselective cation channel, causing elevation of the cytosolic free calcium followed b...

Journal: :Geomechanics and Tunnelling 2019

Journal: :American Journal of Transplantation 2003

Journal: :jundishapur journal of microbiology 0
atousa aliahmadi department of biology, medicinal plants and drug research institute, shahid beheshti university, tehran, ir iran; department of biology, medicinal plants and drug research institute, shahid beheshti university, tehran, ir iran. tel/fax: +98-02122431783 fateme mirzajani department of biotechnology, faculty of renewable energies and new technologies engineering, shahid beheshti university, tehran, ir iran; department of nanobiotechnology, protein research institute, shahid beheshti university, tehran, ir iran alireza ghassempour department of phytochemistry, medicinal plants and drug research institute, shahid beheshti university, tehran, ir iran ali sonboli department of biology, medicinal plants and drug research institute, shahid beheshti university, tehran, ir iran

conclusions as a result of the full range uv-vis scanning of the responsible band in the hptlc experiments (200-700 nm), the flavonoid was the most imaginable natural compound. results through the bioassay guided fractionation method, the greatest antibacterial activities were related to the n-hexane extract. it was also revealed that the effective anti-mrsa agent of the assessed plant was a re...

2011
Li-Ming Zhao Lu-E Shi Zhi-Liang Zhang Jian-Min Chen Dong-Dong Shi Jie Yang Zhen-Xing Tang

Encapsulation and immobilization technology is important for the food processing and bioengineering industries. Chitosan is a natural polysaccharide prepared by the N-deacetylation of chitin. It has been widely used in food and bioengineering industries, including the encapsulation of active food ingredients, in enzyme immobilization, and as a carrier for controlled drug delivery, due to its si...

2014
Vladan Zivaljevic Katarina Tausanovic Ivan Paunovic Aleksandar Diklic Nevena Kalezic Goran Zoric Vera Sabljak Berislav Vekic Rastko Zivic Jelena Marinkovic Sandra Sipetic

Background. Anaplastic thyroid cancer (ATC) is one of the tumors with the shortest survival in human medicine. Aim. The aim was to determine the importance of age in survival of patients with ATC. Material and Methods. We analyzed the data on 150 patients diagnosed with ATC in the period from 1995 to 2006. The Kaplan-Meier method and log-rank test were used to determine overall survival. Progno...

2017
Qiu Ge Wei Peng Jian Zhang Xuchu Weng Yong Zhang Thomas Liu Yu-Feng Zang Ze Wang

Structural MRI (sMRI)-identified tissue "growth" after neuropsychological training has been reported in many studies but the origins of those apparent tissue changes (ATC) still remain elusive. One possible contributor to ATC is brain perfusion since T1-weighted MRI, the tool used to identify ATC, is sensitive to perfusion-change induced tissue T1 alterations. To test the hypothetical perfusion...

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