نتایج جستجو برای: gc ecd

تعداد نتایج: 38389  

Journal: :Urban Water Journal 2021

This study was conducted to evaluate the quality of drinking water in 28 homes Merida and 7 municipalities its Metropolitan Zone, Yucatan, Mexico. The organochlorine pesticides (OCP) were investigated since it represents important health risks. karst groundwater Yucatan is vulnerable due easy infiltration contaminants. use prohibited OCP agriculture livestock production as well minimal infrastr...

Journal: :Molecular & Cellular Proteomics : MCP 2009
Steve M. M. Sweet Christopher M. Bailey Debbie L. Cunningham John K. Heath Helen J. Cooper

We used on-line electron capture dissociation (ECD) for the large scale identification and localization of sites of phosphorylation. Each FT-ICR ECD event was paired with a linear ion trap collision-induced dissociation (CID) event, allowing a direct comparison of the relative merits of ECD and CID for phosphopeptide identification and site localization. Linear ion trap CID was shown to be most...

Journal: :Brazilian Journal of Biology 2023

Abstract Honey is a suitable matrix for the evaluation of environmental contaminants including organochlorine insecticides. The present study was conducted to evaluate residues fifteen insecticides in honey samples unifloral and multifloral origins from Dir, Pakistan. (5 g each) were extracted with GC grade organic solvents then subjected Rotary Evaporator till dryness. extracts mixed n-Hexane ...

2011
Ming-Yu Chao Kung-Tien Liu Yi-Chih Hsia Mei-Hsiu Liao Lie-Hang Shen

Technetium-99m ethyl cysteinate dimer (Tc-99m-ECD) is an essential imaging agent used in evaluating the regional cerebral blood flow in patients with cerebrovascular diseases. Determination of active pharmaceutical ingredient, that is, L-Cysteine, N, N'-1,2-ethanediylbis-, diethyl ester, dihydrochloride (ECD) in ECD Kit is a relevant requirement for the pharmaceutical quality control in process...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2006
Jae-Woo Park A M Abd El-Aty Myoung-Heon Lee Sung-Ok Song Jae-Han Shim

A multiresidue method for the simultaneous determination of 22 organochlorine (OCs) and organophosphorus (Ops) pesticides (including isomers and metabolites), representing a wide range of physicochemical properties, was developed in fatty matrices extracted from meat. Pesticides were extracted from samples with acetonitrile/n-hexane (v:v, 1:1). The analytical screening was performed by gas chro...

Journal: :JAMA 2005
Robert M Merion Valarie B Ashby Robert A Wolfe Dale A Distant Tempie E Hulbert-Shearon Robert A Metzger Akinlolu O Ojo Friedrich K Port

CONTEXT Transplantation using kidneys from deceased donors who meet the expanded criteria donor (ECD) definition (age > or =60 years or 50 to 59 years with at least 2 of the following: history of hypertension, serum creatinine level >1.5 mg/dL [132.6 micromol/L], and cerebrovascular cause of death) is associated with 70% higher risk of graft failure compared with non-ECD transplants. However, i...

Journal: :Clinical chemistry 2003
Walter P Carney Rainer Neumann Allan Lipton Kim Leitzel Suhail Ali Christopher P Price

BACKGROUND The HER-2/neu oncogene and its p185 receptor protein are indicators of a more aggressive form of breast cancer. HER-2/neu status guides Herceptin therapy, specifically directed to the extracellular domain (ECD) of the HER-2/neu oncoprotein. The HER-2/neu ECD is shed from cancer cells into the circulation and is measurable by immunoassay. METHODS We performed a systematic review of ...

2013
Athanasios Niarchos Marios Zouridakis Vassilis Douris Assimina Georgostathi Dimitra Kalamida Alexandros Sotiriadis Konstantinos Poulas Kostas Iatrou Socrates J. Tzartos

We describe the expression of the extracellular domain of the human α1 nicotinic acetylcholine receptor (nAChR) in lepidopteran insect cells (i-α1-ECD) and its suitability for use in antigen-specific therapies for Myasthenia Gravis (MG). Compared to the previously expressed protein in P. pastoris (y-α1-ECD), i-α1-ECD had a 2-fold increased expression yield, bound anti-nAChR monoclonal antibodie...

2014
Ann-Katrin Claudius Patrizia Romani Tobias Lamkemeyer Marek Jindra Mirka Uhlirova

The steroid hormone ecdysone coordinates insect growth and development, directing the major postembryonic transition of forms, metamorphosis. The steroid-deficient ecdysoneless1 (ecd1) strain of Drosophila melanogaster has long served to assess the impact of ecdysone on gene regulation, morphogenesis, or reproduction. However, ecd also exerts cell-autonomous effects independently of the hormone...

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