نتایج جستجو برای: methanol

تعداد نتایج: 30713  

2012
Yuri L. Dorokhov Tatiana V. Komarova Igor V. Petrunia Vyacheslav S. Kosorukov Roman A. Zinovkin Anastasia V. Shindyapina Olga Y. Frolova Yuri Y. Gleba

Recently, we demonstrated that leaf wounding results in the synthesis of pectin methylesterase (PME), which causes the plant to release methanol into the air. Methanol emitted by a wounded plant increases the accumulation of methanol-inducible gene mRNA and enhances antibacterial resistance as well as cell-to-cell communication, which facilitates virus spreading in neighboring plants. We conclu...

2017
Martin Setvin Xiao Shi Jan Hulva Thomas Simschitz Gareth S. Parkinson Michael Schmid Cristiana Di Valentin Annabella Selloni Ulrike Diebold

The photoactivity of methanol adsorbed on the anatase TiO2 (101) surface was studied by a combination of scanning tunneling microscopy (STM), temperature-programmed desorption (TPD), X-ray photoemission spectroscopy (XPS), and density functional theory (DFT) calculations. Isolated methanol molecules adsorbed at the anatase (101) surface show a negligible photoactivity. Two ways of methanol acti...

Journal: :Journal of the Fuel Society of Japan 1980

2015
G. Wohlfahrt C. Amelynck C. Ammann A. Arneth I. Bamberger A. H. Goldstein L. Gu A. Guenther A. Hansel B. Heinesch T. Holst L. Hörtnagl T. Karl Q. Laffineur A. Neftel K. McKinney J. W. Munger S. G. Pallardy G. W. Schade R. Seco N. Schoon

Methanol is the second most abundant volatile organic compound in the troposphere and plays a significant role in atmospheric chemistry. While there is consensus about the dominant role of living plants as the major source and the reaction with OH as the major sink of methanol, global methanol budgets diverge considerably in terms of source/sink estimates reflecting uncertainties in the approac...

Journal: :Environmental Health Perspectives 1995
R A Perkins K W Ward G M Pollack

We estimated kinetic parameters associated with methanol disposition in humans from data reported in the literature. Michaelis-Menten elimination parameters (Vmax = 115 mg/L/hr; Km = 460 mg/L) were selected for input into a semi-physiologic pharmacokinetic model. We used reported literature values for blood or urine methanol concentrations in humans and nonhuman primates after methanol inhalati...

1998
Vassil Boiadjiev W. T. Tysoe

Infrared spectroscopy is used to follow the chemical changes, as a function of temperature, after sequentially adsorbing trimethylaluminum (TMA) and methanol on hydroxylated alumina. Deuterium-labeled methanol is used to distinguish between the chemistry of methyl and methoxy species. To differentiate between methanol adsorbed on TMA-derived sites and on alumina, the adsorption of methanol is s...

Journal: :Biotechnology and bioengineering 2000
W Zhang M A Bevins B A Plantz L A Smith M M Meagher

An unstructured growth model for the recombinant methylotrophic yeast P. pastoris Mut(+) expressing the heavy-chain fragment C of botulinum neurotoxin serotype A [BoNT/A(H(c))], was successfully established in quasi-steady state fed-batch fermentations with varying cell densities. The model describes the relationships between specific growth rate and methanol concentration, and the relationship...

Journal: :asia pacific journal of medical toxicology 0
reza afshari addiction research centre, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

epidemics of methanol poisoning happen across the globe. there are prognostic factors associated with morbidity or mortality from methanol poisoning. recently we have compared retrospective observational case series of methanol-poisoned patients from norway (1979 and 2002-2005), estonia (2001) and tunisia (2003/2004), and patients from two different centers in iran (teheran 2004-2009 and mashha...

Journal: :iranian red crescent medical journal 0
hatice dogan department of emergency medicine, bagcilar research and training hospital, istanbul, turkey; department of emergency medicine, bagcilar research and training hospital, istanbul, turkey. tel: +90-2124404000, fax: +90-2124404242 banu yilmaz karakus department of emergency medicine, bagcilar research and training hospital, istanbul, turkey kubra serefoglu cabuk department of ophthalmology, bagcilar research and training hospital, istanbul, turkey ozlem uzun department of emergency medicine, bagcilar research and training hospital, istanbul, turkey huseyin yenice department of emergency medicine, bagcilar research and training hospital, istanbul, turkey aysun orucoglu department of emergency medicine, bagcilar research and training hospital, istanbul, turkey

introduction methanol is a highly toxic substance and methanol poisoning results in severe health situations. methanol poisoning occurs when it is consumed by various methods such as orally, by inhalation, and transdermally. transdermal poisoning is rarely seen and causes severe health complications. conclusions methanol poisoning presents to the emergency department in our country with many di...

Journal: :Research report 1999
T Burbacher D Shen K Grant L Sheppard D Damian S Ellis N Liberato

INTRODUCTION In an effort to improve air quality and decrease dependence on petroleum, the federal government, industry, and other groups have encouraged development of alternative fuels such as methanol to substitute for gasoline or diesel fuel. Methanol is also a candidate to provide the hydrogen for fuel cells, which are being developed for a variety of power sources (including motor vehicle...

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