نتایج جستجو برای: dimethyl phosphate

تعداد نتایج: 129606  

Journal: :Applied microbiology 1974
R C Yao D P Hsieh

Dichlorvos (dimethyl 2,2-dichlorovinyl phosphate) inhibits the biosynthesis of aflatoxin by Aspergillus parasiticus. Cultures treated with dichlorvos excrete an orange pigment which can be converted into aflatoxin B(1) by the untreated mycelia. The orange pigment was partially identified as an acetyl derivative of versiconol-type compound. In the presence of dichlorvos, sterigmatocystin is conv...

2010
Syed Naeem Razzaq Islam Ullah Khan Onur Şahin Orhan Büyükgüngör

In the title compound, C(9)H(8)Cl(2)N(5) (+)·H(2)PO(4) (-)·C(9)H(11)NO [systematic name: 3,5-diamino-6-(2,3-dichloro-phen-yl)-1,2,4-triazin-2-ium dihydrogen phosphate-4-(dimethyl-amino)-benz-alde-hyde (1/1)], inter-molecular N-H⋯O and O-H⋯O hydrogen bonds produce R(2) (2)(8) and R(3) (2)(8) rings, generating a layer. Inter-molecular N-H⋯N inter-actions also occur. The dihedral angle between the...

Journal: :International journal of radiation applications and instrumentation. Part B, Nuclear medicine and biology 1992
K P Plotzke T Haradahira L Stancato N M Olken S Skinner M D Gross R L Wahl R E Counsell

We have designed and synthesized two radioiodinated analogs of hexadecylphosphocholine in order to evaluate their tumor imaging potential. 12-(m[125I]iodophenyl)dodecyl phosphocholine (NM-324) and hexadecyl-2-[N,N-dimethyl-N-(m[125I]iodobenzyl)-ammonium] ethyl phosphate (NM-326) demonstrated the ability of such compounds to localize in and thereby visualize the Walker 256 tumor in rats. However...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2002
Nathalie Auge Virginie Garcia Françoise Maupas-Schwalm Thierry Levade Robert Salvayre Anne Negre-Salvayre

OBJECTIVE Oxidized low-density lipoprotein (oxLDL)-induced smooth muscle cell (SMC) proliferation requires the coactivation of various signaling pathways, namely sphingomyelin/ceramide/sphingosine-1-phosphate, epithelial growth factor receptor (EGFR), and phosphoinositide 3-kinase (PI-3K) pathways. This study aimed to clarify the respective role and the hypothetical cross-talk between sphingomy...

Journal: :Acta crystallographica. Section C, Crystal structure communications 2011
Katarzyna Ślepokura Irmina Mitaszewska

The six-membered cyclic phosphate diester, 5,5-dimethoxy-2-hydroxy-1,3,2-dioxaphosphorinan-2-one, C(5)H(11)O(6)P or (MeO)(2)cDHAP, which is the dimethyl acetal of cyclic dihydroxyacetone phosphate (cDHAP), has been obtained in the form of two new cyclohexylammonium (cha) salts, cyclohexylammonium 5,5-dimethoxy-2-oxo-1,3,2-dioxaphosphorinan-2-olate monohydrate, (cha)[(MeO)(2)cDHAP]·H(2)O or C(6)...

ژورنال: مجله دندانپزشکی 2014
ترشابی, مریم , دهیان, هانیه نوجه , طباطبایی, فهیمه سادات ,

  Background and Aims: Until now, different types of scaffolds are presented for hard tissue engineering and the research continues to find the best scaffold. The aim of this study was to prepare scaffolds using two types of composite materials, ChitosanTriCalcium Phosphate (C/TCP) and ChitosanTriCalcium Phosphate/ Hydroxy apatite (C/TCP/ HA) and to add either 10% or 20% gelatin to compare thei...

2013
Wendy McKelvey J. Bryan Jacobson Daniel Kass Dana Boyd Barr Mark Davis Antonia M. Calafat Kenneth M. Aldous

BACKGROUND Organophosphates and pyrethroids are the most common classes of insecticides used in the United States. Widespread use of these compounds to control building infestations in New York City (NYC) may have caused higher exposure than in less-urban settings. OBJECTIVES The objectives of our study were to estimate pesticide exposure reference values for NYC and identify demographic and ...

Journal: :iranian journal of environmental technology 0
kobra sheikhi m.sc of soil science, university of yasouj ebrahim adhami associate professorof soil science, university of yasouj, iran reza naghiha assistant professor of microbiology,university of yasouj, iran hamidreza owliai associate professor of soil science, university of yasouj, iran

phosphorus solubilizing microorganisms are capable of transforming insoluble phosphorus (p) forms to soluble and bioavailable p. the aim of the present study was to isolate p solubilizing bacteria from forest soils around the rock phosphate (rp) mine of koh-e-sepidlar in kohgiluyeh and boyer ahmad province and evaluate their ability in sperber culture medium and wheat straw medium in the presen...

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