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296856
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G Arivazhagan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 81(1), 172-177 (2011-07-08)
FTIR and 13C NMR spectral studies have been carried out on diisopropyl ether-propionic acid binary mixture to probe the molecular interactions and stoichiometry of complexation. Density functional theory (DFT) calculations of vibrational frequencies of pure acid and ether-acid binary mixtures
Unimolecular metastable decompositions of 1,1,1-trifluoroisopropyl methyl ether [CF3(CH3)CHOCH3] upon electron ionization.
Susumu Tajima et al.
Rapid communications in mass spectrometry : RCM, 17(5), 503-506 (2003-02-19)
Yu Zhao et al.
Molecular diversity, 16(4), 711-725 (2012-11-01)
In searching for environmentally benign insecticides with high activity, low toxicity and low residue, two series of novel anthranilic diamide containing methyl ether and isopropyl ether group were designed and synthesized. All of the compounds were characterized by (1)H NMR
Fiorella Belpoggi et al.
Annals of the New York Academy of Sciences, 982, 70-86 (2003-02-04)
Tert-amyl-methyl ether (TAME) was administered by gavage in extra virgin olive oil solution at concentrations of 750, 250, or 0 mg/kg bw to groups of 100 male and 100 female Sprague-Dawley rats 8 weeks old at the start of the
Barun Mahata et al.
PloS one, 10(7), e0134425-e0134425 (2015-08-01)
Previously we demonstrated that human glioblastoma cell lines induce apoptosis in peripheral blood T cells through partial involvement of secreted gangliosides. Here we show that GBM-derived gangliosides induce apoptosis through involvement of the TNF receptor and activation of the caspase
Atmospheric chemistry of automotive fuel additives: diisopropyl ether.
Wallington TJ, et al.
Environmental Science & Technology, 27(1), 98-104 (1993)
Bernhard Watzer et al.
International journal of legal medicine, 129(4), 759-769 (2014-12-20)
Arthrotec(®) (AT) is a combination of diclofenac, a nonsteroidal anti-inflammatory drug (NSAID), and misoprostol (MP), a synthetic analogue of prostaglandin E1 (PGE1). MP is a lipophilic methyl ester prodrug. It is readily metabolized to the biologically active misoprostol acid (MPA).
Purification and analysis of gangliosides.
S Ladisch et al.
Methods in enzymology, 312, 135-145 (2000-11-09)
Predicting the behaviour of lipases in low-water media.
P J Halling
Biochemical Society transactions, 25(1), 170-174 (1997-02-01)
Mònica Rosell et al.
Journal of chromatography. A, 1132(1-2), 28-38 (2006-08-15)
A new protocol for the simultaneous determination of methyl tert-butyl ether (MTBE); its main degradation products: tert-butyl alcohol (TBA) and tert-butyl formate (TBF); other gasoline additives, oxygenate dialkyl ethers: ethyl tert-butyl ether (ETBE), tert-amyl methyl ether (TAME) and diisopropyl ether
Emmie N M Ho et al.
Drug testing and analysis, 7(5), 414-419 (2014-06-04)
Testosterone is an endogenous steroid produced primarily in the testes. Trace levels of testosterone are found in urine samples from geldings, as testosterone is also secreted by the adrenal. An international threshold of free and conjugated testosterone in urine (20 ng/mL)
Catalytic osmium tetroxide oxidation of olefins: cis-1,2-cyclohexanediol
VanRheenen V, et al.
Organic Syntheses, 58, 43-43 (1978)
I Linhart et al.
Toxicology and applied pharmacology, 136(1), 155-160 (1996-01-01)
Biotransformation of acrolein (ACR) was studied in vivo in the rat following inhalation and ip administration. The major and minor urinary metabolites were 3-hydroxypropylmercapturic acid (HPMA) and 2-carboxyethylmercapturic acid (CEMA), respectively. Male Wistar rats were exposed to ACR, 23, 42
Abdulrhman A Al-Majed et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 989, 104-111 (2015-03-31)
A highly selective, sensitive, and rapid microemulsion liquid chromatography (MELC) method was developed and validated for the simultaneous determination of a novel type of dopamine receptor antagonist LE300 and its N-methyl metabolite in mouse sera. LE300, its N-methyl metabolite, and
Soile Ae Pakkanen et al.
Veterinary anaesthesia and analgesia, 42(5), 527-536 (2014-12-23)
To investigate MK-467 as part of premedication in horses anaesthetized with isoflurane. Experimental, crossover study with a 14 day wash-out period. Seven healthy horses. The horses received either detomidine (20 μg kg(-1) IV) and butorphanol (20 μg kg(-1) IV) alone (DET) or with MK-467 (200 μg kg(-1)
Hans Peter H Arp et al.
Environmental science & technology, 38(20), 5405-5412 (2004-11-17)
The gasoline oxygenate methyl tert-butyl ether (MTBE) has become one of the world's mostwidespread groundwater and surface water contaminants. As a result, there has been increasing interest in the environmental behavior of MTBE and its degradation products, mainly tert-butyl formate
2-Acetyl-1,3-cyclopentanedione
Merenyi F and Nilsson M
Organic Syntheses, 52, 1-1 (1972)
Mitja Križman et al.
Journal of chromatography. A, 1405, 149-155 (2015-06-24)
The recently developed comprehensive TLC×GC technique using headspace sampling is presented. The main advantage of this approach, as demonstrated in lipid analysis, is the possibility to include a transesterification step of glycerides into fatty acid methyl ester derivatives (FAME) because
Wen-Zhen Zhu et al.
International journal of pharmaceutics, 395(1-2), 260-265 (2010-05-25)
This article presents the preparation of nanoparticles of amorphous cefuroxime axetil (CFA) in a microporous tube-in-tube microchannel reactor (MTMCR). The experimental results indicated that CFA particle with a tunable size of 400-1400 nm could be achieved under a high throughput
Ali N Saleemi et al.
International journal of pharmaceutics, 430(1-2), 56-64 (2012-03-28)
Pharmaceutical regulatory bodies require minimal presence of solvent in an active pharmaceutical ingredient (API) after crystallization. From a processing point of view bigger crystals with minimal agglomeration and uniform size distribution are preferred to avoid solvent inclusion and for improved
Guenther Kufner et al.
Clinical chemistry and laboratory medicine, 43(2), 183-191 (2005-04-22)
An increased concentration of erythrocyte protoporphyrin-IX in whole blood or erythrocytes is a valuable diagnostic indicator for acquired porphyrias, e.g., iron deficiency anemia and lead poisoning, and for inherited porphyrias. We developed a spectrophotometric micromethod for determining erythrocyte protoporphyrin-IX. In
Tien-Yuan Wu et al.
Journal of pharmacokinetics and pharmacodynamics, 42(4), 401-408 (2015-07-04)
3,3'-Diindolylmethane (DIM) has been investigated as a potential anti-cancer chemopreventive agent in many preclinical and clinical studies. In this study, we sought to characterize the pharmacokinetics of DIM and to build a pharmacokinetic (PK) and pharmacodynamic (PD) model of the
Luis G Cascão Pereira et al.
Biotechnology and bioengineering, 78(6), 595-605 (2002-05-07)
A kinetic framework is developed to describe enzyme activity and stability in two-phase liquid-liquid systems. In particular, the model is applied to the enzymatic production of benzaldehyde from mandelonitrile by Prunus amygdalus hydroxynitrile lyase (pa-Hnl) adsorbed at the diisopropyl ether
G Flesch et al.
Journal of chromatography. B, Biomedical applications, 657(1), 155-161 (1994-07-01)
A specific and sensitive liquid chromatographic assay for CGP 53,437 (I), a potent HIV protease inhibitor, is described. The method is based on a deproteinization step, followed by a liquid-liquid extraction with diisopropyl ether. Then a deprotection step of the
A Hickel et al.
Biotechnology and bioengineering, 65(4), 425-436 (1999-10-03)
A novel recycle reactor has been designed to determine the interfacial activity of hydroxynitrile lyase in a diisopropyl ether (DIPE)/water two-phase system. The reactor provides a known interfacial area. Enzyme activity toward mandelonitrile cleavage is continuously measured in the reactor
Wai Him Kwok et al.
The Journal of steroid biochemistry and molecular biology, 152, 142-154 (2015-06-03)
Androsta-1,4,6-triene-3,17-dione (ATD) is an irreversible steroidal aromatase inhibitor and is marketed as a supplement. It has been reported to effectively reduce estrogen biosynthesis and significantly increase the levels of endogenous steroids such as dihydrotestosterone and testosterone in human. ATD abuses
Dar Fu Tai et al.
FEBS letters, 517(1-3), 24-26 (2002-06-14)
The catalytic mechanism of arylamine N-acetyltransferase has been proposed to involve Cys-His-Asp as its catalytic triad. Thiolsubtilisin, a chemically modified enzyme that has a catalytic triad of Cys-His-Asp at the active site, mimics the catalysis of arylamine N-acetyltransferase, serotonin N-acetyltransferase
G Arivazhagan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 105, 102-108 (2013-01-09)
The results of FTIR spectral measurement on equimolar diisopropyl ether-butyric acid binary mixture and quantum chemical calculations on the complex molecule have been presented. Dielectric studies have been carried out on the binary mixture over the entire composition range and
R van Gijn et al.
Journal of chromatography. B, Biomedical applications, 667(2), 269-276 (1995-05-19)
The staurosporine derivative, N-benzoylstaurosporine (CGP 41 251; I), is a protein kinase C inhibitor that has been selected for phase I clinical evaluation in cancer patients. We have developed a selective and sensitive assay of the drug and three potential
R Gonzalez-Olmos et al.
Chemosphere, 71(11), 2098-2105 (2008-02-27)
Methyl tert-butyl ether (MTBE) is the most widely used oxygenate in gasoline blending and has become one of the world's most widespread groundwater and surface water pollutants. Alternative oxygenates to MTBE, namely ethyl tert-butyl ether (ETBE), tert-amyl ether (TAME) and
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