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33553

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The far-infrared spectra of metal-halide complexes of pyridine and related ligands.
Clark RJH and Williams CS.
Inorganic Chemistry, 4(3), 350-357 (1965)
Joanna Kałużna-Czaplińska et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 966, 70-76 (2014-02-26)
There is a need to identify metabolic phenotypes in autism as they might each require unique approaches to prevention. Biological markers can help define autism subtypes and reveal potential therapeutic targets. The aim of the study was to identify alterations...
Shigeo Hayashi et al.
Journal of enzyme inhibition and medicinal chemistry, 29(6), 846-867 (2014-02-13)
Because of the pivotal role of cyclooxygenase (COX) in the inflammatory processes, non-steroidal anti-inflammatory drugs (NSAIDs) that suppress COX activities have been used clinically for the treatment of inflammatory diseases/syndromes; however, traditional NSAIDs exhibit serious side-effects such as gastrointestinal damage...
Makiko Yasuda et al.
Molecular medicine (Cambridge, Mass.), 21, 487-495 (2015-06-11)
Acute intermittent porphyria (AIP) is an autosomal-dominant hepatic disorder caused by the half-normal activity of hydroxymethylbilane (HMB) synthase. Symptomatic individuals experience life-threatening acute neurovisceral attacks that are precipitated by factors that induce the hepatic expression of 5-aminolevulinic acid synthase 1...
R A Pandey et al.
Bioresource technology, 98(12), 2258-2267 (2006-07-04)
Industrial waste gas emissions containing pyridine are generated from pyridine manufacturing industries, and in industrial operations where pyridine is used as a solvent, as an intermediate for synthesis and as a catalyst for a variety of applications. Pyridine has unpleasant...
Jacky Pouessel et al.
Dalton transactions (Cambridge, England : 2003), 42(14), 4859-4872 (2013-02-02)
The synthesis of a new linear bis-tetraamine ligand L1, based on two 1,4,8,11-tetraazaundecane units grafted at the 2 and 6 positions of a pyridinyl linker substituted by an anthracenyl fluorophore in the para position, is described and anion complexation studies...
Jipan Yu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(13), 4271-4277 (2013-02-13)
Efficient copper-catalyzed aerobic oxidative C-H and C-C functionalization of 1-[2-(arylamino)aryl]ethanones leading to acridones has been developed. The procedure involves cleavage of aromatic C-H and acetyl C-C bonds with intramolecular formation of a diarylketone bond. The protocol uses inexpensive Cu(O2CCF3)2 as...
T Shimada et al.
Cancer research, 51(19), 5284-5291 (1991-10-01)
The ability of cigarette smoke condensate to induce a genotoxic response has been measured in liver microsomal and reconstituted monooxygenase systems containing rat and human cytochrome P-450 (P-450) enzymes, as determined by umu gene expression in Salmonella typhimurium TA1535/pSK1002. The...
Ogbole Omonike Oluyemisi et al.
Pharmaceutical biology, 53(6), 882-887 (2014-11-29)
Plants of the Zephyranthes genus are globally used in folk medicine. In a previous study, Zephyranthes candida Linn. (Amaryllidaceae) was identified as having antiviral properties; this led to anti-poliovirus assay-guided isolation of compounds from crude methanol extract of the plant....
Flavia Badoud et al.
Journal of proteome research, 13(7), 3455-3466 (2014-06-17)
A subgroup of obese individuals, referred to as metabolically healthy obese (MHO), have preserved insulin sensitivity and a normal lipid profile despite being obese. The molecular basis for this improved cardiometabolic profile remains unclear. Our objective was to integrate metabolite...
M J Egorin et al.
Clinical pharmacology and therapeutics, 32(1), 122-128 (1982-07-01)
Ten patients with brain tumors and indwelling ventricular reservoirs were pretreated with 5% to 10% dimethyl sulfoxide (DMSO) (intravenous, oral, or both) and were then treated with 1.0 to 1.25 gm/m2 cyclophosphamide (CYC). All patients were also on anticonvulsants and...
R M Toledano et al.
Journal of chromatography. A, 1370, 171-178 (2014-12-03)
Boldenone (Bo), androsta-1,4-dien-17β-ol-3-one, is an anabolic androgenic steroid not clinically approved for human application. Despite this, many cases are reported every year of athletes testing positive for Bo or its main metabolite 5β-androst-1-en-17β-ol-3-one (BoM). Recently the capability of different human...
Veronika Sele et al.
Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS), 30, 171-179 (2015-01-27)
In the present study liver samples (n=26) of Northeast Arctic cod (Gadus morhua), ranging in total arsenic concentrations from 2.1 to 240mg/kg liver wet weight (ww), were analysed for their content of total arsenic and arsenic species in the lipid-soluble...
V Divya et al.
Dalton transactions (Cambridge, England : 2003), 42(34), 12317-12323 (2013-07-16)
Our recently developed Eu(3+) coordination compound, Eu(pfppd)3(tpy) [where Hpfppd = 4,4,5,5,5-pentafluoro-3-hydroxy-1-(phenanthren-3-yl)pentanedione and tpy = 2,2':6,6''-terpyridine] exhibits significant quantum yield (Φoverall = 41%) and long (5)D0 lifetime (880 μs) values under biologically relevant pH conditions (pH = 7.4) when excited with...
Rebeca Y Cabrera-Padilla et al.
Bioprocess and biosystems engineering, 38(5), 805-814 (2014-11-14)
Candida rugosa lipase (CRL) was immobilized on an eco-friendly support poly(3-hydroxybutyrate-co-hydroxyvalerate) (PHBV), by physical adsorption, using different ionic liquids (ILs) as immobilization additives. This was to investigate the influence of cationic core ([C4mpy]Cl, [C4min]Cl), of anions ([C4min]Cl, [C4min]N(CN)2, [C4min]Tf2N), and...
V Subbaramaiah et al.
Journal of hazardous materials, 248-249, 355-363 (2013-02-19)
Cerium supported SBA-15 (Ce/SBA-15) was synthesized by two-step synthesis method in acidic medium. It was further characterized by various characterization techniques such as X-ray diffraction, field-emission scanning electron microscopy, Fourier transform infrared spectroscopy and N2 adsorption-desorption pore size distribution analysis....
Saet Buyl Lee et al.
Plant & cell physiology, 56(1), 48-60 (2014-10-13)
The aerial parts of all land plants are covered with hydrophobic cuticular wax layers that act as the first barrier against the environment. The MYB94 transcription factor gene is expressed in abundance in aerial organs and shows a higher expression...
Tiziana Pacchiarotta et al.
The Analyst, 140(8), 2834-2841 (2015-03-03)
Urinary tract infection (UTI) is among the most common bacterial infections worldwide. The understanding of the physiological mechanisms affected by UTI may need modern integrative '-omics' technologies, and metabolomics in particular. Here we present the first GC-APCI-MS-based explorative metabolomics study...
Ye Wei et al.
Journal of the American Chemical Society, 135(10), 3756-3759 (2013-02-27)
We describe here a [3+3]-type condensation reaction of O-acetyl ketoximes and α,β-unsaturated aldehydes that is synergistically catalyzed by a copper(I) salt and a secondary ammonium salt (or amine). This redox-neutral reaction allows modular synthesis of a variety of substituted pyridines...
Daniel Sieh et al.
Journal of the American Chemical Society, 135(10), 3971-3982 (2013-02-26)
Si-H activation in triethyl- and triarylsilanes by a square-planar pyridine-diimine iridium complex with a terminal nitrido unit leads to the corresponding silyl amido complexes, which were unambiguously characterized by X-ray crystallography. Based on detailed combined kinetic and theoretical studies (DFT)...
Martine Cao et al.
Pharmacological research, 100, 135-147 (2015-08-05)
Two new analogues of CDDO-Imidazolide (CDDO-Im), namely 1-[2-Cyano-3,12-dioxooleana-1,9(11)-dien-28-oyl]-4(-pyridin-2-yl)-1H-imidazole ("CDDO-2P-Im") and 1-[2-Cyano-3,12-dioxooleana-1,9(11)-dien-28-oyl]-4(-pyridin-3-yl)-1H-imidazole ("CDDO-3P-Im") have been synthesized and tested for their potential use as chemopreventive drugs. At nanomolar concentrations, they were equipotent to CDDO-Im for inducing differentiation and apoptosis in U937 leukemia...
W B White et al.
European journal of clinical pharmacology, 36(5), 531-534 (1989-01-01)
To assess the disposition of the dihydropyridine calcium antagonist, nitrendipine, in lactating mothers, we studied three breast-feeding women to determine simultaneous plasma and breast milk concentrations of nitrendipine and its inactive pyridine analog metabolite after both a single 10 mg...
Zhiyong Nie et al.
Analytical and bioanalytical chemistry, 406(21), 5203-5212 (2014-06-14)
A highly sensitive method for the determination of sulfur mustard (SM) metabolites thiodiglycol (TDG) and thiodiglycol sulfoxide (TDGO) in urine was established and validated using isotope-dilution negative-ion chemical ionization (NICI) gas chromatography-mass spectrometry (GC-MS). TDGO in the samples was reduced...
Libing Zhang et al.
Biotechnology for biofuels, 8, 203-203 (2015-12-18)
Flowthrough pretreatment of biomass is a critical step in lignin valorization via conversion of lignin derivatives to high-value products, a function vital to the economic efficiency of biorefinery plants. Comprehensive understanding of lignin behaviors and solubilization chemistry in aqueous pretreatment...
Tian Xia et al.
Applied and environmental microbiology, 81(10), 3387-3394 (2015-03-10)
Escherichia coli that is unable to metabolize d-glucose (with knockouts in ptsG, manZ, and glk) accumulates a small amount of d-glucose (yield of about 0.01 g/g) during growth on the pentoses d-xylose or l-arabinose as a sole carbon source. Additional...
A Iparraguirre et al.
Journal of chromatography. A, 1360, 57-65 (2014-08-19)
In the present work, a novel analytical method for the simultaneous determination of ten polybrominated diphenyl ethers (PBDEs), eight methoxylated PBDEs (MeO-PBDEs) and seven hydroxylated PBDEs (OH-PBDEs) in soil, lettuce and carrot samples was developed. The procedure was based on...
Ursula J Williams et al.
Dalton transactions (Cambridge, England : 2003), 43(43), 16197-16206 (2014-08-26)
The trivalent compound K[Ce[N(SiHMe2)2]4] was synthesized and oxidized, providing a convenient route to the reported cerium(IV) compound Ce[N(SiHMe2)2]4. Protonolysis reactions of Ce[N(SiHMe2)2]4 with tert-butanol, substituted benzyl alcohols, and 2,6-diphenylphenol yielded the neutral tetravalent compounds Ce(O(t)Bu)4(py)2, Ce2(OCH2C6R5)8(thf)2 (R = Me, F)...
Sabine Kokarnig et al.
Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS), 29, 83-90 (2014-07-27)
Selenium metabolic patterns in the human body originating from five distinct selenium dietary sources, selenate, selenite, selenomethionine (SeMet), methylselenocysteine (MeSeCys) and selenized yeast, were investigated by performing concurrent HPLC-mass spectrometric analysis of human serum and urine. Total selenium and selenium...
Wim Ammerlaan et al.
Biopreservation and biobanking, 12(5), 351-357 (2014-10-08)
Formal validation of methods for biospecimen processing in the context of accreditation in laboratories and biobanks is lacking. A protocol for processing of a biospecimen (urine) was validated for fitness-for-purpose in terms of key downstream endpoints. Urine processing was optimized...
Pyridine.
IARC monographs on the evaluation of carcinogenic risks to humans, 77, 503-528 (2000-12-02)
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