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Showing 1-30 of 45 results for "D210404" within Papers
Cluster ion formation between 2,5-diphenyl-1,3,4-oxa(thia)diazole and alkali earth metal cations studied by electrospray ionization mass spectrometry.
Rafał Frański et al.
Rapid communications in mass spectrometry : RCM, 20(2), 317-320 (2005-12-15)
Hande Baltacıoğlu et al.
Food chemistry, 187, 263-269 (2015-05-16)
In order to understand the conformational changes of polyphenol oxidase (PPO), which is a food quality related enzyme, after thermal treatment, secondary structure changes of the enzyme were analyzed by using Fourier Transform Infrared (FTIR) spectroscopy and compared with the
Fikadu G Tafesse et al.
PLoS pathogens, 11(10), e1005188-e1005188 (2015-10-03)
The ability of phagocytes to clear pathogens is an essential attribute of the innate immune response. The role of signaling lipid molecules such as phosphoinositides is well established, but the role of membrane sphingolipids in phagocytosis is largely unknown. Using
Neha Singla et al.
Journal of neuroscience research, 93(9), 1434-1441 (2015-04-25)
Aluminium (Al) is one of the most prominent metals in the environment and is responsible for causing several neurological disorders, including Alzheimer's disease. On the other hand, zinc (Zn) is an essential micronutrient that is involved in regulating brain development
Marilita M Moschos et al.
Cutaneous and ocular toxicology, 33(3), 235-241 (2013-10-24)
The purpose of our study was to investigate for the first time a series of vitamin supplements used for age-related macular degeneration (AMD) as potential inhibitors of platelet-activating factor (PAF). Various vitamin supplements were tested in washed rabbit platelets (WRPs)
Synthesis and optical properties of highly luminescent phenyloxazole silane polymer.
Skorotetcky MS.
Mendeleev Communications, 27(4), 377-379 (2017)
E Mutch et al.
Xenobiotica; the fate of foreign compounds in biological systems, 15(7), 599-603 (1985-07-01)
2,5-Diphenyloxazole (PPO) is metabolized to one major fluorescent product by human liver and rat liver microsomes. PPO metabolism by human-liver microsomes involves more than one cytochrome P-450 isozyme, termed low-affinity and high-affinity components. At a substrate concentration of 0.1 microM
Peng Liu et al.
Pharmaceutical research, 32(2), 628-639 (2014-08-26)
The lack of effective screening methods and systemic understanding of interaction mechanisms complicates the stabilizer selection process for nanocrystallization. This study focuses on the efficiency of stabilizers with various molecular compositions and structures to stabilize drug nanocrystals. Five structurally different
Emilee R Wilhelm-Leen et al.
American journal of kidney diseases : the official journal of the National Kidney Foundation, 66(1), 69-74 (2015-02-01)
Epoetin alfa (EPO) and darbepoetin alfa (DPO) are erythropoiesis-stimulating agents that are widely and interchangeably used for the treatment of anemia in patients with advanced chronic kidney disease and end-stage renal disease. No study has specifically compared the risks of
E Koivunen et al.
Journal of animal science, 93(9), 4408-4423 (2015-10-07)
Forage type and management influences the nutritional quality and fatty acid composition of ruminant milk. Replacing grass silage with red clover (RC; L.) silage increases milk fat 18:3-3 concentration. Red clover has a higher polyphenol oxidase (PPO) activity compared with
T Nishimaki et al.
The Journal of veterinary medical science, 60(7), 795-797 (1998-08-26)
It is desirable to shorten expose time in 3H-autoradiography. We developed a new solid scintillator, a mixture of DPO, POPOP and Epon 812, for whole-body autoradiography. The new scintillator is originally in a sol form, but quickly transforms to a
J T Ahokas et al.
Pharmacology & toxicology, 61(3), 184-190 (1987-09-01)
The oxidative metabolism of 2,5-diphenyloxazole (PPO) is associated with 3-methylcholanthrene inducible cytochrome P-450. The major metabolite formed has m/z of 237, corresponding to hydroxylated PPO. All the possible hydroxylated metabolites of PPO were synthesized and characterized, enabling the assignment of
L N Shishkina et al.
Radiatsionnaia biologiia, radioecologiia, 45(5), 610-615 (2005-11-25)
The ability of 2,5-diphenyloxazole (DPO) to modify biological consequences of the X-rays irradiation of mice was studied with a dose of 16 cGy at the administration of the agent in a wide range of concentrations before or after irradiation was
F M Williams et al.
British journal of clinical pharmacology, 22(3), 263-268 (1986-09-01)
As a substrate for human liver microsomes, ethoxyresorufin appears to be metabolised by a group of cytochrome P450 isoenzymes which are inducible by cigarette smoking. Kinetic studies in microsomes from four human livers indicate that only one enzyme component is
Gianluca Ambrosi et al.
Inorganic chemistry, 49(21), 9940-9948 (2010-09-30)
The coordination properties and photochemical responses of three fluorescent polyamine macrocycles, 9,12,15,24,25-pentaaza-26-oxatetracyclo[21.2.1.0(2,7).0(17,22)]hexaicosa-2,4,6,17,19,21,23,25(1)-octaene (L1), 9,12,15,18,27,28-hexaaza-29-oxatetracyclo[24.2.1.0(2,7).0(20,25)]enneicosa-2,4,6,20,22,24,26,28(1)-octaene (L2), and 9,12,15,18,21,30,31-heptaaza-32-oxatetracyclo[27.2.1.0(2,7).0(23,28)]diatriconta-2,4,6,23,25,27,29,31(1)-octaene (L3), toward Cu(II), Zn(II), Cd(II), and Pb(II) are reported. Each ligand contains the 2,5-diphenyl[1,3,4]oxadiazole (PPD) moiety inserted in a polyamine macrocycle skeleton. The
Y Homma et al.
International journal of radiation applications and instrumentation. Part A, Applied radiation and isotopes, 38(2), 91-96 (1987-01-01)
The pulse-height distributions for 241Am and 131mXe in PPO solutions of the aromatic hydrocarbons, i.e. benzene, o-xylene, m-xylene, ethylbenzene and cumene are found to shift toward higher pulse-heights with decreasing temperature. Under u.v. excitation, the fluorescence intensity of these pure
Ettore Varricchio et al.
Microscopy research and technique, 78(8), 707-714 (2015-06-23)
In this study, we report the distribution of orexin A (OXA), orexin B (OXB), and orexin receptor (OX2R) immunoreactive (ir) cells in the hypothalamus and gastrointestinal tract of Oncorhynchus mykiss fed diets with different dietary fatty acid compositions. Trout were
Gianluca Ambrosi et al.
Organic & biomolecular chemistry, 8(6), 1471-1478 (2010-03-06)
Synthesis and acid-base properties for three fluorescent polyamine macrocycles 9,12,15,24,25-pentaaza-26-oxatetracyclo[21.2.1.0(2,7).0(17,22)]hexaicosa-2,4,6,17,19,21,23,25(1)-octaene (L1), 9,12,15,18,27,28-hexaaza-29-oxatetracyclo[24.2.1.0(2,7).0(20,25)]enneicosa-2,4,6,20,22,24,26,28(1)-octaene (L2) and 9,12,15,18,21,30,31-heptaaza-32-oxatetracyclo[27.2.1.0(2,7).0(23,28)]diatriconta-2,4,6,23,25,27,29,31(1)-octaene (L3) are reported. Each ligand contains the 2,5-diphenyl[1,3,4]oxadiazole (PPD) unit incorporated in the polyamine macrocycle. The protonation constants of L1-L3 were determined by means of
Christina A Spivey et al.
Current medical research and opinion, 31(11), 2021-2029 (2015-09-22)
The objective of this study was to determine the association between warfarin discontinuation and stroke among patients with nonvalvular atrial fibrillation (NVAF). This was a retrospective, observational study of adult NVAF patients (≥ 18 years) who were on warfarin in
E V Burlakova et al.
Radiatsionnaia biologiia, radioecologiia, 51(6), 660-669 (2012-03-06)
A new class of substances exhibiting radioprotective and radiosensitizing effects depending on the concentration of the substance has been found. The radioprotective effect is probably due to the resonant absorption of radiation energy and its transformation into low-energy forms, as
Alessio Terenzi et al.
Dalton transactions (Cambridge, England : 2003), 41(15), 4389-4395 (2012-02-16)
The interaction of calf thymus DNA with [CuL(ClO(4))]ClO(4)·H(2)O (1) and [ZnLBr]Br·H(2)O (2) (L = 9,12,15,18,27,28-hexaaza-29-oxatetracyclo[24.2.1.0(2,7).0(20,25)]enneicosa-2,4,6,20,22,24,26,28(1)-octaene) dicationic complexes in aqueous solution at neutral pH, was investigated by variable-temperature UV-vis absorption, circular dichroism and fluorescence spectroscopy. The values of the DNA-binding constants
J W Ludlow et al.
Analytical biochemistry, 145(1), 212-215 (1985-02-15)
A fluorographic procedure for the detection of [3H]thymidine-labeled deoxyribonucleic acids electrophoresed in agarose gels was developed. 2,5-Diphenyloxazole (PPO) was added to the agarose solution before pouring of the gel for electrophoresis. This procedure did not interfere with the electrophoretic mobility
Ulrika Axling et al.
Adipocyte, 9(1), 587-599 (2020-10-06)
The aim of this study was to elucidate mechanisms whereby bile acids exert beneficial metabolic effects, using the Cyp8b1-/- mouse as model. These mice are unable to synthesize cholic acid, resulting in increased synthesis of chenodeoxycholic acid and enlarged bile
G P Zhizhina et al.
Radiatsionnaia biologiia, radioecologiia, 45(1), 56-62 (2005-04-07)
The effects of 2,5-diphenyloxazole ad its derivatives suggested as nontraditional radioprotectors on mice spleen DNA structure were studied. The effects of these compounds were studied on intraperitoneal injection with and without subsequent X-ray exposure of mice to a dose of
Fluorography of polyacrylamide gels containing tritium.
J H Waterborg et al.
Methods in molecular biology (Clifton, N.J.), 32, 163-167 (1994-01-01)
Olivier Braem et al.
Physical chemistry chemical physics : PCCP, 14(10), 3513-3519 (2012-02-07)
We present a femtosecond broad-band fluorescence up-conversion study of the vibrational relaxation dynamics of two UV chromophores, 2,5-diphenyloxazole (PPO) and para-terphenyl (pTP), pumped with a large excess of vibrational energy (>2000 cm(-1)). The band narrowing of the transient fluorescence spectrum
G G Perng et al.
Analytical biochemistry, 173(2), 387-392 (1988-09-01)
Eight different methods of fluorographic enhancement of sensitivity to 35S decay after gel electrophoresis were compared. Using Kodak X-Omat AR X-ray film, we found that some fluors were about equivalent to 2,5-diphenyloxazole/dimethyl sulfoxide embedding, whereas several other fluors were not
S M Hystad et al.
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 128(8), 1605-1615 (2015-05-20)
Characterized novel mutations present at Ppo loci account for the substantial reduction of the total kernel PPO activity present in a putative null Ppo - A1 genetic background. Wheat (Triticum aestivum) polyphenol oxidase (PPO) contributes to the time-dependent discoloration of
Fang Wei et al.
Journal of chromatography. A, 1404, 60-71 (2015-06-14)
In this investigation, off-line comprehensive two-dimensional liquid chromatography-atmospheric pressure chemical ionization mass spectrometry using a single column has been applied for the identification and quantification of triacylglycerols in edible oils. A novel mixed-mode phenyl-hexyl chromatographic column was employed in this
Water-binding solid scintillators: synthesis, emission properties, and tests in 3H and 14C counting.
H J Meyer et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 6(15), 2809-2817 (2000-09-14)
Spectral and time-resolved fluorescence properties as well as relative fluorescence quantum yields of carbodiimide derivatives of 2.5-diphenyloxazole (PPO) (prepared by H2S elimination from the corresponding thioureas), of some intermediates in the preparation, and of several other PPO derivatives were investigated
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