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Toshiaki Yoshida
Environmental toxicology and pharmacology, 37(3), 1123-1128 (2014-05-06)
Recently, a pyrethroid profluthrin [(2,3,5,6-tetrafluoro-4-methylphenyl)methyl 2,2-dimethyl-3-(prop-1-enyl)cyclopropane-1-carboxylate] is widely used as mothproof repellents in indoors. The urinary excretion kinetics of its metabolites was examined in rats to search for urinary metabolites suitable as biomarkers of profluthrin exposure in the general population.
Andrii Piatkivskyi et al.
European journal of mass spectrometry (Chichester, England), 20(4), 337-344 (2014-11-26)
Gas-phase ion-molecule reactions [IMR] of various boron- and silicon-containing neutrals were investigated as a potential route for detecting phosphorylation within peptides in the negative ion mode. Trimethyl borate (TMB), triethyl borate (TEB) and N,O- Bis(trimethylsilyl)acetamide (TMSA), unlike diethylmethoxyborane (DEMB), diisopropoxymethylborane
Roksana Wierzbicka et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1000, 120-129 (2015-07-29)
High throughput GC-MS methods for quantification of alkylresorcinols (AR), biomarkers of whole grain wheat and rye intake, in plasma and adipose tissue and their metabolites in urine were developed and optimised. Alkylresorcinols in plasma (200μL) and adipose tissues (10-50mg) were
Alexandr N Simonov et al.
PloS one, 10(11), e0141252-e0141252 (2015-11-21)
Cytochrome P450c17 (P450 17A1, CYP17A1) is a critical enzyme in the synthesis of androgens and is now a target enzyme for the treatment of prostate cancer. Cytochrome P450c17 can exhibit either one or two physiological enzymatic activities differentially regulated by
Garram Ban et al.
Nanomaterials (Basel, Switzerland), 9(2) (2019-02-23)
Silica aerogels have attracted tremendous interest due to their high specific surface area and the physical, chemical, and mechanical properties as promising materials for thermal insulation, chemical sensors, and energy storage devices. However, large-scale production of silica aerogels remains a
B Seed
Current protocols in cell biology, Appendix 3, Appendix 3E-Appendix 3E (2008-01-30)
This unit provides a protocol for silanizing (siliconizing) glassware to prevent adsorption of solute to the glass surface and to increase the hydrophobicity of the surface. This is particularly important when dealing with low concentrations of particularly "sticky" solutes such
Xinyi Zhou et al.
Talanta, 147, 82-89 (2015-11-26)
Male infertility has become an important public health problem worldwide. Nowadays the diagnosis of male infertility frequently depends on the results of semen quality or requires more invasive surgical intervention. Therefore, it is necessary to develop a novel approach for
Steven A Zdravkovic
Journal of pharmaceutical and biomedical analysis, 112, 126-138 (2015-05-16)
An extractable survey is one of several studies performed on a pharmaceutical storage/delivery system as part of the process of demonstrating that the system is suitable for its intended use. In this paper, a solid phase extraction method for the
Michael Englert et al.
Analytical and bioanalytical chemistry, 407(18), 5503-5511 (2015-05-07)
Purification of individual fatty acids from vegetable oils by preparative liquid chromatography techniques such as countercurrent chromatography (CCC) is a challenging task due to the equivalent-chain-length (ECL) rule. It implies that one double bond equals two carbon atoms in the
Kuaifei Xia et al.
Plant, cell & environment, 38(12), 2662-2673 (2015-05-28)
Cuticular wax forms a hydrophobic layer covering aerial plant organs and acting as a protective barrier against biotic and abiotic stresses. Compared with well-known wax biosynthetic pathway, molecular regulation of wax biosynthesis is less known. Here, we show that rice
D B Mahadik et al.
Journal of colloid and interface science, 356(1), 298-302 (2011-02-01)
The surface free energy of a solid determines its surface and interfacial behavior in processes like wetting and adhesion which is crucial for silica aerogels in case of organic liquid absorption and transportation of chemicals at nano-scale for biotechnological applications.
Antonios Papastergiadis et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 73, 51-58 (2014-07-19)
Malondialdehyde (MDA), 4-Hydroxy-2-(E)-Nonenal (HNE) and 4-Hydroxy-2-(E)-Hexenal (HHE) are reactive aldehydes found in foods and are formed due to decomposition of polyunsaturated fatty acid hydroperoxides. In the present study, sixteen food categories were analyzed for the aforementioned aldehydes and in combination
Barbara Scaglia et al.
The Science of the total environment, 514, 314-321 (2015-02-11)
Biomasses are usually applied to soil for their agronomic properties (fertilization and amendment properties). Biomass can also have bio-stimulating effects on plants because of the presence of hormones and hormone-like molecules. Although compost has been the subject for studies of
Qi Qiu et al.
BMC complementary and alternative medicine, 14, 232-232 (2014-07-12)
Chinese medicine syndromes (Zheng) in many disease models are not clearly characterized or validated, and the concepts of Chinese medicine syndromes are confounding and controversial. Metabonomics has been applied to the evaluation and classification of the Chinese medicine syndromes both
Ksenia Astafyeva et al.
Langmuir : the ACS journal of surfaces and colloids, 31(24), 6791-6796 (2015-06-03)
The stability of model surfactant bilayers from the poly(ethylene glycol) mono-n-dodecyl ether (C12Ej) family was probed. The surfactant bilayers were formed by the adhesion of emulsion droplets. We generated C12Ej bilayers by forming water-in-oil (w/o) emulsions with saline water droplets
Enkhtuul Tsogtbaatar et al.
Journal of experimental botany, 66(14), 4267-4277 (2015-02-26)
Pennycress (Thlaspi arvense L.), a plant naturalized to North America, accumulates high levels of erucic acid in its seeds, which makes it a promising biodiesel and industrial crop. The main carbon sinks in pennycress embryos were found to be proteins
Johanna Rudbäck et al.
Contact dermatitis, 70(6), 329-339 (2014-03-29)
Citronellol is a frequently used fragrance compound in consumer products. It is present in fragrance mix II, which is used for screening of contact allergy to fragrances. Because of its chemical structure, citronellol could be susceptible to autoxidation. To compare
Mauro Cunha Xavier Pinto et al.
Neuropharmacology, 89, 274-281 (2014-10-15)
Brain preconditioning is a protective mechanism, which can be activated by sub-lethal stimulation of the NMDA receptors (NMDAR) and be used to achieve neuroprotection against stroke and neurodegenerative diseases models. Inhibitors of glycine transporters type 1 modulate glutamatergic neurotransmission through
Yang Bo et al.
Toxicology mechanisms and methods, 24(7), 461-469 (2014-06-27)
Titanium dioxide nanoparticles (nano-TiO2) have been widely applied in daily life and subsequent problem on the potential health risk are raised. Studies on the toxicity of nano-TiO2 have shown that they could lead to toxic effects on human and environment.
Simon Hammann et al.
Analytical and bioanalytical chemistry, 407(30), 9019-9028 (2015-10-07)
Triacylglycerols represent the major part (>90%) in most plant oils and have to be eliminated, when the minor compounds such as phytosterols or tocopherols should be analyzed. Here, we used an all liquid-liquid chromatographic technique, countercurrent chromatography (CCC), to fractionate
Maria João Rocha et al.
Environmental monitoring and assessment, 187(8), 483-483 (2015-07-03)
The Tagus is the longest Iberian river, notwithstanding, the levels of natural and xenoestrogenic endocrine-disrupting compounds (EDCs) were never measured in its estuary. Suspecting for their presence, we made a major survey of 17 EDCs that include: (i) natural (17β-oestradiol
M Barroso et al.
Journal of chromatography. A, 1217(40), 6274-6280 (2010-08-31)
A simple and sensitive procedure, using p-tolylpiperazine (pTP) as internal standard (IS), has been developed and validated for the qualitative and quantitative analysis of 1-(3-trifuoromethylphenyl)piperazine (TFMPP), 1-(3-chlorophenyl)piperazine (mCPP) and 1-(4-methoxyphenyl)piperazine (MeOPP) in hair. Drug extraction was performed by incubation with
Yongsoo Kim et al.
PloS one, 9(4), e94359-e94359 (2014-04-12)
We previously characterized members of the Myb protein family, MYT1 and MYT2, in Fusarium graminearum. MYT1 and MYT2 are involved in female fertility and perithecium size, respectively. To expand knowledge of Myb proteins in F. graminearum, in this study, we
M A García-Sevillano et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 985, 75-84 (2015-02-11)
Although mercury (Hg) is an important environmental and occupational pollutant, its toxicological effects, especially in serum and red blood cells (RBCs), have been scarcely studied. A toxicometabolomics workflow based on high resolution mass spectrometry approaches has been applied to investigate
Shuli Man et al.
Steroids, 84, 17-21 (2014-03-20)
Rhizoma Paridis Saponins (RPS), which is the effective part of Rhizoma Paridis, showed strong anti-lung cancer and anti-hepatocarcinoma activities. In this research, a gas chromatography/mass spectrometry (GC/MS) method was developed and validated for the metabolic profiling of RPS intervention in
Jiabo Li et al.
Molecules (Basel, Switzerland), 13(5), 1111-1119 (2008-06-19)
A series of amino acid methyl ester hydrochlorides were prepared in good to excellent yields by the room temperature reaction of amino acids with methanol in the presence of trimethylchlorosilane. This method is not only compatible with natural amino acids
Maria Angela M Marques et al.
Journal of bacteriology, 197(23), 3698-3707 (2015-09-24)
Mycobacterium leprae induces the formation of lipid droplets, which are recruited to pathogen-containing phagosomes in infected macrophages and Schwann cells. Cholesterol is among the lipids with increased abundance in M. leprae-infected cells, and intracellular survival relies on cholesterol accumulation. The
Mélanie Roffet-Salque et al.
Nature, 527(7577), 226-230 (2015-11-13)
The pressures on honeybee (Apis mellifera) populations, resulting from threats by modern pesticides, parasites, predators and diseases, have raised awareness of the economic importance and critical role this insect plays in agricultural societies across the globe. However, the association of
Chun Chang et al.
Acta pharmacologica Sinica, 36(11), 1356-1366 (2015-11-04)
To character the specific metabolomics profiles in the sera of Chinese patients with mild persistent asthma and to explore potential metabolic biomarkers. Seventeen Chinese patients with mild persistent asthma and age- and sex-matched healthy controls were enrolled. Serum samples were
Wenjiao Wang et al.
Plant molecular biology, 87(3), 219-233 (2014-12-30)
Most land plants have a wax layer which covers their aerial parts to protect them from environmental stresses, such as drought, UV radiation, and pathogenic invasion. The wax biosynthesis has been well studied previously in Arabidopsis, but it still remains
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