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Hilmi Orhan et al.
Free radical research, 38(12), 1269-1279 (2005-03-15)
The objective of the present study was to evaluate a comprehensive set of urinary biomarkers for oxidative damage to lipids, proteins and DNA, in man. Eighteen moderately trained males (mean age 24.6+/-0.7) exercised 60min at 70% of maximal O2 uptake
Kristin Schallschmidt et al.
Journal of breath research, 10(4), 046007-046007 (2016-10-13)
This paper outlines the design and performance of an observational study on the profiles of volatile organic compounds (VOCs) in the breath of 37 lung cancer patients and 23 healthy controls of similar age. The need to quantify each VOC
Asymmetric Catalytic Alkynylation of Acetaldehyde: Application to the Synthesis of (+)-Tetrahydropyrenophorol.
Trost BM and Quintard A.
Angewandte Chemie (International Edition in English), 51(27), 6704-6708 (2012)
Jing Huang et al.
Analytica chimica acta, 878, 102-108 (2015-05-24)
In the current study, we introduced a novel polystyrene/graphene (PS/G) composite nanofiber film for thin film microextraction (TFME) for the first time. The PS/G nanofiber film was fabricated on the surface of filter paper by a facile electrospinning method. The
Magdalena Wrona et al.
Talanta, 172, 37-44 (2017-06-13)
Recently oxobiodegradable polyethylene gained popularity as food packaging material due to its potential to reduce polymer waste. However, this type of material can release after its oxidation off-odour compounds that affect the organoleptic properties of packaged food. Odour compounds released
Carmine Summo et al.
Meat science, 86(3), 839-844 (2010-08-04)
An experimental investigation was carried out to study the evolution of the volatile compounds of ripened sausages as a function of both storage time (time) and composition of packaging atmosphere (MAP). Ripened sausages, prepared at an industrial plant, were packed
Daniela Brunert et al.
PloS one, 4(5), e5499-e5499 (2009-05-12)
The gaseous signalling molecule nitric oxide (NO) is involved in various physiological processes including regulation of blood pressure, immunocytotoxicity and neurotransmission. In the mammalian olfactory bulb (OB), NO plays a role in the formation of olfactory memory evoked by pheromones
Ning Li et al.
Biochemistry, 51(40), 7908-7916 (2012-09-06)
Cyanobacterial aldehyde decarbonylases (ADs) catalyze the conversion of C(n) fatty aldehydes to formate (HCO(2)(-)) and the corresponding C(n-1) alk(a/e)nes. Previous studies of the Nostoc punctiforme (Np) AD produced in Escherichia coli (Ec) showed that this apparently hydrolytic reaction is actually
Pingxi Xu et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(46), 16592-16597 (2014-10-29)
Insect repellents are important prophylactic tools for travelers and populations living in endemic areas of malaria, dengue, encephalitis, and other vector-borne diseases. DEET (N,N-diethyl-3-methylbenzamide) is a 6-decade-old synthetic repellent, which is still considered the gold standard of mosquito repellents. Mosquitoes
Jon Barbour et al.
Journal of proteome research, 7(4), 1594-1605 (2008-03-14)
The olfactory system is exposed to a plethora of chemical compounds throughout an organism's lifespan. Anticipation of stimuli and construction of appropriate neural filters present a significant challenge. This may be addressed via modulation of the protein composition of the
Nicolò Mauro et al.
Journal of pharmaceutical sciences, 108(2), 960-969 (2018-10-13)
Chitosan oligosaccharide (C) was functionalized with l-arginine (A) and short hydrocarbon chains (C8) to design an amphiphilic copolymer, henceforth CAC8, leading to microparticles (MPs) consisting of an arginine-decorated hydrophilic shell and inner hydrophobic domains allowing the encapsulation of high amount
Yuka Ohkado et al.
Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan, 46(1), 13-20 (2005-05-11)
The residual volatiles in recycled polyethylene terephthalate (PET) were analyzed using headspace/GC/MS. Recycled PET samples were made from PET bottles used for beverages, alcohol and soy sauce, and they were recycled in physical recycling plants, chemical recycling plants and superclean-like
Yunzi Feng et al.
Food chemistry, 265, 274-280 (2018-06-10)
Two types of chicken broth, broiler broth (BB) and native chicken broth (NCB), were used to analyse their differences in aroma by gas chromatography-olfactometry/mass spectrometry (GC-O/MS). NCB contained more complex volatiles and exhibited a richer aromatic profile compared with BB.
Shiwen Dou et al.
Protoplasma, 254(4), 1539-1545 (2016-11-18)
Octanal is a potential alternative to chemical fungicides in controlling postharvest disease of citrus fruit. In this study, the antifungal activity and the underlying mechanism of octanal against spore germination of Penicillium digitatum, one of the main postharvest pathogens in
Hector D Douglas et al.
Hormones and behavior, 54(2), 325-329 (2008-05-01)
Crested auklets emit a citrus-like odorant that is seasonally modulated, suggesting that it is a secondary sexual trait. We hypothesized that expression of the chemical odorant is facilitated by steroid hormones, similar other secondary sexual traits in birds. Therefore we
Vincent O Nyasembe et al.
Parasites & vectors, 8, 581-581 (2015-11-11)
Lack of effective vaccines and therapeutics for important arboviral diseases such as Rift Valley fever (RVF) and dengue, necessitates continuous monitoring of vector populations for infections in them. Plant-based lures as surveillance tools has the potential of targeting mosquitoes of
Sibao Liu et al.
Science advances, 5(2), eaav5487-eaav5487 (2019-02-13)
We present a strategy to synthesize three types of renewable lubricant base oils with up to 90% yield using 2-alkylfurans, derived from nonfood biomass, and aldehydes, produced from natural oils or biomass through three chemistries: hydroxyalkylation/alkylation (HAA), HAA followed by
Joana Pinto et al.
Food chemistry, 271, 639-649 (2018-09-22)
This work presents a metabolomics study of cork by gas chromatography-mass spectrometry (GC-MS) and 1H nuclear magnetic resonance (NMR) spectroscopy to characterize compounds susceptible to be extracted from cork by the wine in an attempt to find a relationship between
Norio Miyazawa et al.
Bioscience, biotechnology, and biochemistry, 74(4), 835-842 (2010-04-10)
The odor-active volatiles of Kinokuni mandarin (Citrus kinokuni Hort. ex Tanaka), an original mandarin orange in Japan, were characterized by a combination of instrumental and sensory analyses and compared with those of Satsuma mandarin (Citrus unshiu Marcovitch). An aroma extract
J Sánchez Del Pulgar et al.
Meat science, 95(3), 586-592 (2013-06-26)
The effect of the IGF-II genotype (AG vs. GG) on the morphological and compositional parameters, the fatty acid composition of intramuscular fat, the odour concentration (analysed by dynamic olfactometry) and the volatile compound profile (analysed by proton transfer reaction time-of-flight
Flavio A Franchina et al.
Journal of chromatography. A, 1402, 102-109 (2015-06-03)
The present research is focused on the use and evaluation of a novel helium ionization detector, defined as barrier discharge ionization detector (BID), within the context of (low-)flow modulation comprehensive two-dimensional gas chromatography (FM GC×GC). The performance of the BID
Taufika Islam Williams et al.
Analytical chemistry, 77(10), 3383-3389 (2005-05-14)
Lipid peroxidation has been linked to the etiology of several diseases, including Alzheimer's disease (AD). End products of this phenomenon include low molecular weight, water-soluble aldehydes, compounds that covalently modify proteins and nucleic acids, thereby altering function. Aliphatic aldehydes (C3-C10)
M M Ramírez-Rodrigues et al.
Journal of food science, 76(2), C212-C217 (2011-05-04)
Calyxes from the Roselle plant (Hibiscus sabdariffa L.) were used to prepare cold (22 °C for 4 h) and hot (98 °C for 16 min) infusions/teas from both fresh and dried forms. Aroma volatiles were extracted using static headspace SPME
Paweł Mochalski et al.
Cell biochemistry and biophysics, 71(1), 323-329 (2014-08-16)
Gas chromatography with mass spectrometric detection combined with head-space needle trap extraction as the pre-concentration technique was applied to identify and quantify volatile organic compounds released or metabolised by human umbilical vein endothelial cells. Amongst the consumed species there were
Elke Weiler et al.
Chemical senses, 31(7), 641-647 (2006-06-29)
Salt, known as taste quality, is generally neglected in olfaction, although the olfactory sensory neurons stretch into the salty nasal mucus covering the olfactory epithelium (OE). Using a psychophysical approach, we directly and functionally demonstrate in the awake rat for
Pascal Fuchsmann et al.
Journal of agricultural and food chemistry, 63(34), 7511-7521 (2015-08-01)
To establish the odor profiles of three differently fabricated commercial Swiss Tilsit cheeses, analyses were conducted using headspace solid-phase microextraction gas chromatography-mass spectrometry/pulsed flame photometric detection and gas chromatography-olfactometry to identify and quantitate volatile compounds. In addition, odor quality and
Yong-Soo Seo et al.
Bioresource technology, 121, 475-479 (2012-07-31)
This study was conducted to reduce off-flavors from sea tangle (Laminaria japonica) extract since the typical odor of seaweed is an impediment to consumption of seaweed products. Fifty-six odor compounds emitted from the extract were identified using a thermal desorbor
Sander Koster et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 80, 163-181 (2015-03-21)
A main challenge in food safety research is to demonstrate that processing of foodstuffs does not lead to the formation of substances for which the safety upon consumption might be questioned. This is especially so since food is a complex
Eunice A Owino et al.
Parasites & vectors, 8, 253-253 (2015-05-01)
Effective surveillance and estimation of the biting fraction of Aedes aegypti is critical for accurate determination of the extent of virus transmission during outbreaks and inter-epidemic periods of dengue and chikungunya fever. Here, we describe the development and use of
Total Synthesis of (?)-Dihydrosporothriolide Utilizing an Indium-Mediated Reformatsky?Claisen Rearrangement.
Ishihara J, et al.
The Journal of Organic Chemistry, 79(12), 5908-5913 (2014)
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