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High pressure pyrolysis of n-heptane.
Chakraborty JP and Kunzru D.
Journal of Analytical and Applied Pyrolysis, 86(1), 44-52 (2009)
Lucas A Lane et al.
The journal of physical chemistry. B, 118(49), 14140-14147 (2014-08-27)
Quantum dots (QDs) offer distinct advantages over organic dyes and fluorescent proteins for biological imaging applications because of their brightness, photostability, and tunability. However, a major limitation is that single QDs emit fluorescent light in an intermittent on-and-off fashion called...
Dipanwita De et al.
The journal of physical chemistry. B, 117(7), 2106-2112 (2012-12-18)
An attempt is made to draw a line of comparison between the extent of rigidity of the hydration layers bound to the interfacial region of lamellar structures of Aerosol OT (AOT, sodium bis(2-ethylhexyl) sulfosuccinate) in water, in the presence and...
Hyeong Jun Lim et al.
Physical chemistry chemical physics : PCCP, 16(33), 17466-17472 (2014-07-16)
The Hansen solubility parameters (HSPs) of as-produced multi-walled carbon nanotubes (APMWCNTs) were determined by means of the inverse gas chromatography (IGC) technique. Due to non-homogeneous surfaces of the APMWCNTs arising from defects and impurities, it was necessary to establish adequate...
R C S Barcelos et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 69, 38-45 (2014-04-04)
We evaluated the influence of dietary fats on ultraviolet radiation (UVR)-induced oxidative damage in skin of rats. Animals from two consecutive generations born of dams supplemented with fats during pregnancy and breastfeeding were maintained in the same supplementation: soybean-oil (SO...
Gábor Csordás et al.
PloS one, 9(6), e98191-e98191 (2014-06-04)
In recent years, Drosophila melanogaster has become an attractive model organism in which to study the structure and development of the cellular immune components. The emergence of immunological markers greatly accelerated the identification of the immune cells (hemocytes), while the...
Si Chen et al.
Molecular bioSystems, 10(12), 3310-3321 (2014-10-16)
As a classical formula, Sini decoction (SND) has been fully proved to be clinically effective in treating doxorubicin (DOX)-induced cardiomyopathy. Current chemomics and pharmacology proved that the total alkaloids (TA), total gingerols (TG), total flavones and total saponins (TFS) are...
Jordan Gueritat et al.
Free radical biology & medicine, 77, 95-105 (2014-09-23)
In preclinical models, exercise training (ET) or pomegranate juice (PJ) prevents prostate cancer progression. Here, we hypothesized that physical exercise combined with antioxidants could induce synergistic effects through oxidative stress modulation. Forty male Copenhagen rats with prostate tumors were divided...
Martina Sandberg Abelius et al.
Journal of reproductive immunology, 106, 100-109 (2014-07-23)
The immunological milieu in the placenta may be crucial for priming the developing foetal immune system. Early imbalances may promote the establishment of immune-mediated diseases in later life, including allergies. The initial exposure to allergens seems to occur in utero...
S Monadjemi et al.
Environmental science & technology, 45(22), 9582-9589 (2011-09-29)
Photodegradation is seldom considered at the surface of vegetation after crop spraying. Chlorothalonil, a broad-spectrum foliar fungicide with a very widespread use worldwide, was considered. To represent the waxy upper layer of leaves, tests were performed within thin paraffin wax...
Thiloka C Ariyasena et al.
Journal of chromatography. A, 1361, 240-254 (2014-08-30)
Retention factors on several columns and at various temperatures using gas chromatography and from reversed-phase liquid chromatography on a SunFire C18 column with various mobile phase compositions containing acetonitrile, methanol and tetrahydrofuran as strength adjusting solvents are combined with liquid-liquid...
Maria Notou et al.
Journal of chromatography. A, 1356, 272-276 (2014-07-06)
A novel zone-fluidics/high pressure liquid chromatographic (ZF-HPLC) method is described for the simultaneous determination of six biogenic monoamines, in the presence of hexylamine as internal standard. Automated on-line derivatization of the analytes with naphthalene-2,3-dicarboxaldehyde/cyanide ions was performed using the ZF...
Yinhe Tan et al.
International journal of pharmaceutics, 427(2), 385-392 (2012-02-22)
The objective of this study was to investigate the stability and aerosolization of pressurized metered dose inhalers (pMDIs) containing thymopentin nanoparticles. Thymopentin nanoparticles, fabricated by a bottom-up process, were suspended in hydrofluoroalkane (HFA) 134a together with cineole and/or n-heptane to...
Hydroisomerization of n-heptane over MoP/Hβ catalyst doped with metal additive.
Liu P, et al.
Fuel Processing Technology, 131, 311-316 (2015)
Annina Steinbach et al.
ACS applied materials & interfaces, 4(10), 5196-5203 (2012-09-21)
Plasma-enhanced chemical vapor deposited polymers (plasma polymers) are promising candidates for biomaterials applications. In the present study, plasma deposition as a fast and easily scalable method was adapted to deposit coatings from n-heptane and methyl methacrylate monomers onto glass substrates....
Yun Luo et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 15(10), 2136-2144 (2014-05-14)
Rare-earth-element (Y, Gd) modified Pt nanoparticles (NPs) supported on a carbon substrate (Vulcan XC-72) are synthesized via a water-in-oil chemical route. In both cases, X-ray diffraction (XRD) measurements show the non-formation of an alloyed material. Photoemission spectroscopy (XPS) results reveal...
Emilie Destandau et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 985, 29-37 (2015-02-04)
An innovative procedure coupling pressurized solvent extraction and centrifugal partition chromatography (CPC) used in linear gradient elution mode was developed to isolate two pure germacranolides (9α-hydroxyparthenolide and 9β-hydroxyparthenolide) and to separate flavonoids (nepetin, isorhamnetin and jaceosidin) and chlorophyll pigments from...
Ian P Clark et al.
The journal of physical chemistry. A, 114(43), 11425-11431 (2010-10-14)
The electronic structure of (η⁶-benzene)Cr(CO)₃ has been calculated using density functional theory and a molecular orbital interaction diagram constructed based on the Cr(CO)₃ and benzene fragments. The highest occupied molecular orbitals are mainly metal based. The nature of the lowest...
Céline Rivière et al.
Fitoterapia, 97, 253-260 (2014-06-10)
Neuroinflammatory processes are involved in the pathogenesis of many neurodegenerative disorders. Microglial cells, the main immune cells of the central nervous system, represent a target of interest to search for naturally occurring anti-inflammatory products. In this study, we evaluated the...
J C Stockert et al.
Biotechnic & histochemistry : official publication of the Biological Stain Commission, 87(7), 464-467 (2012-08-03)
In standard histological technique, aromatic solvents such as xylene and toluene are used as clearing agents between ethanol dehydration and paraffin embedding. In addition, these solvents are used for de-waxing paraffin sections. Unfortunately, these solvents are harmful and therefore adequate...
Bernhard Sandig et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(44), 15835-15842 (2015-10-24)
Mesoporous monolithic hybrid cellulose-2.5-acetate (CA)/polymer supports were prepared under solvent-induced phase separation conditions using cellulose-2.5-acetate microbeads 8-14 μm in diameter, 1,1,1-tris(hydroxymethyl)propane and 4,4'-methylenebis(phenylisocyanate) as monomers as well as THF and n-heptane as porogenic solvents. 4-(Dimethylamino)pyridine and dibutyltin dilaurate (DBTDL), respectively, were...
Michael H Abraham et al.
European journal of medicinal chemistry, 43(3), 478-485 (2007-06-05)
Values of in vitro gas to lung partition coefficients, K(lung), of VOCs have been collected from the literature. For 44 VOCs, application of the Abraham solvation equation to log K(lung) yielded a correlation with R(2)=0.968 and S.D.=0.25 log units. Combination...
Benjamin Kehimkar et al.
Talanta, 103, 267-275 (2012-12-04)
An algorithm, referred to as targeted mass spectral ratio analysis (TMSRA) is presented whereby the ratios between intensities as a function of mass channel (m/z) of a target analyte mass spectrum are used to automatically determine which m/z are sufficiently...
Mathias Schaffrath et al.
Journal of chromatography. A, 1363, 270-277 (2014-07-22)
Chiral spirocyclic terpenoids are abundant natural flavors with significant impact particularly on the food industry. Chromatographic methods for analytical and preparative separation of these compounds are therefore of high interest to natural product chemists in academia and industry. Gas chromatography...
Vikrant Rachakonda et al.
Alcoholism, clinical and experimental research, 38(11), 2712-2721 (2014-11-26)
Dysregulated adipose tissue metabolism has been implicated in the pathogenesis of alcoholic liver disease in murine models. We aimed to characterize serum markers of adipose tissue metabolism and inflammation in patients with severe acute alcoholic hepatitis (AAH) and determine their...
Jun Luo et al.
Science China. Life sciences, 58(4), 379-389 (2014-12-22)
Collective migration of loosely or closely associated cell groups is prevalent in animal development, physiological events, and cancer metastasis. However, our understanding of the mechanisms of collective cell migration is incomplete. Drosophila border cells provide a powerful in vivo genetic...
Courtney A Ober et al.
AAPS PharmSciTech, 13(4), 1396-1406 (2012-10-12)
Cocrystals of itraconazole, an antifungal drug with poor bioavailability, and succinic acid, a water-soluble dicarboxylic acid, were formed by gas antisolvent (GAS) cocrystallization using pressurized CO(2) to improve itraconazole dissolution. In this study, itraconazole and succinic acid were simultaneously dissolved...
Bing Chen et al.
Journal of hazardous materials, 188(1-3), 369-374 (2011-02-26)
The influence of the initial fuel temperature on the burning behavior of n-heptane pool fire was experimentally studied at the State Key Laboratory of Fire Science (SKLFS) large test hall. Circular pool fires with diameters of 100mm, 141 mm, and...
Samira Hezaveh et al.
The Journal of chemical physics, 136(12), 124901-124901 (2012-04-03)
In this paper, the conformation and dynamics properties of polyethylene oxide (PEO) and polypropylene oxide (PPO) polymer chains at 298 K have been studied in the melt and at infinite dilution condition in water, methanol, chloroform, carbon tetrachloride, and n-heptane...
Robert T Dauchy et al.
Journal of the American Association for Laboratory Animal Science : JAALAS, 54(1), 40-50 (2015-02-05)
Early studies on rodents showed that short-term exposure to high-intensity light (> 70 lx) above 600 nm (red-appearing) influences circadian neuroendocrine and metabolic physiology. Here we addressed the hypothesis that long-term, low-intensity red light exposure at night (rLEN) from a...
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