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Showing 1-30 of 39 results for "PHR1119" within Papers
Christian Merten et al.
The journal of physical chemistry. A, 116(27), 7329-7336 (2012-06-06)
In the present work, the first observation of strong resonance Raman optical activity (RROA) involving more that one resonant electronic state is reported. The chiral transition metal complex bis-(trifluoroacetylcamphorato) copper(II), abbreviated Cu(tfc)(2), exhibits both resonance Raman (RR) and RROA spectra
Jae-Seong Sim et al.
Journal of dentistry, 40(10), 836-842 (2012-07-10)
Recently the colour stability of composite resins has been an issue due to the emphasis on the aesthetics of restored teeth. The purpose of the present study was to investigate how dual-peak LED units affect the polymerization of coinitiator-containing composite
Emiliya Cherneva et al.
Molecules (Basel, Switzerland), 17(9), 10258-10266 (2012-08-29)
Camphor and borneol are wildly distributed in the essential oils of medicinal plants from various parts of the World. Our study has been carried out to evaluate the effect of these two bicyclic monoterpenes on rat thymocytes. Camphor and borneol
Karla Mychellyne Costa Oliveira et al.
Brazilian oral research, 26(3), 202-208 (2012-05-30)
We compared polymerization stress in two commercial composites and three experimental composites made using camphorquinone (CQ) and/or phenylpropanedione (PPD) as photoinitiators. The internal surfaces of photoelastic resin discs with cylindrical cavities were roughened and treated with adhesive. Composites were divided
Hiroyuki Kitahata et al.
Physical review. E, Statistical, nonlinear, and soft matter physics, 87(1), 010901-010901 (2013-02-16)
The coupling between deformation and motion in a self-propelled system has attracted broader interest. In the present study, we consider an elliptic camphor particle for investigating the effect of particle shape on spontaneous motion. It is concluded that the symmetric
Zipping and unzipping of a paddlewheel metal-organic framework to enable two-step synthetic and structural transformation.
Paul Smart et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(11), 3552-3557 (2013-02-13)
M Shehata et al.
Archives of toxicology, 86(9), 1423-1429 (2012-05-23)
Phenol has been traditionally used in dental treatment as a sedative for the pulp or as disinfectant for carious cavity and root canal. However, phenol is regarded as a mutagenic and carcinogenic agent and its use in dental practice is
Shigeki Yamamoto et al.
Journal of computational chemistry, 34(25), 2152-2158 (2013-07-05)
Induced resonance Raman optical activity (IRROA) proved to be a very sensitive method to detect molecular chirality. It is exhibited, for example, by complexes of lanthanides with chiral alcohols or ketones. So far, the phenomenon has not been understood at
Yiji Lin et al.
Dalton transactions (Cambridge, England : 2003), 41(22), 6696-6706 (2012-04-28)
Chiral tetrakis(β-diketonate) Ln(III) complexes Δ-[NaLa(d-hfc)(4)(CH(3)CN)] (1) and Λ-[NaLa(l-hfc)(4) (CH(3)CN)] (2) (d/l-hfc(-) = 3-heptafluo-robutylryl-(+)/(-)-camphorate) are a pair of enantiomers and crystallize in the same Sohncke space group (P2(1)2(1)2(1)) with dodecahedral (DD) geometry. Typically positive and negative exciton splitting patterns around 320
Gustav Georg Belz et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 10 Suppl 4, 61-67 (2003-06-17)
Independent, double-blinded, randomized, placebo-controlled studies using sublingual/oral administration of D-camphor, an extract from fresh crataegus berries, and a combination of the two (CCC) yielded the following results: Both the D-camphor and the extract from fresh crataegus berries, the components of
Dai Shirotani et al.
Chirality, 24(12), 1055-1062 (2012-09-05)
The preparation of tetrakis((+)-hfbc) lanthanide(III) complexes with an encapsulated alkali metal and ammonium ions M[Ln((+)-hfbc)(4)] (hereafter abbreviated as M-Ln : (+)-hfbc, (+)-heptafluorobutyrylcamphorate; M, ammonium or benzyl ammonium ions as well as alkali metal ions) was reported and discussed. The electronic circular dichroism
Roman Davydov et al.
Biochemistry, 52(4), 667-671 (2012-12-12)
Electron paramagnetic resonance and (1)H electron nuclear double resonance (ENDOR) spectroscopies have been used to analyze intermediate states formed during the hydroxylation of (1R)-camphor (H(2)-camphor) and (1R)-5,5-dideuterocamphor (D(2)-camphor) as induced by cryoreduction (77 K) and annealing of the ternary ferrous
Dahmane El Montassir et al.
Journal of separation science, 36(5), 832-839 (2013-02-05)
In a first step, 26 chiral stationary phases (CSPs) have been screened for the separation of (-)-α-thujone, (+)-β-thujone epimers and camphor enantiomers by LC. The separations were monitored by a polarimeter detector. None of these CSPs provided a noticeable resolution
Hong Zhang et al.
Analytica chimica acta, 742, 67-73 (2012-08-14)
A simple, sensitive and selective method for the simultaneous determination of five ultraviolet (UV) filters: benzophenone, octyl salicylate, homosalate, 3-(4-methylbenzylidene) camphor, 2-hydroxy-4-methoxybenzophenone in aqueous samples was developed. The analytes were extracted by plunger-in-needle solid-phase microextraction with graphene as sorbent, then
Dipanwita Batabyal et al.
Biochemistry, 52(49), 8898-8906 (2013-11-23)
Although CYP101D1 and P450cam catalyze the same reaction at similar rates and share strikingly similar active site architectures, there are significant functional differences. CYP101D1 thus provides an opportunity to probe what structural and functional features must be shared and what
Suman Kumari et al.
Applied biochemistry and biotechnology, 175(8), 3571-3584 (2015-02-13)
Barleria grandiflora Dalz. (Acanthaceae) is being used in India to treat different types of disorders including skin infections. Therefore, there are good possibilities to find antifungal compounds in its extracts with novel mechanism of action. The main objectives of the
Abdolkarim Chehregani et al.
Pharmaceutical biology, 51(2), 246-252 (2012-11-07)
Artemisia spicigera C. Koch (Asteraceae) is a perennial shrubby herb and is generally distributed in Armenia, Iran, and Middle Anatolia. This species traditionally has been used in medicines. The aim of this research is to study the chemical composition and
Guofeng Shang et al.
Journal of the Air & Waste Management Association (1995), 62(8), 873-879 (2012-08-25)
The characteristics and mechanisms of hydrogen sulfide (H2S) adsorption on a biochar through pyrolysis at various temperatures (100 to 500 degrees C) were investigated. The biochar used in the current study was derived from the camphor tree (Cinnamomum camphora). The
Camphor: a chiral starting material in natural product synthesis.
T Money
Natural product reports, 2(3), 253-289 (1985-06-01)
Dong-Bin Dang et al.
Chemical communications (Cambridge, England), 49(22), 2243-2245 (2013-02-12)
A series of 3D homochiral manganese-lanthanide frameworks have been synthesized based on chiral camphoric acid. In the heterometallic features, D-camphoric acids are unprecedentedly embedded in three coordination modes.
Equilibrium states and dynamic reactions of iron in the camphor monoxygenase system.
I C Gunsalus et al.
Advances in experimental medicine and biology, 74, 254-262 (1976-01-01)
D E Gibson et al.
The American journal of emergency medicine, 7(1), 41-43 (1989-01-01)
Camphor ingestion is a toxic ingestion that is seen infrequently in the emergency department. It is remarkable for its rapidity of action and toxicity. A case of camphor ingestion that displayed toxic effects is presented. The pharmacology, manifestations, and management
Irina Vetter et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(42), 16627-16641 (2013-10-18)
Topically applied camphor elicits a sensation of cool, but nothing is known about how it affects cold temperature sensing. We found that camphor sensitizes a subpopulation of menthol-sensitive native cutaneous nociceptors in the mouse to cold, but desensitizes and partially
Yali V Zhang et al.
Nature neuroscience, 16(10), 1468-1476 (2013-09-10)
Animals tend to reject bitter foods. However, long-term exposure to some unpalatable tastants increases acceptance of these foods. Here we show that dietary exposure to an unappealing but safe additive, camphor, caused the fruit fly Drosophila melanogaster to decrease camphor
I Jiménez-Díaz et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 936, 80-87 (2013-09-06)
UV-filters are widely used in many personal care products and cosmetics. Recent studies indicate that some organic UV-filters can accumulate in biota and act as endocrine disruptors, but there are few studies on the occurrence and fate of these compounds
J Vilaplana et al.
Actas dermo-sifiliograficas, 98(5), 345-346 (2007-06-09)
We report a case of allergic contact dermatitis due to alcamphor present in a flushing solution used by a 58-year-old woman. It is the first case described in our Division of Allergy and the second one reported in the literature.
Muhammad Azhar Sherkheli et al.
Pakistan journal of pharmaceutical sciences, 26(3), 431-438 (2013-04-30)
TRPV3 ion channels mediate thermo-transduction, nociception, inflammation and dermatitis in mammals. TRPV1-4 proteins have been shown to have conserved cysteine-residues in the pore-forming regions. These residues participate in channel activation via S-nitrosylation of channel proteins. Camphor is a commonly used
Hiroyuki Yamashita et al.
Pharmaceutical research, 30(1), 70-80 (2012-08-22)
Although a number of studies have reported that cocrystals can form by heating a physical mixture of two components, details surrounding heat-induced cocrystal formation remain unclear. Here, we attempted to clarify the thermal behavior of a physical mixture and cocrystal
Weiyang Chen et al.
Molecules (Basel, Switzerland), 18(5), 5434-5454 (2013-05-15)
The fragrant camphor tree (Cinnamomum camphora) and its products, such as camphor oil, have been coveted since ancient times. Having a rich history of traditional use, it was particularly used as a fumigant during the era of the Black Death
Guangling Bian et al.
Chirality, 24(10), 825-832 (2012-06-30)
A series of new camphorsulfonylated ligands derived from chiral 2-amino-2'-hydroxy-1,1'-binaphthyl (NOBIN) and (+)-camphorsulfonic acid were synthesized by a short and simple synthetic sequence, and their enantioselective catalytic activities were assessed in the nucleophilic addition reaction of dialkylzinc reagents to aldehydes
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