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Silke R Kirchner et al.
Journal of biophotonics, 5(1), 40-46 (2011-12-08)
Microfluidic jetting is a promising method to produce giant unilamellar phospholipid vesicles for mimicking living cells in biomedical studies. We have investigated the chemical composition of membranes of vesicles prepared using this approach by means of Raman scattering spectroscopy. The
Alena Koukalová et al.
Biochimica et biophysica acta, 1848(2), 444-452 (2014-12-03)
Didehydroroflamycoin (DDHR), a recently isolated member of the polyene macrolide family, was shown to have antibacterial and antifungal activity. However, its mechanism of action has not been investigated. Antibiotics from this family are amphiphilic; thus, they have membrane activity, their
Maria S Kuyukina et al.
Journal of microbiological methods, 107, 23-29 (2014-09-07)
Using combined confocal laser scanning and atomic force microscopy (CLSM/AFM), bacterial viability under organic solvent stress was assessed at single cell level. Solvent-exposed bacteria stained with the LIVE/DEAD BacLight fluoresced green or red, allowing viable and dead cell discrimination. However
Divya Nayar et al.
The journal of physical chemistry. B, 116(43), 13124-13132 (2012-09-25)
Structural estimators for the entropy are combined with an analysis of the different contributions to the energy of solvation to understand the molecular basis of the thermodynamics of solvation of passivated nanoparticles. Molecular dynamics simulations of thiolated gold clusters in
Shin Aoki et al.
Chemistry, an Asian journal, 7(5), 944-956 (2012-02-09)
We have previously reported that the trimeric Zn(2+)-cyclen complex (tris(Zn(2+)-cyclen), [Zn(3)L(1)](6+)) and the trianion of trithiocyanuric acid (TCA(3-)) assembled in a 4:4 ratio to form a cuboctahedral supramolecular cage, [(Zn(3)L(1))(4)(TCA(3-))(4)](12+) (hereafter referred to as a Zn-cage), in neutral aqueous solution
Sung-Min Kang et al.
Langmuir : the ACS journal of surfaces and colloids, 30(44), 13199-13204 (2014-10-25)
We present the interactions and assembly of triblock cylinders at oil-water and air-water interfaces. ABA-type triblock cylinders with different block ratios and surface wettabilities are prepared using a micromolding method. These triblock cylinders at fluid-fluid interfaces induce complex interface deformation
Bum Jun Park et al.
Soft matter, 11(44), 8701-8706 (2015-09-18)
We study the lateral capillary interactions between colloids beneath an oil-water interface that lead to closely packed two-dimensional self-assembled colloidal crystals. These capillary forces are caused by the overlap of deformed interfaces above colloids on a solid substrate. The interface
Pilar Gómez-Cortés et al.
Analytical chemistry, 84(12), 5400-5406 (2012-06-06)
Optimal accuracy and precision in small-molecule profiling by mass spectrometry generally requires isotopically labeled standards chemically representative of all compounds of interest. However, preparation of mixed standards from commercially available pure compounds is often prohibitively expensive and time-consuming, and many
Arjen Bot et al.
Faraday discussions, 158, 223-238 (2012-12-14)
Small-angle neutron scattering (SANS) experiments have been performed on self-assembled tubules of sitosterol and oryzanol in triglyceride oils to investigate details of their structure. Alternative organic phases (deuterated and non-deuterated decane, limonene, castor oil and eugenol) were used to both
Ewa Radzikowska et al.
Organic & biomolecular chemistry, 13(1), 269-276 (2014-11-05)
Chimeric oligonucleotides containing phosphodiester and phosphorothioate linkages have been obtained using the solid phase synthesis. The oligonucleotide parts possessing natural internucleotide phosphate bonds were assembled using commercially available nucleoside 3'-O-(2-cyanoethyl-N,N-diisopropylamino)phosphoramidites 7 whereas the phosphorothioate segment was built using nucleoside 3'-O-(2-thio-1,3,2-oxathiaphospholanes)
Florent Darriet et al.
Planta medica, 78(4), 386-389 (2012-01-20)
Investigation of the essential oil of the aerial parts of Eryngium maritimum L. from Corsica led to the isolation of one known sesquiterpene (1) and three new oxygenated sesquiterpenes with a muurolane or cadinane skeleton (2-4). Structure assignments of 4
Vikram Karde et al.
International journal of pharmaceutics, 475(1-2), 351-363 (2014-09-10)
Influence of surface modification on wettability and surface energy characteristics of three micron size pharmaceutical excipient powders was studied using hydrophilic and hydrophobic grades of nano-silica. The wetting behavior assessed from contact angle measurements using sessile drop and liquid penetration
Huan Liu et al.
PloS one, 9(8), e105506-e105506 (2014-08-29)
A gram-negative aliphatic hydrocarbon-degrading bacterium SJTD-1 isolated from oil-contaminated soil was identified as Pseudomonas aeruginosa by comparative analyses of the 16S rRNA sequence, phenotype, and physiological features. SJTD-1 could efficiently mineralize medium- and long-chain n-alkanes (C12-C30) as its sole carbon
3D simulation of DI diesel combustion and pollutant formation using a two-component reference fuel.
Barths H, et al.
Oil & Gas Science and Technology, 54(2), 233-244 (1999)
Jae-Min Jeong et al.
Langmuir : the ACS journal of surfaces and colloids, 29(10), 3474-3481 (2013-02-15)
An effective polymeric thin film deposited by initiated chemical vapor deposition (iCVD) process was presented and its application as a barrier film on the PDMS micromold blocking the penetration of oxygen and organic solvents was investigated. With this barrier film
Colored ceramic foams with tailored pore size and surface functionalization used as spawning plates for fish breeding.
Kroll S, et al.
Ceramics International, 40(10), 15763-15773 (2014)
Xiaoqing Zhou et al.
The Analyst, 140(5), 1662-1671 (2015-01-27)
An effective dual preconcentration method involving off-line hollow fiber liquid-liquid-liquid microextraction (HF-LLLME) and on-line sweeping micellar electrokinetic chromatography (sweeping-MEKC) was proposed for the determination of five second-generation antidepressants, including fluoxetine, sertraline, paroxetine, fluvoxamine and citalopram. In HF-LLLME, the analytes were
Kaname Hashizaki et al.
Journal of oleo science, 61(5), 267-275 (2012-04-26)
New liquid substances that induce the formation of lecithin organogels composed of reverse worm-like micelles were studied. The phase behavior and rheological properties of lecithin/polyglycerol (PGL)/oil systems were investigated in detail; the polymerization degrees of the glycerol residues were 3
Brocilo D, et al.
IEEE International Conference on Dielectric Liquids (ICDL). 2011 null
Mahvash Karimi et al.
Colloids and surfaces. B, Biointerfaces, 95, 129-136 (2012-03-27)
Wettability alteration is considered to be one of the important mechanisms that lead to increased oil recovery during microbial enhanced oil recovery (MEOR) processes. Changes in wettability will greatly influence the petrophysical properties of the reservoir rocks and determine the
J H C M Lammers et al.
International journal of toxicology, 30(1), 47-58 (2011-01-27)
This article reports the results of neurobehavioral tests on C(5)-C(10) normal paraffinic constituents (n-paraffins). Shortly after exposure, effects were evaluated in several domains including clinical effects, motor activity, functional observations, and visual discrimination performance. The representative C(5) n-paraffin, n-pentane, did
Chao Zhang et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 24(12), 124109-124109 (2012-03-08)
We investigate structural and dynamical properties of NaCl and KCl solution/n-decane interfaces. We find that K(+) and Cl(-) ions localize close to the interface and modify the orientations of both first-layer and second-layer water molecules in the interfacial region. Na(+)
Jordi Esquena et al.
Langmuir : the ACS journal of surfaces and colloids, 28(33), 12334-12340 (2012-06-28)
A novel and simple single-step method for the preparation of meso/macroporous silica materials is described, which consists in templating in highly concentrated emulsions with a cubic liquid crystal in the continuous phase. Tetraethyl orthosilicate (TEOS) was solubilized in the aqueous
David A Garrec et al.
Faraday discussions, 158, 37-49 (2012-12-14)
We report on how edible nano-emulsions can be designed and produced in order to remain stable on storage. Edible nano-emulsions can potentially be used to target and control delivery of micronutrients to the human gastrointestinal tract. A class of microstructures
Elena Stanoeva et al.
Bioorganic & medicinal chemistry, 13(1), 17-28 (2004-12-08)
The 2,9,10-trioxatricyclo[4.3.1.0(3,8)]decane moiety is a tetracyclic cage-like orthoester incorporated in the structure of a series of daphnane derivatives such as resiniferatoxin (RTX), kirkinine, synaptolepis factors, huratoxin etc., exhibiting various biological activities. The approaches to the preparation of cage-like orthoesters starting
Ching-Wei Njauw et al.
Langmuir : the ACS journal of surfaces and colloids, 29(12), 3879-3888 (2013-02-28)
It has been known that the addition of bile salts to lecithin organosols induces the formation of reverse wormlike micelles and that the worms are similar to long polymer chains that entangle each other to form viscoelastic solutions. In this
Ilya V Pobelov et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 24(16), 164210-164210 (2012-04-03)
We describe a new setup for simultaneous measurements of force and current in conductive nanocontacts in a liquid environment with a high sampling rate and resolution. A lab-built current-to-voltage converter allows measurements of the current over seven orders of magnitude.
Alexandra Nemkevich et al.
Physical chemistry chemical physics : PCCP, 12(45), 14916-14929 (2010-10-15)
A set of model compounds covering a range of polarity and flexibility have been simulated using GAFF, CHARMM22, OPLS and MM3 force fields to examine how well classical molecular dynamics simulations can reproduce structural and dynamic aspects of organic molecular
Attila Bende et al.
The journal of physical chemistry. A, 114(47), 12479-12489 (2010-11-06)
This study aims to present a detailed theoretical investigation of noncovalent intermolecular interactions between different π-π stacking phenothiazine derivatives and between different alkane chains varying from propane to decane. Second-order Møller-Plesset perturbation (MP2), coupled cluster (CC), and density functional (DFT)
Mercury-induced fragmentation of n-decane and n-undecane in positive mode ion mobility spectrometry.
F Gunzer
The Analyst, 140(18), 6379-6385 (2015-08-08)
Ion mobility spectrometry is a well-known technique for trace gas analysis. Using soft ionization techniques, fragmentation of analytes is normally not observed, with the consequence that analyte spectra of single substances are quite simple, i.e. showing in general only one
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