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Yajun Sang et al.
The Journal of chemical physics, 142(22), 224704-224704 (2015-06-15)
It is important to investigate the influence of surfactants on structures and physical/chemical properties of oil/water interfaces. This work reports a second harmonic generation study of the adsorption of malachite green (MG) on the surfaces of oil droplets in a
Measurements of anisotropic (off-axis) friction-induced motion.
Kai Kristiansen et al.
Advanced materials (Deerfield Beach, Fla.), 24(38), 5236-5241 (2012-07-21)
Susana Bequer Urbano et al.
Extremophiles : life under extreme conditions, 17(2), 217-227 (2013-01-04)
The production of triacylglycerols (TAG) or wax esters (WS) seems to be a widespread feature among extremophile bacteria living in high-altitude Andean Lakes (HAAL), Argentina. Twelve out of twenty bacterial strains isolated from HAAL were able to produce TAG or
Zee-Wei Lai et al.
Journal of bioscience and bioengineering, 114(3), 286-291 (2012-05-23)
The potential use of n-dodecane and n-hexadecane as oxygen vectors for enhancing hyaluronic acid (HA) biosynthesis by Streptococcus zooepidemicus ATCC 39920 was investigated using a 2-L stirred-tank bioreactor equipped with helical ribbon or Rushton turbine impellers. The volumetric fraction of
Ahmad El-Hellani et al.
Chemical research in toxicology, 28(8), 1532-1537 (2015-07-15)
As with other tobacco aerosols, nicotine delivery from e-cigarettes (ECIG) depends on the total nicotine and its partitioning between free-base (Nic) and protonated (NicH(+)) forms. Previous studies of ECIG nicotine emissions have generally reported "nicotine yield" without attention to whether
T P Pirog et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 75(1), 3-13 (2013-03-23)
Synthesis of biosurfactants (surface-active substances, SAS) was investigated under the conditions of growth of Rhodococcus erythropolis IMV Ac-5017 and Acinetobacter calcoaceticus IMV B-7241 on hydrophobic (n-hexadecane, liquid paraffins, sunflower oil) and hydrophilic (ethanol) substrates depending on concentration (0.01-0.5 mM) and
N Haddaji et al.
Journal of dairy science, 98(7), 4302-4309 (2015-05-20)
Adhesion has been regarded as one of the basic features of probiotics. The aim of this study was to investigate the influence of acid stress on the functional properties, such as hydrophobicity, adhesion to HeLa cells, and composition of membrane
Roberto Milani et al.
Journal of colloid and interface science, 448, 140-147 (2015-03-01)
Hydrophobins are natural surfactant proteins endowed with exceptional surface activity and film-forming capabilities and their use as effective "fluorine-free fluorosurfactants" has been recently reported. In order to increase their fluorophilicity further, here we report the preparation of a unique fluorous-modified
Motoyasu Kobayashi et al.
Langmuir : the ACS journal of surfaces and colloids, 28(18), 7212-7222 (2012-04-17)
The surface wettabilities of polymer brushes with hydrophobic and hydrophilic functional groups were discussed on the basis of conventional static and dynamic contact angle measurements of water and hexadecane in air and captive bubble measurements in water. Various types of
T M Nogina et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 75(5), 10-17 (2014-02-01)
It has been established that the oil-oxidizing strains of actinobacteria--components of the preparation "Ekolan-M" are able to assimilate n-alkanes during microaerobic cultivation in nitrate-reducing conditions. After 7 days of growth in these conditions, the level of biodegradation of n-hexadecane of
Julie Mounier et al.
FEMS microbiology ecology, 90(3), 816-831 (2014-10-17)
Hydrophobic organic compounds (mainly lipids and hydrocarbons) represent a significant part of the organic matter in marine waters, and their degradation has an important impact in the carbon fluxes within oceans. However, because they are nearly insoluble in the water
Yan Mou et al.
Molecules (Basel, Switzerland), 20(11), 20320-20333 (2015-11-17)
The endophytic fungus Berkleasmium sp. Dzf12, isolated from Dioscorea zingiberensis, was found to produce palmarumycins C12 and C13 which possess a great variety of biological activities. Seven biocompatible water-immiscible organic solvents including n-dodecane, n-hexadecane, 1-hexadecene, liquid paraffin, dibutyl phthalate, butyl
Matthew A Churchward et al.
Biophysical journal, 94(10), 3976-3986 (2008-01-30)
The Ca(2+)-triggered merger of two apposed membranes is the defining step of regulated exocytosis. CHOL is required at critical levels in secretory vesicle membranes to enable efficient, native membrane fusion: CHOL-sphingomyelin enriched microdomains organize the site and regulate fusion efficiency
T P Pirog et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 74(1), 20-27 (2012-05-02)
It was established that glycerol, a byproduct of biodiesel production, may be used as substrate for synthesis of surfactants Rhodococcus erythropolis IMV Ac-5017 and Acinetobacter calcoaceticus IMV B-7241. Maximum indices of surfactants synthesis by the strain IMV B-7241 have been
Keren Kahil et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(49), 30957-30965 (2020-11-25)
Sea urchin larvae have an endoskeleton consisting of two calcitic spicules. The primary mesenchyme cells (PMCs) are the cells that are responsible for spicule formation. PMCs endocytose sea water from the larval internal body cavity into a network of vacuoles
The gas-phase oxidation of n-hexadecane.
Fournet R, et al.
International Journal of Chemical Kinetics, 33(10), 574-586 (2001)
C Flavia Massaro et al.
Journal of agricultural and food chemistry, 62(50), 12209-12217 (2014-11-26)
Australian stingless bee honeys have been shown to exert antioxidant and in vitro antimicrobial properties; however their bioactive factors remained unidentified. This study investigated the antibacterial properties of phenolic extracts from Tetragonula carbonaria honeys. Honeys were harvested from beehives in
Hiroshi Toda et al.
Applied and environmental microbiology, 81(6), 1919-1925 (2015-01-04)
We describe the development of biocatalysis for producing optically pure straight-chain (S)-epoxyalkanes using styrene monooxygenase of Rhodococcus sp. strain ST-10 (RhSMO). RhSMO was expressed in the organic solvent-tolerant microorganism Kocuria rhizophila DC2201, and the bioconversion reaction was performed in an
Guru A Venkatesan et al.
Langmuir : the ACS journal of surfaces and colloids, 31(47), 12883-12893 (2015-11-12)
The droplet interface bilayer (DIB)--a method to assemble planar lipid bilayer membranes between lipid-coated aqueous droplets--has gained popularity among researchers in many fields. Well-packed lipid monolayer on aqueous droplet-oil interfaces is a prerequisite for successfully assembling DIBs. Such monolayers can
Joseph S Najem et al.
Scientific reports, 5, 13726-13726 (2015-09-09)
MscL, a stretch-activated channel, saves bacteria experiencing hypo-osmotic shocks from lysis. Its high conductance and controllable activation makes it a strong candidate to serve as a transducer in stimuli-responsive biomolecular materials. Droplet interface bilayers (DIBs), flexible insulating scaffolds for such
Rashmi Rekha Saikia et al.
Environmental science and pollution research international, 20(12), 9026-9033 (2013-06-15)
Accumulation of oily sludge is becoming a serious environmental threat, and there has not been much work reported for the removal of hydrocarbon from refinery tank bottom sludge. Effort has been made in this study to investigate the removal of
[Intensification of Biosurfactant Synthesis by Acinetobacter calcoaceticus IMV B-7241 on a Hexadecane–Glycerol Mixture ].
T P Pirog et al.
Mikrobiologiia, 81(5), 611-619 (2012-12-14)
Sonja Herman et al.
Autoimmunity, 45(8), 602-611 (2012-08-25)
Hydrocarbon oils such as pristane or hexadecane induce arthritis and lupus in rodents sharing clinical and pathological features with the human diseases rheumatoid arthritis and systemic lupus erythematosus, respectively. In pristane-induced lupus in the mouse induction of apoptosis and augmentation
Nadica Ivošević DeNardis et al.
The Journal of membrane biology, 245(9), 573-582 (2012-07-20)
General adhesion behavior of phospholipid vesicles was examined in a wide range of potentials at the mercury electrode by recording time-resolved adhesion signals. It was demonstrated that adhesion-based detection is sensitive to polar headgroups in phospholipid vesicles. We identified a
Alban Bujard et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 63, 36-44 (2014-07-11)
The parallel artificial membrane permeability assay (PAMPA) is a high-throughput screening (HTS) method that is widely used to predict in vivo passive permeability through biological barriers, such as the skin, the blood brain barrier (BBB) and the gastrointestinal tract (GIT).
Qing Wang et al.
Journal of colloid and interface science, 383(1), 89-95 (2012-07-17)
Liposomes containing a model active component were entrapped within the internal aqueous phase (W(1)) of W(1)/O/W(2) double emulsions, thus providing a double-encapsulation system. Our motivation for the development of this system is to prevent liposomes from interacting with unfavorable physicochemical
Sven Staufenbiel et al.
International journal of pharmaceutics, 485(1-2), 87-96 (2015-03-10)
The surface properties of intravenously injected nanoparticles determine the acquired blood protein adsorption pattern and subsequently the organ distribution and cellular recognition. A series of poly[acrylonitrile-co-(N-vinyl pyrrolidone)] (PANcoNVP) model nanoparticles (133-181 nm) was synthesized, in which the surface properties were
Giuseppe Gallo et al.
Applied microbiology and biotechnology, 94(5), 1289-1301 (2012-04-25)
The alkB gene, encoding an alkane monooxygenase in the actinomycete Gordonia sp. SoCg, was expressed in the non-alkane-degrading actinomycete Streptomyces coelicolor M145. The resulting engineered strain, M145-AH, can grow on n-hexadecane as sole carbon source. To unravel proteins associated with
Dong-Hyun Kim et al.
Theranostics, 5(5), 477-488 (2015-03-15)
Magnetic resonance imaging (MRI)-visible amonafide-eluting alginate microspheres were developed for targeted arterial-infusion chemotherapy. These alginate microspheres were synthesized using a highly efficient microfluidic gelation process. The microspheres included magnetic clusters formed by USPIO nanoparticles to permit MRI and a sustained
Gibum Kwon et al.
Advanced materials (Deerfield Beach, Fla.), 24(27), 3666-3671 (2012-06-13)
In this work, the first-ever membrane-based single unit operation that enables gravity driven, on-demand separation of various oil-water mixtures is developed. Using this methodology, the on-demand separation of free oil and water, oil-in-water emulsions, and water-in-oil emulsions is demonstrated, with
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