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297879

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Joe Forth et al.
Langmuir : the ACS journal of surfaces and colloids, 31(34), 9312-9324 (2015-08-12)
We study the films formed by tetradecylamine (TDA) at the water-dodecane interface in the presence of hydrogen phosphate ions. Using Fourier transform infrared spectroscopy (FTIR), interfacial shear rheology, confocal fluorescence microscopy, cryo-scanning electron microscopy (cryo-SEM), and small-angle neutron scattering (SANS)
Stefan Tippmann et al.
Biotechnology and bioengineering, 113(1), 72-81 (2015-06-26)
Terpenes have various applications as fragrances, cosmetics and fuels. One of the most prominent examples is the sesquiterpene farnesene, which can be used as diesel substitute in its hydrogenated form farnesane. Recent metabolic engineering efforts have enabled efficient production of
Christian Zorzetto et al.
Fitoterapia, 100, 95-109 (2014-12-03)
In the present work we carried out a phytochemical and biological investigation on three Hypericum species, i.e. Hypericum reflexum, Hypericum canariense and Hypericum grandifolium, from the Canary Islands where they are traditionally used as diuretic, wound healing, vermifuge, sedative and
Tong Wu et al.
Nature communications, 6, 5929-5929 (2015-01-13)
Particle-stabilized Pickering emulsions have shown unusual behaviours such as the formation of non-spherical droplets and the sudden halt of coalescence between individual droplets. Here we report another unusual behaviour of Pickering emulsions-the simultaneous coalescence of multiple droplets in a single
Chris Grant et al.
Enzyme and microbial technology, 48(6-7), 480-486 (2011-11-25)
The alkane-1-monoxygenase (alkB) complex of Pseudomonas putida GPo1 has been extensively studied in the past and shown to be capable of oxidising aliphatic C(5)-C(12) alkanes to primary alcohols both in the wild-type organism by growth on C(5)-C(12) alkanes as sole
Jong-Hwa Lee et al.
Journal of pharmaceutical sciences, 104(9), 3049-3059 (2015-02-05)
This study was performed to determine biopharmaceutical properties of lobeglitazone (LB), a novel thiazolidinedione-based activator of peroxisome proliferator-activated receptor gamma, in rats. In parallel artificial membrane permeability assay and Madin-Darby canine kidney (MDCK) cell permeability assays of LB, the activator
Marina Villar et al.
Analytical and bioanalytical chemistry, 407(19), 5571-5578 (2015-05-27)
A new approach exploiting in-syringe dispersive liquid-liquid microextraction (DLLME) for (99)Tc extraction and preconcentration from biological samples, i.e., urine and saliva, and liquid residues from treated patients is presented. (99)Tc is a beta emitter with a long half-life (2.111 × 10(5) years)
S V B Janardhan Garikipati et al.
Journal of biotechnology, 210, 91-99 (2015-07-06)
The solvent resistance capacity of Pseudomonas putida S12 was applied by using the organism as a host for biocatalysis and through cloning and expressing solvent resistant pump genes into Escherichia coli. P. putida S12 expressing toluene ortho mononooxygenase (TOM-Green) was
Zhiqiang Sun et al.
PloS one, 9(11), e112615-e112615 (2014-11-12)
Many terpenoids have important pharmacological activity and commercial value; however, application of these terpenoids is often limited by problems associated with the production of sufficient amounts of these molecules. The use of Saccharomyces cerevisiae (S. cerevisiae) for the production of
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
Shintaro Kawano et al.
Beilstein journal of organic chemistry, 11, 2355-2364 (2016-01-07)
Emulsions stabilized by colloidal particles are known as Pickering emulsions. To date, soft microgel particles as well as inorganic and organic particles have been utilized as Pickering emulsifiers. Although cyclodextrin (CD) works as an attractive emulsion stabilizer through the formation
Wenjie Xia et al.
Journal of hazardous materials, 276, 489-498 (2014-06-16)
Alkanes and polycyclic aromatic hydrocarbons (PAHs) have threatened the environment due to toxicity and poor bioavailability. Interest in degradation of these hazardous materials by biosurfactant-producing bacteria has been steadily increasing in recent years. In this work, a novel biosurfactant-producing Pseudomonas
V Abbate et al.
Drug testing and analysis, 7(7), 609-618 (2014-10-07)
Twenty-four products suspected of containing anabolic steroids and sold in fitness equipment shops in the United Kingdom (UK) were analyzed for their qualitative and semi-quantitative content using full scan gas chromatography-mass spectrometry (GC-MS), accurate mass liquid chromatography-mass spectrometry (LC-MS), high
M J Alvarez-Figueroa et al.
Drug development and industrial pharmacy, 41(4), 658-662 (2014-02-27)
Verapamil and naproxen Parallel Artificial Membrane Permeability Assay (PAMPA) permeability was studied using lipids not yet reported for this model in order to facilitate the quantification of drug permeability. These lipids are 1,2-distearoyl-sn-glycero-3-phosphatidylcholine (DSPC), 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) and an equimolar mixture
Maryam Chaichi et al.
Food additives & contaminants. Part B, Surveillance, 8(1), 73-80 (2014-10-31)
In this study, the levels of furan, 2-methylfuran, 2,5-dimethylfuran, vinyl furan, 2-methoxymethyl-furan and furfural in different coffee products were evaluated. Simultaneous determination of these six furanic compounds was performed by a head space liquid-phase micro-extraction (HS-LPME) method. A total of
S Mukherjee et al.
International journal of cosmetic science, 37(4), 371-378 (2015-02-07)
Skin irritation in personal cleansing has been correlated with surfactant binding with stratum corneum proteins. Polar and non-polar oils are increasingly being used in cleansing formulations which contain high (10-15%) level of anionic and non-ionic surfactants. However, the effects of
Mei Li et al.
Nature chemistry, 5(6), 529-536 (2013-05-23)
Although several strategies are now available to produce functional microcompartments analogous to primitive cell-like structures, little progress has been made in generating protocell constructs with self-controlled membrane permeability. Here we describe the preparation of water-dispersible colloidosomes based on silica nanoparticles
Benjamin Zeeb et al.
Journal of colloid and interface science, 387(1), 65-73 (2012-09-11)
The influence of interfacial crosslinking, layer thickness and layer density on the kinetics of Ostwald ripening in multilayered emulsions at different temperatures was investigated. Growth rates of droplets were measured by monitoring changes in the droplet size distributions of 0.5%
R Ruhela et al.
Journal of hazardous materials, 229-230, 66-71 (2012-06-19)
A novel carrier, N,N,N',N'-tetra-(2-ethylhexyl) thiodiglycolamide, T(2EH)TDGA has been studied for transport of Pd(II) from nitric acid medium across a supported liquid membrane (SLM). Pd(II) was found to be almost quantitatively transported (≈ 99.9%) within 2h from 3.0M HNO(3) medium using
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
Niels van Boxtel et al.
Journal of chromatography. A, 1348, 63-70 (2014-05-17)
In order to reduce inaccuracies due to possible matrix effects in conventional static headspace-gas chromatography (sHS-GC), it is standard practice to match the composition of calibration standards towards the composition of the sample to be analysed by adding blank matrix.
Esmer Jongedijk et al.
Yeast (Chichester, England), 32(1), 159-171 (2014-08-29)
Monoterpene olefins such as limonene are plant compounds with applications as flavouring and fragrance agents, as solvents and potentially also in polymer and fuel chemistry. We engineered baker's yeast Saccharomyces cerevisiae to express a (-)-limonene synthase from Perilla frutescens and
Masazumi Tamura et al.
Nature communications, 6, 8580-8580 (2015-10-06)
Multidentate materials formed by simply mixing heterogeneous and homogeneous components are promising for construction of versatile active sites on the surface of heterogeneous compounds, however, to the best of our knowledge, there are no reports on such materials. Self-assembly of
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
Anzi Wang et al.
Journal of chromatography. A, 1374, 216-223 (2014-12-06)
Fabrication technologies for microelectromechanical systems (MEMS) allow miniaturization of conventional benchtop gas chromatography (GC) to portable, palm-sized microfabricated GC (μGC) devices, which are suitable for on-site chemical analysis and remote sensing. The separation performance of μGC systems, however, has not
Mahnaz Ghambarian et al.
Journal of chromatography. A, 1222, 5-12 (2011-12-27)
The aim of this research was to compare the extraction efficiencies of two modes of three-phase hollow fiber microextraction (HF-LLLME) based on aqueous and organic acceptor phases for analysis of tricyclic antidepressant (TCA) drugs. High-performance liquid chromatography with photodiode array
The novel extractants, diglycolamides, for the extraction of lanthanides and actinides in HNO3-n-dodecane system.
Sasaki Y, et al.
Solvent Extr. Ion Exch., 19(1), 91-103 (2001)
Liyuan Feng et al.
Langmuir : the ACS journal of surfaces and colloids, 35(18), 6024-6031 (2019-04-18)
Molybdenite (MoS2) is a mineral that has drawn great interest because of its potential application in various fields. To facilitate the flotation of molybdenite, the mineral pulp is commonly treated with nonpolar oil additives to promote hydrophobicity and to form
Tamás Solymosi et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 94, 135-140 (2015-05-25)
The oral bioavailability of Sirolimus is limited by poor dissolution of the compound in the gastrointestinal tract resulting in a low bioavailability and large inter-individual differences in blood levels. Several different formulation approaches were applied to overcome these disadvantageous pharmacokinetic
James Kirby et al.
Applied and environmental microbiology, 81(1), 130-138 (2014-10-19)
Terpene synthesis in the majority of bacterial species, together with plant plastids, takes place via the 1-deoxy-d-xylulose 5-phosphate (DXP) pathway. The first step of this pathway involves the condensation of pyruvate and glyceraldehyde 3-phosphate by DXP synthase (Dxs), with one-sixth
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