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Showing 1-30 of 644 results for "30-3290" within Papers
Sara Picone et al.
Applied microbiology and biotechnology, 97(17), 7887-7898 (2012-10-24)
Contaminant biodegradation in unsaturated soils may reduce the risks of vapor intrusion. However, the reported rates show large variability and are often derived from slurry experiments that are not representative of unsaturated conditions. Here, different laboratory setups are used to
Jie Ma et al.
Environmental pollution (Barking, Essex : 1987), 178, 419-425 (2013-05-01)
The fate of fuel releases largely depends on the poorly-understood response in microbial community structure and function. Here, we evaluate the impacts to the microbial community resulting from a pilot-scale continuous release (10 months) of a 10% v:v ethanol solution
Veli C Ozalp et al.
Analytica chimica acta, 853, 533-540 (2014-12-04)
A quartz crystal microbalance sensor (QCM) was developed for sensitive and specific detection of Salmonella enterica serovar typhimurium cells in food samples by integrating a magnetic bead purification system. Although many sensor formats based on bioaffinity agents have been developed
Kunal Savaji et al.
Journal of colloid and interface science, 453, 276-280 (2015-05-26)
In this paper we study the phenomenon of lateral movement of particles that are electrostatically adsorbed at a solid-liquid interface. The experimental system involves negatively charged silica particles of two different sizes (65 nm and 90 nm) that are exposed
Seshadri Reddy Ankireddy et al.
International journal of nanomedicine, 10 Spec Iss, 113-119 (2015-09-09)
Dopamine is a neurotransmitter of the catecholamine family and has many important roles, especially in human brain. Several diseases of the nervous system, such as Parkinson's disease, attention deficit hyperactivity disorder, restless legs syndrome, are believed to be related to
José M Estrada et al.
Water research, 47(13), 4312-4321 (2013-06-15)
Clogging due to biomass accumulation and the loss of structural stability of the packing media are common operational drawbacks of standard gas biofiltration inherent to the traditional biofilter design, which result in prohibitive pressure drop buildups and media channeling. In
S Hamid et al.
Environmental technology, 35(9-12), 1470-1477 (2014-04-08)
The biodegradation potential of Burkholderia vietnamiensis G4 (B. vietnamiensis G4) was evaluated under encapsulation in comparison with direct exposure to trichloroethylene (TCE) (0.1, 0.5, 1 and 5 mg/L) and toluene (10 and 50 mg/L), maintaining aerobic conditions. B. vietnamiensis G4
[Renal injure and metabolic acidosis associated with toluene].
Xi-xian Xu et al.
Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases, 31(1), 75-77 (2013-02-26)
Tiina J Kauppila et al.
Journal of the American Society for Mass Spectrometry, 26(6), 1036-1045 (2015-04-02)
Seventy-seven EPA priority environmental pollutants were analyzed using gas chromatography-mass spectrometry (GC-MS) equipped with an optimized atmospheric pressure photoionization (APPI) and an atmospheric pressure laser ionization (APLI) interface with and without dopants. The analyzed compounds included e.g., polycyclic aromatic hydrocarbons
Davide Espa et al.
Dalton transactions (Cambridge, England : 2003), 42(34), 12429-12439 (2013-07-19)
Mixing [M(Et2dazdt)2](BF4)2 [M = Ni(II), Pd(II), Pt(II); Et2dazdt = N,N'-diethyl-perhydrodiazepine-2,3-dithione] with (Bu4N)2[M(mnt)2] (mnt = maleonitrile-2,3-dithiolate) in CH3CN produces the known mixed ligand dithiolene complex [Ni(Et2dazdt)(mnt)] in the nickel case and ion-pair salts [M(Et2dazdt)2][M(mnt)2] in the palladium (1) and platinum (2)
Adrian Mellage et al.
Environmental science & technology, 49(12), 7161-7169 (2015-05-27)
The microbially mediated reactions, that are responsible for field-scale natural attenuation of organic pollutants, are governed by the concurrent presence of a degrading microbial community, suitable energy and carbon sources, electron acceptors, as well as nutrients. The temporal lack of
C Lemaire et al.
Journal of labelled compounds & radiopharmaceuticals, 58(7), 281-290 (2015-05-27)
An efficient, fully automated, enantioselective multi-step synthesis of no-carrier-added (nca) 6-[(18)F]fluoro-L-dopa ([(18)F]FDOPA) and 2-[(18)F]fluoro-L-tyrosine ([(18)F]FTYR) on a GE FASTlab synthesizer in conjunction with an additional high- performance liquid chromatography (HPLC) purification has been developed. A PTC (phase-transfer catalyst) strategy was
Kalaiselvi Senthil et al.
PloS one, 10(4), e0123360-e0123360 (2015-04-16)
Free radical scavenging activity (FRSA), total phenolic content (TPC), and total flavonoid content (TFC) of in vitro cultured and field grown Withania somnifera (Ashwagandha) roots were investigated. Withanolides analysis and comprehensive metabolic profiling between 100% methanol extracts of in vitro
Sotirios Christodoulou et al.
Nature communications, 6, 7905-7905 (2015-07-30)
Strain in colloidal heteronanocrystals with non-centrosymmetric lattices presents a unique opportunity for controlling optoelectronic properties and adds a new degree of freedom to existing wavefunction engineering and doping paradigms. We synthesized wurtzite CdSe nanorods embedded in a thick CdS shell
Yannan Yang et al.
Small (Weinheim an der Bergstrasse, Germany), 11(23), 2743-2749 (2015-02-06)
Large pore (4.6-7.6 nm) and well-dispersed benzene bridged mesoporous organosilica nanoparticles with uniform particle size of ≈50 nm are prepared via a biphasic approach. They can be directly used as nanocarriers without surface modification for the intracellular delivery of therapeutic
Vikramjit Sarkar et al.
Carbohydrate research, 406, 65-70 (2015-02-15)
A linear strategy has been developed for the synthesis of the tetrasaccharide repeating unit of the O-polysaccharide from Azospirillum brasilense SR80. Stepwise glycosylation of the rationally protected thioglycoside donors activated by NIS in the presence of La(OTf)3 furnished the target
Sangjun Lee et al.
Carbohydrate polymers, 121, 284-294 (2015-02-11)
In this study, we synthesized dimer acid (DA) esters, having short to long alkyl chains, (DA-Cn) by the Diels-Alder reaction and subsequent esterification reaction of fatty acids that were prepared by the hydrolysis of waste vegetable oil. It was found
Nuria Ortuño et al.
The Science of the total environment, 499, 27-35 (2014-09-01)
The constant increase in the production of electronic devices implies the need for an appropriate management of a growing number of waste electrical and electronic equipment. Thermal treatments represent an interesting alternative to recycle this kind of waste, but particular
Eleni Bletsa et al.
Journal of colloid and interface science, 455, 163-171 (2015-06-13)
Novel nanohybrid materials were prepared by covalent grafting of a polyphenolic polymer [Humic Acid Like Polycondensate (HALP)] on SiO2 nanoparticles. Four nanohybrids were so-produced, using four different types of SiO2 i.e. three Aerosil flame-made nanoparticles with nominal specific surface area
Fathima N M Khalid et al.
Environmental science and pollution research international, 22(17), 12975-12981 (2015-04-29)
The concentration changes of 18 different polycyclic aromatic hydrocarbons (PAHs) in two different biochars were assessed after (1) chemical oxidative treatment with a solution of H2O2 and Na2S2O8, (2) exposure to sunlight with intermittent wetting, and (3) exposure to sunlight with intermittent
L Chen et al.
Faraday discussions, 181, 355-364 (2015-05-01)
Plasmon properties such as peak position, extinction cross-section and local electric field intensity are strongly dependent on excited, localized surface plasmon resonance (LSPR) modes. In non-spherical copper chalcogenide nanoparticles, assignment of the LSPR peaks to the corresponding oscillation modes has
Fuchao Xu et al.
Journal of chromatography. A, 1401, 33-41 (2015-05-23)
A multi-residue analytical method was developed for the determination of a range of flame retardants (FRs), including polybrominated diphenyl ethers (PBDEs), emerging halogenated FRs (EFRs) and organophosphate FRs (PFRs), in food matrices. An ultrasonication and vacuum assisted extraction (UVAE), followed
Rihui Su et al.
Journal of chromatography. A, 1405, 23-31 (2015-06-17)
In this work, polymerized high internal phase emulsion (polyHIPE) monoliths were prepared and applied as monolithic adsorbent materials for proconcentration of trace polycyclic aromatic hydrocarbons (PAHs) from large-volume water samples. The monolithic polyHIPE columns were prepared by in situ polymerization
Characterization of five ECF sigma factors in the genome of Pseudomonas syringae pv. syringae B728a.
Poulami Basu Thakur et al.
PloS one, 8(3), e58846-e58846 (2013-03-22)
Pseudomonas syringae pv. syringae B728a, a bacterial pathogen of bean, utilizes large surface populations and extracellular signaling to initiate a fundamental change from an epiphytic to a pathogenic lifestyle. Extracytoplasmic function (ECF) sigma (σ) factors serve as important regulatory factors
Nusheng Chen et al.
Carbohydrate polymers, 128, 122-129 (2015-05-26)
Biocomposites with tunable properties were successfully prepared through ionic assembly between anionic carboxymethyl cellulose (CMC) and cationic copolymers (quaternized poly(l-lactide)-block-poly N,N-dimethylamino-2-ethyl methacrylate) (PLA-b-PDMAEMA). The quaternized PDMAEMA segment not only works as a compatibilizer between hydrophilic CMC and hydrophobic PLA, but
Hayley Hughes et al.
Noise & health, 15(67), 379-387 (2013-11-16)
Hearing loss affects many workers including those in the military and may be caused by noise, medications, and chemicals. Exposures to some chemicals may lead to an increase in the incidence of hearing loss when combined with hazardous noise. This
Liang Meng et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 989, 46-53 (2015-03-25)
Two microextraction techniques based on hollow fiber liquid-phase microextraction (HF-LPME) and ultrasound-assisted low-density solvent dispersive liquid-liquid microextraction (UA-LDS-DLLME) had been applied for the determination of drugs of abuse (methamphetamine, amphetamine, 3,4-methylenedioxymethamphetamine, 3,4-methylenedioxyamphetamine, methcathinone, ketamine, meperidine, and methadone) in urine and
Jisheng Zhang et al.
Dalton transactions (Cambridge, England : 2003), 44(21), 9847-9859 (2015-05-06)
Utilization of dioxygen as the terminal oxidant at ambient temperature is always a challenge in redox chemistry, because it is hard to oxidize a stable redox metal ion like iron(III) to its high oxidation state to initialize the catalytic cycle.
J M Romo-Herrera et al.
Journal of nanoscience and nanotechnology, 15(9), 6774-6778 (2015-12-31)
Carbon Nanotubes (CNTs) are coated by an insulator (Al2O3) shell using the atomic layer deposition (ALD) technique. This is achieved in large quantities (tens of milligrams per batch) for electrical wiring purposes. Here we present a transmission electron microscopy (TEM)
Su-Jin Hwang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(15), 5872-5878 (2015-02-26)
Pure and palladium-loaded Co3O4 hollow hierarchical nanostructures consisting of nanosheets have been prepared by solvothermal self-assembly. The nanostructures exhibited an ultrahigh response and selectivity towards p-xylene and toluene. The responses (resistance ratio) of the palladium-loaded Co3O4 hollow hierarchical nanostructures to
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