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Hua Ke et al.
The journal of physical chemistry. A, 118(34), 6819-6826 (2014-08-01)
Excitable reaction-diffusion systems form a wealth of dissipative concentration patterns that exist not only in chemical systems but also control or disrupt biological functions. An important example are rotating spiral waves in the autocatalytic Belousov-Zhabotinsky reaction. We show that the
Kai-Chih Hsu et al.
Nanoscale research letters, 9(1), 484-484 (2014-09-27)
A nanocomposite of silver nanoparticles and reduced graphene oxide (Ag/rGO) has been developed as a catalyst for the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) with sodium borohydride, owing to the larger specific surface area and synergistic effect of rGO.
Xabier Osteikoetxea et al.
PloS one, 10(3), e0121184-e0121184 (2015-03-24)
In recent years the study of extracellular vesicles has gathered much scientific and clinical interest. As the field is expanding, it is becoming clear that better methods for characterization and quantification of extracellular vesicles as well as better standards to
Milan Jana et al.
Nanotechnology, 26(7), 075402-075402 (2015-02-03)
Co9S8/reduced graphene oxide (RGO) composites were prepared on nickel foam substrate through hydrothermal reaction and used directly as supercapacitor electrode. The field emission scanning electron microscopy analysis of the composites showed the formation of Co9S8 nano-rods on the RGO surfaces.
Long Xu et al.
Environmental pollution (Barking, Essex : 1987), 196, 414-422 (2014-12-04)
Our aim of this study was to characterize the exposure pattern of polybrominated diphenyl ethers(PBDEs) in human placenta and assess their potential effects on neonates. Placenta samples were obtained from a typical e-waste area in Guiyu and a reference area
Shannon L Haughney et al.
Nanoscale, 6(22), 13770-13778 (2014-10-07)
Acute respiratory infections represent a significant portion of global morbidity and mortality annually. There is a critical need for efficacious vaccines against respiratory pathogens. To vaccinate against respiratory disease, pulmonary delivery is an attractive route because it mimics the route
Shih-Pin Chen et al.
Phytotherapy research : PTR, 29(4), 518-525 (2014-11-19)
Although chronic obstructive pulmonary disease (COPD) is an inflammatory disease predominantly involving T cells, no study of Rhodiola as an immunomodulator in COPD patients has been reported. In this study, COPD patients took Rhodiola crenulata 500 mg (n = 38) or placebo (starch/phosphate
Enno Kätelhön et al.
ACS nano, 8(5), 4924-4930 (2014-04-04)
We theoretically investigate reversible adsorption in electrochemical devices on a molecular level. To this end, a computational framework is introduced, which is based on 3D random walks including probabilities for adsorption and desorption events at surfaces. We demonstrate that this
Climate change. Dr. Cool.
Eli Kintisch
Science (New York, N.Y.), 342(6156), 307-309 (2013-10-19)
Jiebin Tang et al.
Bioresource technology, 129, 548-552 (2013-01-01)
To test a biorefinery concept, the non-wood biomass of Eulaliopsis binata was treated with dilute acid prior to dissolving pulp production at 160 °C for 30 min. The pretreatment liquor (PL) contained 42.04 g/L sugars, of which 81.46% was xylose
Mir-Jamal Hosseini et al.
Cell biochemistry and biophysics, 70(1), 367-381 (2014-04-03)
Oxidative damage has been implicated in disorders associated with abnormal copper metabolism and also Cu(2+) overloading states. Besides, mitochondria are one of the most important targets for Cu(2+), an essential redox transition metal, induced hepatotoxicity. In this study, we aimed
Min-Li Mo et al.
Journal of cancer research and clinical oncology, 141(5), 901-908 (2014-11-05)
Novel molecular predictive biomarkers for chemotherapy have been screened and validated in non-small cell lung cancer (NSCLC). However, there was no report on the correlation of genome-wide DNA methylation with survival benefit from chemotherapy in NSCLC. A sandwich enzyme-linked immunosorbent
Agata Przekora et al.
Materials science & engineering. C, Materials for biological applications, 45, 287-296 (2014-12-11)
The aim of the study was to fabricate titanium (Ti) material coated with functionalized carbon nanotubes (f-CNTs) that would have potential medical application in orthopaedics as an implantable electronic device. The novel biomedical material (Ti-CNTs-H2O) would possess specific set of
Gayong Shim et al.
Journal of controlled release : official journal of the Controlled Release Society, 189, 80-89 (2014-06-29)
Here, we report reduced graphene oxide (rGO) nanosheets coated with an anti-angiogenic anticancer taurocholate derivative of low-molecular-weight heparin (LHT7) as a tumor-targeting nanodelivery platform for anticancer drugs. Surface coating of LHT7 onto rGO was confirmed using fluorescein isothiocyanate-labeled LHT7, monitored
Chee Shan Lim et al.
Physical chemistry chemical physics : PCCP, 16(24), 12178-12182 (2014-05-13)
Graphene materials are very popular in the field of biosensing owing to their distinctive characteristics. However, oxygen-containing groups are known to exist intrinsically in graphene-related materials. These groups influence the electrochemical properties of graphene materials and therefore affect the sensing
João Almeida et al.
Nature, 502(7471), 359-363 (2013-10-08)
Nucleation of aerosol particles from trace atmospheric vapours is thought to provide up to half of global cloud condensation nuclei. Aerosols can cause a net cooling of climate by scattering sunlight and by leading to smaller but more numerous cloud
Laura Herrero et al.
Analytica chimica acta, 853, 625-636 (2014-12-04)
Phthalates (PAEs) are ubiquitous toxic chemical compounds. During the last few years, some phthalate metabolites (MPAEs) have been proposed as appropriate biomarkers in human urine samples to determine PAE human intake and exposure. So, it is necessary to have fast
Sarah K Sihvonen et al.
The journal of physical chemistry. A, 118(38), 8787-8796 (2014-09-12)
Mineral dust aerosol is one of the largest contributors to global ice nuclei, but physical and chemical processing of dust during atmospheric transport can alter its ice nucleation activity. In particular, several recent studies have noted that sulfuric and nitric
D Draganescu et al.
International journal of biological macromolecules, 72, 614-623 (2014-09-23)
Flaxseed lignans are a natural source of useful biologically active components that show a diverse spectrum of health-promoting properties. The valuable effects of the phenolic molecules are mainly due to their antioxidant activity by preventing oxidative stress and stimulate collagen
Kan Zhang et al.
ChemSusChem, 7(9), 2489-2495 (2014-07-30)
A 2H-MoS2 (H=hexagonal) ultrathin nanomesh with high defect generation and large porosity is demonstrated to improving electrochemical performance, including in lithium-ion batteries (LIBs) and the hydrogen evolution reaction (HER), with the aid of a 3D reduced graphene oxide (RGO) scaffold
Mohammad Behbahani et al.
Environmental monitoring and assessment, 186(11), 7245-7257 (2014-07-16)
We are introducing graphene oxide modified with amine groups as a new solid phase for extraction of heavy metal ions including cadmium(II), copper(II), nickel(II), zinc(II), and lead(II). Effects of pH value, flow rates, type, concentration, and volume of the eluent
Chong-hao Bi et al.
Bioresource technology, 185, 185-193 (2015-03-17)
A novel process was developed for converting scum, a waste material from wastewater treatment facilities, to biodiesel. Scum is an oily waste that was skimmed from the surface of primary and secondary settling tanks in wastewater treatment plants. Currently scum
Coralie Charrat et al.
Chembiochem : a European journal of chemical biology, 16(5), 792-804 (2015-02-18)
We describe the formulation of synthetic virus models based on ionic compounds bearing the polymerizable 1,2-dithiolane moiety. First, cationic amphiphiles containing the polymeric inducer were prepared and used to efficiently condense a DNA plasmid (pDNA) into a highly monodisperse population
Björn Harink et al.
Electrophoresis, 36(3), 475-484 (2014-09-30)
We present here a screening method based on a microfluidic platform, which can generate four orthogonal and overlapping concentration gradients of soluble compounds over a monolayer of cells, in combination with automated and in situ image analysis, for use in
Huey Wen Ooi et al.
Analytical biochemistry, 456, 6-13 (2014-04-12)
A novel metal-based chelating method has been used to provide an order of magnitude increase in immunoassay performance on cyclic olefin copolymer (COC) plastics compared with passive binding. COCs are hydrophobic, and without surface modification they are often unsuitable for
Christian Gebauer et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 15(10), 2094-2107 (2014-05-23)
The potential of platinum catalysts supported on pure, nitrogen-, or carbon-doped titania for application in the oxygen reduction reaction (ORR), as a cathode catalyst in polymer electrolyte membrane fuel cells, is investigated. The oxide supports are synthesized by using a
Elham Moniri et al.
Journal of AOAC International, 98(1), 206-212 (2015-04-11)
A simple ion imprinted amino-functionalized sorbent was synthesized by coupling activated carbon with iminodiacetic acid, a functional compound for metal chelating, through cyanoric chloride spacer. The resulting sorbent has been characterized using FTIR spectroscopy, elemental analysis, and thermogravimetric analysis and
Hamid Hashemi-Moghaddam et al.
Journal of AOAC International, 97(5), 1434-1438 (2015-04-24)
A new molecularly imprinted polymer (MIP) was synthesized using methacrylic acid (functional monomer), ethylene glycol dimethacrylate (crosslinker), 2,2'-azobisisobutironitril (initiator), silver (Ag) dithizone complex (template), and chloroform (porogenic solvent). This process was a noncovalent, bulk, thermal radical-polymerization. To compare the performance
Sophea Heng et al.
Analytical biochemistry, 475, 14-21 (2015-01-03)
Embryo implantation requires a healthy embryo and a receptive uterus. In women, the inner lining of the uterus, the endometrium, remains in a hostile state and becomes receptive for embryo implantation for only a short period during each menstrual cycle.
Veronika Cakova et al.
Phytochemical analysis : PCA, 26(1), 34-39 (2014-08-19)
In our continued efforts to contribute to the general knowledge on the chemical diversity of orchids, we have decided to focus our investigations on the Aeridinae subtribe. Following our previous phytochemical study of Vanda coerulea, which has led to the
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