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Ana Freitas et al.
Journal of the science of food and agriculture, 95(1), 44-52 (2014-05-24)
The industrial processing of pineapple generates a high quantity of by-products. To reduce the environmental impact of these by-products and the inherent cost of their treatment, it is important to characterise and valorise these products, converting them into high added...
Abdulreza Mashroofeh et al.
Chemosphere, 120, 575-583 (2014-12-03)
The levels of 16 polycyclic aromatic hydrocarbons (PAHs) were determined in the liver, kidney, gills and muscle tissues of Persian sturgeon (Acipenser persicus; n=16), and Stellate sturgeon (Acipenser stellatus; n=7) collected from coastal waters of the South Caspian Sea from...
Nina Firl et al.
Clinical chemistry and laboratory medicine, 51(4), 799-810 (2012-09-26)
Knowledge of the fatty acid composition of lipid classes in human plasma is an important factor in the investigation of human metabolism. Therefore, a method for the analysis of neutral lipid (NL), phospholipid (PL) and free fatty acids (FFA) in...
Umesh Chandra Naik et al.
Mutation research. Genetic toxicology and environmental mutagenesis, 762, 9-16 (2014-02-15)
The present study compares in vitro toxicity of electroplating effluent after the batch treatment process with that obtained after the sequential treatment process. Activated charcoal prepared from sugarcane bagasse through chemical carbonization, and tolerant indigenous bacteria, Bacillus sp. strain IST105...
Alex Evangelista do Amaral et al.
European journal of medicinal chemistry, 90, 732-741 (2014-12-17)
The parasites of the genus Leishmania cause a range of leishmaniasis diseases, whose treatment is impaired due to intramacrophage parasites living in the mammalian host. Immunostimulation has been considered an important strategy to leishmaniasis treatment. The immunomodulatory effects of the...
P Fernández et al.
Journal of applied toxicology : JAT, 35(4), 418-425 (2014-08-06)
Opioids and cocaine are widely used at present, both for recreational purposes and as drugs of abuse. This raises the need to develop new analytical methods specifically designed for the simultaneous detection of several drugs of abuse in biological samples....
Delwen L Franzen et al.
Journal of neurophysiology, 113(2), 524-536 (2014-10-31)
Passive and active membrane properties determine the voltage responses of neurons. Within the auditory brain stem, refinements in these intrinsic properties during late postnatal development usually generate short integration times and precise action-potential generation. This developmentally acquired temporal precision is...
Brian M De Borba et al.
Journal of chromatography. A, 1369, 131-137 (2014-12-03)
An ion chromatography (IC) method was developed for the simultaneous determination of total nitrogen and total phosphorus after alkaline persulfate digestion. This study takes advantage of advances in construction of high-resolution, high-capacity anion-exchange columns that can better tolerate the matrices...
Thayyath Sreenivasan Anirudhan et al.
Carbohydrate polymers, 93(2), 518-527 (2013-03-19)
A novel adsorbent, poly(methacrylic acid-co-vinyl sulfonic acid)-grafted-magnetite nanocellulose composite (P(MAA-co-VSA)-g-MNCC) was synthesized for adsorbing hemoglobin (Hb) selectively from aqueous solutions. FTIR, XRD and DLS analyses were carried out to characterize the material. Hb exhibited a decrease in α-helix and an...
Eudald Casals et al.
Small (Weinheim an der Bergstrasse, Germany), 10(14), 2801-2808 (2014-04-03)
A novel concept of dosing iron ions using Fe3O4 engineered nanoparticles is used to improve biogas production in anaerobic digestion processes. Since small nanoparticles are unstable, they can be designed to provide ions in a controlled manner, and the highest...
Burce Can et al.
The Journal of dermatological treatment, 25(3), 246-248 (2012-05-30)
Molluscum contagiosum (MC) is a common cutaneous viral infection of the skin that is frequently seen in children. Although lesions can resolve spontaneously, treatment is mandatory because of the psychological effect of widespread lesions in children. Potassium hydroxide (KOH) is...
Daniel Jenson et al.
Neuropharmacology, 90, 23-32 (2014-12-03)
Attention-deficit hyperactive disorder (ADHD) is the most commonly studied and diagnosed psychiatric disorder in children. Methylphenidate (MPH, e.g., Ritalin) has been used to treat ADHD for over 50 years. It is the most commonly prescribed treatment for ADHD, and in...
Zheng Tian et al.
Langmuir : the ACS journal of surfaces and colloids, 30(41), 12411-12420 (2014-09-25)
Carbon films with interdigitated bimodal three-dimensionally ordered mesoporosity (ib3DOm) are realized by a scalable nanoreplication process that removes the common need plaguing hard-templating strategies for multistep prefabrication of porous sacrificial templates. Specifically, evaporation-induced convective codeposition of size-tunable (ca. 20-50 nm)...
Fei Yu et al.
Journal of hazardous materials, 237-238, 102-109 (2012-09-12)
To investigate the effect of pore structure and surface chemistry on adsorption of monoaromatics, multi-walled carbon nanotubes (MWCNTs) with different specific surface area (SSA) and surface oxygen content by KOH activation treatment have been prepared. The results indicate that adsorption...
Byung-Man Kwak et al.
Food chemistry, 165, 569-574 (2014-07-21)
A rapid and simple sample preparation method for vitamin D3 (cholecalciferol) was developed for emulsified dairy products such as milk-based infant formulas. A sample was mixed in a 50 mL centrifuge tube with the same amount of water and isopropyl...
Rui-Lin Liu et al.
The Analyst, 137(21), 5135-5143 (2012-09-13)
A rapid and practical microwave-assisted one-step extraction-derivatization (MAED) method was developed for gas chromatography-mass spectrometry analysis of fatty acids profile in herbal medicine. Several critical experimental parameters for MAED, including reaction temperature, microwave power and the amount of derivatization reagent...
The solubility and diffusion coefficient of oxygen in potassium hydroxide solutions.
Davis RE, et al.
Electrochimica Acta, 12 (3), 287-289 (1967)
Nhung T T Dang et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(2), 406-414 (2014-06-03)
Polycaprolactone (PCL) matrices were simultaneously loaded with the antiviral agents, tenofovir (TFV) and nevirapine (NVP), in combination to provide synergistic activity in the prevention of HIV transmission through the vaginal route. TFV and NVP were incorporated in PCL matrices at...
Janetta V Korneva et al.
Parasitology research, 114(5), 1829-1838 (2015-04-10)
The organization and fine structure of the complex copulatory apparatus of Tetrabothrius erostris (Tetrabothriidea) is investigated by light and transmission electron microscopy. A diversity of microstructures was found on the surface of genital ducts. The apical surfaces of male gonadoducts...
Kinetics of depolymerization of poly (ethylene terephthalate) in a potassium hydroxide solution.
Industrial & Engineering Chemistry Research, 40 (2), 509-514 (2001)
James Townsend et al.
ACS nano, 8(7), 6970-6978 (2014-06-21)
We report the fabrication of flexible chains of ferromagnetic Ni nanoparticles that possess the ability to adapt other than the typically observed rigid (nearly) straight configurations in the absence of an external magnetic field. The dynamic mobility of the ferromagnetic...
Yuying Suo et al.
Journal of molecular biology, 427(4), 887-900 (2014-12-24)
During export in Escherichia coli, SecB, a homotetramer structurally organized as a dimer of dimers, forms a complex with two protomers of SecA, which is the ATPase that provides energy to transfer a precursor polypeptide through the membrane via the...
Evanthia Tambosis et al.
International journal of dermatology, 51(8), 935-938 (2012-07-14)
The cheapest, most rapid method for the diagnosis of mycotic skin and nail infections is direct examination of samples using a KOH preparation. The standard KOH wet mount lacks a color contrast. Various contrast dyes are available. Parker ink is...
Fen Li et al.
Environmental technology, 35(17-20), 2575-2581 (2014-08-26)
Sludge-activated carbons (SACs) prepared with excess of activated sludge are used to solve the problems of sludge disposal and odour pollution in a sewage treatment plant. For the preparation, ZnCl2, KOH and H2SO4 are used as activators, respectively. The structure...
Marta Calatayud et al.
Archives of toxicology, 89(4), 555-564 (2014-05-28)
Chronic exposure to inorganic arsenic (As) is associated with type 2 diabetes, cardiovascular diseases and cancer. Ingested inorganic As is transformed within the gastrointestinal tract and can give rise to more toxic species such as monomethylarsonous acid [MMA(III)] and dimethylarsinous...
Ratchanee Kongkachuichai et al.
Food chemistry, 173, 838-846 (2014-12-04)
Evidence from epidemiological studies has strongly suggested that diets rich in fruits and vegetables play a vital role in disease prevention. The aim of this study was to determine nutrient and antioxidant content for 15 varieties of indigenous vegetables and...
Aniko Krumbholz et al.
Drug testing and analysis, 6(11-12), 1108-1116 (2014-11-13)
Clenbuterol is a well-established β2-agonist, which is prohibited in sports and strictly regulated for use in the livestock industry. During the last few years clenbuterol-positive results in doping controls and in samples from residents or travellers from a high-risk country...
Ann C Babtie et al.
Organic & biomolecular chemistry, 10(40), 8095-8101 (2012-07-27)
The hydrolytic reactions of sulfonate esters have previously been considered to occur by concerted mechanisms. We now report the observation of a break in a Brønsted correlation for the alkaline hydrolysis of aryl benzenesulfonates. On either side of a break-point...
A Mtibe et al.
Carbohydrate polymers, 118, 1-8 (2014-12-30)
Cellulose nanocrystals (CNCs) and cellulose nanofibres (CNFs) were successfully extracted from cellulose obtained from maize stalk residues. A variety of techniques, such as Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD) and thermogravimetric analysis (TGA) were...
Yu Zhou et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(16), 5237-5242 (2015-04-08)
To probe structure and gating-associated conformational changes in BK-type potassium (BK) channels, we examined consequences of Cd(2+) coordination with cysteines introduced at two positions in the BK inner pore. At V319C, the equivalent of valine in the conserved Kv proline-valine-proline...
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