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Sebastian Höss et al.
Environmental toxicology and chemistry, 34(11), 2660-2669 (2015-06-03)
The use of colloidal iron oxide (FeOx) in the bioremediation of groundwater contamination implies its increasing release into the environment and requires an assessment of its ecotoxicological risk. Therefore, microcosm experiments were carried out to investigate the impact of ferrihydrite
Mary Beth Hall et al.
Journal of microbiological methods, 118, 147-151 (2015-09-22)
Microbial glycogen measurement is used to account for fates of carbohydrate substrates. It is commonly applied to washed cells or pure cultures which can be accurately subsampled, allowing the use of smaller sample sizes. However, the nonhomogeneous fermentation pellets produced
Fatima El Aamri et al.
Microbes and infection, 17(4), 258-265 (2014-06-24)
Streptococcus iniae has become one of the most serious aquatic pathogens in the last decade, causing large losses in wild and farmed fish worldwide. There is clear evidence that this pathogen is capable not only of causing serious disease in
Rui Gusmão et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(46), 16474-16478 (2015-10-08)
Fluorographane (C1 Hx F1-x+δ )n is a new member of the graphene family that exhibits hydrophobicity and a large band gap that is tunable based on the level of fluorination. Herein, sensing and energy applications of fluorographane are reported. The
T P Pirog et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 75(3), 32-40 (2013-07-23)
Synthesis of extracellular metabolites with surface-active and emulsifying properties, pH being maintained at the level of 5.8-8.0, in the process of cultivation of Acinetobacter calcoaceticus IMV B-7241 in the medium with ethanol (2%, volume part) was investigated. It is established
Pilar Viñas et al.
Journal of pharmaceutical and biomedical analysis, 94, 173-179 (2014-03-08)
Capillary liquid chromatography (LC) is used for the determination of tocopherols and tocotrienols in cosmetic products. Dispersive liquid-liquid microextraction (DLLME) allows the analytes to be preconcentrated into a very small volume of organic solvent which is then injected into the
Dominic Landgraf et al.
Chronobiology international, 32(3), 416-427 (2014-11-29)
The importance of circadian clocks in the regulation of adult physiology in mammals is well established. In contrast, the ontogenesis of the circadian system and its role in embryonic development are still poorly understood. Although there is experimental evidence that
Yuki Kawai et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 28(11), 1029-1031 (2012-11-15)
The tube radial distribution of solvents was observed in an aqueous ionic liquid mixed solution of 1-butyl-3-methylimidazolium chloride fed into a capillary tube. A phase diagram was constructed with 1-butyl-3-methylimidazolium chloride and potassium hydroxide, which included boundary curves between homogeneous
Fabrice Jean-Pierre et al.
Microbiology (Reading, England), 161(9), 1889-1896 (2015-08-25)
RsmA is a post-transcriptional RNA-binding protein that acts as a pleiotropic global regulator of mRNAs in the opportunistic pathogen Pseudomonas aeruginosa. Upon binding to its target, RsmA impedes the translation of the mRNA by the ribosome. The RsmA regulon affects
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)
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
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
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
Mats Wiedemann et al.
Molecules (Basel, Switzerland), 20(10), 19085-19100 (2015-10-23)
The glucose-lowering effects of lupin seeds involve the combined action of several components. The present study investigates the influence of one of the main quinolizidine alkaloids, lupanine, on pancreatic beta cells and in an animal model of type-2 diabetes mellitus.
Agnieszka Kadej et al.
Dalton transactions (Cambridge, England : 2003), 44(47), 20659-20674 (2015-11-14)
Mononuclear and polynuclear copper(II) complexes of alloferon 1 with point mutations, H1A/H12A H2N-A(1)GVSGH(6)GQH(9)GVA(12)G-COOH, H1A/H9A H2N-A(1)GVSGH(6)GQA(9)GVH(12)G-COOH, and H1A/H6A H2N-A(1)GVSGA(6)GQH(9)GVH(12)G-COOH, have been studied by potentiometric, UV-visible, CD, and EPR spectroscopy, and mass spectrometry (MS) methods. Complete complex speciation at different metal-to-ligand molar
Marzieh Kamankesh et al.
Meat science, 103, 61-67 (2015-01-27)
A simple and rapid analytical tech nique for the simultaneous determination of 16 polycyclic aromatic hydrocarbons (PAHs) in grilled meat was developed using microwave-assisted extraction and dispersive liquid-liquid microextraction (MAE-DLLME) followed by gas chromatography-mass spectrometry (GC-MS). The effective parameters in
Tao Dong et al.
Applied microbiology and biotechnology, 99(23), 10237-10247 (2015-08-16)
Accurate determination of fatty acid contents is routinely required in microalgal and yeast biofuel studies. A method of rapid in situ fatty acid methyl ester (FAME) derivatization directly from wet fresh microalgal and yeast biomass was developed in this study.
Mohamed Montassar Lasram et al.
Environmental toxicology and pharmacology, 38(2), 542-553 (2014-09-03)
Insulin resistance and risk of type 2 diabetes are the most important complications following exposure to organophosphorous (OPs) pesticides. Regarding the importance of liver on metabolic pathways regulation, in particular blood glucose homeostasis, we focused on liver inflammation and oxidative
Hideki Shirakawa et al.
Journal of biomechanics, 46(4), 696-701 (2012-12-25)
We have studied stress relaxation of bovine femoral cortical bone specimens treated with KOH aqueous solution which had been known to degrade selectively protein molecules in bone. With the KOH treatment, we found an increase in specimens' volume. This increase
João Nogueira et al.
Nanomaterials (Basel, Switzerland), 8(12) (2018-12-07)
Porous carbon materials derived from biopolymers are attractive sorbents for the removal of emerging pollutants from water, due to their high specific surface area, high porosity, tunable surface chemistry, and reasonable cost. However, carrageenan biopolymers were scarcely investigated as a
Mélanie Bonizec et al.
Nucleic acids research, 42(17), 10975-10986 (2014-09-04)
Cdc48/p97 is an evolutionary conserved ubiquitin-dependent chaperone involved in a broad array of cellular functions due to its ability to associate with multiple cofactors. Aside from its role in removing RNA polymerase II from chromatin after DNA damage, little is
Jinhui Xu et al.
European journal of drug metabolism and pharmacokinetics, 39(4), 301-310 (2013-12-24)
The extended use of doxorubicin (DOX) could be limited due to the emergence of drug resistance and cardiotoxicity associated with its treatment. Conjugates of DOX with transferrin (DOX-TRF) can effectively alleviate these side effects, thereby leading to a better treatment.
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
Javed Iqbal et al.
Toxicology mechanisms and methods, 24(8), 544-551 (2014-07-26)
Advancement in the field of analytical food-chemistry has explored various experimental techniques for aflatoxins (AFs) quantification. The present study was aimed to compare four different techniques; thin-layer chromatography (TLC), high-performance liquid chromatography (HPLC), liquid chromatography-tandem mass spectrometry (LC-MS/MS) and enzyme-linked
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
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
Linhua Hu et al.
Nanoscale, 11(2), 639-646 (2018-12-20)
Chromium oxides with the spinel structure have been predicted to be promising high voltage cathode materials in magnesium batteries. Perennial challenges involving the mobility of Mg2+ and reaction kinetics can be circumvented by nano-sizing the materials in order to reduce
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
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
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