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Showing 31-60 of 93 results for "216224" within Papers
Chakkrid Sattayatewa et al.
Water environment research : a research publication of the Water Environment Federation, 83(8), 675-683 (2011-09-13)
The purpose of this study was to develop simple, accurate, and inexpensive measurement protocols for dissolved organic nitrogen (DON) and dissolved non-reactive phosphorus (DNRP) at low levels in wastewater effluents. Two protocols are presented--one to measure DON exclusively, and the
S Rudnick-Glick et al.
Journal of nanobiotechnology, 13, 80-80 (2015-11-19)
Bisphosphonate (BP) compounds are widely used in the treatment of bone disorders. This group of drugs with a high affinity to Ca(+2) ions is rapidly attracted to bone mineral, especially in areas of high resorption. We have engineered unique biodegradable
Kwang Jin Lee et al.
Journal of analytical methods in chemistry, 2014, 150509-150509 (2014-11-12)
The Acer tegmentosum (3 kg) was extracted using hot water, and the freeze-dried extract powder was partitioned successively using dichloromethane (DCM), ethyl acetate (EA), butyl alcohol (n-BuOH), and water. From the EA extract fraction (1.24 g), five phenolic compounds were isolated by
Chariya Kaewsaneha et al.
ACS applied materials & interfaces, 7(42), 23373-23386 (2015-10-07)
Fluorescent-magnetic particles (FMPs) play important roles in modern materials, especially as nanoscale devices in the biomedical field. The interesting features of FMPs are attributed to their dual detection ability, i.e., fluorescent and magnetic modes. Functionalization of FMPs can be performed
Deepak Mishra et al.
The Journal of pharmacy and pharmacology, 66(8), 1082-1093 (2014-03-20)
The present study was focused to prepare controlled release glycyrrhizin (GL) conjugated low molecular weight chitosan nanoparticles (CS-NPs) for liver targeting. The hydrophilic antiretroviral drug lamivudine was chosen as a model drug and encapsulated within glycyrrhizin conjugated low molecular weight
Subramanian Gokulakrishnan et al.
Journal of hazardous materials, 213-214, 19-27 (2012-02-22)
In this study, degradation of Malachite green (MG) (10mg/L) by Potassium persulphate (KPS) (1 g/L), and KPS in presence of (1,8-dimethyl-1,3,6,8,10,13-hexaazacyclotetradecane) nickel(II) perchlorate (complex1), (200 μM), was investigated by spectrophotometric and HPLC methods. KPS alone had ability to degrade MG.
Harriet Mörtstedt et al.
Journal of proteome research, 14(2), 860-873 (2014-12-30)
Hairdressers have an increased risk for developing airway symptoms, for example, asthma and rhinitis. Persulfates, which are oxidizing agents in bleaching powder, are considered important causal agents for these symptoms. However, the underlying mechanisms are unclear. The aim was therefore
Fuyou Du et al.
Analytica chimica acta, 845, 45-52 (2014-09-10)
In this publication, a novel solid phase microextraction (SPME) coating functionalized with a DNA aptamer for selective enrichment of a low abundance protein from diluted human plasma is described. This approach is based on the covalent immobilization of an aptamer
Yuchen Guo et al.
Molecules (Basel, Switzerland), 24(8) (2019-04-28)
Pterygoplichthys disjunctivus, locally named the armoured catfish, is a by-catch of tilapia fishing that accounts for up to 80% of total captured fish in the Adolfo Lopez Mateos dam, in Michoacán, México, affecting the economy of its surrounding communities. This
Letícia Caramori Cefali et al.
Journal of AOAC International, 98(5), 1340-1345 (2015-11-04)
Lycopene is a carotenoid found in tomatoes with potent antioxidant activity. The aim of the study was to obtain an extract containing lycopene from four types of tomatoes, validate a quantification method for the extracts by HPLC, and assess its
Toughening polystyrene by core-shell grafting copolymer polybutadiene-graft-polystyrene with potassium persulfate as initiator.
Di Cai G, et al.
Journal of Industrial and Engineering Chemistry (Amsterdam, Netherlands), 19(3), 823-828 (2013)
Margriet Hoekstra et al.
Contact dermatitis, 66(6), 317-322 (2012-05-10)
Persulfates have been reported to cause both delayed-type and immediate skin reactions. They may also cause immediate reactions of the mucous membranes of the bronchial system through inhalation, leading to asthma and rhinitis. Anaphylactic reactions caused by contact with persulfates
Julio C Garay-Jimenez et al.
Bioorganic & medicinal chemistry letters, 21(15), 4589-4591 (2011-06-28)
We describe a method to obtain purified, polyacrylate nanoparticles in a homogeneous powdered form that can be readily reconstituted in aqueous media for in vivo applications. Polyacrylate-based nanoparticles can be easily prepared by emulsion polymerization using a 7:3 mixture of
Kuo-Sheng Lee et al.
Neuron, 101(3), 421-428 (2019-01-20)
Callosal projections are thought to play a critical role in coordinating neural activity between the cerebral hemispheres in placental mammals, but the rules that govern the arrangement of callosal synapses on the dendrites of their target neurons remain poorly understood.
Ana M S Maia et al.
Carbohydrate polymers, 90(2), 778-783 (2012-07-31)
The present study aimed to study the reaction conditions of grafting of acrylamide on xanthan gum. It was analyzed the influence of reaction conditions, mainly type of initiator activation, initiator concentration and initiator/acrylamide ratio, on graft parameters and copolymer properties.
Xiaonan Sui et al.
Food chemistry, 163, 163-170 (2014-06-11)
The stability of two cyanidin-based anthocyanins from black rice in an aqueous system containing them with a pH range of 2.2-6.0 was investigated at temperatures ranging from 100 to 165°C. Within these pH and temperature ranges, the stability of the
Tamara Sotelo et al.
PloS one, 9(9), e107290-e107290 (2014-09-10)
Brassica vegetables possess high levels of antioxidant metabolites associated with beneficial health effects including vitamins, carotenoids, anthocyanins, soluble sugars and phenolics. Until now, no reports have been documented on the genetic basis of the antioxidant activity (AA) in Brassicas and
Su Yun Lee et al.
Food chemistry, 165, 157-166 (2014-07-21)
In this study, a comprehensive metabolite profile analysis of doenjang, a fermented soybean paste, at various steps of its industrial 5-step production process was conducted, by combining gas and liquid chromatography-mass spectrometry techniques with multivariate analysis. From the partial least
Mehmet Boğa et al.
Zeitschrift fur Naturforschung. C, Journal of biosciences, 69(9-10), 381-390 (2015-02-26)
Two endemic Cirsium species, C. leucopsis DC. and C. sipyleum O. Schwarz, and C. eriophorum (L.) Scop. growing in Turkey were investigated to establish their secondary metabolites, fatty acid compositions, and antioxidant and anticholinesterase potentials. Spectroscopic methods were used to
Zhiyong Yang et al.
The Journal of organic chemistry, 77(16), 7086-7091 (2012-07-28)
Nontransition metal-catalyzed synthesis of 2-aryl benzothiazoles was achieved through K(2)S(2)O(8)-mediated oxidative condensation of benzothiazoles with aryl aldehydes. The same transformation can also be effected when the aryl aldehydes were replaced with phenylglyoxylic acids.
J P Dzoyem et al.
Journal of ethnopharmacology, 160, 194-201 (2014-12-06)
Oxidative stress and inflammatory conditions are among the pathological features associated with the central nervous system in Alzheimer׳s disease. Traditionally, medicinal plants have been used to alleviate inflammation, pains and also other symptoms possibly associated with Alzheimer׳s disease. Therefore, the
Ana Carolina Mazarin de Moraes et al.
International journal of nanomedicine, 10, 6847-6861 (2015-11-21)
Methicillin-resistant Staphylococcus aureus (MRSA) has been responsible for serious hospital infections worldwide. Nanomaterials are an alternative to conventional antibiotic compounds, because bacteria are unlikely to develop microbial resistance against nanomaterials. In the past decade, graphene oxide (GO) has emerged as
Eva Helaskoski et al.
Contact dermatitis, 72(1), 20-32 (2014-10-08)
Little is known about the use of prick tests with chemicals in diagnosing occupational diseases. To evaluate the use of prick tests in the diagnosis of occupational contact urticaria, asthma and rhinitis caused by chemicals (undertaken at the Finnish Institute
Masami Fukushima et al.
Molecules (Basel, Switzerland), 17(1), 48-60 (2011-12-24)
The influence of halogen substituents on the catalytic oxidation of 2,4,6-trihalogenated phenols (TrXPs) by iron(III)-porphyrin/KHSO₅ catalytic systems was investigated. Iron(III)-5,10,15,20-tetrakis(p-hydroxyphenyl)porphyrin (FeTHP) and its supported variants were employed, where the supported catalysts were synthesized by introducing FeTHP into hydroquinone-derived humic acids
Preliminary study of the relationship between water absorbency and zeta potentials of crosslinked poly(acrylic acid).
Liren Fan et al.
Journal of controlled release : official journal of the Controlled Release Society, 152 Suppl 1, e260-e262 (2011-12-27)
Monika Gosecka et al.
Colloid and polymer science, 289(13), 1511-1518 (2011-09-06)
Optical properties of polymer microspheres with polystyrene cores and polyglycidol-enriched shells poly(styrene/α-tert-butoxy-ω-vinylbenzyl-polyglycidol) (P(S/PGL) particles with number average diameters D(n) determined by scanning electron microscopy equal 237 and 271 nm), were studied before and after immobilization of ovalbumin. The particles were synthesized
Farid Dahmoune et al.
Food chemistry, 166, 585-595 (2014-07-24)
Phytochemicals, such as phenolic compounds, are of great interest due to their health-benefitting antioxidant properties and possible protection against inflammation, cardiovascular diseases and certain types of cancer. Maximum retention of these phytochemicals during extraction requires optimised process parameter conditions. A
Liping Zhang et al.
Materials science & engineering. C, Materials for biological applications, 58, 724-729 (2015-10-20)
A new kind of polyelectrolyte complex (PEC) based on cationic chitosan (CS) and anionic poly(2-acry1amido-2-methylpropanesulfonic acid) (PAMPS) was prepared using a polymer-monomer pair reaction system. Chitosan was mixed with 2-acry1amido-2-methylpropanesulfonic acid) (AMPS) in an aqueous solution, followed by polymerization of
Harriet Mörtstedt et al.
Rapid communications in mass spectrometry : RCM, 25(2), 327-340 (2010-12-31)
Oxidative stress has been suggested as an underlying mechanism of many human diseases. However, definitive evidence for this association has not been presented due to different shortcomings of the methods used to measure biomarkers of oxidative stress. Persulfates are oxidizing
E Espino-Pérez et al.
Carbohydrate polymers, 135, 256-266 (2015-10-11)
Cellulose nanocrystals (CNC) and starch nanocrystals (SNC) were grafted by ozone-initiated free-radical polymerisation of styrene in a heterogeneous medium. Surface functionalisation was confirmed by infrared spectroscopy, contact angle measurements, and thermogravimetric and elemental analysis. X-ray diffraction and scanning electron microscopy
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