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372870

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S L Rozanova et al.
Ukrains'kyi biokhimichnyi zhurnal (1999 ), 84(1), 53-59 (2012-06-12)
Experimental data are presented which were obtained under comparative evaluation of influence of different freezing-thawing conditions on antioxidant properties of isolated proteins: human serum albumin, cytochrome c from the horse heart and glucose oxidase from Aspergillus niger. The observed protein...
Andrew C Holloway et al.
Metallomics : integrated biometal science, 4(12), 1280-1286 (2012-11-10)
Few attempts have been made to improve the activity of plant compounds with low antimicrobial efficacy. (+)-Catechin, a weak antimicrobial tea flavanol, was combined with putative adjuncts and tested against different species of bacteria. Copper(II) sulphate enhanced (+)-catechin activity against...
Aleksandra Tubić et al.
Journal of environmental management, 118, 153-160 (2013-02-23)
Natural organic matter (NOM) in raw water can contribute in many ways to the poor quality of drinking water, including the formation of disinfection byproducts such as trihalomethanes (THM) and haloacetic acids (HAA) during disinfection. This paper investigates the role...
Gulsen Tel et al.
Pharmaceutical biology, 53(6), 824-830 (2015-02-28)
Recently, mushrooms are interesting natural products to be investigated due to exhibiting various bioactivities. This study determines the antioxidant and anticholinesterase activities of various extracts of five wild mushroom species. In addition, the total bioactive contents, namely, ascorbic acid, β-carotene...
Laurean Ilies et al.
Journal of the American Chemical Society, 134(41), 16951-16954 (2012-10-05)
Diarylalkynes are chemo- and stereoselectively hydromagnesiated in high yields at room temperature with an iron species generated in situ from FeCl(2)and EtMgBr. Functional groups such as bromide, iodide, amine, phenoxide, and alkene are well tolerated. Under similar conditions, diynes are...
Soohwan Yum et al.
Fitoterapia, 103, 55-62 (2015-03-24)
We investigated a potential molecular target for anti-colitic effects of esculetin, 6,7-dihydroxycoumarin. Esculetin administered rectally effectively ameliorated TNBS-induced rat colitis and attenuated the expression of pro-inflammatory mediators in the inflamed colon. In human colon carcinoma HCT116 cells, esculetin induced hypoxia-inducible...
Min-Chao Dai et al.
Neuroscience letters, 536, 41-46 (2013-01-19)
Necroptosis was reported as one backup way of programmed cell death when apoptosis was blocked, and the receptor interacting protein 1 was considered as the key necroptosis regulator protein. Here, we report the neuroprotective effects of curcumin which attenuates necroptosis....
Remya P Narayanan et al.
Biomacromolecules, 13(8), 2465-2471 (2012-07-11)
Biocompatible photoresponsive materials are of interest for targeted drug delivery, tissue engineering, 2D and 3D protein patterning, and other biomedical applications. We prepared light degradable hydrogels using a natural alginate polysaccharide cross-linked with iron(III) cations. The "hard" iron(III) cations used...
Maryam Shanehsaz et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 149, 481-486 (2015-05-16)
The present work deals with the first attempt to study the removal of synthetic textile dye, reactive blue 19 (RB19), using the magnetic Fe3O4 nanoparticles modified by pyrrole (PPy@Fe3O4 MNPs) as an efficient adsorbent. The nanoadsorbent was synthesized using chemical...
Chih-Chien Lin et al.
Journal of food science, 77(1), C95-101 (2012-01-21)
The fermented soybean-based foods have played an important role in traditional diets around the world for many centuries, and Bacillus subtilis is typically used in the fermentation of soybean-based foods. The fermentation process may improve not only the flavor but...
Huanfeng Jiang et al.
Chemical communications (Cambridge, England), 48(39), 4698-4700 (2012-04-05)
We have discovered a novel PdCl(2)-FeCl(2) catalyzed cascade cyclization reaction, which involves a novel acyl rearrangement process. This reaction affords a diverse set of poly-substituted 4H-cyclopenta[c]furan products. The reaction scope of this cascade process is quite broad and various internal...
Zhila Azari et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 153, 599-604 (2015-10-07)
In this study, mixed hemimicelles solid-phase extraction (SPE) based on sodium dodecyl sulfate (SDS)-coated nano-magnets Fe3O4 was investigated as a novel method for the separation and determination of Fingolimod (FLM) in water, urine and plasma samples prior to spectrophotometeric determination....
Gustavo A Molina et al.
Polymers, 12(4) (2020-04-15)
In this study, new polyurethanes (PUs) were prepared by using inulin and polycaprolactone as polyols. Their structure and morphology were determined by Fourier transform infrared spectroscopy (FTIR), Raman dispersive spectroscopy, Nuclear magnetic resonance spectroscopy (1H NMR and 13C NMR), and...
M Chalamaiah et al.
Journal of food science and technology, 52(9), 5817-5825 (2015-09-08)
Previously, we have reported the composition, molecular mass distribution and in vivo immunomodulatory effects of common carp roe protein hydrolysates. In the current study, antioxidative activity and functional properties of common carp (Cyprinus carpio) roe (egg) protein hydrolysates, prepared by...
Chunli Zheng et al.
International journal of pharmaceutics, 475(1-2), 17-24 (2014-08-28)
In this study, magneto-responsive polyelectrolyte multilayer microcapsules were successfully prepared by the formation of shell with biocompatible iron oxide nanoparticles (Fe₃O₄ NPs) and polyallylamine hydrochloride (PAH) by layer-by-layer (LbL) self-assembly technique. The self-assembled microcapsules were characterized by SEM, TEM and...
Behnam Ebrahimpour et al.
Analytica chimica acta, 885, 98-105 (2015-08-02)
The aim of the present work is combination of the advantages of magnetic solid phase extraction (MSPE) and dispersive liquid phase microextraction (DLLME) followed by filtration-based phase separation. A new pretreatment method was developed for trace determination of megestrol acetate...
Hai-Bo He et al.
Journal of chromatography. A, 1361, 23-33 (2014-08-31)
This paper reports a nanomagnetic polyhedral oligomeric silsesquioxanes (POSS)-directing strategy toward construction of molecularly imprinted hybrid materials for antibiotic residues determination in milk samples. The imprinted polymeric layer was facilely obtained through the copolymerization of active vinyl groups present on...
Angéla Hajdú et al.
Colloids and surfaces. B, Biointerfaces, 94, 242-249 (2012-03-01)
Magnetite nanoparticles (MNPs) were prepared by alkaline hydrolysis of Fe(II) and Fe(III) chlorides. Adsorption of polyacrylic acid (PAA) on MNPs was measured at pH=6.5±0.3 and I=0.01 M (NaCl) to find the optimal PAA amount for MNP stabilization under physiological conditions....
Yolanda Osuna et al.
Bioprocess and biosystems engineering, 38(8), 1437-1445 (2015-03-12)
Aspergillus niger lipase immobilization by covalent binding on chitosan-coated magnetic nanoparticles (CMNP), obtained by one-step co-precipitation, was studied. Hydroxyl and amino groups of support were activated using glycidol and glutaraldehyde, respectively. Fourier transform infrared spectrometry, high-resolution transmission electron microscopy and...
Yimin et al.
Biological & pharmaceutical bulletin, 35(12), 2214-2223 (2012-09-26)
The healthy drink Pairogen is mainly composed of ferrous ferric chloride water that reportedly changes the status of intracellular water from oxidative to antioxidative. Here, we investigated whether Pairogen affects host immune function in a murine model of granulomatous inflammation...
Hui Zhang et al.
Biosensors & bioelectronics, 74, 872-877 (2015-08-05)
Salmonella typhimurium and Staphylococcus aureus are most common causes of food-associated disease. A Raman based biosensor was developed for S. typhimurium and S. aureus detection simultaneously. The biosensor was based on nanoparticles enhanced Raman intensity and the specific recognition of...
Cuilian Tao et al.
Dalton transactions (Cambridge, England : 2003), 43(41), 15482-15490 (2014-09-06)
Magnetic mesoporous silica (MMS) nanoparticles with controllable magnetization have been synthesized by encapsulating Fe3O4 nanoparticles in a mesoporous silica matrix. The structure, magnetic heating capacity and drug delivery ability of MMS nanoparticles were evaluated. The results showed that MMS nanoparticles...
Masood Shokri et al.
Analytica chimica acta, 889, 123-129 (2015-09-08)
For the first time, a simple and efficient in situ emulsification microextraction method using a dicationic ionic liquid followed by magnetic assisted physisorption was presented to determine trace amounts of lead. In this method, 400 μL of 1.0 mol L(-1)...
Erik N Taylor et al.
Small (Weinheim an der Bergstrasse, Germany), 8(19), 3016-3027 (2012-07-11)
Bacterial infections caused by antibiotic-resistant strains are of deep concern due to an increasing prevalence, and are a major cause of morbidity in the United States of America. In particular, medical device failures, and thus human lives, are greatly impacted...
K Bhattacharya et al.
Dalton transactions (Cambridge, England : 2003), 44(19), 9221-9229 (2015-04-25)
Research on energy storage devices has created a niche owing to the ever increasing demand for alternative energy production and its efficient utilisation. Here, a novel composite of Fe3O4 nanospheres and carbon quantum dots (C-dots) have been synthesized by a...
David G Hilmey et al.
The Journal of organic chemistry, 69(10), 3262-3270 (2004-05-11)
The preparation of bipyridine and terpyridine ligands covalently linked via acetylenic and alkoxy tethers to rigid inositol orthoformate platforms is described. The constitution of compounds 3-6 is such that latent exo- and endo-receptor properties are simultaneously present with specific binding...
Ali Shakeri-Zadeh et al.
Journal of biomaterials applications, 29(4), 548-556 (2014-06-11)
The purpose of this study was to create an optimized method for preparation of 5-fluorouracil-loaded magnetic poly lactic-co-glycolic acid nanocapsules and to investigate its potential as multifunctional carriers to deliver therapeutic agents for tumor-targeted therapies. The in vitro release of...
Sirinrath Sirivisoot et al.
International journal of nanomedicine, 10, 4447-4458 (2015-07-18)
To extend the external control capability of drug release, iron oxide nanoparticles (NPs) encapsulated into polymeric microspheres were used as magnetic media to stimulate drug release using an alternating magnetic field. Chemically synthesized iron oxide NPs, maghemite or hematite, and...
Huan Liu et al.
Huan jing ke xue= Huanjing kexue, 32(11), 3394-3399 (2012-02-03)
Performances of different sludge conditioners are difficult to evaluate due to the use of various evaluation indexes. Taking several traditional sludge conditioners, e.g. PAM, FeCl3 and inorganic composite conditioners as examples and five evaluation indexes include specific resistance to filtration...
Maja Kozarski et al.
Food & function, 6(6), 1875-1886 (2015-05-07)
The methanolic extract of the wild edible mushroom Cantharellus cibarius Fr. (chanterelle) was analyzed for in vitro antioxidative, cytotoxic, antihypertensive and antibacterial activities. Various primary and secondary metabolites were found. Phenols were the major antioxidant components found in the extract...
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