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Showing 1-30 of 189 results for "N7660" within Papers
Junjie Guan et al.
Stem cell research & therapy, 6, 5-5 (2015-01-09)
Urine-derived stem cells (USCs) have the ability to differentiate into osteogenic lineage. Previous studies have raised the possibility that USCs could be used for bone repair. To harness the power of USCs in promoting bone regeneration, methods must be developed
Yuri Park et al.
Journal of colloid and interface science, 406, 196-208 (2013-06-25)
Montmorillonite (MMT) was converted to organoclays by intercalation of cationic surfactants into its interlayer space. Two types of organoclays were prepared from different surfactants (DDTMA and DDDMA) at different surfactant loadings, and the structural changes in the clays investigated using
Diogo Robl et al.
Bioresource technology, 177, 247-254 (2014-12-17)
The aim of this study was to develop a bioprocess for the production of β-glucosidase and pectinase from the fungus Annulohypoxylon stygium DR47. Media optimization and bioreactor cultivation using citrus bagasse and soybean bran were explored and revealed a maximum
Amene Samaei-Nouroozi et al.
Extremophiles : life under extreme conditions, 19(5), 933-947 (2015-07-23)
A haloalkaliphilic solvent-tolerant lipase was produced from Alkalibacillus salilacus within 48 h of growth in liquid medium. An overall 4.9-fold enhanced production was achieved over unoptimized media after medium optimization by statistical approaches. Plackett-Burman screening suggested lipase production maximally influenced
G M Pacifici et al.
British journal of clinical pharmacology, 36(6), 593-597 (1993-12-01)
1 Phenol- and catechol- sulphotransferase activities were measured with p-nitrophenol and dopamine as substrates in platelets obtained from 100 newborns and 100 healthy adults. 2 Mean +/- (s.d.) estimates of catechol sulphotransferase activity were 7.07 +/- 5.93 (adult) and 13.3
Harald P Hoensch et al.
World journal of gastroenterology, 19(36), 6020-6025 (2013-10-10)
To investigate the metabolic enzymatic capacity of the colon mucosa to detoxify noxious carcinogenic compounds. We investigated the activity of 2 conjugating enzymes-the microsomal uridine glucuronosyltransferase (UGT) and the cytosomal glutathione S-transferase (GST) in the uninvolved mucosa of the colon
Rui M F Bezerra et al.
Computer methods and programs in biomedicine, 109(1), 26-31 (2012-10-02)
Enzyme kinetic parameters are usually determined from initial rates nevertheless, laboratory instruments only measure substrate or product concentration versus reaction time (progress curves). To overcome this problem we present a methodology which uses integrated models based on Michaelis-Menten equation. The
Xingchuan Huang et al.
Journal of virology, 89(14), 7202-7213 (2015-05-01)
Human coronavirus (hCoV) HKU1 is one of six hCoVs identified to date and the only one with an unidentified cellular receptor. hCoV-HKU1 encodes a hemagglutinin-esterase (HE) protein that is unique to the group a betacoronaviruses (group 2a). The function of
Christos Pandis et al.
Macromolecular bioscience, 15(2), 262-274 (2014-10-11)
A novel approach to reinforce polymer porous membranes is presented. In the prepared hybrid materials, the inorganic phase of silica is synthesized in-situ and inside the pores of aminolyzed polylactic acid (PLA) membranes by sol-gel reactions using tetraethylorthosilicate (TEOS) and
Yachan Li et al.
Experimental and therapeutic medicine, 10(3), 1089-1095 (2015-12-02)
The aim of the present study was to investigate the underlying mechanism of the Kidney-Yang deficiency (KYD) pattern of osteoporosis in postmenopausal women of a certain age range by comparing the effect of serum from postmenopausal women with osteoporosis exhibiting
Kuan-I Chen et al.
Journal of agricultural and food chemistry, 60(51), 12540-12546 (2012-11-30)
A catalytic system for deglycosylation of isoflavone in black soybean milk was established. β-Glucosidase which was covalently immobilized onto the glass microspheres exhibited a significant efficiency for the conversion of pNPG to p-nitrophenol over other carriers. The optimum temperature for
Chao Lu et al.
Journal of environmental management, 113, 1-6 (2012-09-13)
Various metal ions are present in industrial wastewater. In this study, the role of Cu(2+) in pollutant degradation by laccase and the effect of common metal ions such as Na(+), K(+), Ca(2+), Mg(2+), Zn(2+), Hg(2+), Mn(2+), Fe(2+), Co(2+), Ni(2+), Fe(3+)
Stéphanie Romand et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 63, 14-21 (2014-07-06)
A capillary isoelectric focusing (cIEF) method was developed for the determination of the ionization constants (pKa) of small molecules. Two approaches used to decrease the electroosmotic flow (EOF) were compared: (i) a hydroxypropylcellulose (HPC) coated capillary in aqueous medium and
Karoline Pardun et al.
Journal of biomaterials applications, 30(1), 104-118 (2015-02-24)
An important challenge in the field of dental and orthopedic implantology is the preparation of implant coatings with bioactive functions that feature a high mechanical stability and at the same time mimic structural and compositional properties of native bone for
Vandana Bhalla et al.
Chemical communications (Cambridge, England), 48(97), 11862-11864 (2012-10-09)
Fluorescent nanoaggregates of pentacenequinone derivative serve as reactors for the preparation of palladium nanoparticles in aqueous medium. Further, the combination of catalytic quantities of palladium nanoparticles with NaBH(4) smoothly reduces 4-nitrophenol to 4-aminophenol in aqueous medium.
Juan Tang et al.
Chemical communications (Cambridge, England), 49(15), 1530-1532 (2013-01-17)
Platinum-cerium oxide hybrid nanocatalysts (CeO(2)-Pt) were for the first time designed as bionanolabels for highly efficient electrochemical immunosensing of low-abundance proteins coupling nanocatalyst-based redox cycling with in situ signal amplification strategy.
Karina A Peña et al.
The Biochemical journal, 470(1), 65-76 (2015-08-08)
Transition metal toxicity is an important factor in the pathogenesis of numerous human disorders, including neurodegenerative diseases. Lysosomes have emerged as important factors in transition metal toxicity because they handle transition metals via endocytosis, autophagy, absorption from the cytoplasm and
David C L Lam et al.
Scientific reports, 5, 12945-12945 (2015-08-11)
Cigarette smoke induces injury and neutrophilic inflammation in the airways of smokers. The stability and activity of inflammatory effectors, IL8 and neutrophil elastase (NE), can be prolonged by binding to airway heparan sulfate (HS)/syndecan-1, posing risk for developing chronic obstructive
Mariana Rangel Pereira et al.
PloS one, 10(7), e0133723-e0133723 (2015-07-28)
Lipolytic enzymes have attracted attention from a global market because they show enormous biotechnological potential for applications such as detergent production, leather processing, cosmetics production, and use in perfumes and biodiesel. Due to the intense demand for biocatalysts, a metagenomic
Ragnar Thomsen et al.
Drug testing and analysis, 7(7), 565-576 (2014-10-28)
Synthetic cannabimimetic agents are a large group of diverse compounds which act as agonists at cannabinoid receptors. Since 2004, synthetic cannabinoids have been used recreationally, although several of the compounds have been shown to cause severe toxicity in humans. In
Charline Corre et al.
Environmental technology, 33(13-15), 1671-1676 (2012-09-20)
During biological degradation, such as biofiltration of air loaded with volatile organic compounds, the pollutant is passed through a bed packed with a solid medium acting as a biofilm support. To improve microorganism nutritional equilibrium and hence to enhance the
Alicja Kuban-Jankowska et al.
Oncotarget, 6(21), 18364-18373 (2015-08-20)
YopH is a bacterial protein tyrosine phosphatase, which is essential for the viability and pathogenic virulence of the plague-causing Yersinia sp. bacteria. Inactivation of YopH activity would lead to the loss of bacterial pathogenicity. We have studied the inhibitory properties
Felix Bischoff et al.
Applied and environmental microbiology, 81(16), 5497-5510 (2015-06-07)
The genes ACUT1, ACUT2, and ACUT3, encoding cutinases, were selected from the genomic DNA of Arxula adeninivorans LS3. The alignment of the amino acid sequences of these cutinases with those of other cutinases or cutinase-like enzymes from different fungi showed
Olga E Petrova et al.
Journal of bacteriology, 197(1), 174-187 (2014-10-22)
Biofilm dispersion is a highly regulated process that allows biofilm bacteria to respond to changing environmental conditions and to disseminate to new locations. The dispersion of biofilms formed by the opportunistic pathogen Pseudomonas aeruginosa is known to require a number
Roberto Bravo et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 820(2), 229-236 (2005-05-19)
We have developed a method to measure 12 urinary phenolic metabolites of pesticides or related chemicals. The target chemicals for our method are 2-isopropoxyphenol; 2,4-dichlorophenol; 2,5-dichlorophenol; carbofuranphenol; 2,4,5-trichlorophenol; 2,4,6-trichlorophenol; 3,5,6-trichloro-2-pyridinol; para-nitrophenol, ortho-phenylphenol, pentachlorophenol, 1-naphthol and 2-naphthol. The sample preparation involves
Degradation of p-nitrophenol in aqueous solution by microwave assisted oxidation process through a granular activated carbon fixed bed
Bo L, et al.
Water Research, 40(16), 3061-3068 (2006)
Ji-Cheng Chen et al.
Food chemistry, 186, 256-264 (2015-05-16)
Soy germ rich in isoflavones has attracted much attention for health-promoting characteristics. An effective approach via Monascus aged vinegar soaking was adopted to enhance the aglycone amount. The profiles and interconversion of soy germ isoflavones via Monascus aged vinegar soaking
Masashi Honma et al.
Journal of bone and mineral metabolism, 33(1), 73-84 (2014-01-02)
Recent studies have revealed that osteocytes play multiple important physiological roles. To analyze osteocyte functions in detail, an in vitro experimental system for primary osteocytes would be useful. Unfortunately, osteocytes tend to dedifferentiate and acquire osteoblast-like features even when the
T Osnes et al.
Scandinavian journal of clinical and laboratory investigation, 57(4), 307-315 (1997-07-01)
beta-Glucuronidase of human or bacterial origin may deconjugate bilirubin diglucuronide, causing pigment gallstones. Intrinsic interference by biliary compounds must be minimized for accurate assay of beta-glucuronidase. We report a modified ion-pair extraction of interfering substances by tetrahexylammonium chloride (THAC) in
Liqun Jiang et al.
Bioresource technology, 200, 8-13 (2015-10-18)
Sugars are one of intermediates in the biological and chemical conversion of biomass. The objective of this study was to make comparison of obtaining fermentable sugars by enzymatic hydrolysis and fast pyrolysis of ball milling pretreated cellulose. After ball milling
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