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Showing 1-30 of 202 results for "241326" within Papers
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
Anna I Astashkina et al.
Biomaterials, 35(24), 6323-6331 (2014-05-13)
Nanocarriers and nanoparticles remain an intense pharmaceutical and medical imaging technology interest. Their entry into clinical use is hampered by the lack of reliable in vitro models that accurately predict in vivo toxicity. This study evaluates a 3-D kidney organoid
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
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
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
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
Alicia Salerno et al.
Chemico-biological interactions, 267, 57-66 (2016-05-01)
Organophosphorus compounds (OP), which mainly penetrate via the percutaneous pathway, represent a threat for both military and civilians. Body surface decontamination is vital to prevent victims poisoning. The development of a cost-effective formulation, which could be efficient and easy to
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
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
Mai Shimizu et al.
Drug metabolism and disposition: the biological fate of chemicals, 42(7), 1103-1109 (2014-04-23)
Esterases catalyze the hydrolysis of therapeutic drugs containing esters or amides in their structures. Human carboxylesterase (CES) and arylacetamide deacetylase (AADAC) are the major enzymes that catalyze the hydrolysis of drugs in the liver. Characterization of the enzyme(s) responsible for
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
Shubo Tian et al.
Nature communications, 6, 8667-8667 (2015-10-21)
Revealing structural isomerism in nanoparticles using single-crystal X-ray crystallography remains a largely unresolved task, although it has been theoretically predicted with some experimental clues. Here we report a pair of structural isomers, Au38T and Au38Q, as evidenced using electrospray ionization
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
Azrina Md Ralib et al.
Critical care (London, England), 18(6), 601-601 (2014-11-05)
Acute Kidney Injury (AKI) biomarker utility depends on sample timing after the onset of renal injury. We compared biomarker performance on arrival in the emergency department (ED) with subsequent performance in the intensive care unit (ICU). Urinary and plasma Neutrophil
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
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
Minghuan Wang et al.
Nanoscale, 5(17), 7913-7919 (2013-07-16)
Herein, we report the preparation of poly (cyclotriphosphazene-co-4,4'-sulfonyldiphenol) (PZS) nanotubes decorated with Ag nanoparticles (NPs). The PZS nanotubes have been synthesized firstly via an in situ template approach, and then Ag nanoparticles were prepared via in situ reduction of AgNO3
Chiara Barnaba et al.
Food research international (Ottawa, Ont.), 98, 20-33 (2017-06-15)
Vitis vinifera is one of the most widespread grapevines around the world representing the raw material for high quality wine production. The availability of more resistant interspecific hybrid vine varieties, developed from crosses between Vitis vinifera and other Vitis species
Min-Quan Yang et al.
Nanoscale, 7(43), 18062-18070 (2015-09-26)
Considerable effort has been made to fabricate graphene (GR)/semiconductor composite photocatalysts, by using graphene oxide (GO) as the most widely used precursor of GR, toward an improved efficacy of solar energy conversion. However, thus far, the role of GO in
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
Sandeep A Chaudhari et al.
International journal of biological macromolecules, 79, 398-404 (2015-05-20)
Cutin a polymeric biological macromolecule made up of esterified polyacids which acts as an inducer of cutinase. The present work was based on screening and characterization of newer cutin source from the agro industrial wastes as inducers of cutinase production
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
Gian Maria Pacifici
Early human development, 81(7), 573-581 (2005-07-13)
Sulfotransferase is an important enzyme family that catalyses the transfer of a sulfate group from a donor substrate, 3'-phosphoadenosine-5'-phosphosulphate (PAPS), to an acceptor substrate which may be a drug, a hormone or a neurotransmitter that possesses a hydroxy or an
Taek Ho Yang et al.
Applied biochemistry and biotechnology, 177(7), 1553-1564 (2015-09-18)
Photobacterium lipolyticum M37 lipase (LipM37) was immobilized on the surface of intracellular polyhydroxybutyrate (PHB) granules in Escherichia coli. LipM37 was genetically fused to Cupriavidus necator PHA synthase (PhaC Cn ), and the engineered PHB operon containing the lip M37 -phaC
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+)
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
A M Rossi et al.
International journal of clinical pharmacology and therapeutics, 42(10), 561-567 (2004-11-02)
Human sulfotransferases catalyze sulfate conjugation and 2 polymorphic genes, SULT1A1 and SULT1A2 in this family of transferases have been identified, encoding for 2 isoenzymes with very similar properties and substrate specificities. In order to test the hypothesis that variability in
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.
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