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Showing 1-30 of 72 results for "185310" within Papers
Arik Dahan et al.
Molecular pharmaceutics, 11(12), 4385-4394 (2014-11-05)
The efficacy of chemotherapeutic drugs is often offset by severe side effects attributable to poor selectivity and toxicity to normal cells. Recently, the enzyme dipeptidyl peptidase IV (DPPIV) was considered as a potential target for the delivery of chemotherapeutic drugs.
Hamideh Abedi et al.
Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 35(11), 11027-11039 (2014-08-07)
A3 adenosine receptor agonist (IB-MECA) has been shown to play important roles in cell proliferation and apoptosis in a variety of cancer cell lines. The present study was designed to understand the mechanism underlying IB-MECA-induced apoptosis in human ovarian cancer
Yong Tao et al.
Journal of chromatography. A, 1216(5), 756-762 (2008-12-26)
This paper describes a simultaneously performed two-/three-phase hollow-fiber-based liquid-phase microextraction (HF-LPME) method for the determination of aromatic amines with a wide range of pK(a) (-4.25 to 4.6) and logK(OW) (0.9-2.8) values in environmental water samples. Analytes including aniline, 4-nitroaniline, 2,4-dinitroaniline
Terence S Crofts et al.
Nature chemical biology, 14(6), 556-564 (2018-05-02)
The soil microbiome can produce, resist, or degrade antibiotics and even catabolize them. While resistance genes are widely distributed in the soil, there is a dearth of knowledge concerning antibiotic catabolism. Here we describe a pathway for penicillin catabolism in
Laween Meran et al.
Nature medicine, 26(10), 1593-1601 (2020-09-09)
Intestinal failure, following extensive anatomical or functional loss of small intestine, has debilitating long-term consequences for children1. The priority of patient care is to increase the length of functional intestine, particularly the jejunum, to promote nutritional independence2. Here we construct
Cuiping Han et al.
The Analyst, 135(3), 583-588 (2010-02-23)
The purpose of this paper is to develop a sensitive and low-cost colorimetric method for detection of melamine using simple circuitry. The stable p-nitroaniline-modified silver nanoparticles (Ag NPs) were synthesized by a zero-length covalent coupling chemistry, which showed sensitivity and
Elisabeth Pinart et al.
Theriogenology, 83(9), 1525-1533 (2015-03-10)
The main aim of this study was to determine whether acrosin activity could predict boar sperm freezability. For this purpose, we characterized the changes in sperm quality and acrosin activity throughout the cryopreservation procedure of sperm samples from 30 Pietrain
Sung-Kyun Ko et al.
Nature chemistry, 6(10), 885-892 (2014-09-23)
Anion transporters based on small molecules have received attention as therapeutic agents because of their potential to disrupt cellular ion homeostasis. However, a direct correlation between a change in cellular chloride anion concentration and cytotoxicity has not been established for
Laura Malinauskiene et al.
Contact dermatitis, 67(3), 130-140 (2012-05-26)
It is known that, in vitro, human skin bacteria are able to split disperse azo dyes into the corresponding aromatic amines, some of which are sensitizers in the local lymph node assay. We hypothesize that the molecules of disperse dyes
K M Hansson et al.
Journal of thrombosis and haemostasis : JTH, 12(10), 1678-1686 (2014-08-22)
Corn trypsin inhibitor (CTI), an inhibitor of FXIIa, is used to prevent plasma coagulation by contact activation, to specifically investigate tissue factor (TF)-initiated coagulation. In the present work the specificity of CTI for factor (F) XIIa is questioned. In the
Gabriel Oluga Aboge et al.
The Journal of parasitology, 101(5), 536-541 (2015-06-10)
The M17 leucine aminopeptidase (M17LAP) enzymes of the other apicomplexan parasites have been characterized and shown to be inhibited by bestatin. Though Babesia bovis also belongs to the apicomplexan group, it is not known whether its M17LAP could display similar
Sumita Dutta et al.
Biochimie, 110, 93-106 (2015-01-13)
In the present study, anticoagulant and platelet modulating activities of an acidic phospholipase A2 (NnPLA2-I) purified from Indian cobra Naja naja venom was investigated. The NnPLA2-I displayed a mass of 15.2 kDa and 14,186.0 Da when analyzed by SDS-PAGE and
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
Extraction-spectrophotometric determination of sub-microgram amounts of nitrite using 4-nitroaniline and naphth-1-ol.
Baveja AK, et al.
Analyst, 106(1266), 955-959 (1981)
Azeem Khalid et al.
Water research, 43(4), 1110-1116 (2008-12-31)
Environmentally toxic aromatic amines including nitroanilines are commonly generated in dye contaminated wastewater in which azo dyes undergo degradation under anaerobic conditions. The aim of this study was to develop a process for biological treatment of 4-nitroaniline. Three bacteria identified
L F Ferraretto et al.
Journal of dairy science, 98(12), 8869-8881 (2015-10-05)
The objective of this study was to evaluate the effects of ensiling time and exogenous protease addition on soluble CP (% of CP), ammonia-N (% of N), and ruminal in vitro starch digestibility (ivSD) of whole-plant corn silage (WPCS) from
Yuanyuan Chen et al.
Molecular pharmacology, 86(2), 231-242 (2014-06-11)
Aspartyl aminopeptidase (DNPEP) has been implicated in the control of angiotensin signaling and endosome trafficking, but its precise biologic roles remain incompletely defined. We performed a high-throughput screen of ∼25,000 small molecules to identify inhibitors of DNPEP for use as
A simple and highly efficient route for the preparation of p-phenylenediamine by reducing 4-nitroaniline over commercial CdS visible light-driven photocatalyst in water
Wu W, et al.
Green Chemistry, 14(6), 1705-1709 (2012)
Subrata Kundu
Physical chemistry chemical physics : PCCP, 15(33), 14107-14119 (2013-07-23)
Self-assembled Ag NPs on DNA chains were synthesized using a simple photochemical technique. The size of the individual Ag NPs and their average diameter on the DNA chains can be tuned just by controlling the various reaction parameters. The average
High efficient photocatalytic reduction of 4-nitroaniline to p-phenylenediamine over microcrystalline SrBi2Nb2O9
Wu W, et al.
Catalysis Communications, 17, 39-42 (2012)
Kunquan Li et al.
Journal of hazardous materials, 166(2-3), 1180-1185 (2009-01-23)
Activated carbon fiber prepared from cotton stalk was used as an adsorbent for the removal of p-nitroaniline (PNA) from aqueous solutions. Liquid phase adsorption experiments were conducted and the maximum adsorptive capacity was determined. The effect of experimental parameters such
David P Shelton
The Journal of chemical physics, 138(5), 054502-054502 (2013-02-15)
Measurements of the polarization dependence of hyper-Rayleigh scattering (HRS) by solutions of p-nitroaniline (PNA) in acetone-d6 were used to study molecular orientation correlations. The HRS observations were analyzed in terms of short range direct dipole-dipole correlations between the PNA molecules
Pavel L Padnya et al.
Organic & biomolecular chemistry, 13(21), 5894-5904 (2015-04-30)
New water-soluble p-tert-butylthiacalix[4]arenes containing peptide and quaternary ammonium fragments in cone and 1,3-alternate conformations were synthesized and characterized. The interaction of the macrocycles with DNA was studied by UV-spectroscopy, DLS and TEM. It was shown that the interaction of the
Photocatalytic degradation of 4-nitroaniline using solar and artificial UV radiation.
Gautam S, et al.
Chemical Engineering Journal, 110(1), 129-137 (2005)
J Dreyer et al.
The Journal of chemical physics, 127(23), 234505-234505 (2007-12-25)
Applying a combined experimental and theoretical approach we demonstrate that doublets of the nu(s)(NO(2)) band of 4-nitroaniline which have been observed in several environments originate from Fermi resonances. Changes of the line shapes typical for Fermi resonances are reported also
L A Lopez-Tomas et al.
Folia microbiologica, 53(5), 423-426 (2008-12-17)
No significant difference (p > 0.05) was observed in the specific aminopeptidase activity (SAA) developed by Pseudomonas fluorescens, P. putida and Flavobacterium odoratum either growing at pH 5.0-6.5 or at 7 and 12 degrees C. Nevertheless, a significant difference was
4-Nitroaniline-picric acid (2/1)
Li Y-J
Acta Crystallographica Section E, Structure Reports Online, 65(10), o2566-o2566 (2009)
Shoichi Yamaguchi et al.
The Journal of chemical physics, 129(10), 101102-101102 (2008-12-03)
Heterodyne-detected electronic sum frequency generation (HD-ESFG) spectroscopy is newly developed to obtain complex electronic chi(2) spectra of interfaces for a simultaneous detection bandwidth broader than 100 nm. HD-ESFG provides linear chi(2) spectra that have unambiguous information on the "up" versus
Jin Goo Kim et al.
Small (Weinheim an der Bergstrasse, Germany), 11(16), 1930-1938 (2014-12-17)
As an effort to develop a simple and versatile synthetic strategy that contributes to the evolution of hollow nanostructures with increasing complexity and functionality, this research is devoted to study the hollow transformation within a nanosized solid matrix. Through an
Vakhid A Mamedov et al.
The Journal of organic chemistry, 80(3), 1375-1386 (2014-12-17)
The reaction of 3-benzoylquinoxalin-2(1H)-ones with enamines (generated in situ from ammonium acetate and the corresponding methylaryl(hetaryl)ketones) proceeds smoothly to give the corresponding substituted 1-(pyrrolyl)benzimidazolone derivatives in moderate yields through the novel rearrangement of 3-benzoylquinoxalin-2(1H)-ones involving a dual cleavage of the
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