Showing 1-30 of 69 results for "74821"
Xian-Long Du et al.
ChemSusChem, 8(20), 3489-3496 (2015-09-15)
The N-methylation of amines with CO2 and H2 is an important step in the synthesis of bioactive compounds and chemical intermediates. The first heterogeneous Au catalyst is reported for this methylation reaction with good to excellent yields. The average turnover...
David L Cheung
Langmuir : the ACS journal of surfaces and colloids, 28(23), 8730-8736 (2012-05-18)
Hydrophobins are small, amphiphilic proteins expressed by strains of filamentous fungi. They fulfill a number of biological functions, often related to adsorption at hydrophobic interfaces, and have been investigated for a number of applications in materials science and biotechnology. In...
Mohd Zulhilmi Abdul Rahman et al.
Protein science : a publication of the Protein Society, 21(8), 1210-1221 (2012-06-14)
The activation of lipases has been postulated to proceed by interfacial activation, temperature switch activation, or aqueous activation. Recently, based on molecular dynamics (MD) simulation experiments, the T1 lipase activation mechanism was proposed to involve aqueous activation in addition to...
Hyeong Jun Lim et al.
Physical chemistry chemical physics : PCCP, 16(33), 17466-17472 (2014-07-16)
The Hansen solubility parameters (HSPs) of as-produced multi-walled carbon nanotubes (APMWCNTs) were determined by means of the inverse gas chromatography (IGC) technique. Due to non-homogeneous surfaces of the APMWCNTs arising from defects and impurities, it was necessary to establish adequate...
Anna Kolecka et al.
Folia microbiologica, 60(1), 45-51 (2014-08-08)
The influence of acidic (5.6) and neutral (7.0) pH and glucose concentrations (0.9 and 2 %) was determined in in vitro biofilm formation and the cell surface hydrophobicity (CSH) in fluconazole (FLC) susceptible and tolerant yeasts of Candida albicans. The determination...
Jasdip S Koner et al.
Scientific reports, 5, 16352-16352 (2015-11-11)
Mannitol is an essential excipient employed in orally disintegrating tablets due to its high palatability. However its fundamental disadvantage is its fragmentation during direct compression, producing mechanically weak tablets. The primary aim of this study was to assess the fracture...
C Claes et al.
Bulletin de la Societe belge d'ophtalmologie, 238, 145-150 (1990-01-01)
Perfluoro-octane is used as an intraoperative tool for manipulation of the retina during vitreous surgery for retinal detachment in cases of proliferative vitreoretinopathy (PVR), giant tears and large peripheral retinotomies. One case of a macular hole combined with a peripheral...
Víctor Sebastian et al.
Nanoscale, 6(21), 13228-13235 (2014-09-27)
Compared to freestanding nanoparticles, supported nanostructures typically show better mechanical stability as well as ease of handling. Unique shapes such as core-shells, raspberries and crescents have been developed on supported materials to gain improved chemical and optical properties along with...
Mariela Ivanova et al.
Electrophoresis, 24(6), 992-998 (2003-03-27)
Microemulsion electrokinetic chromatography was applied for the separation of levetiracetam from other antiepileptic drugs (primidone, phenobarbital, phenytoin, lamotrigine and carbamazepine) that are potentially coadministered in therapy of patients. The influence of the composition of the microemulsion system (with sodium dodecyl...
Jie Liu et al.
Virus genes, 49(3), 400-416 (2014-08-12)
Porcine circovirus type 2 (PCV2) has been identified as the essential causal agent of post-weaning multisystemic wasting syndrome, which has spread worldwide. To discover cellular protein responses of PK-15 cells to PCV2 infection, two-dimensional liquid chromatography-tandem mass spectrometry (MS) coupled...
Rama Krishna Gudiminchi et al.
Applied microbiology and biotechnology, 96(6), 1507-1516 (2012-03-14)
CYP153A6 is a well-studied terminal alkane hydroxylase which has previously been expressed in Pseudomonas putida and Escherichia coli by using the pCom8 plasmid. In this study, CYP153A6 was successfully expressed in E. coli BL21(DE3) by cloning the complete operon from...
Shaine A Cararas et al.
Bioorganic & medicinal chemistry, 19(24), 7551-7558 (2011-11-08)
The synthesis and structure-activity relationships of 8-substituted-3-[2-(diarylmethoxyethylidenyl)]-8-azabicyclo[3.2.1]octane derivatives were investigated at the dopamine transporter (DAT), the serotonin transporter (SERT) and norepinephrine transporter (NET). The rigid ethylidenyl-8-azabicyclic[3.2.1]octane skeleton imparted modestly stereoselective binding and uptake inhibition at the DAT. Additional structure-activity studies...
Ben Li et al.
Journal of hazardous materials, 211-212, 296-303 (2011-11-08)
The sulfur in gasoline will convert to SO(2) after combustion under high temperature, which adversely affects human health and the environment. Membrane technique in particular pervaporation offers a number of potential advantages over conventional FCC gasoline desulfurization processes. The present...
Brandon S Albright et al.
Journal of virology, 89(1), 443-453 (2014-10-17)
During DNA encapsidation, herpes simplex virus 1 (HSV-1) procapsids are converted to DNA-containing capsids by a process involving activation of the viral protease, expulsion of the scaffold proteins, and the uptake of viral DNA. Encapsidation requires six minor capsid proteins...
Alexander J Sodt et al.
The Journal of chemical physics, 137(23), 234101-234101 (2012-12-27)
This paper demonstrates a method for calculating the tension of a system with a curved interface from a molecular dynamics simulation. To do so, the pressure of a subset of the system is determined by applying a local (virtual) mechanical...
Tania Morielli et al.
Reproduction (Cambridge, England), 149(1), 113-123 (2014-11-12)
Oxidative stress, generated by excessive reactive oxygen species (ROS) or decreased antioxidant defenses (and possibly both), is associated with male infertility. Oxidative stress results in redox-dependent protein modifications, such as tyrosine nitration and S-glutathionylation. Normozoospermic sperm samples from healthy individuals...
Ksenia Ramus et al.
Environmental science & technology, 46(4), 2196-2203 (2012-01-25)
This study examines the effect of dissolved humic substances (DHS) on the rate of water-gas exchange of organic compounds under conditions where diffusion through the aqueous boundary layer is rate-determining. A synthetic surfactant was applied for comparison. Mass-transfer coefficients were...
Xiao-Yu Liu et al.
Organic & biomolecular chemistry, 10(7), 1411-1417 (2011-12-24)
A convergent and efficient formal synthesis of (±)-atisine has been accomplished. The synthetic strategy is to efficiently construct the bicyclo[2.2.2]octane ring moiety by an oxidative dearomatization/intramolecular Diels-Alder cycloaddition cascade. The first total synthesis of another atisine-type C(20)-diterpenoid alkaloid, (±)-isoazitine, has...
Prakash C Joshi et al.
Biochemical and biophysical research communications, 452(3), 515-519 (2014-09-03)
The guanine base of nucleic acids is known to be very reactive towards degradation by (1)O2-induced oxidative stress. Oxidative reactions of DNA are linked to many human diseases including cancer. Among the various forms of reactive O2 species (OH, (1)O2...
Nikolai A Sinkov et al.
Talanta, 103, 252-259 (2012-12-04)
A three-dimensional extension of a previously developed metric termed cluster resolution is presented. The cluster resolution metric considers confidence ellipses (here three-dimensional confidence ellipsoids) around clusters of points in principal component or latent variable space. Cluster resolution is defined as...
Ankur S Chaurasia et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 16(2), 403-411 (2014-11-11)
We present a facile approach for producing large and monodisperse core-shell drops with ultrathin shells using a single-step process. A biphasic compound jet is introduced into a quiescent third (outer) phase that ruptures to form core-shell drops. Ultrathin shelled drops...
Mitchell H Weston et al.
Chemical communications (Cambridge, England), 49(29), 2995-2997 (2013-03-07)
Porous organic polymers bearing metal-catecholate groups were evaluated for their ability to remove airborne ammonia, cyanogen chloride, sulphur dioxide, and octane by micro-breakthrough analysis. For ammonia, the metal-catecholate materials showed remarkable uptake under humid conditions.
Oleg Butovsky et al.
Annals of neurology, 77(1), 75-99 (2014-11-11)
To investigate miR-155 in the SOD1 mouse model and human sporadic and familial amyotrophic lateral sclerosis (ALS). NanoString microRNA, microglia and immune gene profiles, protein mass spectrometry, and RNA-seq analyses were measured in spinal cord microglia, splenic monocytes, and spinal...
Eagleson M.
Concise Encyclopedia Chemistry, 743-743 (1994)
Tom Tytgat et al.
Journal of laboratory automation, 17(2), 134-143 (2012-02-24)
Photocatalytic activity can be studied by several methods, each with its own strengths and weaknesses. To study photocatalytic activity in an easy, user-friendly, and realistic way, a completely new setup has been built. The setup is modularly constructed around Fourier...
Xiaoying Cui et al.
Psychopharmacology, 232(3), 509-517 (2014-07-30)
Repeated exposure to psychostimulants that either increase dopamine (DA) release or target N-methyl-D-aspartate (NMDA) receptors can induce behavioural sensitisation, a phenomenon that may be important for the processes of addiction and even psychosis. A critical component of behavioural sensitisation is...
Nicole M Ashpole et al.
American journal of physiology. Heart and circulatory physiology, 307(6), H858-H868 (2014-07-20)
Whole brain radiation therapy (WBRT) induces profound cerebral microvascular rarefaction throughout the hippocampus. Despite the vascular loss and localized cerebral hypoxia, angiogenesis fails to occur, which subsequently induces long-term deficits in learning and memory. The mechanisms underlying the absence of...
Taiki Moriya et al.
Cell calcium, 57(1), 25-37 (2014-12-07)
Neurones in the supraoptic nucleus (SON) of the hypothalamus possess intrinsic osmosensing mechanisms, which are lost in transient receptor potential vanilloid 1 (Trpv1)-knock-out mice. The molecular nature of the osmosensory mechanism in SON neurones is believed to be associated with...
B Watzer et al.
Prostaglandins, leukotrienes, and essential fatty acids, 62(3), 175-181 (2000-06-07)
20-Hydroxy-arachidonic acid (20-HETE) was determined in urine by an isotope dilution assay using gas chromatography/mass spectrometry (GC/MS). After addition of 18O2-internal standard, 20-HETE was extracted from urine with hexane either directly or after treatment with glucuronidase. 20-HETE was derivatized to...
Bikramjit Ghosh et al.
Marine biotechnology (New York, N.Y.), 17(6), 841-853 (2015-09-28)
This study examined the feasibility of alginate microcapsules manufactured using a low-impact technology and reagents to protect orally delivered immunogens for use as immunoprophylactics for fish. Physical characteristics and protein release kinetics of the microcapsules were examined at different pH...

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