Materials Literature
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Veröffentlichungen der Universität (migriert). Combined spectroscopic and electrochemical studies of ion transport and corrosive de-adhesion processes at polymer/oxide/metal interfaces / Ralf Posner. 2009
Quorum sensing (QS) is the process by which bacteria communicate with one another via small molecule or peptide signaling molecules called AutoInducers (AIs).Quorum sensing has been implicated in a host of cell processes ranging from gene expression to virulence.Bacteria detect auto-inducers generated from their own s…
Poly(L-lactide-co-glycolide)(PLGA)copolymer (85/15) was prepared by direct-melt polycondensation instead of a ring-opening process. The polymer samples were hydrolyzed at 37°C in phosphate-buffered saline (PBS) for periods up to 10 weeks and the degradation behavior was characterized through weight average molecular m…
During our research into novel nonlinear optical materials using 1,10-phenanthroline as an appending ligand on lanthanide iodates, crystals of an infinite layered Dy(III) iodate compound, Dy(IO(3))(3)(H(2)O)·H(2)O, were obtained under hydro-thermal conditions. The Dy(III) cation has a dicapped trigonal prismatic coord…
We have purified a novel protein from mice muscle, which through N-terminal amino acid sequencing was identified as a truncated form of mouse albumin. The protein was found to be a monomer of approximately 64 kDa and located in the cytosol. The purified protein strongly crossreacted with commercial albumin antibody. P…
Abstract Disulfide bonds play fundamental roles in proteins. This work is devoted to highly rare motifs containing disulfide bonds. A search for four cysteines, forming a 16‐atom membered ring (4CR) embodying two disulfide bonds, was carried out against all entries in the Protein Data Bank. Searching the crystallograp…
The experiment was carried out at the Galia (state of Sao Paulo, Brazil) Research and Development Station, a unit of the Paulista Agribusiness Agency, during the Autumn of 2005, viewing to evaluate how mulberry cultivars (IZ 56/4, IZ 40, IZ 0/4 and Korin) and vegetative phases of plant development (7, 0, and 3 weeks)…
In the title compound, [Cu(C(4)HN(3)O(4))(H(2)O)(3)](2)[Cu(2)(C(4)HN(3)O(4))(2)(H(2)O)(6)], both monomeric and dimeric mol-ecules are present in the solid state. In the monomeric compound, the Cu(II) atom is five-coordinated in a square-pyramidal configuration by one O atom and one N atom from one 1H-1,2,4-triazole-3,…
Abstrak Korosi adalah suatu persoalan yang selalu dihadapi dan merupakan suatu permasalahan yang harus dicari jalan keluarnya untuk mengurangi terjadinya oksidasi antara logam dengan udara bebas. Proses korosi terjadi karena bereaksinya permukaan suatu logam dengan oksigen, di mana permukaan logam tersebut tidak dilap…
Abstract An azamacrocyle doped polypyrrole is considered as a material showing heavy metal cation sensitivity and examples with Ni2+, Zn2+, and Cu2+ cations are tested. Heavy metal ion binding agent: 1,4,8,11‐tetraazacyclotetradecane (cyclam) or its derivatives were introduced into a conducting polymer film in differe…
Solubility data for the ternary p -nitrobenzoic acid + m -nitrobenzoic acid + ethanol system were measured at 273.1 K, 283.1 K, and 313.1 K, respectively. Three isothermal phase diagrams of the system were constructed on the basis of the measured solubilitities. Two solid phases, m -nitrobenzoic acid and p -nitrobenzo…
The design of a separation process for mixtures of ampicillin and phenylglycine crystals by interfacial partitioning is treated. Interfacial partitioning is a novel technique where particles can be separated in a liquid two-phase system by selective partitioning between the liquid phases and a third particle-rich laye…
Microphase and macrophase separation phenomena can simultaneously appear in ABA/C copolymer blend systems due to the immiscibility among monomers A, B, and C. In this work, the surface morphologies and compositions of ABA/C blend thin films confined between two walls, which were used to mimic SEBS/PMMA films, have bee…
An image quality based method was applied to quantitatively analyse the contribution of electrodeposited copper twinning. This method, based on the image quality as obtained from electron backscattering diffraction, involves three processes: hexagonal edge detection, thinning algorithm and twin determination. The twin…
Abstract In oxygen components, even for high pressure oxygen service, it is possible to use organic seals, lubricants, or filling liquids, provided their oxygen compatibility has been checked. However, fire incidents in oxygen systems still occur because these materials ignite and burn. There are many reasons, such as…
In the title complex, [Ni(C(15)H(14)NO)(2)], the Ni(II) atom is located on an inversion centre and is coordinated by two O and two N atoms from two symmetry-related bidentate Schiff base ligands in a slightly distorted square-planar geometry. The phenyl and benzene rings in the ligand mol-ecule form a dihedral angle o…
The application of a high-temperature electrochemical reactor based on stabilized zirconium dioxide (0.9 ZrO(2)0.1 Y(2)O(3)) for organic gas sampling in continuous-flow isotope-ratio mass spectrometry (CF-IRMS) has been found to be efficient. This solid electrolyte reactor (SER) can also be used as a chromatographic d…
The effect of the applied potentials, temperature, and F− ions on the localized repassivation kinetics of titanium was investigated by the photon rupture method, PRM, and electrochemical techniques in phosphate buffered saline solution. The log I versus log t plots after laser beam irradiation showed a rapid increas…
In this paper, we study deformation, failure, and breakage of visco-elastic thin films of aging laponite suspension under a tensile deformation field. Aqueous suspension of laponite is known to undergo waiting time dependent evolution of its microstructure, also known as aging, which is accompanied by an increase in t…
Jie Xua, Qi Xionga, Guijie Lianga, Xiaolin Shena, Hantao Zoua & Weilin Xua a Key Lab of Green Processing & Functional Textiles of New Textile Materials, Ministry of Education , Wuhan University of Science & Engineering , Wuhan, Hubei, China Pure and SmCl3(H2O)6 doped poly(ethylene oxide) (PEO) samples were prepared us…