Results 61 to 70 of about 361,286 (257)

Folding mechanisms steer the amyloid fibril formation propensity of highly homologous proteins [PDF]

open access: yes, 2018
Significant advances in the understanding of the molecular determinants of fibrillogenesis can be expected from comparative studies of the aggregation propensities of proteins with highly homologous structures but different folding pathways.
Baglivo, I   +18 more
core   +2 more sources

An evaluation of retention and marginal seating of Ni-Cr alloy cast restorations using three different luting cements: An in vitro study

open access: yesIndian Journal of Dental Research, 2012
Context: Clinical and laboratory studies regarding performance of recently introduced luting cements: Adhesive resin cement and resin-modified glass ionomer cement (GIC), are limited.
Bikash K Pattanaik, S J Nagda
doaj   +1 more source

A novel hydrogen peroxide biosensor based on modified electrode with hemoglobin and zinc oxide nanoparticles [PDF]

open access: yes, 2012
In this study, direct electron transfer between immobilized hemoglobin (Hb) and zinc oxide nanoparticles modified carbon paste electrode was studied. Direct electrochemical response of Hb on the modified electrode can be achieved and a couple of well ...
Arabnezhad-Khanooki, T.   +7 more
core  

Editosome Accessory Factors KREPB9 and KREPB10 in Trypanosoma brucei [PDF]

open access: yes, 2012
Multiprotein complexes, called editosomes, catalyze the uridine insertion and deletion RNA editing that forms translatable mitochondrial mRNAs in kinetoplastid parasites.
Acestor   +58 more
core   +1 more source

Early diagenetic vivianite [Fe-3(PO4)(2) center dot 8H(2)O] in a contaminated freshwater sediment and insights into zinc uptake: a mu-EXAFS, mu-XANES and Raman study [PDF]

open access: yes, 2008
The sediments in the Salford Quays, a heavily-modified urban water body, contain high levels of organic matter, Fe, Zn and nutrients as a result of past contaminant inputs.
Andrew J. Bennett   +40 more
core   +1 more source

A comparison of the adhesive strength of zinc phosphate and self-adhesive resin cement as fiber post cementation materials

open access: yesDental Journal, 2017
Background: The use of fiber post has become commonplace among dental practitioners due to its several advantages. In accordance with the intended use of post which provides retention for coronal restoration, a cement is used that can provide high ...
Setyawan Bonifacius   +2 more
doaj   +1 more source

3-methylaminopropylamine as a templating agent in the synthesis of phosphate-based inorganic polymers [PDF]

open access: yesJournal of the Serbian Chemical Society, 2013
3-methylaminopropylamine (MPA) has been studied as a structure-directing agent (template) in the synthesis of open-framework phosphate-based materials.
Jevtić Sanja O.   +2 more
doaj   +1 more source

Cross-linking of Polystyrene by Friedel–Crafts Chemistry to Improve Thermal Stability [PDF]

open access: yes, 1999
Copolymers which contain either alcohol or chloride functionalized polystyrene units have been prepared and they participate in Friedel–Crafts chemistry to give cross-linked polymers by the evolution of either hydrogen chloride or water.
Jiang, David D.   +3 more
core   +1 more source

The Comparison of the Film Thickness and Compressive Strength Between Ariadent and Harvard Zinc Phosphate Cement.

open access: yesمجله دانشکده دندانپزشکی اصفهان, 2005
Introduction. Recently, the Ariadent Zinc phosphate cement has been introduced to market with low cost. Some dentists purchase this product because of low cost and others avoid buying it because of unreliable quality.
M - Sabouhi, N Hekmat, N Baiatabadi
doaj  

Enhancing corrosion resistance of MAO coatings on Al alloy LY12 through in situ co-doping with zinc phosphate and cerium phosphate

open access: yesCorrosion Communications
Corrosion of aluminum (Al) alloys during service limits many applications. Micro-arc oxidation (MAO) coatings can enhance corrosion resistance, but porous defects in the films undermine their effectiveness.
Chao Yang   +6 more
doaj   +1 more source

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