The Phase Stability of Cerium Species in Aqueous Systems. Part 1. E‐pH Diagram for the Ce—HClO<sub>4</sub>—H<sub>2</sub>O System.

Hayes, Scott A.; Yu, Pu; O’Keefe, Thomas J.; O’Keefe, Matthew J.; Stoffer, James O.

doi:10.1002/chin.200309018

Cited by 31 publications

(48 citation statements)

References 1 publication

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“…They revealed that surface treatment of the alloy could enhance its corrosion resistance and adhesion properties. The same results have been reported by Stoffer et al 9,10 who used cerium-based conversion coatings (CeCC) on the aluminum alloys. They showed that the CeCC can improve the corrosion resistance of aluminum alloys and therefore they have been identified as leading candidates to replace hexavalent chrome conversion coatings.…”

Section: Introductionsupporting

confidence: 82%

Electrochemical investigation of the epoxy nanocomposites containing MnAl2O4 and CoAl2O4 nanopigments applied on the aluminum alloy 1050

et al. 2015

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The MnAl 2 O 4 and CoAl 2 O 4 nanopigments were synthesized through solution combustion method. The nanopigments extracts in the 3.5 wt% NaCl solution were prepared. Electrochemical impedance spectroscopy (EIS) and linear polarization (LP) techniques were utilized to investigate the corrosion inhibition properties of the pigments in the solutions containing pigments extracts. The epoxy nanocomposites were prepared and applied on the aluminum specimens. EIS and pull-off measurements were performed to characterize the corrosion protection properties of the epoxy nanocomposites. It was revealed that the MnAl 2 O 4 pigment showed higher corrosion inhibition properties than CoAl 2 O 4 in the solution phase. In addition, MnAl 2 O 4 enhanced the corrosion resistance and decreased the adhesion loss of the epoxy coating on the aluminum substrate significantly. The MnAl 2 O 4 nanopigment improved the corrosion resistance of the epoxy coating through increasing the barrier performance and releasing inhibitive species.

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Section: Introductionsupporting

confidence: 82%

Electrochemical investigation of the epoxy nanocomposites containing MnAl2O4 and CoAl2O4 nanopigments applied on the aluminum alloy 1050

et al. 2015

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“…Alternative explanations such as electrostatic repulsion of Ce IV by charged membranes [34] are unlikely, because dissolved Ce IV predominantly occurs as Ce(OH) 4(aq) at pH values higher than 3. [35,36] In soil solutions, Ce is, however, expected to be present as Ce (aq) III , because Ce IV generally forms sparingly soluble precipitates under normal environmental conditions. [36,37] The filtering of Ce solutions with Millipore MF and Pall-Gellman UF filters that were preconditioned with Cu II was therefore the preferred method in the present study to determine K r and K d values for CeO 2 MNP because they provided the minimum loss of soluble Ce onto MF and UF membranes.…”

Section: Microfiltration and Ultrafiltration Optimisationmentioning

confidence: 99%

A method for determination of retention of silver and cerium oxide manufactured nanoparticles in soils

Kirby²,

et al. 2010

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Environmental context. Soils are the environmental compartment likely to be exposed most to manufactured nanoparticles, but there is no method available at present to assess their retention, which determines potential mobility and bioavailability. Optimisation and application of a method to determine retention values for silver (Ag) and cerium oxide (CeO 2 ) manufactured nanoparticles in soils found in many cases that they differed from the partitioning of their bulk and soluble counterparts. Wider application of this method can assist in comparing the risk of many different manufactured nanoparticles with other contaminants in soil systems and model their relationship to soil properties.Abstract. Methods to study the retention of manufactured nanoparticles (MNP) are lacking for soils that are likely to be increasingly exposed to MNP. In this study we present, for the first time

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“…Although Ce(III) barely hydrolyzes DNA, it can be quickly oxidized by molecular oxygen under neutral conditions and converted to catalytically active Ce(IV). 54,55 These material properties suggest that a well-characterized Ce(IV) complex may be obtained by an in situ oxidation procedure if the Ce(III) ions (and the resultant Ce(IV) ions) are sufficiently separated from each other during the oxidation and their mutual aggregation is satisfactorily suppressed.…”

Section: Preparation Of An Artificial Dna Cutter From Ce(iii) As a Prmentioning

confidence: 99%

Artificial site-selective DNA cutters to manipulate single-stranded DNA

Aiba

Komiyama

2012

Polym J

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Recent progress regarding the development of artificial site-selective DNA cutters by chemical approaches are reviewed herein, with a special focus on site-selective cutters for single-stranded DNA. We employ a Ce(IV)/EDTA complex to serve as the catalyst, because it efficiently and selectively cuts single-stranded DNA. Using two complementary oligonucleotide additives, a gap structure is formed at the target site in the single-stranded DNA substrate. Owing to the substrate specificity of Ce(IV)/ EDTA, the gap site is preferentially hydrolyzed, resulting in a site-selective DNA scission. The scission site is easily determined using the Watson-Crick base-pairing rule; thus, both the sequence and scission specificity can be tuned according to demand. The site-selective scission is greatly promoted by attaching a multiphosphonate to the termini of the oligonucleotide additives and placing this ligand at the gap site. The scission fragments can be connected with foreign DNA using ligase, and the recombinant DNA expresses the corresponding protein in E. coli. INTRODUCTIONThe role of DNA in storing and carrying genetic information is essential for the function and development of all living organisms. If the information stored within DNA can be rewritten by scientists, numerous applications in a variety of fields will be possible. On this basis, chemists, biochemists and biologists have long attempted to rewrite the information encoded within DNA using various approaches. One direct and straightforward approach to precisely alter the information contained by DNA is the site-selective scission of DNA at a target site, 1-11 followed by the appropriate manipulation of the DNA at this local site.Currently, in molecular biology, DNA is manipulated by the 'cut-and-paste' method. In this approach, DNA is first cut at a predetermined site by naturally occurring restriction enzymes, and the resultant fragment is connected with another DNA fragment using ligases. Here, the target gene is inserted, deleted or altered. This strategy is satisfactorily effective so long as small DNAs such as plasmids (composed of several thousand base pairs) are targeted. Unfortunately, this technology is insufficient for manipulating large DNAs; however, our interests have been gradually focusing on the manipulation of genomic DNAs of higher organisms. The key problem is the low site specificity of naturally occurring restriction enzymes (most of them recognize 4 to 8-bp DNA sequences). Statistically, the scission site of a restriction enzyme with 6-bp

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The Phase Stability of Cerium Species in Aqueous Systems. Part 1. E‐pH Diagram for the Ce—HClO₄—H₂O System.

Cited by 31 publications

References 1 publication

Electrochemical investigation of the epoxy nanocomposites containing MnAl2O4 and CoAl2O4 nanopigments applied on the aluminum alloy 1050

Electrochemical investigation of the epoxy nanocomposites containing MnAl2O4 and CoAl2O4 nanopigments applied on the aluminum alloy 1050

A method for determination of retention of silver and cerium oxide manufactured nanoparticles in soils

Artificial site-selective DNA cutters to manipulate single-stranded DNA

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The Phase Stability of Cerium Species in Aqueous Systems. Part 1. E‐pH Diagram for the Ce—HClO4—H2O System.

Cited by 31 publications

References 1 publication

Electrochemical investigation of the epoxy nanocomposites containing MnAl2O4 and CoAl2O4 nanopigments applied on the aluminum alloy 1050

Electrochemical investigation of the epoxy nanocomposites containing MnAl2O4 and CoAl2O4 nanopigments applied on the aluminum alloy 1050

A method for determination of retention of silver and cerium oxide manufactured nanoparticles in soils

Artificial site-selective DNA cutters to manipulate single-stranded DNA

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Product

Resources

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The Phase Stability of Cerium Species in Aqueous Systems. Part 1. E‐pH Diagram for the Ce—HClO₄—H₂O System.