FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1990620512> ?p ?o ?g. }

• W1990620512 endingPage "2671" @default.
• W1990620512 startingPage "2667" @default.
• W1990620512 abstract "A novel ion-exchange column for metal chelation was developed employing stacked gold TEM grids from Polysciences Inc. as a support for the immobilization of poly(l-aspartic acid) (PLAsp) using self-assembled monolayer technology. Gold was chosen as the support for the poly(amino acid) chelator because it was found to only act as an anchor for the PLAsp chelator, remaining unreactive toward metals present in sample solutions. PLAsp was immobilized onto the gold surface with very high stability and a near-monolayer surface coverage of 2.5 μmol of PLAsp/m2 of gold. The metal-binding behavior of the new (PLAsp)−Au system was directly compared to previous studies of PLAsp immobilized on controlled-pore glass (CPG). It was found that the gold grid column had a much higher metal-binding capacity per unit surface area of substrate than the CPG column. For the metals evaluated (Ce3+, Cu2+, Eu3+, La3+) metal-binding capacities per surface area of support ranged from 43 μmol of metal/m2 of Au for La3+ to 97 μmol of metal/m2 of Au for Cu2+ at pH 7.0 for the gold grid column. This compares to 0.08 μmol of metal/m2 of CPG for La3+ to 0.13 μmol of metal/m2 of CPG for Cu2+ at pH 7.0 for the CPG column. The behavior of Al3+ and Fe3+ was also studied, and they were found to precipitate on the column as hydroxide species for both the Au and CPG columns. Flow characteristics between the two systems were also compared. The appearance of the breakthrough curves at different flow rates suggests that an increase in hard-site capacity for the PLAsp−Au column occurs as the influent flow rate into the column is decreased. This is similar to previous results reported for columns containing CPG as support material, and it is thought that the metal binding in the column is mass transport limited. However, even with limitations by mass transport, equilibrium between metal and immobilized chelator is achieved in the Au grid column much faster than in the CPG column possibly due to the high porosity of the glass." @default.
• W1990620512 created "2016-06-24" @default.
• W1990620512 creator A5019724242 @default.
• W1990620512 creator A5078222160 @default.
• W1990620512 date "1999-06-04" @default.
• W1990620512 modified "2023-10-18" @default.
• W1990620512 title "An Ion-Exchange Microcolumn Employing Gold Minigrids as Supports for the On-Line Immobilization of Poly(<scp>l</scp>-aspartate)" @default.
• W1990620512 cites W1607736744 @default.
• W1990620512 cites W1964539248 @default.
• W1990620512 cites W1993032821 @default.
• W1990620512 cites W2030500690 @default.
• W1990620512 cites W2034061973 @default.
• W1990620512 cites W2039159565 @default.
• W1990620512 cites W2040932720 @default.
• W1990620512 doi "https://doi.org/10.1021/ac981405t" @default.
• W1990620512 hasPublicationYear "1999" @default.
• W1990620512 type Work @default.
• W1990620512 sameAs 1990620512 @default.
• W1990620512 citedByCount "15" @default.
• W1990620512 countsByYear W19906205122016 @default.
• W1990620512 crossrefType "journal-article" @default.
• W1990620512 hasAuthorship W1990620512A5019724242 @default.
• W1990620512 hasAuthorship W1990620512A5078222160 @default.
• W1990620512 hasConcept C13965031 @default.
• W1990620512 hasConcept C178790620 @default.
• W1990620512 hasConcept C179104552 @default.
• W1990620512 hasConcept C185592680 @default.
• W1990620512 hasConcept C197404232 @default.
• W1990620512 hasConcept C199164860 @default.
• W1990620512 hasConcept C43617362 @default.
• W1990620512 hasConcept C544153396 @default.
• W1990620512 hasConcept C55493867 @default.
• W1990620512 hasConcept C7070889 @default.
• W1990620512 hasConceptScore W1990620512C13965031 @default.
• W1990620512 hasConceptScore W1990620512C178790620 @default.
• W1990620512 hasConceptScore W1990620512C179104552 @default.
• W1990620512 hasConceptScore W1990620512C185592680 @default.
• W1990620512 hasConceptScore W1990620512C197404232 @default.
• W1990620512 hasConceptScore W1990620512C199164860 @default.
• W1990620512 hasConceptScore W1990620512C43617362 @default.
• W1990620512 hasConceptScore W1990620512C544153396 @default.
• W1990620512 hasConceptScore W1990620512C55493867 @default.
• W1990620512 hasConceptScore W1990620512C7070889 @default.
• W1990620512 hasIssue "14" @default.
• W1990620512 hasLocation W19906205121 @default.
• W1990620512 hasOpenAccess W1990620512 @default.
• W1990620512 hasPrimaryLocation W19906205121 @default.
• W1990620512 hasRelatedWork W174150851 @default.
• W1990620512 hasRelatedWork W1981042923 @default.
• W1990620512 hasRelatedWork W2010089799 @default.
• W1990620512 hasRelatedWork W2018587054 @default.
• W1990620512 hasRelatedWork W2349370728 @default.
• W1990620512 hasRelatedWork W2393146302 @default.
• W1990620512 hasRelatedWork W2412828964 @default.
• W1990620512 hasRelatedWork W2786251252 @default.
• W1990620512 hasRelatedWork W4319312373 @default.
• W1990620512 hasRelatedWork W4327920756 @default.
• W1990620512 hasVolume "71" @default.
• W1990620512 isParatext "false" @default.
• W1990620512 isRetracted "false" @default.
• W1990620512 magId "1990620512" @default.
• W1990620512 workType "article" @default.