Results 121 to 130 of about 2,126,883 (292)

The Effect of Hydrophilic Headgroup Chemistry on Peptoid‐Directed Mineralization of CaCO3

open access: yesAdvanced Functional Materials, EarlyView.
Amphiphilic peptoids alter the pathway and outcome of calcium carbonate crystallization, which progresses through amorphous calcium carbonate (ACC) to vaterite to calcite rhombs in the absence of peptoids. In contrast, amine‐terminated peptoids produce vaterite disks and carboxyl‐terminated peptoids produce calcite mesocrystals.
Biao Jin   +5 more
wiley   +1 more source

Estratégias analíticas para determinação de elementos traço via espectrometria de absorção atômica de alta resolução com fonte contínua [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2015.Este trabalho está subdividido em dois estudos.
Candido, Lígia Colares
core  

Oxygen Evolution Electrocatalysts with Trinuclear, Mixed‐Valence Iron Motifs on Electronically Aligned Carbon Dots

open access: yesAdvanced Functional Materials, EarlyView.
Trinuclear iron oxo‐bridged catalytic ensembles stabilized by aspartic‐acid‐derived carbon dots provide an effective platform for alkaline oxygen evolution. Mixed‐valence charge balancing, inner‐sphere charge transport, and work‐function alignment within the N/O‐rich carbon framework promote cooperative Fe‐site chemistry and efficient OER ...
Megha A. Deshmukh   +13 more
wiley   +1 more source

Flow Injection Atomic Absorption Spectrometry in Solution for Determination of Mercury

open access: yesScience Journal of University of Zakho, 2013
A stopped-flow injection and the merging zone stopped-flow injection technique used for cold atomization with atomic absorption spectrophotometric determination of mercury in solution by reaction with sodium borohydride as reducing agent.
Sirwan Shawket
doaj  

Nanoamphizymes: Self‐Assembled Amphiphilic Enzymatic Nanomaterials for High‐Performance Biocatalysis and Biosensing

open access: yesAdvanced Functional Materials, EarlyView.
An amphiphilic GOx nanoamphizyme was constructed by covalently introducing hydrophobic PPNI linkers onto GOx, enabling spontaneous self‐assembly into tunable nanoparticles. Mild crosslinking further stabilized the assemblies and enhanced catalytic performance and stability.
Yuan‐Hao Hsiao   +4 more
wiley   +1 more source

Determination of Antimony in Gold-Antimony Ore and Antimony Ore by Inductively Coupled Plasma-Atomic Emission Spectrometry with Four Acids Dissolution

open access: yesYankuang ceshi, 2013
There are reliable chemical analysis methods for determining high, low and trace amounts of antimony in gold-antimony ore and antimony ore. However, the volumetric method for low content antimony measurements has a low analysis efficiency and involves a ...
WEI Yi   +6 more
doaj  

Análise direta de sólidos por espectrometria de absorção atômica de alta resolução com fonte contínua e investigação de compostos organometálicos por análise direta em tempo real com espectrometria de massa [PDF]

open access: yes, 2009
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Química.O presente trabalho, em sua primeira parte, descreve o desenvolvimento de métodos analíticos para a determinação de ...
Borges, Daniel Lázaro Gallindo
core  

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