Results 91 to 100 of about 52,674 (356)

A Sustainable Biotechnology Approach for Mineral Separation

open access: yesAdvanced Functional Materials, EarlyView.
Silver‑binding peptides are first identified through phage‐display screening, and then engineered into multifunctional and responsive peptides or proteins. These tailored biomolecules can selectively capture and aggregate silver particles or ions from complex mixtures, enabling rapid and efficient silver separation and recovery.
Guangze Yang   +7 more
wiley   +1 more source

Chelate-modified polymers for atmospheric gas chromatography [PDF]

open access: yes, 1980
Chromatographic materials were developed to serve as the stationary phase of columns used in the separation of atmospheric gases. These materials consist of a crosslinked porous polymer matrix, e.g., a divinylbenzene polymer, into which has been embedded
Christensen, W. W.   +2 more
core   +1 more source

Achieving Stable Paired Electrolysis of Captured CO2 and 5‐Hydroxymethylfurfural (HMF) via Tuning Anolyte Composition and Anode Surface

open access: yesAdvanced Functional Materials, EarlyView.
Highly stable paired electrolysis of CO2 and biomass‐derived alcohol (HMF) is achieved by replacing conventional alkaline electrolytes with a tailored triethylamine‐carbonate buffer and anion‐conducting ionomer coatings. This configuration effectively mitigates electrolyte degradation and pH instability typically encountered in alkaline CO2 ...
Mi‐Young Lee   +3 more
wiley   +1 more source

Nuclear Quadrupole Resonance Spectroscopy: Tautomerism and Structure of Functional Azoles

open access: yesCrystals, 2019
The Nuclear Quadrupole Resonance spectroscopy data of functionalized azoles (imidazoles, triazoles and corresponding benzazoles) are reviewed and critically discussed. The possibility of studying the tautomerism of azoles by the NQR method is considered.
Lyudmila I. Larina
doaj   +1 more source

Selective Benzene Capture by Metal‐Organic Frameworks

open access: yesAdvanced Functional Materials, EarlyView.
Metal‐organic frameworks (MOFs) hold significant potential for capturing benzene from air emissions and hydrocarbon mixtures in liquid phases. This capability stems from their precisely engineered structures, versatile chemistries, and diverse binding interactions.
Zongsu Han   +4 more
wiley   +1 more source

The identification of histidine ligands to cytochrome a in cytochrome c oxidase [PDF]

open access: yes, 1985
A histidine auxotroph of Saccharomyces cerevisiae has been used to metabolically incorporate [1,3-15N2] histidine into yeast cytochrome c oxidase. Electron nuclear double resonance (ENDOR) spectroscopy of cytochrome a in the [15N]histidine-substituted ...
Chan, Sunney I.   +2 more
core  

Synthesis of 1,2,3-triazole functionalized hyperbranched poly(ethyleneimine) and its use as multifunctional anionic macroinitiator for diglycidyl ether of bisphenol A curing [PDF]

open access: yes, 2016
Hyperbranched poly(ethyleneimine) (PEI) has been modified by the addition of propargyl acrylate following a Michael addition reaction. On this polymer (PEI-yne) a copper (I)-catalyzed azide alkyne cycloaddition (CuAAC) has been performed to obtain a ...
Acebo Gorostiza, Cristina   +4 more
core   +2 more sources

Multifunctional Polyfluoride Ionogel‐Encapsulated Lithium Anodes for Durable and Safe Pouch Cells under Harsh Conditions

open access: yesAdvanced Functional Materials, EarlyView.
In this work, it is developed a multifunctional polyfluoride ionogel via in situ thermal polymerization to encapsulate lithium metal anodes, integrating flame‐retardant capability, hydrophobicity, dynamic self‐healing behavior, and high ionic conductivity.
Ting Li   +10 more
wiley   +1 more source

High-valent copper in biomimetic and biological oxidations [PDF]

open access: yes, 2016
A long-standing debate in the Cu-O2 field has revolved around the relevance of the Cu(III) oxidation state in biological redox processes. The proposal of Cu(III) in biology is generally challenged as no spectroscopic or structural evidence exists ...
Gary, J. Brannon
core   +1 more source

Facile preparation of a nanostructured functionalized catalytically active organosalt [PDF]

open access: yes, 2014
We report a novel nanostructured organosalt, based on sulfonic acid functionalized pyrazinium {[H-pyrazine–SO3H]Cl2} that was synthesized and characterized by several techniques including Fourier transform infrared (FT- IR) spectroscopy, X-ray ...
Beyzavi, Mohammad Hassan   +7 more
core   +1 more source

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