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Updated: May 8, 2026

Attaching Biological Probes to Silica Optical Biosensors Using Silane Coupling Agents
09:35

Attaching Biological Probes to Silica Optical Biosensors Using Silane Coupling Agents

Published on: May 1, 2012

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フォスフィンの機能化されたシリカゲル吸着剤のセンサーとして使用されるP-NMRによる鉛-リン相互作用のモニタリング

Jessica Badillo-Camacho1,2, José A Gutiérrez-Ortega1, Ilya G Shenderovich3

  • 1Department of Wood, Cellulose and Paper, University of Guadalajara-CUCEI, Km 15.5 of Carretera Guadalajara-Nogales, Zapopan 45020, Jalisco, Mexico.

Gels (Basel, Switzerland)
|August 28, 2025
PubMed
まとめ

研究者は,鉛の吸収を効率的にするために,トリフェニルフォスフィンで機能した新しいシリカジェル材料を開発しました. 鉛の結合は,-31核磁気共振 (NMR) スペクトロスコーピーを用いて直接監視され,吸収メカニズムに関する洞察を明らかにした.

キーワード:
機能化されたシリカゲル鉛の吸収鉛との相互作用ホスフィン固体 NMRソルゲル

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Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method08:21

Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method

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NMR Spectrometers: Overview01:20

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¹H NMR Signal Integration: Overview

The intensity of a signal, which can be represented by the area under the peak, depends on the number of protons contributing to that signal. The area under each peak is shown as a vertical line called an integral, with the integral value listed under it, as seen in the proton NMR spectrum of benzyl acetate. Each integral value is divided by the smallest integral value to obtain the ratio of the number of protons producing each signal. The ratio reveals the relative number of protons and not...
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¹³C NMR: ¹H–¹³C Decoupling

The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
Applications Of NMR In Biology01:25

Applications Of NMR In Biology

Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
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Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is an advanced Nuclear Magnetic Resonance (NMR) technique specifically designed to detect and enhance the signals of low-abundance nuclei, such as carbon-13 and nitrogen-15, in small molecules. The fundamental principle behind INEPT is the transfer of polarization from a more abundant and highly polarizable nucleus, typically hydrogen-1, to the low-abundance nucleus of interest. This process effectively boosts the NMR signal of the...
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Double Resonance Techniques: Overview

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