A novel pH-Dependent sensor for recognition of strontium ions in water: A hierarchically structured mesoporous architectonics

I. G. Alhindawy; D. A. Tolan; E. A. Elshehy; W. A. El-Said; S. M. Abdelwahab; H. I. Mira; T. Taketsugu; V. P. Utgikar; A. M. El-Nahas; A. O. Youssef

doi:10.1016/j.talanta.2022.124064

A novel pH-Dependent sensor for recognition of strontium ions in water: A hierarchically structured mesoporous architectonics

I. G. Alhindawy, D. A. Tolan, E. A. Elshehy, W. A. El-Said, S. M. Abdelwahab, H. I. Mira, T. Taketsugu, V. P. Utgikar, A. M. El-Nahas, A. O. Youssef

Chemistry

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

This paper reports the synthesis of a hierarchically structured mesoporous architectonics silica as a pH-dependent sensor for the detection and adsorption of strontium ions (Sr²⁺) from radioactive strontium-contaminated water. Herein, we designed a colored sensor based on the cubical mesoporous architectonics silica monoliths that enabled the detection of extremely harmful radioactive strontium ions (Sr²⁺) from drinking water. The surface-coating process of hierarchically cubical silica monoliths by one-step decoration using benzenesulfonic acid, 3-[[8-(acetylamino)-2-hydroxy-1-naphthalenyl]azo]-5-chloro-2-hydroxy-sodium salt signaling probe enabled us to create a unique pH-dependent colorant sensor. In this design, the high loading capacity and trapping of the chromogenic probe could be achieved, leading to the formation of an organic-inorganic hybrid that formed from cubically-silica pores and a chromogenic probe dressing layer. In this sensing system, a remarkable change in color and absorbance intensity of the sensor for strontium ions was observed at a pH value of 10.3. The synthesized cubically porous architectonic silica sensor is tailored to enable accessibility for continuous and efficient pH-dependent-strontium ion sensing capability concerning reversibility, selectivity, and signal stability.

Original language	English
Article number	124064
Journal	Talanta
Volume	253
DOIs	https://doi.org/10.1016/j.talanta.2022.124064
State	Published - 1 Feb 2023

Keywords

Chromogenic probe
Detection
Mesoporous materials
Recovery
Sensor
Strontium ions

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.talanta.2022.124064

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Alhindawy, I. G., Tolan, D. A., Elshehy, E. A., El-Said, W. A., Abdelwahab, S. M., Mira, H. I., Taketsugu, T., Utgikar, V. P., El-Nahas, A. M., & Youssef, A. O. (2023). A novel pH-Dependent sensor for recognition of strontium ions in water: A hierarchically structured mesoporous architectonics. Talanta, 253, Article 124064. https://doi.org/10.1016/j.talanta.2022.124064

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abstract = "This paper reports the synthesis of a hierarchically structured mesoporous architectonics silica as a pH-dependent sensor for the detection and adsorption of strontium ions (Sr2+) from radioactive strontium-contaminated water. Herein, we designed a colored sensor based on the cubical mesoporous architectonics silica monoliths that enabled the detection of extremely harmful radioactive strontium ions (Sr2+) from drinking water. The surface-coating process of hierarchically cubical silica monoliths by one-step decoration using benzenesulfonic acid, 3-[[8-(acetylamino)-2-hydroxy-1-naphthalenyl]azo]-5-chloro-2-hydroxy-sodium salt signaling probe enabled us to create a unique pH-dependent colorant sensor. In this design, the high loading capacity and trapping of the chromogenic probe could be achieved, leading to the formation of an organic-inorganic hybrid that formed from cubically-silica pores and a chromogenic probe dressing layer. In this sensing system, a remarkable change in color and absorbance intensity of the sensor for strontium ions was observed at a pH value of 10.3. The synthesized cubically porous architectonic silica sensor is tailored to enable accessibility for continuous and efficient pH-dependent-strontium ion sensing capability concerning reversibility, selectivity, and signal stability.",

keywords = "Chromogenic probe, Detection, Mesoporous materials, Recovery, Sensor, Strontium ions",

author = "Alhindawy, \{I. G.\} and Tolan, \{D. A.\} and Elshehy, \{E. A.\} and El-Said, \{W. A.\} and Abdelwahab, \{S. M.\} and Mira, \{H. I.\} and T. Taketsugu and Utgikar, \{V. P.\} and El-Nahas, \{A. M.\} and Youssef, \{A. O.\}",

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AU - Alhindawy, I. G.

AU - Tolan, D. A.

AU - Elshehy, E. A.

AU - El-Said, W. A.

AU - Abdelwahab, S. M.

AU - Mira, H. I.

AU - Taketsugu, T.

AU - Utgikar, V. P.

AU - El-Nahas, A. M.

AU - Youssef, A. O.

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AB - This paper reports the synthesis of a hierarchically structured mesoporous architectonics silica as a pH-dependent sensor for the detection and adsorption of strontium ions (Sr2+) from radioactive strontium-contaminated water. Herein, we designed a colored sensor based on the cubical mesoporous architectonics silica monoliths that enabled the detection of extremely harmful radioactive strontium ions (Sr2+) from drinking water. The surface-coating process of hierarchically cubical silica monoliths by one-step decoration using benzenesulfonic acid, 3-[[8-(acetylamino)-2-hydroxy-1-naphthalenyl]azo]-5-chloro-2-hydroxy-sodium salt signaling probe enabled us to create a unique pH-dependent colorant sensor. In this design, the high loading capacity and trapping of the chromogenic probe could be achieved, leading to the formation of an organic-inorganic hybrid that formed from cubically-silica pores and a chromogenic probe dressing layer. In this sensing system, a remarkable change in color and absorbance intensity of the sensor for strontium ions was observed at a pH value of 10.3. The synthesized cubically porous architectonic silica sensor is tailored to enable accessibility for continuous and efficient pH-dependent-strontium ion sensing capability concerning reversibility, selectivity, and signal stability.

KW - Chromogenic probe

KW - Detection

KW - Mesoporous materials

KW - Recovery

KW - Sensor

KW - Strontium ions

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ER -

A novel pH-Dependent sensor for recognition of strontium ions in water: A hierarchically structured mesoporous architectonics

Abstract

Keywords

UN SDGs

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