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Updated: Jan 12, 2026

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

Material-driven nanoplatforms for precision hydrogen sulfide delivery.

Huiting Xu¹, Yang Liu², Tiandong Chen¹

¹State Key Laboratory of Digital Medical Engineering, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, Jiangsu, 210096, PR China.

|November 5, 2025

Summary

This summary is machine-generated.

Hydrogen sulfide (H₂S), once toxic, is now a key signaling molecule. Precision delivery systems harness its dual roles for treating diseases like cancer and neurodegeneration.

Keywords:

Dual-concentration effects Gasotransmitter Hydrogen sulfide Therapeutic nano-delivery

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Last Updated: Jan 12, 2026

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

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Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis

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Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition

Published on: May 2, 2014

Area of Science:

Biochemistry
Molecular Biology
Pharmacology

Background:

Hydrogen sulfide (H₂S) is recognized as a crucial gaseous signaling molecule with dual roles in biological regulation and disease.
Enzymatic pathways (CBS, CSE, 3-MST) produce H₂S, influencing neuronal integrity, cardiovascular health, and metabolism.
H₂S exhibits protective functions at 10-100 μM, but imbalances are linked to pathologies.

Purpose of the Study:

To review advancements in precision-controlled H₂S modulation technologies.
To explore stimuli-responsive delivery systems for managing H₂S's concentration-dependent effects.
To discuss challenges and opportunities in optimizing H₂S therapeutics.

Main Methods:

Systematic analysis of current research on H₂S modulation technologies.
Examination of nanoscale delivery systems for targeted H₂S application.
Review of strategies for therapeutic window optimization and biosafety.

Main Results:

Emerging nanoscale systems offer enhanced spatiotemporal control for H₂S delivery.
These systems capitalize on H₂S's dichotomous bioactivities in managing diseases.
Progress has been made in resolving H₂S concentration-dependent paradoxes.

Conclusions:

Precision H₂S modulation holds significant clinical potential for various pathologies.
Nanoscale delivery systems are key to harnessing H₂S's therapeutic benefits.
Integrating material science and systems biology is crucial for future H₂S-based therapies.