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Updated: May 29, 2026

Application of Genetically Encoded Fluorescent Nitric Oxide (NO•) Probes, the geNOps, for Real-time Imaging of NO• Signals in Single Cells
Published on: March 16, 2017
Nanocarriers for nitric oxide delivery.
Juliana Saraiva1, Samantha S Marotta-Oliveira, Simone Aparecida Cicillini
1Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14010-903 Ribeirão Preto, SP, Brazil.
Nitric oxide (NO) offers therapeutic benefits but faces delivery challenges. Nanotechnology presents a promising strategy to overcome NO donor limitations for improved biomedical applications.
Area of Science:
- Biomedical engineering
- Pharmaceutical sciences
- Nanomedicine
Background:
- Nitric oxide (NO) exhibits significant vasodilative, antibacterial, and tumoricidal properties, making it a promising pharmaceutical agent.
- Numerous synthetic compounds have been developed to stabilize and control the release of NO for therapeutic purposes.
- Current applications of NO are hindered by its short half-life, instability, potential toxicity, and challenges in controlled in vivo delivery.
Purpose of the Study:
- To explore strategies for enhancing the therapeutic utility of nitric oxide (NO) donors.
- To address the limitations of NO delivery, including stability, toxicity, and controlled administration.
- To investigate the potential of nanotechnology in improving NO-based therapeutics.
Main Methods:
- Development of synthetic compounds for controlled NO release (e.g., nitrosothiols, N-diazeniumdiolates).
- Evaluation of NO donor stability, toxicity, and delivery methods.
- Exploration of nanotechnology-based approaches for NO delivery.
Main Results:
- Synthetic NO donors offer controlled release but face inherent limitations.
- Challenges in NO delivery include short half-life, instability, and dose control.
- Nanotechnology is identified as a key strategy to overcome these limitations.
Conclusions:
- Nanotechnology offers a viable strategy to enhance the stability and delivery of nitric oxide (NO) donors.
- Overcoming NO delivery challenges through nanotechnology can significantly increase its therapeutic applicability.
- Further research into nanocarrier systems is crucial for advancing NO-based therapies.
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