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Updated: Jun 10, 2026

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Protein Kinase C-delta Inhibitor Peptide Formulation using Gold Nanoparticles
Published on: March 9, 2019
Sunlight mediated disruption of peptide-based soft structures decorated with gold nanoparticles
Apurba Kr Barman1, Sandeep Verma
1Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016 (UP), India.
Summary
Researchers developed a novel C(3)-symmetric thiolated conjugate. This conjugate interacts with gold nanoparticles, releasing dye under sunlight via thiol group interaction.
Area of Science:
- Materials Science
- Nanotechnology
- Bioconjugation Chemistry
Background:
- C(3)-symmetric molecules offer unique structural properties.
- Thiolated compounds are useful for nanoparticle functionalization.
- Ditryptophan conjugates can form self-assembled soft structures.
Purpose of the Study:
- To synthesize and characterize a novel C(3)-symmetric thiolated ditryptophan conjugate.
- To investigate the interaction of this conjugate with gold nanoparticles.
- To explore the potential for light-mediated cargo release.
Main Methods:
- Morphological studies using advanced imaging techniques.
- Synthesis of a C(3)-symmetric ditryptophan conjugate with exposed thiol groups.
- Assembly of soft structures and interaction with gold nanoparticles.
- Monitoring of fluorescent dye release upon sunlight exposure.
Main Results:
- Successful synthesis and characterization of the novel C(3)-symmetric thiolated ditryptophan conjugate.
- Demonstrated interaction between the conjugate's thiol groups and gold nanoparticles.
- Observed mediated release of encapsulated fluorescent dye triggered by natural sunlight.
Conclusions:
- The novel C(3)-symmetric thiolated ditryptophan conjugate forms functional soft structures.
- Thiol-gold nanoparticle interactions are key to the system's responsiveness.
- This conjugate shows potential for sunlight-activated drug delivery or sensing applications.

