Publications by authors named "Lilian Pereira Franco"

Background/aim: Melanoma represents a big challenge for clinical treatment. Besides being the most aggressive and the deadliest form of skin cancer, it is often refractory to commonly used anticancer drugs. Hence, developing new anti-cancer agents is crucial to improve refractory melanoma treatment.

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Two novel triruthenium clusters, [Ru(μ-O)(μ-OOCCH)(NO)L]PF (L = 4‑acetylpyridine, 1, or 4‑tert‑butylpyridine, 2) release NO. Their spectroscopic and electrochemical characterization confirmed their structure. These complexes efficiently deliver NO in solution under irradiation at λ = 377 nm and/or through chemical reduction with ascorbic acid.

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We describe the use of cadmium telluride quantum dots (CdTe QDs) as antennas for the photosensitization of nitric oxide release from a ruthenium nitrosyl complex with visible light excitation. The CdTe QDs were capped with mercaptopropionic acid to make them water-soluble, and the ruthenium nitrosyl complex was cis-[Ru(NO)(4-ampy)(bpy)2](3+) (Ru-NO; bpy is 2,2'-bipyridine, and 4-ampy is 4-aminopyridine). Solutions of these two components demonstrated concentration-dependent quenching of the QD photoluminescence (PL) as well as photoinduced release of NO from Ru-NO when irradiated by 530 nm light.

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