Influence of a bithiophene substituent on the properties of a new fluorescent probe – Theoretical and experimental study

Kula, Sławomir; Kaźmierski, Łukasz; Filapek, Michał; Krawczyk, Przemysław

doi:10.1016/j.molstruc.2023.135151

Cited by 2 publications

(2 citation statements)

References 45 publications

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“…Table S9 (Supporting Information) shows the theoretical values of the excitation energy (λ Ab ). In accordance with previous experience in the selection of the DFT functional, [ 67–74 ] calculations of linear optical properties were performed using only PBE0. Comparing the vertical values (λ vert ) with those obtained within the cLR approximation (λ cLR ) (Table S10, Supporting Information), the former are closer to the experimental data.…”

Section: Resultsmentioning

confidence: 99%

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Unveiling All‐Optical Switching Phenomenon in Anthracene Derivatives: A Comprehensive Study on Optical and Nonlinear Optical Multifunctionality

Szukalski,

Zajac,

Pardus

et al. 2024

Advanced Optical Materials

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In this study, it is considered three anthracene derivatives, characterized meticulously in terms of their chemical structure and product purity. Extensive quantum chemical calculations are conducted to elucidate their optical and nonlinear optical properties, shedding light on the mechanism of photoinduced conformational transformation, a pivotal discovery in this research. Experimental analyses encompassed fundamental optical properties and advanced nonlinear optical phenomena, including z‐scan experiments, second harmonic generation (SHG), and third harmonic generation (THG). Remarkably, a groundbreaking all‐optical switching phenomenon in these materials is experimentally validated, marking a significant advancement and contributing to their potential applications.

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Section: Resultsmentioning

confidence: 99%

“…Table S9 (Supporting Information) shows the theoretical values of the excitation energy (𝜆 Ab ). In accordance with previous experience in the selection of the DFT functional, [67][68][69][70][71][72][73][74] calculations of linear optical properties were performed using only PBE0.…”

Section: Linear Optical Propertiesmentioning

confidence: 99%

Unveiling All‐Optical Switching Phenomenon in Anthracene Derivatives: A Comprehensive Study on Optical and Nonlinear Optical Multifunctionality

Szukalski,

Zajac,

Pardus

et al. 2024

Advanced Optical Materials

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The Influence of the Functional Group on the Physicochemical and Biological Properties of New Phenanthro[9,10-d]-Imidazole Derivatives

Kula,

Kalarus,

Kaźmierski

et al. 2024

Molecules

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The search for safe, cheap, and repeatable diagnostic methods is a fundamental research goal. Currently, great hope is placed on fluorescence imaging. However, the development of this method mainly depends on efficient fluorescent probes. Designing and obtaining new probes with potential applications in fluorescence imaging is very difficult because compounds of this type must meet several requirements related to their properties. Therefore, this article attempted to obtain and study new phenanthro[9,10-d]-imidazole derivatives (PK1–PK3) with potential application as fluorescent probes for fluorescence imaging. The main goal of the work was to assess the effect of two functional groups (such as the formyl group (PK2) and rhodanine-3-acetic acid (PK3)) on selected physicochemical properties and possibilities of practical application of the considered compounds. The conducted studies proved that the influence of the functional group is significant, as it causes a bathochromic shift in both absorption and emission results (by the order PK1 < PK2 < PK3). Moreover, all compounds could stain live cells cultured in vitro. The staining efficiency was not affected by the cell line, thanks to which we obtained the correct staining of both mouse and human cell lines. PK3 was the most attractive of the tested compounds due to its staining potential of live cells and retention after fixation. Our results also showed some antibacterial and antifungal activity of the newly synthesized compounds (PK1–PK3). Among them, PK3 showed the highest antimicrobial effect, especially against Gram-positive bacteria.

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Influence of a bithiophene substituent on the properties of a new fluorescent probe – Theoretical and experimental study

Cited by 2 publications

References 45 publications

Unveiling All‐Optical Switching Phenomenon in Anthracene Derivatives: A Comprehensive Study on Optical and Nonlinear Optical Multifunctionality

Unveiling All‐Optical Switching Phenomenon in Anthracene Derivatives: A Comprehensive Study on Optical and Nonlinear Optical Multifunctionality

The Influence of the Functional Group on the Physicochemical and Biological Properties of New Phenanthro[9,10-d]-Imidazole Derivatives

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