Publications by authors named "A Iu Sergeev"
Redox-active polymer gels are promising materials for various applications, such as energy conversion and storage systems, organic electronics, soft-robotics, sensors and others. This is in part due to the remarkable structural tunability of these materials. The gel may adopt different conformations depending on the crosslinking density, solvent temperature and other conditions.
View Article and Find Full Text PDFThe chemical modifications of DNA are of pivotal importance in the epigenetic regulation of cellular processes. Although the function of 5-methylcytosine (5mC) has been extensively investigated, the significance of 5-hydroxymethylcytosine (5hmC) has only recently been acknowledged. Conventional methods for the detection of DNA methylation frequently lack the capacity to distinguish between 5mC and 5hmC, resulting in the combined reporting of both.
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- This study focuses on improving light emission from perovskite nanocrystal films, which are important for light-emitting devices, by using a TiO grating to enhance light extraction.
- The research found that this method resulted in a 10-fold increase in emission intensity and a reduction in photoluminescence lifetime, indicating a more efficient light output.
- Results from various imaging techniques revealed how the grating interacts with the nanocrystals, paving the way for developing higher-performing perovskite optoelectronic devices.
The annual number of reported human cases of flavivirus infections continues to increase. Measures taken by local healthcare systems and international organizations are not fully successful. In this regard, new approaches to treatment and prevention of flavivirus infections are relevant.
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- - Chiral semiconducting nanomaterials, like AgBiS nanocrystals (NCs), have great potential in various fields, but achieving a strong circular dichroism (CD) signal has been challenging due to complex surface engineering and unclear mechanisms.
- - A new strategy involving chiral ligand exchange with cysteine was developed, leading to significant enhancements in the CD signal in the near-UV region, with peaks at 260 and 320 nm, which help explain the ligand binding effects on the signal.
- - The research utilized density-functional theory to show how ligand interactions cause crystal distortion and efficient electron transfer, resulting in an impressive CD signal, which was further validated by creating a spin-filter device with over 86