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All glass represents a material with extremely high utility potential in the development of biomaterials and research tools. Due to a number of its unique properties, such as chemical inertness, thermal stability, and transparency, it can be used in the preparation of hybrid materials for medicine and biotechnology. Such materials can be obtained by grafting polymer brushes from glass surface by reversible deactivation radical polymerization (RDRP) techniques. This paper provides a literature review of the foregoing advances in the development of glass surface modification concepts using atom transfer radical polymerization (ATRP) and reversible addition-fragmentation chain transfer polymerization (RAFT). These methods are particularly attractive in designing smart coatings because they enable the synthesis of polymers with a well-defined structure and low dispersity. The resulting materials can then serve as antimicrobial surfaces, tools for selective manipulation of cells, and intelligent platforms for creating cell sheets in tissue engineering. Therefore, the idea of glass modification using RDRP techniques appears to be a promising concept for the future in the development of smart materials for various applications.
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http://dx.doi.org/10.1021/acsbiomaterials.5c00908 | DOI Listing |
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View Article and Find Full Text PDFViruses
July 2025
Cancer Virology Program, Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA 15213, USA.
Viruses use a range of sophisticated strategies to evade detection by cytotoxic T-lymphocytes (CTLs) within host cells. Beyond elaborating dedicated viral proteins that disrupt the MHC class I antigen-presentation machinery, some viruses possess intrinsic, cis-acting genome-encoded elements that interfere with antigen processing and display. These protein features, including G-quadruplex motifs, repetitive peptide sequences, and rare-codon usage, counterintuitively limit production of proteins critical to virus survival, particularly during latency.
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August 2025
Department of Tropical Viral Vaccine Development, Institute of Tropical Medicine, Nagasaki University, Nagasaki 852-8523, Japan.
During the COVID-19 pandemic, the standard diagnostic assay for SARS-CoV-2 detection was RT-qPCR using TaqMan probes, with samples primarily taken through nasal and oropharyngeal swabs. The TaqMan-based method is costly, highlighting the need for a more affordable alternative for SARS-CoV-2 diagnosis. As an alternative strategy, we developed and evaluated a SYBR Green-based RT-qPCR method targeting the RNA-dependent RNA polymerase (RdRp) gene of SARS-CoV-2.
View Article and Find Full Text PDFPharmaceuticals (Basel)
July 2025
Computational Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia 61519, Egypt.
In the last few decades, the dengue virus, a prevalent flavivirus, has demonstrated various epidemiological, economic, and health impacts around the world. Dengue virus serotype 2 (DENV2) plays a vital role in dengue-associated mortality. The RNA-dependent RNA polymerase (RdRp) of DENV2 is a charming druggable target owing to its crucial function in viral reproduction.
View Article and Find Full Text PDFJ Am Chem Soc
September 2025
Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States.
Photoinduced reversible-deactivation radical polymerization (photoRDRP) techniques enable the synthesis of well-defined polymers under mild conditions. However, oxygen inhibition remains a key challenge, requiring either complex deoxygenation methods or oxygen-scavenging strategies. Here, we report a red light-driven, fully oxygen-tolerant reversible addition-fragmentation chain transfer (RAFT) polymerization mediated by methylene blue (MB) as a photosensitizer and triethanolamine (TEOA) as an electron donor.
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