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Synthesis structures and spectroscopic properties of mono and bridged BODIPYs
배세원 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.1
The boron dipyrromethenes (BODIPYs) have attracted great attention in recent decades with high molar extinction coefficients, fluorescent quantum yields, negligible triplet state formation, narrow emission bandwidths with high peak intensities, excellent thermal and photochemical stabilities. The electronic and photophysical properties of BODIPYs can be fine-tuned for different applications by the structural modification of the boron-dipyrrin core or by making their dimers and oligomers. Reports on covalently linked BODIPY dimers are on the rise but still there is a need to study the photophysical properties of mono and bridged BODIPY dimers. In this work, we focus our work on the meso-meso linked dimeric BODIPYs and mono BODIPYs with different alkyl substituents. In this contribution, we present the structure of BODIPYS, NMR, MALDI-MS, photophysical properties.
Translating a Conformational Change of Biomolecule into Macroscopic Motion in Dynamic Hydrogels
배세원 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.1
Hydrogels are water-swollen polymer networks that have found a range of applications from drug delivery to regenerative medicine. Historically, their design has consisted mainly of static systems and those that undergo simple degradation. However, advances in polymer synthesis and processing have led to a new generation of dynamic systems that are capable of responding to artificial triggers and biological signals with spatial precision. These systems will open up new possibilities for hydrogels as model biological structures and in tissue regeneration. In this seminar, I will present the evolution of hydrogel design towards dynamic behavior and particularly emphasize recent developments in hydrogel design that offer the ability to precisely control trigger-responsive properties.
Dynamic Behavior of PEG-based Hydrogels in Biological Environment
Se Won Bae(배세원) 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Hydrogels are water-swollen polymer networks that have found a range of applications from drug delivery to regenerative medicine. Historically, their design has consisted mainly of static systems and those that undergo simple degradation. However, advances in polymer synthesis and processing have led to a new generation of dynamic systems that are capable of responding to artificial triggers and biological signals with spatial precision. These systems will open up new possibilities for hydrogels as model biological structures and in tissue regeneration. In this contribution, I will present the evolution of hydrogel design towards dynamic behavior and particularly emphasize recent developments in hydrogel design that offer the ability to precisely control trigger-responsive properties.
A Quencher-Fluorophore-Type Probe for Detection and Imaging of NADPH in Human Breast Cancer Cells
유근혁,김성령,배세원,여운석 대한화학회 2019 Bulletin of the Korean Chemical Society Vol.40 No.8
A new fluorogenic trimethyl lock quinone (TLQ) derivative, designated as the quencher-TLQ-fluorophore-type probe (Q-TLQ-F), was developed for selective detection of nicotinamide adenine dinucleotide phosphate (NADPH). By taking advantage of the well-known facile intramolecular ring cyclization reaction (δ-lactonization) of TLQ that can release a reporter molecule upon reduction, Q-TLQ-F was successfully applied for the detection of physiological NADPH generated by glucose-6-phosphate dehydrogenase in human breast cancer MDA-MB-231 cells.