DNA-Tethered Lipid Membrane Formation via Solvent-Assisted Self-Assembly. 2023

Sangmin Lee, and Minsub Chung
Department of Chemical Engineering, Hongik University, Mapo-gu, Seoul 04066, Republic of Korea.

DNA-tethered lipid bilayers have been used in many studies, based on the controllable and well-defined properties of DNA tethers. However, their application has been limited, because it is difficult to cover a wide range of surfaces and achieve electrical insulation. We implemented an existing method, where a DNA hybrid chip on a silica or glass surface supports a lipid membrane using solvent-assisted self-assembly. The formation of a continuous lipid bilayer was confirmed through the change in quartz crystal microbalance dissipation results, depending on the presence or absence of DNA hybrids. The fluidity of the DNA-tethered lipid membranes was analyzed using a fluorescence microscope. The electrochemical analysis demonstrated the versatility of this new technique, which can be used for sensor or electrode surface modification for biosensors or bioelectronics.

UI MeSH Term Description Entries
D008051 Lipid Bilayers Layers of lipid molecules which are two molecules thick. Bilayer systems are frequently studied as models of biological membranes. Bilayers, Lipid,Bilayer, Lipid,Lipid Bilayer
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D012822 Silicon Dioxide Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid. Silica,Aerosil,Aerosil 380,Cristobalite,Quso G-32,Quso G32,Tridymite,380, Aerosil,Dioxide, Silicon,G32, Quso,Quso G 32
D012997 Solvents Liquids that dissolve other substances (solutes), generally solids, without any change in chemical composition, as, water containing sugar. (Grant & Hackh's Chemical Dictionary, 5th ed) Solvent
D015374 Biosensing Techniques Any of a variety of procedures which use biomolecular probes to measure the presence or concentration of biological molecules, biological structures, microorganisms, etc., by translating a biochemical interaction at the probe surface into a quantifiable physical signal. Bioprobes,Biosensors,Electrodes, Enzyme,Biosensing Technics,Bioprobe,Biosensing Technic,Biosensing Technique,Biosensor,Electrode, Enzyme,Enzyme Electrode,Enzyme Electrodes,Technic, Biosensing,Technics, Biosensing,Technique, Biosensing,Techniques, Biosensing
D058525 Quartz Crystal Microbalance Techniques The use of a quartz crystal microbalance for measuring weights and forces in the micro- to nanogram range. It is used to study the chemical and mechanical properties of thin layers, such as polymer coatings and lipid membranes; and interactions between molecues. Electrochemical Quartz Crystal Impedance Analysis,Quartz Crystal Microbalance,Quartz Crystal Microbalance with Dissipation Monitoring,Microbalance, Quartz Crystal,Microbalances, Quartz Crystal,Quartz Crystal Microbalances

Related Publications

Sangmin Lee, and Minsub Chung
October 2009, Journal of structural biology,
Sangmin Lee, and Minsub Chung
November 2014, Langmuir : the ACS journal of surfaces and colloids,
Sangmin Lee, and Minsub Chung
March 2015, Langmuir : the ACS journal of surfaces and colloids,
Sangmin Lee, and Minsub Chung
June 2010, The journal of physical chemistry. B,
Sangmin Lee, and Minsub Chung
February 2010, Chemphyschem : a European journal of chemical physics and physical chemistry,
Sangmin Lee, and Minsub Chung
January 2022, Journal of photochemistry and photobiology. B, Biology,
Sangmin Lee, and Minsub Chung
August 2015, Nature communications,
Sangmin Lee, and Minsub Chung
June 2010, The journal of physical chemistry. B,
Sangmin Lee, and Minsub Chung
October 2018, The journal of physical chemistry letters,
Sangmin Lee, and Minsub Chung
December 2015, Physical chemistry chemical physics : PCCP,
Copied contents to your clipboard!