搜索结果: 1-15 共查到“膜生物化学 lipid”相关记录20条 . 查询时间(0.078 秒)
Individual Vesicle Fusion Events Mediated by Lipid-anchored DNA
Cholesterol DNA Lipid Bilayers Phosphatidylcholines Phosphatidylethanolamines Membrane Fusion Unilamellar Liposomes
2016/5/25
Membrane fusion consists of a complex rearrangement of lipids and proteins that results in the merger of two lipid bilayers. We have developed a model system that employs synthetic DNA-lipid conjugate...
Formation and Analysis of Topographical Domains Between Lipid Membranes Tethered by DNA Hybrids of Different Lengths
Cell Membrane DNA Membrane Lipids Lipid Bilayers 1,2-Dipalmitoylphosphatidylcholine Microscopy, Fluorescence Base Sequence Molecular Sequence Data Models,Chemical Unilamellar Liposomes
2016/5/25
We recently described a strategy to prepare DNA-tethered lipid membranes either to fixed DNA on a surface or to DNA displayed on a supported bilayer [Boxer et al., J. Struct. Biol., 2009, 168, 190; Bo...
Stability of DNA-Tethered Lipid Membranes with Mobile Tethers
Metallic glasses Rapid-solidification Microstructure Mechanical properties
2016/5/25
We recently introduced two approaches for tethering planar lipid bilayers as membrane patches to either a supported lipid bilayer or DNA-functionalized surface using DNA hybridization (Chung, M.; Lowe...
Covalent Attachment of Lipid Vesicles to a Fluid-Supported Bilayer Allows Observation of DNA-Mediated Vesicle Interactions
Caspian and Black Sea waters reverse-osmotic desalination Na-zeolite softening of the permeate
2016/5/25
Specific membrane interactions such as lipid vesicle docking and fusion can be mediated by synthetic DNA-lipid conjugates as a model for the protein-driven processes that are ubiquitous in biological ...
Kinetics of DNA-mediated Docking Reactions Between Vesicles Tethered To Supported Lipid Bilayers
DNA electron transfer oxidative stress redox regulation
2016/5/25
Membrane-membrane recognition and binding are crucial in many biological processes. We report an approach to studying the dynamics of such reactions by using DNA-tethered vesicles as a general scaffol...
Phase Separation of Lipid Membranes Analyzed with High-Resolution Secondary Ion Mass Spectrometry
Cell Membrane Membrane Microdomains Membrane Lipids Lipid Bilayers Phosphatidylcholines Membrane Proteins Spectrometry, Mass, Secondary Ion Nanotechnology
2016/5/24
Lateral variations in membrane composition are postulated to play a central role in many cellular events, but it has been difficult to probe membrane composition and organization on length scales of t...
Patterned Supported Lipid Bilayers and Monolayers on Poly(dimethylsiloxane)
cyclohexanone monooxygenase sulphide oxidation biocatalysis engineered whole cells
2016/5/24
A simple and practical method for patterning supported lipid bilayers on poly(dimethylsiloxane) is presented. By using electron microscopy grids to laterally control the extent of plasma oxidation, th...
Arrays of Mobile Tethered Vesicles on Supported Lipid Bilayers
Oligonucleotides,Antisense Lipid Bilayers Phosphatidylcholines Fluorescent Dyes Liposomes
2016/5/24
We report a new system of laterally mobile, arrayed vesicles that are encoded with DNA to control tethering to fluid-supported phospholipid bilayers. The motion of individual fluorescently labeled ves...
Micropattern Formation in Supported Lipid Membranes
Lipid Bilayers Phospholipids Microchemistry Diffusion Membrane Fluidity Electrochemistry
2016/5/24
Phospholipid vesicles exhibit a natural tendency to fuse and assemble into a continuous single bilayer membrane on silica and several other substrate materials. The resulting supported membrane mainta...
Patterning and Composition Arrays of Supported Lipid Bilayers by Microcontact Printing
biological molecules-nucleic acids self-assembly scanning tunneling microscopy gold
2016/5/23
Fluid-supported lipid bilayers self-assemble on glass and SiO2 surfaces. We have found that it is also possible to assemble fluid bilayers on plasma-oxidized polydimethyl siloxane (PDMS) surfaces. Fur...
Polymer-supported Lipid Bilayers on Benzophenone-modified Substrates
Polymer Lipid Bilayers Benzophenone modified Substrates
2016/5/23
Solid-supported lipid membranes are important for their roles in fundamental biophysical research as well as in applications such as biosensors. In our study, lipopolymers containing alkyl side chains...
Molecular Transport and Organization in Supported Lipid Membranes
Supported lipid membranes Molecular transport Membrane patterning PDMS stamp
2016/5/23
The mechanism by which vesicles spontaneously form supported lipid bilayer membranes on glass surfaces is becoming better understood and this knowledge is the basis of a technology of patterning membr...
Formation of Supported Lipid Bilayer Composition Arrays by Controlled Mixing and Surface Capture
tetrafluorophosphite mean amplitudes of vibration bond properties
2016/5/23
Virtually all structures in living cells are defined by lipid bilayers. Many molecular components can diffuse along these 2-dimensional structures, sampling all or part of the membrane, and this diffu...
Printing via Photolithography on Micropartitioned Fluid Lipid Membranes
Lipid membranes Liquid surfaces Micropatterning
2016/5/23
In a fluid medium there is continuous diffusive mixing among components. In order to retain spatial information such as a concentration gradient or an image in the absence of external forces, the flui...
Patterning Barriers to Lateral Diffusion in Supported Lipid Bilayer Membranes by Blotting and Stamping
Patterning Barriers Lateral Diffusion Lipid Bilayer Membranes Blotting Stamping
2016/5/23
Two new methods are introduced for patterning fluid lipid bilayer membranes on solid supports. These methods are based on the observation that supported membranes undergo self-limiting lateral expansi...