Intracellular delivery - Wikipedia
Verma, A (2008). "Surface-structure-regulated cell-membrane penetration by monolayer-protected nanoparticles". Nature Materials ... In 2021 this concept was developed further when researchers showed that light-sensitive iron oxide nanoparticles embedded in ... Laser-particle interactions have been reported to precisely thermally disrupt cell membranes. Gold nanoparticles were packed ... at the target cell membrane, which then binds sialic acid residues on the red blood cell surface to induce fusion .Virosomes, ...
Organ-on-a-chip - Wikipedia
By investigating the pulmonary response to nanoparticles, researchers hope to learn more about health risks in certain ... significantly increases the rate of nanoparticle translocation across the porous membrane, when compared to a static version of ... The final steps involve the spin coating of protective surface of PDMS over the cover slip and curing. Muscular thin films (MTF ... The standard procedure for culturing organotypic brain slices (around 300 microns in thickness) uses semi-porous membranes to ...
Nanosponges - Wikipedia
The macrophage coating onto the nanoparticle surface increases the surface to volume ratio of the nanoparticle. This increased ... Researchers found that the nanosponge absorbed membrane-damaging toxins and diverted them away from their cellular targets. In ... If neutrophil membranes are used to coat nanoparticles, they contain autoantigens which causes an immune response. Rubin ... The membrane draped nanoparticles work so that once a toxin has attacked, it is trapped within the scaffolding of the ...
Proton-exchange membrane fuel cell - Wikipedia
... while nanoparticles realize high surface to weight ratios (as further described below) reducing the amount of the costly ... In addition, researchers have been investigating ways of reducing the CO content of hydrogen fuel before it enters a fuel cell ... Fuel cell membranes generally have low porosity to prevent fuel crossover and loss of voltage between the anode and cathode. ... Proton-exchange membrane fuel cells (PEMFC), also known as polymer electrolyte membrane (PEM) fuel cells, are a type of fuel ...
Shewanella oneidensis - Wikipedia
In 2017 researchers used a synthetic molecule called DSFO+ to modify cell membranes in two mutant strains of Shewanella. DSFO+ ... "Influence of outer membrane c-type cytochromes on particle size and activity of extracellular nanoparticles produced by ... Pellicle is usually formed in three steps: cells attach to the triple surface of culture device, air and liquid, then ... where its antibacterial activity can be influenced by the expression of outer membrane c-type cytochromes. Silver nanoparticles ...
Cetrimonium bromide - Wikipedia
... play a key role in nanoparticle synthesis by adsorbing to the surface of the forming nanoparticle and lowering its surface ... Surfactants also help to prevent aggregation (e.g. via DLVO mechanisms). Gold (Au) nanoparticles are interesting to researchers ... Cell membranes consist of hydrophilic and lipophilic endgroups. Therefore, detergents are often used to dissolve these ... The second proposed method is based on the dissociation of CTAB into CTA+ and Br− within the mitochondrial membrane. The ...
Potential applications of graphene - Wikipedia
Receptors on the cancer cell membrane bind TRAIL and cell surface enzymes clip the peptide thus release the drug onto the cell ... The membranes are more effective at elevated temperatures and when covered with catalytic nanoparticles such as platinum. ... Researchers built a lithium-ion battery made of graphene and silicon, which was claimed to last over a week on one charge and ... In another project, protons easily pass through slightly imperfect graphene membranes on fused silica in water. The membrane ...
Nicholas A. Kotov - Wikipedia
... and membrane properties. Kotov extended the concept of biomimetic nanostructures to inorganic nanoparticles. He established ... "Inspired by the Tissues of Living Organisms, Researchers Take One Step Closer to Harvesting "Blue Energy"". Yale E360. ... Consecutively alternating adsorption of anionic and cationic polyelectrolytes on charged surfaces". Thin Solid Films. 210/211: ... and cartilage-like membranes with both high strength and ion conductance. Kotovs research is focused on the development of ...
Polymer-protein hybrid - Wikipedia
Nonspecific protein adsorption can be controlled in vivo by modifying the nanoparticle surface with a non-toxic, biocompatible ... Stimuli responsive membrane exhibited advantages in the capture and release of different-molecular-weight products by opening ... Researchers conjugated the thermo-responsive polymer poly(N-isopropylacrylamide) (pNIPAm) with the biotin-recognizing protein ... cascade system and multiresponsive membranes, etc. Polymer capsules. Liu, Ye,, Loh, Xian Jun. Singapore. 10 May 2019. ISBN 978- ...
Uwe B. Sleytr - Wikipedia
Biomimetic interfaces comprised of S-layer proteins, lipid membranes and membrane proteins. J. R. Soc. Interface 11 (2014) ... Sleytr is an early researcher and pioneer in the field of Nanobiotechnology. He first discovered the S-layered Protein which ... and nanoparticles as patterning elements and basic building blocks for the production of sometimes very complex supramolecular ... significantly to the fact that today it is recognized that most bacteria and almost all archaea form S-layers as cell surface ...
Liangfang Zhang - Wikipedia
They found that a biodegradable polymer nanoparticle filled with small molecule drugs and red blood cell membrane could ... He was specifically recognized for his technology for cloaking nanoparticles in natural red blood cell membranes. The following ... In December 2020, Zhang was recognised as being among the worlds most influential researcher in his field from the Web of ... His research was recognized with the American Chemical Societys (ACS) 2012 Colloid and Surface Division Unilever Award. He was ...
Artificial cell - Wikipedia
... lipid membranes or polymer-lipid complexes. Further, membranes can be engineered to present surface proteins such as albumin, ... Hu CM, Zhang L, Aryal S, Cheung C, Fang RH, Zhang L (July 2011). "Erythrocyte membrane-camouflaged polymeric nanoparticles as a ... "Researchers unveil electronics that mimic the human brain in efficient learning". phys.org. Archived from the original on May ... A biological red blood cell membrane including lipids and associated proteins can also be used to encapsulate nanoparticles and ...
Andreas Bernkop-Schnürch - Wikipedia
Charge converting nanoparticles address this so-called polycation dilemma by converting their surface charge to positive at ... Andreas Bernkop-Schnürch pioneered charge-converting nanoparticles for mucosal drug delivery utilizing the membrane bound ... He is listed as a Highly Cited Researcher of the Institute of Scientific Information. Andreas Bernkop-Schnürch descends from a ... cyclodextrins that were introduced by him in 2015 providing in particular a prolonged residence time on mucosal membranes. ...
Nanoparticles for drug delivery to the brain - Wikipedia
As long as a receptor exists on the endothelial surface of the BBB, any ligand can be attached to the nanoparticles surface to ... Silver cations released from silver nanoparticles can bind to the negatively charged cellular membrane of bacteria and increase ... which therefore makes it more appealing for researchers and for the drug delivery industry. Liposomes can also be ... "Nanotechnology-mediated crossing of two impermeable membranes to modulate the stars of the neurovascular unit for ...
Vanadium redox battery - Wikipedia
"Evaluation of membranes for the novel vanadium bromine redox flow cell". Journal of Membrane Science. 279 (1-2): 394-402. doi: ... 2021 study found that penetration is reduced with hybrid sheets made by growing tungsten trioxide nanoparticles on the surface ... Many researchers explain the increased stability of V(V) at elevated temperatures by the higher proton concentration in the ... The most common membrane material is perfluorinated sulfonic acid (PFSA or Nafion). However, vanadium ions can penetrate a PFSA ...
Plasma medicine - Wikipedia
The primary route for accelerated endocytosis of nanoparticles after exposure to cold plasma is a clathrin-dependent membrane ... Significantly larger surfaces can be treated than with an individual jet. Further, the distance between the device and the skin ... It is known that electric fields can influence cell membranes from studies on electroporation. Electric fields on the cells ... a collaborative group of academic scientists of the Nyheim Plasma Institute of Drexel University and dermatologist-researcher ...
Vitaliy Khutoryanskiy - Wikipedia
... nanoparticles penetration into various biological membranes, formulation of encapsulated probiotic bacteria, new method for ... "Synthetic stomach membrane to minimise animal tests". Chemistry World. Retrieved 2022-10-20. Mansfield, Edward D. H.; Sillence ... He is recognised for his outstanding contributions to research peer review and mentoring of early career researchers. ... He also researched radiation-mediated grafting of hydrophilic polymers on polyolefin surfaces and complexes formed between ...