Sentences with phrase «coat cell surfaces»

The immune system recognizes transplanted organs as foreign tissue by telltale proteins, called the major histocompatibility complex (MHC), that coat cell surfaces.

Researchers have been able to improve the efficiency of solar cells by coating the cell surface with extremely small nanoscale structures.

Not exact matches

Coat the surfaces with an adhesive such as Tissue - Tek, sticky gunk that biologists use to affix cells to microscope plates, and chill the plates to freezing.

Next, the team set about regrowing the «flesh» of the organ by coating the inner surfaces of the scaffold with new cells.

«The cell surface is basically coated with sugars,» says Carolyn Bertozzi, a chemist at Stanford University.

In solution form, their solar absorber layer — the part made from the copper indium diselenide or CIGS materials and critical to the performance of the cell — can be easily painted or coated onto a surface.

Blind Spot A layer of nerve cells coats the innermost surface of the retina.

Bonded to a polymer coating on the stent surface, the drug prevents cells from reproducing.

When AHL is present, the cells secrete CsgA, which forms curli fibers that coalesce into a biofilm, coating the surface where the bacteria are growing.

The MSRs were then coated with lipids that formed a thin supported lipid bilayer (SLB), which resembles the outer membrane of APCs and that the researchers then functionalized with a pair of T cell - stimulating antibodies that remain mobile in the lipid layer and can bind to receptor / co-receptor molecules on the surface of T cells.

Researchers have experimented with sharp - tipped nanoparticles stuck on surfaces to deliver biomolecules to cells, but it is difficult to remove the modified cells from the nanoparticle - coated surface for further study.

Toner pumped samples of whole blood through the channels, which were coated with an antibody designed to trap any cancer cell that carries a common surface protein, much as flypaper snags pesky insects.

Atala's method involved painting several coats of Kaitlyne's muscle cells on the outer surface of a bladder - shaped mold made of collagen.

More of the antibodies that coat the nanorod can therefore bind receptors on the surface of endothelial cells, and that leads to more effective cell adhesion and more effective drug delivery.

Each microsphere is coated with collagen — a natural structural material — to provide a surface on which the stem and blood cells can anchor themselves and proliferate.

These spheres are then treated so that their surfaces are coated with the anticancer drug TRAIL, which is most effective at attacking the cell membranes of cancer cells.

The viruses also induce the bacteria to produce a second set of proteins that helps guide the assembly of P22 spheres, from the coat proteins, on the outer surface of the cell membrane.

Classical cell migration experiments use uniformly coated glass plates with the drawback that cells adhere very strongly to the glass surface and move randomly in any direction.

The bonding properties of the saccharide coating can now be switched using this method: if the researchers irradiate their system with light with a wavelength of 365 nanometres, considerably fewer pathogenic bacteria cells can adhere to the synthetic surface.

«To avoid using these extra coatings we fabricated a submicron structure using a simple wet treatment directly into the silicon surfaces to give the cell its own antireflective coating.»

She has already demonstrated that bone cells grow more vigorously and adhere better to titanium coated with TiO2 nanotubes than to conventional titanium surfaces.

The research team found that Alphamers not only bind strep and recruit anti-Gal antibodies to the bacterial surface, they also helps human immune cells engulf and kill the Alphamer - coated bacteria.

This protocol video demonstrates how to surface - coat cell culture plates and transwell inserts with Cultrex ® Basement Membrane Extract, also called Cultrex ® BME.

Resulting applications from the science could include surface coatings with tunable functions for use in bone repair or regeneration, cell adhesion, antifouling, antibacterial activities, and more.

Asymmetric formation of coated pits on dorsal and ventral surfaces at the leading edges of motile cells and on protrusions of immobile cells.

In the present work, CuSbS2 quantum dot are prepared with different size and surface passivation process for hole transport layer of perovskite solar cells by spin - coating process.

Eventually this highly increase uptake for galactose coated NP is due to a specific galactose receptor on the surface of cells [23], [29].

Primary kidney epithelial cells isolated from human proximal tubule are cultured on the upper surface of an extracellular matrix - coated, porous, polyester membrane that splits the main channel of the device into two adjacent channels, thereby creating an apical «luminal» channel and a basal «interstitial» space.

As described below, however, the LPA / LPA2 axis appears to affect T cell adhesion on the surfaces coated with LFA -1-ligand or fibronectin.

The herringbone pattern of interior surfaces in the HB - Chip brings more circulating tumor cells into contact with the antibody - coated capture surfaces.

The main role of SIgA is to defend the surfaces of the digestive system and other systems coated in mucous and to prevent these potential toxic substances from biding to cell surfaces, becoming absorbed by cells lining the mouth, throat, lungs, urethra, vagina and intestines, and ultimately invading the body.

Grooming brushes will help to remove dead surface hair and dead skin cells, also helping to distribute natural oil on the coat.

Professional Duties & Responsibilities Biomedical and biotechnology engineer with background in design of biomaterials, biosensors, drug delivery devices, microfrabrication, and tissue engineering Working knowledge of direct cell writing and rapid prototyping Experience fabricating nanocomposite hydrogel scaffolds Proficient in material analysis, mechanical, biochemical, and morphological testing of synthetic and biological materials Extensive experience in bio-imaging processes and procedures Specialized in mammalian, microbial, and viral cell culture Working knowledge of lab techniques and instruments including electrophoresis, chromatography, microscopy, spectroscopy, PCR, Flow cytometery, protein assay, DNA isolation techniques, polymer synthesis and characterization, and synthetic fiber production Developed strong knowledge of FDA, GLP, GMP, GCP, and GDP regulatory requirements Created biocompatible photocurable hydrogels for cell immobilization Formulated cell friendly prepolymer formulation Performed surface modification of nano - particle fillers to enhance their biocompatibility Evaluated cell and biomaterial interaction, cell growth, and proliferation Designed bench - top experiments and protocols to simulate in vivo situations Designed hydrogel based microfluidic prototypes for cell entrapment and cell culture utilizing computer - aided robotic dispenser Determined various mechanical, morphological, and transport properties of photocured hydrogels using Instron, FTIR, EDX, X-ray diffraction, DSC, TGA, and DMA Assessed biocompatibility of hydrogels and physiology of entrapped cells Evaluated intracellular and extracellular reactions of entrapped cells on spatial and temporal scales using optical, confocal, fluorescence, atomic force, and scanning electron microscopies Designed various biochemical assays Developed thermosensitive PET membranes for transdermal drug delivery application using Gamma radiation induced graft co-polymerization of N - isopropyl acylamide and Acrylic acid Characterized grafted co-polymer using various polymer characterization techniques Manipulated lower critical solution temperature of grafted thermosensitive co-polymer Loaded antibiotic on grafted co-polymer and determined drug release profile with temperature Determined biomechanical and biochemical properties of biological gels isolated from marine organisms Analyzed morphological and mechanical properties of metal coated yarns using SEM and Instron Performed analytical work on pharmaceutical formulations using gas and high performance liquid chromatography Performed market research and analysis for medical textile company Developed and implement comprehensive marketing and sales campaign