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A cell being extruded from an epithelium, with actin in red, microtubules in green, and DNA in blue. model of extrusion signaling Cell extrusion, discovered in 2001, [1] is a process conserved in epithelial from humans to sea sponge [2] to seamlessly remove unwanted or dying cells while maintaining the integrity of the epithelial barrier. [3]
Once started, this resonance may not correct itself, requiring a complete shutdown of the extrusion line. It has been shown that draw resonance occurs once a critical drawdown ratio is exceeded; this ratio is dependent on the flow behavior (i.e. Newtonian, shear thinning) and viscoelastic behavior of the fluid.
Originally, the FRAP technique was intended for use as a means to characterize the mobility of individual lipid molecules within a cell membrane. [1] While providing great utility in this role, current research leans more toward investigation of artificial lipid membranes.
Loop extrusion is a major mechanism of Nuclear organization. It is a dynamic process in which structural maintenance of chromosomes (SMC) protein complexes progressively grow loops of DNA or chromatin.
Contributing structures of the carbonate ion. In chemistry, resonance, also called mesomerism, is a way of describing bonding in certain molecules or polyatomic ions by the combination of several contributing structures (or forms, [1] also variously known as resonance structures or canonical structures) into a resonance hybrid (or hybrid structure) in valence bond theory.
The applications of fluorescence resonance energy transfer (FRET) have expanded tremendously in the last 25 years, and the technique has become a staple in many biological and biophysical fields. FRET can be used as a spectroscopic ruler to measure distance and detect molecular interactions in a number of systems and has applications in biology ...
Surface plasmon resonance (SPR) is a phenomenon that occurs where electrons in a thin metal sheet become excited by light that is directed to the sheet with a particular angle of incidence, and then travel parallel to the sheet. Assuming a constant light source wavelength and that the metal sheet is thin, the angle of incidence that triggers ...
The surface plasmon resonance microscopy is based on surface plasmon resonance and recording desired images of the structures present on the substrate using an instrument equipped with a CCD camera. In the past decade, SPR sensing has been demonstrated to be an exceedingly powerful technique and used quite extensively in the research and ...