Osmotic conditions play an important role in the cell properties of human red blood cells(RBCs),which are crucial for the pathological analysis of some blood diseases such as *** the past decades,numerous efforts have...
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Osmotic conditions play an important role in the cell properties of human red blood cells(RBCs),which are crucial for the pathological analysis of some blood diseases such as *** the past decades,numerous efforts have mainly focused on the study of the RBC biomechanical properties that arise from the unique deformability of ***,we demonstrate nonlinear optical effects from human RBCs suspended in different osmotic ***,we observe self-trapping and scattering-resistant nonlinear propagation of a laser beam through RBC suspensions under all three osmotic conditions,where the strength of the optical nonlinearity increases with osmotic pressure on the *** tunable nonlinearity is attributed to optical forces,particularly the forward-scattering and gradient ***,in aged blood samples(with lysed cells),a notably different nonlinear behavior is observed due to the presence of free *** use a theoretical model with an optical force-mediated nonlocal nonlinearity to explain the experimental *** work on light self-guiding through scattering biosoft-matter may introduce new photonic tools for noninvasive biomedical imaging and medical diagnosis.
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