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Quercetin (3,3′,4′,5,7-pentahydroxyflavone, Qu) is a promising cancer chemo-preventive agent for various cancers because it inhibits disease progression and promotes apoptotic cell death. In our previous study, we demonstrated that Qu could evoke ER stress to enhance drug cytotoxicity in ovarian cancer (OC). However, Qu-induced ER stress in OC is still poorly understood. Here, we demonstrated that...
Waveform transmission characteristic of nanosecond pulse laser in both step-index(SI) fiber and grad-index (GI) fiber with very large diameter (105μm) fiber have been experimentally investigated. In SI fiber, different energy and fiber length are engaged in the experiments. Results show that the change of energy and fiber length will respectively produce different affect on pulse broadening and waveform...
We experimentally investigate the Stimulated Brillouin Scattering (SBS) beam profile in very large core (105μm) fibers with nanosecond pulse. Both phase conjugation and mode depression effect in different conditions are achieved and studied. Beam shape of step-index (SI) fiber and graded-index (GI) fiber with same parameters are contrasted. And a mode clean up mechanism in GI fiber has been suggested.
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