Anti-LIF polyclonal antibody [Biotin]

Homosalate (HMS) is a salicylate molecule that is commonly included within commercial sunscreen formulations to provide protection from the adverse effects of ultraviolet (UV) radiation exposure. In the present work, the mechanisms by which HMS provides UV photoprotection are unravelled, using a multi-pronged approach involving a combination of time-resolved ultrafast laser spectroscopy in the gas-phase and in solution, laser-induced fluorescence, steady-state absorption spectroscopy, and computational methods. The unique combination of these techniques allow us to show that theenoltautomer of HMS undergoes ultrafast excited state intramolecular proton transfer (ESIPT) upon photoexcitation in the UVB (290-320 nm) region; once in theketotautomer, the excess energy is predominantly dissipated non-radiatively. Sharp transitions are observed in the LIF spectrum at close-to-origin excitation energies, which points towards the potential presence of a second conformer that does not undergo ESIPT. These studies demonstrate that, overall, HMS exhibits mostly favourable photophysical characteristics of a UV filter for inclusion in sunscreen formulations.

Excessive stress has deteriorated the energy crisis and environmental problems; therefore, introducing a new rechargeable battery system for large-scale energy storage and electric vehicles (EVs) has become a major concern. Recently, phosphorus (P) anode as one of the promising candidates for fast-charging lithium-ion batteries (LIBs) has gained significant attention for safe EVs due to its low cost, high energy density and relatively high lithiation voltage (ca.0.7 Vvs.Li+/Li). However, its flammability, unavoidable side reactions with the electrolyte and large volumetric variation (similar to 300%) during cycling limit its large-scale employment. Herein, a localized high-concentration flame-retardant LiFSI-based electrolyte has been reported to simultaneously construct an elastic and robust LiF-rich solid electrolyte interface (SEI) both at the P anode and sulfur cathode. Thus, a new Li3P-sulfur full battery system based on the pre-lithiated P anode and the sulfurized pyrolyzed poly(acrylonitrile) cathode was built, delivering a high capacity retention of 97.1% after 600 cycles at 1 A g(-1). This battery system avoids some fatal flaws of the Li-S battery, including Li dendrite formation and thermal instability. This work provides an alternative direction to obtain green and long-life batteries for commercial availability.