The aim of this research was to determine the SPF values of sunscreens emulsions containing chemical and physical sunscreens by UV spectrophotometry applying Mansur mathematical equation (Equation 2).

Acetylacetone Spectrophotometric determination of migration of formaldehyde and Hexamethylenetetramine from plastics into food simulants. Shipin Kexue, 30, 172-175.

Quantum mechanics has a reputation that precedes it. Virtually everyone who has bumped up against the quantum realm, whether ...

Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings ...

In June, Orange, Calif.-based UCI Health tapped Gary Deng, MD, PhD, as director of the Integrative Oncology program at the UCI Health Chao Family Comprehensive Cancer Center, in partnership with ...

Benchtop NMR techniques for polymer molecular weight determination: end-group analysis and self-diffusion coefficients ...

Spectrophotometric analysis of the fluorescing medium from carGFP plants revealed an emission peak at 510 nm characteristic of intact S65C protein 7 (Fig. 2E, left panel), which was absent from ...

In automatic assembly, a vibratory bowl feeder plays a crucial role for reorienting the parts and feeding them into an assembly process. Taking the bowl as a platform and three prismatic flat-spring ...

The Lyapunov equation is widely employed in the engineering field to analyze stability of dynamic systems. In this paper, based on a new evolution formula, a novel finite-time recurrent neural network ...

The spectrophotometric analysis of samples using a Griess reagent-based spectrophotometric assay was carried out using an UV–vis spectrophotometer (Model Cary 60, Agilent, Santa Clara, CA, USA), with ...