Science, Technology, Engineering & Mathematics - STEM

Nature Reviews Methods Primers: Size-exclusion chromatography coupled with multi-angle static light scattering allows for the separation of macromolecules or colloids in suspension and the determination of the molar mass of the components. This Primer covers the equipment, sample preparation and controls needed for a size-exclusion chromatography, and reviews the applications and challenges in the field.

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Nature Reviews Methods Primers: This Primer provides an introduction to quantum imaging with correlated photon pairs, from core concepts to experimental realizations. It discusses potential advantages over classical imaging, practical design issues, and the emerging applications and challenges that will shape future progress of the field.

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The first experimental realization of quantum optical skyrmions in a semiconductor QED system Skyrmions are localized, particle-like excitations in materials that retain their structure due to topological constraints (i.e., restrictions arising from properties that remain unchanged under smooth deformations). These quasiparticles, first introduced in high-energy physics and quantum field the...