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Mimicking nature’s twist: time-evolving helicity in a polymer

A team of scientists developed a chlorophyll-based supramolecular polymer that can gradually evolve from nonhelical fibers into well-defined helical structures. The transformation occurs cooperatively and is driven by small energy differences between stable arrangements, offering a blueprint for designing dynamic helical structures.

Breakthrough in designing complicated all-α protein structures

A team of researchers created five unique all-α protein structures with non-uniformly arranged α-helices, holding immense potential for designing functional proteins. The novel approach enables the generation of a diverse set of all-α protein structures by combining typical motifs and canonical α-helices.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.