Small but mighty – the vast potential of RNA nanotechnology

Mar 15, 2023 (Nanowerk Spotlight) Nucleic acids are becoming increasingly popular for assembling nanoscale structures, thanks to their programmable dimensionality and direct applications in the biological field. Despite the fact that DNA nanotechnology has been explored more deeply over a longer period of time, RNA nanotechnology offers complementary opportunities and...

Novel tunable 2D nanosheets enable many semiconductor applications, ranging from electronics to photocatalysis

Mar 15, 2023 (Nanowerk News) Nanosheets, which include the well-known material graphene, are materials that possess nanoscale homogenous thicknesses, flat surfaces, and high crystallinity. Nanosheets have wide applications in photocatalysis, photoluminescence, and electronics. Recently, perovskites, which have semiconductor properties, have received attention in the scientific community as a promising material...

Designing more useful bacteria

Mar 15, 2023 (Nanowerk News) In a step forward for genetic engineering and synthetic biology, researchers have modified a strain of Escherichia coli bacteria to be immune to natural viral infections while also minimizing the potential for the bacteria or their modified genes to escape into the wild. The work...

DNA origami boosts electrochemical biosensor performance

Mar 14, 2023 (Nanowerk News) Electrochemical DNA biosensors hold significant promise for monitoring of various diseases. Overall, their detection applications are vast, from target DNA analytes such as bacterial genes and tumor sequences to clinically relevant concentrations of SARS CoV-2 biomarkers, for example. However, to achieve appropriate sensitivity and selectivity...

Tracking lithiation with transmission electron microscopy

Mar 14, 2023 (Nanowerk News) In a paper published in SCIENCE CHINA Chemistry ("Tracking lithiation with transmission electron microscopy"), the research progress of transmission electron microscopy study on Li ion battery materials has been reviewed in three aspects: analytical TEM to directly identify Li ions, cryo-TEM technique to explore beam-sensitive...