Flexible thermoelectric generators from spray-printed PEDOT:PSS/BiSbTe composites.

Energy harvesting technologies play a pivotal role in powering the next generation of wearable and portable devices, where thin-film thermoelectric generators (TEGs) offer a compact and flexible solution. In this study, flexible thin films of poly(3,4-ethylenedioxythiophene)polystyrene sulfonate (PEDOT:PSS)/BiSbTe composite on flexible polymeric substrates were initially developed using a spray printing technique. The effect of substrate temperature during printing was assessed on the microstructural and thermoelectric properties, yielding a maximum power factor at a substrate temperature of 110 °C.

C-Alkylated flavonoids from the whole plants of Desmodium caudatum and their anti-TMV activity.

Background: Natural products are important sources of biopesticides to control plant virus, and flavonoids are identified as promising anti-tobacco mosaic virus (TMV) agents. Since Desmodium caudatum is a rich source of flavonoids, this study focuses on the discovery of the new anti-TMV active flavonoids from D. caudatum and their possible mode of action.

A new phenanthropyran and a new biphenanthrene from the rhizomes of and their antioxidant activities.

A new phenanthropyran, dioscorone B (), and a new phenanthrene (), together with seven known compounds (-), were isolated from the 75% ethanol extract of rhizomes. The chemical structures of these compounds were elucidated by comprehensive spectroscopic methods including NMR, HRESIMS, IR, and UV spectra. Compounds were first isolated from genus .