Conducting 1D nanostructures from light-stimulated copper-metalated porphyrin-dibenzothiophene.

Control over the dimensionality of stimulated organic semiconductors has aroused significant interest in organic electronics; however, the design of such materials still remains to be decided. Herein, we have developed three dibenzothiophene-appended freebase, zinc-metalated and copper-metalated porphyrin derivatives (PFb-DBT, PZn-DBT and PCu-DBT) in which PCu-DBT leads to an anion-binding complex in chloroform upon the application of light, resulting in self-assembled 1D nanostructures with high electrical conductivity. Nevertheless, light-stimulated freebase and zinc-metalated P-DBT undergo protonation and demetalation.

Effectiveness of intellectual color game, audio-visual and stress ball distraction methods on gagging and anxiety management in children.

Objectives: To compare the effectiveness of Intellectual color game, Audio-Visual and Stress Ball distraction methods on gagging and anxiety management in children.

Study Design: One hundred eight children, between 5 and 12 years of age, with gag reflex score ranging from G1 to G3 requiring upper and lower alginate impressions for diagnostic purpose were included in the study. The baseline gagging score (G0) and baseline anxiety (A0) was recorded for included children.

Energy and carbon budgeting of traditional land use change with groundnut based cropping system for environmental quality, resilient soil health and farmers income in eastern Indian Himalayas.

Energy intensive traditional cereals based monoculture often lead to high greenhouse gas emissions and degradation of land and environmental quality. Present study aimed at evaluating the energy and carbon budget of diversified groundnut (Arachis hypogea L) based cropping system with over existing traditional practice towards the development of a sustainable production technology through restoration of soil and environmental quality and enhancement of farming resiliency by stabilizing farmers' income. The trials comprised of three introduced groundnut based systems viz.