Monthly Archives: April 2018

Optoelectronic properties of single and array of 1-D III-nitride nanostructures: An approach to light-driven device and energy resourcing

One dimensional (1-D) group III-nitride nanostructures are important components of optoelectronic devices owing to its unique feature of unidirectional carrier flow, and efficient electrical connectivity. The group III-nitride materials are attractive for the application as low power white and blue–green light sources provide a green and extended operational life. We discuss the luminescence phenomena observed in single or arrayed 1-D III-nitride nanostructures including quantum wells. The role of these 1-D nanostructures is critically reviewed in the field of ‘green’ energy generation, namely hydrogen source in fuel cells, the photoelectrochemical workhorse in renewable energy resourcing, and in solar cells.

Source:: http://www.pubs.iscience.in/journal/index.php/jmns/article/view/759

      

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Chemical extraction and biomedical importance of secondary organic metabolites from plants – A review

Medicinal plants are the important source of potentially useful chemotherapeutic agents which have made enormous contributions to human health and well-being. The bacteria, fungi, virus, etc have developed resistance against available drugs. The secondary metabolites of the variety of plants can serve as major source for the development of new drugs for the treatment of different diseases and infections. Depending upon the bioactive constituents present in the plant sample, these metabolites are extracted by different methods including most recent soxhlet, microwave, ultrasound, supercritical fluid, etc extractions. The different groups of secondary metabolites with their structural variations, chemical extraction methods and their potent biomedical applications have been discussed in this review.

Source:: http://www.pubs.iscience.in/journal/index.php/jbts/article/view/772

      

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