Retraction notice to “Organometallic cerium oxide nanostructures acted as nanofertilizer during callogenesis and organogenesis of recalcitrant plant Berberis lycium Royle” [Mater. Today Commun. 20 (2019) 100544]

Antioxidant Potential of Root Bark of Berberis Lycium Royle. from Galliyat, Western Himalaya, Pakistan

This study was to compare the relative level of antioxidant activity of methanolic extract of root bark of Berberis lycium Royle., in different test systems of antioxidant determination i.e ABTS (2,2’-azinobis-(3-ethyl-benzothiazoline-6-sulfonic acid) radical cation assay, Phosphomolybdenum assay and reducing power assay. In all these assays the antioxidant activity of extract was compared to t...

Development of ITS sequence-based markers to distinguish Berberis aristata DC. from B. lycium Royle and B. asiatica Roxb.

The stems of Berberis aristata DC. (Berberidaceae) are used in the South Asian traditional medicine as a key ingredient in formulations for eye care, skin diseases, jaundice, rheumatism and also in diabetes. B. lycium Royle and B. asiatica Roxb. are traded as equivalents of B. aristata. Conventional macro-morphology and microscopic examination does not aid in critically distinguishing the three...

Retraction Notice - 2

Retraction Notice - 3

Defect engineering in cubic cerium oxide nanostructures for catalytic oxidation.

Traditional nanostructured design of cerium oxide catalysts typically focuses on their shape, size, and elemental composition. We report a different approach to enhance the catalytic activity of cerium oxide nanostructures through engineering high density of oxygen vacancy defects in these catalysts without dopants. The defect engineering was accomplished by a low pressure thermal activation pr...