Sangita Kumari

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The isoprenoid family represents one of the most ancient and widespread classes of structurally and functionally rich biomolecules known to man. Although these natural products are synthesized in all organisms, the plant kingdom exhibits tremendous variation in their chemistry and roles, ranging from primary metabolism to secondary metabolism and(More)
Hexagonal boron nitride (h-BN), an isoelectric analogous to graphene multilayer, can easily shear at the contact interfaces and exhibits excellent mechanical strength, higher thermal stability, and resistance toward oxidation, which makes it a promising material for potential lubricant applications. However, the poor dispersibility of h-BN in lube base oil(More)
Number plate recognition system is used for vehicle management, security, congestion control, access control and in the vehicle behavior monitoring system. This paper presents a real time number plate recognition system which is able to recognize the vehicle number plate in different illumination conditions, independent of orientation and scale of the(More)
Plant essential oils are complex mixtures of volatile organic compounds, which play indispensable roles in the environment, for the plant itself, as well as for humans. The potential biological information stored in essential oil composition data can provide an insight into the silent language of plants, and the roles of these chemical emissions in defense,(More)
volume 30 number 1 JAnuArY 2012 nature biotechnology reached all three payment windows. However, we expressed the maintenance percentage at a given window as a percentage of the number of patents that were old enough to reach that window. Patents falling in category 4 were considered one group. That is, patents could have expired at any of three time points(More)
In the present study the bark of Plumeria alba Linn. (Apocynaceae) was evaluated for pharmacognostical and phytochemical parameters and methanolic extract for antimicrobial activity by determining its MIC (by checker board method) and zone of inhibition (by cup plate method).Pharmacognostical parameters of the bark of Plumeria alba Linn. (Apocynaceae) were(More)
Automatic vehicle license plate recognition system plays an important role in Intelligent Transportation System. Even though many license plate recognition methods have been proposed in the past, further scope for improvement still exists. This paper has proposed a new approach to license plate recognition system based Harris corner detection algorithm. In(More)
Hexagonal boron nitride nanoplatelets (h-BNNPs), which are structurally analogous to graphene, were prepared via the ultrasound-assisted exfoliation of h-BN powder using N-methyl pyrrolidone as the solvent. The alkylamines with variable alkyl chains and electron-rich nitrogen atoms were grafted onto the boron sites of the h-BNNPs based on Lewis acid-base(More)
Plant essential oils are complex mixtures of volatile organic compounds, which play indispensable roles in communication, defense, and adaptive evolution. The complete chemical library produced by a plant is referred to as its terpenome. The potential biological information stored in essential oil composition data can provide an insight into the silent(More)
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