International Journal of Advanced Research in

Science and Technology (IJARST)


Volume 7 - Issue 1 | 2018


01. GC- MS analysis of bioactive components of Chloroform and Methanolic leaf extracts of Justicia glauca.

Gayatri Devi B*, Srinivasulu S and Hemalatha K.P.J

Graphical abstract

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Highlights

The phytochemical constituents of Chloroform and methanol extracts of Justicia glauca leaf were analyzed using gas chromatography-mass spectrometry method. The chloroform and methanol leaf extracts of Justicia glauca were prepared by soxhlet extraction method and concentrated by using rotary evaporator. The concentrated chloroform and methanol extracts were subjected to phytochemical analysis using GC-MS. GC-MS analysis showed the presence of five and six phytocompounds respectively. The phytoconstituents of chloroform extracts are Hexadecanoic acid methyl ester, Nonadecanoic acid 10- methyl, methyl ester, Stearic acid methyl ester, Methyl Oleate, Z-8,10-dodecadienal.

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02. Performance Analysis of Static Carry Skip Adder Using 22nm Strained Silicon CMOS Technology.

D. Anisha Esther Annabai*, E. Hemalatha, C . Divya, J. Ajayan, A. MuthuKumar and T.Ravichandran

Graphical abstract

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Highlights

A 256-bit adder was designed using 22nm Strained Silicon CMOS technology which is attractive for future VLSI and ULSI application. Carry Skip adders are widely used in cascaded circuit connection and it also improves the delay of the circuit compared to other adders. In this paper, the performance and an analysis on the delay, power, space and speed of strained CMOS technology based static carry skip adder will be presented. The circuits are simulated using 22-nm high performance CMOS with a low supply voltage of 0.8V using HSPICE software tool. The performance of the adder circuit is analyzed by measuring the key parameters of the circuit such as speed, power and also the effect of temperature on circuit performance is also analyzed.

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