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M. Ezhil Inban ¹, R. N. Emerson ², P. R. Kumar ¹

Affiliations
1 Department of Physics, Chikkanna Government Arts College, Tirupur 641 602., IN
2 Department of Physics, Government Arts College, Coimbatore 641 001., IN

Abstract

In the fabrication of Micro Electro Mechanical System (MEMS) devices electrodeposition has an edge over other deposition techniques. CoPtP magnetic film is one which widely used in devices based on its mechanical and magnetic properties. This magnetic film is developed to provide thin films with low cost, low residual stress and high magnetic properties useful for MEMS applications. The galvanostatically electrodeposited films was coated on highly cleaned copper substrate. The Mechanical properties such as adhesion of the film with substrate, roughness (AFM) and Hardness (VHM) of the film were studied. Processing parameters including applied current density, film thickness, pH and temperature of the electrolyte were regulated in order to reduce residual stress of the film. Elemental composition of the films was obtained using EDAX. Surface structural analysis was carried out using X-ray diffractometry, and Scanning electron microscopy. The nano crystallite size CoPtP film deposited from electrodeposition bath contained low concentration platinum salt it increase the magnetic properties especially hard magnetic character in the presence of phosphorous. The magnetic properties of the film was studied using Vibrating sample Magnetometer.

Keywords

Electrodeposition, CoPtP Magnetic Film, Magnetic Properties

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P. R. Kumar ¹, V. Vaidhyalingam ²

Affiliations
1 Department of Pharmaceutical Science, Vels College of Pharmacy, Vels University, Pallavaram – 143, IN
2 K. K. College of Pharmacy, 1/161, Sankaralinganar Road, Girukambakkam, Chennai-602 101, IN

Abstract

Rubus racemosus is commonly known as cheethi in Tamil. Traditionally it is used as an antidiabetic, abortifacient, muscle relaxant and free radical scavenging agents. Infusion of leaves was administered to stop diarrhea and some bleeding. There was no report on the pharmacognostic study of plant and hence the present investigation deals with anatomical, microscopical, fluorescence analysis, quantitative microscopy, determination of leaf constants, physiochemical, thin layer chromatography and high performance thin layer chromatography. Phytochemical studies showed the presence of flavanoids, saponin, terpenes, glycosides and phenols.

Keywords

Rubus racemosus, Transverse Section, TLC, HPTLC.

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P. R. Kumar ¹, Raj Pal Meena ², S. S. Singh ³

Affiliations
1 ICAR-Research Complex for Eastern Region, Research Centre, Ranchi (Jharkhand) – 834010, Jharkhand, IN
2 ICAR-Indian Institute of Wheat and Barley Research, Karnal – 132001, Haryana, IN
3 College of Horticulture, Noorsarai, Nalanda – 803113, Bihar, IN

Abstract

The Lahaul valley is situated to the south of Ladakh hence derived its name LhoYul meaning “Southern Country”. Kullu Valley is situated to its south across the Rohtang Pass (3195 Mtrs) and the Bara Bangahal (Kangra) across the Asakh pass (5051 Mtrs). Its western boundaries touch the Pangi and Churah areas of district Chamba; and the valleys of Zanskar and Ladakh across Shingola (5090 Mtrs) and Baralacha la (5450 Mtrs) respectively. Its eastern and south eastern boundaries are Spiti and Western Tibet across the Kunzom Pass (4500 meters).

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P. R. Kumar ¹, S. Sakthi Priyadarsini ¹, M. Thirumal ¹

Affiliations
1 Department of Pharmacognosy, SRM College of Pharmacy, Kattankulathur-603203, Tamilnadu, IN

Abstract

The aim of the present study is to investigate the efficiency of ethanolic and chloroform extracts of Ocimum basilicum Linn. leaves belonging to the family Labiatae for its in vitro antioxidant activity. The present study provides pharmacognostical, physicochemical and phytochemical details of the leaves of Ocimum basilicum which are useful in laying down standardization and pharmacopoeia parameters. In microscopic studies, transverse section (TS) of the leaves and its powder characters were studied and its characteristic features were established. Physicochemical parameters such as total ash value, acid insoluble ash value and water soluble ash value were determined. Preliminary phytochemical analysis of alcoholic extract and chloroform extract was carried out. The results of preliminary phytochemical screening were positive for flavonoids, carbohydrates, alkaloids, glycosides, proteins and saponin. The antioxidant potential of the chloroform and ethanol extract was evaluated using nitric oxide scavenging methods. It was found that the ethanolic extract showed better antioxidant effect compared to the chloroform extract.

Keywords

Ocimum basilicum, Pharmacognostic, Microscopy, Antioxidant, Nitric Oxide Scavenging.

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