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Preparation and in vitro characterization of paclitaxel-loaded injectable microspheres
Hiremath Jagadeesh,Devi V
Asian Journal of Pharmaceutics , 2010,
Abstract: The main objective of this study was to develop paclitaxel loaded poly (caprolactone) injectable microspheres prepared by solvent evaporation method. Mircoparticles were characterized in terms of particle size and size distribution, surface morphology, drug physical state, and crystalline nature by using master size analyzer, scanning electron microscope, differential scanning calorimetry, and X-ray diffraction. Paclitaxel loading over different concentrations was analyzed by high-performance liquid chromatography. In vitro drug release studies were performed in phosphate buffer saline. Best formulation was selected for in vitro cytotoxic studies by using MCF-7 breast cancer cell lines.
Preparation and in vitro characterization of poly (epsilon-caprolactone)-based tamoxifen citrate-loaded cylindrical subdermal implant for breast cancer
Hiremath Jagadeesh,Devi V
Asian Journal of Pharmaceutics , 2011,
Abstract: In the present study cylindrical poly(epsilon-caprolactone) (PCL)-based biodegradable polymeric tamoxifen citrate-loaded subdermal implants were prepared by laboratory-based modified melt extrusion technique. The prepared implants were evaluated for their physicochemical parameters. Drug content in implants by high-performance liquid chromatographic (HPLC) method, differential scanning calorimetry (DSC), X-ray diffraction (XRD) and scanning electron microscope (SEM) studies of tamoxifen citrate-loaded implants. Determination of in vitro hydrolytic degradation of polymeric and tamoxifen citrate-loaded implants and in vitro drug release was carried out by using indigenously developed dissolution apparatus. DSC and XRD studies proved that the drug is entrapped in the implant. The highest rate of hydrolytic degradation (weight loss) was observed in blank implants when compared to tamoxifen citrate-loaded implants. The studies proved that the developed method have potential in terms of industrial feasibility.
Content Based Image Retrieval using Color Boosted Salient Points and Shape features of an image.
Hiremath P. S,Jagadeesh Pujari
International Journal of Image Processing , 2008,
Abstract: Salient points are locations in an image where there is a significant variation withrespect to a chosen image feature. Since the set of salient points in an imagecapture important local characteristics of that image, they can form the basis of agood image representation for content-based image retrieval (CBIR). Salientfeatures are generally determined from the local differential structure of images.They focus on the shape saliency of the local neighborhood. Most of thesedetectors are luminance based which have the disadvantage that thedistinctiveness of the local color information is completely ignored in determiningsalient image features. To fully exploit the possibilities of salient point detection incolor images, color distinctiveness should be taken into account in addition toshape distinctiveness. This paper presents a method for salient pointsdetermination based on color saliency. The color and texture information aroundthese points of interest serve as the local descriptors of the image. In addition,the shape information is captured in terms of edge images computed usingGradient Vector Flow fields. Invariant moments are then used to record theshape features. The combination of the local color, texture and the global shapefeatures provides a robust feature set for image retrieval. The experimentalresults demonstrate the efficacy of the method.
Content Based Image Retrieval based on Color, Texture and Shape features using Image and its complement
Jagadeesh Pujari,P. S. Hiremath
International Journal of Computer Science and Security , 2007,
Abstract: Color, texture and shape information have been the primitive image descriptors in content based image retrieval systems. This paper presents a novel framework for combining all the three i.e. color, texture and shape information, and achieve higher retrieval efficiency using image and its complement. The image and its complement are partitioned into non-overlapping tiles of equal size. The features drawn from conditional co-occurrence histograms between the image tiles and corresponding complement tiles, in RGB color space, serve as local descriptors of color and texture. This local information is captured for two resolutions and two grid layouts that provide different details of the same image. An integrated matching scheme, based on most similar highest priority (MSHP) principle and the adjacency matrix of a bipartite graph formed using the tiles of query and target image, is provided for matching the images. Shape information is captured in terms of edge images computed using Gradient Vector Flow fields. Invariant moments are then used to record the shape features. The combination of the color and texture features between image and its complement in conjunction with the shape features provide a robust feature set for image retrieval. The experimental results demonstrate the efficacy of the method.
Assessment of Safety Culture in Global Offshore Environments  [PDF]
Jagadeesh Kilaparthi
Journal of Environmental Protection (JEP) , 2014, DOI: 10.4236/jep.2014.511101
Abstract:

This project aims at presenting detailed assessment of health and safety culture in global offshore environments. Such assessment will be then utilized for developing and recommending a model capable of integrating safety behaviour and culture in global offshore environments. The global offshore environment is a quite wider term and therefore underlying study has specified and narrowed it down to the oil and gas industry. In other words, the discussion of health and safety culture is done in light of oil and gas industry and its environment. The proposed model “incident-free and low-risk contracting model” aims at fostering health and safety culture in oil and gas environments. It is worth mentioning that implementation of model requires effective support and collaboration between trade unions, industry associations, employers, and government agencies. The objectives of the proposed model will be identified in terms of Fostering sound leadership, Gaining management commitment, Gaining support and involvement of workforce, Reducing risk instances, Accident reduction objective.

3D Face Recognition Using Radon Transform and Symbolic PCA
P. S. Hiremath,Manjunath Hiremath
International Journal of Electronics and Computer Science Engineering , 2012,
Abstract: Three Dimensional (3D) human face recognition is emerging as a significant biometric technology. Research interest into 3D face recognition has increased during recent years due to availability of improved 3D acquisition devices and processing algorithms. A 3D face image is represented by 3D meshes or range images which contain depth information. Range images have several advantages over 2D intensity images and 3D meshes. Range images are robust to the change of color and illumination, which are the causes for limited success in face recognition using 2D intensity images. In the literature, there are several methods for face recognition using range images, which are focused on the data acquisition and preprocessing stage only. In this paper, a new 3D face recognition technique based on symbolic Principal Component Analysis approach is presented. The proposed method transforms the 3D range face images using radon transform and then obtain symbolic objects, (i.e. interval valued objects) termed as symbolic 3D range faces. The PCA is employed to symbolic 3D range face image dataset to obtain symbolic eigen faces which are used for face recognition. The proposed symbolic PCA method has been successfully tested for 3D face recognition using Texas 3D Face Database. The experimental results show that the proposed algorithm performs satisfactorily with an average accuracy of 97% as compared to conventional PCA method and is efficient in terms of accuracy and detection time.
EFFECT OF CONCEPT MAPPING STRATEGY ON SCIENCE ACHIEVEMENT IN RELATION TO SCIENTIFIC APTITUDE AND PROBLEM SOLVING ABILITY OF SECONDARY SCHOOL STUDENTS
JAGADEESH. B.
Indian Streams Research Journal , 2012,
Abstract: Concept map is a device for representing the conceptual structure of asubject/discipline in a two-dimensional form, which is analogous to the road map. Aconcept, as defined by Novak, is regularity in objects or events designated by a specificlabel. Concept maps are diagrammatic representations, which show meaningfulrelationships between concepts in the form of propositions.Propositions are two or more concept labels linked by words, which provideinformation on relationships or describe connections between concepts.
DAMPING OF SUBSYNCHRONOUS MODES OF OSCILLATIONS
JAGADEESH PASUPULETI
Journal of Engineering Science and Technology , 2006,
Abstract: The IEEE bench mark model 2 series compensated system is considered for analysis. It consists of single machine supplying power to infinite bus through two parallel lines one of which is series compensated. The mechanical system considered consists of six mass, viz, high pressure turbine, intermediate pressure turbine, two low pressure turbines, generator and an exciter. The excitation system considered is IEEE type 1 with saturation. The auxiliary controls considered to damp the unstable subsynchronous modes of oscillations are Power System Stabilizer (PSS) and Static var Compensator (SVC). The different cases of power system stabilizer and reactive power controls are adapted to study the effectiveness of damping these unstable subsynchronous modes of oscillations.
The Corrosion Behavior of Sputter-deposited W-Ti Alloys in 0.5 M NaCl Solution
Jagadeesh Bhattarai
Nepal Journal of Science and Technology , 2009, DOI: 10.3126/njst.v10i0.2899
Abstract: The corrosion behavior of the sputter-deposited amorphous or nanocrystalline W-Ti alloys was studied in neutral 0.5 MNaCl solution at 25°C, open to air by immersion tests, electrochemical measurements and confocal scanning laser microscopic(CSLM) techniques. Titanium metal acts synergistically with tungsten in enhancing the corrosion resistance of the sputter-deposited W-Ti alloys so as to show higher corrosion resistance than those of alloy-constituting elements (that is, tungsten and titanium) in neutral 0.5 M NaCl solution. In particular, the amorphous W-Ti alloys containing 30-53 at% titanium showed lowest corrosion rates (that is, about 1 × 10 -3 mm.y -1 ). Open circuit potentials of all the examined W-Ti alloys were shifted to more noble direction than those of the open circuit potentials of?alloyconstituting elements in 0.5 M NaCl solution. Key words: Sputter deposition; W-Ti alloys; Corrosion-resistant; CSLM; NaCl solution. DOI: 10.3126/njst.v10i0.2899 Nepal Journal of Science and Technology Volume 10, 2009 December Page:109-113 ?
Study on the Corrosive Nature of Soil Towards the Buried-Structures
Jagadeesh Bhattarai
Scientific World , 2013, DOI: 10.3126/sw.v11i11.8551
Abstract: Scientific World, Vol. 11, No. 11, July 2013, page 43-47 DOI: http://dx.doi.org/10.3126/sw.v11i11.8551
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