Search results for: Garima Joshi

Items from 1 to 19 out of 19 results

article

Synthesis and characterization of cellulose nanofibers from waste paper and their utilization in wood adhesion

Garima Joshi, Shakti Singh Chauhan

Polymer Composites > 45 > 10 > 9103 - 9118

Nanocellulose extraction from lignocellulosic materials is a highly chemical and energy‐intensive process as it requires the removal of lignin and hemicellulose. Writing paper is one of the processed materials that could be used as a raw material for the extraction of nanocellulose. In this work, cellulose nanofibers (CNFs) were synthesized from paper waste using TEMPO‐oxidation followed by high‐shear...

article

Viral infection and host immune response in diabetes

Garima Joshi, Anushka Das, Garima Verma, Prasenjit Guchhait

IUBMB Life > 76 > 5 > 242 - 266

Diabetes, a chronic metabolic disorder disrupting blood sugar regulation, has emerged as a prominent silent pandemic. Uncontrolled diabetes predisposes an individual to develop fatal complications like cardiovascular disorders, kidney damage, and neuropathies and aggravates the severity of treatable infections. Escalating cases of Type 1 and Type 2 diabetes correlate with a global upswing in diabetes‐linked...

article

Metasurface‐based triple‐band high‐gain Fabry–Perot cavity antenna

Garima Joshi, Vijaya Ramarao

International Journal of RF and Microwave Computer‐Aided Engineering > 31 > 12 > n/a - n/a

A compact, high gain, single layer substrate‐superstrate configuration based Fabry–Perot cavity (FPC) microstrip patch antenna (MPA) is designed. It consists of a single‐frequency MPA on a substrate, along with a frequency‐selective surface (FSS) which acts as a metasurface‐superstrate. The FSS contains a periodic arrangement of unit cells in a square lattice, where each unit cell is structured by...

article

A new linear plasma device for the study of plasma waves in the electron magnetohydrodynamics regime

Garima Joshi, G Ravi, S Mukherjee

Pramana > 2018 > 90 > 6 > 1-10

A new, user-friendly, linear plasma device has been developed in our laboratory where a quiescent ($$\Delta n/n \approx 1\%$$ Δn/n≈1% ), low temperature (1–10 eV), pulsed (3–10 ms) plasma can be produced over a large uniform region of 30–40 cm diameter and 40 cm length. Salient features of the device include the flexibility of tuning the plasma density in the range of $$10^{10}$$ 1010 to $$10^{12}\,\hbox...

article

A prospective phase II trial of response adapted whole brain radiotherapy after high dose methotrexate based chemotherapy in patients with newly diagnosed primary central nervous system lymphoma-analysis of acute toxicity profile and early clinical outcome

Narayan Adhikari, Ahitagni Biswas, Ajay Gogia, Ranjit Kumar Sahoo, more

Journal of Neuro-Oncology > 2018 > 139 > 1 > 153-166

Background The treatment of primary CNS lymphoma (PCNSL) comprises high dose methotrexate (HDMTX) based chemotherapy followed by whole brain radiotherapy (WBRT), the major drawback of which is long term neurotoxicity. We intended to assess the feasibility of response adapted WBRT in PCNSL in the Indian setting. Methods We screened 32 patients and enrolled 22 eligible patients with PCNSL from 2015...

article

Identification of ISL Alphabets Using Discrete Orthogonal Moments

Bineet Kaur, Garima Joshi, Renu Vig

Wireless Personal Communications > 2017 > 95 > 4 > 4823-4845

In this paper, discrete orthogonal moment-based shape features up to 5th order are proposed for Indian sign language (ISL) recognition system. The shape recognition capability of discrete orthogonal moment-based local features is verified on two databases. These include the standard Jochen-Triesch’s database and 26 ISL alphabets. The ISL alphabets are collected on both uniform and complex backgrounds,...

chapter

A zone based improved disk scheduling algorithm

Preeti Pandey, Garima Joshi, Kamal Kumar Gola

2016 International Conference on Advances in Computing, Communication, & Automation (ICACCA) (Spring) > 1 - 5

2016 International Conference on Advances in Computing, Communication, & Automation (ICACCA) (Spring)

The main objective of the paper is to propose new disk scheduling to enhance disk performance. Disk performance management is an escalating important facet of operating system research and development. As new types of storage devices are developed, it is necessary to revisit the issue of scheduling to reduce access latency to data on the devices. This work shows the study of various existing disk...

chapter

A multi-class hand gesture recognition in complex background using Sequential minimal Optimization

Sheenu, Garima Joshi, Renu Vig

2015 International Conference on Signal Processing, Computing and Control (ISPCC) > 92 - 96

2015 International Conference on Signal Processing, Computing and Control (ISPCC)

This paper presents a novel approach for hand gesture recognition in complex background images. The method is based on Histograms of Orientation Gradient (HOG) which in independent of segmentation task followed by Sequential minimal Optimization (SMO). In our experiment we use benchmark Jochen-Triesch database for hand gesture recognition under complex and clutter background. In addition to this perturbation...

chapter

Analysis of shape recognition capability of Krawtchouk moments

Bineet Kaur, Garima Joshi, Renu Vig

International Conference on Computing, Communication & Automation > 1085 - 1090

2015 International Conference on Computing, Communication & Automation (ICCCA)

In this paper, Krawtchouk invariant moments are used as features for object recognition. For hand images, the performance of Krawtchouk moments in terms of recognition accuracy, rotational invariance, scale invariance, computational time and feature vector size, has been analysed. A user independent dataset for 21 subjects under varying illumination conditions is created. A comparative analysis with...

chapter

Histograms of orientation gradient investigation for static hand gestures

Sheenu, Garima Joshi, Renu Vig

International Conference on Computing, Communication & Automation > 1100 - 1103

2015 International Conference on Computing, Communication & Automation (ICCCA)

In this paper, Histograms of Orientation Gradient (HOG) algorithm is used to identify the static hand gestures. Experimental results show that HOG descriptor is a better shape descriptor than existing feature sets for gesture recognition. The overall algorithm has only three main steps; pre-processing, feature extraction and classification. It completely omits the segmentation phase. SVM is used for...

chapter

Comparative Analysis of Movement and Tracking Techniques for Indian Sign Language Recognition

Prerna Gupta, Garima Joshi, Maitreyee Dutta

2015 Fifth International Conference on Advanced Computing & Communication Technologies > 90 - 95

2015 Fifth International Conference on Advanced Computing & Communication Technologies (ACCT)

Sign Language is considered as a way of communication for hearing handicapped persons. We can make the communication of deaf people easier by building a translation system of this language. To realize these systems, the identification of words and gestures in sign language is very important. Indian Sign Language (ISL) is used in major parts of India that includes gestures. Most of the gestures include...

chapter

Analysis of ternary multiplier using booth encoding technique

Khushdeep Kaur, Preeti Singh, Garima Joshi

2015 2nd International Conference on Signal Processing and Integrated Networks (SPIN) > 871 - 875

2015 2nd International Conference on Signal Processing and Integrated Networks (SPIN)

This paper introduces a new approach to multiplication of ternary numbers. The whole multiplication is based on the efficient Booth Encoding technique that multiplies both positive as well as negative ternary numbers. Verilog HDL has been used to implement the ternary multipliers of 3bit, 8bit and 12bit. The HDL design is based on the Finite State Machine (FSM) and multiplexing techniques. The design...

chapter

Analysis of shape and orientation recognition capability of Complex Zernike Moments for signed gestures

Kalpana Sharma, Garima Joshi, Maitreyee Dutta

2015 2nd International Conference on Signal Processing and Integrated Networks (SPIN) > 730 - 735

2015 2nd International Conference on Signal Processing and Integrated Networks (SPIN)

In this paper, exact behavior of Complex Zernike Moments is analyzed. Zernike Moments contain two parameters: magnitude and orientation. In literature, mostly magnitude is considered to recognize the shape, because magnitude is orientation invariant. On the other hand, orientation of an image has its own significance in case of sign language. This work is dedicated to the study of the capability of...

article

Enhanced bioavailability and intestinal uptake of Gemcitabine HCl loaded PLGA nanoparticles after oral delivery

Garima Joshi, Abhinesh Kumar, Krutika Sawant

European Journal of Pharmaceutical Sciences > 2014 > 60 > Complete > 80-89

The aim of study was to formulate PLGA nanoparticles (NPs) of Gemcitabine HCl for enhanced oral bioavailability via absorption through M cells of Peyer’s patches. Commercially, the drug is available as i.v. infusion due to its short half life (8–17min), rapid metabolism and limited tumor uptake. The NPs were prepared by multiple solvent emulsification method. Optimized formulation had particle size...

chapter

Static hand gestures recognition system using shape based features

Garima Khurana, Garima Joshi, Jatinderpal Kaur

2014 Recent Advances in Engineering and Computational Sciences (RAECS) > 1 - 4

2014 Recent Advances in Engineering and Computational Sciences (RAECS)

In this paper, an easy and a simple approach using shape based features to recognize alphabets of Indian Sign Language (ISL) has been proposed. Geometrical features and Zernike Moments (ZM) of hand shapes are extracted. Covariance and minimum Euclidean Distance are used for recognition of sign. For 19 ISL alphabets, high recognition rate is achieved.

article

Improvement in antihypertensive and antianginal effects of felodipine by enhanced absorption from PLGA nanoparticles optimized by factorial design

Umang Shah, Garima Joshi, Krutika Sawant

Materials Science and Engineering: C > 2014 > 35 > C > 153-163

Objective of the present investigation was to enhance the bioavailability of felodipine by targeting the M cells of Peyer's patches using PLGA nanoparticles (NPs). Felodipine exhibits poor bioavailability due to limited aqueous solubility and extensive first pass metabolism. NPs were prepared using nanoprecipitation and optimized by 3² factorial design. Particle size (PS) and entrapment efficiency...

article

Polymeric nanoparticles of Gemcitabine HCl: Formulation and optimization by factorial design

Garima Joshi, Krutika Sawant

Journal of Controlled Release > 2013 > 172 > 1 > e31-e32

article

Enhanced bioavailability and hypolipidemic activity of Simvastatin formulations by particle size engineering: Physicochemical aspects and in vivo investigations

Sandip Chavhan, Garima Joshi, Kailash Petkar, Krutika Sawant

Biochemical Engineering Journal > 2013 > 79 > Complete > 221-229

The objective of this study was to enhance the solubility of Simvastatin by nanosizing approaches for improving its bioavailability. Nanosuspension (Sim-NS) formulated by media milling was optimized by 3 ² factorial design keeping the volume of milling media (X ₁ ) and surfactant concentration (X ₂ ) as independent and the particle size (Y) as dependent variable. A minimum...

chapter

Effect of Temperature Variation on Gate Tunneling Currents in Nanoscale MOSFETs

Garima Joshi, D.N. Singh, S. Thangjam

2008 8th IEEE Conference on Nanotechnology > 37 - 41

2008 8th IEEE Conference on Nanotechnology (NANO)

In this paper, an analytical model for gate tunneling current has been deployed by solving Schrodinger equation using Wentzel-Kramer-Brillouin (WKB) approximation method for trapezoidal potential barrier. The gate tunneling current has been computed for direct tunneling from channel to gate as well as for tunneling from source drain extension (SDE) region to gate. Effect of temperature variation on...

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