Raj Kumar - Academia.edu (original) (raw)

Papers by Raj Kumar

Research paper thumbnail of Nutritional composition in leaves of some mulberry varieties:- A comparative study

2010 International Conference on Bioinformatics and Biomedical Technology, 2010

The silkworm derives nutritional requirement from mulberry leaves for their growth and developmen... more The silkworm derives nutritional requirement from mulberry leaves for their growth and development, variations on the components of mulberry leaves may have some influence in the growth and development of silkworm. The nutritional parameters of mulberry leaves and silk production are directly proportional to each other. The nutritional composition of mulberry leaves vary depending on the soil and other environmental

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Research paper thumbnail of Systems Management Policy Validation, Distribution and Enactment

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Research paper thumbnail of Software Configuration Policies' Validation, Distribution, and Enactment

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Research paper thumbnail of A fractal monopole antenna for UWB applications

2013 Ieee Applied Electromagnetics Conference, Dec 1, 2013

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Research paper thumbnail of Spatial memory performance of Wistar rats exposed to mobile phone

Clinics, 2009

INTRODUCTION: With the tremendous increase in number of mobile phone users world wide, the possib... more INTRODUCTION: With the tremendous increase in number of mobile phone users world wide, the possible risks of this technology have become a serious concern.OBJECTIVE: We tested the effects of mobile phone exposure on spatial memory performance.MATERIALS AND METHODS: Male Wistar rats (10-12 weeks old) were exposed to 50 missed calls/day for 4 weeks from a GSM (900/1800 MHz) mobile phone in vibratory mode (no ring tone). After the experimental period, the animals were tested for spatial memory performance using the Morris water maze test.RESULTS: Both phone exposed and control animals showed a significant decrease in escape time with training. Phone exposed animals had significantly (approximately 3 times) higher mean latency to reach the target quadrant and spent significantly (approximately 2 times) less time in the target quadrant than age- and sex-matched controls.CONCLUSION: Mobile phone exposure affected the acquisition of learned responses in Wistar rats. This in turn points to the poor spatial navigation and the object place configurations of the phone-exposed animals.

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Research paper thumbnail of High gain UWB antenna using compact multilayer FSS

2014 Ieee International Microwave and Rf Conference, Dec 1, 2014

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Research paper thumbnail of Student- involved demonstration approach to teach the Physiology of vestibular apparatus to undergraduate medical students

Teaching and Learning in Medicine, Jul 1, 2011

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Research paper thumbnail of Dynamical Model for the Decay of Hot and Rotating Compound Nuclei

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Research paper thumbnail of Effect of ascorbic acid on the monosodium glutamate-induced neurobehavioral changes in periadolescent rats

Bratislavske Lekarske Listy, 2010

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Research paper thumbnail of Link to free full text

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Research paper thumbnail of A Resource Management Framework For Interactive Grids

International Conference on Distributed Systems Platforms and Open Distributed Processing/Open Distributed Processing, 2003

Traditional use of Grid Computing Systems has been for batch jobs in the scientific and academic ... more Traditional use of Grid Computing Systems has been for batch jobs in the scientific and academic computing. We envision the next generation Grid computing systems to support graphical interactive sessions. In this paper, we propose a resource management framework for supporting graphical interactive sessions in a Grid computing system. We describe the high level architectural resource management framework distributed among

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Research paper thumbnail of Peppermint and Sled: tools for evaluating SMP systems based on IA-64 (IPF) processors

Proceedings 16th International Parallel and Distributed Processing Symposium, 2002

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Research paper thumbnail of Student-Involved Demonstration Approach to Teach the Physiology of Vestibular Apparatus for Undergraduate Medical Students

Http Dx Doi Org 10 1080 10401334 2011 586930, Jul 11, 2011

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Research paper thumbnail of On the design of elliptical shape fractal antenna for UWB applications

2013 Ieee Applied Electromagnetics Conference, Dec 1, 2013

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Research paper thumbnail of Monotonous sensory stimulation can it induce sleep in infants? An insight into the possible neurophysiology

Medical Hypotheses, 2009

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Research paper thumbnail of Design of a square ring shape slot antenna for UWB polarization–diversity applications

AEU - International Journal of Electronics and Communications, 2015

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Research paper thumbnail of Nanowire hydrogen gas sensor employing CMOS micro-hotplate

2009 IEEE Sensors, 2009

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Research paper thumbnail of QoS Aware Job Scheduling in a Cluster-Based Web Server for Multimedia Applications

19th IEEE International Parallel and Distributed Processing Symposium, 2005

Page 1. QoS Aware Job Scheduling in a Cluster-based Web Server for Multimedia Applications ∗ Jian... more Page 1. QoS Aware Job Scheduling in a Cluster-based Web Server for Multimedia Applications ∗ Jiani ... To per-form QoS aware scheduling of multiple multimedia jobs on the computing servers, a two-step algorithm is proposed. The ...

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Research paper thumbnail of Scoping security issues for interactive grids

The Thrity-Seventh Asilomar Conference on Signals, Systems & Computers, 2003, 2003

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Research paper thumbnail of Evaluation of oxidant stress and antioxidant defense in discrete brain regions of rats exposed to 900 MHz radiation

Bratislavské lekárske listy, 2014

In the current study, the effects of 900 MHz radio-frequency electromagnetic radiation (RF-EMR) o... more In the current study, the effects of 900 MHz radio-frequency electromagnetic radiation (RF-EMR) on levels of thiobarbituric acid-reactive substances (TBARS), total antioxidants (TA), and glutathione S-transferase (GST) activity in discrete brain regions were studied in adolescent rats. Thirty-six male Wistar rats (6-8 weeks old) were allotted into three groups (n = 12 in each group). Control group (1) remained undisturbed in their home cage; sham group (2) was exposed to mobile phone in switch off mode for four weeks; RF-EMR-exposed group (3) was exposed to 900 MHz of RF-EMR (1 hr/day with peak power density of 146.60 µW/cm2) from an activated Global System for Mobile communication (GSM) mobile phone (kept in silent mode; no ring tone and no vibration) for four weeks. On 29th day, behavioral analysis was done. Followed by this, six animals from each group were sacrificed and biochemical parameters were studied in amygdala, hippocampus, frontal cortex, and cerebellum. Altered behavio...

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Research paper thumbnail of Nutritional composition in leaves of some mulberry varieties:- A comparative study

2010 International Conference on Bioinformatics and Biomedical Technology, 2010

The silkworm derives nutritional requirement from mulberry leaves for their growth and developmen... more The silkworm derives nutritional requirement from mulberry leaves for their growth and development, variations on the components of mulberry leaves may have some influence in the growth and development of silkworm. The nutritional parameters of mulberry leaves and silk production are directly proportional to each other. The nutritional composition of mulberry leaves vary depending on the soil and other environmental

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Research paper thumbnail of Systems Management Policy Validation, Distribution and Enactment

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Research paper thumbnail of Software Configuration Policies' Validation, Distribution, and Enactment

Bookmarks Related papers MentionsView impact

Research paper thumbnail of A fractal monopole antenna for UWB applications

2013 Ieee Applied Electromagnetics Conference, Dec 1, 2013

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Research paper thumbnail of Spatial memory performance of Wistar rats exposed to mobile phone

Clinics, 2009

INTRODUCTION: With the tremendous increase in number of mobile phone users world wide, the possib... more INTRODUCTION: With the tremendous increase in number of mobile phone users world wide, the possible risks of this technology have become a serious concern.OBJECTIVE: We tested the effects of mobile phone exposure on spatial memory performance.MATERIALS AND METHODS: Male Wistar rats (10-12 weeks old) were exposed to 50 missed calls/day for 4 weeks from a GSM (900/1800 MHz) mobile phone in vibratory mode (no ring tone). After the experimental period, the animals were tested for spatial memory performance using the Morris water maze test.RESULTS: Both phone exposed and control animals showed a significant decrease in escape time with training. Phone exposed animals had significantly (approximately 3 times) higher mean latency to reach the target quadrant and spent significantly (approximately 2 times) less time in the target quadrant than age- and sex-matched controls.CONCLUSION: Mobile phone exposure affected the acquisition of learned responses in Wistar rats. This in turn points to the poor spatial navigation and the object place configurations of the phone-exposed animals.

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Research paper thumbnail of High gain UWB antenna using compact multilayer FSS

2014 Ieee International Microwave and Rf Conference, Dec 1, 2014

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Research paper thumbnail of Student- involved demonstration approach to teach the Physiology of vestibular apparatus to undergraduate medical students

Teaching and Learning in Medicine, Jul 1, 2011

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Research paper thumbnail of Dynamical Model for the Decay of Hot and Rotating Compound Nuclei

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Research paper thumbnail of Effect of ascorbic acid on the monosodium glutamate-induced neurobehavioral changes in periadolescent rats

Bratislavske Lekarske Listy, 2010

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Research paper thumbnail of Link to free full text

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Research paper thumbnail of A Resource Management Framework For Interactive Grids

International Conference on Distributed Systems Platforms and Open Distributed Processing/Open Distributed Processing, 2003

Traditional use of Grid Computing Systems has been for batch jobs in the scientific and academic ... more Traditional use of Grid Computing Systems has been for batch jobs in the scientific and academic computing. We envision the next generation Grid computing systems to support graphical interactive sessions. In this paper, we propose a resource management framework for supporting graphical interactive sessions in a Grid computing system. We describe the high level architectural resource management framework distributed among

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Research paper thumbnail of Peppermint and Sled: tools for evaluating SMP systems based on IA-64 (IPF) processors

Proceedings 16th International Parallel and Distributed Processing Symposium, 2002

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Research paper thumbnail of Student-Involved Demonstration Approach to Teach the Physiology of Vestibular Apparatus for Undergraduate Medical Students

Http Dx Doi Org 10 1080 10401334 2011 586930, Jul 11, 2011

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Research paper thumbnail of On the design of elliptical shape fractal antenna for UWB applications

2013 Ieee Applied Electromagnetics Conference, Dec 1, 2013

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Research paper thumbnail of Monotonous sensory stimulation can it induce sleep in infants? An insight into the possible neurophysiology

Medical Hypotheses, 2009

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Research paper thumbnail of Design of a square ring shape slot antenna for UWB polarization–diversity applications

AEU - International Journal of Electronics and Communications, 2015

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Research paper thumbnail of Nanowire hydrogen gas sensor employing CMOS micro-hotplate

2009 IEEE Sensors, 2009

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Research paper thumbnail of QoS Aware Job Scheduling in a Cluster-Based Web Server for Multimedia Applications

19th IEEE International Parallel and Distributed Processing Symposium, 2005

Page 1. QoS Aware Job Scheduling in a Cluster-based Web Server for Multimedia Applications ∗ Jian... more Page 1. QoS Aware Job Scheduling in a Cluster-based Web Server for Multimedia Applications ∗ Jiani ... To per-form QoS aware scheduling of multiple multimedia jobs on the computing servers, a two-step algorithm is proposed. The ...

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Research paper thumbnail of Scoping security issues for interactive grids

The Thrity-Seventh Asilomar Conference on Signals, Systems & Computers, 2003, 2003

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Research paper thumbnail of Evaluation of oxidant stress and antioxidant defense in discrete brain regions of rats exposed to 900 MHz radiation

Bratislavské lekárske listy, 2014

In the current study, the effects of 900 MHz radio-frequency electromagnetic radiation (RF-EMR) o... more In the current study, the effects of 900 MHz radio-frequency electromagnetic radiation (RF-EMR) on levels of thiobarbituric acid-reactive substances (TBARS), total antioxidants (TA), and glutathione S-transferase (GST) activity in discrete brain regions were studied in adolescent rats. Thirty-six male Wistar rats (6-8 weeks old) were allotted into three groups (n = 12 in each group). Control group (1) remained undisturbed in their home cage; sham group (2) was exposed to mobile phone in switch off mode for four weeks; RF-EMR-exposed group (3) was exposed to 900 MHz of RF-EMR (1 hr/day with peak power density of 146.60 µW/cm2) from an activated Global System for Mobile communication (GSM) mobile phone (kept in silent mode; no ring tone and no vibration) for four weeks. On 29th day, behavioral analysis was done. Followed by this, six animals from each group were sacrificed and biochemical parameters were studied in amygdala, hippocampus, frontal cortex, and cerebellum. Altered behavio...

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