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Search Results: 1 - 10 of 396 matches for " Ciwas Pawan "
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Saliva Cortisol and Heart Rate Variability as Biomarkers in Understanding Emotional Reaction and Regulation of Young Children—A Review  [PDF]
Ishien Li, Shu-Mei Chwo, Ciwas Pawan
Psychology (PSYCH) , 2013, DOI: 10.4236/psych.2013.46A2004
Abstract:

Cortisol and heart rate variability (HRV) are good indicators for the non-invasive assessment of the hypothalamic-pituitary-adrenal (HPA) and autonomic nervous system (ANS) activity in response to psychophysiological stress respectively. Emerging evidence from previous studies suggests a link between cortisol and HRV response to stress and social experiences during early development. However, research in this area has been constrained by a number of conceptual and methodological challenges. Time is a crucial variable that needs to be taken into account in study designs since stress-sensitive physiological systems change over time in response to changing intrinsic and extrinsic states. In this review, our focus is on the HPA axis and HRV responses as an allostatic system with young children’s individual differences in temperament, social regulation, and environmental sources of influence taken into account. The conclusions include: 1) cortisol levels are related to various time courses, ranging from moment-to-moment changes to changes occurring over the course of days, months, and years in consideration of individual differences in state and trait emotions; 2) it is necessary to take individual characteristics, multi-faceted constructs related to early development, and developmental changes into account in studies of reactivity and regulation patterns of the cortisol and HRV in young children; and 3) prospective examination is needed on the long-term outcomes of various individual characteristics and environmental influences (e.g., attachment quality, family and daycare environment, and environmental control of the child) in early experience that are related to reactivity differences in HRV and atypical cortisol patterns.

Mobile Based Electricity Bill Deposit System through UML  [PDF]
Pawan Kumar Chaurasia, Vipin Saxena
Journal of Software Engineering and Applications (JSEA) , 2011, DOI: 10.4236/jsea.2011.43021
Abstract: The present paper deals with a model design through Unified Modeling Language (UML) for a mobile based elec-tricity bill deposit system. Due to complex life style of people this model is proposed in the form of UML Class, Sequence and Use Case diagrams. For implementation of proposed model, a real case study of Uttar Pradesh Electricity Bill deposit System is considered. By the use of this model, one can display the status of deposited electricity bill on a hand held mobile device system.
On the Performance of ISFET-based Device for Water Quality Monitoring  [PDF]
Pawan Whig, Syed Naseem Ahmad
Int'l J. of Communications, Network and System Sciences (IJCNS) , 2011, DOI: 10.4236/ijcns.2011.411087
Abstract: A new configuration realizing water quality monitoring device using ISFET involving low power CMOS Integrated “Ion Sensitive Field Effect transistor (ISFET) – Operational Amplifier is presented. The study’s main focus is on simulation of power and performance analysis of ISFET device, which is used for water quality monitoring. This approach can improve calibration of device to a fairly wide range without the use of a high speed digital processor. The conventional device has a drawback of slow slew rate but in this novel design, the device has a better slew rate. A new slew rate enhancement (SRE) incorporated into a ISFET, which does not affect the small signal frequency response. The functionality of the circuit is tested using Tanner simulator version 15 for a 70nm CMOS process model also the transfer function realization is done on MATLAB R2011a version, the Very high speed integrated circuit Hardware description language(VHDL) code for the same scheme is simulated on Xilinx ISE 10.1 and various simulation results are obtained. Simulation results are included to demonstrate the results.
Purification and Characterization of Thermostable Cellulase Free Xylanase from Pseudomonas Sp. XPB-6  [PDF]
Pawan Kumar Sharma, Duni Chand
Advances in Microbiology (AiM) , 2012, DOI: 10.4236/aim.2012.21003
Abstract: Extracellular cellulase free xylanase from Pseudomonas sp. XPB-6 was purified to homogeneity with 2.15 fold of purity and 60.31% yield, respectively by ammonium sulfate precipitation and DEAE ion exchange chromatography. The protein was found to be a homotrimer consisting of three subunits of 41 kDa each and the native molecular weight of 123 kDa. The pH and temperature optimum for enzyme were 7.5 in 100 mM sodium phosphate buffer at 60°C and was stable to a high and broader range of pH and to a temperature up to 75°C. Kinetic experiments at 60°C gave Vmax and Km values of 144.92 U/mg and 0.60 mg·ml-1 respectively for birch wood xylan. The enzyme had no apparent requirement for cofactors, and its activity was strongly inhibited 1 mM Hg2+ and Cu2+ while it was slightly inactivated by 1 mM Mg2+ and Pb2+. Shelf life of xylanase of Pseudomonas sp. XPB-6 was studied both at room temperature and 4°C. The enzyme was stable both at room temperature and at 4°C for 90 and 28 days respectively. The half-life of the enzyme was approximately 40 days at room temperature.
Significance of the Ratio of Exhaust Temperature to Coolant Temperature and Its Effect on Various Engine Working Parameters
Pawan Kumar
Lecture Notes in Engineering and Computer Science , 2009,
Abstract:
Absence of the palmaris longus tendon in Indian population
Agarwal Pawan
Indian Journal of Orthopaedics , 2010,
Abstract: Background: Ethnic variations in the prevalence of the absence of the palmaris longus (PL) tendon are well known. Studies have also attempted to correlate its absence with other anatomical anomalies. However, most studies have been done in Caucasian populations. The present study was undertaken to know the occurrence of absence of palmaris longus in Indian population. Materials and Methods: The presence of the PL tendon was clinically determined in 385 normal Indian men and women using the standard technique. In subjects with an absent PL tendon, three other tests were performed to confirm its absence. All subjects were also examined for the presence of the flexor digitorum superficialis (FDS) in the little finger. Results: The overall unilateral absence of the tendon was 16.9% and the bilateral absence was in 3.3% in our population. There was no significant difference in its absence with regard to the body side or sex. The overall prevalence of the weak FDS in the little finger irrespective of the presence or absence of the PL tendon in our study was 16.10%. If we compare the deficiency of the FDS in the little finger with the absence of the PL tendon, the overall incidence is 4.15% and is statistically significant, while the sexwise distribution of the weak FDS with absent PL tendon was statistically significant in males and in females it was statistically insignificant. Conclusions: The prevalence of the unilateral absence of the PL tendon in an Indian population is comparable to the western population but a bilateral absence is significantly less. In patients with an absent PL tendon, the FDS of the little finger is weak, especially in males.
Congenital upper auricular detachment: Report of two unusual cases
Agarwal Pawan
Indian Journal of Plastic Surgery , 2009,
Abstract: Two unusual cases of congenital bilateral ear deformity have been presented. The deformity is characterized by upper auricular detachment on the right side with anotia on the left side in the first case and upper auricular detachment on the left side with normal ear on the right side in the second case. An attempt has been made to correlate the presented deformity with the embryological - foetal development of the auricle. Satisfactory correction can be obtained by repositioning the auricle back in to its normal position.
Congenital anterior urethrocutaneous fistula revisited
Agarwal Pawan
Indian Journal of Plastic Surgery , 2004,
Abstract: Congenital anterior urethrocutaneous fistulas are rare. A case of this unusual anomaly is presented with review of literature, discussion of the possible etiology and management strategy.
Closed rupture of the flexor digitorum profundus tendon of little finger: A case report
Agarwal Pawan
Indian Journal of Plastic Surgery , 2004,
Abstract: Closed rupture of the FDP tendon is rare. However, whenever they occur the most common site of rupture is the tendon-bone insertion, less frequent site is at the musculo-tendinous junction. Midsubstance ruptures are even more unique and are usually due to underlying pathology such as fracture, cystic degeneration, rheumatoid arthritis, or sequel following local steroid injection. This report describes a closed rupture of FDP tendon of little finger. Mechanism of injury, diagnosis and management are discussed.
Perception of plastic surgery in the society
Agarwal Pawan
Indian Journal of Plastic Surgery , 2004,
Abstract: The perception of plastic surgery in society is limited and underestimates the versatility of the specialty. A survey was conducted in order to assess knowledge and to provide some initial evidence for education about the scope of plastic surgery amongst the public, medical and nursing students and general practitioners. A questionnaire was devised and four population groups of respondents were surveyed at random in one district. The results reveal that the majority of the public needs more information about the benefits that our specialty can offer them. Plastic surgeons are mainly associated with burns and cosmetic surgery and they are not necessarily identified as primary surgeons for procedures fundamental to our specialty. If patients are to receive the best treatment available, it is essential that we educate the public about our clinical interests and activities.
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