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Search Results: 1 - 10 of 378 matches for " Aparna Kakani "
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ARR5 and ARR6 Mediate Tissue Specific Cross-talk between Auxin and Cytokinin in Arabidopsis  [PDF]
Aparna Kakani, Zhaohua Peng
American Journal of Plant Sciences (AJPS) , 2011, DOI: 10.4236/ajps.2011.24065
Abstract: Auxin and cytokinin interaction plays an essential role in a wide range of plant growth and developmental processes. The interaction consequence of the two hormones is highly tissue specific. The molecular mechanisms underlying the tissue specificity are largely unknown. Here we show that the cytokinin signaling pathway key components ARR5 and ARR6 respond to auxin with a highly tissue specific and contrasted pattern in Arabidopsis seedlings and calli in the presence of cytokinin. Our results suggest that the two highly homologous but functionally distinct genes, ARR5 and ARR6, play a critical role in mediating tissue specific interaction between auxin and cytokinin.
Theoretical Study of Specific Heat and Density of States of MgB2 Superconductor in Two Band Model  [PDF]
Anuj Nuwal, Shyam Lal Kakani
World Journal of Condensed Matter Physics (WJCMP) , 2013, DOI: 10.4236/wjcmp.2013.31006

MgB2 with Tc 40 K, is a record-breaking compound among the s-p metals and alloys. It appears that this material is a rare example of the two band electronic structures, which are weakly connected with each other. Experimental results clearly reveal that boron sub-lattice conduction band is mainly responsible for superconductivity in this simple compound. Experiments such as tunneling spectroscopy, specific heat measurements, and high resolution spectroscopy show that there are two superconducting gaps. Considering a canonical two band BCS Hamiltonian containing a Fermi Surface of π- and σ-bands and following Green’s function technique and equation of motion method, we have shown that MgB2 possess two superconducting gaps. It is also pointed out that the system admits a precursor phase of Cooper pair droplets that undergoes a phase locking transition at a critical temperature below the mean field solution. Study of specific heat and density of states is also presented. The agreement between theory and experimental results for specific heat is quite convincing. The paper is organized in five sections: Introduction, Model Hamiltonian, Physical properties, Numerical calculations, Discussion and conclusions.


Health expenditures and personal bankruptcies  [PDF]
Aparna Mathur
Health (Health) , 2012, DOI: 10.4236/health.2012.412192
Abstract: Using household-level data from the Panel Study of Income Dynamics, we estimate the extent to which medical expenses are responsible for driving households to bankruptcy. Our results suggest that an increase of 10 percent in medical debts would cause a 27 percent increase in the filing propensity of households with primarily medical debt, and an approximately 36 percent increase in filing propensity of households where medical debts co-exist with primarily credit card debts. Studying the post-bankruptcy scenario, we find that filers are 19 percent less likely to own a home even several years after the filing, compared to non-filers. However, the consequences are less adverse for medical filers i.e. those who filed due to high medical bills compared to other filers.
Industrial Unsustainability  [PDF]
Aparna Nayak
Journal of Geoscience and Environment Protection (GEP) , 2015, DOI: 10.4236/gep.2015.34003
Abstract: The development of unconventional gas exploration in the USA, in particular shale gas, caused a revolution in the American and the global gas markets. The regional-wide use of unconventional gas resources could stabilize the natural gas demand and the energy supply security of European and Asian countries. But traditionally, almost all gas contracts in Europe and Asia are linked to oil because of the demand for stable, long-term contracts. Furthermore, in many Asian countries, large state-owned enterprises dominate their national gas markets, leading to little competition and incentives to reduce gas prices. In Europe, the expansion of unconventional gas is facing grassroots opposition from environmental groups who are concerned about ground water safety, adequate waste water management, seismic events and greenhouse gas emissions. In this article, I will discuss the rapidly changing natural gas markets and the role and prospects of unconventional gas as well as its environmental impacts and unsustainability in industry level.
Clean India  [PDF]
Aparna Nayak
Journal of Geoscience and Environment Protection (GEP) , 2015, DOI: 10.4236/gep.2015.35015
Abstract: Mahatma Gandhi was mindful of the poor position of Indian rural people at that time and he dreamt of a cleaner India, where he emphasized on cleanliness and sanitation as an intact function of surviving. President Pranab Mukherjee in his address to Parliament in June 2014, said, “For ensuring hygiene, waste management and sanitation across the nation a “Swachh Bharat Mission” will be established. This will be our tribute to Mahatma Gandhi on his 150th birth anniversary to be celebrated in the year 2019”. The Narendra Modi Government will shortly establish the “Swachh Bharat” movement to solve the sanitation problem in India, to solve the problem of waste management and make India a clean state, ensuring hygiene all across the nation. Emphasizing “Clean India” on August 15, 2014 in his Independence Day speech, the Prime Minister said that this trend is linked with the economic activity of the state. This missionary work for creating a clean India will be launched on October 2, 2014, the birth anniversary of Mahatma Gandhi with the objective of completing the mission in 2019, the 150th birth anniversary of the father of the country.
Climate Change Impact on Wheat Production in the Southern Great Plains of the US Using Downscaled Climate Data  [PDF]
Kundan Dhakal, Vijaya Gopal Kakani, Evan Linde
Atmospheric and Climate Sciences (ACS) , 2018, DOI: 10.4236/acs.2018.82011
Abstract: Gradually developing climatic and weather anomalies due to increasing concentration of atmospheric greenhouse gases can pose threat to farmers and resource managers. There is a growing need to quantify the effects of rising temperature and changing climates on crop yield and assess impact at a finer scale so that specific adaptation strategies pertinent to that location can be developed. Our work aims to quantify and evaluate the influence of future climate anomalies on winter wheat (Triticum aestivum L.) yield under the Representative Concentration Pathways 6.0 and 8.5 using downscaled climate projections from different General Circulation Models (GCMs) and their ensemble. Marksim downscaled daily data of maximum (TMax) and minimum (TMin) air temperature, rainfall, and solar radiation (SRAD) from different Coupled Model Intercomparison Project GCMs (CMIP5 GCMs) were used to simulate the wheat yield in water and nitrogen limiting and non-limiting conditions for the future period of 2040-2060. The potential impact of climate changes on winter wheat production across Oklahoma was investigated. Climate change predictions by the downscaled GCMs suggested increase in air temperature and decrease in total annual rainfall. This will be really critical in a rainfed and semi-arid agro-ecological region of Oklahoma. Predicted average wheat yield during 2040-2060 increased under projected climate change, compared with the baseline years 1980-2014. Our results indicate that downscaled GCMs can be applied for climate projection scenarios for future regional crop yield assessment.
Cerebellar infarction after head injury
Agrawal Amit,Kakani Anand
Journal of Emergencies, Trauma and Shock , 2010,
Awareness level of family planning methods in adolescent girls of different socio-economic groups in rural sectors, in central India
Anuradha Kakani,Arpita Jaiswal
International Journal of Reproduction, Contraception, Obstetrics and Gynecology , 2012, DOI: 10.5455/2320-1770.ijrcog000312
Abstract: Background: Adolescence, the transition from childhood to adulthood is an important crossroad. Studies are available which suggest that a considerable number of adolescent boys (16 to 14%) and girls (1 to 10%) engage in premarital sexual activity. All though importance of health education and health counseling for adolescents have been incorporated in the formal education system but there are no large scale community based studies to assess awareness level of adolescent girls about the method of family planning. The present study was undertaken to evaluate the effect of socio-economic factor on the awareness level of adolescent girls with special reference to the methods of family planning, and their concepts about long term effects of high population growth. Methods: The study samples were higher secondary girl students between 15 to 19 years of age in 5 rural schools (Hindi & English medium) of Wardha district, Maharashtra, India. The survey programme was conducted during a period of one year from July 2011 to June 2012. A questionnaire was prepared in local language. Results: The education level of parent in upper-middle (group A) was significantly more than low-economic group (group B). Knowledge about hormonal contraceptive pill in group A was significantly high than group B and the idea about surgical technique and condom was also high in group A than group B. Regarding emergency contraceptive technique, the idea in group A was high but in group B, the rate was very low. Conclusions: The awareness programme should be conducted in formal education in the school curricula so that adolescent girl’s knowledge, attitude and practice can be assessed. [Int J Reprod Contracept Obstet Gynecol 2012; 1(1.000): 3-6]
Growth and Yield Responses of Switchgrass Ecotypes to Temperature  [PDF]
Tanka Prasad Kandel, Yanqi Wu, Vijaya Gopal Kakani
American Journal of Plant Sciences (AJPS) , 2013, DOI: 10.4236/ajps.2013.46145

Varietal differences of switchgrass in growth and development, biomass yield and partitioning in response to temperature are not well documented. A study was conducted to quantify the effect of temperature on growth, development, and feedstock quality of switchgrass cultivars, and to determine differences between upland and lowland switchgrass. Two lowland (Alamo and Kanlow) and two upland (Caddo and Cave-in-Rock) cultivars of switchgrass were grown in pots filled with pure, fine sand in growth chambers. Four different temperature treatments of 23℃/15, 28/20, 33/25, and 38/30 with 14/10 hours day/night were imposed at four leaf stage. High temperature significantly decreased the biomass yield across all cultivars. Stem elongation rate (SER) and leaf elongation rate (LER) decreased at the highest temperature treatment but lowland cultivars had significantly higher SER and LER across the temperature treatments. Upland cultivars produced more tillers across the temperature treatment. Both

Electromagnetic Simulation for the Diagnosis of Lipoprotein Density in Human Blood, a Non-Invasive Approach  [PDF]
Ethan Law, Monika Kakani, Mangilal Agarwal, Maher Rizkalla
Open Journal of Applied Biosensor (OJAB) , 2017, DOI: 10.4236/ojab.2017.41001
Abstract: With the rise in prevalence of Type II diabetes throughout the world, an increasing need for a portable monitoring system for both blood glucose and lipoprotein concentrations is in demand. Recent work has led to non-invasive wearable devices for monitoring changes in blood glucose concentrations using electromagnetic (EM) waves. However, this still fall short as a means of monitoring cholesterol levels in diabetic patients. The EM study on human tissues emphasized here may also relate to the safety guidelines applied to cellular communications, power lines, and other EM applications. The specific absorption rate (SAR) for the power of the non-ionizing frequency must not exceed a threshold as it impacts DNA and can lead to cancerous tissues. In this study, we used COMSOL software for the investigation of the viability of using EM within the frequency range of 64 MHz-1 GHz as a means of monitoring the transmission properties of human blood and lipoprotein. In this approach, wave equations were solved within blood and lipoprotein boundaries. Research parameters, including frequency range, Power input (SAR), and lipoprotein densities, were investigated. The transmission properties, produced by the electrical and thermal characteristics of these physiological parameters, have led to proper diagnosis of lipoprotein density. Within the frequency range of 64 MHz to 1 GHz, and for a power range of 0.1 to 0.6 SAR, lipoprotein density from 1.00 g/mL to 1.20 g/mL was considered. A 2D model, with an antenna source that supplied the electromagnetic waves to human tissues, was created for the simulations. These were used for the study of the transmission properties of the EM energy into the blood and lipoprotein tissues. While the range of magnetic flux values between simulations varies only slightly or not at all, the distribution of these values is impacted by given parameters. As such, a device capable of comparing magnetic flux values and penetration depths could easily distinguish between samples of different lipoprotein densities. The results obtained in this study can be accommodated non-invasively by human tissues, and can be produced in a practical model using wearable devices. A practical model is proposed for future consideration.
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