International Journal on Cryptography and Information Security, 2012
An encryption scheme is “homomorphic” if it is possible to perform implicit operation on the plai... more An encryption scheme is “homomorphic” if it is possible to perform implicit operation on the plaintext by processing the ciphertext only. The scheme is said to be “fully homomorphic’’ when we can perform (a sequence of operations) both addition and multiplication, whereas, it is “somewhat homomorphic’’ if it supports a limited number of operations. We describe how Gentry’s transformation can be applied on bootstrappable Somewhat Homomorphic Encryption (SHE) scheme to make it a fully homomorphic scheme (FHE) by squashing the decryption circuit i.e. evaluating with a low-degree polynomial. The security of the above scheme is based on the hardness of Approximate Integer Common Divisor Problem (ACDP) which was introduced in 2001 by Howgrave–Graham. Among the two versions of ACDP, the general version (GACDP) is apparently more secure than its partial version (PACDP). We have implemented and analyzed Gentry’s scheme and have suggested some improvements to make it more secure by selecting the Keys parameter in the permissible range.
This research consisted of two parts; this report is Volume 2 of 2 Volumes; Volume 1 is Report No... more This research consisted of two parts; this report is Volume 2 of 2 Volumes; Volume 1 is Report No. FHWA/TN/JHRP-96/10. The first part developed a set of incident clearance time prediction models for the Borman Expressway. The second part consisted of modeling driver's route choice behavior under the influence of advanced traveler information systems.
Abstract Measurement of the effective dielectric constant of microstrip transmission line on glas... more Abstract Measurement of the effective dielectric constant of microstrip transmission line on glass for the frequency range of 5-35 GHz are presented. These measurements indicate that there is very little dispersion in 200-μm-thick glass for frequencies up to 35 GHz. Further, ...
A dominant aspect of granular flows is flow in thin surface layers. While an understanding of the... more A dominant aspect of granular flows is flow in thin surface layers. While an understanding of the dynamics of dry granular surface flow has begun to emerge, the case of flow when air is completely replaced by a liquid is largely unexplored. Experiments were performed using particle tracking velocimetry (PTV) in a quasitwo-dimensional rotating tumbler to measure the velocity field within the flowing layer of monodisperse spherical particles fully submerged in liquids, a granular slurry, for a range of Froude numbers, bead sizes, fluid densities and fluid viscosities. The thickness of the flowing layer and the angle of repose with a liquid interstitial fluid are generally larger than for the dry system under similar conditions, although the shear rate is generally smaller. The experimental measurements of shear rate match the theoretical predictions (dependent on the particle size, dynamic angle of repose, and static angle of repose) independent of the interstitial fluid. Furthermore, the velocity profiles for larger beads collapse independent of the interstitial fluid, while for smaller beads these profiles collapse on two distinct curves when using a scaling based on mass balance. However, a normalization based on the velocity of beads at the surface causes a collapse to a nearly linear velocity profile except where the velocity approaches zero logarithmically near the fixed bed, regardless of interstitial fluid. Likewise, the scaled number density profiles collapse, regardless of the interstitial fluid. The similarity in the flows of dry granular materials and granular materials submerged in liquids indicates that the physics of the flow is not strongly altered by the interstitial fluid.
Antibody-drug conjugates (ADCs) represent a major advance in the treatment of acute lymphoblastic... more Antibody-drug conjugates (ADCs) represent a major advance in the treatment of acute lymphoblastic leukemia (ALL). CD22 expression, seen in majority of patients with B-lineage ALL, is an ideal target for ADCs. Inotuzumab ozogamicin is an ADC comprised of a humanized IgG4 monoclonal antibody covalently linked to calecheamicin. Inotuzumab ozogamicin has shown promising single-agent activity in patients with ALL and in CD22 positive non-Hodgkin lymphoma. Studies exploring the combination of inotuzumab ozogamicin with chemotherapy are ongoing.
Abstract A number of analytical, numerical & experimental techniques are available for th... more Abstract A number of analytical, numerical & experimental techniques are available for the reduction of stress concentration factor around discontinuities. Using various techniques the SCF around different discontinuities in a rectangular plate made up of different materials ...
2009 IEEE MTT-S International Microwave Symposium Digest, 2009
Abstract In this paper we present the design and performance of millimeter wave MMIC switches in ... more Abstract In this paper we present the design and performance of millimeter wave MMIC switches in the patented MA-COM AlGaAs heterojunction PIN Diode process that allow us to produce high power and low insertion loss devices. The design process from a reflective ...
Abstract The need to keep system development cost low has given important emphasis to using well-... more Abstract The need to keep system development cost low has given important emphasis to using well-defined solid-state component models in design and simulation of systems. This paper presents a new model for predicting the impedance of monolithic GaAs PIN diodes ...
International Journal of Advanced Computer Science and Applications, 2014
Mobile Internet Protocol (Mobile-IP or MIP) provides hosts with the ability to change their point... more Mobile Internet Protocol (Mobile-IP or MIP) provides hosts with the ability to change their point of attachment to the network without compromising their ability to communicate. However, when TCP Vegas is used over a MIP network, its performance degrades because it may respond to a handoff by invoking its congestion control algorithm. TCP Vegas is sensitive to the change of Round-Trip Time (RTT) and it may recognize the increased RTT as a result of network congestion. This is because TCP Vegas could not differentiate whether the increased RTT is due to route change or network congestion. This paper presents a new and improved version of conventional TCP Vegas, which we named as TCP I-Vegas (where "I", stands for Improved). Vegas performs well when compared to Reno but when sharing bandwidth with Reno its performance degrades. I-Vegas has been designed keeping in mind that whenever TCP variants like Reno has to share the bandwidth with Vegas then instead of using Vegas, if we use I-Vegas then the loss which Vegas would have to bear will not be more. We compared the performance of I-Vegas with Vegas in MIP environment using Network Simulator (NS-2). Simulation results show that I-Vegas performs better than Vegas in terms of providing better throughput and congestion window behavior.
The aim of the present investigation is to develop and statistically optimize the osmotically con... more The aim of the present investigation is to develop and statistically optimize the osmotically controlled asymmetric membrane capsules of solid dispersion of lycopene. Solid dispersions of lycopene with β-cyclodextrin in different ratios were prepared using solvent evaporation method. Solubility studies showed that the solid dispersion with 1 : 5 (lycopene : β-cyclodextrin) exhibited optimum solubility (56.25 mg/mL) for osmotic controlled delivery. Asymmetric membrane capsules (AMCs) were prepared on glass mold pins via dip coating method. Membrane characterization by scanning electron microscopy showed inner porous region and outer dense region. Central composite design response surface methodology was applied for the optimization of AMCs. The independent variables were ethyl cellulose (X1), glycerol (X2), and NaCl (X3) which were varied at different levels to analyze the effect on dependent variables (percentage of cumulative drug release (Y1) and correlation coefficient of drug release (Y2)). The effect of independent variables on the response was significantly influential. The F18 was selected as optimized formulation based on percentage of CDR (cumulative drug release) of 85.63% and correlation coefficient of 0.9994. The optimized formulation was subjected to analyze the effect of osmotic pressure and agitational intensity on percentage of CDR. The drug release was independent of agitational intensity but was dependent on osmotic pressure of dissolution medium.
India International Conference on Power Electronics 2010 (IICPE2010), 2011
in this paper a new fractional order recursive digital integrator is presented. Fractional order ... more in this paper a new fractional order recursive digital integrator is presented. Fractional order integrators have a wide range of applications in automatic control systems, circuit theory, dynamical systems and signal processing. The implementation of fractional order recursive digital integrator requires two steps. In the first step, an integer order digital integrator is designed then in the next step continued
International Journal on Cryptography and Information Security, 2012
An encryption scheme is “homomorphic” if it is possible to perform implicit operation on the plai... more An encryption scheme is “homomorphic” if it is possible to perform implicit operation on the plaintext by processing the ciphertext only. The scheme is said to be “fully homomorphic’’ when we can perform (a sequence of operations) both addition and multiplication, whereas, it is “somewhat homomorphic’’ if it supports a limited number of operations. We describe how Gentry’s transformation can be applied on bootstrappable Somewhat Homomorphic Encryption (SHE) scheme to make it a fully homomorphic scheme (FHE) by squashing the decryption circuit i.e. evaluating with a low-degree polynomial. The security of the above scheme is based on the hardness of Approximate Integer Common Divisor Problem (ACDP) which was introduced in 2001 by Howgrave–Graham. Among the two versions of ACDP, the general version (GACDP) is apparently more secure than its partial version (PACDP). We have implemented and analyzed Gentry’s scheme and have suggested some improvements to make it more secure by selecting the Keys parameter in the permissible range.
This research consisted of two parts; this report is Volume 2 of 2 Volumes; Volume 1 is Report No... more This research consisted of two parts; this report is Volume 2 of 2 Volumes; Volume 1 is Report No. FHWA/TN/JHRP-96/10. The first part developed a set of incident clearance time prediction models for the Borman Expressway. The second part consisted of modeling driver's route choice behavior under the influence of advanced traveler information systems.
Abstract Measurement of the effective dielectric constant of microstrip transmission line on glas... more Abstract Measurement of the effective dielectric constant of microstrip transmission line on glass for the frequency range of 5-35 GHz are presented. These measurements indicate that there is very little dispersion in 200-μm-thick glass for frequencies up to 35 GHz. Further, ...
A dominant aspect of granular flows is flow in thin surface layers. While an understanding of the... more A dominant aspect of granular flows is flow in thin surface layers. While an understanding of the dynamics of dry granular surface flow has begun to emerge, the case of flow when air is completely replaced by a liquid is largely unexplored. Experiments were performed using particle tracking velocimetry (PTV) in a quasitwo-dimensional rotating tumbler to measure the velocity field within the flowing layer of monodisperse spherical particles fully submerged in liquids, a granular slurry, for a range of Froude numbers, bead sizes, fluid densities and fluid viscosities. The thickness of the flowing layer and the angle of repose with a liquid interstitial fluid are generally larger than for the dry system under similar conditions, although the shear rate is generally smaller. The experimental measurements of shear rate match the theoretical predictions (dependent on the particle size, dynamic angle of repose, and static angle of repose) independent of the interstitial fluid. Furthermore, the velocity profiles for larger beads collapse independent of the interstitial fluid, while for smaller beads these profiles collapse on two distinct curves when using a scaling based on mass balance. However, a normalization based on the velocity of beads at the surface causes a collapse to a nearly linear velocity profile except where the velocity approaches zero logarithmically near the fixed bed, regardless of interstitial fluid. Likewise, the scaled number density profiles collapse, regardless of the interstitial fluid. The similarity in the flows of dry granular materials and granular materials submerged in liquids indicates that the physics of the flow is not strongly altered by the interstitial fluid.
Antibody-drug conjugates (ADCs) represent a major advance in the treatment of acute lymphoblastic... more Antibody-drug conjugates (ADCs) represent a major advance in the treatment of acute lymphoblastic leukemia (ALL). CD22 expression, seen in majority of patients with B-lineage ALL, is an ideal target for ADCs. Inotuzumab ozogamicin is an ADC comprised of a humanized IgG4 monoclonal antibody covalently linked to calecheamicin. Inotuzumab ozogamicin has shown promising single-agent activity in patients with ALL and in CD22 positive non-Hodgkin lymphoma. Studies exploring the combination of inotuzumab ozogamicin with chemotherapy are ongoing.
Abstract A number of analytical, numerical & experimental techniques are available for th... more Abstract A number of analytical, numerical & experimental techniques are available for the reduction of stress concentration factor around discontinuities. Using various techniques the SCF around different discontinuities in a rectangular plate made up of different materials ...
2009 IEEE MTT-S International Microwave Symposium Digest, 2009
Abstract In this paper we present the design and performance of millimeter wave MMIC switches in ... more Abstract In this paper we present the design and performance of millimeter wave MMIC switches in the patented MA-COM AlGaAs heterojunction PIN Diode process that allow us to produce high power and low insertion loss devices. The design process from a reflective ...
Abstract The need to keep system development cost low has given important emphasis to using well-... more Abstract The need to keep system development cost low has given important emphasis to using well-defined solid-state component models in design and simulation of systems. This paper presents a new model for predicting the impedance of monolithic GaAs PIN diodes ...
International Journal of Advanced Computer Science and Applications, 2014
Mobile Internet Protocol (Mobile-IP or MIP) provides hosts with the ability to change their point... more Mobile Internet Protocol (Mobile-IP or MIP) provides hosts with the ability to change their point of attachment to the network without compromising their ability to communicate. However, when TCP Vegas is used over a MIP network, its performance degrades because it may respond to a handoff by invoking its congestion control algorithm. TCP Vegas is sensitive to the change of Round-Trip Time (RTT) and it may recognize the increased RTT as a result of network congestion. This is because TCP Vegas could not differentiate whether the increased RTT is due to route change or network congestion. This paper presents a new and improved version of conventional TCP Vegas, which we named as TCP I-Vegas (where "I", stands for Improved). Vegas performs well when compared to Reno but when sharing bandwidth with Reno its performance degrades. I-Vegas has been designed keeping in mind that whenever TCP variants like Reno has to share the bandwidth with Vegas then instead of using Vegas, if we use I-Vegas then the loss which Vegas would have to bear will not be more. We compared the performance of I-Vegas with Vegas in MIP environment using Network Simulator (NS-2). Simulation results show that I-Vegas performs better than Vegas in terms of providing better throughput and congestion window behavior.
The aim of the present investigation is to develop and statistically optimize the osmotically con... more The aim of the present investigation is to develop and statistically optimize the osmotically controlled asymmetric membrane capsules of solid dispersion of lycopene. Solid dispersions of lycopene with β-cyclodextrin in different ratios were prepared using solvent evaporation method. Solubility studies showed that the solid dispersion with 1 : 5 (lycopene : β-cyclodextrin) exhibited optimum solubility (56.25 mg/mL) for osmotic controlled delivery. Asymmetric membrane capsules (AMCs) were prepared on glass mold pins via dip coating method. Membrane characterization by scanning electron microscopy showed inner porous region and outer dense region. Central composite design response surface methodology was applied for the optimization of AMCs. The independent variables were ethyl cellulose (X1), glycerol (X2), and NaCl (X3) which were varied at different levels to analyze the effect on dependent variables (percentage of cumulative drug release (Y1) and correlation coefficient of drug release (Y2)). The effect of independent variables on the response was significantly influential. The F18 was selected as optimized formulation based on percentage of CDR (cumulative drug release) of 85.63% and correlation coefficient of 0.9994. The optimized formulation was subjected to analyze the effect of osmotic pressure and agitational intensity on percentage of CDR. The drug release was independent of agitational intensity but was dependent on osmotic pressure of dissolution medium.
India International Conference on Power Electronics 2010 (IICPE2010), 2011
in this paper a new fractional order recursive digital integrator is presented. Fractional order ... more in this paper a new fractional order recursive digital integrator is presented. Fractional order integrators have a wide range of applications in automatic control systems, circuit theory, dynamical systems and signal processing. The implementation of fractional order recursive digital integrator requires two steps. In the first step, an integer order digital integrator is designed then in the next step continued
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