## Search

Now showing items 1-10 of 12

#### Dynamics of an Electrochemical Biosensor for the Detection of Toxic Substances in Water

(SPIE-INT SOC OPTICAL ENGINEERING, 2016-01-01)

A proposed analytical method focuses on electrolyte transport to the electrode of an electrochemical cell. The recombinant Escherichia coli whole-cell biosensor detects toxicity in water based on a set of biochemical ...

#### Spatial epidemic patterns recognition using computer algebra

(SPRINGER, 2007-01-01)

An exploration in Symbolic Computational bio-surveillance is showed. The main obtained results are that the geometry of the habitat determines the critical parameters via the zeroes of the Bessel functions and the explicit ...

#### Solving stochastic epidemiological models using computer algebra

(SPIE-INT SOC OPTICAL ENGINEERING, 2011-01-01)

Mathematical modeling in Epidemiology is an important tool to understand the ways under which the diseases are transmitted and controlled. The mathematical modeling can be implemented via deterministic or stochastic models. ...

#### Mathematical model for dengue with three states of infection

(SPIE-INT SOC OPTICAL ENGINEERING, 2012-01-01)

A mathematical model for dengue with three states of infection is proposed and analyzed. The model consists in a system of differential equations. The three states of infection are respectively asymptomatic, partially ...

#### Possible quantum algorithms for the Bollobás-Riordan-Tutte polynomial of a ribbon graph

(SPIE-INT SOC OPTICAL ENGINEERING, 2008-01-01)

Three possible quantum algorithms, for the computation of the Bollobás-Riordan-Tutte polynomial of a given ribbon graph, are presented and discussed. The first possible algorithm is based on the spanning quasi-trees expansion ...

#### Optimal control in a model of malaria with differential susceptibility

(SPIE-INT SOC OPTICAL ENGINEERING, 2014-01-01)

A malaria model with differential susceptibility is analyzed using the optimal control technique. In the model the human population is classified as susceptible, infected and recovered. Susceptibility is assumed dependent ...

#### Analysis of a generalized model for influenza including differential susceptibility due to immunosuppression

(SPIE-INT SOC OPTICAL ENGINEERING, 2014-01-01)

Recently, a mathematical model of pandemic influenza was proposed including typical control strategies such as antivirals, vaccination and school closure; and considering explicitly the effects of immunity acquired from ...

#### Possible topological quantum computation via khovanov homology: D-brane topological quantum computer

(SPIE-INT SOC OPTICAL ENGINEERING, 2009-01-01)

A model of a D-Brane Topological Quantum Computer (DBTQC) is presented and sustained. The model isbased on four-dimensional TQFTs of the Donaldson-Witten and Seiber-Witten kinds. It is argued that the DBTQC is able to ...

#### Computing Tutte polynomials of contact networks in classrooms

(SPIE-INT SOC OPTICAL ENGINEERING, 2013-01-01)

Objective: The topological complexity of contact networks in classrooms and the potential transmission of an infectious disease were analyzed by sex and age. Methods: The Tutte polynomials, some topological properties and ...

#### The Critical Proportion of Immune Individuals needed to Control Hepatitis B

(SPIE-INT SOC OPTICAL ENGINEERING, 2016-05-13)

We estimate the critical proportion of immunity (Pc) to control hepatitis B in Medellin - Colombia, based on a random population survey of 2077 individuals of 6-64 years of age. The force of infection (Fi) was estimated ...