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arXiv (411,768 recursos)
This is one of the most extensive subject based repositories in the world in the field of physics, mathematics, astronomy, computer sciences and quantitative biology. This is the principal site with almost 20 mirror versions around the globe. The site is supported by an extensive collection of information and background documentation. An RSS feed is available for anyone interested in keeping up-to-date with newly added materials.

Mostrando recursos 181 - 200 de 4,680

181. DNA condensation and redissolution: Interaction between overcharged DNA molecules - Allahyarov, E.; Gompper, G.; Löwen, H.
The effective DNA-DNA interaction force is calculated by computer simulations with explicit tetravalent counterions and monovalent salt.

182. Energetic model of tumor growth - Castorina, Paolo; Zappalá, Dario
A macroscopic model of the tumor Gompertzian growth is proposed.

183. Is abundant A-to-I RNA editing primate-specific? - Eisenberg, Eli; Nemzer, Sergey; Kinar, Yaron; Sorek, Rotem; Rechavi, Gideon; Levanon, Erez Y.
A-To-I RNA editing is common to all eukaryotes, associated with various neurological functions.

184. The efficiency of multi-target drugs: the network approach might help drug design - Csermely, Peter; Agoston, Vilmos; Pongor, Sandor
Despite considerable progress in genome- and proteome-based high-throughput screening methods and rational drug design, the number of successful single target drugs did not increase appreciably during the past decade.

185. Elasticities and stabilities: lipid membranes vs cell membranes - Tu, Z. C.; An, R.; Ou-Yang, Z. C.
In this Chapter, above all, the authors give a brief introduction to some important work on mechanical properties of lipid bilayers following Helfrich's seminal work on spontaneous curvature energy of lipid bilayers.

186. An approximate threshold condition for non-autonomous system: an application to a vector-borne infection - Coutinho, F. A. B.; Burattini, M. N.; Lopez, L. F.; Massad, E.
We found that an approximate threshold condition for infection persistence describes all possible behavior of the system.

187. Base pair interactions and hybridization isotherms of matched and mismatched oligonucleotide probes on microarrays - Binder, Hans; Preibisch, Stephan; Kirsten, Toralf
The lack of specificity in microarray experiments due to non-specific hybridization raises a serious problem for the analysis of microarray data because the residual chemical background intensity is not related to the expression degree of the gene of interest.

188. A schematic age-structured compartment model of the impact of antiretroviral therapy on HIV incidence and prevalence - Lopez, L. F.; Coutinho, F. A. B.; Burattini, M. N.; Massad, E.
A simple deterministic model is proposed to represent the basic aspects concerning the effects of different antiretroviral treatment schedules on HIV incidence and prevalence of affected populations.

189. A New Simulated Annealing Algorithm for the Multiple Sequence Alignment Problem: The approach of Polymers in a Random Media - Hernández-Guía, M.; Mulet, R.; Rodríguez-Pérez, S.
We proposed a probabilistic algorithm to solve the Multiple Sequence Alignment problem.

190. Thermosynthesis as energy source for the RNA World: a new model for the origin of life - Muller, Anthonie W. J.
The first protein named pF1 obtains the energy to support the RNA world by a thermal variation of F1 ATP synthase's binding change mechanism.

191. Predicting Residue-wise Contact Orders of Native Protein Structure from Amino Acid Sequence - Kinjo, Akira R.; Nishikawa, Ken
Residue-wise contact order (RWCO) is a new kind of one-dimensional protein structures which represents the extent of long-range contacts.

192. Chemical organization theory: towards a theory of constructive dynamical systems - Dittrich, Peter; di Fenizio, Pietro Speroni
The first part introduces the concept of a chemical organization as a closed and mass-maintaining set of components.

193. Identification and Measurement of Neighbor Dependent Nucleotide Substitution Processes - Arndt, Peter F.; Hwa, Terence
The presence of neighbor dependencies generated a specific pattern of dinucleotide frequencies in all organisms.

194. Substantial regional variation in substitution rates in the human genome: importance of GC content, gene density and telomere-specific effects - Arndt, Peter F; Hwa, Terence; Petrov, Dmitri A
This study presents the first global, 1 Mbp level analysis of patterns of nucleotide substitutions along the human lineage.

195. Predator-prey cycles from resonant amplification of demographic stochasticity - McKane, A. J.; Newman, T. J.
In this paper we present the simplest individual level model of predator-prey dynamics and show, via direct calculation, that it exhibits cycling behavior.

196. Competing Polymerization of Actin Skeleton explains Relation between Network Polarity and Cell Movements - Nandy, B.; Baumgaertner, A.
Using computer simulations the reasons for this phenomena had been unveiled and shown to be attributed to two antagonistic nucleation processes during the polymerization of the cell's actin cytoskeleton : the (ordinary) spontaneous nucleation and the dendritic nucleation processes.

197. Dynamics of competing species in a model of adaptive radiations and macroevolution - De Blasio, Birgitte Freiesleben; De Blasio, Fabio Vittorio
We present a simple model of adaptive radiations in evolution based on species competition.

198. Uncorrelated two-state single molecule trajectories from reducible kinetic schemes - Flomenbom, Ophir; Klafter, Joseph
Usually, one describes the underlying mechanism that generates the trajectory using a kinetic scheme, and by analyzing the trajectory aims at deducing this scheme.

199. Molecular Phylogenetic Analyses and Real Life Data - Hoef-Emden, Kerstin
In molecular phylogeny, relationships among organisms are reconstructed using DNA or protein sequences and are displayed as trees.

200. Heisenberg uncertainty principle for thermal response of the microtubules excited by ultra-short laser pulses - Marciak-Kozlowska, J.; Kozlowski, M.; Pelc, M.
In this paper the heat signaling in microtubules (MT) is investigated.

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