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On symmetric breather collisions in lattices with saturable nonlinearity
(European Physical Journal B. Condensed Matter and Complex Systems, 2006)
Symmetric collisions of two discrete breathers in the lattice with saturable nonlinearity are investigated. The strong correlation of the collision properties and the parameters of colliding breathers (power, velocity, and ...
Closed-form formulae for the derivatives of trigonometric functions at rational multiples of pi
(Applied Mathematics Letters, 2009)
In this sequel to our recent note [D. Cvijovic, Values of the derivatives of the cotangent at rational multiples of pi, Appl. Math. Lett. http://dx.doi.org/10.1016/J.aml.2008.03.013] it is shown, in a unified manner, by ...
Angiotensin II type 1 receptor gene polymorphism and essential hypertension in Serbian population
(Clinica Chimica Acta, 2003)
Essential hypertension is considered to be a multifactorial trait resulting from the combined influence of environmental and genetic determinants. Due to the controversial results about the role of the ATR1 gene locus in ...
Pulsed TEA CO2 laser surface modifications of silicon
(Applied Surface Science, 2003)
The interaction of a transversely excited atmospheric (TEA) CO, laser, pulse duration of about 2 mus (FWHM of initial spike = 120 ns), with p-type single crystalline silicon doped by boron, was studied. The results have ...
Pentanucleotide TTTTA and G/A-914 DNA polymorphisms in apolipoprotein(a) promoter: Genotyping by single-tube PCR
(Clinical Chemistry and Laboratory Medicine, 2003)
It is known that pentanucleotide repeat polymorphism, consisting of varying number of (TTTTA) repeats in a promoter, is associated with plasma lipoprotein(a) levels. G/A -914 base substitution has also been correlated with ...
Closed-form summation of two families of finite tangent sums
(Applied Mathematics and Computation, 2008)
In our recent paper with Srivastava [D. Cvijovic, H.M. Srivastava, Summation of a family of finite secant sums, Appl. Math. Comput. 190 (2007) 590-598] a remarkably general family of the finite secant sums was summed in ...
Immobilization and cold stress affect sympatho-adrenomedullary system and pituitary-adrenocortical axis of rats exposed to long-term isolation and crowding
(Physiology and Behavior, 2004)
Changes in plasma levels of noradrenaline (NA), adrenaline (A), adrenocorticotropic hormone (ACTH) and corticosterone (CORT), as well as in cytosol glucocorticoid receptor (GR) and heat shock protein 70 (Hsp 70) in hippocampus ...
Biquadratic coupling between two ordering parameters in 1 : 3 B-site ordered spinels
(Physics Letters A, 2004)
The Letter presents an analysis of the order-disorder phase transition mechanism, Fd (3) over bar LT ---- GT P4(3)32, in 1:3 B-site ordered spinels, Li1.33xCo2-2xTi1+0.67xO4 and Li1-0.5xFe2.5xMn2-2xO4, by using the Landaus ...
Brain glucocorticoid receptor and heat shock protein 70 levels in rats exposed to acute, chronic or combined stress
(Neuropsychobiology, 2005)
The pattern and intensity of glucocorticoid receptor (GR) and heat shock 70 protein (Hsp 70) changes in the hippocampus and brain cortex of adult Wistar rat males exposed to acute (immobilization, cold) and chronic (social ...
Investigation of the projectile atomic number influence to the total sputtering yield in the keV energy region
(Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 2008)
The non-monotonous dependence of the total sputtering yield on the projectile atomic number, which is unexpected in the frame of the Sigmund linear cascade theory, is investigated using Monte Carlo simulations (program ...