The Activation–Relaxation Technique (ARTn) is an efficient technique for finding the minima and saddle points of multidimensional functions such as potential energy surface atomic systems in chemistry. In this work we detail illustrate significant improvements made to algorithm, regarding both preprocessing activation process itself. As showcased, these advances significantly reduce ARTn comput...

BACKGROUND Olfactory receptors work at the interface between the chemical world of volatile molecules and the perception of scent in the brain. Their main purpose is to translate chemical space into information that can be processed by neural circuits. Assuming that these receptors have evolved to cope with this task, the analysis of their coding strategy promises to yield valuable insight in h...

Activated carbon is an amorphous carbon chain which has extremely extended surface area. High surface area of activated carbon is due to the porous structure. Activated carbon, using a variety of materials such as coal and cellulosic materials; can be obtained by both physical and chemical methods. The prepared activated carbon can be used for decolorize, deodorize and also can be used for remo...

The aim of this study was to evaluate the degree conversion (DC) and cohesive strength (CS) two conventional resin cements a self-adhesive cement using different forms activation. Two dual (Variolink II RelyX ARC) were polymerized in three ways activation, namely Chemically Activated (CA), Light with Interposition disc (LI) Light-Activated (L). DC evaluated Fourier Transformed Infrared Spectros...

introduction there is a growing interest in determining the concentration of various elements in food spices. in the present study, the instrumental neutron activation analysis (inaa) was employed to measure the trace elements in 11 commonly food spices consumed in tehran, iran. materials and methods the levels of k, mn, na, cl, v, br, al, and as were determined and their effects on human healt...

This article presents the modern state of energy-efficient residential building exterior wall constructions from aerated concrete, and main properties concrete are analyzed. Properties composite materials, strength, heat-technical depending on their structure considered. Also, analysis existing problems in obtaining Republic Uzbekistan is presented. The results research use industrial waste hav...

UNLABELLED : BACKGROUND Default activation of the spindle assembly checkpoint provides severe constraints on the underlying biochemical activation rates: on one hand, the cell cannot divide before all chromosomes are aligned, but on the other hand, when they are ready, the separation is quite fast, lasting a few minutes. Our purpose is to use these opposed constraints to estimate the associat...

background: focal segmental glomerulosclerosis (fsgs) is a type of nephrotic syndrome which is diagnosed by renal biopsy. degree of the proteinuria, renal dysfunction, histologic findings and the response to therapy are some factors used for evaluating the prognosis of fsgs. objectives: in the present study, we attempted to discover some protein candidates for disease prognosis related to glome...

background: recurrent spontaneous abortion (rsa) and in vitro fertilization (ivf) failure with unknown causes are the controversial issues that are probably related to the immune system. objective: to compare circulating nk cells expressing activation and inhibition surface markers between patients with rsa and ivf failure with those of healthy multiparous and successful ivf control women, resp...