نتایج جستجو برای: terminal section
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This paper introduces the reader to several information theoretic aspects of covert communications. In particular, it discusses fundamental limits on the amount of information that can be reliably communicated in such a way that a malevolent third-party observer cannot decode the messages. This situation is considered first for a system with a single intended receiver, and then extensions of se...
Use of Wireless sensor networks have been widely seen in the fields of target detection and tracking, environmental monitoring, industrial process monitoring, and tactical systems.In wireless sensor networks nodes work with a incomplete power source, energy efficient operations in an important factor of the nodes in wireless sensor network. Energy conservation plays important role in different ...
The formation of synapses requires a series of steps including the generation of neurons and their target cells, the guidance of axons to their targets, and the induction of a specialized presynaptic terminal and postsynaptic membrane. This review is primarily concerned with the inductive events that lead to postsynaptic differentiation. Because this phase of synapse formation begins only after...
Retroviruses and many retrotransposons are flanked by sequence repeats called long terminal repeats (LTRs). These sequences contain a promoter region, which is active in the 5' LTR, and transcription termination signals, which are active in the LTR copy present at the 3' end. A section in the middle of the LTR, called Redundancy region, occurs at both ends of the mRNA. Here we show that in the ...
SUMMARY BEsTRF (Best Estimated T-RF) provides a standalone environment for analyzing primers-enzymes-gene section combinations used in terminal-restriction fragment length polymorphism (T-RFLP) for its optimal resolution. User-defined sequence databases of several hundred thousand DNA sequences can be explored and the resolution of user-specified sets of primers and restriction endonucleases ca...
The small GTPase Rho and one of its targets, Rho-associated kinase (ROCK), participate in a variety of actin-based cellular processes including smooth muscle contraction, cell migration, and stress fiber formation. The ROCK protein consists of an N-terminal kinase domain, a central coiled-coil domain containing a Rho binding site, and a C-terminal pleckstrin homology domain. Here we present the...
a look at contemporary persian poetry, currents in persian poetry in 20th century this book is a historical survey of literature though the writer has tried to distance himself from ancient approaches and to apply a modern look of analysis, critique and stylistics. in the first chapter the methodology is discussed followed by the second chapter which talks of text and metatext and the relations...
5.1. BJT Fundamentals. In this section we discuss the main principles behind the operation of the BJT. The NPN bipolar transistor consists of 2 NP-PN junctions, as depicted in Fig. 5.1.a. The bipolar device is composed of two diodes back to back with different doping profiles; the BJT has 3 terminals labeled as E(Emitter), B(Base) and C(Collector). The emitter is the most doped terminal and emi...
Neocortico-thalamo-cortical loops represent a common, yet poorly understood, circuit employing giant synapses also referred to as "class I", giant, or driver synapses. Here, we characterize a giant synapse formed by projection neurons of the paleocortical piriform cortex (PIR) onto neurons of the mediodorsal thalamus (MD). Three-dimensional (3D) ultrastructure of labeled PIR-MD terminals, obtai...
IL-17A is a pro-inflammatory cytokine that has been implicated in autoimmune and inflammatory diseases. Monoclonal antibodies inhibiting IL-17A signaling have demonstrated remarkable efficacy, but an oral therapy is still lacking. A high affinity IL-17A peptide antagonist (HAP) of 15 residues was identified through phage-display screening followed by saturation mutagenesis optimization and amin...
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