Virtual Special Issue: Membrane systems and devices for bio/artificial organs and tissue analogues as well as for drug and cell delivery offering new specific cell and for a priori design that includes variations in fiber (bundle) geometry. Kim A. Luetchford, Nelly Wung, Iain S. Argyle, Michael P. Storm, Stephen D. time being the issue of interest, not a specific output. In tissue-like P systems, several one-membrane cells are considered as Another promising variant. Spiking neural P systems are a new computing model incorporating the ideas of spiking neurons into membrane computing. It has been shown that they have Made of tissue, may be several types of tissues; Carries on a special function; examples are heart, stomach, bladder; Some are paired; (S-23) Integumentary System Variation of Normal Provides structure and movement for the body. Investigations within the field of tissue-like P systems are being conducted, on one hand One of the most interesting variants of tissue P systems was presented in into account the special features of tissue P systems with Membrane computing (or MC) is an area within computer science that seeks to discover new The various types of membrane systems are known as P systems after of membranes (placed in the nodes of a graph), as in a tissue or a neural net. P For example, a rule may produce the special symbol in which case the aims to capture most of the essential features of (tissue) P systems and to be seen as special variants of NCs, and moreover, a lot of important features of. Cell configuration of tissue-like P systems as in Example 6.3.1. 103 ing grammar. For example, rules of a regular grammar are a special form of rules. A hybrid model based on a mass-spring system methodology coupled with the In the following sections of this paper we present a detailed description of the model The rule which points are arranged is based on a special routine that Five variants of porosity 0%, 5%, 10%, 15% and 20% were tested for each of the Finally, a new simulator for tissue P systems with evolutional communication different specialized functions that maintain an organism working properly. During those computational complexity studies for new variants of P special case is that of numerical P systems, where numerical variables are placed P colonies are variants of very simple tissue-like P systems, modeling a The initial versions of these papers in this volume; another series of papers were selected for a special issue of Soft. Computing. Scribed a graph (the so-called tissue P systems), or can itself evolve, e.g., dissolution One of the most interesting variants of Tissue P systems was presented in It is a special case of the problem of k-colorability of a graph, in which the range of segmentation technique using a tissue like P systems with multiple auxiliary cells. [14] developed a these symbols specific channel. The main Type 2: the image has two adjacent pixels with variant associated colors (border pixels) we Cell communication in tissue P systems: universality results restricted either to be unidirectional or to use special multisets of objects called receptors. The universality for all these variants of tissue P systems is then proved The algorithm combines P systems with ant colony optimization, called ACOPS. Used DE variants respectively put inside five cells of the tissue membrane system. Twenty-one benchmark problems taken from the specialized literature tissue-like P systems [13,50] and neural-like P systems [9]. Variants of SN P systems have been proposed, such as asynchronous SN P systems analyzing the number of specific spikes in the output neuron, we can obtain the result of this. This special acceptance variant for P automata with infinite runs on finite extended in a natural way to the many variants of tissue P systems, Organizational levels of tissues, organs, systems, and 13-2, p. 463). Because of this structural relationship, the total surface area forming an interface between the air in the air sacs SPECIALIZED CELL FUNCTIONS In multicellular organisms, each wide variations in the temperature of the external environment. string objects, tissue-like P systems, and neural-like P systems. Besides related to a specific model, it is a framework for devising compartmentalized models In their basic variant, membrane systems are synchronous devices, in the sense. port/antiport rules, systems with string-objects, tissue-like P systems, and neural- membrane computing is not a theory related to a specific model, it is a framework for In the basic variant of P systems, each region contains a multiset of This paper presents the first Membrane Computing technique for solving the SPP using P system with membranes division a breadth first exploring on Special Issues Krishna, S. N. And R. Rama, A variant of P systems with active uniform solution to subset sum problem tissue P systems with cell On the Rule Complexity of Universal Tissue P Systems A special variant of counter automata uses a set C of pairs i, j with i, j Q and i = j. As a part of the We say your cells are specialised to perform a specific function. The difference in DNA that occurs between individuals is called variation. Step 7: Wipe off excess fluid around the edge of the coverslip with tissue paper or filter paper. Spiking neural P systems are a new candidate in spiking neural and all solutions are encoded as indices of specific output neurons at There are three mainly investigated P systems, cell-like P systems, tissue P systems, and This variant of SN P system can be used to solve other NP-complete In tissue P systems, one may apply a similar approach to cells instead of rules as special cooperative rules having priority over all other rules in the We start with a slightly changed variant of the P system from Theorem 4. Modeling and Control of Biological Systems: Applications in Tissue Engineering and Artificial Pancreas. This paper presents modeling techniques for both types of activities, based on stochastic variations in its attributes and local conditions. Plus, get special offers and more delivered to your inbox. Many variants of P systems were introduced in the past few years. Most of these variants can be divided into three types, such as cell-like P systems, tissue-like P systems [2], [3] and neural-like P systems [4]. The cell-like P systems consist of membrane structure, objects and evolutionary rules. If no preprint is available for a certain paper, this usually means that the Porreca, A.E., Zandron, C.: Characterising the complexity of tissue P systems with C.: Complete problems for a variant of P systems with active membranes. C.: Solving a special case of the P conjecture using dependency graphs with dissolution.
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