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Journal articles on the topic 'Combinatorial species'

Author: Grafiati

Published: 13 July 2024

Last updated: 31 July 2025

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1

Faris, W. "Combinatorial Species and Cluster Expansions." Moscow Mathematical Journal 10, no. 4 (2010): 713–27. http://dx.doi.org/10.17323/1609-4514-2010-10-4-713-727.

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Pemha Binyam, Gabriel Cedric. "Enumerating Structures: Applications of the Hyperoctahedral Group in Combinatorial Species." Advances and Applications in Statistics and Probability 1, no. 1 (2024): 008. https://doi.org/10.17352/aasp.000002.

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Combinatorial species provide a framework for counting and classifying for counting and classifying combinatorial structures. A species assigns a set of structures to each finite set, respecting the notion of isomorphism. This approach facilitates the enumeration of various combinatorial objects. The hyperoctahedral group, also known as the signed permutation group, consists of permutations of a set of signed elements. This group plays a crucial role in combinatorial algebra, particularly in the enumeration of certain structures, such as various types of trees and graphs. Generating series, bo

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3

Spivak, Aaron T., and Gary D. Stormo. "Combinatorial Cis-regulation in Saccharomyces Species." G3: Genes|Genomes|Genetics 6, no. 3 (2016): 653–67. http://dx.doi.org/10.1534/g3.115.024331.

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4

Schmitt, William R. "Hopf Algebras of Combinatorial Structures." Canadian Journal of Mathematics 45, no. 2 (1993): 412–28. http://dx.doi.org/10.4153/cjm-1993-021-5.

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AbstractA generalization of the definition of combinatorial species is given by considering functors whose domains are categories of finite sets, with various classes of relations as moronisms. Two cases in particular correspond to species for which one has notions of restriction and quotient of structures. Coalgebras and/or Hopf algebras can be associated to such species, the duals of which provide an algebraic framework for studying invariants of structures.

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Cho, Bongrae, David C. Taylor, Hugh B. Nicholas, and Francis J. Schmidt. "Interacting RNA species identified by combinatorial selection." Bioorganic & Medicinal Chemistry 5, no. 6 (1997): 1107–13. http://dx.doi.org/10.1016/s0968-0896(97)00046-1.

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6

Rajan, Dayanand S. "The equations DkY = Xn in combinatorial species." Discrete Mathematics 118, no. 1-3 (1993): 197–206. http://dx.doi.org/10.1016/0012-365x(93)90061-w.

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7

Maia, Manuel, and Miguel Méndez. "On the arithmetic product of combinatorial species." Discrete Mathematics 308, no. 23 (2008): 5407–27. http://dx.doi.org/10.1016/j.disc.2007.09.062.

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8

Balasubramanian, Krishnan. "Symmetry and Combinatorial Concepts for Cyclopolyarenes, Nanotubes and 2D-Sheets: Enumerations, Isomers, Structures Spectra & Properties." Symmetry 14, no. 1 (2021): 34. http://dx.doi.org/10.3390/sym14010034.

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This review article highlights recent developments in symmetry, combinatorics, topology, entropy, chirality, spectroscopy and thermochemistry pertinent to 2D and 1D nanomaterials such as circumscribed-cyclopolyarenes and their heterocyclic analogs, carbon and heteronanotubes and heteronano wires, as well as tessellations of cyclopolyarenes, for example, kekulenes, septulenes and octulenes. We establish that the generalization of Sheehan’s modification of Pólya’s theorem to all irreducible representations of point groups yields robust generating functions for the enumeration of chiral, achiral,

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9

Labelle, J., and Y. N. Yeh. "The relation between burnside rings and combinatorial species." Journal of Combinatorial Theory, Series A 50, no. 2 (1989): 269–84. http://dx.doi.org/10.1016/0097-3165(89)90019-8.

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GAMBETTE, PHILIPPE, VINCENT BERRY, and CHRISTOPHE PAUL. "QUARTETS AND UNROOTED PHYLOGENETIC NETWORKS." Journal of Bioinformatics and Computational Biology 10, no. 04 (2012): 1250004. http://dx.doi.org/10.1142/s0219720012500047.

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Phylogenetic networks were introduced to describe evolution in the presence of exchanges of genetic material between coexisting species or individuals. Split networks in particular were introduced as a special kind of abstract network to visualize conflicts between phylogenetic trees which may correspond to such exchanges. More recently, methods were designed to reconstruct explicit phylogenetic networks (whose vertices can be interpreted as biological events) from triplet data. In this article, we link abstract and explicit networks through their combinatorial properties, by introducing the u

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11

Scott-Phillips, Thomas C., and Richard A. Blythe. "Why is combinatorial communication rare in the natural world, and why is language an exception to this trend?" Journal of The Royal Society Interface 10, no. 88 (2013): 20130520. http://dx.doi.org/10.1098/rsif.2013.0520.

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In a combinatorial communication system, some signals consist of the combinations of other signals. Such systems are more efficient than equivalent, non-combinatorial systems, yet despite this they are rare in nature. Why? Previous explanations have focused on the adaptive limits of combinatorial communication, or on its purported cognitive difficulties, but neither of these explains the full distribution of combinatorial communication in the natural world. Here, we present a nonlinear dynamical model of the emergence of combinatorial communication that, unlike previous models, considers how i

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Jansen, Sabine, Tobias Kuna, and Dimitrios Tsagkarogiannis. "Lagrange Inversion and Combinatorial Species with Uncountable Color Palette." Annales Henri Poincaré 22, no. 5 (2021): 1499–534. http://dx.doi.org/10.1007/s00023-020-01013-0.

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AbstractWe prove a multivariate Lagrange-Good formula for functionals of uncountably many variables and investigate its relation with inversion formulas using trees. We clarify the cancellations that take place between the two aforementioned formulas and draw connections with similar approaches in a range of applications.

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13

Labelle, Gilbert. "On the generalized iterates of Yeh's combinatorial K-species." Journal of Combinatorial Theory, Series A 50, no. 2 (1989): 235–58. http://dx.doi.org/10.1016/0097-3165(89)90017-4.

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14

Du, Meixia, Feng Li, and Yanwei Hu. "A Uniform Design Method Can Optimize the Combinatorial Parameters of Antimicrobial Photodynamic Therapy, Including the Concentrations of Methylene Blue and Potassium Iodide, Light Dose, and Methylene Blue’s Incubation Time, to Improve Fungicidal Effects on Candida Species." Microorganisms 11, no. 10 (2023): 2557. http://dx.doi.org/10.3390/microorganisms11102557.

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The optimal combinatorial parameters of antimicrobial photodynamic therapy (aPDT) mediated by methylene blue (MB) with the addition of potassium iodide (KI) against Candida species have never been defined. This study aimed to optimize the combinatorial parameters of aPDT, including the concentrations of MB (X1, 0.1–1.0 mM) and KI (X2, 100–400 mM), light dose (X3, 10–70 J/cm2), and MB’s incubation time (X4, 5–35 min) for three Candida species. The best MB + KI-aPDT fungicidal effects (Y) against Candida albicans ATCC 90028 (YCa), Candida parapsilosis ATCC 22019 (YCp), and Candida glabrata ATCC

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15

Mander, Luke. "A combinatorial approach to angiosperm pollen morphology." Proceedings of the Royal Society B: Biological Sciences 283, no. 1843 (2016): 20162033. http://dx.doi.org/10.1098/rspb.2016.2033.

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Angiosperms (flowering plants) are strikingly diverse. This is clearly expressed in the morphology of their pollen grains, which are characterized by enormous variety in their shape and patterning. In this paper, I approach angiosperm pollen morphology from the perspective of enumerative combinatorics. This involves generating angiosperm pollen morphotypes by algorithmically combining character states and enumerating the results of these combinations. I use this approach to generate 3 643 200 pollen morphotypes, which I visualize using a parallel-coordinates plot. This represents a raw morphos

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16

Leger, Daniel W. "First Documentation of Combinatorial Song Syntax in a Suboscine Passerine Species." Condor 107, no. 4 (2005): 765–74. http://dx.doi.org/10.1093/condor/107.4.765.

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AbstractBirds with songs having two or more acoustically distinct elements can arrange them either rigidly (i.e., in the same sequence) or flexibly. Flexible song syntax can be achieved either by varying the number of repetitions of elements or by combining elements in different ways. Combinatorial syntax has been documented only in the songs of oscine passerines and in one nonpasserine, but not in the suboscine passerines. Dawn and day songs of a tyrant flycatcher, the Flammulated Attila (Attila flammulatus), were recorded in Costa Rica. Flexible syntax was noted in both dawn and day song. At

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Farnia, Farnoush, Jean-Marc Frayret, Luc Lebel, and Catherine Beaudry. "Agent-based simulation of multiple-round timber combinatorial auction." Canadian Journal of Forest Research 47, no. 1 (2017): 1–9. http://dx.doi.org/10.1139/cjfr-2015-0125.

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This paper presents a simulation-based analysis of a multiple-round timber combinatorial auction in the timber industry. Currently, most timber auctions are single-unit auctions (i.e., each forest stand is sold separately). However, other types of auctions could be applied to take advantage of the various needs of the bidders with respect to species, volumes, and quality. This study aims to analyze the use of combinatorial auction to this specific context using a simulation approach. Various number of auctions per year, periodicity, lot size, and number of bidders are considered as parameters

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Steglich-Petersen, Asbjørn, and Mattias Skipper. "An Instrumentalist Account of How to Weigh Epistemic and Practical Reasons for Belief." Mind 129, no. 516 (2019): 1071–94. http://dx.doi.org/10.1093/mind/fzz062.

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Abstract When one has both epistemic and practical reasons for or against some belief, how do these reasons combine into an all-things-considered reason for or against that belief? The question might seem to presuppose the existence of practical reasons for belief. But we can rid the question of this presupposition. Once we do, a highly general ‘Combinatorial Problem’ emerges. The problem has been thought to be intractable due to certain differences in the combinatorial properties of epistemic and practical reasons. Here we bring good news: if we accept an independently motivated version of ep

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19

Leger, Daniel W. "FIRST DOCUMENTATION OF COMBINATORIAL SONG SYNTAX IN A SUBOSCINE PASSERINE SPECIES." Condor 107, no. 4 (2005): 765. http://dx.doi.org/10.1650/7851.1.

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20

Valsalakumari, Remya, Marek Feith, Solveig Pettersen, et al. "Combinatorial Effects of Free and Nanoencapsulated Forms of Cabazitaxel and RAS-Selective Lethal 3 in Breast Cancer Cells." Pharmaceutics 17, no. 5 (2025): 657. https://doi.org/10.3390/pharmaceutics17050657.

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Background: Combination therapies for cancer have gained considerable attention due to their potential for enhancing therapeutic efficacy and decreasing drug resistance. Introducing nanodrug delivery systems in this context may further improve the therapy due to targeted delivery, improved drug stability, sustained drug release, and prevention of rapid clearance from circulation. This study evaluates the combinatorial effects of two cytotoxic drugs, cabazitaxel (CBZ) and RSL3 (RAS-selective lethal 3), in free form as well as encapsulated within poly(2-ethyl butyl cyanoacrylate) (PEBCA) nanopar

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21

Bolshoy, Alexander, and Tatiana Tatarinova. "Methods of Combinatorial Optimization to Reveal Factors Affecting Gene Length." Bioinformatics and Biology Insights 6 (January 2012): BBI.S10525. http://dx.doi.org/10.4137/bbi.s10525.

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In this paper we present a novel method for genome ranking according to gene lengths. The main outcomes described in this paper are the following: the formulation of the genome ranking problem, presentation of relevant approaches to solve it, and the demonstration of preliminary results from prokaryotic genomes ordering. Using a subset of prokaryotic genomes, we attempted to uncover factors affecting gene length. We have demonstrated that hyperthermophilic species have shorter genes as compared with mesophilic organisms, which probably means that environmental factors affect gene length. Moreo

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22

Caves, Eleanor M., Tanmay Dixit, John F. R. Colebrook-Robjent, et al. "Hosts elevate either within-clutch consistency or between-clutch distinctiveness of egg phenotypes in defence against brood parasites." Proceedings of the Royal Society B: Biological Sciences 288, no. 1953 (2021): 20210326. http://dx.doi.org/10.1098/rspb.2021.0326.

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In host–parasite arms races, hosts can evolve signatures of identity to enhance the detection of parasite mimics. In theory, signatures are most effective when within-individual variation is low (‘consistency’), and between-individual variation is high (‘distinctiveness’). However, empirical support for positive covariation in signature consistency and distinctiveness across species is mixed. Here, we attempt to resolve this puzzle by partitioning distinctiveness according to how it is achieved: (i) greater variation within each trait, contributing to elevated ‘ absolute distinctiveness’ or (i

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23

Jaillard, Benoît, Philippe Deleporte, Michel Loreau, and Cyrille Violle. "A combinatorial analysis using observational data identifies species that govern ecosystem functioning." PLOS ONE 13, no. 8 (2018): e0201135. http://dx.doi.org/10.1371/journal.pone.0201135.

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24

Veggiani, Gianluca, Jessica Zuin, Luca Beneduce, Andrea Gallotta, Paolo Pengo, and Giorgio Fassina. "Combinatorial Semisynthesis of Biomarker-IgM Complexes." Journal of Biomolecular Screening 15, no. 10 (2010): 1274–80. http://dx.doi.org/10.1177/1087057110378623.

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Circulating immune complexes formed by tumor antigens and immunoglobulin M (IgM) represent a novel class of biomarkers with diagnostic value for early cancer detection. The quantitative analysis of these immune complexes is achieved by enzyme-linked immunosorbent assay (ELISA) methods using a purified calibrator from samples of patients with cancer. These complexes obtained from samples of human origin are not suitable for cost-effective production processes with high safety standards. Given the ill-defined biomarker/IgM ratio in these complexes, semisynthesis with retention of functional prop

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25

Vasilyeva, L. N. "The hierarchy and combinatorial space of characters in evolutionary systematics." Species and speciation. Analysis of new views and trends 313, Supplement 1 (2009): 235–49. http://dx.doi.org/10.31610/trudyzin/2009.supl.1.235.

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In this paper, the Linnaean hierarchy is discussed as the taxonomic model for the evolutionary differentiation of the earth’s biota. This model allows us to understand why a number of ideas and arguments in the evolutionary theory are unfortunate. Among these is the idea of a linear ladder of nature («scala natura»). The arguments about species constancy versus species variability, natural species versus «artificial» higher taxa, a single type of animals versus multiple types, as well as about the connection versus disconnection of microevolution and macroevolution are meaningless. Two kinds o

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26

Wilson, Benjamin, and Christopher I. Petkov. "From evolutionarily conserved frontal regions for sequence processing to human innovations for syntax." Interaction Studies 19, no. 1-2 (2018): 318–35. http://dx.doi.org/10.1075/is.17038.wil.

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Abstract Empirical advances have been made in understanding how human language, in its combinatorial complexity and unbounded expressivity, may have evolved from the communication systems present in our evolutionary ancestors. However, a number of cognitive processes and neurobiological mechanisms that support language may not have evolved specifically for communication, but rather from abilities that support perception and cognition more generally. We review recent evidence from comparative behavioural and neurobiological studies on structured sequence learning in human and nonhuman primates.

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Demongeot, Jacques, Jules Waku, and and Olivier Cohen. "Combinatorial and frequency properties of the ribosome ancestors." Mathematical Biosciences and Engineering 21, no. 1 (2023): 884–902. http://dx.doi.org/10.3934/mbe.2024037.

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<abstract> <sec><title>Background</title><p> The current ribosome has evolved from the primitive stages of life on Earth. Its function is to build proteins and on the basis of this role, we are looking for a universal common ancestor to the ribosome which could: i) present optimal combinatorial properties, and ii) have left vestiges in the current molecules composing the ribosome (rRNA or r-proteins) or helping in its construction and functioning. </p></sec> <sec><title>Methods</title><p> Genomic public databases are used for fi

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Gutman, Ivan, Izudin Redžepović, and Veerabhadrappa R. Kulli. "KG-Sombor index of Kragujevac trees." Open Journal of Discrete Applied Mathematics 5, no. 2 (2022): 19–25. http://dx.doi.org/10.30538/psrp-odam2022.0075.

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The paper is concerned with the KG-Sombor index (\(KG\)), a recently introduced vertex-and-edge-degree-based version of the Sombor index, applied to Kragujevac trees (\(Kg\)). A general combinatorial expression for \(KG(Kg)\) is established. The species with minimum and maximum \(KG(Kg)\)-values are determined.

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Gutman, Ivan, Veerabhadrappa Kulli, and Izudin Redžepović. "Sombor index of Kragujevac trees." Scientific Publications of the State University of Novi Pazar Series A: Applied Mathematics, Informatics and mechanics 13, no. 2 (2021): 61–70. http://dx.doi.org/10.5937/spsunp2102061g.

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The paper is concerned with the Sombor index (SO) of Kragujevac trees (Kg). A slightly more general definition of Kg is offered. SO is a recently introduced degree-based topological index. A general combinatorial expression for SO(Kg) is established. The species with minimum and maximum SO(Kg)-values are determined.

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Singh, Roshan Kumar, Sandeep Satapathy, Chanchal Kumar, and Kirti. "The Complex Triad of Combinatorial Anticancer Therapy: Curcumin, p53, and Reactive Oxygen Species." Clinical Medicine Insights: Therapeutics 7 (January 2015): CMT.S33407. http://dx.doi.org/10.4137/cmt.s33407.

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Cancer therapies based on single target molecules have proved to be ineffective both in terms of their desired action and associated undesired side effects. Combinatorial cancer therapies involve selection of different components with targeted effects, which can lead to a synergistic effect for anticancer therapy. Curcumin induces the expression of p53 and downregulates that of Mdm2, ultimately resulting in induction of apoptosis. Subsequently, there is an elevated expression of p53-induced genes, which activate reactive oxygen species (ROS) thereby establishing cellular communication and disp

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Springer, Stevan A., Gary W. Moy, Daniel S. Friend, Willie J. Swanson, and Victor D. Vacquier. "Oyster sperm bindin is a combinatorial fucose lectin with remarkable intra-species diversity." International Journal of Developmental Biology 52, no. 5-6 (2008): 759–68. http://dx.doi.org/10.1387/ijdb.082581ss.

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Jaillard, Benoît, Philippe Deleporte, Michel Loreau, and Cyrille Violle. "Correction: A combinatorial analysis using observational data identifies species that govern ecosystem functioning." PLOS ONE 13, no. 9 (2018): e0203681. http://dx.doi.org/10.1371/journal.pone.0203681.

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Jiang, Yang, Zhaoxue Zhang, Jie Zhang, Shi Wang, and Xiuguo Zhang. "Morphological and Phylogenetic Analyses Reveal Three New Species of Phyllosticta (Botryosphaeriales, Phyllostictaceae) in China." Journal of Fungi 10, no. 1 (2023): 7. http://dx.doi.org/10.3390/jof10010007.

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The genus Phyllosticta has been reported worldwide and contains many pathogenic and endophytic species isolated from a wide range of plant hosts. A multipoint phylogeny based on gene coding combinatorial data sets for the internal transcribed spacer (ITS), large subunit of ribosomal RNA (LSU rDNA), translation elongation factor 1α (TEF1α), actin (ACT), and glycerol-3-phosphate dehydrogenase (GPDH), combined with morphological characteristics, was performed. We describe three new species, P. fujianensis sp. nov., P. saprophytica sp. nov., and P. turpiniae sp. nov., and annotate and discusse the

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Amin, Kadji. "Taxonomically Queer?" GLQ: A Journal of Lesbian and Gay Studies 29, no. 1 (2023): 91–107. http://dx.doi.org/10.1215/10642684-10144435.

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Can taxonomy—a scientific method critiqued for its utility within Western imperial projects of racial and species classification—be queered? This article mines the tensions between the hostility to taxonomy within critical theory and the taxonomical renaissance within contemporary queer, trans, and asexual vernacular systems of classification. Contemporary queer uses of taxonomy express a shared utopian vision of combinatorial queerness, in which sexual, gender, and relational liberation occur through a multiplying menu of increasingly fine-grained identity options. The article examines the un

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Desjonquères, Camille, Rebecca R. Holt, Bretta Speck, and Rafael L. Rodríguez. "The relationship between a combinatorial processing rule and a continuous mate preference function in an insect." Proceedings of the Royal Society B: Biological Sciences 287, no. 1935 (2020): 20201278. http://dx.doi.org/10.1098/rspb.2020.1278.

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Mate choice involves processing signals that can reach high levels of complexity and feature multiple components, even in small animals with tiny brains. This raises the question of whether and how such organisms deal with this complexity. One solution involves combinatorial processing, whereby different signal elements are processed as single units. Combinatorial processing has been described in several mammals and birds, and recently in a vibrationally signalling insect, Enchenopa treehoppers. Here, we ask about the relationship between combinatorial rules and mate preferences for continuous

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36

Keuter, Philipp, Soheil Karimi Aghda, Denis Music, Pauline Kümmerl, and Jochen M. Schneider. "Synthesis of Intermetallic (Mg1−x,Alx)2Ca by Combinatorial Sputtering." Materials 12, no. 18 (2019): 3026. http://dx.doi.org/10.3390/ma12183026.

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The synthesis–composition–structure relationship in the Mg–Ca–Al system is studied using combinatorial magnetron sputtering. With increasing deposition temperature, a drastic decrease in Mg concentration is obtained. This behavior can be understood based on density functional theory calculations yielding a desorption energy of 1.9 eV/atom for Mg from a hexagonal Mg nanocluster which is far below the desorption energy of Mg from a Mg2Ca nanocluster (3.4 eV/atom) implying desorption of excess Mg during thin film growth at elevated temperatures. Correlative structural and chemical analysis of bin

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von Reuss, Stephan H., and Frank C. Schroeder. "Combinatorial chemistry in nematodes: modular assembly of primary metabolism-derived building blocks." Natural Product Reports 32, no. 7 (2015): 994–1006. http://dx.doi.org/10.1039/c5np00042d.

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Nematodes are amazingly skilled chemists: using simple building blocks from conserved primary metabolism and a strategy of modular assembly, C. elegans and other nematode species create complex molecular architectures to regulate their development and behaviour.

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Dombrovskaya, Y. V., and A. S. Opaev. "Organization of song of the Yellow-rumped flycatcher (<i>Ficedula zanthopygia</i>, Muscicapidae, Aves)." Povolzhskiy Journal of Ecology, no. 2 (June 24, 2023): 131–47. http://dx.doi.org/10.35885/1684-7318-2023-2-131-147.

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Birdsong consists of stereotypical song types or syllables which follow each other according to certain rules. Based on these rules, linear and combinatorial syntaxes are identified. The former one implies a fixed sequence of song types repeated cyclically. In the combinatorial syntax, there are clusters of song types, within which song types may be performed in a varying sequence. The structure and organization of birdsong have been described for many species, but still remain unexplored for most of them. We studied for the first time the song structure and organization, as well as song shari

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Pardo, Michael A., Joyce H. Poole, Angela S. Stoeger, et al. "Differences in combinatorial calls among the 3 elephant species cannot be explained by phylogeny." Behavioral Ecology 30, no. 3 (2019): 809–20. http://dx.doi.org/10.1093/beheco/arz018.

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Guadalupi, Chiara, Luca Braglia, Floriana Gavazzi, Laura Morello, and Diego Breviario. "A Combinatorial Q-Locus and Tubulin-Based Polymorphism (TBP) Approach Helps in Discriminating Triticum Species." Genes 13, no. 4 (2022): 633. http://dx.doi.org/10.3390/genes13040633.

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The simple and straightforward recognition of Triticum species is not an easy task due to their complex genetic origins. To provide a recommendation, we have compared the performance of different PCR-based methods relying on the discrimination ability of the Q- and γ-gliadin (GAG56D) genes, as well as TBP (Tubulin-Based Polymorphism), a method based on the multiple amplification of genes of the β-tubulin family. Among these approaches, the PCR-RFLP (Restriction Fragment Length Polymorphism) assay based on a single-nucleotide polymorphism (SNP) present in the Q gene is the only one capable of f

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Kini, Deepthi, Harish Kumar, and Manjunath Ghate. "Microwave Assisted Liquid Phase Synthesis of Benzimidazolo Benzothiophenes for Antimicrobial Activity." E-Journal of Chemistry 6, s1 (2009): S25—S32. http://dx.doi.org/10.1155/2009/934706.

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Benzimidazolo benzothiophene derivatives were prepared by liquid phase combinatorial synthesis using soluble polymer support PEG 5000 and 4-fluoro-3-nitrobenzoic acid as starting materials with substituted primary amines. All these synthesized compounds were established by the spectral data and tested for antimicrobial activity against gram positive bacteria,i.e. S. aureus, B. subtilisand gram negative bacteria,E.coliandP.aeruginosaand anti fungal activity againstC. albicans. Ampicillin and ciprofloxacin were used as standard for antibacterial activity and cotrimoxazole for anti fungal activit

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Adamyk, K. L. M., E. Holmes, G. R. Mayfield, et al. "Sorting permutations: Games, genomes, and cycles." Discrete Mathematics, Algorithms and Applications 09, no. 05 (2017): 1750063. http://dx.doi.org/10.1142/s179383091750063x.

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Permutation sorting, one of the fundamental steps in pre-processing data for the efficient application of other algorithms, has a long history in mathematical research literature and has numerous applications. Two special-purpose sorting operations are considered in this paper: context directed swap, (cds) and context directed reversal, (cdr). These are special cases of sorting operations that were studied in prior work on permutation sorting. Moreover, cds and cdr have been postulated to model molecular sorting events that occur in the genome maintenance program of certain species of single-c

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Jo, Yunhui, Eun Kim, Sei Sai, et al. "Functional Biological Activity of Sorafenib as a Tumor-Treating Field Sensitizer for Glioblastoma Therapy." International Journal of Molecular Sciences 19, no. 11 (2018): 3684. http://dx.doi.org/10.3390/ijms19113684.

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Glioblastoma, the most common primary brain tumor in adults, is an incurable malignancy with poor short-term survival and is typically treated with radiotherapy along with temozolomide. While the development of tumor-treating fields (TTFields), electric fields with alternating low and intermediate intensity has facilitated glioblastoma treatment, clinical outcomes of TTFields are reportedly inconsistent. However, combinatorial administration of chemotherapy with TTFields has proven effective for glioblastoma patients. Sorafenib, an anti-proliferative and apoptogenic agent, is used as first-lin

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de Francesco Albasini, Luisa, and Norma Zagaglia Salvi. "On the Adjacent Cycle Derangements." ISRN Discrete Mathematics 2012 (December 2, 2012): 1–12. http://dx.doi.org/10.5402/2012/340357.

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A derangement, that is, a permutation without fixed points, of a finite set is said to be an adjacent cycle when all its cycles are formed by a consecutive set of integers. In this paper we determine enumerative properties of these permutations using analytical and bijective proofs. Moreover a combinatorial interpretation in terms of linear species is provided. Finally we define and investigate the case of the adjacent cycle derangements of a multiset.

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He, Qiye, Anaïs F. Bardet, Brianne Patton, et al. "High conservation of transcription factor binding and evidence for combinatorial regulation across six Drosophila species." Nature Genetics 43, no. 5 (2011): 414–20. http://dx.doi.org/10.1038/ng.808.

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Reynaud, C. A., V. Dufour, and J. C. Weill. "Generation of diversity in mammalian gut-associated lymphoid tissues: restricted V gene usage does not preclude complex V gene organization." Journal of Immunology 159, no. 7 (1997): 3093–95. http://dx.doi.org/10.4049/jimmunol.159.7.3093.

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Abstract The sheep genome contains 60 to 90 V lambda genes distributed in least 6 different families, whereas 37 V lambda genes and 10 families exist in humans. Comparison with human V lamda sequences indicates that sheep V lambda genes display less overall sequence divergence, but are closer to the genes most frequently used in the human peripheral repertoire. In both species, 2 to 3 genes contribute half of the expressed sequences. Therefore, similar large combinatorial potential and restriction of the expressed repertoire can exist in two species whose strategy of diversification differs wi

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Doan, Phuong, Phung Nguyen, Akshaya Murugesan, Nuno R. Candeias, Olli Yli-Harja, and Meenakshisundaram Kandhavelu. "Alkylaminophenol and GPR17 Agonist for Glioblastoma Therapy: A Combinational Approach for Enhanced Cell Death Activity." Cells 10, no. 8 (2021): 1975. http://dx.doi.org/10.3390/cells10081975.

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Drug resistance and tumor heterogeneity limits the therapeutic efficacy in treating glioblastoma, an aggressive infiltrative type of brain tumor. GBM cells develops resistance against chemotherapeutic agent, temozolomide (TMZ), which leads to the failure in treatment strategies. This enduring challenge of GBM drug resistance could be rational by combinatorial targeted therapy. Here, we evaluated the combinatorial effect of phenolic compound (2-(3,4-dihydroquinolin-1(2H)-yl)(p-tolyl)methyl)phenol (THTMP), GPR17 agonist 2-({5-[3-(Morpholine-4-sulfonyl)phenyl]-4-[4-(trifluoromethoxy)phenyl]-4H-1,

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Guénard, Guillaume, Peter Carsten von der Ohe, Steven Carlisle Walker, Sovan Lek, and Pierre Legendre. "Using phylogenetic information and chemical properties to predict species tolerances to pesticides." Proceedings of the Royal Society B: Biological Sciences 281, no. 1789 (2014): 20133239. http://dx.doi.org/10.1098/rspb.2013.3239.

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Direct estimation of species' tolerance to pesticides and other toxic organic substances is a combinatorial problem, because of the large number of species–substance pairs. We propose a statistical modelling approach to predict tolerances associated with untested species–substance pairs, by using models fitted to tested pairs. This approach is based on the phylogeny of species and physico-chemical descriptors of pesticides, with both kinds of information combined in a bilinear model. This bilinear modelling approach predicts tolerance in untested species–compound pairs based on the facts that

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Rasib, Khalid, and Hina Ashraf. "Combinatorial Potential of bait matrix against subterranean termites under lab and field conditions." Sociobiology 63, no. 2 (2016): 831. http://dx.doi.org/10.13102/sociobiology.v63i2.894.

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Bait matrix of different treatments were evaluated against two termite species i.e. Odontotermes obesus and Coptotermes heimi both under laboratory and field conditions. Mean wood consumption in laboratory bioassays were investigated for 2, 4 and 6 weeks with maximum consumption was noted after 4 weeks. While, field experiment was conducted for 24 there was greater consumption of the loosely bound bait matrix compared to the tightly bound matrix. However, feeding was comparatively high in combinations with attractants. Overall, treated colonies experienced a 90-95% decrease in population size

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Varfolomeyev, Sergey, Elena Efremenko, Irina P. Beletskaya, et al. "Postgenomic chemistry (IUPAC Technical Report)." Pure and Applied Chemistry 77, no. 9 (2005): 1641–54. http://dx.doi.org/10.1351/pac200577091641.

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Numerous areas of chemistry can benefit from the ongoing genomic revolution. Here, we discuss and highlight trends in chemistry in the postgenomic era. The areas of interest include combinatorial approaches in organic chemistry; design and analysis of proteins containing unnatural amino acids; trace element-containing proteins; design and characterization of new enzyme types; applications of postgenomic chemistry in drug design; identification of lipid networks and global characterization of lipid molecular species; development of recombinant and self-proliferating polymers; and applications i

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