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1

Righi, Gilberto, and Rafael A. T. Guerra. "Alguns Oligochaeta do norte e nordeste do Brasil." Boletim de Zoologia 9, no. 9 (1985): 145. http://dx.doi.org/10.11606/issn.2526-3358.bolzoo.1985.122294.

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São estudadas 16 espécies de Oligochaeta do norte e noroeste do Brasil. A Ocnerodrilidae, Eukerria emete, sp. n. e a Glossoscolecidae, Chibui barni, gen. n., sp. n. sao descritas. São apresentadas novas observações sobre Martiodrilus matapi. Novas ocorrências são indicadas para as Ocnerodrilidae: Gordiodrilus habessinus, Eukerria eiseniana, E. urna, Nematogenia lacuum; Octochaetidae: Dichogaster bolaui, D. gracilis, D. modiglianii, D. saliens; Glossoscolecidae : Martiodrilus matapi, Rhinodrilus curiosus, Pontoscolex (P.) corethrurus, Goiascolex pepus, Diaguita vivianeae e Glossodrilus tocantin
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2

ALADESIDA, A. A., and S. O. OWA. "FOUR NEW EARTHWORM GENERA (ANNELIDA: OLIGOCHAETA) FROM NIGERIA." Journal of Natural Sciences Engineering and Technology 14, no. 1 (2016): 103–12. http://dx.doi.org/10.51406/jnset.v14i1.1497.

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The taxonomy of earthworms in Nigeria has been mainly on the family Eudrilidae. The present work describes four new earthworm genera belonging to earthworm families other than the Eudrilidae. Earthworm samples were collected using the digging and hand-sorting method. The earthworms are preserved in formoacetic alcohol. The four taxa described here include Imekodrilus hexagastricus (family Moniligastridae), Adodrilus stephana (family Megascolecidae), Parnematogenia eyinwaensis and Ekitidrilus alabataensis(family Ocnerodrilidae). Imekodrilus hexagastricus from Imeko, Ogun State has six gizzards,
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3

Teisaire, Ernestina Susana, María Cristina Picón, and Ana García Moreno. "LAS LOMBRICES DE TIERRA (ANNELIDA: CRASSICLITELLATA: OLIGOCHAETA) DEL PARQUE NACIONAL IGUAZÚ (MISIONES, ARGENTINA)." Natura Neotropicalis 2, no. 47 (2017): 31–39. http://dx.doi.org/10.14409/natura.v2i47.6928.

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Las lombrices de tierra son cruciales para el funcionamiento del suelo como una importante parte de la macrofauna de ese ecosistema. En las áreas naturales es sabido que las especies exóticas o invasoras pueden desplazar las nativas y también producir su extinción. Estas consecuencias se explican por los cambios sufridos en las condiciones del ambiente, que posibilitan la inserción de las especies exóticas y amenazan la supervivencia de las nativas. La causa más común de alteraciones de ambientes naturales son las actividades realizadas por el hombre y que al mismo tiempo en forma accidental p
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4

Hanai, Wataru, Tsuyoshi Yamaguchi, and Tatsuro Matsuoka. "Re-investigation of translational–orientational coupling behavior of nematogen in isotropic phase with non-nematogenic additives." Japanese Journal of Applied Physics 57, no. 7S1 (2018): 07LB05. http://dx.doi.org/10.7567/jjap.57.07lb05.

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5

Ojha, Durga Prasad. "Nematogenic Behaviour of a Cyano-Compound Using Quantum Mechanics and Computer Simulations." Zeitschrift für Naturforschung A 56, no. 3-4 (2001): 319–25. http://dx.doi.org/10.1515/zna-2001-0315.

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Abstract Using quantum mechanics and intermolecular forces, the molecular ordering of a nematogenic cya-no-compound, 5-(frans-4-ethylcyclohexyl)-2-(4-cyanophenyl)-pyrimidine (ECCPP), has been exam­ ined. The CNDO/2 method has been employed to evaluate the net atomic charge and the dipole mo­ ment components at each atomic centre of the molecule. The configuration energy has been computed using the modified Rayleigh-Schrödinger perturbation method at intervals of 1Ä in translation and 10P in rotations, and corresponding probabilities have been calculated using Maxwell-Boltzmann statistics. The
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6

Ojha, Durga Prasad, B. Raja Rajeswari, and V. G. K. M. Pisipati. "Molecular Ordering of a Nematic Liquid Crystal in a Dielectric Medium." Zeitschrift für Naturforschung A 55, no. 11-12 (2000): 929–35. http://dx.doi.org/10.1515/zna-2000-11-1218.

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Abstract A computational analysis of the molecular ordering of 4-(4'-ethoxyphenylazo) phenyl hexanoate (EPPH) has ben carried out on the basis of intermolecular interaction energy calculations. The CNDO/2 method has been employed to evaluate the net atomic charge ad atomic dipole moment components at each atomic centre of the molecule. A modified Rayleigh-Schrödinger perturbation theory alongwith a multicentered-multipole expansion method has been employed to evaluate long-range intermolecular interactions, while a "6-exp" potential function has been assumed for short-range interactions, and c
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7

Rane, Rupesh, Vandit Pandya, Dhruv Darji, Rakesh R. Giri, and Anushree Ujjankar. "A Synthesis and Mesophase behaviour of Homologous Series: 4-(4’-n-alkoxy cinnamoyloxy) Azo 4”-bromo-3”-methyl benzene with Terminal Methyl and bromo group." Scientiae Radices 4, no. 2 (2025): 169–80. https://doi.org/10.58332/scirad2025v4i2a05.

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A new homologous series 4-(4’-n-alkoxy cinnamoyloxy) Azo 4”-bromo-3”-methyl benzene was synthesized with a view to understand and establish the relation between mesogenic properties and structure of molecules. Ethyl to hexadecyl all twelve homologues are enantiotropically nematogenic. None of the homologues exhibited a smectogenic mesophase. No odd–even effect was observed in the transition curve. The average thermal stability was observed to be 127.9°C and the nematogenic mesophase ranged from 8.0°C to 16.0°C. Thus, the series was found to be of a low ordered melting type with moderate nemato
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8

Goossens, Karel, Duncan W. Bruce, Rik Van Deun, Koen Binnemans, and Thomas Cardinaels. "Nematogenic tetracatenar lanthanidomesogens." Dalton Transactions 41, no. 43 (2012): 13271. http://dx.doi.org/10.1039/c2dt31870a.

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9

Jain, B. B., and R. B. Patel. "Study of Thermotropic Mesomorphismin Nonlinear and Linear Isomeric and Nonisomeric Series." International Letters of Chemistry, Physics and Astronomy 60 (September 2015): 1–10. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.60.1.

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Chalconyl homologous series: RO-C6H4-COO-C6H4(m)-CO-CH=CH-OC14H29(n) para has been synthesized and studied with a view to establish the relation between the molecular structure and thermotropic Liquid crystalline (LC) properties. Novel nonlinear series consists of thirteen members (C1 to C18) of a series. C6 to C18 members are enantiotropically nematogenic and the rest of the homologues ( C1 to C5 ) are nonliquid crystals (NLC). Smectogenic character is totally absent. Transition temperatures and the textures of the novel homologues were determined by an optical polarizing microscopy (POM) equ
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10

Jain, B. B., and R. B. Patel. "Study of Thermotropic Mesomorphismin Nonlinear and Linear Isomeric and Nonisomeric Series." International Letters of Chemistry, Physics and Astronomy 60 (September 30, 2015): 1–10. http://dx.doi.org/10.56431/p-2gs57l.

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Chalconyl homologous series: RO-C6H4-COO-C6H4(m)-CO-CH=CH-OC14H29(n) para has been synthesized and studied with a view to establish the relation between the molecular structure and thermotropic Liquid crystalline (LC) properties. Novel nonlinear series consists of thirteen members (C1 to C18) of a series. C6 to C18 members are enantiotropically nematogenic and the rest of the homologues ( C1 to C5 ) are nonliquid crystals (NLC). Smectogenic character is totally absent. Transition temperatures and the textures of the novel homologues were determined by an optical polarizing microscopy (POM) equ
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11

Dudhagara, Y. B., G. N. Bhola, and Umed C. Bhoya. "Mesomorphism Molecular Rigidity and Flexibility." International Letters of Chemistry, Physics and Astronomy 51 (May 2015): 61–68. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.51.61.

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A novel homologous series of liquid crystalline (LC) behaviors of Schieff’s bases: RO-C6H4-CH=CH-COO-C6H4-N=CH-C6H4-OC2H5 have been synthesized and studied with a view to understand and establish the effect of molecular structure on LC properties of a novel substances. The members of a novel series are enantiotropically nematogenic (C1 to C10) or the some of the homologues (C12 to C18) are smectogenic phase nematogenic. Transition temperatures, textures and melting behaviors observed or determined by an optical polarizing microscopy equipped with a heating stage. Thermometric temperatures are
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12

Dudhagara, Y. B., G. N. Bhola, and Umed C. Bhoya. "Mesomorphism Molecular Rigidity and Flexibility." International Letters of Chemistry, Physics and Astronomy 51 (May 15, 2015): 61–68. http://dx.doi.org/10.56431/p-g1ggzd.

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A novel homologous series of liquid crystalline (LC) behaviors of Schieff’s bases: RO-C6H4-CH=CH-COO-C6H4-N=CH-C6H4-OC2H5 have been synthesized and studied with a view to understand and establish the effect of molecular structure on LC properties of a novel substances. The members of a novel series are enantiotropically nematogenic (C1 to C10) or the some of the homologues (C12 to C18) are smectogenic phase nematogenic. Transition temperatures, textures and melting behaviors observed or determined by an optical polarizing microscopy equipped with a heating stage. Thermometric temperatures are
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13

Bogoslovov, R. B., C. M. Roland, J. Czub, and S. Urban. "Interaction Potential in Nematogenic 6CHBT†." Journal of Physical Chemistry B 112, no. 50 (2008): 16008–11. http://dx.doi.org/10.1021/jp805421g.

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14

Kato, K., S. Kobinata, and S. Maeda. "Spectroscopic and thermodynamic studies of binary mixtures composed of nematogenic and non-nematogenic components." Liquid Crystals 5, no. 2 (1989): 595–600. http://dx.doi.org/10.1080/02678298908045410.

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15

B., C. Chauhan, and V. Doshi A. "Study of azoester mesogenic homologous series : p-(p'-n-Alkoxybenzoyloxy)-o-methyl phenylazo-p" -chlorobenzenes." Journal of Indian Chemical Society Vol. 82, May 2005 (2005): 463–65. https://doi.org/10.5281/zenodo.5830340.

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Shri P. H.G. Municipal Arts and Science College, Kalol-382 721, India Matushri Virbaima Mahila Science &amp; Home Science College (Saurashtra University), Kalavad Road, Rajkot-360 001, India <em>Manuscript received 11 February 2003, revised 25 October 2004, accepted 2 February 2005</em> Mesogenic homologous series: <em>p</em>-(<em>p</em>&#39;-<em>n</em>-alkoxyhcnzoyloxy)-<em>o</em>-mcthyl phenylazo-<em>p</em>&quot;-chlorohcnzcnes are synthesized to understand the effects or structural variation on mesogenic characteristics. All the members of the homologous series exhibit nematogenic character
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16

Arakawa, Yuki, Kenta Komatsu, and Hideto Tsuji. "Twist-bend nematic liquid crystals based on thioether linkage." New Journal of Chemistry 43, no. 17 (2019): 6786–93. http://dx.doi.org/10.1039/c8nj06456c.

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17

Roychoudhury, M., and D. Kumar. "Nematogenic Behaviour Study of Liquid Crystals." Materials Science Forum 223-224 (July 1996): 13–16. http://dx.doi.org/10.4028/www.scientific.net/msf.223-224.13.

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18

Baumeister, U. "Structure of a nematogenic oxathiane derivative." Acta Crystallographica Section C Crystal Structure Communications 46, no. 10 (1990): 1953–54. http://dx.doi.org/10.1107/s0108270190004425.

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19

Murthy, Dr T. V. S. Arun, and Prof Dr V. R. Murthy. "Anisotropic properties of two nematogenic compounds." Crystal Research and Technology 30, no. 2 (1995): 287–91. http://dx.doi.org/10.1002/crat.2170300228.

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20

Deptuch, Aleksandra, Bartosz Sęk, Sebastian Lalik, et al. "Structural Study of Nematogenic Compound 5OS5." Crystals 14, no. 4 (2024): 367. http://dx.doi.org/10.3390/cryst14040367.

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The S-(4-pentylphenyl) 4-(pentyloxy)benzothioate, forming the nematic phase, is investigated by X-ray diffraction in temperatures between 263 K and 365 K, with the support of differential scanning calorimetry and polarizing optical microscopy. The microscopic observations show changes within the solid state, while X-ray diffraction does not indicate any transitions between the crystal phases. The Rietveld refinement shows that the crystal phase formed from the melt is the same monoclinic crystal phase with the P21/c space group as reported for a single crystal grown from an ethanol solution. T
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21

Holovko, di Caprio, and Kravtsiv. "Maier-Saupe nematogenic fluid: field theoretical approach." Condensed Matter Physics 14, no. 3 (2011): 33605. http://dx.doi.org/10.5488/cmp.14.33605.

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22

Hol/yst, Robert, and M. Schick. "Mixtures of rigid and flexible nematogenic polymers." Journal of Chemical Physics 96, no. 1 (1992): 721–29. http://dx.doi.org/10.1063/1.462457.

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23

Gopalakrishna, D., R. Somashekar, and D. Revannasiddaiah. "Static Dielectric Studies of Two Nematogenic Compounds." Molecular Crystals and Liquid Crystals 436, no. 1 (2005): 107/[1061]—116/[1070]. http://dx.doi.org/10.1080/15421400590954588.

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24

Ballauff, M. "Swelling Equilibria of Networks in Nematogenic Solvents." Molecular Crystals and Liquid Crystals 196, no. 1 (1991): 47–55. http://dx.doi.org/10.1080/00268949108029686.

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25

Kumaraswamy, S. R., R. Somashekar, M. S. Madhava, and D. Revannasiddaiah. "Static Dielectric Studies of Some Nematogenic Compounds." Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 268, no. 1 (1995): 51–54. http://dx.doi.org/10.1080/10587259508030992.

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26

ROMANO, S. "COMPUTER SIMULATION STUDY OF A NEMATOGENIC LATTICE-GAS MODEL WITH FOURTH-RANK INTERACTIONS." International Journal of Modern Physics B 16, no. 19 (2002): 2901–15. http://dx.doi.org/10.1142/s0217979202009986.

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We have considered a classical lattice-gas model, consisting of a three-dimensional simple-cubic lattice, whose sites host three-component unit vectors; pairs of nearestneighboring sites interact via the nematogenic potential [Formula: see text] here P4(τ) denotes the fourth Legendre polynomial, nuj=0,1 are occupation numbers, uj are unit vectors (classical spins), and ∊ is a positive quantity setting the energy and temperature scales (i.e. T* =k B T / ∊). The total Hamiltonian is given by [Formula: see text] where ∑{j &lt; k} denotes sum over all distinct nearest-neighboring pairs of lattice
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27

Sharma, Vinay S., and R. B. Patel. "Study of Mesomorphism in Isomeric and Nonisomeric Linear and Nonlinear Chalconyl Series." International Letters of Chemistry, Physics and Astronomy 60 (September 2015): 182–91. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.60.182.

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A novel nonlinear chalconyl homologous series of ester: RO-C6H4-COO-C6H4 (m)-CO-CH:CH-C6H4-OC16H33(n) (para) have been synthesized and studied with a view to understand and establish the relation between thermotropic liquid Crystal (LC) properties and geometrically nonlinear shaped molecular structure. Homologous series consists of thirteen members ( C1 to C18) whose enantiotropic nematogenic mesomorphism commences from C6 homologue without exhibition of smectic property. C1 to C5 homologues are nonmesomorphic. Transition temperatures and textures of homologues were determined by an optical po
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28

Sharma, Vinay S., and R. B. Patel. "Study of Mesomorphism in Isomeric and Nonisomeric Linear and Nonlinear Chalconyl Series." International Letters of Chemistry, Physics and Astronomy 60 (September 30, 2015): 182–91. http://dx.doi.org/10.56431/p-za7ztb.

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A novel nonlinear chalconyl homologous series of ester: RO-C6H4-COO-C6H4 (m)-CO-CH:CH-C6H4-OC16H33(n) (para) have been synthesized and studied with a view to understand and establish the relation between thermotropic liquid Crystal (LC) properties and geometrically nonlinear shaped molecular structure. Homologous series consists of thirteen members ( C1 to C18) whose enantiotropic nematogenic mesomorphism commences from C6 homologue without exhibition of smectic property. C1 to C5 homologues are nonmesomorphic. Transition temperatures and textures of homologues were determined by an optical po
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29

Blümel, Th, and H. Stegemeyer. "On the Habit of Blue Phase II Liquid Single Crystals." Zeitschrift für Naturforschung A 40, no. 3 (1985): 260–62. http://dx.doi.org/10.1515/zna-1985-0308.

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The growth of Blue Phase II liquid single crystals directly from the isotropic melt has been investigated in a mixed system of cholesteryl valerate and the nematogenic compound 8OBE by means of polarizing microscopy. Besides quadratic single crystals showing strong Bragg reflection additionally crystals of regular triangular habit with no detectable selective reflection have been found caused by the growth determining crystallographic form {111}.
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30

Maheta, S. A., G. N. Bhola, and Umed C. Bhoya. "Dependence of Liquid Crystalline Behaviors on Molecular Flexibility." International Letters of Chemistry, Physics and Astronomy 47 (February 2015): 77–86. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.47.77.

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A novel homologous series of thermotropic liquid crystal (LC) has been synthesized with a view to understand and establish the effect of molecular structure on liquid crystal behaviors of a series. The present LC series consist of twelve homologues (C1 to C16); whose mesomorphic properties commence from octyloxy (C8) homologue of a series. C8, C10 and C12 members of a series are monotropic smectic and C14, C16 members are enantiotropically smectogenic. C1 to C7 homologues are nonmesomorphic. Nematogenic property is totally absent. Transition and melting temperatures are determined by an optica
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31

Solanki, Ravindra, and R. B. Patel. "Study of the Effects of Lateral Substitution (Bromo) on Mesomorphic Behaviours of Chalconyl Ester Derivatives." International Letters of Chemistry, Physics and Astronomy 64 (February 2016): 135–43. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.64.135.

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Novel homologous series: RO-C6H4-COO-C6H3-Br-CO-CH=CH-C6H4-OC18H3(n) (ortho bromo to –COO-) is synthesized and studied with a view to understand and establish the relation between mesomorphic properties and the molecular structure with reference to lateral substitution of bromine (-Br) at middle phenyl ring. Chalconyl homologous series consists of thirteen between (C1to C18) homologues. Nematogenic mesomorphism commences from C5homologue and continue up to C18homologue in enantiotropic manner. Transition and melting points were determined by an optical polarizing microscopy (POM) equipped with
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32

Solanki, Ravindra, and R. B. Patel. "Study of the Effects of Lateral Substitution (Bromo) on Mesomorphic Behaviours of Chalconyl Ester Derivatives." International Letters of Chemistry, Physics and Astronomy 64 (February 15, 2016): 135–43. http://dx.doi.org/10.56431/p-d09598.

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Novel homologous series: RO-C6H4-COO-C6H3-Br-CO-CH=CH-C6H4-OC18H3 (n) (ortho bromo to –COO-) is synthesized and studied with a view to understand and establish the relation between mesomorphic properties and the molecular structure with reference to lateral substitution of bromine (-Br) at middle phenyl ring. Chalconyl homologous series consists of thirteen between (C1 to C18) homologues. Nematogenic mesomorphism commences from C5 homologue and continue up to C18 homologue in enantiotropic manner. Transition and melting points were determined by an optical polarizing microscopy (POM) equipped
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33

Maheta, S. A., G. N. Bhola, and Umed C. Bhoya. "Dependence of Liquid Crystalline Behaviors on Molecular Flexibility." International Letters of Chemistry, Physics and Astronomy 47 (February 24, 2015): 77–86. http://dx.doi.org/10.56431/p-88a000.

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A novel homologous series of thermotropic liquid crystal (LC) has been synthesized with a view to understand and establish the effect of molecular structure on liquid crystal behaviors of a series. The present LC series consist of twelve homologues (C1 to C16); whose mesomorphic properties commence from octyloxy (C8) homologue of a series. C8, C10 and C12 members of a series are monotropic smectic and C14, C16 members are enantiotropically smectogenic. C1 to C7 homologues are nonmesomorphic. Nematogenic property is totally absent. Transition and melting temperatures are determined by an optica
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34

Knyazev, A. A., V. I. Dzhabarov, D. V. Lapaev, V. S. Lobkov, W. Haase та Yu G. Galyametdinov. "New nematogenic β-diketones for synthesis of lanthanidomesogens". Russian Journal of General Chemistry 80, № 4 (2010): 756–60. http://dx.doi.org/10.1134/s1070363210040122.

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35

Greenfield, S., D. Coates, M. Goulding, and R. Clemitson. "Nematogenic laterally fluorinated biphenyls with polar terminal groups." Liquid Crystals 18, no. 4 (1995): 665–72. http://dx.doi.org/10.1080/02678299508036672.

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36

Urayama, Kenji, Yuko Okuno, Toshio Nakao, and Shinzo Kohjiya. "Volume transition of nematic gels in nematogenic solvents." Journal of Chemical Physics 118, no. 6 (2003): 2903. http://dx.doi.org/10.1063/1.1535896.

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37

Ou Ramdane, O., P. Auroy, and P. Silberzan. "Wetting of Polymer Brushes by a Nematogenic Compound." Physical Review Letters 80, no. 23 (1998): 5141–44. http://dx.doi.org/10.1103/physrevlett.80.5141.

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38

Fuhrmann, Klaus, Andreas Martin, Georg Maret, Ulrich Tiesler, and Matthias Ballauff. "Magnetic Birefringence of a Series of Nematogenic Compounds." Journal of Physical Chemistry 98, no. 15 (1994): 4094–97. http://dx.doi.org/10.1021/j100066a031.

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39

Tiwari, S. N., N. K. Sanyal, and M. Roychoudhury. "Nematogenic Behaviour of Liquid Crystals—A Theoretical Study." Molecular Crystals and Liquid Crystals 204, no. 1 (1991): 111–21. http://dx.doi.org/10.1080/00268949108046598.

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40

Cheung, Tak W., Shimei Fan, Geoffrey R. Luckhurst, and David L. Turner. "Pretransitional behaviour of nematogenic mixtures 2H NMR investigation." Journal of the Chemical Society, Faraday Transactions 93, no. 17 (1997): 3099–105. http://dx.doi.org/10.1039/a702282d.

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41

Wang, Xin-Jiu, and Mark Warner. "The swelling of nematic elastomers by nematogenic solvents." Macromolecular Theory and Simulations 6, no. 1 (1997): 37–52. http://dx.doi.org/10.1002/mats.1997.040060104.

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42

Lee, Jae-Jin, and Suk-Won Choi. "Effect of Nematogen Doping in Bent-Core Molecular Systems with a Helical Nanofilament and Dark Conglomerate." Materials 16, no. 2 (2023): 548. http://dx.doi.org/10.3390/ma16020548.

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Two types of binary mixtures were prepared. One consisted of a calamitic nematogen and bent-core molecule with a helical nanofilament, whereas the other contained a calamitic nematogen and bent-core molecule with a dark conglomerate. The chiroptical features of these two mixtures were investigated using polarized optical microscopy and circular dichroism. In addition, X-ray diffraction analysis was performed on the two binary mixtures. The chiroptical features of the two mixtures were remarkably different. One mixture showed enhanced chiroptical features, whereas the other did not show chiropt
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43

Lobo, Nitin P., B. V. N. Phani Kumar, T. Narasimhaswamy, and Asit Baran Mandal. "13C NMR investigations and the molecular order of 4-(trans-4′-hexylcyclohexyl)-isothiocyanatobenzene (6CHBT)." Phys. Chem. Chem. Phys. 16, no. 28 (2014): 14713–21. http://dx.doi.org/10.1039/c4cp01569j.

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44

Kurbatov, A., A. Drozd-Rzoska, S. J. Rzoska, et al. "Universal Scaling of Alpha Relaxation in Complex Liquids." Zeitschrift für Naturforschung A 56, no. 12 (2001): 893–94. http://dx.doi.org/10.1515/zna-2001-1217.

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Abstract A plot is given, showing the result of a scaling analysis of dielectric loss curves containing, apart from low molecular glass former data (glycerol, dibutyl phtalate), also loss curves of the following liquid crystalline materials, mostly in the iso­ tropic phase: 4-(2-methylbutyl)-4'cyanobiphenyl (5*CB, supercooled isotropic phase), 4-cyano-4-n-alkyl biphenyls (nematogens 5CB and 8CB, isotropic phase), 4-(4-cyano-4-butylcyclohexyl)-4'-octylbiphenyl (laterally substituted nema-togen, isotropic phase), and 4-n-alkyl-4'-isothiocyanatobiphe-nyl (5 and 10 BT, isotropic and SmE phases). T
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Lobo, Nitin P., Bibhuti B. Das, T. Narasimhaswamy, and K. V. Ramanathan. "Molecular topology of three ring nematogens from 13C–1H dipolar couplings." RSC Adv. 4, no. 63 (2014): 33383–90. http://dx.doi.org/10.1039/c4ra03963g.

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46

Sharma, Vinay S., B. B. Jain, and R. B. Patel. "Study of the Effects of Decreasing Molecular Rigidity on Mesomorphism." International Letters of Chemistry, Physics and Astronomy 64 (February 2016): 69–76. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.64.69.

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A Chalconyl homologous series: RO-C6H4-CH=CH-CO-C6H4-OC14H29(n) (meta) is synthesized and studied with a view to understand and establish the effect of molecular structure on Liquid crystal behaviour by reducing molecular rigidity through diminishing of a phenyl ring and a central carboxy or vinyl carboxy group from a molecule. Novel series consists of thirteen homologues (C1to C18). First member (C1) homologue is nonliquid crystal and the rest of the homologues (C2to C18) are enantiotropically ( C2to C5) nematogenic or monotropically (C6to C18) nematogenic plus smectogenic of low mesophaselen
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Zhang, J., and K. D. Singer. "Homogeneous photorefractive polymer/nematogen composite." Applied Physics Letters 72, no. 23 (1998): 2948–50. http://dx.doi.org/10.1063/1.121503.

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48

Kędziora, P., J. Jadżyn, and L. Hellemans. "Nonlinear Dielectric Relaxation in Solutions of 6CHBT in Nonpolar Medium." Zeitschrift für Naturforschung A 54, no. 10-11 (1999): 585–89. http://dx.doi.org/10.1515/zna-1999-10-1105.

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The frequency dependence of the nonlinear dielectric increment was studied for benzene solutions of the nematogenic molecule 4-(trans-4'-n-hexylcyclohexyl)isothiocyanatobenzene (C6H13CyHx-Ph-N = C = S, 6CHBT) at 25°C. The increment was induced by a quasi-static electric field of high strength (107 V/m), and its relaxation was detected by an alternating field of low strength (102 V/m) in the fre-quency range 1 MHz-3 GHz. The results are discussed in the framework of Coffey's theory.
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Tripathi, Pankaj Kumar, Rajiv Manohar, and Shri Singh. "Dielectric Relaxation Spectroscopy of Liquid Crystal in Nematogenic Mesophase." Molecular Crystals and Liquid Crystals 626, no. 1 (2016): 160–68. http://dx.doi.org/10.1080/15421406.2015.1106297.

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Shivaprakash, N. C., M. M. M. Abdoh, and J. Shashidhara Prasad. "Crystal structure of nematogenic 4,4′-bis(pentyloxy) azoxy benzene." Zeitschrift für Kristallographie 172, no. 1-2 (1985): 79–87. http://dx.doi.org/10.1524/zkri.1985.172.1-2.79.

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