Schwann cells and mesenchymal stem cells in laminin- or fibronectin-aligned matrices and regeneration across a critical size defect of 15 mm in the rat sciatic nerve

OBJECTIVE Artificial nerve guides are being developed to substitute for autograft repair after peripheral nerve injuries. However, the use of conduits is limited by the length of the gap that needs to be bridged, with the success of regeneration highly compromised in long gaps. Addition of aligned proregenerative cells and extracellular matrix (ECM) components inside the conduit can be a good strategy to achieve artificial grafts that recreate the natural environment offered by a nerve graft. The purpose of this study was to functionalize chitosan devices with different cell types to support regeneration in limiting gaps in the rat peripheral nerve. METHODS The authors used chitosan devices combined with proteins of the ECM and cells in a rat model of sciatic nerve injury. Combinations of fibronectin and laminin with mesenchymal stem cells (MSCs) or Schwann cells (SCs) were aligned within tethered collagen-based gels, which were placed inside chitosan tubes that were then used to repair a critical-size gap of 15 mm in the rat sciatic nerve. Electrophysiology and algesimetry tests were performed to analyze functional recovery during the 4 months after injury and repair. Histological analysis was performed at the midlevel and distal level of the tubes to assess the number of regenerated myelinated fibers. RESULTS Functional analysis demonstrated that SC-aligned scaffolds resulted in 100% regeneration success in a 15-mm nerve defect in this rat model. In contrast, animals that underwent repair with MSC-aligned constructs had only 90% regeneration success, and those implanted with acellular bridges had only 75% regeneration success. CONCLUSIONS These results indicate that the combination of chitosan conduits with ECM-enriched cellular gels represents a good alternative to the use of autografts for repairing long nerve gaps

A Semantic-Based Approach to Attain Reproducibility of Computational Environments in Scientic Work ows: A Case Study

Reproducible research in scientic work ows is often addressed by tracking the provenance of the produced results. While this approach allows inspecting intermediate and nal results, improves understanding, and permits replaying a work ow execution, it does not ensure that the computational environment is available for subsequent executions to reproduce the experiment. In this work, we propose describing the resources involved in the execution of an experiment using a set of semantic vocabularies, so as to conserve the computational environment. We dene a process for documenting the work ow application, management system, and their dependencies based on 4 domain ontologies. We then conduct an experimental evaluation sing a real work ow application on an academic and a public Cloud platform. Results show that our approach can reproduce an equivalent execution environment of a predened virtual machine image on both computing platforms

Mezclas poliméricas cristal líquido/olefinas: morfología y propiedades de transporte

Se han preparado mezclas con diferentes composiciones a partir de un copolímero de etileno-1-octeno, sintetizado con un catalizador de tipo metaloceno y un polímero cristal líquido. La caracterizción estructural y morfológica de las películas obtenidas se realizó mediante difracción de rayos X, calorimetría diferencial de barrido y microscopía electrónica de barrido, mientras que el estudio de las propiedades físicas se ha llevado a cabo mediante análisis mecanodinámico, microdureza y ensayos esfuerzo-deformación, poniendo especial énfasis a la evaluación de sus propiedades de transporte de oxígeno

Population Response of Three Quail Species to Habitat Restoration in South Texas

Maintaining and increasing usable space is paramount for maintaining and increasing wild quail. Aside from weather and other factors that can temporarily reduce densities, range-wide, no factor has as much influence on quail populations as the amount of habitat present across the landscape. In the field of quail management, ‘‘bad news’’ is the norm, as many articles begin by explaining how a select species has declined. Here we provide good news and use 4 empirical examples of population increases for 3 quail species following creation of usable space and restoration of patch connectivity. From 2008–2014, a suite of independent projects aimed at increasing usable space for quail was initiated across South Texas. These projects included 3 focused on northern bobwhites (Colinus virginianus), 1 focused on scaled quail (Callipepla squamata), and 1 landowner-executed project focused on Montezuma quail (Cyrtonyx montezumae). Through the correction of attributes limiting habitat, bobwhite numbers increased 22–378% across 2 studies. On one particular study site, native grassland restoration resulted in the colonization of bobwhites from adjacent areas to 1 bobwhite/1.2 ha from nearly 0. For scaled quail in South Texas, reducing buffelgrass standing crop via grazing from about 2,240 kg/ha to 1,008 kg/ha resulted in the recolonization of a previously unoccupied habitat patch to a density of 1 scaled quail/6 ha. Finally, clearing monotypic stands of the invasive native plant, ash juniper (Juniperus ashei) in the Edwards Plateau of Texas, resulted in the reestablishment of native grasses and forbs and thus recolonization by Montezuma quail from nearby areas. Although habitat restoration and management can be a painstaking and lengthy process, addressing limiting factors to quail occupancy is the only known way to increase wild quail populations. We hope that highlighting these particular studies will provide inspiration to those interested in restoring and increasing quail across the US

G'3 as the logic of modal 3-valued Heyting algebras

In 2001, W. Carnielli and Marcos considered a 3-valued logic in order to prove that the schema ϕ ∨ (ϕ → ψ) is not a theorem of da Costa’s logic Cω. In 2006, this logic was studied (and baptized) as G'3 by Osorio et al. as a tool to define semantics of logic programming. It is known that the truth-tables of G'3 have the same expressive power than the one of Łukasiewicz 3-valued logic as well as the one of Gödel 3-valued logic G3. From this, the three logics coincide up-to language, taking into acccount that 1 is the only designated truth-value in these logics. From the algebraic point of view, Canals-Frau and Figallo have studied the 3-valued modal implicative semilattices, where the modal operator is the well-known Moisil-Monteiro-Baaz Δ operator, and the supremum is definable from this. We prove that the subvariety obtained from this by adding a bottom element 0 is term-equivalent to the variety generated by the 3-valued algebra of G'3. The algebras of that variety are called G'3-algebras. From this result, we obtain the equations which axiomatize the variety of G'3-algebras. Moreover, we prove that this variety is semisimple, and the 3-element and the 2-element chains are the unique simple algebras of the variety. Finally an extension of G'3 to first-order languages is presented, with an algebraic semantics based on complete G'3-algebras. The corresponding soundness and completeness theorems are obtained

D4.6 Report on the results of cycle 3 demonstrators:Aggregates internal deliverables ID4.12, ID4.13, ID4.14, ID4.15, ID4.16

Hernández-Leo, D., Sligte, H., Glahn, C., Krekels, B., Keuls, C., Louys, A., Stefanov, K., Perez, M., Chacón, J., Santos, P., Mazzetti, A., Herder, E., Maxwell, K., Kiercheben, J., Griffiths, D., & Kluijfhout, E. (2009). D4.6 - Report on the results of cycle 3 demonstrators. Aggregates internal deliverables ID4.12, ID4.13, ID4.14, ID4.15, ID4.16. TENCompetence.This document includes the evaluation results of the Cycle 3 real-life evaluation activities. A cross-analysis of the results is compiled in order to present the impact indicators of the project in terms of outreach, learning benefits, organizational implications, and business opportunities identified in these experiences. The implementations and eight business/market-relevant demonstrators conducted in collaboration with external "adopter organizations" from different countries in Europe. These external organizations are Associated Partners or different units within the partners'organization. The revised pilots and the demonstrators test the tooling achieved along DIP-3. Both pilots and business demonstrators show to provide benefits to socially- and industrially-relevant scenarios. Areas of proven special impact include adult competence developmentfor social inclusion, provision of learning paths to support competence development of distributed professionals, informal competence development, human resources personal competence development, and sharing of competence profiles between organizations to support the mobility of their professionals.The work on this publication has been sponsored by the TENCompetence Integrated Project that is funded by the European Commission's 6th Framework Programme, priority IST/Technology Enhanced Learning. Contract 027087 [http://www.tencompetence.org

Identification of the first structurally validated covalent ligands of the small GTPase RAB27A

Rab27A is a small GTPase, which mediates transport and docking of secretory vesicles at the plasma membrane via protein–protein interactions (PPIs) with effector proteins. Rab27A promotes the growth and invasion of multiple cancer types such as breast, lung and pancreatic, by enhancing secretion of chemokines, metalloproteases and exosomes. The significant role of Rab27A in multiple cancer types and the minor role in adults suggest that Rab27A may be a suitable target to disrupt cancer metastasis. Similar to many GTPases, the flat topology of the Rab27A-effector PPI interface and the high affinity for GTP make it a challenging target for inhibition by small molecules. Reported co-crystal structures show that several effectors of Rab27A interact with the Rab27A SF4 pocket (‘WF-binding pocket’) via a conserved tryptophan–phenylalanine (WF) dipeptide motif. To obtain structural insight into the ligandability of this pocket, a novel construct was designed fusing Rab27A to part of an effector protein (fRab27A), allowing crystallisation of Rab27A in high throughput. The paradigm of KRas covalent inhibitor development highlights the challenge presented by GTPase proteins as targets. However, taking advantage of two cysteine residues, C123 and C188, that flank the WF pocket and are unique to Rab27A and Rab27B among the >60 Rab family proteins, we used the quantitative Irreversible Tethering (qIT) assay to identify the first covalent ligands for native Rab27A. The binding modes of two hits were elucidated by co-crystallisation with fRab27A, exemplifying a platform for identifying suitable lead fragments for future development of competitive inhibitors of the Rab27A-effector interaction interface, corroborating the use of covalent libraries to tackle challenging targets

Vibrational properties of CdGa2S4 at high pressure

[EN] Raman scattering measurements have been performed in cadmium digallium sulphide (CdGa2S4) with defect chalcopyrite structure up to 25 GPa in order to study its pressure-induced phase transitions. These measurements have been complemented and compared with latticedynamics ab initio calculations including the TO-LO splitting at high pressures in order to provide a better assignment of experimental Raman modes. In addition, experimental and theoretical Gruneisen parameters have been reported in order to calculate the molar heat capacity and thermal expansion coefficient of CdGa2S4. Our measurements provide evidence that CdGa2S4 undergoes an irreversible phase transition above 15 GPa to a Raman-inactive phase, likely with a disordered rock salt structure. Moreover, the Raman spectrum observed on downstroke from 25 GPa to 2 GPa has been attributed to a new phase, tentatively identified as a disordered zinc blende structure, that undergoes a reversible phase transition to the Raman-inactive phase above 10 GPa. Published under license by AIP Publishing.The authors thank the financial support of the Spanish Ministerio de Economia y Competitividad (MINECO) under Grant Nos. MAT2016-75586-C4-2/3-P and MAT2015-71070-REDC (MALTA Consolider) and the Generalitat Valenciana under Project No. PROMETEO/2018/123-EFIMAT. E. P.-G., A. M., and P. R.-H. acknowledge computing time provided by Red Espanola de Supercomputacion (RES) and MALTA-Cluster.Gallego-Parra, S.; Gomis, O.; Vilaplana Cerda, RI.; Ortiz, H.; Perez-Gonzalez, E.; Luna Molina, R.; Rodríguez-Hernández, P.... (2019). Vibrational properties of CdGa2S4 at high pressure. Journal of Applied Physics. 125(11):1-12. https://doi.org/10.1063/1.5080503S11212511Gomis, O., Santamaría-Pérez, D., Vilaplana, R., Luna, R., Sans, J. A., Manjón, F. J., … Ursaki, V. V. (2014). Structural and elastic properties of defect chalcopyrite HgGa2S4 under high pressure. Journal of Alloys and Compounds, 583, 70-78. doi:10.1016/j.jallcom.2013.08.123Cohen, M. L. (1985). Calculation of bulk moduli of diamond and zinc-blende solids. Physical Review B, 32(12), 7988-7991. doi:10.1103/physrevb.32.7988Kim, J. W., & Kim, Y. J. (2007). Optical Properties of Eu Doped M-Ga2S4 (M:Zn, Ca, Sr) Phosphors for White Light Emitting Diodes. Journal of Nanoscience and Nanotechnology, 7(11), 4065-4068. doi:10.1166/jnn.2007.066Yu, R., Noh, H. M., Moon, B. K., Choi, B. C., Jeong, J. H., Jang, K., … Jang, J. K. (2013). Photoluminescence properties of a new red-emitting Mn-activated ZnGa2S4 phosphor. Materials Research Bulletin, 48(6), 2154-2158. doi:10.1016/j.materresbull.2013.02.017Liang, F., Kang, L., Lin, Z., Wu, Y., & Chen, C. (2017). Analysis and prediction of mid-IR nonlinear optical metal sulfides with diamond-like structures. Coordination Chemistry Reviews, 333, 57-70. doi:10.1016/j.ccr.2016.11.012Sahariya, J., Kumar, P., & Soni, A. (2017). Structural and optical investigations of ZnGa2X4 (X = S, Se) compounds for solar photovoltaic applications. Materials Chemistry and Physics, 199, 257-264. doi:10.1016/j.matchemphys.2017.07.003Syrbu, N. N., Tiron, A. V., Parvan, V. I., Zalamai, V. V., & Tiginyanu, I. M. (2015). Interference of birefractive waves in CdGa2S4 crystals. Physica B: Condensed Matter, 463, 88-92. doi:10.1016/j.physb.2015.02.007Vilaplana, R., Gomis, O., Manjón, F. J., Ortiz, H. M., Pérez-González, E., López-Solano, J., … Tiginyanu, I. M. (2013). Lattice Dynamics Study of HgGa2Se4at High Pressures. The Journal of Physical Chemistry C, 117(30), 15773-15781. doi:10.1021/jp402493rGrzechnik, A., Ursaki, V. V., Syassen, K., Loa, I., Tiginyanu, I. M., & Hanfland, M. (2001). Pressure-Induced Phase Transitions in Cadmium Thiogallate CdGa2Se4. Journal of Solid State Chemistry, 160(1), 205-211. doi:10.1006/jssc.2001.9224Gomis, O., Vilaplana, R., Manjón, F. J., Ruiz-Fuertes, J., Pérez-González, E., López-Solano, J., … Tiginyanu, I. M. (2015). HgGa2 Se4 under high pressure: An optical absorption study. physica status solidi (b), 252(9), 2043-2051. doi:10.1002/pssb.201451714Rahnamaye Aliabad, H. A., Basirat, S., & Ahmad, I. (2017). Structural, electronical and thermoelectric properties of CdGa2S4 compound under high pressures by mBJ approach. Journal of Materials Science: Materials in Electronics, 28(21), 16476-16483. doi:10.1007/s10854-017-7559-1Ursaki, V. V., Burlakov, I. I., Tiginyanu, I. M., Raptis, Y. S., Anastassakis, E., & Anedda, A. (1999). Phase transitions in defect chalcopyrite compounds under hydrostatic pressure. Physical Review B, 59(1), 257-268. doi:10.1103/physrevb.59.257Klotz, S., Chervin, J.-C., Munsch, P., & Le Marchand, G. (2009). Hydrostatic limits of 11 pressure transmitting media. Journal of Physics D: Applied Physics, 42(7), 075413. doi:10.1088/0022-3727/42/7/075413Blöchl, P. E. (1994). Projector augmented-wave method. Physical Review B, 50(24), 17953-17979. doi:10.1103/physrevb.50.17953Kresse, G., & Furthmüller, J. (1996). Efficient iterative schemes forab initiototal-energy calculations using a plane-wave basis set. Physical Review B, 54(16), 11169-11186. doi:10.1103/physrevb.54.11169Baroni, S., de Gironcoli, S., Dal Corso, A., & Giannozzi, P. (2001). Phonons and related crystal properties from density-functional perturbation theory. Reviews of Modern Physics, 73(2), 515-562. doi:10.1103/revmodphys.73.515Perdew, J. P., Ruzsinszky, A., Csonka, G. I., Vydrov, O. A., Scuseria, G. E., Constantin, L. A., … Burke, K. (2008). Restoring the Density-Gradient Expansion for Exchange in Solids and Surfaces. Physical Review Letters, 100(13). doi:10.1103/physrevlett.100.136406Sans, J. Á., Santamaría-Pérez, D., Popescu, C., Gomis, O., Manjón, F. J., Vilaplana, R., … Tiginyanu, I. M. (2014). Structural and Vibrational Properties of CdAl2S4under High Pressure: Experimental and Theoretical Approach. The Journal of Physical Chemistry C, 118(28), 15363-15374. doi:10.1021/jp5037926Lottici, P. P., & Razzetti, C. (1984). Raman scattering in mixed defect chalcopyrite crystals. Journal of Molecular Structure, 115, 133-136. doi:10.1016/0022-2860(84)80032-0Kerimova, T. G., Abdullaev, N. A., Mamedova, I. A., Badalova, Z. I., Guliev, R. A., Paucar, R., … Mamedov, N. T. (2013). Optical phonons in CdGa2S4x Se4(1 − x) alloys. Semiconductors, 47(6), 761-766. doi:10.1134/s1063782613060110Tiginyanu, I. M., Lottici, P. P., Razzetti, C., & Gennari, S. (1993). Effects of the Cations on the Raman Spectra of Sulphur Defect Chalcopyrites. Japanese Journal of Applied Physics, 32(S3), 561. doi:10.7567/jjaps.32s3.561Kerimova, T. G., Mamedova, I. A., Abdullayev, N. A., Asadullayeva, S. Q., & Badalova, Z. I. (2014). Raman scattering in ZnGa2Se4 single crystals. Semiconductors, 48(7), 868-871. doi:10.1134/s1063782614070112Razzetti, C., & Lottici, P. P. (1993). Raman Scattering in Defective AIIB2IIIX4VICompounds and Alloys. Japanese Journal of Applied Physics, 32(S3), 431. doi:10.7567/jjaps.32s3.431Syrbu, N. N., Nemerenco, L. L., & Cojocaru, O. (2002). Vibrational and Polariton Spectra of CdGa2S4 and CdAl2S4 Crystals. Crystal Research and Technology, 37(1), 101-110. doi:10.1002/1521-4079(200202)37:13.0.co;2-dGomis, O., Vilaplana, R., Manjón, F. J., Santamaría-Pérez, D., Errandonea, D., Pérez-González, E., … Ursaki, V. V. (2013). High-pressure study of the structural and elastic properties of defect-chalcopyrite HgGa2Se4. Journal of Applied Physics, 113(7), 073510. doi:10.1063/1.4792495Gomis, O., Ortiz, H. M., Sans, J. A., Manjón, F. J., Santamaría-Pérez, D., Rodríguez-Hernández, P., & Muñoz, A. (2016). InBO3 and ScBO3 at high pressures: An ab initio study of elastic and thermodynamic properties. Journal of Physics and Chemistry of Solids, 98, 198-208. doi:10.1016/j.jpcs.2016.07.002K. R. Allakhverdiev, Frontiers of High Pressure Research II: Application of High Pressure to Low-Dimensional Novel Electronic Materials (Springer, 2001), p. 99.Lottici, P. P., & Razzetti, C. (1983). A comparison of the raman spectra of ZnGa2Se4 and other gallium defect chalcopyrites. Solid State Communications, 46(9), 681-684. doi:10.1016/0038-1098(83)90506-9Sanjuán, M. L., & Morón, M. C. (2002). Raman study of Zn1−xMnxGa2Se4 diluted magnetic semiconductors: disorder and resonance effects. Physica B: Condensed Matter, 316-317, 565-567. doi:10.1016/s0921-4526(02)00574-4Radautsan, S. I., Tiginyanu, I. M., Ursakii, V. V., Fomin, V. M., & Pokatilov, E. P. (1990). The Peculiarities of the Temperature Broadening of Raman Light Scattering Lines in Zn(Cd)Ga2Se4 Single Crystals. physica status solidi (b), 162(1), K63-K66. doi:10.1002/pssb.2221620143Bernard, J. E., & Zunger, A. (1988). Ordered-vacancy-compound semiconductors: PseudocubicCdIn2Se4. Physical Review B, 37(12), 6835-6856. doi:10.1103/physrevb.37.6835Manjón, F. J., Gomis, O., Vilaplana, R., Sans, J. A., & Ortiz, H. M. (2013). Order-disorder processes in adamantine ternary ordered-vacancy compounds. physica status solidi (b), 250(8), 1496-1504. doi:10.1002/pssb.201248596Mitani, T., Naitou, T., Matsuishi, K., Onari, S., Allakhverdiev, K., Gashimzade, F., & Kerimova, T. (2003). Raman scattering in CdGa2Se4 under pressure. physica status solidi (b), 235(2), 321-325. doi:10.1002/pssb.200301579Meenakshi, S., Vijyakumar, V., Godwal, B. K., Eifler, A., Orgzall, I., Tkachev, S., & Hochheimer, H. D. (2006). High pressure X-ray diffraction study of CdAl2Se4 and Raman study of AAl2Se4 (A=Hg, Zn) and CdAl2X4 (X=Se, S). Journal of Physics and Chemistry of Solids, 67(8), 1660-1667. doi:10.1016/j.jpcs.2006.02.015Manjón, F. J., Marí, B., Serrano, J., & Romero, A. H. (2005). Silent Raman modes in zinc oxide and related nitrides. Journal of Applied Physics, 97(5), 053516. doi:10.1063/1.1856222H. Bilz and W. Kress, Phonon Dispersion Relations in Insulators (Springer, 1979), p. 110.Cheng, Y. C., Jin, C. Q., Gao, F., Wu, X. L., Zhong, W., Li, S. H., & Chu, P. K. (2009). Raman scattering study of zinc blende and wurtzite ZnS. Journal of Applied Physics, 106(12), 123505. doi:10.1063/1.3270401(2017). Theoretical Analysis of Elastic, Mechanical and Phonon Properties of Wurtzite Zinc Sulfide under Pressure. Crystals, 7(6), 161. doi:10.3390/cryst7060161González, J., Fernández, B. J., Besson, J. M., Gauthier, M., & Polian, A. (1992). High-pressure behavior of Raman modes inCuGaS2. Physical Review B, 46(23), 15092-15101. doi:10.1103/physrevb.46.15092Talwar, D. N., Vandevyver, M., Kunc, K., & Zigone, M. (1981). Lattice dynamics of zinc chalcogenides under compression: Phonon dispersion, mode Grüneisen, and thermal expansion. Physical Review B, 24(2), 741-753. doi:10.1103/physrevb.24.741Griesinger, A., Spindler, K., & Hahne, E. (1999). Measurements and theoretical modelling of the effective thermal conductivity of zeolites. International Journal of Heat and Mass Transfer, 42(23), 4363-4374. doi:10.1016/s0017-9310(99)00096-4Hofmeister, A. M., & Mao, H. -k. (2002). Redefinition of the mode Gruneisen parameter for polyatomic substances and thermodynamic implications. Proceedings of the National Academy of Sciences, 99(2), 559-564. doi:10.1073/pnas.241631698Miller, S. A., Gorai, P., Ortiz, B. R., Goyal, A., Gao, D., Barnett, S. A., … Toberer, E. S. (2017). Capturing Anharmonicity in a Lattice Thermal Conductivity Model for High-Throughput Predictions. Chemistry of Materials, 29(6), 2494-2501. doi:10.1021/acs.chemmater.6b04179Zeier, W. G., Zevalkink, A., Gibbs, Z. M., Hautier, G., Kanatzidis, M. G., & Snyder, G. J. (2016). Thinking Like a Chemist: Intuition in Thermoelectric Materials. Angewandte Chemie International Edition, 55(24), 6826-6841. doi:10.1002/anie.201508381Barron, T. H. . (1957). Grüneisen parameters for the equation of state of solids. Annals of Physics, 1(1), 77-90. doi:10.1016/0003-4916(57)90006-4Arora, A. K. (1990). Grüneisen parameter of soft phonons and high pressure phase transitions in semiconductors. Journal of Physics and Chemistry of Solids, 51(4), 373-375. doi:10.1016/0022-3697(90)90122-vGrüneisen, E. (1912). Theorie des festen Zustandes einatomiger Elemente. Annalen der Physik, 344(12), 257-306. doi:10.1002/andp.19123441202Mishra, K. K., Bevara, S., Ravindran, T. R., Patwe, S. J., Gupta, M. K., Mittal, R., … Tyagi, A. K. (2018). High pressure behavior of complex phosphate K2Ce[PO4]2: Grüneisen parameter and anharmonicity properties. Journal of Solid State Chemistry, 258, 845-853. doi:10.1016/j.jssc.2017.12.022Manjon, F. J., Tiginyanu, I., & Ursaki, V. (Eds.). (2014). Pressure-Induced Phase Transitions in AB2X4 Chalcogenide Compounds. Springer Series in Materials Science. doi:10.1007/978-3-642-40367-5Allakhverdiev, K., Gashimzade, F., Kerimova, T., Mitani, T., Naitou, T., Matsuishi, K., & Onari, S. (2003). Raman scattering under pressure in ZnGa2Se4. Journal of Physics and Chemistry of Solids, 64(9-10), 1597-1601. doi:10.1016/s0022-3697(03)00077-5Parlak, C., & Eryiğit, R. (2006). Ab initiovolume-dependent elastic and lattice dynamical properties of chalcopyriteCuGaSe2. Physical Review B, 73(24). doi:10.1103/physrevb.73.245217Kern, G., Kresse, G., & Hafner, J. (1999). Ab initiocalculation of the lattice dynamics and phase diagram of boron nitride. Physical Review B, 59(13), 8551-8559. doi:10.1103/physrevb.59.8551B. A. Weinstein and R. Zallen, Light Scattering in Solids IV (Springer, 1984), p. 463.Schwer, H., & Krämer, V. (1990). The crystal structures of CdAl2S4, HgAl2S4, and HgGa2S4. Zeitschrift für Kristallographie, 190(1-2), 103-110. doi:10.1524/zkri.1990.190.1-2.103Mamedov, K. K., Aliev, M. M., Kerimov, I. G., & Kh. Nani, R. (1972). Heat capacity of AIIB2IIIC4VI-type ternary semiconducting compounds at low temperatures. Physica Status Solidi (a), 9(2), K149-K152. doi:10.1002/pssa.2210090255Quintero, M., Morocoima, M., Guerrero, E., & Ruiz, J. (1994). Temperature variation of lattice parameters and thermal expansion coefficients of the compound MnGa2Se4. Physica Status Solidi (a), 146(2), 587-593. doi:10.1002/pssa.2211460203Ravindran, T. R., Arora, A. K., & Mary, T. A. (2000). High Pressure Behavior ofZrW2O8: Grüneisen Parameter and Thermal Properties. Physical Review Letters, 84(17), 3879-3882. doi:10.1103/physrevlett.84.3879Morocoima, M., Quintero, M., Guerrero, E., Tovar, R., & Conflant, P. (1997). Temperature variation of lattice parameters and thermal expansion coefficients of the compound ZnGa2Se4. Journal of Physics and Chemistry of Solids, 58(3), 503-507. doi:10.1016/s0022-3697(96)00048-