The influence of the conduction band of BaCl2 on the thermal quenching of the Tm2+ 4f125d1→4f13 and 4f13→4f13 luminescence in orthorhombic BaCl2:Tm2+/3+ by M.P. Plokker, H.T. Hintzen

“…The positioning of the Tm2+ 4f125d1 and 4f13 energy levels as relative to the conduction band of the orthorhombic BaCl2 host lattice has been determined. …”
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Crystal structure of 2-amino-4-(2-fluoro-4-(trifluoromethyl)phenyl)-9-methoxy-1,4,5,6-tetrahydrobenzo[h]quinazolin-3-ium chloride, C20H18ClF4N3O by Li Wen-Xuan, Meng Qing-Guo, Hou Gui-Ge, Liu Yong-Jun, Zhang Meng

“…C20H18ClF4N3O, monoclinic, P21/c (no. 14), a = 9.6123(7) Å, b = 11.8692(7) Å, c = 16.9510(12) Å, β = 104.798(7)∘, V = 1869.8(2) Å3, Z = 4, Rgt(F) = 0.0444, wRref(F2) = 0.1043, T = 293 K.…”
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The crystal structure of catena-poly[bis(6-phenylpyridine-2-carboxylato-κ2 N,O)-(μ2-4,4′-bipyridne-κ2 N:N)cadmium(II)], C34H24N4O4Cd by Ping Liu, Li-Hua Wang, Xi-Shi Tai

“…C34H24N4O4 ${\mathrm{C}}_{34}{\mathrm{H}}_{24}{\mathrm{N}}_{4}{\mathrm{O}}_{4}$ Cd, monoclinic, C2/c (no. 15), a = 17.5723(7) Å, b = 11.3574(4) Å, c = 15.8345(7) Å, β = 112.345(5)° $112.345(5){}^{\circ}$ , V = 2922.9(2) Å3 ${\mathrm{\mathring{\text{A}}}}^{3}$ , Z = 4, Rgt ${R}_{gt}$ (F) = 0.0265, wRref $w{R}_{ref}$ (F2 ${F}^{2}$ ) = 0.0613, T = 200 K.…”
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The crystal structure of [N-{[2-(oxy)-4-methoxyphenyl](phenyl)methylidene}alaninato]-diphenyl-silicon(IV) – chloroform (1/1), C29H25NO4Si·CHCl3 by Böhme Uwe, Fels Sabine

“…C29H25NO4Si·CHCl3, monoclinic, P21/c (no. 14), a = 17.1316(8) Å, b = 10.1173(3) Å, c = 18.2252(8) Å, β = 117.195(3)° $117.195(3){}^{\circ}$ , V = 2809.7(2) Å3, Z = 4, R gt(F) = 0.0431, wR ref(F 2) = 0.1050, T = 153 K.…”
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Motion Control of a 4WS4WD Path-Following Vehicle: Dynamics-Based Steering and Driving Models by Zhonghua Zhang, Caijin Yang, Weihua Zhang, Yanhai Xu, Yiqiang Peng, Maoru Chi

“…This paper deals with a four-wheel-steering four-wheel-driving (4WS4WD) vehicle under the path-following control. …”
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Analytic two-loop four-point form factor of the stress-tensor supermultiplet in N $$ \mathcal{N} $$ = 4 SYM by Yuanhong Guo, Lei Wang, Gang Yang, Yixiong Yin

“…Abstract We compute the two-loop four-point MHV form factor of the stress-tensor supermultiplet in planar N $$ \mathcal{N} $$ = 4 super Yang-Mills (SYM). …”
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Circulating Tissue Inhibitor of Matrix Metalloproteinase-4 (TIMP-4) in Systemic Sclerosis Patients with Elevated Pulmonary Arterial Pressure by Gialafos J. Elias, Moyssakis Ioannis, Psaltopoulou Theodora, Papadopoulos P. Dimitrios, Perea Despoina, Vlasis Kostantinos, Kostopoulos Charalampos, Votteas Vassilios, Sfikakis P. Petros

“…TIMP-4, but not MMP-9, levels were significantly raised in patients with SSc than controls. …”
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Membrane Proteins Involved in Epithelial-Mesenchymal Transition and Tumor Invasion: Studies on TMPRSS4 and TM4SF5 by Semi Kim, Jung Weon Lee

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Yoḥannǝs IV and the Patriarchate of Alexandria: Obtaining Four Coptic Bishops while Ceding Nothing on Jerusalem Issue (1876–1882) by Stéphane Ancel

“… This article connects two events that occurred in 1881: the arrival of four Coptic bishops in Ethiopia and the attempt by the Copts to remodel the Dayr al-Sulṭān monastery in Jerusalem. …”
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Cyclin-dependent kinase 4 and 6 inhibitors (CDK4/6i): Mechanisms of resistance and where to find them by L. Foffano, L. Cucciniello, E. Nicolò, I. Migliaccio, C. Noto, C. Reduzzi, L. Malorni, M. Cristofanilli, L. Gerratana, F. Puglisi

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Exploring the Connectivity Between Education 4.0 and Classroom 4.0: Technologies, Student Perspectives, and Engagement in the Digital Era by Kapil Joshi, Rajesh Kumar, Salil Bharany, Dilip Kumar Jang Bahadur Saini, Rajiv Kumar, Ashraf Osman Ibrahim, Abdelzahir Abdelmaboud, Wamda Nagmeldin, Mohammad Awad Medani

Subjects: “…Classroom 40 (CLSR4)…”
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CXCR4 promotes tumor stemness maintenance and CDK4/6 inhibitors resistance in ER-positive breast cancer by Qiangfeng Shi, Wang Yang, Yiye Ouyang, Yujie Liu, Zijie Cai

“…Abstract Background CDK4/6 inhibitors have significantly improved the survival of patients with HR-positive/HER2-negative breast cancer, becoming a first-line treatment option. …”
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Investigating the Effect of Deactivation Rate Constant of Polymer-Based Silver Catalyst on the Reduction of Pollutant 4-Nitrophenol to 4-Aminophenol by Navid Ahadi-Jomairan, Ali Nematollahzadeh, Behruz Mirzayi

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First Molecular and Phylogenetic Characterization of Equine Herpesvirus-1 (EHV-1) and Equine Herpesvirus-4 (EHV-4) in Morocco by Zineb El Brini, Ann Cullinane, Marie Garvey, Ouafaa Fassi Fihri, Siham Fellahi, Farid Amraoui, Chafiqa Loutfi, Ghizlane Sebbar, Romain Paillot, Mohammed Piro

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Novel Gallium(III), Germanium(IV), and Hafnium(IV) Folate Complexes and Their Spectroscopic, Thermal Decomposition, Morphological, and Biological Characteristics by Abeer A. El-Habeeb

“…In this study, we describe novel gallium(III), germanium(IV), and hafnium(IV) folate complexes, including their synthesis and analyses. …”
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Crystal structure of 4-bromo-3-nitro-1H-pyrazole-5-carboxylic acid monohydrate, C4H2N3BrO4·H2O by Radović Ana, Giester Gerald, Tomić Zoran D., Kočović David, Jaćimović Željko K.

“…C4H2N3BrO4·H2O, monoclinic, P21/c (no. 14), a = 7.177(2) Å, b = 10.999(3) Å, c = 10.414(3) Å, β = 100.145(11)∘$100.145{(11)}^{\circ }$, V = 809.3(4) Å3, Z = 4, Rgt${R}_{\mathrm{g}\mathrm{t}}$(F) = 0.0379, wRref$w{R}_{\mathrm{r}\mathrm{e}\mathrm{f}}$(F2) = 0.0714, T = 200 K…”
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Structural, CSD, Molecular Docking, Molecular Dynamics, and Hirshfeld Surface Analysis of a New Mesogen, Methyl-4-(5-(4-(octyloxy)phenyl)-1,2,4-oxadiazol-3-yl)benzoate by Pooja Mohandas, Abdul Ajees Abdul Salam, Thripthi Nagesh Shenoy, Srinivasulu Maddasani, Santanu Kumar Pal, Channabasaveshwar V. Yelamaggad

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The crystal structure of methyl 4-(4-(methylsulfonyl)phenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate, C19H21NO5S by Li Yaoyao, Su Lai, Wang Tianqin, Zhang Le

“…C19H21NO5S, triclinic, P1̄ (no. 2), a = 8.428(2) Å, b = 10.638(3) Å, c = 11.177(3) Å, α = 63.125(4)∘, β = 77.819(4)∘, γ = 79.845(4)∘, V = 869.9(4) Å3, Z = 2, R gt (F) = 0.0472, wR ref (F 2 ) = 0.1379, T = 296(2) K.…”
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The crystal structure of 4,4′-bipyridinium bis-(2-hydroxy-3-methoxybenzoate), 2(C8H7.68O4)·C10H8.64N2 by Angevine Devin J., Benedict Jason B.

“…C26H24N2O8, monoclinic, P21/c (no. 14), a = 6.9170(9) Å, b = 26.012(3) Å, c = 12.7449(17) Å, β = 91.896(4)°, V = 2291.9(5) Å3, Z = 4, Rgt(F) = 0.0471, wRref(F2) = 0.1320, T = 90 K.…”
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Synthesis and Biological Activity of Some 3,4-Dihydro-4-(4-substituted aryl)-6-(naptho[2,1-b]furan-2-yl pyrimidine-2(1H)-one Derivatives by Sanjeevan S. Gaikwad, Venkat S. Suryawanshi, Kishan S. Lohar, Dhanaji V. Jadhav, Narayan D. Shinde

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