SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY OF RUTHENIUM NITROSYL COMPLEXES CONTAINING POLYPYRIDYL LIGANDS by Dayana P. S. Penha, Thuanny M. de Sousa, Dayane C. de Oliveira, Maria R. H. da Silva, Verônica da S. Oliveira, Daniel de L. Pontes, Ana C. F. de B. Pontes, Tércio de F. Paulo, Francisco O. N. da Silva

“…The ruthenium(II) complexes cis-[Ru(bpy)(phen)(ImN)(NO)](PF6)3 (I) and cis-[Ru(bpy)(phen)(SO3)(NO)](PF6) (II) (bpy = 2,2’-bipyridine, phen = 1,10’-phenanthroline and ImN = imidazole) were synthesized and characterized using UV-visible, infrared and NMR (nuclear magnetic resonance) spectroscopies and electrochemical techniques. Infrared bands in the 1910-1950 cm−1 range are consistent with NO+ stretching, indicating the coordination of nitric oxide. …”
Get full text

An Improved One-Pot Procedure for Preparation Of N,N -Diethyl-m-Toluamide from m-Toluic Acid by Thinh Pham Duc, Thu Nguyen Van, Phuong Bui Thu, Chau Phan Dinh, Duc Viet Le, Duong Vu Binh

“…The structure of DEET was determined by model spectroscopies MS, and NMR. Conclusions: An improved procedure for the synthesis of N,N-diethyl-m -toluamide (DEET) or N,N-diethyl-m-methylbenzamide is established where the use of all reagents was optimized in suitable amount to apply in industrial production.…”
Get full text

Effect of Magnesium Borates on the Fire-Retarding Properties of Zinc Borates by Azmi Seyhun Kipcak, Nil Baran Acarali, Emek Moroydor Derun, Nurcan Tugrul, Sabriye Piskin

“…Using the starting materials, hydrothermal synthesis was applied, and characterisation of the products was performed using X-Ray diffraction (XRD) and Fourier transform infrared (FT-IR) and Raman spectroscopies. The forms of Zn3B6O12·3.5H2O, MgO(B2O3)3·7(H2O), and Mg2(B6O7(OH)6)2·9(H2O) were synthesised successfully. …”
Get full text

Syntheses, Characterization, and Antimicrobial Screening of N-(benzothiazol-2-yl)benzenesulphonamide and its Cu(I), Ni(II), Mn(II), Co(II), and Zn(II) Complexes by N. L. Obasi, Okoye C. O. Benedict, P. O. Ukoha, A. O. Anaga

“…The compounds were characterized using magnetic susceptibility measurements, UV/VIS spectrophotometry, infra red, proton and 13C nmr spectroscopies. The antimicrobial tests of the ligands and its metal complexes were carried out on both multi-resistant bacterial strains isolated under clinical conditions and cultured species using agar-well diffusion method. …”
Get full text

Saponins Effect on Human Insulin Amyloid Aggregation by Eleonora Mari, Silvia Vilasi, Paolo Moretti, Maria Rosalia Mangione, Giorgia Giorgini, Roberta Galeazzi, Maria Grazia Ortore

“…To monitor the kinetic of amyloid aggregation following secondary structure changes, we perform fluorescence and UV-Visible absorption spectroscopies, using Thioflavin T and Congo Red as amyloid specific probes, and Circular Dichroism. …”
Get full text

Interfacial charge transfer on hierarchical synergistic shell wall of MXene/MoS2 on CdS nanospheres: heterostructure integrity for visible light responsive photocatalytic H2 evolut... by Kugalur Shanmugam Ranjith, Ali Mohammadi, Ganji Seeta Rama Raju, Yun Suk Huh, Young-Kyu Han

“…X-ray and ultraviolet photoelectron spectroscopies validated the electronic states, energy band alignment, and work function of the heterostructures, whilst time-resolved photoluminescence measured the carrier lifespan to evaluate the effective charge migration in the CdS-MXe/MoS2 heterostructure. …”
Get full text

Isolation, purification, structural characteristic and antioxidative property of polysaccharides from A. cepa L. var. agrogatum Don by Hongcheng Liu, Hongxiu Fan, Jing Zhang, Shanshan Zhang, Wenting Zhao, Tingting Liu, Dawei Wang

“…The monosaccharide composition, structural and antioxidative properties of ALAP-21 were investigated by GC–MS chromatography, FT-IR and NMR spectroscopies and three antioxidative activity tests in vitro. …”
Get full text

Anti-breast cancer activity of some novel quinoline derivatives by Ghorab Mostafa M., Alsaid Mansour S.

“…The structures of the newly synthesized compounds were confirmed by elemental analyses, IR, 1H NMR and 13C NMR spectroscopies. In addition, the structure of compound 1 was confirmed through X-ray crystallography. …”
Get full text

RETRACTED: Mycosynthesis of Hematite (α-Fe₂O₃) Nanoparticles Using <em>Aspergillus niger</em> and Their Antimicrobial and Photocatalytic Activities by Ebrahim Saied, Salem S. Salem, Abdulaziz A. Al-Askar, Fathy M. Elkady, Amr A. Arishi, Amr H. Hashem

“…The structural and optical properties of Hem-NPs were investigated using X-ray diffraction (XRD), transmission electron microscopy (TEM), dynamic light scattering (DLS), and UV-visible and Fourier-transform infrared (FTIR) spectroscopies. The results revealed that all of the studied parameters, as well as their interactions, had a significant impact on the crystallite size. …”
Get full text

Molecular dynamics study of imidazolium ionic liquids and molecular solvents: insights into microstructure and transport phenomena by Dmytro Dudariev, Yaroslav Kolesnik, Abdenacer Idrissi, Oleg Kalugin

Get full text

Insights from the compositional evolution of a multi-coloured, zoned tourmaline from the Cruzeiro pegmatite, Minas Gerais, Brazil by G. B. Andreozzi, G. B. Andreozzi, C. Gori, H. Skogby, U. Hålenius, A. Altieri, F. Bosi, F. Bosi

“…Four representative fragments of the multi-coloured, zoned tourmaline were thoroughly investigated using single-crystal X-ray diffraction; electron microprobe analysis; and <span class="inline-formula">⁵⁷</span>Fe Mössbauer, Fourier transform infrared, and optical absorption spectroscopies to obtain the full composition and site occupancies. …”
Get full text

Ruthenium(II) Complex with 1-Hydroxy-9,10-Anthraquinone Inhibits Cell Cycle Progression at G0/G1 and Induces Apoptosis in Melanoma Cells by Júlia S. M. Dias, Guilherme A. Ferreira-Silva, Rommel B. Viana, João H. de Araujo Neto, Javier Ellena, Rodrigo S. Corrêa, Marília I. F. Barbosa, Marisa Ionta, Antônio C. Doriguetto

“…Methods: The complexes were characterized by infrared (IR), UV–vis, ¹H, ¹³C{¹H}, and ³¹P{¹H} NMR spectroscopies, molar conductivity, cyclic voltammetry, and elemental analysis. …”
Get full text

Efficient synthesis of fluorinated triphenylenes with enhanced arene–perfluoroarene interactions in columnar mesophases by Yang Chen, Jiao He, Hang Lin, Hai-Feng Wang, Ping Hu, Bi-Qin Wang, Ke-Qing Zhao, Bertrand Donnio

“…UV–vis absorption and fluorescence emission spectroscopies reveal green photoluminescence with fluorescence quantum yields of up to 33% for the Fn derivatives. …”
Get full text

Synthesis, Characterization, and Cytotoxic Activity of New Lanthanum(III) Complexes of Bis-Coumarins

“…The lanthanum(III) complexes with bis-coumarins were characterized by different physicochemical methods&#8212;elemental analysis, IR-, <mml:math alttext="$chem{{}^{1}H}$"> <mml:msup> <mml:mi></mml:mi> <mml:mn>1</mml:mn> </mml:msup> <mml:mtext>H</mml:mtext> </mml:math>-, and <mml:math alttext="$chem{{}^{13}C}$"> <mml:msup> <mml:mi></mml:mi> <mml:mrow> <mml:mn>13</mml:mn> </mml:mrow> </mml:msup> <mml:mtext>C</mml:mtext> </mml:math>-NMR-spectroscopies, and mass spectral data. The spectral data of lanthanum(III) complexes were interpreted on the basis of comparison with the spectra of the free ligands. …”
Get full text

Lutetium-177 labeled iPD-L1 as a novel immunomodulator for cancer-targeted radiotherapy by Myrna Luna-Gutiérrez, Erika Azorín-Vega, Rigoberto Oros-Pantoja, Blanca Ocampo-García, Pedro Cruz-Nova, Nallely Jiménez-Mancilla, Gerardo Bravo-Villegas, Clara Santos-Cuevas, Laura Meléndez-Alafort, Guillermina Ferro-Flores

“…Results The iPD-L1 ligand, characterized by UPLC mass, UV-Vis, and FT-IR spectroscopies, showed a chemical purity of 99%. The 177Lu-iPD-L1 radiochemical purity was 98.9 ± 1.1%. …”
Get full text