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1. "Ag8SnTe6" — Ein neuer stabiler Vertreter der Argyrodite ? "Ag8SnTe6" -a New Stable Argyrodite ?

Author:
Bernd Gather; Roger Blachnik
Source:
Zeitschrift für Naturforschung 2014 v.38 no.6 pp. 786-787
ISSN:
0932-0776
Subject:
X-radiation; chemical compounds; chemical reactions; chemical structure
Abstract:
... DTA, X-ray and microprobe measurements show, that the compound "Ag₈SnTe₆" seems not to be a stable argyrodite. ...
DOI:
10.1515/znb-1983-0622

2.  Lymphoma of the trachea in a cat: a case report

Author:
F. Jelinek; F. Hozmanova
Source:
Veterinární medicína v.57 no.3 pp. 150-153
ISSN:
0375-8427
Subject:
B-cell lymphoma; X-radiation; case studies; epitopes; immunohistochemistry; larynx; necropsy; radiography
Abstract:
... Diffuse large B-cell lymphoma of the trachea was diagnosed in a 14-year-old domestic shorthaired cat suffering from dyspnoea. X-ray examination revealed marked stenosis of the lumen in the thoracic segment of the trachea. Post-mortem examination of the trachea disclosed two formations. The larger, visible in the radiograph, was formed by thickened tracheal wall. The smaller one was of crest appear ...
DOI:
10.17221/5855-vetmed

3. (+)-Cyclopenol, a new naturally occurring 7-membered 2,5-dioxopiperazine alkaloid from the fungus Penicillium sclerotiorum endogenous with the Chinese mangrove Bruguiera gymnorrhiza

Author:
Jing Li; Jun Wang; Cheng-Shi Jiang; Gang Li; Yue-Wei Guo
Source:
Journal of Asian natural products research 2014 v.16 no.5 pp. 542-548
ISSN:
1477-2213
Subject:
Bruguiera gymnorhiza; Penicillium; X-radiation; alkaloids; chemical structure; copper; endophytes; ergosterol; ethyl acetate; fungi; spectroscopy
Abstract:
... One new naturally occurring 7-membered 2,5-dioxopiperazine alkaloid named (+)-cyclopenol (1), along with nine known compounds including viridicatol (2), 3-(dimethylaminomethyl)-1-(1,1-dimethyl-2-propenyl)indole (3), anacine (4), aurantiomide C (5), viridicatin (6), 3- O -methylviridicatin (7), verrucosidin (8), ergosterol (9), and ergosterol peroxide (10), was isolated from the EtOAc extract of fu ...
DOI:
10.1080/10286020.2014.911290

4. (1,3-Diethyl-1,3-dihydro-4,5-dimethyl- 2H -imidazol-2-yliden)-diiodtellur(II) [1]

Author:
Norbert Kuhn; Thomas Kratz; Gerald Henkel
Source:
Zeitschrift für Naturforschung B 2014 v.51 no.2 pp. 295-297
ISSN:
1865-7117
Subject:
X-radiation; carbenes; iodine
Abstract:
... The carbene adduct 5 is formed from the 2-tel-luroimidazoline 4 and iodine. The X-ray structure analysis reveals a dimeric structure in the solid state. ...
DOI:
10.1515/znb-1996-0220

5. (111)-Oriented Co0.8Fe 2.2O 4+δ thin film grown by pulsed laser deposition: structural and magnetic properties

Author:
M. Khodaei; S. A. Seyyed Ebrahimi; Yong Jun Park; Sun Hee Choi; CheolGi Kim; Junwoo Son; Sunggi Baik
Source:
Journal of materials science 2013 v.48 no.20 pp. 6960-6969
ISSN:
0022-2461
Subject:
X-radiation; absorption; iron; magnetic properties; oxygen; surface roughness
Abstract:
... The perfect (111)-oriented Co₀.₈Fe₂.₂O₄₊δ thin films were grown on Pt(111)/Si substrate by pulsed laser deposition technique. Co₀.₈Fe₂.₂O₄₊δ film grown at oxygen pressure of 10 mTorr (optimum condition) has the highest (111)-orientation degree, the lowest surface roughness, uniformly compacted nanosize grain-feature structure (50–80 nm), and the highest magnetization. The Fe K-edge X-ray absorptio ...
DOI:
10.1007/s10853-013-7504-5

6. (1→3)-β-d-Glucan nanofibers from paramylon via electrospinning

Author:
Yutaka Kawahara
Source:
Carbohydrate polymers 2014 v.112 pp. 73-76
ISSN:
0144-8617
Subject:
Euglena gracilis; X-radiation; crystal structure; electrodes; formic acid; microscopy; nanofibers; texture
Abstract:
... (1→3)-β-d-Glucans of paramylon from Euglena gracilis were dissolved in concentrated formic acid and electrospinning was conducted using a newly designed setup. The diameter of the as-spun fibers ranged from 0.05 to 1μm, and most of the fibers were straight and aligned parallel to two arbitrary fins (electrodes). By polarized optical microscopy, we determined that the anisotropic texture of the fib ...
DOI:
10.1016/j.carbpol.2014.05.066

7. (2,3-Bis(methylen)bicycIo[2.2.2]octan)zirconocen: Synthese, Struktur und elektrochemische Reduktion/(2,3-Bis(methylene)bicyclo[2.2.2]octane)zirconocene: Synthesis, Structure, and Electrochemical Reduction

Author:
Gerhard Erker; Klaus Engel; Carl Krüger; Yi-Hung Tsay; Edmond Samuel; Pierre Vogel
Source:
Zeitschrift für Naturforschung 2014 v.40 no.2 pp. 150-157
ISSN:
0932-0776
Subject:
X-radiation; biphenyl; electrochemistry; moieties; nuclear magnetic resonance spectroscopy; photolysis; toluene; zirconium
Abstract:
... Photolysis of diphenylzirconocene and 2,3-bis(methylene)bicyclo[2.2.2]octane in toluene at -25 °C yields biphenyl and (2,3-bis(methylene)bicyclo[2.2.2]octane)zirconocene (lg) (67.5% isolated yield).1g exhibits dynamic NMR spectra indicating rapid alternation of diene faces coordinated to zirconium (ring-flip mechanism). This degenerate intramolecular rearrangement is characterized by an extremely ...
DOI:
10.1515/znb-1985-0203

8. (CO)5CrFe2(CO)6PPh, ein tetraedrischer Cluster mit achtfach koordiniertem Chrom(O)/ (CO)5CrFe2(CO)6PPh, a Tetrahedral Cluster Containing an Eightfold Coordinated Chromium(O)

Author:
G. Huttner; G. Mohr; P. Friedrich
Source:
Zeitschrift für Naturforschung 2014 v.33 no.11 pp. 1254-1256
ISSN:
0932-0776
Subject:
X-radiation; chromium; irradiation
Abstract:
... The title compound may be prepared by irradiation of (CO)₅CrFe₂(CO)₈PPh, which itself is accessible from Fe₂(CO)₉ and (CO)₅CrPPhCl₂. It forms a tetrahedral cluster in which a pentacarbonylchromium fragment acts as the apex of a tetrahedron the base of which ist formed by an Fe₂P-triangle. X-ray analysis reveals that the chromium atom interacts strongly with all three atoms of the tetrahedral base, ...
DOI:
10.1515/znb-1978-1111

9. (Cr1−x Al x)N as a candidate for corrosion protection in high temperature segments of CCS plants

Author:
W. Garkas; S. Weiß; Q. M. Wang
Source:
Environmental earth sciences 2013 v.70 no.8 pp. 3761-3770
ISSN:
1866-6280
Subject:
X-radiation; air; aluminum; coatings; corrosion; energy; nickel; oxidation; spraying; temperature
Abstract:
... Three (Cr₁₋ₓ Al ₓ)N (x = 0.33, 0.5, 0.66) coatings were deposited on Ni-super alloy IN718 using reactive magnetron sputtering. The oxidation behavior of all coatings at 900 °C up to 500 h in air was studied. Furthermore, the corrosion behavior of the (Cr₀.₃₃,Al₀.₆₆)N coating at 900 °C (corrosion type I) by spraying a uniform salt scale of Na₂SO₄ on the sample surface (1 mg/cm²) was investigated. I ...
DOI:
10.1007/s12665-013-2646-y

10. (Dichloro)-μ-(1,3,5-trithian)kupfer(II), [CuCl2 · C3H6S3]n]n und (Dichloro)-(1,4,7-trithiacyclononan)kupfer(II), [CuCl2 · C6H12S3] / (Dichloro)-μ-(1,3,5-trithiane)copper(II), [CuCl2· C3H6S3]n, and (Dichloro)-(1,4,7-trithiacyclononane)copper(II), [CuCl2· C6H12S3]

Author:
Jing Shen; Joachim Pickardt
Source:
Zeitschrift für Naturforschung 2014 v.47 no.12 pp. 1736-1740
ISSN:
0932-0776
Subject:
X-radiation; chemical bonding; copper; crystals; ligands
Abstract:
... Reactions of CuCl₂ with 1.3.5-trithiane and 1.4.7-trithiacyclononane yield crystals of CuCl₂· C₃H₆S₃, and CuCl₂• C₆H₁₂S₃, resp. According to X-ray structure analyses, CuCl₂• C₃H₆S₃ forms infinite chains, whereas CuCl₂• C₆H₁₂S₃ consists of discrete molecules. In CuCl₂• C₃H₆S₃ the thioether molecules act as bridging ligands. Each Cu is coordinated to two S atoms belonging to two adjacent ligands, an ...
DOI:
10.1515/znb-1992-1215

11. (Dimethylphosphito-P){tris[2-(diphenylphosphino)ethyl]-phosphine-P,P′,P″,P″′}platinum(II)-chloride: Synthesis and Structural Characterization

Author:
Peter Brüggeller; Thomas Hübner; Alfred Gieren
Source:
Zeitschrift für Naturforschung 2014 v.44 no.7 pp. 800-805
ISSN:
0932-0776
Subject:
X-radiation; chlorine; hydrolysis; nuclear magnetic resonance spectroscopy; phosphorus; platinum; stable isotopes; stereochemistry; temperature
Abstract:
... Controlled hydrolysis at low temperatures of (trimethylphosphito-P){tris[2-(diphenylphosphino)ethyl]phosphine-P,P′,P″,P″′}platinum(II)-dichloride, [Pt(PP₃)(P(OMe)₃)]Cl₂ (2), leads to the title compound (1) in nearly quantitative yield. The ³¹P NMR spectrum of 1 shows an AMX₃ pattern consistent with the formulation as [Pt(P(O)(OMe)₂)(PP₃)]Cl. 1 has been further characterized by an X-ray structure a ...
DOI:
10.1515/znb-1989-0713

12. (MeSn)4Se6, Geometrie und Schwingungsformen eines Adamantan-Gerüstes aus Zinn-Selen-Bindungen / (MeSn)4Se6, Geometry and Vibrational Modes of an Adamantane Framework Formed by Tin-Selenium Bonds

Author:
Axel Blecher; Martin Dräger; Bernd Mathiasch
Source:
Zeitschrift für Naturforschung 2014 v.36 no.11 pp. 1361-1367
ISSN:
0932-0776
Subject:
X-radiation; aqueous solutions; energy; geometry
Abstract:
... The title compound has been synthesized by reaction of MeSnBr₃ and NaHSe in aqueous solution. The X-ray structure determination showed adamantane-like molecules (Sn-Se 253(1), Sn-C 215(1) pm) arranged in a quasi hexagonal-close packing. The atomic coordinates were used for an analysis of the vibrational spectra, yielding information on the distribution of the potential energy for the normal modes ...
DOI:
10.1515/znb-1981-1103

13. (PPh4)2[Mn(Se4)2]; Synthese und Kristallstruktur / (PPh4)2[Mn(Se4)2]; Synthesis and Crystal Structure

Author:
Gertrud Kräuter; MyLinh Ha-Eierdanz; Ulrich Müller; Kurt Dehnicke
Source:
Zeitschrift für Naturforschung 2014 v.45 no.5 pp. 695-700
ISSN:
0932-0776
Subject:
X-radiation; crystal structure; crystals; infrared spectroscopy; ions; lithium; manganese; manganese chloride; selenium; zinc
Abstract:
... (PPh₄)₂[Mn(Se₄)2] has been prepared by the reaction of a lithium poiyseienide solution in DMF with MnCl₂.4H₂O at 100 °C in the presence of PPh₄Br. The compound forms black crystals, which were characterized by IR spectroscopy as well as by an X-ray structure determination. Space group P2₁, Z = 4, 3622 observed unique reflexions, R = 0.076. Lattice dimensions at 19 °C: a = 1017.2(3), b = 1405.9(3), ...
DOI:
10.1515/znb-1990-0518

14. (Pseudo)binary Antimonides: Insights on Local Ordering and Effective Charge Configurations from ¹²¹Sb MAS NMR and Mössbauer Spectroscopies

Author:
Mathis Radzieowski; Theresa Block; Jonas Koppe; Michael Ryan Hansen; Rainer Pöttgen; Oliver Janka
Source:
Journal of physical chemistry 2021 v.125 no.2 pp. 1454-1466
ISSN:
1932-7455
Subject:
X-radiation; X-ray diffraction; antimony; europium; ferrimagnetic materials; heat; isomers; magnetic susceptibility; magnetism
Abstract:
... Binary antimonides of composition MSb (M = Al, Ga, In), RESb (RE = Sc, Y, La), CdSb, RE₄Sb₃ (RE = Sc, La), and T₅Sb₄ (T = Nb, Ta) as well as the pseudobinary solid solutions (La₀.₂₅M₀.₇₅)₄Sb₃ (M = Sr, Eu) were synthesized from the elements via arc-melting or induction heating and investigated by powder X-ray diffraction, magnetic susceptibility, and solid-state ¹²¹Sb MAS NMR as well as ¹²¹Sb and ¹ ...
DOI:
10.1021/acs.jpcc.0c09650

15. (Re) thinking Towards a Sustainable Analytical Chemistry: Part I: Inorganic Elemental Sample Treatment, Part II: Alternative Solvents and Extraction Techniques

Author:
Ana P.R. Santana; Patricia de Andrade Nascimento; Taciana G.S. Guimarães; Iohanna M.N. Ribeiro Menezes; Daniel F. Andrade; Andrea Oliveira; Mario H. Gonzalez
Source:
Trends in analytical chemistry 2022 pp. 116596
ISSN:
0165-9936
Subject:
Raman spectroscopy; X-radiation; alkali treatment; atomic absorption spectrometry; chemical analysis; chemometrics; combustion; digestion; fluorescence; liquid-liquid extraction; microwave treatment; toxicity; ultrasonic treatment; ultraviolet radiation
Abstract:
... Currently, there is a huge demand for the development of analytical methods for chemical analysis. Sustainable methods have aroused the interest of researchers in the last years. This paper reviews important technologies for digestion and solid-liquid extraction approaches, with emphasis in emerging greener methods for the elemental analysis of different samples. Analytical technologies such as Mi ...
DOI:
10.1016/j.trac.2022.116596

16. (S)-ABOC: A Rigid Bicyclic β-Amino Acid as Turn Inducer

Author:
André Christophe; Legrand Baptiste; Deng Cheng; Didierjean Claude; Pickaert Guillaume; Martinez Jean; Averlant-Petit Marie Christine; Amblard Muriel; Calmes Monique
Source:
Organic letters 2012 v.14 no.4 pp. 960-963
ISSN:
1523-7052
Subject:
Fourier transform infrared spectroscopy; X-radiation; amino acids; chemical reactions; chemical structure; models; nuclear magnetic resonance spectroscopy; organic compounds; tripeptides
Abstract:
... In order to investigate the ability of the (S)-aminobicyclo[2.2.2]octane-2-carboxylic acid 1 (H-(S)-ABOC-OH) to induce reverse turns into peptides, two model tripeptides, in which this bicyclic unit was incorporated into the second position, were synthesized and analyzed by FT-IR, CD, NMR, and X-ray studies. ...
DOI:
10.1021/ol203406v

17. (Thio)ureido Anion Receptors Based on a 1,3-Alternate Oxacalix[2]arene[2]pyrimidine Scaffold

Author:
Van Rossom Wim; Caers Jef; Robeyns Koen; Van Meervelt Luc; Maes Wouter; Dehaen Wim
Source:
Journal of organic chemistry 2012 v.77 no.6 pp. 2791-2797
ISSN:
1520-6904
Subject:
X-radiation; anions; aromatic hydrocarbons; binding properties; chemical interactions; chlorides; macrocyclic compounds; nuclear magnetic resonance spectroscopy; organic chemistry; receptors; solvents; titration
Abstract:
... In pursuit of highly preorganized macrocyclic host molecules for the complexation of anions, a series of oxacalix[2]arene[2]pyrimidine-based bis(thio)ureido receptors were synthesized and fully characterized. The pincer-like 1,3-alternate conformation of the oxacalix[4]arene scaffold, essential for an efficient host–guest interaction, was visualized by single-crystal X-ray analysis and supported b ...
DOI:
10.1021/jo300004p

18. (η3+ -Benzyl)(η4 -cyclooctadien)rhodium(I)-Komplexe / (η3 -Benzyl)(η4 -cyclooctadiene)rhodium(I) Complexes

Author:
Hans-Otto Stühler; Joachim Pickardt
Source:
Zeitschrift für Naturforschung 2014 v.36 no.3 pp. 315-321
ISSN:
0932-0776
Subject:
X-radiation; isomerization; rhodium; styrene
Abstract:
... Reactions of [(COD)RhCl]₂ (2) (COD = 1,5-cyclooctadiene) with i-C₃H₇MgBr in ether and styrene or o-methylstyrene lead to formation of the complexes [(COD)Rh(η³ -7-methyl-benzyl)] (3) and [(COD)Rh(η³ -6,7-dimethylbenzyl)] (4), respectively. 4 was characterized by X-ray analysis. With β-methylstyrene or allylbenzene [(COD)Rh(η³ -7-ethylbenzyl)] (5) is formed; the latter case leads to precedent isome ...
DOI:
10.1515/znb-1981-0308

19. 062 Antifreeze proteins from Japanese organisms: Functional analyses for their general use

Author:
Tsuda Sakae
Source:
Cryobiology 2013 v.67 no.3 pp. 415
ISSN:
0011-2240
Subject:
X-radiation; antifreeze proteins; binding sites; fish; fungi; hatching; heifers; hepatoma; humans; ice; muscles; nuclear magnetic resonance spectroscopy; pregnancy; rats; recombinant proteins; survival rate; temperature; viability
Abstract:
... Antifreeze protein (AFP) binds to the surface of an ice crystal to inhibit its growth below 0°C, and also to the membrane surface of a cell to improve its viability above 0°C. To clarify the mechanism of these two extraordinary functions and to realize a new AFP-utilizing technique, we have been performed exploration of AFPs from Japanese organisms, development of a new mass-preparation method of ...
DOI:
10.1016/j.cryobiol.2013.09.068

20. 0D/2D Ag3PO4/Nickel-Aluminum layered double hydroxide Z-scheme photocatalyst for efficient antibiotic degradation

Author:
Tianle Fan; Yan Yang; Pengfei Li; Chenyao Hu; Hongfei Yin; Xiaoheng Liu
Source:
Colloids and surfaces 2021 v.628 pp. 127251
ISSN:
0927-7757
Subject:
X-radiation; ambient temperature; irradiation; light; nanocomposites; photocatalysis; photocatalysts; pollution; qualitative analysis; tetracycline
Abstract:
... Environmental pollution resulted from antibiotic-containing effluent has gained much focus. Photocatalytic technology has been recognized as one of the promising candidates for solving this problem. Herein, A series of 0D/2D Ag₃PO₄/Nickel-Aluminum layered double hydroxide (NiAl-LDH) nanocomposites were fabricated via a room-temperature precipitation strategy. The physical and chemical properties o ...
DOI:
10.1016/j.colsurfa.2021.127251