Relevant bibliographies by topics / Ligand spectrum

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ligand spectrum'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Ligand spectrum"

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Meng, Jie. "Synthesis and Preparation of Eu(BA)3Phen and its Fluorescent Falsification-Resistant Screen Printing Ink." Advanced Materials Research 1096 (April 2015): 336–39. http://dx.doi.org/10.4028/www.scientific.net/amr.1096.336.

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Europium complex Eu (BA)3Phen was synthesised by selecting the fine Benzoyl acetone (BA) as the first ligand, o-phenanthroline (Phen) as the second ligand . IR spectrum indicated that europium ion has bonded with the ligands. The fluorescent properties and UV spectrum were studied. And fluorescent falsification-resistant screen printing ink was prepared , the fluorescent ink showed the characteristic emission of Eu3+, showed invisible in the visible light and showed obvious fluorescence under ultraviolet light.
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Abbasova, G. G., A. A. Medjidov, R. H. Ismayilov, A. M. Pashajanov, and P. A. Fatullayeva. "Synthesis and characterization of rare earth metal complexes with novel Schiff base." Fine Chemical Technologies 20, no. 1 (2025): 47–54. https://doi.org/10.32362/2410-6593-2025-20-1-47-54.

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Objectives. The work set out to synthesize Schiff base ligands containing a hydrazone moiety of (Z)-2-((E)-1-hydroxyethylidene)hydrazineylidene)-2-phenylacetic acid, as well as their praseodymium, samarium, europium, and gadolinium complexes, and to study their structure.Methods. The structure of ligands was identified by infrared (IR), ultraviolet (UV), and nuclear magnetic resonance (NMR) spectroscopy. The structure of the complexes was confirmed by elemental analysis, IR and UV spectroscopy, and thermogravimetric analysis.Results. The Schiff base ligands containing a hydrazone moiety of (Z)
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Choi, Don-Soo, Mu-Young Kim, and Kyung-Woo Hyung. "Electrochemical and Spectrum Properties of 2,7-Naphthalene Ligand Compounds." Korean Journal of Materials Research 19, no. 9 (2009): 510–15. http://dx.doi.org/10.3740/mrsk.2009.19.9.510.

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Safaa Mohammed Jawad Radhi, Ibtihal Kadhim Kareem, and Nadia Sadiq Majeed. "Preparation and characterization of new Mixed ligand complexes For some transition metal ions (bivalent) with Schiff- Mannich and Schiff base ligands." Journal of Kufa for Chemical Sciences 3, no. 1 (2023): 1–25. http://dx.doi.org/10.36329/jkcm/2023/v3.i1.13522.

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In this research, new mixed ligand complexes were prepared for complexes of some transitional element ions from the first transition series, which are: cobalt (II), nickel (II), and copper (II). The research included two paths:
 First: The first path included the preparation of three polycyclic ligands derived from Isatin (L1, L2, and L3), all of these ligands were identified by measuring the melting point and infrared and ultraviolet-visible spectroscopy.
 Second: The second path included the preparation of Mixed ligand complexes (L1and L2) with cobalt (II), nickel (II), and copper
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Kadhim Dakheel, Haitham, and Alaa Asaad Habeeb. "Synthesis and Characterization Studies of new Heterocyclic Azo Compound 2-[2‾-(4,5-Dimethyl thaizolyl azo]-5-Amino Anilin with some Complexes Metal Ions." Muthanna Journal of Pure Science 10, no. 1 (2023): 44–61. http://dx.doi.org/10.52113/2/10.01.2023/44-61.

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This work included the preparation of a new ligand of heterogeneous azo ligands derived from thiazole 2- [2‾-(4,5-Dimethyl thaizolyl azo]-5-Amino Anilin (DMeTAAA) and some of its metallic complexes were diagnosed by means of the infrared spectrum, mass spectrum, nuclear magnetic resonance proton spectra, ultraviolet-visible spectrum, thermogravimetric analysis, and in addition to the careful analysis of the elements. Eight metal complexes were prepared by reaction the prepared ligand with Chromium (III), Iron (II), Cobalt (III), Nickel (II), Copper (II), Zinc (II), mercury (II) and silver (I).
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Fortuné, Rose-Verla, Emilie Verguet, Paul O. Oguadinma та Frank Schaper. "[N,N′-Bis(2,6-dimethylphenyl)pentane-2,4-diiminato-κ2 N,N′]trichlorido(tetrahydrofuran-κO)zirconium". Acta Crystallographica Section E Structure Reports Online 63, № 11 (2007): m2822. http://dx.doi.org/10.1107/s160053680704322x.

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The nacnac (pentane-2,4-diiminato) ligand in the title compound, [Zr(C21H25N2)Cl3(C4H8O)], displays a κ2-coordination to the Zr center. Three chlorido ligands and a coordinated tetrahydrofuran (THF) molecule complete the octahedral environment of the metal. Despite the C 2 symmetry observed in the 1H NMR spectrum, the THF molecule is found trans to one of the N atoms of the nacnac ligand. The asymmetric unit contains two molecules. In one THF ligand one C atom and four H atoms are disordered over two sites in the ratio ca 0.58:0.42.
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Kinuta, M., J. L. Matteson, and H. A. Itano. "Formation of aryl and aryldiazenyl complexes in reactions of arylhydrazines and aryldiazenes with a synthetic model compound of haemoprotein." Biochemical Journal 240, no. 1 (1986): 81–86. http://dx.doi.org/10.1042/bj2400081.

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The anaerobic reaction of chelated protohaemin, a synthetic model compound of ferrihaemoglobin, with phenyldiazene produced a compound with the visible-absorption spectrum of a ferrihaemochrome. The compound reacted with CN-, which is a ligand of both ferric and ferrous porphyrins, to produce the complex of the synthetic ferrihaemoglobin with CN-. Though the spectrum of the compound formed by the addition of phenyldiazene to chelated protohaemin is characteristic of a ferric porphyrin complex, this compound reacted with both toluene-p-sulphonylmethyl isocyanide and CO, which are strong ligands
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Preeti, Singhal, Jain Renuka, and Goyal Deepti. "ELECTRONIC SPECTRAL CHARACTERIZATION AND ANTIBACTERIAL ACTIVITY OF LANTHANIDE (III) - CEFTAZIDIME COMPLEXES." International Journal of Engineering Technologies and Management Research 5, no. 2 (2018): 57–65. https://doi.org/10.5281/zenodo.1174121.

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<strong><em>The present work describes the spectrochemical study of some Lanthanide (III) - ceftazidime (Ln(III)-CEFZ) complexes. The impact of the ligand environment on electronic spectrum of the lantanide ion with special reference to complexation and nature of Ln-ligand bond has been examined. The energy and intensity parameters for the complexes have also been evaluated. The ligand and all prepared complexes were screened for their antibacterial activities against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus and the results showed that antibacterial activity of ligand
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Wang, Li Hua. "Hydrothermal Synthesis and Luminescent Characterization of Zn (II) Complex with 1,4-Bis(2’-formylphenyl)-1,4-dioxabutane Isonicotinoylhydrazone." Advanced Materials Research 424-425 (January 2012): 23–26. http://dx.doi.org/10.4028/www.scientific.net/amr.424-425.23.

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A aroylhydrazone Schiff-base ligand (1, 4-Bis(2’-formylphenyl)-1,4-dioxabutane isonicotinoylhydrazone) and its Zn (II) complex were synthesized by hydrothermal method. The ligand was characterized by IR spectrum, MS spectrum and X-ray single crystal diffraction analysis. The luminescent properties of the ligand and Zn (II) complex material have been investigated in solid and in organic solvents. The results show that the ligand has strong luminescent emission at ca. 454 nm and the fluorescence of Zn (II) complex is very weak.
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K., RAMALINGAM, VENKATACHALAM V., THILAGAVATHI M., and THIRUMARAN S. "Cyclic Voltammetric and Electronic Spectral Studies on the Interaction of Simple and Mixed Ligand Complexes containing Planar NiS4 and NiS2P2 Chromophores with Pyridine." Journal of Indian Chemical Society Vol. 74, Jul 1997 (1997): 568–69. https://doi.org/10.5281/zenodo.5908764.

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Department of Chemistry, Annamalai University, Annamalainagar-608 002 <em>Manuscript&nbsp;received 24 November 1995, revised 24 May 1996, accepted 19 June 1996</em> Cyclic Voltammetric and Electronic Spectral Studies on the Interaction of Simple and Mixed Ligand Complexes containing Planar NiS4 and NiS2P2 Chromophores with Pyridine.
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Dissertations / Theses on the topic "Ligand spectrum"

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Medina, Gerardo Juan. "Ligand isotope vibrational spectroscopic and DFT studies of Pt(II) and Cu(I) complexes." Thesis, Rhodes University, 2005. http://hdl.handle.net/10962/d1004982.

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Ligand-isotope labelling studies were performed on Zeise’s salt derivatives with pyridine N-oxide and quinoline N-oxide, their perdeuterated and O-18 isotopomers, C₂D₄ and ¹³CO, and the results of the vibrational analyses are reported. The isotopomers are modelled utilizing DFT calculations at the B3LYP level with the 6-31 G** basis set, and a pseudopotential level for the Pt atom. The calculated and observed structure and vibrational spectra correlate well. The crystal structures of [Pt(C₂2H₄)(pyO)Cl₂] and [Pt(CO)(quinO)Br₂] are reported. The frequency for the νPt-O vibration, ambiguously ass
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Mtongana, Sibusiso. "A multinuclear (1H, 13C, 31P and 195Pt) magnetic resonance spectroscopy study of mixed ligand platinum(II) complexes with new N,N-dialkyl-N'-acyl(aroyl)thioureas as ligands." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52649.

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Ries, Michel. "Synthese et reactivite de clusters heterometalliques contenant le ligand assembleur ph : :(2)pch::(2)pph::(2)." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13208.

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Berry, Michael. "Massively-Parallel Computational Identification of Novel Broad Spectrum Antivirals to Combat Coronavirus Infection." University of the Western Cape, 2015. http://hdl.handle.net/11394/8321.

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Philosophiae Doctor - PhD<br>Given the significant disease burden caused by human coronaviruses, the discovery of an effective antiviral strategy is paramount, however there is still no effective therapy to combat infection. This thesis details the in silica exploration of ligand libraries to identify candidate lead compounds that, based on multiple criteria, have a high probability of inhibiting the 3 chymotrypsin-like protease (3CUro) of human coronaviruses. Atomistic models of the 3CUro were obtained from the Protein Data Bank or theoretical models were successfully generated by homology m
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Sauvage, Jean-Paul, and Jean-François Verchère. "Relations structure-stabilité dans les complexes molybdiques et tungstiques des glucides." Rouen, 1993. http://www.theses.fr/1993ROUES030.

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En milieu acide, les glucides (sucres et alditols) forment des complexes anioniques avec les ions molybdate et tungstate. Les constantes de formation de ces complexes ont été déterminées par une méthode potentiométrique originale qui a permis, par ailleurs, de rationaliser le dosage acidimétrique des tungstates. La stabilité de ces complexes dépend de leur structure qui est imposée par la configuration des hydroxyles du ligand. On peut donc espérer différencier des glucides isomères, en les engageant dans des combinaisons chargées, réversibles, de stabilités différentes. L'étude structurale a
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Brown, C. A. "Ligand field spectral intensities." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377247.

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Gorce, Jean-Noel. "Spectroelectrochemistry of iron porphyrin and phthalocyanine complexes: interaction with chalcocarbonyl ligands and dimerization with single and mutiatom bridging ligands." Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/30478.

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Martinez, Éric. "Etudes par rmn multinoyaux (1h, 19f, 27a1, 31p) de l'aluminium complexe avec l'adp et le fluor (relation avec l'inhibition de la calcium-atpase par les fluorometaux)." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10232.

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La structure des complexes a1-f, adp-a1 et adp-a1-f en solution aqueuse est etudiee par rmn multinoyaux (1h, 19f, 27a1, 31p), en utilisant aussi le pyrophosphate (ppi) comme modele de l'adp. Les resultats montrent que tous les complexes observes a ph 7 sont de geometrie octaedrique. Les complexes binaires a1-f et les complexes ternaires adp-a1-f majoritaires ont ete etudies. Une des deux familles des complexes ternaires ppi-a1-f observees presente une haute stabilite thermodynamique et des couplages 2jf-f bien resolus. Les resultats obtenus avec l'adp (liaison bidentate, aluminium octaedrique)
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Essex, Sarah Jane. "Spectral intensities in planar copper(II) complexes." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239622.

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Howell, Sarah Louise, and n/a. "Excited state structures of polypyridyl complexes : a spectroscopic and DFT study." University of Otago. Department of Chemistry, 2005. http://adt.otago.ac.nz./public/adt-NZDU20070221.155843.

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This thesis reports the spectroscopic and computational studies of a number of Cu(I), Re(I) and Ru(II) complexes of polypyridyl ligands. The ligands considered in this study were 1,10-phenanthroline, 4,7-diphenyl-1,10-phenanthroline, 3,4,7,8-tetramethyl-1,10-phenanthroline, dibenzo[b,j][1,10]phenanthroline, dipyrido[2,3-a:3�,2�-c]phenazine, dipyrido[2,3-a:3�,2�-c]-6,7-dichlorophenazine and dipyrido[2,3-a:3�,2�-c]-6,7-dimethylphenazine. Density functional theory calculations were carried out on the polypyridyl ligands. Validation of the calculations was carried out by comparison of the predic
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Books on the topic "Ligand spectrum"

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E, Harding S., and Chowdhry Babur Z, eds. Protein-ligand interactions, structure and spectroscopy: A practical approach. Oxford University Press, 2001.

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Aldrich-Wright, Janice. Metallointercalators: Synthesis and Techniques to Probe Their Interactions with Biomolecules. Springer-Verlag/Wien, 2011.

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Keiller, B. T. The vibrational spectra of metal cluster compounds containing small organic ligands. University of East Anglia, 1988.

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H, Yersin, and Blasse G, eds. Electronic and vibronic spectra of transition metal complexes I. Springer-Verlag, 1994.

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Highland, Ronald G. Spectroscopic properties of mixed-ligand chelates of closed-shell transition metal complexes. 1985.

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(Editor), Stephen E. Harding, and Babur Z. Chowdhry (Editor), eds. Protein-Ligand Interactions: A Practical Approach Volume 2: Structure and Spectroscopy (Practical Approach Series). Oxford University Press, USA, 2001.

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(Editor), Stephen E. Harding, and Babur Z. Chowdhry (Editor), eds. Protein-Ligand Interactions: A Practical Approach Volume 1: Hydrodynamics and Calorimetry (Practical Approach Series). Oxford University Press, USA, 2001.

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(Editor), S. E. Harding, and Babur Chowdhry (Editor), eds. Protein-Ligand Interactions: A Practical Approach Volume 1: Hydrodynamics and Calorimetry (Practical Approach Series). Oxford University Press, USA, 2001.

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Aldrich-Wright, Janice. Metallointercalators: Synthesis and Techniques to Probe Their Interactions with Biomolecules. Springer, 2011.

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Aldrich-Wright, Janice. Metallointercalators: Synthesis and Techniques to Probe Their Interactions with Biomolecules. Springer, 2014.

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Book chapters on the topic "Ligand spectrum"

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Koleva, M. K., A. E. Eiyias, and L. A. Petrov. "Fractal Power Spectrum at Catalytic Oxidation of HCOOH over Supported Pd Catalyst." In Metal-Ligand Interactions in Chemistry, Physics and Biology. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4245-8_15.

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Jones, Roger D., and Alan M. Jones. "A Proposed Mechanism for in vivo Programming Transmembrane Receptors." In Communications in Computer and Information Science. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-57430-6_11.

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AbstractTransmembrane G-protein coupled receptors (GPCRs) are ideal drug targets because they resemble, in function, molecular microprocessors for which outcomes (e.g. disease pathways) can be controlled by inputs (extracellular ligands). The inputs here are ligands in the extracellular fluid and possibly chemical signals from other sources in the cellular environment that modify the states of molecular switches, such as phosphorylation sites, on the intracellular domains of the receptor. Like in an engineered microprocessor, these inputs control the configuration of output switch states that
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Kawahara, Kohichi, Katsuyoshi Masuda, Masaji Ishiguro, and Hitoshi Nakayama. "Utilities of Anti-ligand Antibody and Mass Spectrum to Elucidate Photolabeled Sites." In Photoaffinity Labeling for Structural Probing Within Protein. Springer Japan, 2017. http://dx.doi.org/10.1007/978-4-431-56569-7_4.

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Joy, Christy, and Marria C. Cyriac. "Phytochemicals as Potential Drug Candidates for SARS Cov-2: An RDRp Based In-Silico Drug Designing." In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022). Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_7.

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AbstractThe global pandemic that the world is currently witnessing, COVID-19, even with vaccines available, the test positivity rate (TPR) tends to remain highly threatening. This research focuses on identifying phytochemicals, previously known for their broad-spectrum antiviral properties which can be potential drug candidates for theSARS-CoV-2. A total of 225 phytocompounds (downloaded from PubChem database) are docked against targetprotein (downloaded from PDB database) of SARS-CoV-2using the POAP pipeline. The target protein is the RDRp complex. They are screened according to their binding
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Zerner, Michael C. "Intermediate Neglect of Differential Overlap Calculations on the Electronic Spectra of Transition Metal Complexes." In Metal-Ligand Interactions. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0155-1_18.

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Hoggard, Patrick E. "Sharp-line electronic spectra and metal-ligand geometry." In Topics in Current Chemistry. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/3-540-58155-3_4.

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Zhou, J. Y., T. Luo, W. L. She, et al. "Metal-to-Ligand Charge Transfer Spectra for Transition Metal Complexes of Chelated Aromatic Ligands: Theory and Experiment." In Laser in Forschung und Technik / Laser in Research and Engineering. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-80263-8_38.

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David, L., E. Forizs, C. Craciun, O. Cozar, and I. Gergely. "Spectral studies on some mixed-ligand copper (II) complexes of theophylline." In Spectroscopy of Biological Molecules: New Directions. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4479-7_112.

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Johal, Sukhvinder S., Kevin Drabble, Andrew J. White, and Christopher W. Wharton. "Acyl-Chymotrypsins with Unsaturated Ligands Give Anomalous Vibrational Spectra." In Fifth International Conference on the Spectroscopy of Biological Molecules. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1934-4_139.

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Krishna, N. Rama, and V. Jayalakshmi. "Quantitative Analysis of STD-NMR Spectra of Reversibly Forming Ligand–Receptor Complexes." In Topics in Current Chemistry. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/128_2007_144.

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Conference papers on the topic "Ligand spectrum"

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Zhao, Yang, Xiaoyun Tong, Longjie Li, et al. "Ligand-modified FAPbI3 perovskite quantum dots for efficient near-infrared light-emitting diodes." In Conference on Spectral Technology and Applications (CSTA 2024), edited by Zhe Wang and Hongbin Ding. SPIE, 2024. https://doi.org/10.1117/12.3035937.

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Lim, Manho, Timothy A. Jackson, and Philip A. Anfinrud. "Ultrafast Mid-IR Spectroscopy of Carbonmonoxymyoglobin: The Dynamics of Ligand Motion." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/up.1994.fb.4.

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Myoglobin (Mb) is an oxygen-binding protein found in muscle. The active binding site is an iron-II-containing porphyrin (heme) that is located within the hydrophobic interior of the protein. The X-ray structure of Mb reveals a distal cavity large enough to accommodate a ligand the size of O2, but no channel large enough for the ligand to diffuse between the heme pocket and the surrounding solvent. Clearly, structural fluctuations of the protein are required to open channels for ligand transport to and from the binding site. What is the functional role of the heme pocket and the residues that c
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Akbar, Himyan, Salma Habib, Mohammed Mahroof Tahir, and Lakshmaiah Sreerama. "Synthesis and Characterization of Vanadium (IV)-Flavonoid Complexes and its Antioxidant ability toward Superoxide and Radical Scavenging." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0109.

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In this project Vanadium complex -Vanadium (IV) - flavone was synthesized using vanadium (IV) acetylacetonate (VO(acac)2) complex and 3-hydroxy-6-methyl flavone ligand. The complex stability was checked using FTIR and UV-vis spectroscopies. Peackes around 990 cm-1 conforms the formation of (V=O) in the complex, as well as (V-O) around 790 cm-1. In UV-Vis spectrum peak around 400-450 nm was noticed, which conforms the formation of the vanadium complex that correspond to the ligand to metal charge transfer (LMCT) transition. The radical scavenging abilities of vanadium complex were investigated
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Xu, Chao, Yu Du, Tingting Liu, and Suliang Yang. "Extraction of Nd(III), Eu(III), Am(III) and Cm(III) With 6-Carboxylic Di(2-Ethylhexyl) Amide Pyridine." In 2022 29th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/icone29-90818.

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Abstract Solvent extraction has been widely used in spent fuel reprocessing because of its advantages such as high mass transfer rate, short production cycle, easy operation and large extraction capacity. The ligands containing soft S and N atoms usually have a good effect on the separation of trivalent lanthanides actinides. Herein, a novel extractant, 6-carboxylic di(2-ethylhexyl) amide pyridine (DEHAPA, HA), containing carboxyl and amide pyridine, was designed. The extraction of Nd(III), Eu(III), Am(III) and Cm(III), representing trivalent lanthanides and actinides, from nitric solution has
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Daniel, C., T. Matsubara, and G. Stor. "A CASSCF/MRCI study of the electronic spectrum of transition metal compounds with low-lying metal to ligand charge transfer states." In The first European conference on computational chemistry (E.C.C.C.1). AIP, 1995. http://dx.doi.org/10.1063/1.47862.

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Hassan Ahmed Al-Jubouri, Suha ,., and Hassan Ahmed Mohamed. "Preparation and Characterization the Complexes of Dithiocarbamide Derived from Amino Acids and Evaluation of Their Biological Activity." In X INTERNATIONAL CONGRESS OF PURE AND APPLIED TECHNOLOGICAL SCIENCES. Rimar Academy, 2023. http://dx.doi.org/10.47832/minarcongress10-10.

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This resaerch includes the preparation and characterization of a number of dithiocarbamate complexes of amino acids (tyrosine, and tryptophan) with a number of transitional elements Ni (II) and non-transitional elements Zn (II), Hg (II). The dithiocarbamate complexes were prepared directly in one container due to the difficulty of obtaining the ligands in a solid form. The complexes with the following general formulas were prepared: 1.Complexes with the formula [M(Tyrodtc)2], where M= Ni(II), Zn(II) ratio (metal: ligand) (2:1). 2. Complexes with the formula [M(Tryptodtc)2] where M= Zn(II), Hg(
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Steimle, Timothy C., Boa-Zhong Li, and Kook Young Jung. "Molecular Beam Optical Stark and PPMODR Spectroscopy of Pt Containing Molecules." In Modern Spectroscopy of Solids, Liquids, and Gases. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/msslg.1995.ssaa4.

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Ligated platinum compounds are important in many homogeneous catalytic processes yet there is very little experimental information about the Pt-ligand bond. The most detailed information about bonding comes from the analysis of gas phase spectra recorded at a resolution sufficient to resolve the fine and hyperfine structure and shifts in spectral features caused by the application of static electric and magnetic fields. The advent of the supersonic laser ablation/reaction source (1-4) has eliminated many of the problems associated with the generation molecules containing refractory elements, s
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Simard, B., A. M. James, and P. A. Hackett. "High resolution molecular beam spectroscopy of yttrium monosulfide." In OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.tul6.

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The YS molecule has been produced in a free jet molecular beam apparatus by laser vaporization of yttrium metal in the presence of He carrier gas doped with 1–2% of CS2, and its visible spectrum has been studied by laser induced fluorescence. The B2Σ + −X2Σ + (0,0) and A2Π−X2Σ + (0,0) bands have been studied at sub-Doppler resolution, and rotational, fine, and hyperfine parameters have been derived. Both hands are complicated by local perturbations, which also have been analyzed in detail. The first rotational lines of the B2Σ + −X2Σ + (0,0) band have been used to determine the permanent dipol
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Scherer, N. F., L. W. Ungar, D. C. Arnett, L. D. Book, H. Hu, and G. A. Voth. "Charge-Transfer Dynamics in Blue Copper Proteins: Experiment and Simulation." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/up.1996.fc.4.

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Blue copper proteins function as mobile electron carriers in biological systems by transfering electrons to and from their "type I" copper active sites liganded to the protein matrix.1 In reduced form, these active sites have a strong ligand-to-metal charge transfer transition between the copper atom and a cysteine sulfur ligand in the region of 595-630 nm, which gives the proteins their characterisitic blue color.2 This strong absorption makes blue copper proteins suitable for ultrafast spectroscopic studies of protein electron transfer. Elucidation of electronic and nuclear dynamics of these
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Dyer, R. Brian, and Timothy P. Causgrove. "Ultrafast Protein Relaxation: Time-Resolved Infrared Studies of Protein Dynamics Triggered by CO Photodissociation from CO Myoglobin." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/up.1994.tub.4.

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A critical feature of the biological function of heme proteins is the direct coupling of protein motion to the process of binding exogenous ligands to the heme. In carbonmonoxymyoglobin (MbCO), a substantial, specific conformational relaxation is associated with the transition from the ligated to the unligated form of the protein. The analogous tertiary structural changes of the monomer heme subunits of hemoglobin ultimately lead to the R→T quaternary structural transition, the allosteric control mechanism of O2 binding efficiency [1]. We have studied these processes on the earliest timescales
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Reports on the topic "Ligand spectrum"

1

Altstein, Miriam, and Ronald Nachman. Rationally designed insect neuropeptide agonists and antagonists: application for the characterization of the pyrokinin/Pban mechanisms of action in insects. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7587235.bard.

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The general objective of this BARD project focused on rationally designed insect neuropeptide (NP) agonists and antagonists, their application for the characterization of the mechanisms of action of the pyrokinin/PBAN (PK-PBAN) family and the development of biostable, bioavailable versions that can provide the basis for development of novel, environmentally-friendly pest insect control agents. The specific objectives of the study, as originally proposed, were to: (i) Test stimulatory potencies of rationally designed backbone cyclic (BBC) peptides on pheromonotropic, melanotropic, myotropic and
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