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Littérature scientifique sur le sujet « NMR ligand-receptor interaction studies »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "NMR ligand-receptor interaction studies"

Giragossian, Craig, Maria Pellegrini, and Dale F. Mierke. "NMR studies of CCK-8/CCK1 complex support membrane-associated pathway for ligand-receptor interaction." Canadian Journal of Physiology and Pharmacology 80, no. 5 (2002): 383–87. http://dx.doi.org/10.1139/y02-031.

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The interaction of peptide ligands with their associated G-protein-coupled receptors has been examined by a number of different experimental approaches over the years. We have been developing an approach utilizing high-resolution NMR to determine the structural features of the peptide ligand, well-designed fragments of the receptor, and the ligandreceptor complexes formed upon titration of the peptide hormone. The results from these investigations provide evidence for a membrane-associated pathway for the initial interaction of peptide ligands with the receptor. Here, our results from the inv

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Ruan, Ke-He. "High resolution nuclear magnetic resonance spectroscopy-guided mutagenesis for characterization of membrane-bound proteins: Experimental designs and applications." Spectroscopy 18, no. 1 (2004): 13–29. http://dx.doi.org/10.1155/2004/802728.

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High resolution Nuclear Magnetic Resonance (NMR) spectroscopy is a powerful tool for determining the solution structures of peptides and small proteins, and their ligand binding functions. Molecular biology mutagenesis is a widely used and powerful approach for identification of the protein functions. We have developed a strategy integrating NMR experiments with mutagenesis studies to advance and extend the approaches used for structure/function relationship studies of proteins, especially for membrane-bound proteins, which play important roles in physiopathological processes. The procedures i

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Fitri, Tengku Anggia, Rudi Hendra, and Adel Zamri. "One-pot synthesis and molecular docking study of pyrazoline derivatives as an anticancer agent." Pharmacy Education 23, no. 2 (2023): 260–65. http://dx.doi.org/10.46542/pe.2023.232.260265.

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Background: Pyrazoline is a series of heterocyclics with an N–N bond linkage, which is the determining factor in their biological activities, including anticancer. Objectives: This research aims to synthesise pyrazoline derivative compounds with anticancer potential. Method: 4-Metoxyacetophenon, halogen-substituted benzaldehyde, and phenylhydrazine were used to prepare pyrazoline derivatives (4a, b) under basic conditions using a microwave-assisted, one-pot, three-component reaction method. UV, FTIR, 1H-NMR, and HRMS spectrometers were used to confirm the molecular structure of pyrazolines (4a

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Assadi-Porter, Fariba, James Radek, Hongyu Rao, and Marco Tonelli. "Multimodal Ligand Binding Studies of Human and Mouse G-Coupled Taste Receptors to Correlate Their Species-Specific Sweetness Tasting Properties." Molecules 23, no. 10 (2018): 2531. http://dx.doi.org/10.3390/molecules23102531.

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Taste signaling is a complex process that is linked to obesity and its associated metabolic syndromes. The sweet taste is mediated through a heterodimeric G protein coupled receptor (GPCR) in a species-specific manner and at multi-tissue specific levels. The sweet receptor recognizes a large number of ligands with structural and functional diversities to modulate different amplitudes of downstream signaling pathway(s). The human sweet-taste receptor has been extremely difficult to study by biophysical methods due to the difficulty in producing large homogeneous quantities of the taste-receptor

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Braitsch, Michaela, Hanspeter Kählig, Georg Kontaxis, et al. "Synthesis of fluorinated maltose derivatives for monitoring protein interaction by 19F NMR." Beilstein Journal of Organic Chemistry 8 (March 27, 2012): 448–55. http://dx.doi.org/10.3762/bjoc.8.51.

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A novel reporter system, which is applicable to the 19F NMR investigation of protein interactions, is presented. This approach uses 2-F-labeled maltose as a spy ligand to indirectly probe protein–ligand or protein–protein interactions of proteins fused or tagged to the maltose-binding protein (MBP). The key feature is the simultaneous NMR observation of both 19F NMR signals of gluco/manno-type-2-F-maltose-isomers; one isomer (α-gluco-type) binds to MBP and senses the protein interaction, and the nonbinding isomers (β-gluco- and/or α/β-manno-type) are utilized as internal references. Moreover,

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Morales, Paula, Marta Bruix та M. Angeles Jiménez. "Structural Insights into β-arrestin/CB1 Receptor Interaction: NMR and CD Studies on Model Peptides". International Journal of Molecular Sciences 21, № 21 (2020): 8111. http://dx.doi.org/10.3390/ijms21218111.

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Activation of the cannabinoid CB1 receptor induces different cellular signaling cascades through coupling to different effector proteins (G-proteins and β-arrestins), triggering numerous therapeutic effects. Conformational changes and rearrangements at the intracellular domain of this GPCR receptor that accompany ligand binding dictate the signaling pathways. The GPCR-binding interface for G proteins has been extensively studied, whereas β-arrestin/GPCR complexes are still poorly understood. To gain knowledge in this direction, we designed peptides that mimic the motifs involved in the putativ

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Pintilie, Lucia, Amalia Stefaniu, Alina Ioana Nicu, Maria Maganu, and Miron Teodor Caproiu. "Design, Synthesis and Docking Studies of Some Novel Fluoroquinolone Compounds with Antibacterial Activity." Revista de Chimie 69, no. 4 (2018): 815–22. http://dx.doi.org/10.37358/rc.18.4.6207.

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A new series of fluoroquinolone compounds have been obtained by Gould-Jacobs method. The compounds have been characterized by physic-chemical methods (elemental analysis, FTIR, NMR, UV-Vis) and by antimicrobial activity against Gram-positive and Gram-negative microorganisms. For the synthesized compounds have been performed calculations of characteristics and molecular properties, using Spartan�14 Software from Wavefunction, Inc. Irvine, CA. and molecular docking studies using CLC Drug Discovery Workbench 2.4 software, to identify and visualize the most likely interaction ligand (fluoroquinolo

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Nguyen, Hoa, Tianwei Jing та Xu Wang. "The Q163C/Q309C mutant of αMI-domain is an active variant suitable for NMR characterization". PLOS ONE 18, № 1 (2023): e0280778. http://dx.doi.org/10.1371/journal.pone.0280778.

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Integrin αMβ2 (Mac-1, CD11b/CD18, CR3) is an important adhesion receptor expressed on monocytes. Mac-1 is responsible for mediating cell migration, phagocytosis, degranulation as well as cell-cell fusion. It is also the most promiscuous integrin in terms of ligand specificity with over 100 ligands, most of which use the αMI-domain as their binding site. Despite the importance of αMI-domain in defining ligand interactions of Mac-1, structural studies of αMI-domain’s interactions with ligands are lacking. In particular, solution NMR studies of αMI-domain’s interaction with ligands have not been

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Bhat, Ishwar K. "SYNTHESIS, DOCKING STUDY AND ANTI-INFLAMMATORY STUDIES OF SOME FLAVANONES." INDIAN DRUGS 58, no. 02 (2021): 54–60. http://dx.doi.org/10.53879/id.58.02.12228.

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In this work, a series of flavanones (P1-P9) was synthesized by cyclization of substituted (hydroxyphenyl)- 3-(phenyl) prop-2-en-1-ones (S1-S9). The structures of the synthesized compounds were characterized by IR, 1 H NMR and mass spectral data. These derivatives were evaluated for anti-inflammatory activity. Compounds P1, P3, P6 and P7 showed excellent anti-inflammatory activity as compared to standard drug diclofenac sodium. Molecular docking of these flavanones (P1-P9) was also performed with receptor phosphoinositide-3-kinase PI3Kδ (PDB code: 5ITD). All the flavanones (P1-P9) were docked

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Kharche, Shalmali, Manali Joshi, Amitabha Chattopadhyay, and Durba Sengupta. "Conformational plasticity and dynamic interactions of the N-terminal domain of the chemokine receptor CXCR1." PLOS Computational Biology 17, no. 5 (2021): e1008593. http://dx.doi.org/10.1371/journal.pcbi.1008593.

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The dynamic interactions between G protein-coupled receptors (GPCRs) and their cognate protein partners are central to several cell signaling pathways. For example, the association of CXC chemokine receptor 1 (CXCR1) with its cognate chemokine, interleukin-8 (IL8 or CXCL8) initiates pathways leading to neutrophil-mediated immune responses. The N-terminal domain of chemokine receptors confers ligand selectivity, but unfortunately the conformational dynamics of this intrinsically disordered region remains unresolved. In this work, we have explored the interaction of CXCR1 with IL8 by microsecond

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Thèses sur le sujet "NMR ligand-receptor interaction studies"

Guzzetti, I. "INTEGRIN AND CADHERIN LIGANDS: INTERACTION STUDIES BY COMPUTATIONAL METHODS AND BIOAFFINITY NMR ON INTACT CELLS." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/243616.

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On a molecular level protein – ligand interactions are central to a number of biological processes, but their investigation is inherently difficult due to several problems, especially for membrane proteins. The study of this type of interactions poses a whole set of challenges, including the characterization of the dynamic behaviour and of the conformational properties of the ligands in complex with the target macromolecules. A variety of biophysical methods have been developed to study protein – ligand interactions and several NMR spectroscopic techniques have emerged as powerful methods to i

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Tengel, Tobias. "Studies of protein structure, dynamics and protein-ligand interactions using NMR spectroscopy." Doctoral thesis, Umeå : Univ, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1472.

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AIROLDI, CRISTINA. "Development of new potential antitumor drugs based on Ras protein inhibition." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2007. http://hdl.handle.net/10281/116562.

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Because of their role in oncogenesis, inhibition of Ras proteins, particularly of their tumorigenic variants, represents today one of the principal strategies finalized to the obtainment of new antitumoral therapies. Among the different possible approaches, one of the most innovative and less explored is represented by the inhibition of this protein activation, key event for the explication of their biological activity, but also for the Ras-induced tumoral cell transformation. Objective of this thesis has been the development of new small molecules able to inhibit, at least partially (total i

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MERLO, SILVIA. "Characterization of biomedical relevant ligand-protein interactions using Nuclear Magnetic Resonance (NMR) Spectroscopy." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2013. http://hdl.handle.net/10281/40953.

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NMR techniques allow to obtain structural information useful for the comprehension of biological processes. The aim of this work is to investigate interactions between biological macromolecules and binding partners, including other macromolecules, small ligands and therapeutically relevant compounds. These results will be exploited for the design and development of new potential drugs and medical devices.

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Edwards, Rachel. "Ligand interactions of glutamate receptor 2 studied by NMR." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.495042.

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Neurotransmission is the action of communication between neurons; the most common neurotransmitter in the mammalian CNS is glutamate. Excessive activation of glutamate receptors have been implicated in a number of neurodegenerative diseases; they are therefore of great interest for investigation as drug targets. The ionotropic glutamate receptor GluR2 has previously been expressed as a soluble construct representing the ligand binding domain known as S1S2J. GluR2 S1S2J contains two separate binding sites for different types of ligands; the glutamate binding site and the allosteric modulator bi

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Curtis, Nicola. "Tritium NMR studies of protein-ligand interactions." Thesis, University of Surrey, 1994. http://epubs.surrey.ac.uk/842983/.

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Tritium NMR studies provide a convenient way of obtaining detailed information about conformational equilibria, dynamic processes and specific interactions in protein-ligand complexes provided that suitably 3H-labelled molecules are available. In this study [7,9-3H]- and [3',5',7-3H]folic acid, and [3',5',7-3H]methotrexate were synthesised and the NMR spectra of their complexes with Lactobacillus casei dihydrofolate reductase (DHFR) were assigned and analysed as a function of pH (DHFR-folate complexes) and temperature (DHFR-methotrexate complexes). From these data it was possible to obtain fur

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Miyoshi, Emi. "Platinum(II) complexes : studied by diffusion NMR." Thesis, View thesis, 2008. http://handle.uws.edu.au:8081/1959.7/33587.

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Six novel platinum(II) intercalators of the form [Pt(AL)(IL)]Cl2, where AL = ethylenediamine (en), 1R,2R-diaminocyclohexane (R,R-dach), or 1S,2S-diaminocyclohexane (S,S-dach) and IL = 4,7-dihydroxy-1,10-phenanthroline (4,7-dhp) or 4,7-dicarboxy-1,10-phenanthroline (4,7-dcp), were synthesised. All complexes were prepared by the addition of the intercalating ligand followed by the addition of the diamine ancillary ligand. The complexes with 4,7-dhp were soluble in DMSO and were characterised by 1H, 13C, and 195Pt NMR, elemental analysis, UV-vis, ESI-MS, and CD. The complexes with 4,7-dcp were on

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Miyoshi, Emi. "Platinum(II) complexes studied by diffusion NMR /." View thesis, 2008. http://handle.uws.edu.au:8081/1959.7/33587.

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Thesis (M.Sc.) (Hons)--University of Western Sydney, 2008.<br>A thesis presented to the University of Western Sydney, College of Health and Science, School of Biomedical and Health Sciences, in fulfilment of the requirements for the degree of Master of Science (Honours). Includes bibliographies.

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Åkerberg, Helena. "Functional Studies of the Neuropeptide Y System : Receptor-Ligand Interaction and Regulation of Food Intake." Doctoral thesis, Uppsala universitet, Institutionen för neurovetenskap, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9533.

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The members of the mammalian neuropeptide Y family, i.e. the peptides neuropeptide Y (NPY), peptide YY (PYY) and pancreatic polypeptide (PP), are all involved in regulation of food intake. In human and most other mammals they act via receptors Y1, Y2, Y4 and Y5. NPY is released in the hypothalamus and is one of the strongest appetite-stimulating neurotransmitters whereas PP and PYY are secreted from gut endocrine cells after meals and function as appetite-reducing hormones. This thesis describes studies of the NPY system at both the molecular and the physiological level. The first part describ

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Björnerås, Johannes. "The opioid peptide dynorphin A : Biophysical studies of peptide–receptor and peptide–membrane interactions." Doctoral thesis, Stockholms universitet, Institutionen för biokemi och biofysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-107766.

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The work presented in this thesis concerns the opioid peptide dynorphin A (DynA). DynA functions primarily as a neurotransmitter and belongs to the family of typical opioid peptides. These peptides are a part of the opioid system, together with the opioid receptors, a family of GPCR membrane proteins. The opioid system system is involved or implicated in several physiological processes such as analgesia, addiction, depression and other types of neurological disorders. In this thesis, two biologically relevant aspects of DynA have been investigated with biophysical methods. First, interactions

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Livres sur le sujet "NMR ligand-receptor interaction studies"

Leijon, Mikael. Structure and dynamics of DNA: Sequence dependent effects and ligand interactions studied by NMR. Stockholm University, Dept. of Biophysics, 1995.

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Chapitres de livres sur le sujet "NMR ligand-receptor interaction studies"

Ciaramelli, C., A. Palmioli, and C. Airoldi. "Chapter 6. NMR-based Ligand–Receptor Interaction Studies under Conventional and Unconventional Conditions." In New Developments in NMR. Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781839165702-00142.

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Spiga, Ottavia, Maria Scarselli, Arianna Ciutti, et al. "NMR Studies of the Interaction of α-Bungarotoxin with a Mimotope of the Nicotinic Acetylcholine Receptor." In Peptides: The Wave of the Future. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0464-0_432.

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Kearns, David R. "One- and Two-Dimensional NMR Studies of the Structures of Simple Sequence DNAs." In DNA—Ligand Interactions. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4684-5383-6_2.

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Feeney, J. "NMR Studies of Protein Ligand Interactions." In NMR of Biological Macromolecules. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-79158-1_6.

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Goldflam, Michael, Teresa Tarragó, Margarida Gairí, and Ernest Giralt. "NMR Studies of Protein–Ligand Interactions." In Methods in Molecular Biology. Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-480-3_14.

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Hiroaki, Hidekazu, and Daisuke Kohda. "Protein–Ligand Interactions Studied by NMR." In Experimental Approaches of NMR Spectroscopy. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5966-7_21.

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Hiroaki, Hidekazu, and Daisuke Kohda. "Protein–Ligand Interactions Studied by NMR." In Experimental Approaches of NMR Spectroscopy II. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-6830-1_13.

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Roberts, G. C. K. "NMR Studies of Protein-Ligand Interactions: Dihydrofolate Reductase." In NMR in the Life Sciences. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-8178-5_6.

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Gerothanassis, Ioannis P. "NMR Studies of Ligand-Protein Interactions Involving Quadrupolar Nuclei." In NMR of Biological Macromolecules. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-79158-1_7.

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Feeney, J. "NMR Studies of Protein-Ligand and Protein-Protein Interactions Involving Proteins of Therapeutic Interest." In NMR in Supramolecular Chemistry. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4615-9_18.

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Actes de conférences sur le sujet "NMR ligand-receptor interaction studies"

Stojković, Danijela, Maja Đukić, Marija Ristić, et al. "Synthesis, characterization and HSA interactions of a new piano-stool ruthenium(II) complex containing a thioamide-type ligand." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.507s.

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The synthesis and characterization of a newly synthesized piano-stool [Ru-(ɳ6-p-cymene)Cl2L] complex with a ligand 3-amino-2-cyano-N-phenyl-3-(4-phenyl-1-piperazinyl)-2-propenethioamide are presented. The complex was obtained in good yield as an ochre powderand was characterized by elemental analysis, 1H and 13C NMR, IR, conductometry, and melting point. The fluorescence binding studies showed that the interaction of the complex with albumin occurs by a static quenching mechanism and that the complex showed a very high value of the binding constant with one binding site (Kb = 1.68 × 107; n = 1

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Azzaoui, Khalil. "A Novel Approach to Prepare a Composite of Hydroxyapatite with Cellulose Nanocomposites by Novel Methods Including Theoretical Studies." In 8th World Conference on Chemistry and Chemical Engineering and 8th World Conference on Advanced Materials, Nanoscience and Nanotechnology. Eurasia Conferences, 2025. https://doi.org/10.62422/978-81-981865-7-7-022.

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This paper presents a novel cheminformatics approach for the design and synthesis of hydroxyapatite/ cellulose nanocomposites, which have potential biomedical and environmental applications, removal of dyes. The nanocomposites are synthesized by the co-precipitation method with different ratios of hydroxyapatite and cellulose. Over the past decade, calcium phosphate composites and similar biomaterials have seen commercial use in bone substitution and allograft applications. These biomaterial composites, which include an organic matrix and an inorganic mineral, have been developed. The principa

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Avdović, Edina, Sandra Jovičić Milić, Dušica Simijonović, Danijela Stojković, Dejan Milenković, and Zoran Marković. "SYNTHESIS, SPECTROSCOPIC CHARACTERIZATION AND BSA INTERACTIONS OF 3-(1-((4-HYDROXY PENTYLAMINO)ETHYLIDENE)CHROMAN-2,4-DIONE." In 17th International Conference on Fundamental and Applied Aspects of Physical Chemistry. Society of Physical Chemists of Serbia, 2024. https://doi.org/10.46793/phys.chem24i.053a.

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In this study, we synthesized a novel coumarin derivative, specifically 3-(1-((4-hydroxy pentylamino)ethylidene)cromane-2,4-dione by the reaction of 3-acetyl-4-hydroxycoumarin and 5- aminopentanol in methanol. The compound was obtained after 2 hours of reflux. The synthesized coumarin derivative was obtained in very good yield (80%) and characterized using elemental microanalysis, Uv-Vis, IR and NMR spectroscopy. Furthermore, the interaction of investigated compound with bovine serum albumin (BSA) was studied using fluorescence spectroscopy and the Stern-Volmer constant (Ksv), quenching rate c

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Dzichenka, Yaraslau, Michail Shapira, Sergei Usanov, et al. "NOVEL LIGANDS OF HUMAN CYP7 ENZYMES – POSSIBLE MODULATORS OF CHOLESTEROL BLOOD LEVEL: COMPUTER SIMULATION STUDIES." In 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac, 2021. http://dx.doi.org/10.46793/iccbi21.435d.

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Our in vitro studies showed that a couple of perspective steroidal derivatives showed previously biomedical potential via enzyme inhibition, receptor binding or antiproliferative effect against the cancer cells of reproductive tissues are able to bind to human CYP7 enzymes – key enzymes taking part in hydroxylation of cholesterol, 25-, 27-hydroxycholesterol and a number of steroidal hormones. In silico screening of binding affinity of the modified steroids toward CYP7 enzymes showed that interaction energy for the new ligands is comparable with consequent values, calculated for the ‘essential’

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Gustafson, E. J., H. Lukasiewicz, A. H. Schmaier, S. Niewiarowski, and R. W. Colman. "FIBRINOGEN BINDS TO HUMAN NEUTROPHILS AT A SITE DISTINCT FROM GPIIb/IIIa." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643850.

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Many observations suggest a potential role for neutrophils in the modulation of hemostasis and thrombosis. Arterial thrombi are characterized by the presence of large numbers of neutrophils lining the perimeter of platelet aggregates. While investigating binding of high molecular weight kininogen (HMWK) to neutrophils, we found that fibrinogen (Fb) could inhibit binding of 125I-HMWK as well as displace HMWK already bound to neutrophils. We therefore initiated studies to determine whether Fb could bind to human neutrophils. Both Zn++ and Ca++ were required for maximal binding of 125I-Fb to neut

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Belin, D., D. Baccino, A. Wohlwend, A. Estreicher, J. Hurate, and J.-D. Vassalli. "A CELLULAR RECEPTOR FOR UROKINASE-TYPE PLASMINOGEN ACTIVATOR." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642957.

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Recent cell biological and biochemical studies on the urokinase-type plasminogen activator (u-PA) have revealed an unsuspected property of this protein: it binds with high affinity and specificity to the plasma membrane of a number of cell types. Hence, while the interaction of tissue-type plasminogen activator (t-PA) with fibrin suggests a preferred role for this enzyme in the maintenance of fluidity of the extracellular milieu, the cellular binding of u-PA results in the focalisation of plasmin generation to the close environment of the cell surface; this appears as an optimal configuration

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Subramaniam, Dhananjay Radhakrishnan, and David J. Gee. "Hydrodynamic Recruitment of Leukocytes Is Influenced by Adherent Cell Morphology." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86502.

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Innate immunity depends on the coordinated activity of multiple leukocytes at or near the site of tissue injury. Previous numerical studies have shown that an adherent leukocyte can hydrodynamically recruit a free-stream leukocyte towards the endothelial surface. Using a computer model we created, we numerically investigated the hydrodynamic recruitment of circulating cells due to the presence of a nearby adherent deformed cell. For circulating cells positioned one diameter or more above the reactive surface and subsequently involved in a glancing (out-of-plane) collision with an adherent cell

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Hawiger, J. "PLATELET RECEPTOR RECOGNITION DOMAINS AND THEIR SYNTHETIC PEPTIDE ANALOGS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643726.

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Adhesive molecules and their receptorsplay an essential role in hemostasis and thrombosis. Platelet thrombi are formed through the interaction of cell adhesion molecules (CAMs) with intercellular adhesion molecules (IAMs)and substrate adhesion molecules (SAMs). Platelet CAMs encompass membrane glycoproteins lb, lib, Ilia,and possibly la and IV, which constitutemembrane receptors for IAMs(e.g., fibrinogen) and for SAMs encompassingvon Willebrand Factor (vWF), fibronectin, vitronectin, collagen, and thrcmbospondin. Receptorfunction of platelet CAMs can be specific,i.e., only one adhesive protein

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Goldsmith, Harry L. "Observing Human Blood Cells in Flow Through Microchannels." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-31330.

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For the rheologist, blood is essentially a concentrated suspension of biconcave 8-μm diameter red cells (40–45% by volume) that circulates within the body in vessels from 25 mm down to 5 μm diameter. Here, we describe in vitro tracking of blood cells in a traveling microtube apparatus and in a counter-rotating micro cone-plate device at low Reynolds numbers, Re. Observations of the flow behavior of individual red cells reveal a marked and continuously changing deformation and interaction of the cells in shear, and this, together with their migration away from the vessel wall accounts for the l

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Apitz Castro, R., E. Ledezma, A. Jorquera, and M. K. Jain. "REVERSIBLE BLOCKADE OF PLATELET ACTIVATION DURING CARDIO-PUIMONAR BYPASS IN DOGS AFTER IV ADMINISTRATION OF AJOENE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644820.

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Surgery with extracorporeal circulation (ECC) is associated with platelet activation, which greatly contribute to prolonged postoperative bleeding and increased blood loss after surgery. Antiplatelet ccnpounds which induce rapid and reversible inhibition of platelet function, without affecting platelet adhesiveness would be potentially useful in the management of the platelet-dependent hemostatic disorder observed in ECC. Ajoene, an organosulfur originally obtained from garlic, inhibits platelet release and aggregation induced ex vivo by all know agonists. It does not affect shape change or ad

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Rapports d'organisations sur le sujet "NMR ligand-receptor interaction studies"

Altstein, Miriam, and Ronald J. Nachman. Rational Design of Insect Control Agent Prototypes Based on Pyrokinin/PBAN Neuropeptide Antagonists. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7593398.bard.

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The general objective of this study was to develop rationally designed mimetic antagonists (and agonists) of the PK/PBAN Np class with enhanced bio-stability and bioavailability as prototypes for effective and environmentally friendly pest insect management agents. The PK/PBAN family is a multifunctional group of Nps that mediates key functions in insects (sex pheromone biosynthesis, cuticular melanization, myotropic activity, diapause and pupal development) and is, therefore, of high scientific and applied interest. The objectives of the current study were: (i) to identify an antagonist bioph

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Eyal, Yoram, and Sheila McCormick. Molecular Mechanisms of Pollen-Pistil Interactions in Interspecific Crossing Barriers in the Tomato Family. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7573076.bard.

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During the evolutionary process of speciation in plants, naturally occurring barriers to reproduction have developed that affect the transfer of genes within and between related species. These barriers can occur at several different levels beginning with pollination-barriers and ending with hybrid-breakdown. The interaction between pollen and pistils presents one of the major barriers to intra- and inter-specific crosses and is the focus of this research project. Our long-term goal in this research proposal was defined to resolve questions on recognition and communication during pollen-pistil

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