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A Chiral Lanthanide Tag for Stable and Rigid Attachment to Single Cysteine Residues in Proteins for NMR, EPR and Time‐Resolved Luminescence Studies

Autor: Gottfried Otting, Thomas R. Berki, Iresha D. Herath, Sarah H. Hewitt, Charlotte A. Dodson, Colum Breen, Nicholas Cox, Shereen Jabar, Stephen J. Butler, Martyna Judd, Ahmad F. Kassir

Publikováno v: Herath, I D, Breen, C, Hewitt, S H, Berki, T R, Kassir, A F, Dodson, C, Judd, M, Jabar, S, Cox, N, Otting, G & Butler, S J 2021, ' A chiral lanthanide tag for stable and rigid attachment to single cysteine residues in proteins for NMR, EPR and time-resolved luminescence studies ', Chemistry-A European Journal . https://doi.org/10.1002/chem.202101143
Chemistry (Weinheim an Der Bergstrasse, Germany)

A lanthanide‐binding tag site‐specifically attached to a protein presents a tool to probe the protein by multiple spectroscopic techniques, including nuclear magnetic resonance, electron paramagnetic resonance and time‐resolved luminescence spe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eca7463272775609da11a7debd7a4cd7
https://doi.org/10.1002/chem.202101143

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Akademický článek

Determination of the Heavy Metals in the Contaminated Soil Zones at College of Education Ibn Al-Haitham -University of Baghdad

Autor: A. F. kassir, H. M. Yaseen, S. B. Abu, M. R. Aziz

Publikováno v: Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 24, Iss 2 (2017)

Soil is a crucial component of environment. Total soil analysis may give information about possible enrichment of the soil with heavy metals. Heavy metals, potentially contaminate soils, may have been dumped on the ground. The concentrations of soil

Externí odkaz: https://doaj.org/article/0581def6fb6c4b11b52f4b6121f5c2a5

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Selective Recognition and Sensing of Biologically Important Phosphates Using Triptycene-Based Anion Receptors

Autor: Ahmad F. Kassir, Daniel Lupp, Jakub Grabowski, Jaroslaw M. Granda, Janusz Jurczak

The overarching aim of supramolecular chemistry is to design and synthesize receptors exhibiting selectivity and efficiency comparable to that found in nature in biological receptors and enzymes. Despite the recent progress, we are still far from des

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d604a3a14fa967e5e745dbf53573e3f
https://doi.org/10.26434/chemrxiv-2022-lb9cf

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Formation of Tetrahydrothiophenes via a Thia-Paternò–Büchi-Initiated Domino Photochemical Reaction

Autor: Marie-Christine Scherrmann, David J. Aitken, Régis Guillot, Thomas Boddaert, Ahmad F Kassir

Publikováno v: Organic Letters. 22:8522-8527

We have established photochemical access to thietane or tetrahydrothiophene compounds from thiobenzophenone derivatives and acrylonitrile, wherein the product selectivity is controlled by a simple adjustment of the reagent concentration in solution.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d433e10a077e55897c94c5d3923b8260
https://doi.org/10.1021/acs.orglett.0c03128

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Synthetic Access to All Four Stereoisomers of Oxetin

Autor: Thao Anh Minh Nguyen, Régis Guillot, Ahmad F Kassir, Florence Charnay-Pouget, David J. Aitken, Marie-Christine Scherrmann, Thomas Boddaert, Sherif Shaban Ragab

Publikováno v: Journal of Organic Chemistry
Journal of Organic Chemistry, 2016, 81 (20), pp.9983-9991. ⟨10.1021/acs.joc.6b01795⟩

A short synthesis of all four stereoisomers of 3-amino-2-oxetanecarboxylic acid (oxetin) is described. The oxetane core is built using a Paternò-Büchi photochemical [2 + 2] cycloaddition; from the key intermediates, complementary resolution protoco

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed2e502bd8b621b6e4f787e503ac30f4
https://doi.org/10.1021/acs.joc.6b01795

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Cooperative 5- and 10-membered ring interactions in the 10-helix folding of oxetin homo-oligomers

Autor: Thomas Boddaert, Marie-Christine Scherrmann, Régis Guillot, Sherif Shaban Ragab, Ahmad F Kassir, David J. Aitken

Publikováno v: Chemical communications (Cambridge, England). 54(16)

Homo-oligomers of the natural product oxetin (cis-3-amino-2-oxetanecarboxylic acid) were prepared and their conformational behaviour studied in solution and solid state and by molecular modelling. The predominant secondary structure was a 10-helix, p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15c9a1fbb0e95130e3e7ab3f3020334a
https://pubmed.ncbi.nlm.nih.gov/29399690

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Akademický článek

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Reverse osmosis and activated alumina water treatment plant for the California State prisons located near Blythe

Autor: L. Rein, D.R. Lee, F. Kassir, L. Badertscher, J.M. Hargreaves

Publikováno v: Desalination. 103:155-161

To supply water to two California prisons located in a desert area on the west of the Colorado River an average of 1.7–5.2 mgd are required. Available groundwater had high concentrations of fluoride and TDS and a temperature close to 45°C. A water

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b4bf20cf43bbcdee0f330bcb726d5aa
https://doi.org/10.1016/0011-9164(95)00097-6

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