Results 241 to 250 of about 2,345 (277)

Pillar substitution modulates CO2 affinity in “mmo” topology networks

Chemical Communications, 2013
The use of WO4(2-) instead of CrO4(2-) or MoO4(2-) as an angular pillar in topology nets has afforded two isostructural porous nets of formula [M(bpe)2WO4] (M = Co or Ni, bpe = 1,2-(4-pyridyl)ethene). The Ni variant, WOFOUR-1-Ni, is highly selective towards CO2 thanks to its exceptionally high isosteric heat of adsorption (Qst) of -65.5 kJ mol(-1) at ...
Mona H, Mohamed, Sameh K, Elsaidi, Tony, Pham, Katherine A, Forrest, Brant, Tudor, Lukasz, Wojtas, Brian, Space, Michael J, Zaworotko   +7 more
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Fibrin Affinity and Clearance of t-PA Deletion and Substitution Analogues

Thrombosis and Haemostasis, 1990
SummaryTo investigate structure-function relationships in tissue-type plasminogen activator (t-PA) we deleted the following domains in the heavy chain: a) The epidermal growth factor domain (t-PA del. G), b) the finger domain, and the epidermal growth factor domain (t-PA del. FG), and c) the finger, the epidermal growth factor and Kr-ingle 1 (1-PA del,
M, Johannessen, V, Diness, K, Pingel, L C, Petersen, D, Rao, P, Lioubin, P, O'Hara, E, Mulvihill   +7 more
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Potential thyroliberin affinity labels. 1. Chloroacetyl-substituted phenylalanylpyrrolidines

Journal of Medicinal Chemistry, 1981
Six analogues of thyroliberin (TRH) that have a chloroacetyl substituent at the amino terminus have been prepared as potential affinity labels for the TRH receptor. These compounds are N-(chloroacetyl)-L-alanyl-L-phenylalanylpyrrolidine (ClAc-Ala-Phe-Pyrr; 14), N-[m-(chloroacetyl)benzoyl]-L-phenylalanylpyrrolidine (m-ClAcBz-Phe-Pyrr; 11a), N-[m ...
R J, Goebel, B L, Currie, C Y, Bowers
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The electron affinities of TCNE and TCNQ: the effect of silicon substitution

Structural Chemistry, 2018
The cyanocarbons tetracyanoethylene (TCNE) and tetracyanoquinodimethane (TCNQ) are important electron acceptors used in organic electronic applications. A common approach to enhancing their performance is by structural modification with previous studies focusing on substituting the cyano ligands or annular moiety.
Steven M. Maley, Crystal Esau, Robert C. Mawhinney   +2 more
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Relative electron affinities of substituted benzophenones, nitrobenzenes, and quinones

Journal of the American Chemical Society, 1985
On determine les affinites electroniques de 53 molecules en mesurant les constantes d'equilibre des reactions de transfert d'electron en phase gazeuse du type A −• +B=B −• +A. On utilise un spectrometre a resonance cyclotronique ionique pour generer, stocker et detecter les radicaux anioniques moleculaires a des pressions inferieures a 1×10 −5 ...
Elaine K. Fukuda, Robert T. McIver
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Modulation of antibody affinity by an engineered amino acid substitution.

The Journal of Immunology, 1995
Abstract The crystal model of the complex of the somatically mutated anti-p-azophenylarsonate (Ars) Ab 36-71 F(ab) with phenylarsonate reveals that six residues (Asn35, Trp47, Tyr50, Ser99, and Tyr106 in the H chain and Arg96 in the L chain) contact hapten.
Y W, Wong, P H, Kussie, B, Parhami-Seren, M N, Margolies   +3 more
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Curry-Style Explicit Substitutions for the Linear and Affine Lambda Calculus

2010
We introduce a calculus of explicit substitutions for the λ-calculus with linear, affine, and intuitionistic variables and meta-variables. Using a Curry-style formulation, we redesign and extend previously suggested type systems for linear explicit substitutions.
Schack-Nielsen, Anders, Schürmann, Carsten   +1 more
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Electron affinities of aza-substituted polycyclic aromatic hydrocarbons

Canadian Journal of Chemistry, 1989
Electron affinities for aza-substituted polycyclic aromatics were determined from measurements of electron transfer equilibria in the dilute gas phase with a pulsed electron high pressure mass spectrometer (PHPMS). These are (in kcal/mol): quinazoline (12.7), quinoxaline (15.8), cinnoline (16.0), acridine (20.3), benzo[c]cinnoline (20.6), pyrido[2,3-b]
Glen W. Dillow, P. Kebarle
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Correlations between the Basicity and Proton Affinity of Substituted Anilines

Journal of Structural Chemistry, 2001
The enthalpies and free energies of gas-phase proton affinity (PA) of aniline and 62 derivatives with different electron donor and electron acceptor substituents in the aromatic ring and at the nitrogen atom were calculated by the PM3 technique. Linear correlations between the shapes of pKa and PA have been found.
A. N. Pankratov, I. M. Uchaeva, S. Yu. Doronin, R. K. Chernova   +3 more
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Enhancement of electron affinity of benzocycloheptene-1,4,7-trione by substitution

Journal of the Chemical Society, Perkin Transactions 2, 1992
To obtain new efficient electron acceptors, three bromine-substituted benzocycloheptene-1,4,7-triones, 14, 15, 16, and 7-dicyanomethylene-7H-benzocycloheptene-1,4-dione 36 have been synthesized. The electron affinities of the bromine-substituted quinones were found to be raised considerably as the number of bromine atoms increased compared with the ...
Kimiaki Furuichi, Hitoshi Tada, Aki Kanehira, Mie Lee, Masahiko Kato, Masao Hashimoto, Shuji Matsumoto, Takayasu Maeda   +7 more
openaire   +1 more source