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2321“…We found that electron-withdrawing substituents increased the potential, while electron-donating decreased it, in agreement with expectations. …”
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2322por Jezuita, Anna, Wieczorkiewicz, Paweł Andrzej, Szatylowicz, Halina, Krygowski, Tadeusz Marek“…The proximity effects are even more significant for the NH(2) group, as the solvation may increase or decrease its electron-donating ability, depending on the type of proximity.…”
Publicado 2021
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2323“…In our study, we find that while similarities between these segments exist along demographic factors and donation behaviour (e.g., frequency of donating), important distinctions exist along motivational factors, thereby suggesting differentiated promotion messaging. …”
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2324“…The structure contains two Co(II) centres with different octahedral environments, [Co(1)N(3)O(3)] and [Co(2)N(2)O(4)]. The O-donating 3-chlorobenzoate anions (3-Clbenz) act as the terminal ligands, while the N-donating 4,4′-bipy molecules play the role of linkers. …”
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2325“…In summary, the introduction of an electron-donating group -NH(2) can promote the ESIPT reaction of DMA3HF, without changing the photophysical properties, while introducing the electron-withdrawing group -CN can greatly improve the absorption of DMA3HF in the ultraviolet band, but hinders the occurrence of the ESIPT reaction.…”
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2326por Biswas, Sourav, Das, Anish Kumar, Manna, Surya Sekhar, Pathak, Biswarup, Mandal, Sukhendu“…In addition to this, the incorporation of electron-donating peripheral motif units modulates the frontier molecular arrangement that helps in attaining the synergy which would ultimately turn on the room-temperature emission properties. …”
Publicado 2022
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2327DFT Study on Corrosion Inhibition by Tetrazole Derivatives: Investigation of the Substitution Effect“…These compounds have electron-donating groups (CH(3), CH(3)O, and OH) and electron-withdrawing groups (F, CN, and NO(2)). …”
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2328por Muerdter, Claire P., Powers, Megan M., Webb, Danielle T., Chowdhury, Sraboni, Roach, Kaitlyn E., LeFevre, Gregory H.“…The greatest plant uptake rates occurred with an electron-withdrawing functional group at the 2 position; however, uptake was still observed with an electron-donating group. An electron-donating group at the 1 position significantly slowed uptake for both benzimidazole- and benzotriazole-based molecules used in this study, indicating possible steric effects. …”
Publicado 2023
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2329por Tan, Daopeng, Wang, Jianmei, Wang, Xianting, Qin, Lin, Du, Yimei, Zhao, Changkuo, Liu, Peijun, Zhang, Qianru, Ma, Feifei, Xie, Jian, Wu, Di, He, Yuqi“…The structure-activity relationship showed that the strength of PTP1B inhibitory activity was mainly related to the electron-donating group on its side chain. Molecular docking analysis suggested that its mechanism may be due to the formation of competitive hydrogen bonding between the electron-donating moiety and the Asp48 amino acid residues on the PTP1B protein.…”
Publicado 2023
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2330por Garza-Ortiz, Ariadna, Camacho-Camacho, Carlos, Sainz-Espuñes, Teresita, Rojas-Oviedo, Irma, Gutiérrez-Lucas, Luis Raúl, Gutierrez Carrillo, Atilano, Vera Ramirez, Marco A.“…The second structure is spectroscopically described as a tetrahedral tin complex with four donating atoms (one oxygen atom coordinated to the metal and three carbon atoms belonging to the alkyl or aryl substituents), with one molecule of ligand attached. …”
Publicado 2013
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2331por Zhu, Huaning, Li, Meng, Hu, Jiangpu, Wang, Xian, Jie, Jialong, Guo, Qianjin, Chen, Chuanfeng, Xia, Andong“…We report the excited-state intramolecular charge transfer (ICT) characteristics of four tetrahydro[5] helicene-based imide (THHBI) derivatives with various electron-donating substitutes in different polarity of solvents using steady-state, time-resolved transient absorption (TA) spectroscopy. …”
Publicado 2016
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2332“…By introducing electron-withdrawing/-donating groups, e.g. electron-withdrawing perfluorophenyl, at all meso positions of the porphyrin rings, the catalysis overpotential, η was minimized by ≈0.3 V compared to that obtained by introducing electron-donating mesityl groups. …”
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2333por Ferraz de Paiva, Raphael Enoque, Nakahata, Douglas Hideki, de Carvalho, Marcos Alberto, Rodrigues Goulart Bergamini, Fernando, Corbi, Pedro Paulo“…It is demonstrated here that tridentate imine ligands can control the nuclearity of copper(II) complexes based on the donor atoms present in the ligand. The N,N′,N′′-donating imine ligand led to a mononuclear compound, namely dichlorido[N,N-dimethyl-N′-(pyridin-2-ylmethylidene)ethane-1,2-diamine]copper(II) monohydrate, [CuCl(2)(C(10)H(15)N(3))]·H(2)O, 1, while the N,N′,O-donating imine ligand produced a binuclear metal complex, namely μ(2)-chlorido-dichlorido(μ(2)-2-{[2-(dimethylamino)ethyl]iminomethyl}phenolato)(N,N-dimethylethylenediamine)dicopper(II) 0.11-hydrate, [Cu(2)(C(11)H(15)N(2)O)Cl(3)(C(4)H(12)N(2))]·0.11H(2)O, 2. …”
Publicado 2017
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2334“…It is lightweight, added in low amounts to regolith simulant, and efficiently donates enough oxygen throughout the volume of hydrated regolith simulant to fully support seed germination and plant growth. …”
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2335por Guzmán-Ávila, Ricardo, Avelar, Mayra, Márquez, Edgar A., Rivera-Leyva, Julio C., Mora, José R., Flores-Morales, Virginia, Rivera-Islas, Jesús“…Molecular descriptors such as electronic distribution, the total charge accepting/donating capacity (I/A), and the partial charge accepting/donating capacity (ω(+)/ω(−)) were calculated to analyze the relative donor-acceptor capacity through employing a donor acceptor map (DAM). …”
Publicado 2021
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2336“…Our results show that the HOMO–LUMO gap is sensibly lowered by donating groups and we found that the substitution of the hydrogen with −NH(2), and −F gives an energy gap lower than the energy gap of P3MT. …”
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2337“…In this work, three rhodamine-derived chemosensors modified by different lengths of alkyl chains having electron-donating N and O atoms were synthesized and explored for the selective optical sensing of Fe(III). …”
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2338“…Participants who performed better showed a higher tendency to act proactively for nature conservation, for instance donating money to NGOs. ABSTRACT: Knowledge of species is the basis for involvement in biodiversity awareness and protection. …”
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2339por Dey, Bijoy, Mehta, Sakshi, Mondal, Abhishake, Cirera, Jordi, Colacio, Enrique, Chandrasekhar, Vadapalli“…[Image: see text] We have explored the impact of electron-donating (methoxy) and electron-withdrawing (nitro) substituents on SalEen ligand based spin crossover (SCO) behavior of Fe(III) complexes. …”
Publicado 2022
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2340“…The study looked at two cases of charitable giving: (1) intention to donate to a non-government COVID-19 vaccination program, and (2) food donation to a community pantry. …”
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