Modelling Annual Southern Appalachian Acorn Production Using Visual Surveys
Sign Up to like & getrecommendations! Published in 2020 at "Wildlife Society Bulletin"
DOI: 10.1002/wsb.1082
Abstract: Acorn production varies considerably among species, locations, and years with potential effects on populations of acorn‐consuming wildlife, oak (Quercus spp.) regeneration, and forest ecology. Methods to estimate annual acorn crop size include acorn‐trapping (quantitative) or… read more here.
Keywords: crown; number acorns; oak; acorn production ... See more keywords
A study of tree crown characteristics and their cooling effects in a subtropical city of Australia
Sign Up to like & getrecommendations! Published in 2020 at "Ecological Engineering"
DOI: 10.1016/j.ecoleng.2020.106027
Abstract: Abstract Trees have been found to have significant cooling effect on outdoor thermal environment. This study explores the characteristics of a tree component (crown) that accounts for a large portion of the cooling effect. A… read more here.
Keywords: crown characteristics; index; tree crown; crown ... See more keywords
Tree size and crown structure explain the presence of cavities required by wildlife in cool-temperate forests of South America
Sign Up to like & getrecommendations! Published in 2021 at "Forest Ecology and Management"
DOI: 10.1016/j.foreco.2021.119295
Abstract: Abstract Maintenance of tree cavity supply is a global conservation priority for forest wildlife, which requires understanding the ecology and population dynamics of cavity-bearing trees. Explaining the occurrence of cavities in trees is particularly important… read more here.
Keywords: decay cavities; presence; ecology; cavities trees ... See more keywords
Synthesis and cytotoxicity of novel γ-piperidone-containing dibenzo-1,7-diaza-14-crown-4 ethers
Sign Up to like & getrecommendations! Published in 2019 at "Mendeleev Communications"
DOI: 10.1016/j.mencom.2019.07.004
Abstract: For the development of new antitumor agents, novel dibenzo-1,7-diaza-14-crown-4 ethers containing γ-piperidone moiety were synthesized by a domino condensation of new podands, ketones and ammonium acetate. The crystal structure of one Ts of them was… read more here.
Keywords: crown ethers; synthesis cytotoxicity; dibenzo diaza; piperidone ... See more keywords
Computational study for the electrophilic reactivity prediction of crown ethers
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2021.117418
Abstract: Abstract Crown ethers are kinds of macrocyclic compounds with high selectivity to metal cations, which can be used as ion sensors, ion analytical reagents and ionophores for biological applications. The chemical reactivity of 1,8-dihydroxyl-4,4,5,5-tetramethylbenzo-14-crown-4 had… read more here.
Keywords: reactivity prediction; crown ethers; computational study; reactivity ... See more keywords
Plasticization behavior of crown-ether containing polyimide membranes for the separation of CO2
Sign Up to like & getrecommendations! Published in 2021 at "Separation and Purification Technology"
DOI: 10.1016/j.seppur.2020.117307
Abstract: Abstract This paper describes the influence of crown-ether ring size and rigidity on the gas separation performance of CO2/N2 and plasticization behavior of crown-ether containing Matrimid® 5218 polyimide membranes. The crown-ethers provide the membrane material… read more here.
Keywords: crown; crown ether; plasticization; gas ... See more keywords
2-D Heterometallic Pb-Iodoargentate Framework [PbAg2I6]n with a Diskoid [Pb(18-crown-6)]2+ Linker and Cocatalyst for Synergistically Enhanced Photocatalytic Properties via g-C3N4 Doping.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.1c03896
Abstract: The heterometallic Pb-iodoargentate hybrid [Pb(18-crown-6)(PbAg2I6)]n (1; 18-crown-6 = 1,4,7,10,13,16-hexaoxacyclooctadecane) was prepared via self-assembly of the tetrahedal AgI4 and octahedral PbI6 primary units using crown ether 18-crown-6 as an organic ligand in DMF solvent. The hybrid… read more here.
Keywords: crown; pbag2i6; heterometallic iodoargentate; c3n4 ... See more keywords
Thermodynamic Studies of Cation-Macrocycle Interactions in Nickel Pincer-Crown Ether Complexes Enable Switchable Ligation
Sign Up to like & getrecommendations! Published in 2017 at "Organometallics"
DOI: 10.1021/acs.organomet.7b00431
Abstract: The thermochemistry of cation–macrocycle interactions in nickel pincer complexes bearing a hemilabile aza-15-crown-5 or aza-18-crown-6 macrocycle is investigated and applied to cation-controlled reversible ligand binding. Cation–crown interactions were examined in a noncoordinating, low polarity solvent… read more here.
Keywords: cation; interactions nickel; cation macrocycle; crown ... See more keywords
Highly Diastereoselective Crown Ether Catalyzed Arylogous Michael Reaction of 3-Aryl Phthalides.
Sign Up to like & getrecommendations! Published in 2017 at "Organic letters"
DOI: 10.1021/acs.orglett.7b02113
Abstract: The first arylogous Michael reaction of 3-aryl phthalides has been developed. The reaction, promoted by catalytic amounts of KOH or K3PO4 and dibenzo-18-crown-6, affords the corresponding 3,3-disubstituted phthalides in good to high yields and as… read more here.
Keywords: crown; arylogous michael; aryl phthalides; michael reaction ... See more keywords
Efficient Diffusive Transport of Hot and Cold Excitons in Colloidal Type II CdSe/CdTe Core/Crown Nanoplatelet Heterostructures
Sign Up to like & getrecommendations! Published in 2017 at "ACS energy letters"
DOI: 10.1021/acsenergylett.6b00634
Abstract: Cadmium chalcogenide colloidal quantum wells or nanoplatelets (NPLs), a class of new materials with atomically precise thickness and quantum confinement energy, have shown great potential in optoelectronic applications. Short exciton lifetimes in two-dimensional (2D) NPLs… read more here.
Keywords: cdse cdte; crown; transport; type cdse ... See more keywords
An organometallic half-sandwich supramolecular complex {K(18-Crown-6)(ηn-C6H5B(C6H5)3)} (n = 1-6) exhibiting a reversible breaking-symmetry phase transition and switchable dielectric behaviour.
Sign Up to like & getrecommendations! Published in 2018 at "Dalton transactions"
DOI: 10.1039/c8dt04060e
Abstract: A supramolecular crystal, built from a 1 : 1 molar ratio of potassium tetraphenylboron (KBPh4) with 1,4,7,10,13,16-hexaoxacyclooctadecane (18-Crown-6), contains an organometallic half-sandwich superstructure unit {K(18-Crown-6)(ηn-C6H5B(C6H5)3)} (1 with n = 1-6), and shows a reversible phase transition at… read more here.
Keywords: phase; crown; phase transition; organometallic half ... See more keywords