Results 21 to 30 of about 72,846 (301)

Polychlorinated Biphenyls in Food [PDF]

Environmental Science & Technology, 2020
We measured the concentrations of 205 polychlorinated biphenyl (PCB) congeners in 26 food items: beef steak, butter, canned tuna, catfish, cheese, eggs, french fries, fried chicken, ground beef, ground pork, hamburger, hot dog, ice cream, liver, luncheon meat, margarine, meat-free dinner, milk, pizza, poultry, salmon, sausage, shrimp, sliced ham ...
Panithi Saktrakulkla, Tuo Lan, Jason Hua, Rachel F. Marek, Peter S. Thorne, Keri C. Hornbuckle   +5 more
openaire   +2 more sources

Crystal structure of 5,5′-dibromo-3,3′-di-tert-butyl-6,6′-dimethylbiphenyl-2,2′-diol

Acta Crystallographica Section E: Crystallographic Communications, 2015
The whole molecule of the title compound, C22H28Br2O2, is generated by twofold rotation symmetry. The dihedral angle of the biphenyl moiety is 85.05 (11)°.
Rika Obata, Shigeru Ohba, Yasuaki Einaga, Shigeru Nishiyama   +3 more
doaj   +1 more source

Authentication of 4-chloro-2'-methoxy-biphenyl

, 2020
Authentication of 4-chloro-2'-methoxy-biphenyl by GC-MS. The purity (>99%) of the compound was determined based on relative peak area by GC-MS.
Hans-Joachim Lehmler (6641066), Ram Dhakal (6752456)   +1 more
core   +2 more sources

Biphenyls in Clusiaceae: Isolation, structure diversity, synthesis and bioactivity

Frontiers in Chemistry, 2022
Clusiaceae plants contain a wide range of biologically active metabolites that have gotten a lot of interest in recent decades. The chemical compositions of these plants have been demonstrated to have positive effects on a variety of ailments.
Youyi Wang, Qing Huang, Li Zhang, Changwu Zheng, Hongxi Xu   +4 more
doaj   +1 more source

Authentication of 4-chloro-3',4'-dihydroxy-biphenyl

, 2020
Authentication of 4-chloro-3',4'-dihydroxy-biphenyl by 1HNMR and 13CNMR.
Hans-Joachim Lehmler (6641066), Ram Dhakal (6752456)   +1 more
core   +1 more source

Role of Phase Stabilization and Surface Orientation in 4,4′-Biphenyl-Dicarboxylic Acid Self-Assembly and Transformation on Silver Substrates

, 2022
Molecular functionalization of nanoparticles and metallic substrates can be used to tune their properties for specific applications. However, polycrystalline substrates and nanoparticles exhibit surface planes with distinct crystallographic orientations.
Pavel Procházka (1364934), Jan Čechal (1768768), Tomáš Skála (1291509), Anton O. Makoveev (8877542), Matthias Blatnik (12737659), Lukáš Kormoš (3630739)   +5 more
core   +4 more sources

Authentication of 4-chloro-4'-hydroxy-biphenyl

, 2020
Authentication of 4-chloro-4'-hydroxy-biphenyl by 1H NMR, 13C NMR, and GC-MS. The title compound was synthesized by demethylation of 4-chloro-4'-methoxy-biphenyl.
Hans-Joachim Lehmler (6641066), Ram Dhakal (6752456)   +1 more
core   +1 more source

Authentication of 4-chloro-4'-methoxy-biphenyl

, 2020
Authentication of 4-chloro-4'-methoxy-biphenyl by GC-MS.
Hans-Joachim Lehmler (6641066), Ram Dhakal (6752456)   +1 more
core   +1 more source

Biphenyl-based liquid crystal precursors with alkanoate and hydroxyl group

, 2016
We synthesized a series of 4′-hydroxy-[1,1′-biphenyl]-4-yl alkanoate with a potentially reactive functional hydroxyl group as a LC precursor, which facilitates reaction with other chemical groups to tailor biphenyl-based liquid crystals (LCs) for ...
Keon-Soo Jang (572855)
core   +1 more source

Synthesis and structure of 4-bromo-2-chlorophenyl 4′-methoxy-[1,1′-biphenyl]-4-carboxylate featuring short halogen...oxygen contacts

Acta Crystallographica Section E: Crystallographic Communications
In the title compound, C20H14BrClO3, the dihedral angles between the aromatic ring of the 4-bromo-2-chlorophenyl and the immediate neighbour and second aromatic ring of the biphenyl moiety are 80.59 (2) and 75.42 (2)°, respectively.
B. S. Palakshamurthy, H. Anil Kumar, H. C. Devarajegowda, H.T. Srinivasa, M. Harish Kumar   +4 more
doaj   +1 more source