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Relevant bibliographies by topics / Biphenyl compounds

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Academic literature on the topic 'Biphenyl compounds'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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Journal articles on the topic "Biphenyl compounds"

1

Layton, A. C., M. Muccini, M. M. Ghosh, and G. S. Sayler. "Construction of a Bioluminescent Reporter Strain To Detect Polychlorinated Biphenyls." Applied and Environmental Microbiology 64, no. 12 (1998): 5023–26. http://dx.doi.org/10.1128/aem.64.12.5023-5026.1998.

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ABSTRACT A bioluminescent reporter strain, Ralstonia eutrophaENV307(pUTK60), was constructed for the detection of polychlorinated biphenyls by inserting the biphenyl promoter upstream of the bioluminescence genes. In the presence of a nonionic surfactant, which enhances the solubility of chlorinated biphenyls, bioluminescence was induced three- to fourfold over background by biphenyl, monochlorinated biphenyls, and Aroclor 1242. The minimum detection limits for these compounds ranged from 0.15 mg/liter for 4-chlorobiphenyl to 1.5 mg/liter for Aroclor 1242.

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Gorbachev, Stanislav A., and yacheslav V. Zuev. "Synthesis and Mesomorphic Properties of Biphenyl Derivatives with Central Unit Based on 1,6-Hexamethylene Diisocyanate Oligomers." Liquid Crystals and their Application 22, no. 4 (2022): 27–36. http://dx.doi.org/10.18083/lcappl.2022.4.27.

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A number of compounds with biphenyl as a mesogenic fragment and a structure simulating LC dimers, polymers with mesogenic side chain groups and a star-shaped structure have been synthesized. An approach for the synthesis of such compounds under mild conditions and without a complex purification procedure with a quantitative yield, has been developed. The approach is the implementation of “click chemistry” methods for the synthesis of LC compounds. It has been shown that the LC state is observed only if there are three biphenyls in one molecule, i.e., the compounds appear to be similar to polye

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Chizzali, Cornelia, and Ludger Beerhues. "Phytoalexins of the Pyrinae: Biphenyls and dibenzofurans." Beilstein Journal of Organic Chemistry 8 (April 20, 2012): 613–20. http://dx.doi.org/10.3762/bjoc.8.68.

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Biphenyls and dibenzofurans are the phytoalexins of the Pyrinae, a subtribe of the plant family Rosaceae. The Pyrinae correspond to the long-recognized Maloideae. Economically valuable species of the Pyrinae are apples and pears. Biphenyls and dibenzofurans are formed de novo in response to infection by bacterial and fungal pathogens. The inducible defense compounds were also produced in cell suspension cultures after treatment with biotic and abiotic elicitors. The antimicrobial activity of the phytoalexins was demonstrated. To date, 10 biphenyls and 17 dibenzofurans were isolated from 14 of

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Şişman, T., F. Geyikoğlu, and M. Atamanalp. "Early life-stage toxicity in zebrafish (Danio rerio) following embryonal exposure to selected polychlorinated biphenyls." Toxicology and Industrial Health 23, no. 9 (2007): 529–36. http://dx.doi.org/10.1177/0748233708089042.

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Polychlorinated biphenyls are a widespread aquatic contaminant. In this article, specific polychlorinated biphenyl congeners were examined for embryo and early life-stage toxicity in zebrafish ( Danio rerio). A set of three polychlorinated biphenyl congeners (non-ortho polychlorinated biphenyl 126, mono-ortho polychlorinated biphenyl 28 and di-ortho polychlorinated biphenyl 153) were tested. The typical lesions observed were yolk sac edema, vertebra defect, craniofacial malformations (double head, triple retina), anaxial body and inhibition of swim bladder inflation. Moreover, embryo and larva

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Seeger, Michael, Beatriz Cámara, and Bernd Hofer. "Dehalogenation, Denitration, Dehydroxylation, and Angular Attack on Substituted Biphenyls and Related Compounds by a Biphenyl Dioxygenase." Journal of Bacteriology 183, no. 12 (2001): 3548–55. http://dx.doi.org/10.1128/jb.183.12.3548-3555.2001.

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ABSTRACT The attack by the bph-encoded biphenyl dioxygenase ofBurkholderia sp. strain LB400 on a number of symmetricalortho-substituted biphenyls or quasiortho-substituted biphenyl analogues has been investigated. 2,2′-Difluoro-, 2,2′-dibromo-, 2,2′-dinitro-, and 2,2′-dihydroxybiphenyl were accepted as substrates. Dioxygenation of all of these compounds showed a strong preference for the semisubstituted pair of vicinal ortho and metacarbons, leading to the formation of 2′-substituted 2,3-dihydroxybiphenyls by subsequent elimination of HX (X = F, Br, NO2, or OH). All of these products were furt

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Wang, Xing, Hao-Yu Fu, Wei He, et al. "Synthesis and Antibacterial Activity Evaluation of Biphenyl and Dibenzofuran Derivatives as Potential Antimicrobial Agents against Antibiotic-Resistant Bacteria." Current Issues in Molecular Biology 44, no. 9 (2022): 4087–99. http://dx.doi.org/10.3390/cimb44090280.

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The escalating prevalence of antibiotic-resistant bacteria has led to a serious global public health problem; therefore, there is an urgent need for the development of structurally innovative antibacterial agents. In our study, a series of biphenyl and dibenzofuran derivatives were designed and synthesized by Suzuki-coupling and demethylation reactions in moderate to excellent yields (51–94% yield). Eleven compounds exhibited potent antibacterial activities against the prevalent antibiotic-resistant Gram-positive and Gram-negative pathogens, among which compounds 4′-(trifluoromethyl)-[1,1′-bip

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7

Goldschmidt and P. Modderman. "Biphenyl derivatives II. Basic 4-Biphenyl compounds." Recueil des Travaux Chimiques des Pays-Bas 69, no. 9 (2010): 1109–17. http://dx.doi.org/10.1002/recl.19500690905.

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Maysoon T.Tawfiq. "Synthesis and characterization of some new heterocyclic compounds." Journal of the College of Basic Education 20, no. 86 (2023): 1031–48. http://dx.doi.org/10.35950/cbej.v20i86.9745.

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This work includes preparing of some new derivatives of pyrimidine ,pyrazolidine, and isoxazolidine from the reaction between tetraethyl 2,2' -(1E,1E' )- biphenyl ll-4, 4' -diylbis(diazene-1,2-diyl)dimalonate(1) and ammonia derivatives in dry ethanol to obtain the six membered hetero rings: 5,5'-(1E,1E') biphenyl-4,4'-diylbis (diazo-1,2-diyl)bis(2-mercaptopyrimidine-4,6-diol)(2) ; 5,5'-(1E,1E' ) biphenyl-4,4'-diylbis(diazo-1,2-diyl)dipyrimidine-2,4,6-triol(3);5,5'-(1E,1E')-biphenyl-4,4'-diylbis (diazo-1,2-diyl)bis(2-aminopyridine-4,6-diol)(4); and five membered hetero ring: 4,4' -(1E,1E')-biph

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Gesell, Manuela, Elke Hammer, Michael Specht, Wittko Francke, and Frieder Schauer. "Biotransformation of Biphenyl by Paecilomyces lilacinus and Characterization of Ring Cleavage Products." Applied and Environmental Microbiology 67, no. 4 (2001): 1551–57. http://dx.doi.org/10.1128/aem.67.4.1551-1557.2001.

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ABSTRACT We examined the pathway by which the fungicide biphenyl is metabolized in the imperfect fungus Paecilomyces lilacinus. The initial oxidation yielded the three monohydroxylated biphenyls. Further hydroxylation occurred on the first and the second aromatic ring systems, resulting in the formation of five di- and trihydroxylated metabolites. The fungus could cleave the aromatic structures, resulting in the transformation of biphenyl viaortho-substituted dihydroxybiphenyl to six-ring fission products. All compounds were characterized by gas chromatography-mass spectroscopy and proton nucl

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Parnell, J. Jacob, Joonhong Park, Vincent Denef, et al. "Coping with Polychlorinated Biphenyl (PCB) Toxicity: Physiological and Genome-Wide Responses of Burkholderia xenovorans LB400 to PCB-Mediated Stress." Applied and Environmental Microbiology 72, no. 10 (2006): 6607–14. http://dx.doi.org/10.1128/aem.01129-06.

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ABSTRACT The biodegradation of polychlorinated biphenyls (PCBs) relies on the ability of aerobic microorganisms such as Burkholderia xenovorans sp. LB400 to tolerate two potential modes of toxicity presented by PCB degradation: passive toxicity, as hydrophobic PCBs potentially disrupt membrane and protein function, and degradation-dependent toxicity from intermediates of incomplete degradation. We monitored the physiological characteristics and genome-wide expression patterns of LB400 in response to the presence of Aroclor 1242 (500 ppm) under low expression of the structural biphenyl pathway

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Dissertations / Theses on the topic "Biphenyl compounds"

1

Tuncel, van Pomeren Binnur. "Molecular complexes of 4,4'-dinitrobiphenyl." Pretoria : [s.n.], 2004. http://upetd.up.ac.za/thesis/available/etd-03132006-155913.

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Goswami, Debarghya. "Studies on some biphenyl benzoate based chiral liquid crystal compounds." Thesis, University of North Bengal, 2020. http://ir.nbu.ac.in/handle/123456789/4038.

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MacKinnon, Angus. "Diffraction and database analyses of photoactive biphenyl compounds and novel carbaborane structures." Thesis, Durham University, 1999. http://etheses.dur.ac.uk/4594/.

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The research involved in this thesis is mainly concerned with crystallography and the analysis using crystallographic techniques and methods. The work in this thesis is centered mainly on two types of chemical compounds, photoactive compounds and carbaboranes. The first is the photoactive compounds of biphenyl, its derivatives and similar compounds; these compounds have been studied by diffraction and database analysis. The photochemistry and subsequent structural analysis of biphenyls has been studied in collaboration with Professor Peter Wan at the University of Victoria, Canada. In this stu

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Iannarelli, Paul M. "Routes to novel azo compounds." Thesis, University of Edinburgh, 2008. http://hdl.handle.net/1842/3492.

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Routes to novel heterocyclic azo compounds and components of use as potential inkjet dyes were investigated. A new route to fluorenones from biphenyl acid chlorides using FVP (Flash Vacuum Pyrolysis) has been discovered. Fluorenone and 4-methylfluoren-9-one were prepared by FVP of 2-phenylbenzoyl chloride and 2-methylbiphenyl-2-carbonyl chloride respectively. Xanthen-9-one and thioxanthen-9-one were also prepared by FVP from the corresponding acid chlorides. 9-Phenanthrol could also be prepared via the FVP of biphenylacetyl choride and the application of this method to a heterocylic thiophene

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Abuelyaman, Ahmed Salih. "Synthesis and evaluation of fluorescent and biotinylated derivatives of diphenyl peptidylphosphonate esters and biotinylated isocoumarins as inhibitors of serine proteases." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/27556.

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Hahn, Soonkap. "Double hydrogen bonding of 1, 8-biphenylenediol with various bases /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487260531954656.

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Ahn, Kyunghye. "Double hydrogen bonding of 1,8-biphenylenediol and its derivatives /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487266691094261.

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8

Haske, Wojciech. "Photophysics of bis(diarylamino)biphenyl dyes adsorbed on silver nanoparticles." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34787.

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This dissertation investigates the photophysics of bis(diarylamino)biphenyl (TPD) and silver nanoparticles (AgNP). A main goal of this work was to develop an understanding of the relaxation pathways involved in the deactivation of photoexcited TPD chromophores in close proximity to silver nanoparticles. The TPD chromophores were attached to the silver nanoparticle core via an alkylthiol group. The TPD-AgNP systems were synthesized and characterized using Transmission Electron Microscopy (TEM), UV-visible absorption, infrared spectroscopy, and Nuclear Magnetic Resonance (NMR) spectroscopy, Indu

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9

Yang, Lei. "Combined Electrochemistry and Spectroscopy of Complexes and Supramolecules containing Bipyridyl and Other Azabiphenyl Building Blocks." Thesis, University of North Texas, 1995. https://digital.library.unt.edu/ark:/67531/metadc279396/.

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A group of azabiphenyl complexes and supramolecules, and their reduced and oxidized forms when possible, were characterized by cyclic voltammetry and electronic absorption spectroscopy. The oxidized and reduced species, if sufficiently stable, were further generated electrochemically inside a specially designed quartz cell with optically transparent electrode, so that the spectra of the electrochemically generated species could be taken in situ. Assignments were proposed for both parent and product electronic spectra. Species investigated included a range of Ru(II) and Pt(II) complexes, as wel

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Ehsan, Sadia. "Simultaneous mobilization of polychlorinated biphenyl compounds and heavy metals from a field contaminated soil." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=100355.

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A major factor complicating the cleanup at many sites is co-contamination by both organic compounds and heavy metals. Whereas much research has focused on the removal of either organic compounds or metals, relatively few studies have investigated simultaneous removal of organic and inorganic pollutants from soil.<br>The studies reported in this thesis have evaluated a novel technique for the simultaneous mobilization of polychlorinated biphenyl (PCB) compounds and heavy metals (HMs) from a field contaminated soil. Soil extraction with washing aids {surfactants/cyclodextrin in combination with

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Books on the topic "Biphenyl compounds"

1

A, Boehncke, United Nations Environment Programme, International Labour Organisation, World Health Organization, Inter-Organization Programme for the Sound Management of Chemicals., and International Program on Chemical Safety., eds. Biphenyl. World Health Organization, 1999.

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2

International Program on Chemical Safety., World Health Organization, United Nations Environment Programme, and International Labour Organisation, eds. Polybrominated biphenyls (PBBs) health and safety guide. World Health Organization, 1993.

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3

Lin, Shen. A field screening method for polychlorinated biphenyl compounds in water. Environmental Monitoring Systems Laboratory, 1994.

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4

International Council for the Exploration of the Sea., ed. Report on the results of the ICES/IOC/OSPARCOM intercomparison exercise on the analysis of chlorobiphenyl congeners in marine media--step 1, and the intercomparison study of the determination of CBs in Baltic herring oil. International Council for the Exploratio of the Sea, 1992.

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5

Lin, Shen. A field screening method for polychlorinated biphenyl compounds in water: Project summary. U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory, 1994.

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6

Rashidi-Ranjbar, Parviz. Conformational analysis and absolute configurations of eight-membered ring compounds containing the biphenyl chromophore. Chemical Center, Univ., 1989.

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7

Colman, John A. Geochemical data on concentrations of inorganic constituents and polychlorinated biphenyl congeners in streambed sediments in tributaries to Lake Champlain in New York, Vermont, and Quebec, 1992. U.S. Geological Survey, 1994.

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8

A, Jensen Allan, and Kimbrough Renate D, eds. Halogenated biphenyls, terphenyls, napthalenes, dibenzodioxins and related products. 2nd ed. Elsevier, 1989.

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9

1920-, Kuratsune Masanori, ed. Yusho: A human disaster caused by PCBs and related compounds. Kyushu University Press, 1996.

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10

Shepherd, Michael K. Cyclobutarenes: The chemistry of benzocyclobutene, biphenylene, and related compounds. Elsevier, 1991.

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Book chapters on the topic "Biphenyl compounds"

1

Pardasani, R. T., and P. Pardasani. "Magnetic properties of polychelate of oxovanadium(II) with Schiff-base 4,4′-bis[(N-phenylsalicylaldimine-5)azo]biphenyl." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 5. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65098-1_19.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of 4,4′-biphenyl-bridged dinuclear nickel(II) thiocyanato complex with 16-membered pentaaza macrocyclic ligand." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 5. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65098-1_336.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of polychelate of chromium(III) with Schiff-base 4,4′-bis[(N-phenylsalicylaldimine-5)azo]biphenyl." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 5. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65098-1_32.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of polychelate of iron(III) with Schiff-base 4,4′-bis[(N-phenylsalicylaldimine-5)azo]biphenyl." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 5. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65098-1_152.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of polychelate of titanium(III) with Schiff-base 4,4′-bis[(N-phenylsalicylaldimine-5)azo]biphenyl." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 5. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65098-1_3.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of polychelate of manganese(III) with Schiff-base 4,4′-bis[(N-phenylsalicylaldimine-5)azo]biphenyl." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 5. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65098-1_93.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of 4.4′-biphenyl-bridged dinuclear nickel(II) chloro complex with 16-membered pentaaza macrocyclic ligand." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 5. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65098-1_331.

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8

Carro-Díaz, Antonia María, and Rosa Antonia Lorenzo-Ferreira. "Polybrominated Biphenyls." In Analysis of Endocrine Disrupting Compounds in Food. Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781118346747.ch14.

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Pardasani, R. T., and P. Pardasani. "Effective magnetic moment of Mn2II, III (biphen)2(biphenH)(BiPy)2." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-23675-4_1286.

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de Boer, Jacob, Karin de Boer, and Jan P. Boon. "Polybrominated Biphenyls and Diphenylethers." In Volume 3 Anthropogenic Compounds Part K. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-48915-0_4.

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Conference papers on the topic "Biphenyl compounds"

1

Tsao, P. H., L. C. Chang, T. C. Chen, Chender Haung, and C. Z. Chen. "Investigation of the Lead-On-Chip Package’s Reliability." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1109.

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Abstract An assembly test chip (ATC), consisting of varieties of test structures, had been utilized to monitor the package integrity of SOJ lead-on-chip (LOC) packages after various reliability tests. Two different types of epoxy molding compounds, namely biphenyl and EOCN epoxies, were chosen to investigate their effects on package’s reliability. After the reliability tests, silicon chip crack was observed in three test samples due to the existence of a large chip backside chipping (−120 μm). Qualitative study about this failure mechanism was carried out by a finite element analysis, and it w

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2

Boeglin, Alex, Alain F. Fort, Loic Mager, Catherine Combellas, Andre Thiebault, and Vincent Rodriguez. "Tunability of optical nonlinear response through twisting of conjugation paths in push-pull biphenyl compounds." In International Symposium on Optical Science and Technology, edited by Manfred Eich and Mark G. Kuzyk. SPIE, 2001. http://dx.doi.org/10.1117/12.449850.

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Deeg, F. W., and M. D. Fayer. "Orientational Dynamics in Liquids and Nematogenic Substances: Transient Grating Optical Kerr Effect Investigations." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.thb3.

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With the advent of reliable ultrafast laser apparatus the observation of the rotational dynamics of small molecules in the time domain has become feasible. A polarization selective transient grating (TG) setup with subpicosecond resolution allows to discriminate the nuclear optical Kerr effect (OKE) with respect to other physical processes in the sample due to the different symmetry of the associated nonlinear susceptibility tensors χ(3) [1,2]. With this experimental approach we have studied the reorientational dynamics of neat biphenyl (BP) and pentylcyanobiphenyl (5CB) as well as solutions o

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4

Chelaru, Ciprian, Mădălina Ignat, Rodica Roxana Constantinescu, Ana-Maria Ciobanu, Denis Drușan, and Virginia Burghelea. "Decorative Plates from Epoxydic Composites." In The 9th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2022. http://dx.doi.org/10.24264/icams-2022.iv.2.

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Leather waste obtained in the leather industry represents a potential source of pollution for the environment, for plants and animals. The ecological treatment of this waste involves quite high costs and only companies with large production capacities can afford them. This paper proposes a method of transforming this waste into ash rich in chromium III and using it as a pigment (green), together with other substances, to obtain new materials. In this sense, it is proposed to use compounds that can incorporate and block the diffusion of the substances back into the environment. To achieve this,

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Skorić, Stefan, and Dušan Nikolić. "CONCENTRATIONS OF PESTICIDES AND PCBs IN THREE CYPRINID FISH SPECIES FROM THE MEDJUVRSJE RESERVOIR." In 53rd Annual Conference of the Serbian Water Pollution Control Society. SERBIAN WATER POLLUTION CONTROL SOCIETY, 2024. http://dx.doi.org/10.46793/voda24.155s.

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In 2016, during ichthyological research on the Medjuvršje reservoir, the content of 4 types of pesticides (aldrin, 4,4'-DDT, 4,4'-DDD, 4,4'-DDE) and 6 types of polychlorinated biphenyls (PCB - 28, 52) were analyzed. , 101, 138, 153, 180, as well as total PCBs) in the muscle tissue of three cyprinid fish species (chub, nase and roach) that have fishing importance and are used in human nutrition. The values of all analyzed compounds were below the values allowed by the national legislation, and therefore it can be considered safe consumption of thesefish species

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Lumley, P., E. W. Collington, P. Hallett, et al. "THE EFFECTS OF GR32191, A NEW THROMBOXANE RECEPTOR BLOCKING DRUG,ON PLATELETS AND VASCULAR SMOOTH MUSCLE IN VITRO." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643754.

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The effect of a new thromboxane receptor blocking drug GR32191 ([1R-[1α(Z),2β,3β,5α]]-(+)-7-[5-[[(1,1"-biphenyl)-4-yl]methoxy] -3-hydroxy-2-(l-piperidinyl)cyclopentyl]-4-heptenoic acid,hydrochloride) has been examined upon platelets and vascular smooth muscle. In human platelet-rich plasma (PRP), aggregation to thromboxane(Tx) A2, PGH2, arachidonic acid, collagen andU-46619 was antagonised by GR32191 (IC50 range 2-36 nM).Primary aggregation (PRP treated with aspirin 10 pM) to ADP, 5-HT and adrenaline were unaffected by concentrations of GR32191 up to 10 pM. In human PRP, U-46619-induced aggreg

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Reports on the topic "Biphenyl compounds"

1

Lotufo, Guilherme, Mandy Michalsen, Danny Reible, et al. Interlaboratory study of polyethylene and polydimethylsiloxane polymeric samplers for ex situ measurement of freely dissolved hydrophobic organic compounds in sediment porewater. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48512.

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We evaluated the precision and accuracy of multilaboratory measurements for determining freely dissolved concentrations (Cfree) of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) in sediment porewater using polydimethylsiloxane and low-density polyethylene polymeric samplers. Four laboratories exposed performance reference compound (PRC) preloaded polymers to actively mixed and static ex situ sediment for approximately one month or more. For Cfree results, intralaboratory precision was high for single compounds; most PAHs and PCBs variability was low. Variability w

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2

Patton, G. W., A. T. Cooper, and M. L. Blanton. Measurement and estimated health risks of volatile organic compounds and polychlorinated biphenyls in air at the Hanford Site. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10192466.

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