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Träfflista för sökning "AMNE:(NATURAL SCIENCES Chemical Sciences) srt2:(1995-2009)"

Sökning: AMNE:(NATURAL SCIENCES Chemical Sciences) > (1995-2009)

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Numrering	Referens	Omslagsbild	Hitta
1.	Arrhenius, Åsa, 1973, et al. (författare) Mixture toxicity of 180 binary combinations of seven different antifouling agents to microbial communities - synergistic, additivite or antagonistic effects? 2009 Ingår i: the SETAC Europe 19th Annual Meeting in Göteborg May until 4 June 2009, Göteborg, Sweden (oral presentation). Konferensbidrag (refereegranskat)
2.	Drost, W., et al. (författare) Sequential exposure to binary mixtures of copper, diuron and alachlor - Toxicity studies with Lemna minor 2009 Ingår i: SETAC Europe Annual Conference 2009, Gothenburg. Konferensbidrag (övrigt vetenskapligt/konstnärligt)
3.	Gallego-Urrea, Julian A., 1977, et al. (författare) Analysis of behavior and toxicity to Pseudokirchneriella subcapitata of Titanium Dioxide nanoparticles 2009 Ingår i: 4th International Conference on the Environmental Effects of Nanoparticles and Nanomaterials. Vienna, Austria, September 2009. Konferensbidrag (övrigt vetenskapligt/konstnärligt)
4.	Hassellöv, Martin, 1970, et al. (författare) REACH missar nano! 2009 Ingår i: Miljöforskning. ; 2009:3-4 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
5.	Hassold, Enken, et al. (författare) Effects of potential EDC’s on Reproductive Parameters and Molting of the Freshwater Crustacean Daphnia magna 2005 Ingår i: SETAC Europe Annual Meeting, Lille, France, 2005. Konferensbidrag (övrigt vetenskapligt/konstnärligt)
6.	Karlsson, Maja, et al. (författare) A comparison of algae toxicity in periphyton communities and algal monocultures exposed to two sterol inhibitors 2009 Ingår i: SETAC Europe Annual Conference 2009, Gothenburg. Konferensbidrag (övrigt vetenskapligt/konstnärligt)
7.	Mamontov, Eugen, 1955, et al. (författare) Mathematical models and numerical simulation results for oncogeny: Specific problems and different tools for various user communities 2008 Ingår i: Abstracts Booklet. CancerSim2008 — Euroconference on Modelling and Simulation of Cancer Growth and Therapy, 19-21 May, Turin, Italy; N. Bellomo and G. Forni (Chairmen) http://www.cancersim2008.org. Konferensbidrag (refereegranskat)
8.	Backhaus, Thomas, 1967, et al. (författare) Joint algal toxicity of phenylurea herbicides is equally predictable by concentration addition and independent action. 2004 Ingår i: Environmental toxicology and chemistry / SETAC. - 0730-7268. ; 23:2, s. 258-64 Tidskriftsartikel (refereegranskat)abstract Photosynthesis-inhibiting phenylurea derivatives, such as diuron, are widely used as herbicides. Diuron concentrations clearly exceeding the predicted-no-effect concentration have been regularly measured in European freshwater systems. The frequently observed exposure to mixtures of phenylureas additionally increases the hazard to aquatic primary producers. Fluctuating numbers and concentrations of individual toxicants make experimental testing of every potential mixture unfeasible. Thus, predictive approaches to the mixture hazard assessment are needed. For this purpose, two concepts are at hand, both of which make use of known toxicities of the individual components but are based on opposite mechanistic suppositions: Concentration addition is based on the idea of similar mechanisms of action, whereas independent action assumes dissimilarly acting mixture components. On the basis of pharmacological reasoning, it was therefore anticipated that the joint algal toxicity of phenylurea mixtures would be predictable by concentration addition. Indeed, we could demonstrate a high predictive power of concentration addition for these combinations. Surprisingly, however, the opposite concept of independent action proved to be equally valid, because both concepts predicted virtually identical mixture toxicities. This exceptional case has previously been derived from theoretical considerations. Now, the tested phenylurea mixtures serve as an example for the practical relevance of this situation for multicomponent mixtures.
9.	Dunér, Gunnar, et al. (författare) Surface-confined photopolymerization of pH-responsive acrylamide/acrylate brushes on polymer thin films 2008 Ingår i: Langmuir. - : American Chemical Society (ACS). - 0743-7463 .- 1520-5827. ; 24:14, s. 7559-7564 Tidskriftsartikel (refereegranskat)abstract Dynamic acrylamide/acrylate polymeric brushes were synthesized at gold-plated quartz crystal surfaces. The crystals were initially coated with polystyrene-type thin films, derivatized with photolabile iniferter groups, and subsequently subjected to photoinitiated polymerization in acrylamide/acrylate monomer feeds. This surface-confined polymerization method enabled direct photocontrol over the polymerization, as followed by increased frequency responses of the crystal oscillations in a quartz crystal microbalance (QCM). The produced polymer layers were also found to be highly sensitive to external acid/base stimuli. Large oscillation frequency shifts were detected when the brushes were exposed to buffer solutions of different pH. The dynamic behavior of the resulting polymeric brushes was evaluated, and the extent of expansion and contraction of the films was monitored by the QCM setup in situ in real time. The resulting responses were rapid, and the effects were fully reversible. Low pH resulted in full contractions of the films, whereas higher pH yielded maximal expansion in order to minimize repulsion around the charged acrylate centers. The surfaces also proved to be very robust because the responsiveness was reproducible over many cycles of repeated expansion and contraction. Using ellipsometry, copolymer layers were estimated to be similar to 220 nm in a collapsed state and similar to 340 nm in the expanded state, effectively increasing the thickness of the film by 55%.
10.	Swerin, Agne, et al. (författare) Probing molecular, nanoscale and adhesive forces related to fiber-fiber bonding and optimized surface interactions 2009 Ingår i: International Conference on Nanotechnology for the Forest Products Industry 2009. - Edmonton Canada. - 9781615679812 ; , s. 229-283 Konferensbidrag (refereegranskat)

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