Academic literature on the topic 'Dimethylsulphide'

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Journal articles on the topic "Dimethylsulphide"

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Simo, Rafel, Joan O. Grimalt, and Joan Albaigés. "Dissolved dimethylsulphide, dimethylsulphoniopropionate and dimethylsulphoxide in western Mediterranean waters." Deep Sea Research Part II: Topical Studies in Oceanography 44, no. 3-4 (1997): 929–50. http://dx.doi.org/10.1016/s0967-0645(96)00099-9.

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Uher, Günther, J. Julian Pillans, Angela D. Hatton, and Robert C. Upstill-Goddard. "Photochemical oxidation of dimethylsulphide to dimethylsulphoxide in estuarine and coastal waters." Chemosphere 186 (November 2017): 805–16. http://dx.doi.org/10.1016/j.chemosphere.2017.08.050.

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Bouillon, René-Christian, Peter A. Lee, Stephen J. de Mora, Maurice Levasseur, and Connie Lovejoy. "Vernal distribution of dimethylsulphide, dimethylsulphoniopropionate, and dimethylsulphoxide in the North Water in 1998." Deep Sea Research Part II: Topical Studies in Oceanography 49, no. 22-23 (January 2002): 5171–89. http://dx.doi.org/10.1016/s0967-0645(02)00184-4.

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Kwint, RLJ, and KJM Kramer. "Dimethylsulphide production by plankton communities." Marine Ecology Progress Series 121 (1995): 227–37. http://dx.doi.org/10.3354/meps121227.

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Buckley, Fiona S. E., and Stephen M. Mudge. "Dimethylsulphide and ocean–atmosphere interactions." Chemistry and Ecology 20, no. 2 (April 2004): 73–95. http://dx.doi.org/10.1080/02757540410001670209.

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Shooter, David, and Peter Brimblecombe. "Dimethylsulphide oxidation in the ocean." Deep Sea Research Part A. Oceanographic Research Papers 36, no. 4 (April 1989): 577–85. http://dx.doi.org/10.1016/0198-0149(89)90007-1.

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SMITH, ANDREW T., ROBERT C. BRAY, ALASTAIR G. McEWAN, ALAN S. McALPINE, and SUE BAILEY. "Stopped-flow studies on dimethylsulphoxide reductase from Rhodobacter capsulatus: kinetic competence of the dimethylsulphide-reduced intermediate." Biochemical Society Transactions 26, no. 3 (August 1, 1998): S211. http://dx.doi.org/10.1042/bst026s211.

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ŠUSTA, J., and P. HAVLOVÁ. "A Study of Dimethylsulphide Formation During Malting." Kvasny Prumysl 42, no. 11 (November 1, 1996): 346–49. http://dx.doi.org/10.18832/kp1996027.

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Brimblecombe, Peter, and David Shooter. "Photo-oxidation of dimethylsulphide in aqueous solution." Marine Chemistry 19, no. 4 (September 1986): 343–53. http://dx.doi.org/10.1016/0304-4203(86)90055-1.

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Cropp, Roger A., John Norbury, Albert J. Gabric, and Roger D. Braddock. "Modeling dimethylsulphide production in the upper ocean." Global Biogeochemical Cycles 18, no. 3 (July 27, 2004): n/a. http://dx.doi.org/10.1029/2003gb002126.

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Dissertations / Theses on the topic "Dimethylsulphide"

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Watts, Matthew Charles. "Lagrangian modelling of the marine nitrogen and sulphur cycles." Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302076.

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McKee, Conor Michael. "Biogeochemical cycles of ammonia and dimethylsulphide in the marine environment." Thesis, University of East Anglia, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368388.

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Russell, Duncan William. "The measurement of dimethylsulphide precursors in marine and terrestrial flora." Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242458.

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Lewis, Nicola Dawn. "Modelling the infochemical role of dimethylsulphide in pelagic multitrophic interactions." Thesis, University of Essex, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.654526.

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Dimethylsulphide (DMS) is a climate-relevant trace gas derived from the algal secondary metabolite dimethylsulphoniopropionate (DMSP). DMS and DMSP have been shown to act as infochemicals (information-conveying chemicals) for a variety of organisms over a wide range of spatial and temporal scales. Grazing by microzooplankton increases the production of DMS, which in turn may act as an infochemical cue to attract carnivorous copepods that preferentially prey on herbivorous microzooplankton. This extra copepod predation on microzooplankton could release excessive grazing pressure on phytoplankton. Such infochemical-mediated multitrophic interactions are poorly understood in pelagic systems, but may be important for the structuring and functioning of marine food webs. Experimenting with several trophic levels of plankton in laboratory microcosms is challenging and, as a result, empirical data confirming the roles of DMS and DMSP in trophic interactions is lacking. Mathematical models provide a suitable tool to gain insight into such complex interactions. The mathematical models analysed in this thesis show DMS-mediated interactions to have a stabilising effect on food web dynamics and to promote the formation of phytoplankton blooms. Food web models with two species of phytoplankton constituting the first trophic level were analysed. The key result of this analysis was that chemoattractants, which increase the susceptibility of the producer to grazing, enhance the persistence of the producing phytoplankton species by attracting carnivorous copepods to consume microzooplankton grazers. Analysis of a Nutrient-Phytoplankton-Microzooplankton-Zooplankton (NPMZ) model showed the ability of phytoplankton to bloom to be a combination of both top-down (DMS-mediated predation) and bottom-up (nutrient limitation) processes. Analysis of a model simulating these interactions in a vertically heterogeneous environment showed foraging through chemodetection to provide fitness benefits to copepods and to enhance copepod persistence. Overall the results presented indicate that infochemicals have important consequences for the dynamics of marine food webs
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Bell, Thomas G. "Dimethylsulphide and ammonia in remote marine regions : an Atlantic meridional transect study." Thesis, University of East Anglia, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.435128.

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Fernandes, Michelle. "The influence of stress conditions on intracellular dimethylsulphoniopropionate (DMSP) and dimethylsulphide (DMS) release in Emiliania huxleyi." Thesis, University of East Anglia, 2012. https://ueaeprints.uea.ac.uk/39450/.

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Cropp, Roger Allan, and R. Cropp@griffith edu au. "A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide." Griffith University. Australian School of Environmental Studies, 2003. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20030703.101310.

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The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the production and ventilation to the atmosphere of dimethylsulphide (DMS), a by-product of phytoplankton metabolism. Once in the atmosphere DMS contributes to the formation of cloud condensation nuclei, and increases the amount and brightness of cloud. This affects the albedo of the planet, reflecting more incident sunlight back into space, and cooling the earth. In common with many other 'hypotheses' regarding complex adaptive systems, the hypothesis proposed by Charlson et al (1987) is not experimentally testable. The production and ventilation to the atmosphere of DMS is the result of complex interactions between biological, chemical and physical processes. Consequently, increasing use is being made of mathematical models that simulate these processes to advance understanding of it (Archer et al. 2002). This study examines one of the fundamental mechanisms proposed by the Charlson et al (1987) hypothesis, that increasing global temperatures will lead to increased ventilation of DMS from the ocean to the atmosphere. The study develops one-dimensional biogeochemical models of DMS production by upper ocean ecosystems, based on the model proposed by Gabric et al. (1993b). The models are examined to elucidate their fundamental mathematical properties, and are subjected to sensitivity analysis to identify important processes and parameters. These investigations identify a simpler model that can reproduce the predictions of the Gabric et al. (1993b) model. Predictions derived from model simulations forced by climatologies of measured physical data are compared to a global database of measurements of sea surface DMS concentrations, and to observed depth profiles of DMS in the upper ocean. These comparisons confirm that all models are in good qualitative agreement with measured data. The fifteen global climate prediction models currently in use around the globe all predict substantial warming effects from the ventilation of anthropogenic carbon dioxide to the atmosphere. A simplified DMS model is calibrated to climatologies of Antarctic chlorophyll and DMS data and reproduces the data with great precision. The calibrated model is applied in global warming scenarios to 'test' the efficacy of the mechanism proposed by the Charlson et al (1987) hypothesis. This simulation provides evidence that the response predicted by the hypothesis is indeed feasible, and that substantial increases (up to 45%) in the ventilation of DMS to the atmosphere could be possible in some circumstances. The results of the modelling study provide impetus for further examination of field data. If couplings between marine biota and atmosphere are feasible, then they may be operating contemporarily, and may be detectable. Atmospheric DMS is oxidised to form aerosols (Miller et al. 2002) that influence the aerosol optical depth of the atmosphere. Archives of remote sensed ocean chlorophyll a concentration and aerosol optical depth are examined for evidence of the biologically mediated couplings. A clear coupling between aeolian dust and marine phytoplankton is evident from this analysis, suggesting that the deposition of dust from the atmosphere is a major factor controlling phytoplankton growth in many parts of the ocean. A second coupling between marine phytoplankton and atmospheric aerosols is also detected. This coupling is apparently not related to dust and is symmetrical about the equator, despite the substantial differences in the atmospheres and oceans of each hemisphere. It is speculated that this coupling may reflect the influence of the ventilation of DMS produced by marine phytoplankton on the atmosphere. This thesis provides new evidence supporting the important role of marine ecosystems in global climate regulation by the production of DMS. This evidence is principally obtained from a biogeochemical modelling approach, but is supported by analyses of empirical data. The concordance of results obtained from different approaches suggests that the contribution of marine ecosystems to global climate regulation is real, important and currently active.
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Cropp, Roger Allan. "A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide." Thesis, Griffith University, 2003. http://hdl.handle.net/10072/367734.

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Abstract:
The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the production and ventilation to the atmosphere of dimethylsulphide (DMS), a by-product of phytoplankton metabolism. Once in the atmosphere DMS contributes to the formation of cloud condensation nuclei, and increases the amount and brightness of cloud. This affects the albedo of the planet, reflecting more incident sunlight back into space, and cooling the earth. In common with many other 'hypotheses' regarding complex adaptive systems, the hypothesis proposed by Charlson et al (1987) is not experimentally testable. The production and ventilation to the atmosphere of DMS is the result of complex interactions between biological, chemical and physical processes. Consequently, increasing use is being made of mathematical models that simulate these processes to advance understanding of it (Archer et al. 2002). This study examines one of the fundamental mechanisms proposed by the Charlson et al (1987) hypothesis, that increasing global temperatures will lead to increased ventilation of DMS from the ocean to the atmosphere. The study develops one-dimensional biogeochemical models of DMS production by upper ocean ecosystems, based on the model proposed by Gabric et al. (1993b). The models are examined to elucidate their fundamental mathematical properties, and are subjected to sensitivity analysis to identify important processes and parameters. These investigations identify a simpler model that can reproduce the predictions of the Gabric et al. (1993b) model. Predictions derived from model simulations forced by climatologies of measured physical data are compared to a global database of measurements of sea surface DMS concentrations, and to observed depth profiles of DMS in the upper ocean. These comparisons confirm that all models are in good qualitative agreement with measured data. The fifteen global climate prediction models currently in use around the globe all predict substantial warming effects from the ventilation of anthropogenic carbon dioxide to the atmosphere. A simplified DMS model is calibrated to climatologies of Antarctic chlorophyll and DMS data and reproduces the data with great precision. The calibrated model is applied in global warming scenarios to 'test' the efficacy of the mechanism proposed by the Charlson et al (1987) hypothesis. This simulation provides evidence that the response predicted by the hypothesis is indeed feasible, and that substantial increases (up to 45%) in the ventilation of DMS to the atmosphere could be possible in some circumstances. The results of the modelling study provide impetus for further examination of field data. If couplings between marine biota and atmosphere are feasible, then they may be operating contemporarily, and may be detectable. Atmospheric DMS is oxidised to form aerosols (Miller et al. 2002) that influence the aerosol optical depth of the atmosphere. Archives of remote sensed ocean chlorophyll a concentration and aerosol optical depth are examined for evidence of the biologically mediated couplings. A clear coupling between aeolian dust and marine phytoplankton is evident from this analysis, suggesting that the deposition of dust from the atmosphere is a major factor controlling phytoplankton growth in many parts of the ocean. A second coupling between marine phytoplankton and atmospheric aerosols is also detected. This coupling is apparently not related to dust and is symmetrical about the equator, despite the substantial differences in the atmospheres and oceans of each hemisphere. It is speculated that this coupling may reflect the influence of the ventilation of DMS produced by marine phytoplankton on the atmosphere. This thesis provides new evidence supporting the important role of marine ecosystems in global climate regulation by the production of DMS. This evidence is principally obtained from a biogeochemical modelling approach, but is supported by analyses of empirical data. The concordance of results obtained from different approaches suggests that the contribution of marine ecosystems to global climate regulation is real, important and currently active.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Australian School of Environmental Studies
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Hatton, Angela. "Dimethylsulphoxide in seawater." Thesis, University of East Anglia, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296563.

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Khan, Z. U. "Dimethylsulphoxide and skin permeation." Thesis, Cardiff University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383119.

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Books on the topic "Dimethylsulphide"

1

Restelli, Giambattista, and Giovanni Angeletti, eds. Dimethylsulphide: Oceans, Atmosphere and Climate. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3.

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(Editor), G. Restelli, and G. Angeletti (Editor), eds. Dimethylsulphide: Oceans, Atmosphere and Climate (1992) (Air Poll). Springer, 1993.

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G, Restelli, Angeletti G. 1943-, Commission of the European Communities., and Danish Centre for Atmospheric Research., eds. Dimethylsulphide: Oceans, atmosphere, and climate : proceedings of the international symposium held in Belgirate, Italy, 13-15 October 1992. Dordrecht: Kluwer Academic, 1993.

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Restelli, G., and G. Angeletti. Dimethylsulphide - Oceans, Atmosphere and Climate: Proceedings of the International Symposium Held in Belgirate, Italy, 13-15 October 1992. Springer, 2010.

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Akhter, Sheikh Akeel. Drug penetration and enhancement through human skin: Influence of possible penetration enhancers (eg. dimethylsulphoxide, dimethylformamide, pyrrolidones, oleic acid, azone and dimethylisosorbide) on phenylalkanoid acic, octanol and mannitol diffusion through cadaver skin : drug film and pseudo-steady state experiments. Bradford, 1985.

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Book chapters on the topic "Dimethylsulphide"

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Harvey, M. J., D. J. Wylie, R. J. Martin, T. S. Clarkson, and S. J. De Mora. "Dimethylsulphide Measurements at Baring Head, New Zealand." In Dimethylsulphide: Oceans, Atmosphere and Climate, 143–51. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_15.

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Liss, P. S., G. Malin, and S. M. Turner. "Production of DMS by Marine Phytoplankton." In Dimethylsulphide: Oceans, Atmosphere and Climate, 1–14. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_1.

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Wylie, D. J., M. J. Harvey, S. J. de Mora, I. S. Boyd, and J. B. Liley. "Dimethylsulfide and Aerosol Measurements at Ross Island, Antarctica." In Dimethylsulphide: Oceans, Atmosphere and Climate, 85–94. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_10.

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Staubes, Regina, and Hans-Walter Georgii. "Measurements of Atmospheric and Seawater DMS Concentrations in the Atlantic, the Arctic and Antarctic Region." In Dimethylsulphide: Oceans, Atmosphere and Climate, 95–102. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_11.

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Leck, C., D. Nilsson, C. Persson, K. Bigg, and D. C. Covert. "Biogenic Sulphur in the Marine Boundary Layer of the Arctic- the International Arctic Ocean Expedition, 1991." In Dimethylsulphide: Oceans, Atmosphere and Climate, 103–15. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_12.

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Gillett, R. W., G. P. Ayers, J. P. Ivey, and J. L. Gras. "Measurement of Dimethyl Sulfide, Sulfur Dioxide, Methane Sulfonic Acid and Non Sea Salt Sulfate at the Cape Grim Baseline Station." In Dimethylsulphide: Oceans, Atmosphere and Climate, 117–28. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_13.

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Luce, C., S. Pashalidis, R. Girard, P. Carlier, and J. Morelli. "Characterization of Parameters Controlling Atmospheric Concentrations of Biogenic Dimethylsulphide Near a Coastal Algae Field." In Dimethylsulphide: Oceans, Atmosphere and Climate, 129–41. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_14.

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Udisti, R., F. Casella, and G. Piccardi. "The Role of Methanesulphonic Acid in Snow Samples from Terra Nova Bay (Antarctica)." In Dimethylsulphide: Oceans, Atmosphere and Climate, 153–62. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_16.

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Boniforti, R., P. Emaldi, R. Ferraroli, M. Maspero, R. Nair, and A. Novo. "Preliminary Data on DMS Concentration in Seawater Samples Collected from the La Spezia Gulf (Ligurian Sea)." In Dimethylsulphide: Oceans, Atmosphere and Climate, 163–72. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_17.

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Simó, R., R. De Wit, J. O. Grimalt, and J. Albaigés. "Dimethylsulphide and Other Volatile Organic Sulphur Compounds in Some Neglected Ecosystems: A Study in Evaporitic Environments and in Sulphate-Rich Karstic Lakes." In Dimethylsulphide: Oceans, Atmosphere and Climate, 173–81. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1261-3_18.

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Conference papers on the topic "Dimethylsulphide"

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Jumabaev, A., F. H. Tukhvatullin, U. N. Tashkenbaev, and Z. Mamatov. "Raman spectra of S=O vibrations of dimethylsulphoxide in liquid state." In International Symposium on Optical Science and Technology, edited by David L. Andrews. SPIE, 2002. http://dx.doi.org/10.1117/12.451389.

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Boldovsky, Dmitrii N., and Eugene A. Tikhonov. "Investigating the formation of the solitonlike pulses in stimulated Raman scattering in dimethylsulphoxide." In Eleventh Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, edited by Miroslav Hrabovsky, Anton Strba, and Waclaw Urbanczyk. SPIE, 1999. http://dx.doi.org/10.1117/12.353069.

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Boldovsky, Dmitrii N., and Eugene A. Tikhonov. "Formation of stimulated Raman scattering pulses in dimethylsulphoxide (DMSO) with a modified noncolinear correlation technique." In ICONO '98: Laser Spectroscopy and Optical Diagnostics--Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, edited by Sergei S. Chesnokov, Valerii P. Kandidov, and Nikolai I. Koroteev. SPIE, 1999. http://dx.doi.org/10.1117/12.340045.

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Kumar, Raman, V. S. Rangra, Alka B. Garg, R. Mittal, and R. Mukhopadhyay. "Molecular Association between N-methylacetamide and Dimethylsulphoxide Using Dielectric Relaxation Measurements in the Microwave Region." In SOLID STATE PHYSICS, PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010. AIP, 2011. http://dx.doi.org/10.1063/1.3605960.

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