The use of fluorescence microscopy in the characterisation of amorphous organic matter
1
1006 C. Chemical Oceanography OLR(1985) 32(12) 85:6997 Saliot, A., A. Ulloa-Guevara, T.C. Viets, J.W. de Leeuw, P.A. Schenck and J.J. Boon, 1984. The application of pyrolysis-mass spectrometry and pyrolysis-gas chromatography-mass spectrometry to the chemical characterization of suspended matter in the ocean. Org. Geochem., 6:295-304. Samples have been analysed by both pyrolysis-mass spectrometry (Py-MS) and pyrolysis-gas chroma- tography-mass spectrometry (Py-GC-MS). Discrim- inant analysis of the Py-MS spectra of 26 samples indicated the amplitude and nature of the variance between the samples. Flash pyrolysis techniques appear to be a useful tool to study the chemical nature of suspended matter, allowing the determi- nation of major building blocks of complex mixtures of biopolymers, degraded biopolymers, and con- densation products present in the suspended matter of the ocean. Lab. de Phys. et Chim. Mar, de t'Univ. P. et M.C., LA CNRS no. 353, 4 Place Jussieu, 75230 Paris Cedex 05, France. 85:6998 Smith, P.M.R., 1984. The use of fluorescence mi- croscopy in the characterisation of amorphous organic matter. Org. Geochem., 6:839-845. The production of spectral data, using quantitative fluorescence microscopy, is one method of charac- terising amorphous organic matter if the fluores- cence measured is due predominantly to one type of material; spectra can be inconclusive if the fluo- rescence is due to a mixture of several types. Mathematical manipulation of the raw spectral data can be performed on complex spectra. Fourier self-deconvolution, described in this paper, has proved successful in the identification of more than one type of organic material from an amorphous spectral distribution. Integrated Display Systems Ltd., Fire Station, Newburn, Tyne and Wear NEI5 8LN, UK. 85:6999 Zhou, Jinfan, 1984. Determination of sulfate in seawater by lead ion-selective electrode. Ocean- ologia Limnol. sin., 15(6):521-526. (In Chinese, English abstract.) Beijing Res. Inst. of Uranium Ore Processing, Beijing, People's Republic of China. C40. Area studies, surveys 85:7000 Friligos, N., 1985. Baseline. Nutrient c o u d i ~ in two Aegean gulfs. Mar. Pollut. Bull., 16(5):208- 209. Inst. of Oceanogr. and Fish. Res., Hellem- kon, Athens, Greece. 85:7001 Maher, W.A., 1985. Arsenic in coastal waters of South Australia. War. Res., 19(7):933-934. Dept. of Phys and Inorganic Chem., Univ. of Ade- laide, GPO Box 498, Adelaide, SA 5001. Aus- tralia. 85:7002 Sun, Bingyi, Zhili Shi, Yongehen Wang and Wei Wang, 1984. Fluoride concentration in waters of the East China Sea, Huanghai Sea, Changjiang Estuary and Jiaozhou Bay. Oceanologia Limnol. sin., 15(5):439-447. (In Chinese, English ab- stract.) Shandong Coll. of Oceanol., Qingdao. People's Republic of China. 85:7003 Wang, Weiqiang, Jiadong Yang, Shanggao Huang and Deyu Gu, 1984. Relative conductivity, salinity, chlorinity and active silicate in the Jiulong River Estuary [P.R.C.]. Taiwan Strait, 3(2):151-158. (In Chinese, English abstract.) Third Inst. of Oceanogr., Natl. Bur. of Oceanogr., Xiamen, People's Republic of China. C50. Seawater composition 85:7004 Kremling, Klaus, 1985. The distribution of cadmium, copper, nickel, manganese, and aluminum in surface waters of the open Atlantic and European shelf area. Deep-Sea Res., 32(5A):531-555. The open Atlantic Cd, Cu, and Ni concentrations increase toward higher latitudes, probably the result of the biogeochemical cycles of these elements and of the regional hydrographical regimes. Mn and A1 distributions show maximum concentrations in the region between ~10°N to 30°N, which probably originate from aeolian input (Sahara dust). A significant increase of all metals studied is observed at the NW European shelf edge area. A comparison with waters of the central North Sea indicates enrichment factors of about 3 to 5 for the metals investigated. Mechanisms that potentially affect the shelf water concentrations are discussed on the basis of their relations with salinity. Inst. fur Meeresk.. Dusternbrooker Weg 20, D-2300 Kiel, FRG.
Transcript of The use of fluorescence microscopy in the characterisation of amorphous organic matter
1006 C. Chemical Oceanography OLR (1985) 32 (12)
85:6997 Saliot, A., A. Ulloa-Guevara, T.C. Viets, J.W. de
Leeuw, P.A. Schenck and J.J. Boon, 1984. The application of pyrolysis-mass spectrometry and pyrolysis-gas chromatography-mass spectrometry to the chemical characterization of suspended matter in the ocean. Org. Geochem., 6:295-304.
Samples have been analysed by both pyrolysis-mass spectrometry (Py-MS) and pyrolysis-gas chroma- tography-mass spectrometry (Py-GC-MS). Discrim- inant analysis of the Py-MS spectra of 26 samples indicated the amplitude and nature of the variance between the samples. Flash pyrolysis techniques appear to be a useful tool to study the chemical nature of suspended matter, allowing the determi- nation of major building blocks of complex mixtures of biopolymers, degraded biopolymers, and con- densation products present in the suspended matter of the ocean. Lab. de Phys. et Chim. Mar, de t'Univ. P. et M.C., LA CNRS no. 353, 4 Place Jussieu, 75230 Paris Cedex 05, France.
85:6998 Smith, P.M.R., 1984. The use of fluorescence mi-
croscopy in the characterisation of amorphous organic matter. Org. Geochem., 6:839-845.
The production of spectral data, using quantitative fluorescence microscopy, is one method of charac- terising amorphous organic matter if the fluores- cence measured is due predominantly to one type of material; spectra can be inconclusive if the fluo- rescence is due to a mixture of several types. Mathematical manipulation of the raw spectral data can be performed on complex spectra. Fourier self-deconvolution, described in this paper, has proved successful in the identification of more than one type of organic material from an amorphous spectral distribution. Integrated Display Systems Ltd., Fire Station, Newburn, Tyne and Wear NEI5 8LN, UK.
85:6999 Zhou, Jinfan, 1984. Determination of sulfate in
seawater by lead ion-selective electrode. Ocean- ologia Limnol. sin., 15(6):521-526. (In Chinese, English abstract.) Beijing Res. Inst. of Uranium Ore Processing, Beijing, People's Republic of China.
C40. Area studies, surveys
85:7000 Friligos, N., 1985. Baseline. Nutrient c o u d i ~ in
two Aegean gulfs. Mar. Pollut. Bull., 16(5):208-
209. Inst. of Oceanogr. and Fish. Res., Hellem- kon, Athens, Greece.
85:7001 Maher, W.A., 1985. Arsenic in coastal waters of
South Australia. War. Res., 19(7):933-934. Dept. of Phys and Inorganic Chem., Univ. of Ade- laide, GPO Box 498, Adelaide, SA 5001. Aus- tralia.
85:7002 Sun, Bingyi, Zhili Shi, Yongehen Wang and Wei
Wang, 1984. Fluoride concentration in waters of the East China Sea, Huanghai Sea, Changjiang Estuary and Jiaozhou Bay. Oceanologia Limnol. sin., 15(5):439-447. (In Chinese, English ab- stract.) Shandong Coll. of Oceanol., Qingdao. People's Republic of China.
85:7003 Wang, Weiqiang, Jiadong Yang, Shanggao Huang
and Deyu Gu, 1984. Relative conductivity, salinity, chlorinity and active silicate in the Jiulong River Estuary [P.R.C.]. Taiwan Strait, 3(2):151-158. (In Chinese, English abstract.) Third Inst. of Oceanogr., Natl. Bur. of Oceanogr., Xiamen, People's Republic of China.
C50. Seawater composition
85:7004 Kremling, Klaus, 1985. The distribution of cadmium,
copper, nickel, manganese, and aluminum in surface waters of the open Atlantic and European shelf area. Deep-Sea Res., 32(5A):531-555.
The open Atlantic Cd, Cu, and Ni concentrations increase toward higher latitudes, probably the result of the biogeochemical cycles of these elements and of the regional hydrographical regimes. Mn and A1 distributions show maximum concentrations in the region between ~10°N to 30°N, which probably originate from aeolian input (Sahara dust). A significant increase of all metals studied is observed at the NW European shelf edge area. A comparison with waters of the central North Sea indicates enrichment factors of about 3 to 5 for the metals investigated. Mechanisms that potentially affect the shelf water concentrations are discussed on the basis of their relations with salinity. Inst. fur Meeresk.. Dusternbrooker Weg 20, D-2300 Kiel, FRG.
