Isotopes in Environmental and Health Studies

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#	Title	Journal	Year	Citations
1	Nitrogen Isotope Ratios in Different Compartments of a Mixed Stand of Spruce, Larch and Beech Trees and of Understorey Vegetation Including Fungi	Isotopes in Environmental and Health Studies	1993	96
2	15N, 13C-On-line Measurements with an Elemental Analyser (Carlo Erba, NA 1500), a Modified Trapping Box and a Gas Isotope Mass Spectrometer (Finnigan, MAT 251)	Isotopes in Environmental and Health Studies	1993	78
3	Probenchemie 15N–markierter Stickstoffverbindungen im Mikro– bis Nanomolbereich für die emissionsspektrometrische Isotopenanalyse	Isotopes in Environmental and Health Studies	1967	69
4	Nitrogen and Carbon Isotope Compositions relate linearly in Cormorant Tissues and its Diet	Isotopes in Environmental and Health Studies	1991	52
5	Zur emissionsspektroskopischen Isotopenanalyse des Stickstoffs mit photoelektrischer Registrierung	Isotopes in Environmental and Health Studies	1965	45
6	Rock Matrix Studies with Carbon-14-Polymethylmethacrylate (PMMA); Method Development and Applications	Isotopes in Environmental and Health Studies	1994	41
7	Zur Probenchemie von Stickstoffverbindungen für die emissionsspektrometrische Isotopenanalyse des Stickstoffs	Isotopes in Environmental and Health Studies	1965	39
8	Precise δ¹³C-determination in the Range of Natural Abundance on Amino Acids from Protein Hydrolysates by Gas Chromatography - Isotope Ratio Mass Spectrometry	Isotopes in Environmental and Health Studies	1993	32
9	Nitridokomplexe des Technetium(V)	Isotopes in Environmental and Health Studies	1981	30
10	Kurze Originalmitteilungen: A Modified Method of SO2 Extraction from Sulphates for Isotopic Analysis Using NaPO3	Isotopes in Environmental and Health Studies	1982	24
11	¹⁵N-Isotopenmessung mit dem Emissionsspektrometer NOI-6PC	Isotopes in Environmental and Health Studies	1992	23
12	The Influence of Ammonium on Nitrate Uptake and Assimilation in 2-Year-Old Ash and Oak Trees - A Tracer-Study with ¹⁵N	Isotopes in Environmental and Health Studies	1993	21
13	Chemie und Radiopharmakologie organ- bzw. funktionsspezifischer Metallkomplexverbindungen des Technetiums)	Isotopes in Environmental and Health Studies	1983	19
14	Determination of Metal Extraction Process Parameters Using Tracer Technique)	Isotopes in Environmental and Health Studies	1983	18
15	Comparison of the Biodistribution of ²²⁵Ac and Radio-Lanthanides as Citrate Complexes	Isotopes in Environmental and Health Studies	1990	18
16	A Sensitive Isotope Selective Nondispersive Infrared Spectrometer for ¹³CO₂ and ¹²CO₂ Concentration Measurements in Breath Samples	Isotopes in Environmental and Health Studies	1994	18
17	Macroscopic Isotope Separation of ¹³C by a CO₂ Laser	Isotopes in Environmental and Health Studies	1994	17
18	NOI-6 – ein neuer emissionsspektrometrischer Analysator	Isotopes in Environmental and Health Studies	1982	16
19	Thermochromatographic Method of Separation of Chemical Elements in Nuclear and Radiochemistry	Isotopes in Environmental and Health Studies	1990	16
20	Zur Extraktion von Metallsalzen mit makrocyclischen Kronenethern	Isotopes in Environmental and Health Studies	1982	15
21	Uptake of ¹⁵NH₃ by Picea abies in Closed Chamber Experiments	Isotopes in Environmental and Health Studies	1993	15
22	Zur Methodik der präparativen Aminosäurentrennung und15N-Analyse	Isotopes in Environmental and Health Studies	1978	14
23	Experimentelle und theoretische Behandlung von Flüssig-Flüssig-Extraktionsgleichgewichten	Isotopes in Environmental and Health Studies	1979	14
24	Untergrundlaboratorium für Messungen geringer Radioaktivität	Isotopes in Environmental and Health Studies	1984	14
25	Possibilities and Scope of the Double Isotope Effect Method in the Elucidation of Mechanisms of Enzyme Catalyzed Reactions	Isotopes in Environmental and Health Studies	1991	14
26	The Theory of Isotope Separation, especially regarding a Relation between the Multiplication of Elementary Process and the Kineties of Column Operation	Isotopes in Environmental and Health Studies	1970	13
27	Sulphurous Extraction Agents for the Separation of Noble and Non-Ferrous Metals	Isotopes in Environmental and Health Studies	1984	13
28	EPR on Technetium Complexes – A Review	Isotopes in Environmental and Health Studies	1990	13
29	Ein vereinfachtes Aufschlußverfahren für die spektroskopische 15N-Bestimmung im Mikromaßstab	Isotopes in Environmental and Health Studies	1965	12
30	Präparative Darstellung von hochangereichertem15N-markiertem Hefeprotein	Isotopes in Environmental and Health Studies	1984	12
31	Use of GC-QMS for stable isotope analysis of environmentally relevant main and trace gases in the air	Isotopes in Environmental and Health Studies	1993	12
32	Theoretische Aspekte der Untersuchung des Stickstoffmetabolismus mit 15N beim Menschen II. Probleme der Auswertung und Interpretation klinischer Untersuchungen	Isotopes in Environmental and Health Studies	1978	11
33	Theoretische Aspekte der Untersuchung des Stickstoffmetabolismus mit 15N beim Menschen I. Allgemeine Grundlagen	Isotopes in Environmental and Health Studies	1978	11
34	Use of Monte Carlo Methods in the Calibration and Design Optimization of Radiation Ganges and Analyzers	Isotopes in Environmental and Health Studies	1983	11
35	Einsatz von deuterierten Molekülen zur Bestimmung von Selbstdiffusionskoeffizienten bei der Zweikomponentenadsorption in Zeolithen unter Anwendung der NMR-Meßtechnik	Isotopes in Environmental and Health Studies	1989	11
36	Lipophilic Technetium Complexes. VIII. Preparation and Animal Studies of Oxotechnetium(V) Complexes with Tridentate/monodentate Ligand Coordination	Isotopes in Environmental and Health Studies	1990	11
37	Study on the Separation of Carrier-Free Yttrium-90 from Strontium-90	Isotopes in Environmental and Health Studies	1991	11
38	Study of Ganga River – Groundwater Interaction Using Environmental Oxygen-18	Isotopes in Environmental and Health Studies	1991	11
39	Erfahrungen bei der simultanen Bestimmung von Gesamtstickstoff und ¹⁵N durch Kopplung von “Dumas”-Stickstoffbestimmungsgeräten mit dem NOI-6	Isotopes in Environmental and Health Studies	1992	11
40	Measurement of Disintegration Rates of Radioactive Nuclides by the 4 α-β-γ-Coincidence Method in the DAMW	Isotopes in Environmental and Health Studies	1971	10
41	STAND UND ENTWICKLUNGSTENDENZEN AUF DEM GEBIET DER RADIOCHEMIE UND CHEMISCHEN KERNTECHNIK CHEMIE RADIOAKTIVER ELEMENTE	Isotopes in Environmental and Health Studies	1975	10
42	Der thermodynamische Kohlenstoffisotopieeffekt im System CH₄–H₂O	Isotopes in Environmental and Health Studies	1976	10
43	Emissionsspektroskopische ¹⁵N-Analytik 1985	Isotopes in Environmental and Health Studies	1986	10
44	The Use of Stannic Molybdate-99Mo as a99mTe-Generator	Isotopes in Environmental and Health Studies	1990	10
45	Reactivity of Ions of Actinides Towards Inorganic Free Radicals in Irradiated Aqueous Solutions	Isotopes in Environmental and Health Studies	1990	10
46	Influence of Nitrogen Supply and Temperature on Stable Carbon Isotope Ratios in Plants of Different Photosynthetic Pathways (C₃, C₄, CAM)	Isotopes in Environmental and Health Studies	1993	10
47	Biomedical Application of an Isotope Selective Nondispersive Infrared Spectrometer for ¹³CO₂ and ¹²CO₂ Concentration Measurements in Breath Samples	Isotopes in Environmental and Health Studies	1994	10
48	The Resonance Neutrons in Activation Analysis Part 1: Theory	Isotopes in Environmental and Health Studies	1967	9
49	Removal of Silver Traces from Palladium by Means of Selective Adsorption	Isotopes in Environmental and Health Studies	1967	9
50	Procedure of Direct Conversion of Sulphates into SO₂ for Mass Spectrometric Analysis of Sulphur	Isotopes in Environmental and Health Studies	1973	9

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