Department of Chemistry and Bioscience

  • Fredrik Bajers Vej 7H

    9220 Aalborg

    Denmark

Research Output 1979 2020

1979

KH-rapporten - projektrapport vedr. N-acylglyciners bestemmelse med GC-MS

Translated title of the contribution: KH-report on N-acylglycines Determination by GC-MS.Keiding, K., 1979, Aarhus Kommunehospital.

Research output: Book/ReportReportResearch

N-Acylglycines: Gaschromatografic Mass-Spectrometric Identification and Determination in Urine by Selected Ion Monitoring

Keiding, K., Gregersen, G. & Kølvraa, S., 1979, In : Biomedical Mass Spectrometri. 6, 10

Research output: Contribution to journalJournal articleResearchpeer-review

1981
8 Citations (Scopus)

Analog Instrument for Oxidative and Reductive Potentiometric Stripping Analysis

Keiding, K., Christensen, J. K., Kryger, L., Rasmussen, J. & Skov, H. J., 1981, In : Analytical Chemistry. 53

Research output: Contribution to journalJournal articleResearchpeer-review

Potentiometrisk Stripping Analyse, LMFK 6

Translated title of the contribution: Potentiometric Stripping Analysis.Keiding, K., 1981, In : LMFK : meddelelser fra Matematiklærerforeningen, Fysiklærerforeningen, Kemilærerforeningen, Foreningen af Fysik- og Kemilærere ved Seminarierne og Naturfagslærerforeningen. 6

Research output: Contribution to journalJournal articleResearch

1982

The Presence of Nitro-PAH on Airborne Particulate Matter

Keiding, K., Nielsen, T., Seitz, B., Hansen, A. M. & Westerberg, B., 1982, Ikke angivet. Int. Symp. on PAH, Ohio, USA.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

1983

Analysis of SO2 in LMP

Keiding, K., 1983, MST-luft A-66. Risø

Research output: Contribution to book/anthology/report/conference proceedingReport chapterResearch

1985

Model for Quality Control and Precipitation Analysis

Grundahl, L. & Keiding, K., 1985.

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearch

Reaktioner og kredsløb

Translated title of the contribution: Reactions and cyclesKeiding, K., 1985, Luftforurening: en introduktion. Fenger, J. (ed.). Nyt Teknisk Forlag, p. 5

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearch

1986
38 Citations (Scopus)

Absolute Modelling of Urban Aerosol Elemental Composition by Factor Analysis

Keiding, K., Palmgren Jensen, F. & Heidam, N. Z., 1986, In : Analytica Chimica Acta. 181, p. 79-85 7 p.

Research output: Contribution to journalJournal articleResearch

6 Citations (Scopus)

Observations on Acidity and Ions in East Greenland Precipitation

Keiding, K. & Heidam, N. Z., 1986, In : Tellus. 38, p. 345-352 8 p.

Research output: Contribution to journalJournal articleResearch

Uorganisk kemi og modeller: Miljø og luftbåren forurening

Translated title of the contribution: Inorganic Chemistry and Models: Environment and Airborne PollutionKeiding, K., 1986, Ikke angivet. Planlægningsrådet for Forskning

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

1987
10 Citations (Scopus)

A receptor model for urban aerosols based on oblique factor analysis

Keiding, K., Sørensen, M. S. & Pind, N., 1987, In : Analytica Chimica Acta. 193, p. 295-307 13 p.

Research output: Contribution to journalJournal articleResearch

101 Citations (Scopus)

Big Soda Lake ( Nevada). 3. Pelagic methanogenesis and anaerobic methane oxidation.

Iversen, N., Oremland, R. S. & Klug, M. J., 1987, Limnology & Oceanography. 4 ed. Vol. 32. p. 804-814 11 p.

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearchpeer-review

methanogenesis
methane
oxidation
lake
water column

Chemometrics

Keiding, K., Sørensen, M. S. & Pind, N., 1987, Proceedings of International Seminar on "Modern Methods of Aerosol Analysis".

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

9 Citations (Scopus)

Determination of Source of Atmospheric Aersol in Copenhagen Based on Receptor Models

Kronborg, D., Palmgren Jensen, F., Keiding, K. & Heidam, N. Z., 1987, In : Atmospheric Environment. 21, 9, p. 1877-1889 13 p.

Research output: Contribution to journalJournal articleResearch

Review of C.R. Brunner: Hazardous Air Emissions from Incineration

Keiding, K., 1987, In : Haikibutsu Gakkaishi. 5, 1

Research output: Contribution to journalReview articleResearch

Spildevandstransport og urban regnafstrømning - perspektiver i forbindelse med regeringens miljøhandlingsplan

Hvitved-Jacobsen, T., Nielsen, P. H. & Keiding, K., 1987, Proceedings of a Seminar held by the Danish Academy of Technical Science.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

Urban Runoff Pollutant Removal in Wet-Detention Ponds

Hvitved-Jacobsen, T., Keiding, K. & Yousef, Y. A., 1987, Proceedings of 4th International Conferrence on Urban Storm Drainage. p. 137-142 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

1988

Absolute Modelling of Urban Aerosols: Comparison of R-mode Procedures

Keiding, K., Sørensen, J. & Palmgren Jensen, F., 1988, In : Atmospheric Environment. 22, 4, p. 763-767 5 p.

Research output: Contribution to journalJournal articleResearch

1991

Effects of Intra-Particle Diffusion on Heavy Metal Adsorption/Desorption Kinetics

Schrøder, O. & Keiding, K., 1991.

Research output: Contribution to conference without publisher/journalPosterResearch

244 Citations (Scopus)

Handbook of ecological parameters and ecotoxicology

Jorgensen, S. E., Nielsen, S. N. & Jorgensen, L. A., 1 Jan 1991, Handbook of ecological parameters and ecotoxicology. Elsevier Editora

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearchpeer-review

ecotoxicology
chemical compound
pesticide
pollution effect
sublethal effect

On the stability of activated sludge flocs with implications to dewatering

Keiding, K., Nielsen, P. H. & Bruus, J. H., 1991, In : Water Research. 26, 12, p. 1598-1604

Research output: Contribution to journalJournal articleResearchpeer-review

1993

A comparative study of biopolymers from a conventional and an advanced treatment plant

Frølund, B., Keiding, K. & Nielsen, P. H., 1993.

Research output: Contribution to conference without publisher/journalPosterResearch

Chemical, physical and microbial changes in activated sludge clarifiers

Rasmussen, H., Keiding, K. & Nielsen, P. H., 1993.

Research output: Contribution to conference without publisher/journalPosterResearch

On the origin of specifik resistance to filtration

Lodahl Agerbæk, M. & Keiding, K., 1993, In : Water Science and Technology. 28, 1, p. 159-168 10 p.

Research output: Contribution to journalJournal articleResearch

1994
37 Citations (Scopus)

A Comparative Study of Biopolymers from a Conventional and an Advanced Activated Sludge Treatment Plant

Frølund, B., Keiding, K. & Nielsen, P. H., 1994, In : Water Science and Technology. 29, 7, p. 137-141

Research output: Contribution to journalJournal articleCommunication

Erratum: Modeling multicomponent volatile organic and water vapor adsorption on soils (Journal of Hazardous Materials (1994) 36 (89-108))

Amali, S., Petersen, L. W., Rolston, D. E. & Moldrup, P., 1994, In : Journal of Hazardous Materials. 37, 2, 1 p.

Research output: Contribution to journalComment/debateResearchpeer-review

Implementation of a HPLC-polystyrene divinyl benzene column for quantitative characterization of activated sludge exopolymer

Frølund, B. & Keiding, K., 1994, In : Applied Microbiology and Biotechnology. 41, p. 708-716 9 p.

Research output: Contribution to journalJournal articleResearch

11 Citations (Scopus)

Integrated flux model for unsteady transport of trace organic chemicals in soils

Møldrup, P., Poulsen, T. G., Rolston, D., Hansen, J. A. & Yamaguchi, T., 1994, In : Soil Science. 157, p. 137-152 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

1995
46 Citations (Scopus)

A tool for monitoring Trichoderma harzianum: I. Transformation with the GUS gene by protoplast technology

Thrane, C., Lubeck, M., Green, H., Degefu, Y., Allerup, S., Thrane, U. & Jensen, D. F., 1995, In : Phytopathology. 85, 11, p. 1428-1435 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

72 Citations (Scopus)

Feeding, growth and respiration in the polychaetes Nereis diversicolor (facultative filter-feeder) and N. virens (omnivorous)-a comparative study

Nielsen, A. M., Eriksen, N. T., Lønsmann Iversen, J. J. & Riisgård, H. U., 1995, In : Marine Ecology - Progress Series. 125, p. 149-158 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

1996
61 Citations (Scopus)

Adsorption of ammonium to activated sludge

Nielsen, P. H., 1996, In : Water Research. 30, 3, p. 762-764 2 p.

Research output: Contribution to journalJournal articleResearchpeer-review

114 Citations (Scopus)

Changes in the composition of extracellular polymeric substances in activated sludge during anaerobic storage

Nielsen, P. H., Frølund, B. & Keiding, K., 1996, In : Applied Microbiology and Biotechnology. 44, 6, p. 823-830 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

43 Citations (Scopus)

Characterization of Thermophilic Consortia from Two Souring Oil Reservoirs

Müeller, R. F. & Nielsen, P. H., 1996, In : Applied and Environmental Microbiology. 62, 9, p. 3083-3087 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

47 Citations (Scopus)

Deflocculation of activated sludge by the dissimilatory Fe(III)-reducing bacterium Shewanella alga BrY

Caccavo, F. J., Frølund, B., van O. Kloeke, F. & Nielsen, P. H., 1996, In : Applied and Environmental Microbiology. 62, 4, p. 1487-1490 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

60 Citations (Scopus)

Effects of colloidal stability on clarification and dewatering of activated sludge

Mikkelsen, L. H., Gotfredsen, A. K., Agerbæk, M. L., Nielsen, P. H. & Keiding, K., 1996, In : Water Science and Technology. 34, 3-4, p. 449-457 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Effects of soil vapor extraction on contaminant loadings to atmosphere and groundwater

Poulsen, T. G., Massmann, J. & Møldrup, P., 1996, In : Journal of Environmental Engineering. 122, p. 700-706 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

28 Citations (Scopus)

Effects of vapor extraction on contaminant flux to atmosphere and ground water

Poulsen, T. G., Massmann, J. W. & Moldrup, P., 1996, In : Journal of Environmental Engineering. 122, 8, p. 700-706 7 p., 10428.

Research output: Contribution to journalJournal articleResearchpeer-review

Groundwater
Vapors
Impurities
Fluxes
groundwater
1561 Citations (Scopus)

Extraction of extracellular polymers from activated sludge using a cation exchange resin

Frølund, B., Palmgren, R., Keiding, K. & Nielsen, P. H., 1996, In : Water Research. 30, 8, p. 1749-1758 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

219 Downloads (Pure)

Jordfysiske egenskabers påvirkning af mikrobiologisk olienedbrydning i dieselolieforurenet jord

Lund, W. & Møldrup, P., 1996, Aalborg: Geotechnical Engineering Group. 6 p. (AAU Geotechnical Engineering Papers: Environmental Engineering Paper; No. 1, Vol. R 9604).

Research output: Book/ReportReportResearchpeer-review

File
43 Citations (Scopus)

Modeling diffusion and reaction in soils: IV. New models for predicting ion diffusivity

Olesen, T., Moldrup, P., Henriksen, K. & Petersen, L. W., 1996, In : Soil Science. 161, 10, p. 633-645

Research output: Contribution to journalJournal articleResearchpeer-review

diffusivity
ions
ion
modeling
soil
63 Citations (Scopus)

Modeling diffusion and reaction in soils: II. Atmospheric methane diffusion and consumption in a forest soil

Kruse, C. W., Moldrup, P. & Iversen, N., 1996, In : Soil Science. 161, 6, p. 355-365

Research output: Contribution to journalJournal articleResearchpeer-review

forest soils
forest soil
methane
modeling
soil
34 Citations (Scopus)

The significance of microbial Fe(III) reduction in the activated sludge process

Nielsen, P. H., 1996, In : Water Science and Technology. 34, 5-6, p. 129-136

Research output: Contribution to journalJournal articleResearchpeer-review

48 Citations (Scopus)

Transient diffusion, adsorption, and emission of volatile organic vapors in soils with fluctuating low water contents

Petersen, L. W., El-Farhan, Y. H., Moldrup, P., Rolston, D. E. & Yamaguchi, T., 1996, In : Journal of Environmental Quality. 25, 5, p. 1054-1063

Research output: Contribution to journalJournal articleResearchpeer-review

trichloroethylene
Water content
volatile organic compound
Trichloroethylene
water content
1997

Accurate corrections for numerical errors in simple, finite difference solutions of diffusion and concentration for time-dependent first-order reaction

Møldrup, P., Poulsen, T. G. & Yamaguchi, T., 1997, In : Soil Science. 162, p. 844-849 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

25 Citations (Scopus)

Acetate removal in sewer biofilms under aerobic conditions

Raunkjær, K., Nielsen, P. H. & Hvitved-Jacobsen, T., 1997, In : Water Research. 31, 11, p. 2727-2736 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Aerobic Microbial Transformations of Resuspended Sediments in Combined Sewers - a Conceptual Model

Vollertsen, J. & Hvitved-Jacobsen, T., 1997, Proceedings of the 2nd International Conference on The Sewer as a Physical, Chemical and Biological Reactor. Aalborg Universitet, 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

79 Citations (Scopus)

Application of microautoradiography to the study of substrate uptake by filamentous microorganisms in activated sludge

Andreasen, K. & Nielsen, P. H., 1997, In : Applied and Environmental Microbiology. 63, 9, p. 3662-3668 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

A Process and Model Concept for Microbial Wastewater Transformations in Gravity Sewers

Hvitved-Jacobsen, T., Vollertsen, J. & Nielsen, P. H., 1997, Proceedings of the 2nd International Conference on The Sewer as a Physical, Chemical and Biological Reactor. Aalborg Universitet, 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

208 Citations (Scopus)

Conceptual model for production and composition of exopolymers in biofilms

Nielsen, P. H., Jahn, A. & Palmgren, R., 1997, In : Water Science and Technology. 36, 1, p. 11-19 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review