Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Josefine Holm Nielsen"'
1
Dual-band fluorosensor for discriminating non-eating from algae-eating zooplankton in aquatic environments
Autor: Thomas Nikolajsen, Thomas Kiørboe, Josefine Holm Nielsen, Mikkel Brydegaard, Christian Pedersen, Peter John Rodrigo
Publikováno v: Nielsen, J H, Pedersen, C, Kiørboe, T, Nikolajsen, T, Brydegaard, M & Rodrigo, P J 2020, ' Dual-band fluorosensor for discriminating non-eating from algae-eating zooplankton in aquatic environments ', OSA Continuum, vol. 3, no. 7, pp. 1730-1738 . https://doi.org/10.1364/OSAC.389089
We present a fluorosensor for the detection of laser-induced autofluorescence of zooplankton in marine environments. The sensor uses an inexpensive 410 nm laser diode as excitation source and simultaneously measures two fluorescence bands, 500-550 nm
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34a9665f90bed022bcdc33fda6b9bfb6
https://orbit.dtu.dk/en/publications/7812e1b4-de68-40ea-91e0-1c6a6479c8ab
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2
Investigation of Optical Signatures for Discriminating Salmon Lice from Other Species of Zooplankton
Autor: Josefine Holm Nielsen, Jord C. Prangsma, Thomas Kiørboe, Mikkel Brydegaard, Peter John Rodrigo, Christian Pedersen
Publikováno v: Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP).
We present a study of optical signatures of salmon lice and the ability to distinguish them from a reference zooplankton species. This forms the basis for developing an instrument for detecting salmon lice in situ.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::208c6546f878a712478be9381a831f91
https://doi.org/10.1364/aio.2018.aw3a.2
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3
Light interaction with nano-structured diatom frustule, from UV-A to NIR
Autor: Christian Maibohm, Karsten Rottwitt, Josefine Holm Nielsen
Publikováno v: MRS Advances. 1:3811-3816
Diatoms are found in nearly every aqueous environment and play a vital part of the global primary production system contributing with up to 25 % and are efficient light harvesting organisms. Unique to diatoms are the hard cell wall, called the frustu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40e05f8aa77b96ac2844d2d2aa30c97a
https://doi.org/10.1557/adv.2015.15
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4
Investigation of autofluorescence in zooplankton for use in classification of larval salmon lice
Autor: Thomas Nikolajsen, Josefine Holm Nielsen, Christian Pedersen, Peter John Rodrigo, Mikkel Brydegaard, Thomas Kiørboe
Publikováno v: Applied Optics. 58:7022
We present autofluorescence of six zooplankton species, including salmon lice (Lepeophtheirus salmonis), for the purpose of classification in marine environments. Using a 410 nm excitation wavelength, we find that all measured zooplankton species exh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4af3687cb7cdefb109fc972e26f30fb6
https://doi.org/10.1364/ao.58.007022
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5
Diatoms for a green future
Autor: Christian Maibohm, Karsten Rottwitt, Josefine Holm Nielsen, Søren Michael Mørk Friis, Torben Anker Lenau, Marianne Ellegaard
Publikováno v: Technical University of Denmark Orbit
Maibohm, C, Rottwitt, K, Nielsen, J H, Friis, S M M, Lenau, T A & Ellegaard, M 2015, Diatoms for a green future . in Book of Abstracts. DTU's Sustain Conference 2015 ., I-4, Technical University of Denmark, Lyngby, DTU Sustain Conference 2015, Lyngby, Denmark, 17/12/2015 .
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::21b455a6f4e6753b94f07b23cf4ba457
https://orbit.dtu.dk/en/publications/1b31a2fc-0b84-4c4a-a2da-580d3d97d1da
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6
Detection of non-phytoplankton-eating zooplankton within a volume of water
Autor: Josefine Holm Nielsen, Mikkel Brydegaard Sørensen, Jord Cornelis Prangsma, Peter John Rodrigo
Publikováno v: Technical University of Denmark Orbit
Nielsen, J H, Sørensen, M B, Prangsma, J C & Rodrigo, P J Dec. 03 2020, Detection of non-phytoplankton-eating zooplankton within a volume of water, Patent No. WO2020239833 .
A method and an apparatus for detecting ectoparasites such as salmon lice within a volume of water. Zooplankton are detected within a volume of water and fluorescence from chlorophyll is used to distinguish non-phytoplankton-eating zooplankton (40),
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8e3e1e332c8646ed4c29fe82ddf09faa
https://orbit.dtu.dk/en/publications/946aafdf-e85f-4e25-bb7e-d2c67e3cef55
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8
Study of species identification capabilities of optical detection system for lepeophtheirus salmonis copepodites
Autor: Josefine Holm Nielsen, Prangsma, Jord C., Thomas Kiørboe, Mikkel Brydegaard, Peter John Rodrigo, Christian Pedersen
Publikováno v: Technical University of Denmark Orbit
Nielsen, J H, Prangsma, J C, Kiørboe, T, Brydegaard, M, Rodrigo, P J & Pedersen, C 2018, ' Study of species identification capabilities of optical detection system for lepeophtheirus salmonis copepodites ', Sealice 2018-12th International Conference, Patagonia, Chile, 04/11/2018-08/11/2018 .
We are working towards an optical instrument capable of doing real-time in-situ detection of salmon lice, Lepeophtheirus salmonis. We have developed a light detection and ranging (lidar) instrument, designed for detection of individual animals remote
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0c20fb0dc7b8cbf394d2a5c4140e96d0
https://orbit.dtu.dk/en/publications/42236a73-b99a-4ea1-9799-ffa04167fa0d
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