№ files_lp_4_process_2_60380
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This document is a laboratory bioassay guide on testing the toxicity of road de-icers using Daphnia to determine the LD50 for chemical compounds.
Year: 1989
Region / City: Cornell University
Theme: Toxicology, Environmental Impact
Document Type: Laboratory Bioassay Report
Organization / Institution: Cornell University
Author: L.A. Athey, J.M. Thomas, W.E. Miller, J.Q. Word
Target Audience: Researchers, Environmental Scientists, Chemistry Students
Period of Action: Not specified
Approval Date: Not specified
Modification Date: Not specified
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Biology Year 1 Core Practicals: Investigate the Effect of Caffeine on Heart Rate in Daphnia
Year: 2026
Institution: SNAB / Exam Board
Centre Number: 12416
Candidate Number: Provided in document
Subject: Biology
Type: Core practical assessment
Topic: Effect of caffeine on heart rate
Organ / Teacher: Teachers’ initials provided in document
Practical Number: 1
Skills Assessed: Experimental technique, variable control, data collection, analysis and interpretation
Safety Considerations: Use of stroboscope for photosensitive individuals, ethical treatment of Daphnia
Equipment: Culture of Daphnia, cavity slides, pipettes, distilled water, caffeine tablets, cotton wool, standard glassware, stopclock, paper towels, microscope
Supplementary Material for Bioassay experiments reveal contrasting marine phytoplankton responses to meltwater inputs from Arctic and Antarctic glaciers
Year: 2026
Region / city: Shenzhen, Kiel, Valparaíso, Valdivia, Madrid, Nuuk, Yerseke
Theme: Marine Biogeochemistry, Phytoplankton, Glaciers, Climate Change
Document type: Research Supplementary Material
Organization: Southern University of Science and Technology, GEOMAR Helmholtz Centre for Ocean Research Kiel, Pontificia Universidad Católica de Valparaíso, Museo Nacional de Ciencias Naturales (MNCN-CSIC), Greenland Institute of Natural Resources, Royal Netherlands Institute for Sea Research
Authors: Mark J. Hopwood, Jana Krause, Juan Höfer, Mireia Mestre, Eric P. Achterberg, Anja Engel, Humberto E. González, José Luis Iriarte, Thomas Juul-Pedersen, Kechen Zhu, Lorenz Meire
Target audience: Marine biologists, researchers in oceanography and climate science
Effective period: N/A
Approval date: N/A
Date of revisions: N/A
Topics: LD50 Daphnia Bioassay