Fatty Alcohols: Anthropogenic and Natural Occurrence in the Environment
Why this work is in the frame
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Bibliographic record
Abstract
Executive Summary 1 - Definitions Names and structures Physico-Chemical Properties Solubility vs. chain length Partitioning (Kow) and sediment associations Summary 2 - Biological Synthesis Type I Fatty Acid Synthesis Unsaturated chains Type II Fatty Acid Synthase Unsaturated Compounds Branched chains Fatty Acid Degradation Fatty Acyl-CoA Reductase (FAR) Synthesis from carbohydrates (Copepods) Summary 3 - Occurrence in Biota Bacteria Chlorophyll side chain (phytol) Marine Plants Terrestrial Plant Waxes Mosses and other peat forming plants Marine animals Insects Birds Summary 4 -Consumer and Cosmetic Product Uses and Production Introduction Detergent Alcohols Manufacture Oleochemical based alcohols Oleochemical Fatty Alcohols Petrochemical based alcohols Internal Olefins Conventional OXO Alcohols Based on Internal Olefins Alcohols based on Ethylene Ziegler Ethylene Growth Process Ziegler Alcohols Modified OXO Alcohols SHOP (Shell Higher Olefin Process) ?-Olefins SHOP Internal Olefins and Modified OXO Alcohols Summary Detergent Formulations 5 - Environmental Transformations Metabolism of Fatty Alcohols degradation Short chain moieties Long chain moieties Degradation Rate Constants Phytol degradation Effect of chemical associations on transformation rates Natural fatty alcohols in STPs Anthropogenic fatty alcohols in STPs Summary 6 - Analytical methods Overview of Methods Methods for analysis of free fatty alcohols (and ethoxylates) Environmental Samples Inter-laboratory comparisons Summary 7 - Environmental Concentrations The Marine Environment Victoria Harbour, BC - Estuarine Surface Sediments ConcepcYon Bay, Chile and San Vicente Bay, Chile Rio de Janeiro - surface sediments in a contaminated bay Ria Formosa lagoon - surface sediments Ria Formosa lagoon - suspended and settled sediments Ria Formosa lagoon - shallow core from intertidal sediments Eastern North Atlantic San Miguel Gap, California - long marine core Rio Grande Rise (516F of leg 72 ODP), Brazil Falkland Plateau (511 of leg 71 ODP), S. Atlantic Guatemalan Basin (Legs 66 & 67 ODP), Central America Continental slope, SW of Taiwan East China Sea, N of Taiwan The Terrestrial Environment Pasture land, Southern Australia Prairie Zone soils, Alberta, Canada UK Studies Conwy Estuary - Estuarine Core (50 cm) Mawddach Estuary - surface sediments The Menai Strait - surface sediments Loch Riddon, Scotland - mid-length marine core Clyde Sea, Scotland - surface sediments Loe Pool, Cornwall - coastal lake Bolton Fell Moss, Cumbria - mire Lochnagar, Scotland - mountain lake Loch Eil, Scotland - a marine core and Loch Lochy, Scotland - a freshwater core Summary 8 - Using Fatty Alcohols as Biomarkers Stable Isotopes 13C Composition 2H Composition Bacterial Biomass Marine Fauna Terrestrial Plants Photosynthetic Activity 9 - Multivariate Statistics Chemometric methods of use with fatty alcohols PCA PLS 10 - Environmental and Human Safety Aspects of Fatty Alcohols Physical Chemistry Relevant to Safety Assessments OECD SIAR Summary Physical-Chemical Overview from the OECD SIAR Conclusions for Characterizing the OECD Long Chain Alcohols Category Human Health and Risk Uses and Products Hazards for Human Health Exposure Characterization for Human Health Risk Characterization for Human Health Environmental Risk Pathways of Environmental Exposure Environmental Effects Measurements of Exposure for the Purpose of Environmental Risk Assessment Risk Characterization in the Environment Summary References 11 - The Future for Fatty Alcohols.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it