Phylogeny, alkenone profiles and ecology of Isochrysidales subclades in saline lakes: Implications for paleosalinity and paleotemperature reconstructions

Y Yao, J Zhao, RS Vachula, S Liao, G Li… - … et Cosmochimica Acta, 2022 - Elsevier
Long-chain alkenones (LCAs) produced by phylogenetically classified Groups 1 and 3
Isochrysidales are increasingly used for paleotemperature and/or paleosalinity …

Group 2i Isochrysidales flourishes at exceedingly low growth temperatures (0 to 6 C)

S Liao, Y Huang - Organic Geochemistry, 2022 - Elsevier
Abstract Group 2i Isochrysidales (Haptophyta) microalgae were recently suggested to be the
main producer of the C 37: 4 alkenone in high latitude oceans with seasonal sea ice …

Paleoceanographic importance of tri-and di-unsaturated alkenones through the early phase of Cretaceous Oceanic Anoxic Event 2 from southern high latitudes of the …

T Hasegawa, AS Goto - Organic Geochemistry, 2024 - Elsevier
Alkenones are biomarkers derived exclusively from species of haptophyte algae. The
relative abundance of di-to tri-unsaturated C 37 alkenones expressed as U K'37 is widely …

Alkenone-derived estimates of Cretaceous pCO2

W Si, JB Novak, N Richter, P Polissar, R Ma… - …, 2024 - pubs.geoscienceworld.org
Alkenones are long-chain ketones produced by phytoplankton of the order Isochrysidales.
They are widely used in reconstructing past sea surface temperatures, benefiting from their …

Comprehensive analysis of alkenones by reversed-phase HPLC-MS with unprecedented selectivity, linearity and sensitivity

S Liao, XL Liu, KE Manz, KD Pennell, J Novak… - Talanta, 2023 - Elsevier
Alkenones are among the most widely used paleotemperature biomarkers. Traditionally,
alkenones are analyzed using gas chromatography-flame ionization detector (GC-FID), or …

Long-chain alkenones in the lake sediments of North-Minusinsk Valley (southern Siberia): implications for paleoclimate reconstructions

AO Bulkhin, VV Zykov, DN Marchenko, MR Kabilov… - Organic …, 2023 - Elsevier
Long-chain alkenones (LCAs) are polyunsaturated methyl or ethyl ketones exclusively
produced by Groups 1–3 Isochrysidales, an order of haptophyte algae. LCAs have great …

Group 1 phylogeny and alkenone distributions in a freshwater volcanic lake of northeastern China: Implications for paleotemperature reconstructions

L Wang, Y Yao, Y Huang, Y Cai, H Cheng - Organic Geochemistry, 2022 - Elsevier
Long-chain alkenones (LCAs) produced by Group 1 Isochrysidales from freshwater lakes
feature a highly specific profile with almost the same abundances of two C 37 tri-unsaturated …

Highly efficient purification of long-chain alkenones using silver dimercaptotriazine flash chromatography

L Wang, Y Yao, Y Huang, Y Zhao, H Cheng - Chemical Geology, 2024 - Elsevier
Long-chain alkenones (LCAs) are important tools for paleotemperature reconstructions in
lacustrine and marine environments. However, some neutral lipid compounds that co-elute …

Silver (I)-dimercaptotriazine functionalized silica: A highly selective liquid chromatography stationary phase targeting unsaturated molecules

S Liao, JT Dillon, C Huang, E Santos… - Journal of Chromatography …, 2021 - Elsevier
Abstract Silver (I)-mercaptopropyl (Ag-MP) functionalized silica gel has demonstrated its
effectiveness in separating various unsaturated organic compounds including unsaturated …

Machine learning reveals that sodium concentration and temperature influence alkenone occurrence in Swiss and worldwide freshwater lakes

C Martin, N Richter, R Lloren, L Amaral-Zettler… - Frontiers in Earth …, 2024 - frontiersin.org
Lacustrine alkenones are increasingly reported in freshwater lakes worldwide, which makes
them a very promising proxy to reconstruct past continental temperatures. However, a more …