Results 181 to 190 of about 114,080,730 (297)

Sodium sulfite can reliably induce chemical hypoxia without toxic effects in the model sea anemone species, Exaiptasia diaphana

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Climate change is accelerating the deoxygenation of aquatic ecosystems, so understanding its effects on biological processes is increasingly critical. An emerging method for inducing hypoxia during experimentation utilizes sodium sulfite (SSI) to scavenge oxygen; however, it remains unclear if hypoxia‐inducing concentrations of SSI are toxic ...
Zhen Qin   +3 more
wiley   +1 more source

Flow cytometric phytoplankton concentration and optical properties across instruments and laboratories

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Flow cytometry measures the optical properties of individual cells and has become essential for enumerating and characterizing marine phytoplankton. Yet systematic comparison of measurements across instruments remains limited, hampering data comparison across laboratories and long‐term time series.
Francois Ribalet   +10 more
wiley   +1 more source

Intercomparison of carbon‐13 and carbon‐14 tracer approaches for estimating marine calcification and net primary production

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Accurate measurements of phytoplankton net primary production (NPP) and calcification are essential for quantifying marine carbon cycling, yet in situ calcification rates remain poorly constrained. We compared 13C‐ and 14C‐based tracer methods for NPP in laboratory cultures of the diatom Chaetoceros tenuissimus and the coccolithophore ...
Chloe L. Smith   +4 more
wiley   +1 more source

Attosecond‐Stable Two‐Dimensional Spectroscopy by a Sagnac‐Based Modulating System and a Sub‐4‐fs Continuum Source

open access: yesLaser &Photonics Reviews, EarlyView.
A novel optical platform integrates a Sagnac‐based interferometer with a high‐brightness multiple‐plate continuum source to advance two‐dimensional electronic spectroscopy. The robust system delivers octave‐spanning, 3.7‐femtosecond pulses and achieves intrinsic attosecond‐level phase stability without active feedback.
Wei‐Chung Feng   +5 more
wiley   +1 more source

Mitigating chromium stress on pea (Pisum sativum L.) by foliar application of trehalose. [PDF]

open access: yesBMC Plant Biol
Faryad H   +6 more
europepmc   +1 more source

Host suitability of Mediterranean olive (Olea europaea L.) varieties to two root‐knot nematode species (Meloidogyne javanica and M. incognita) under greenhouse conditions

open access: yesNew Plant Protection, EarlyView.
Root‐knot nematodes significantly threaten olive production in Morocco. Screening of seven olive varieties revealed strong resistance in Koroneiki and Picholine Marocaine, characterized by suppressed nematode reproduction, sustained plant growth, and enhanced defense responses.
Salah‐Eddine Laasli   +7 more
wiley   +1 more source

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