AI Article Synopsis

  • Phytoplankton size plays a crucial role in ocean ecosystems, but measuring it accurately is challenging due to existing methods.
  • A new approach has been developed that leverages the phytoplankton package effect to estimate the average size of different phytoplankton populations.
  • This new method has been validated with data from 13 species and shows improved efficiency and accuracy compared to traditional techniques, suggesting it could be used in real-time ocean instruments.

Article Abstract

Phytoplankton size is important for the pelagic food web and oceanic ecosystems. However, the size of phytoplankton is difficult to quantify because of methodological constraints. To address this limitation, we have exploited the phytoplankton package effect to develop a new method for estimating the mean cell size of individual phytoplankton populations. This method was validated using a data set that contained simultaneous measurements of phytoplankton absorption and cell size distributions from 13 phytoplankton species. Comparing with existing methods, our method is more efficient with good accuracy, and it could potentially be applied in current in situ optical instruments.

Download full-text PDF

Source
http://dx.doi.org/10.1364/OE.22.010467DOI Listing

Publication Analysis

Top Keywords

cell size
12
measurements phytoplankton
8
phytoplankton
7
size
5
novel method
4
method quantifying
4
quantifying cell
4
size marine
4
marine phytoplankton
4
phytoplankton based
4

Similar Publications

The pathway to resolve dimeric forms distinguishes plasmids from megaplasmids in Enterobacteriaceae.

Nucleic Acids Res

January 2025

Laboratoire de Microbiologie et de Génétique Moléculaires, Centre de Biologie Intégrative, Université de Toulouse, CNRS, 165 Rue Marianne Grunberg-Manago, campus Paul Sabatier, 118, route de Narbonne, 31062, Toulouse Cedex, France.

Bacterial genomes contain a plethora of secondary replicons of divergent size. Circular replicons must carry a system for resolving dimeric forms, resulting from recombination between sister copies. These systems use site-specific recombinases.

View Article and Find Full Text PDF

Characterisation of Castration-Resistant Cell-Derived Exosomes and Their Effect on the Metastatic Phenotype.

Cancers (Basel)

January 2025

Unidad de Bioquímica y Biología Molecular, Departamento de Biología de Sistemas, Campus Científico-Tecnológico, Universidad de Alcalá, 28805 Alcalá de Henares, Spain.

Background/objectives: Prostate cancer (PCa) is characterised by its progression to a metastatic and castration-resistant phase. Prostate tumour cells release small extracellular vesicles or exosomes which are taken up by target cells and can potentially facilitate tumour growth and metastasis. The present work studies the effect of exosomes from cell lines that are representative of the different stages of the disease on the tumoral phenotype of PC3 cells.

View Article and Find Full Text PDF

Background/objectives: Pediatric populations with well-differentiated thyroid cancer typically have favorable prognoses. However, the role of radioactive iodine (RAI) ablation in these patients remains uncertain. This investigation evaluates the national trends, therapeutic practices, and the impact of RAI on clinical outcomes.

View Article and Find Full Text PDF

Background: Most spheroid models use size measurements as a primary readout parameter; some models extend analysis to T cell infiltration or perform caspase activation assays. However, to our knowledge, T cell motility analysis is not regularly included as an endpoint in imaging studies on cancer spheroids.

Methods: Here, we intend to demonstrate that motility analysis of macrophages and T cells is a valuable functional endpoint for studies on molecular interventions in the tumor microenvironment.

View Article and Find Full Text PDF

This study investigates the synthesis of ZnSnO@SiO@5-FU nanoparticles as an additive for bone fillers in dental maxillofacial reconstruction. ZnSnO nanoparticles were synthesized and coated with a SiO shell, followed by the incorporation of 5-Fluorouracil (5-FU), aimed at enhancing the therapeutic properties of classical fillers. Structural analysis using X-ray diffraction confirmed that ZnSnO was the single crystalline phase present, with its crystallinity preserved after both SiO coating and 5-FU incorporation.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!