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Mangrove forests are increasingly recognized as vital blue carbon ecosystems due to their high carbon sequestration capacity, primarily through the accumulation of soil organic carbon (SOC). Recent research highlights that, in addition to SOC, dissolved inorganic carbon (DIC), particularly in the form of bicarbonate (HCO₃⁻), plays a crucial role in carbon sequestration by being exported from these ecosystems to adjacent coastal waters. This study aims to investigate the previously unexamined mechanisms behind bicarbonate production in mangrove soils.

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Background: Dental treatment may not be possible for patients with a profound acquired brain injury without pharmacological support. Intravenous (IV) sedation with midazolam is a widely accepted, safe, and effective mode of treatment for people with a disability, but there is limited evidence in this patient cohort.

Aims: This evaluation aimed to review the IV sedation service for patients with profound acquired brain injury within the dental department at the Royal Hospital for Neuro-disability.

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Hydronium Ions Are Less Excluded from Hydrophobic Polymer-Water Interfaces than Hydroxide Ions.

J Phys Chem B

December 2024

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.

The cloud point temperatures of aqueous poly(-isopropylacrylamide) (PNIPAM) and poly(ethylene) oxide (PEO) solutions were measured from pH 1.0 to pH 13.0 at a constant ionic strength of 100 mM.

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Perfusion Pressures and Weight Loss During Normothermic Machine Perfusion of Human Donor Livers.

Artif Organs

December 2024

Department of Surgery, Section of Hepatobiliary Surgery and Liver Transplantation, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.

Background: Normothermic machine perfusion (NMP) is increasingly used to preserve and assess donor livers prior to transplantation. Due to its success, it is expected that more centers will start using this technology. However, NMP may also cause adverse effects.

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Quenching peroxynitrite (a reactive oxidant species) is a vital process in biological systems and environmental chemistry as it maintains redox balance and mitigates damaging effects in living cells and the environment. In this study, we report a systematic analysis of the mechanism of transforming peroxynitrite into nitrate using diaryl selenide in water. Through quantum mechanical calculations, we investigate the dynamic isomerization of peroxynitrite in a homogeneous catalytic environment.

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