Results 41 to 50 of about 502,111 (300)

Electrodeposition of Manganese Metal and Co-production of Electrolytic Manganese Dioxide Using Single-membrane Double-chamber Electrolysis

open access: yesElectrochemistry, 2021
Given the problems of high energy consumption, low resource utilization, and severe environmental pollution in traditional electrolytic manganese or manganese dioxide, this study puts forth a single-membrane double-chamber electrolysis method for the ...
Xiaosan SONG   +4 more
doaj   +1 more source

The effect of desulfurization manganese residue powder on the workability, mechanical properties, and durability of concrete: A comprehensive study

open access: yesCase Studies in Construction Materials
To address resource depletion and environmental pollution stemming from industrialization, this study investigated the feasibility of utilizing desulfurized manganese residue powder (DMRP) as a cement-replacing mineral admixture in concrete, aiming to ...
Dayong Hu   +4 more
doaj   +1 more source

Pathways of methane removal in the sediment and water column of a seasonally anoxic eutrophic marine basin

open access: yesFrontiers in Marine Science, 2023
Methane (CH4) is a key greenhouse gas. Coastal areas account for a major proportion of marine CH4 emissions. Eutrophication and associated bottom water hypoxia enhance CH4 production in coastal sediments.
Olga M. Żygadłowska   +14 more
doaj   +1 more source

Electron energy relaxation by phonons in the Kondo condensate

open access: yes, 2006
We have used normal metal-insulator-superconductor tunnel junctions as thermometers at sub-Kelvin temperatures to study the electron-phonon (e-p) interaction in thin Aluminum films doped with Manganese, as a function of Manganese concentration.
Enss C.   +5 more
core   +1 more source

Dammarenediol II enhances etoposide‐induced apoptosis by targeting O‐GlcNAc transferase and Akt/GSK3β/mTOR signaling in liver cancer

open access: yesMolecular Oncology, EarlyView.
Etoposide induces DNA damage, activating p53‐dependent apoptosis via caspase‐3/7, which cleaves PARP1. Dammarenediol II enhances this apoptotic pathway by suppressing O‐GlcNAc transferase activity, further decreasing O‐GlcNAcylation. The reduction in O‐GlcNAc levels boosts p53‐driven apoptosis and influences the Akt/GSK3β/mTOR signaling pathway ...
Jaehoon Lee   +8 more
wiley   +1 more source

Is a Combination of Metals More Toxic to Mosses Than a Single Metal?

open access: yesPlants, 2023
Increasing pollution in the environment calls for the precise determination of metal toxicity in plants as they are at the base of the food chain. Mosses are often employed as biomonitors and provide good models for testing metal adsorption.
Luigi Schillaci   +2 more
doaj   +1 more source

Ab initio molecular dynamics study of manganese porphine hydration and interaction with nitric oxide

open access: yes, 2007
The authors use ab initio molecular dynamics and the density functional theory+U (DFT+U) method to compute the hydration environment of the manganese ion in manganese (II) and manganese (III) porphines (MnP) dispersed in liquid water.
Craig J. Medforth   +4 more
core   +1 more source

EDNRB‐dependent endothelin signaling reduces proliferation and promotes proneural‐to‐mesenchymal transition in gliomas

open access: yesMolecular Oncology, EarlyView.
Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau   +36 more
wiley   +1 more source

Manganese-56 coincidence-counting facility precisely measures neutron-source strength [PDF]

open access: yes, 1969
Precise measurement of neutron-source strength is provided by a manganese 56 coincidence-counting facility using the manganese-bath technique. This facility combines nuclear instrumentation with coincidence-counting techniques to handle a wide variety of
De Volpi, A.   +2 more
core   +1 more source

Engineered extracellular vesicles enriched with the miR‐214/199a cluster enhance the efficacy of chemotherapy in ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Loss of the miR‐214/199a cluster is associated with recurrence in ovarian cancer. Engineered small extracellular vesicles (m214‐sEVs) elevate miR‐214‐3p/miR‐199a‐5p in tumor cells, suppress β‐catenin, TLR4, and YKT6 signaling, reprogram tumor‐derived sEV cargo, reduce chemoresistance and migration, and enhance carboplatin efficacy and survival in ...
Weida Wang   +12 more
wiley   +1 more source

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