Results 71 to 80 of about 184,111 (289)

High sulfur isotope fractionation associated with anaerobic oxidation of methane in a low sulfate, iron rich environment

open access: yesFrontiers in Earth Science, 2016
Sulfur isotope signatures provide key information for the study of microbial activity in modern systems and the evolution of the Earth surface redox system.
Hannah Sophia Weber   +3 more
doaj   +1 more source

Sulphur and Carbon Isotopes as Tracers of Past Sub-seafloor Microbial Activity [PDF]

open access: yes, 2019
Microbial life below the seafloor has changed over geological time, but these changes are often not obvious, as they are not recorded in the sediment.
Brunner, Benjamin   +4 more
core   +3 more sources

Thermo‐Fluorescent Bactericidal Quantum Dots Based Smart Multifunctional Textiles via Molecular Surface Engineering and 3D‐Printed Interlocked Architectures

open access: yesAdvanced Healthcare Materials, EarlyView.
A versatile approach is presented for fabricating smart multifunctional textiles by integrating thermo‐fluorescent carbon dot/polymer nanocomposite coatings with 3D‐printed interlocked architectures. The fabrics exhibit temperature‐responsive fluorescence, durable hydrophobicity, strong antibacterial and antioxidant activity, and enhanced UV protection.
Poushali Das   +8 more
wiley   +1 more source

Effect of sulfate on low-temperature anaerobic digestion [PDF]

open access: yes, 2014
The effect of sulfate addition on the stability of, and microbial community behavior in, low-temperature anaerobic expanded granular sludge bed-based bioreactors was investigated at 15°C.
Abdul eAl-Raei   +7 more
core   +2 more sources

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

Methane-related changes in prokaryotes along geochemical profiles in sediments of Lake Kinneret (Israel) [PDF]

open access: yesBiogeosciences, 2015
Microbial methane oxidation is the primary control on the emission of the greenhouse gas methane into the atmosphere. In terrestrial environments, aerobic methanotrophic bacteria are largely responsible for this process.
I. Bar-Or   +4 more
doaj   +1 more source

Molecular characterization of mesophilic and thermophilic sulfate reducing microbial communities in expanded granular sludge bed (EGSB) reactors [PDF]

open access: yes, 2008
The microbial communities established in mesophilic and thermophilic expanded granular sludge bed reactors operated with sulfate as the electron acceptor were analyzed using 16S rRNA targeted molecular methods, including denaturing gradient gel ...
Altinbas, M.   +5 more
core   +2 more sources

Multifunctional Bio‐Based Packaging for Perishable Foods: Structural Design, Scalable Fabrication, and Versatile Applications

open access: yesAdvanced Materials, EarlyView.
An overview of design principles and scalable fabrication strategies for multifunctional bio‐based packaging. Radiative cooling films, modified‐atmosphere films/membranes, active antimicrobial/antioxidant platforms, intelligent optical/electrochemical labels, and superhydrophobic surfaces are co‐engineered from material chemistry to mesoscale structure
Lei Zhang   +6 more
wiley   +1 more source

Reduction of Sb(V) by coupled biotic-abiotic processes under sulfidogenic conditions

open access: yesHeliyon, 2021
Increasing use and mining of antimony (Sb) has resulted in greater concern involving its fate and transport in the environment. Antimony(V) and (III) are the two most environmentally relevant oxidation states, but little is known about the redox ...
Clayton R. Johnson   +6 more
doaj   +1 more source

Thermophilic Sulfate Reduction in Hydrothermal Sediment of Lake Tanganyika, East Africa [PDF]

open access: yes, 1994
In environments with temperatures above 60 degrees C, thermophilic prokaryotes are the only metabolically active life-forms. By using the (SO42-)-S-35 tracer technique, we studied the activity of sulfate-reducing microorganisms (SRM) in hot sediment from
Elsgaard, L.   +3 more
core   +1 more source

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