Results 41 to 50 of about 255,817 (279)

IDENTIFICATION AND CHARACTERIZATION OF BIOSURFACTANT PRODUCING BACTERIA ISOLATED FROM DIESEL-CONTAMINATED SEAWATER

open access: yesRussian Journal of Agricultural and Socio-Economic Sciences, 2021
One of the most severe environmental problems today is oil pollution, especially in seawater. Bioremediation is one method to restore the environment due to the pollution of hydrocarbon compounds.
Susanti M.E., Maftuch, Prihanto A.A.
doaj   +1 more source

Can Elastomers Combine Stiffness, Toughness and Fatigue Resistance?

open access: yesAdvanced Materials, EarlyView.
This review studies how the molecular and macroscopic architecture of elastomers influence their mechanical properties including: stiffness, stretchability, toughness, fatigue resistance, and damping behavior. By linking the structure to performance, it proposes design principles for advanced elastomeric systems that combine mechanical properties ...
Eva Baur, Esther Amstad
wiley   +1 more source

Radiative Thermal Management for Extreme Environments: Mechanisms and Design Strategies

open access: yesAdvanced Materials, EarlyView.
In this review, we discuss the fundamental mechanisms of radiative cooling and solar heating, material and structural design strategies, hybrid approaches integrating additional heat transfer pathways, and durability‐oriented designs addressing environmental stresses.
Hyung Rae Kim   +5 more
wiley   +1 more source

Fuel Resistance of Firefighting Surfactant Foam Formulations

open access: yesFire
Aqueous film-forming foam (AFFF) is widely recognized for its excellent fire-extinguishing capabilities, yet the specific roles of its components remain insufficiently understood.
Ayşenur Ateş   +2 more
doaj   +1 more source

Studies in Asymmetric Epoxidation of Chalcone Using Quaternary Salts and Nonionic Surfactants Based on 6-Amino-6-deoxy-glucose as Chiral Phase Transfer Catalysts

open access: yesE-Journal of Chemistry, 2011
Quaternary salts and nonionic surfactants based on 6-amino-6-deoxy-glucose were explored as chiral phase transfer catalysts for the asymmetric epoxidation of chalcone.
Lalit Sharma   +2 more
doaj   +1 more source

Soft and Transient Bioelectronics Enabled by Polymer‐Free Ti3C2Tx MXene Hydrogels

open access: yesAdvanced Materials, EarlyView.
We present Ti3C2Tx MXene hydrogel (MXgel) bioelectronics, a soft, flexible, and fully transient platform for high‐fidelity neural recording and stimulation. MXgel bioelectronics exhibit exceptional electrical conductivities, low electrochemical impedances, and high charge injection capacities.
Raghav Garg   +15 more
wiley   +1 more source

Suspect Screening of Hydrocarbon surfactants in AFFFs and AFFF-Contaminated Groundwater by High Resolution Mass Spectrometry [PDF]

open access: yes
Aqueous film forming foams (AFFFs) are proprietary mixtures containing hydrocarbon surfactants and per-and polyfluoroalkyl substances (PFASs) that are used to extinguish hydrocarbon-based fuel fires.
Garcia, Raymmah A.
core   +2 more sources

Removal of hydrocarbon from soils possessing macro-heterogeneities using electrokinetics and surfactants

open access: yesChemical Engineering Journal Advances, 2020
The removal of n-hexadecane from soil in two-dimensional (vertical) setups was investigated using electrokinetics (EK), hydraulic gradient (HG), and anionic surfactant SDS (Sodium Dodecyl Sulfate) and nonionic surfactant Tween 80.
Wen Ji   +4 more
doaj   +1 more source

OPTIMIZATION OF PRESSURIZED MUDCAP DRILLING TECHNOLOGY USING AERATED DRILLING FLUIDS FOR FORMATION EXPOSING IN LOW PRESSURE GAS RESERVOIR

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2022
The relevance of the research is caused by decreasing negative influence on low pressure gas reservoirs by applying modernized Pressurized Mudcap Drilling Technology through usage of oil-based aerated fluids.
Denis V. Shalyapin, Adelya D. Shalyapina
doaj   +1 more source

Biomass DNA: An Emerging Building Block for Advanced Materials

open access: yesAdvanced Materials, EarlyView.
Biomass DNA is rapidly emerging from its traditional role as a genetic blueprint to serve as a versatile abundant, highly programmable polymeric building block. This review highlights the transformation of macroscopic bulk biomass DNA into next generation of functional materials, spanning from dynamic hydrogels, sustainable bioplastics, and high ...
Yuwei Hu, Itamar Willner, Li Niu
wiley   +1 more source

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