Results 81 to 90 of about 508,242 (239)

Biosurfactant production by Pseudomonas aeruginosa isolated from mining waste: From genomic analysis to development of a polymeric composite for removal of hexavalent chromium

open access: yesPolymer International, EarlyView.
Biosurfactant was produced by Pseudomonas aeruginosa using andiroba waste from Amazonia. A biosurfactant–alginate composite (Alg/BioS) was successfully synthesized via ionotropic gelation, and achieved up to 70% Cr6+ removal from water. Abstract Environmental contamination by heavy metals represents a significant challenge due to their persistence in ...
Paulo Diniz Austriaco   +11 more
wiley   +1 more source

Anti-biofouling adsorptive sheet based on polyethersulfone/ dried algal biomass / ZnO nanoparticles for dyes removal

open access: yesScientific Reports
This study aims to develop an environmentally friendly composite matrix for removing dyes from wastewater. The composite matrix was prepared by incorporating finely ground biomass of the seaweed Sargassum dentifolium (S) and zinc oxide nanoparticles (ZnO)
Doaa Hussein   +4 more
doaj   +1 more source

Bio-Medical Library Bulletin, No. 100 (1989-04)

open access: yes, 1989
Bio-Medical Library. (1989). Bio-Medical Library Bulletin, No. 100 (1989-04).
Bio-Medical Library
core  

The continuing significance of chiral agrochemicals

open access: yesPest Management Science, Volume 81, Issue 4, Page 1697-1716, April 2025.
In the time frame 2018–2023, around 43% of the 35 chiral agrochemicals introduced to the market (herbicides, fungicides, insecticides, acaricides, and nematicides) contain one or more stereogenic centers in the molecule, and almost 69% of them have been marketed as racemic mixtures of enantiomers or stereoisomers.
Peter Jeschke
wiley   +1 more source

Adsorptive Elimination of Heavy Metals from Aqueous Solution Using Magnetic Chitosan/Cellulose-Fe(III) Composite as a Bio-Sorbent. [PDF]

open access: yesNanomaterials (Basel), 2023
Khalid AM   +8 more
europepmc   +1 more source

Bio-Medical Library Bulletin, No. 54 (1977-12)

open access: yes, 1977
Bio-Medical Library. (1977). Bio-Medical Library Bulletin, No. 54 (1977-12).
Bio-Medical Library
core  

Porous Modified Calcium Carbonate as an Efficient Carrier for Gallic and Ascorbic Acids in Humidity‐Activated Oxygen Scavenging Systems

open access: yesPackaging Technology and Science, EarlyView.
Porous modified calcium carbonate (MCC) is presented as an efficient carrier for humidity‐activated oxygen scavengers based on gallic acid and ascorbic acid. The porous MCC structure preserves high accessibility of the active compounds, enabling effective oxygen scavenging under high relative humidity, with performance governed by loading level ...
Nastasia M. Coray   +6 more
wiley   +1 more source

Bio-Medical Library Bulletin, No. 19 (1971-03)

open access: yes, 1971
Bio-Medical Library. (1971). Bio-Medical Library Bulletin, No. 19 (1971-03).
Bio-Medical Library
core  

Surface Engineering of Ti3C2Tx MXenes via Silanol Functionalization for Improved Electrochemical Performance

open access: yesSmall, EarlyView.
This study explores the covalent functionalization of Ti3C2Tx using 5,5′‐bis(triisopropoxysilyl)‐2,2′‐bipyridine in different solvents, revealing that only m‐xylene enables effective covalent bonding, ensuring structural stability and preventing layer swelling.
Abelardo Sánchez‐Oliva   +11 more
wiley   +1 more source

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