Results 41 to 50 of about 118,468 (305)

Efficient Adsorptive Removal of Phosphonate Antiscalant HEDP by Mg-Al LDH

open access: yesSeparations
Phosphonate-based antiscalants such as 1-hydroxyethane-1,1-diphosphonic acid (HEDP) are extensively employed in industrial water treatment but pose significant environmental challenges due to their persistence and phosphorus content. In this study, Mg-Al
Changjin Guo   +5 more
doaj   +1 more source

Surface Complexation Modeling of Biomolecule Adsorptions onto Titania

open access: yesColloids and Interfaces, 2019
The adsorption of nucleic acid components on the surface of nanocrystalline titanium dioxide (anatase, pHpzc = 6.5) in NaCl solutions was investigated using potentiometric titrations and multibatch adsorption experiments over a wide range of pH and ionic
Nataliya N. Vlasova, Olga V. Markitan
doaj   +1 more source

Supramolecular Nanostructures Constructed from Cluster-based Hybrid Macromolecules

open access: yesGiant, 2020
: Molecular clusters are valuable building blocks to synthesize hybrid macromolecules, and consequently achieve diverse supramolecular nanostructures via self-assembly.
Jiancheng Luo   +4 more
doaj   +1 more source

Robustness surfaces of complex networks [PDF]

open access: yesScientific Reports, 2014
Despite the robustness of complex networks has been extensively studied in the last decade, there still lacks a unifying framework able to embrace all the proposed metrics. In the literature there are two open issues related to this gap: (a) how to dimension several metrics to allow their summation and (b) how to weight each of the metrics.
Manzano, Marc   +4 more
openaire   +7 more sources

Effects of the Fluid Replacement Method During Online Hemodiafiltration on the Solute Removal Performance and Biocompatibility Using the Asymmetric Cellulose Triacetate Membrane

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Pre‐dilution online hemodiafiltration (Pre‐HDF) is predominantly used in Japan, whereas post‐dilution online HDF (Post‐HDF) is more common in Europe. An asymmetric cellulose triacetate (ATA) membrane may improve biocompatibility.
Kenji Sakurai   +4 more
wiley   +1 more source

Natural brown coal as an adsorbent for manganese removal from groundwater: A mechanistic and operational evaluation

open access: yesJournal of Groundwater Science and Engineering
This study investigates the potential of natural Brown Coal (BC) as a sustainable, cost-effective adsorbent for the removal of manganese (Mn2+) from contaminated groundwater.
Obiri-Nyarko F   +4 more
doaj   +1 more source

Surface Reactions in Natural Aqueous Colloidal Systems

open access: yesCHIMIA, 1989
Natural colloids are mixtures of inorganic and organic polymers resulting from weathering processes. These materials include layer-type aluminosilicates, hydrous oxides, and biodegraded organic matter.
Garrison Sposito
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Thermodynamics of nano-spheres encapsulated in virus capsids

open access: yes, 2009
We investigate the thermodynamics of complexation of functionalized charged nano-spheres with viral proteins. The physics of this problem is governed by electrostatic interaction between the proteins and the nano-sphere cores (screened by salt ions), but
Antonio Šiber   +5 more
core   +1 more source

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