Results 31 to 40 of about 1,065,850 (292)

Electrical charge on ferroelectric nanocomposite membranes enhances SHED neural differentiation

open access: yesBioactive Materials, 2023
Stem cells from human exfoliated deciduous teeth (SHED) uniquely exhibit high proliferative and neurogenic potential. Charged biomaterials have been demonstrated to promote neural differentiation of stem cells, but the dose-response effect of electrical ...
Xiaochan Li   +8 more
doaj   +1 more source

Effects of Nano-TiO2 Mediated Photocatalysis on Microcystis aeruginosa Cells

open access: yesApplied Sciences, 2018
The effects of nano-TiO2 mediated photocatalysis on Microcystis aeruginosa, a common species that causes algal bloom, were studied. The metabolic activity of the M.
Xiaojuan Chen, Yining Gao, Peng Liu
doaj   +1 more source

The Staphylococcus aureus Methicillin Resistance Factor FmtA Is a d-Amino Esterase That Acts on Teichoic Acids

open access: yesmBio, 2016
The methicillin resistance factor encoded by fmtA is a core member of the Staphylococcus aureus cell wall stimulon, but its function has remained elusive for the past two decades.
Muhammad M. Rahman   +5 more
doaj   +1 more source

Charge order at magnetite Fe3O4(001): surface and Verwey phase transitions

open access: yes, 2014
At ambient conditions, the Fe$_3$O$_4$(001) surface shows a $(\sqrt{2}\times \sqrt{2})R45^o$ reconstruction that has been proposed as the surface analog of the bulk phase below the Verwey transition temperature, T$_V$.
Bernal-Villamil, Ivan, Gallego, Silvia
core   +1 more source

Protein adsorption onto Fe3O4 nanoparticles with opposite surface charge and its impact on cell uptake

open access: yes, 2014
Nanoparticles (NPs) engineered for biomedical applications are meant to be in contact with protein-rich physiological fluids. These proteins are usually adsorbed onto the NP surface, forming a swaddling layer called protein corona that influences cell ...
Catalayud, M. P.   +5 more
core   +1 more source

Trypanosoma cruzi: cell charge distribution

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 1985
Differences in cell charge between epimastigote and trypomastigote populations were compared in Y, Cl and Colombiana strains of T. cruzi. Trypomastigote populations were more homogenous in relation to cell charge than epimastigotes.
T. Langenbach
doaj   +1 more source

Influence of cell surface characteristics on adhesion of Saccharomyces cerevisiae to the biomaterial hydroxylapatite [PDF]

open access: yes, 2010
The influence of the physicochemical properties of biomaterials on microbial cell adhesion is well known, with the extent of adhesion depending on hydrophobicity, surface charge, specific functional groups and acid–base properties.
Walker, Graeme M., White, Jane S.
core   +3 more sources

Model charged cylindrical nanopore in a colloidal dispersion: charge reversal, overcharging and double overcharging [PDF]

open access: yes, 2017
Using the hypernetted-chain/mean spherical approximation (HNC/MSA) integral equations we study the electrical double layer inside and outside a model charged cylindrical vesicle (nanopore) immersed into a primitive model macroions solution, so that the ...
González-Tovar, E., Lozada-Cassou, M.
core   +5 more sources

Zeta potential change of Neuro-2a tumor cells after exposure to alumina nanoparticles [PDF]

open access: yes, 2016
In recent years, researches have paid much attention to the physical, chemical, biophysical and biochemical properties of a cell surface. It is known that most of the cells’ surfaces are charged.
Fomenko, Alla Nikolaevna   +2 more
core   +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

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