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Lipid membranes

Atomistic study of lipid membranes containing chloroform: looking for a lipid-mediated mechanism of anesthesia.

Atomistic study of lipid membranes containing chloroform: looking for a lipid-mediated mechanism of anesthesia.

... extensively studied during the past decades, in part motivated by the desire to understand its toxicity in cells [1]. The damaging effect of chloroform has been attributed to its ability to modify the properties of the ...

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Using zeta-potential measurements to quantify peptide partition to lipid membranes

Using zeta-potential measurements to quantify peptide partition to lipid membranes

... namely tryptophan, tyrosine or phenylalanine (very low signal), and work as reporters of the surrounding environ- ment (Santos and Castanho 2002a ). However, there are some cases where no reporter is available in the ...

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Quantitative analysis of molecular partition towards lipid membranes using surface plasmon resonance

Quantitative analysis of molecular partition towards lipid membranes using surface plasmon resonance

... different lipid surfaces formed on the Biacore L1 sensor chip using con- focal fluorescence ...vesicle membranes and lumen, ...the lipid membranes deposited on the L1 sensor chip surface ...

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Fluorescence studies of protein aggregation leading to amyloid formation: the role of anionic lipid membranes

Fluorescence studies of protein aggregation leading to amyloid formation: the role of anionic lipid membranes

... anionic lipid membranes was also addressed at the end of this ...the lipid concentration, even in the absence of any protein added to the ...anionic lipid membranes does not induce ...

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Assessing the interaction between surfactant-like peptides and lipid membranes

Assessing the interaction between surfactant-like peptides and lipid membranes

... Atomistic molecular dynamics simulations were used to study the interaction of A n K peptides (with n ¼ 3, 6 and 9) in contact with two di fferent types of lipid membranes, DPPC and DPPG. PMF calculations ...

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Modulation of calcitonin amyloid formation by anionic lipid membranes

Modulation of calcitonin amyloid formation by anionic lipid membranes

... with lipid membranes, mainly because of the low quantum yield, low extinction coefficient and short absorption wavelength, as well as its low sensitivity to changes in the surrounding environment (Poveda et ...

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Skin secretion of Siphonops paulensis (Gymnophiona, Amphibia) forms voltage-dependent ionic channels in lipid membranes

Skin secretion of Siphonops paulensis (Gymnophiona, Amphibia) forms voltage-dependent ionic channels in lipid membranes

... Lysins have been isolated from the venom of different animals, as well as from bacteria. Some of them have been shown to cause lysis by opening pores, or forming channels in the cell membrane. Cecropins (6), δ-toxin from ...

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Effects of dimethyl sulfoxide in cholesterol-containing lipid membranes: a comparative study of experiments in silico and with cells.

Effects of dimethyl sulfoxide in cholesterol-containing lipid membranes: a comparative study of experiments in silico and with cells.

... Experiments with living cells have qualitatively confirmed the results from numerical simulations and have demonstrated the feasibility of DMSO-induced membrane permeabilization in living cells. At low DMSO fractions ...

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EFFECT of HEAD GROUP and CURVATURE ON BINDING of the ANTIMICROBIAL PEPTIDE TRITRPTICIN TO LIPID MEMBRANES

EFFECT of HEAD GROUP and CURVATURE ON BINDING of the ANTIMICROBIAL PEPTIDE TRITRPTICIN TO LIPID MEMBRANES

... In this work we examine the interaction between the 13-residue cationic antimicrobial peptide (AMP) tritrpticin (VRRFPWWWPFLRR, TRP3) and model membranes of variable lipid composition. The effect on peptide ...

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S4(13)-PV cell-penetrating peptide induces physical and morphological changes in membrane-mimetic lipid systems and cell membranes: Implications for cell internalization

S4(13)-PV cell-penetrating peptide induces physical and morphological changes in membrane-mimetic lipid systems and cell membranes: Implications for cell internalization

... the lipid bilayer were performed in order to uncover how the S4(13)-PV peptides affect the lateral pressure pro file across the thickness of a DPPG ...40/1 lipid/peptide molar ratio, broaden DPPG transition ...

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Membranes as targets for apoptotic bile acids

Membranes as targets for apoptotic bile acids

... To test if membrane fluidity changes in the presence of DCA were due to Chol sequestration from the membrane, a fluorescent Chol analogue, dehydroergosterol (DHE) was used [77–79]. Unlike other fluorescent sterols [80], ...

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Solid Lipid Nanoparticles and Nanostructured Lipid Carriers: Structure,
Preparation and Application

Solid Lipid Nanoparticles and Nanostructured Lipid Carriers: Structure, Preparation and Application

... LNPs penetrate to biological membranes effectively through receptor-mediated pathway because lipids are the most important components of cell membranes. Thus enhance the uptake of genetic compounds. 64,65 ...

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Production of membranes for filtration of biomolecules

Production of membranes for filtration of biomolecules

... microfiltration membranes, for processing complex suspensions of solids, with high fouling potential (which is the case of cell ly- ...microfiltration membranes, showing a comparable selectivity for retaining ...

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Lipid and non-lipid factors affecting macrophage dysfunction and inflammation in atherosclerosis

Lipid and non-lipid factors affecting macrophage dysfunction and inflammation in atherosclerosis

... been of particular interest. A large-scale clinical trial (named CANTOS) that ended in early 2017 aimed to directly gauge the influence of IL-1β on atherothrombosis ( Ridker et al., 2017 ). Enrolled patients received ...

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Development of exopolysaccharide membranes for dehydration processes

Development of exopolysaccharide membranes for dehydration processes

... Inorganic membranes may offer significant advantages over polymeric membranes, due to higher solvent resistance and thermal ...Inorganic membranes have no limitations in what concerns the range of ...

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Lipid disorders among Black Africans non-users of lipid-lowering medication

Lipid disorders among Black Africans non-users of lipid-lowering medication

... Student’s t test was used to compare the means of two groups. Linear association between lipid fractions and categories of nutritional status was tested with ANCOVA. The chi-squared test was used to compare ...

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Bacterial cellulose membranes as drug deliy systems

Bacterial cellulose membranes as drug deliy systems

... BC-Gly membranes diffused into the stratum corneum and retained water in this skin ...BG-Gly membranes in the therapy of skin lesions where moisturization ameliorates the clinical ...BC membranes ...

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In vivo biocompatibility of nanostructured ChitosanPeo membranes

In vivo biocompatibility of nanostructured ChitosanPeo membranes

... The inflammatory process resulting from the implantation of nanofiber chitosan/PEO membranes was acute and descending according to time, and provided minimal adherence on the interface of the biomaterial and ...

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Sugar-based bactericides targeting phosphatidylethanolamine-enriched membranes

Sugar-based bactericides targeting phosphatidylethanolamine-enriched membranes

... the lipid membrane without triggering any remarkable membrane ...the lipid molecules rather than a general interaction of an amphiphilic compound, such as a fatty acid or a fatty acid derivative, with the ...

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Cork as a raw material for antibacterial membranes and fibers

Cork as a raw material for antibacterial membranes and fibers

... These properties can be explored implementing a technique like Solution Blow Spinning (SBS) for fiber production. This is a promising technique for commercial scale nanofiber production, with lower cost compared to ...

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