Find your PDFs fast.
Welcome to the Pubget Medical Subject Headings (MESH) browser. Click on a topic or subtopic below to explore related papers. In the gold box is the most recent paper about the current MESH term, and below are 20 related papers.
Surface-Active Agents (5):
Recent article
Surface-Active Agents
Abstract
Increasing interest in biological surfactants has led to intensified research directed at more cost-efficient production of biosurfactants, relative to traditional surface-active components based on petrochemical feedstocks. This publication will focus on a new integrated process for...
|
PMID: 21567991
PDF is available here.
PDF is available here.
| < More recent | Older article > |
Abstract
At the turn of the millennium, a new generation of lipid nanoparticles for pharmacology was developed, nanostructured lipid carriers (NLC). The features of NLC structure which allow the inclusion of natural biologically active lipids in the NLC matrix open a wide prospect for the creation of high per...
|
PMID: 21699068
PDF is available here.
PDF is available here.
Abstract
The purpose of this study was to prepare a temperature-sensitive gel containing silver nanoparticles and to investigate its anti-bacterial properties in vitro. The aqueous gel was prepared using Pluronic F127 (18-22%) and Pluronic F68 (3-9%) in a cold method to obtain a proper gelati...
|
PMID: 21612154
PDF is available here.
PDF is available here.
Abstract
We have demonstrated that the Arg-Phe dipeptide dramatically accelerates the aggregation of a model protein, α-lactalbumin, to generate morphologically different structures. TEM revealed transformation of spherical particles observed in the control samples into branched chains of fibril-like nanost...
|
PMID: 21365787
PDF is available here.
PDF is available here.
Abstract
To review the evidence for the presence of bacterial biofilms in chronic rhinosinusitis (CRS) and mechanisms by which they may contribute to the chronic inflammation characteristic of this disease. Lastly, to provide an overview of the current and potential future treatments for bact...
|
PMID: 21150431
PDF is available here.
PDF is available here.
Acta Biomaterialia (7)2 2011
Abstract
An attractive strategy for bone tissue engineering is the use of extracellular matrix (ECM) analogous biomaterials capable of governing biological response based on synthetic cell-ECM interactions. In this study, peptide amphiphiles (PAs) were investigated as an ECM-mimicking biomate...
|
PMID: 20728586
PDF is available here.
PDF is available here.
Acta Biomaterialia (7)1 2011
Abstract
Current cardiovascular therapies are limited by the loss of endothelium, restenosis and thrombosis. The goal of this study was to develop a biomimetic hybrid nanomatrix that combined the unique properties of electrospun polycaprolactone (ePCL) nanofibers with self-assembled peptide a...
|
PMID: 20728588
PDF is available here.
PDF is available here.
Abstract
We report our studies carried out on the interaction between IMP and gelatin in aqueous medium at 25°C using conductimetry, surface tensiometry and circular dichroism (CD) techniques. Both surface tensiometry and conductimetry results indicate that the drug interacts with the gelatin in a surfactan...
|
PMID: 20870394
PDF is available here.
PDF is available here.
Abstract
These results indicate that the limonene microemulsion system is a promising tool for the percutaneous delivery of curcumin.
Copyright © 2010 Elsevier B.V. All rights reserved....
|
PMID: 20828994
PDF is available here.
PDF is available here.
Abstract
Treatment of soils contaminated with chlorinated hydrophobic organic compounds (CHOCs) remains a challenge for environmental scientists worldwide. In this study surfactant-enhanced electrokinetics (SEEK) was coupled with permeable reactive barrier (PRB) composed of microscale Pd/Fe to treat a hexach...
|
PMID: 20813457
PDF is available here.
PDF is available here.
Abstract
We investigate how adsorption and micelle formation affects the effective interaction between two colloidal particles, and hence, the stability of the colloidal dispersion. For solvophilic colloidal surfaces, we observe a short-ranged oscillatory solvation pressure that is hardly affected by the pre...
|
PMID: 20949141
PDF is available here.
PDF is available here.
Critical Care Medicine (38)12 2010
Abstract
Chemical Communications (46)42 2010
Abstract
A new class of amphiphilic dendrimers, which can be readily adsorbed on the surface of singlewalled carbon nanotubes (SWNTs) to improve their dispersibility in aqueous medium, were synthesized. The adsorbed dendrimers can be replaced by other amphiphiles, such as sodium dodecylbenzene sulfonate (SDB...
|
PMID: 20838696
PDF is available here.
PDF is available here.
Abstract
Well uniform microspheres of phase pure Covellite were synthesized through a simple hydrothermal approach using poly vinyl pyrrolidone (PVP) as surfactant. The micro-spheres were constituted of numerous self-organized knitted nano-ribbons of ∼ 30 nm thickness. The effect of conc. PVP in the hydrot...
|
PMID: 20830395
PDF is available here.
PDF is available here.
Abstract
Implanted polymeric materials, such as medical devices, provoke the body to initiate an inflammatory reaction, known as the foreign body response (FBR), which causes several complications. In this study, polyurethane (Tecoflex®, PU) surface modified with the nonionic surfactant Tween80® (PU/T80) a...
|
PMID: 20648535
PDF is available here.
PDF is available here.
Water Environment Research (82)11 2010
Abstract
In an attempt to enhance the effectiveness of air sparging, two sets of experiments were designed to investigate the mechanisms and effect of surfactant-enhanced air sparging (SEAS). The first set was performed at different surface tensions and with different kinds of surfactants (sodium dodecyl ben...
|
PMID: 21141387
PDF is available here.
PDF is available here.
Pediatric Research (68)5 2010
Abstract
We hypothesized that administration of surfactant through a laryngeal mask airway (LMA) is as effective as administration through an endotracheal tube (ETT) and that time and physiologic changes during instrumentation will be less in the LMA group. This study is a randomized, controlled trial using...
|
PMID: 20613684
PDF is available here.
PDF is available here.
Abstract
Lipopeptides constitute a structurally diverse group of metabolites produced by various bacterial and fungal genera. In the past decades, research on lipopeptides has been fueled by their antimicrobial, antitumour, immunosuppressant and surfactant activities. However, the natural functions of lipope...
|
PMID: 20412310
PDF is available here.
PDF is available here.
Abstract
The interaction between photosensitizer anticancer drug hematoporphyrin monomethyl ether (HMME) and ctDNA has been studied based on the decreased resonance light scattering (RLS) phenomenon. The RLS, UV-vis and fluorescence spectra characteristics of the HMME-ctDNA system were investigated. Besides,...
|
PMID: 20643575
PDF is available here.
PDF is available here.
Abstract
A malayaite pigment was synthesized with wastewater containing low chromium (Cr)(VI) by a novel liquid-phase reaction method. The effects of the particle size of the precursor and calcination temperature on the final product are examined. The result of scanning electron microscopy shows that the obt...
|
PMID: 21090553
PDF is available here.
PDF is available here.
Biomedical Materials (5)5 2010
Abstract
Electrospinning of fibrous tissue engineering scaffolds has been traditionally conducted using positive voltages. In the current study, positive voltage (PV) electrospinning and negative voltage (NV) electrospinning were investigated for forming fibrous membranes of poly(hydroxybutyr...
|
PMID: 20876963
PDF is available here.
PDF is available here.
Abstract
A new high-sensitivity detection of protein assay at the nanogram level is proposed based on multi-spectroscopic methods including resonance light scattering (RLS), atomic force microscopy (AFM), ultraviolet spectra (UV) and fluorescence spectra etc. Under the optimum conditions, the amplified RLS s...
|
PMID: 20638325
PDF is available here.
PDF is available here.
Abstract
We obtained baseline data on the timing of initial surfactant dose. The intervention was designed using a series of Plan-Do-Study-Act cycles. The authors changed the process of surfactant administration to include administration of surfactant in the delivery room and a respiratory therapist on the d...
|
PMID: 20595716
PDF is available here.
PDF is available here.
Abstract
These results complement other studies, suggesting that surface density of the targeting moiety on the NP surface should be considered to enhance the effect of ligands used for cell targeting....
|
PMID: 20922813
PDF is available here.
PDF is available here.
Abstract
The main objective of the study was to investigate the efficacy of microemulsion (ME) to facilitate bioavailability of puerarin (PUE) after oral and nasal administration. The pseudo-ternary phase diagrams were constructed to screen the ME components and optimize the ME formulation. The optimized form...
|
PMID: 20862776
PDF is available here.
PDF is available here.
Abstract
A fast and convenient spectroscopic methodology to determine the water uptake capacity of amphiphile assemblies studied in multilayer films is presented. This method was developed to provide a reliable but relatively simple tool for estimating the binding potency of such complex systems. The water-b...
|
PMID: 20635078
PDF is available here.
PDF is available here.
Abstract
This paper reports on an inkjet printing method for the fabrication of lateral flow immunochromatographic devices made from a single piece of filter paper by patterning microfluidic channels and dispensing immunosensing inks, requiring only a single printing apparatus. This "paperfluidic" immunosens...
|
PMID: 20652543
PDF is available here.
PDF is available here.
Abstract
The need for new products derived from natural sources for the replacement of the commonly used non-ionic surfactants containing ethylene oxide units with degradable carbohydrate headgroups has become an important area of research. Glycolipids offer a wide range of applications in the pharmaceutical...
|
PMID: 20716018
PDF is available here.
PDF is available here.
Scientific American (303)3 2010
Abstract
Chemical Society Reviews (39)9 2010
Abstract
Short synthetic peptide amphiphiles have recently been explored as effective nanobiomaterials in applications ranging from controlled gene and drug release, skin care, nanofabrication, biomineralization, membrane protein stabilization to 3D cell culture and tissue engineering. This range of applicat...
|
PMID: 20498896
PDF is available here.
PDF is available here.
Abstract
Our results report a novel mechanism through which P188 exerts its protective effects on cartilage in the model of acute injury. In addition to its effect on cellular membrane, P188 affects stress-related p38 signaling, apoptosis-related GSK3, and inflammation-related IL-6 signaling. Taken together,...
|
PMID: 20736797
PDF is available here.
PDF is available here.
Dental Materials Journal (29)4 2010
Abstract
The purpose of this study was to investigate the properties of a die hardener penetrated layer and evaluate its protective effects on the surface of die stone. A commercial die hardener (PDQ die hardener, Whipmix corp., USA) was tested on a die stone (GC Fujirock EP die stone, GC Europe, Belgium) an...
|
PMID: 20657152
PDF is available here.
PDF is available here.
Bioresource Technology (101)15 2010
Abstract
Lignin in pretreated cellulosic biomass can non-productively adsorb cellulase, resulting in loss of a significant portion of this expensive protein. In addition, lignin interferes with the path for cellulase action, slowing down hydrolysis. Thus, the effectiveness of enzymatic hydrolysis of pretreat...
|
PMID: 20304637
PDF is available here.
PDF is available here.
Bioresource Technology (101)15 2010
Abstract
I and II, was analyzed by matrix assisted laser desorption/ionization time of flight (MALDI TOF) mass spectrometry and tandem mass spectrometry (MS/MS). Both compounds are novel cyclic lipopeptides with a palmitic acid connected to the terminal amino group of eighth amino acid in peptide moiety. The...
|
PMID: 20303744
PDF is available here.
PDF is available here.
Abstract
A cost-effective way to reduce half-life for the degradation of PHC of contaminated soil of the refinery will be a periodic revolving of the soil, like tillage, in order to expose to the oxidative atmosphere the different layers of contaminated soil. A combination of soil revolving with bioaugmentat...
|
PMID: 20229281
PDF is available here.
PDF is available here.
Abstract
There is a lack of fundamental knowledge about the scale up of biosurfactant production. In order to develop suitable technology of commercialization, carrying out tests in shake flasks and bioreactors was essential. A reactor with integrated foam collector was designed for biosurfactant production...
|
PMID: 20084470
PDF is available here.
PDF is available here.
Abstract
We propose a process at industrial scale using a psychrophilic yeast to produce naturally gamma-decalactone from castor oil which acts also as a detoxifying agent; moreover the process was improved by adding a natural gum....
|
PMID: 19680818
PDF is available here.
PDF is available here.
Abstract
The effect of novel surfactants on the aqueous solubility and the permeability of paclitaxel across a Caco-2 cell monolayer were examined in this work. The solubility and permeability of paclitaxel was evaluated in the presence of four soft surfactants (SS) KXN441, KXN424, KXN437, an...
|
PMID: 20198687
PDF is available here.
PDF is available here.
Abstract
A novel nanocrystal formulation of hydrophobic drugs has been developed for cancer therapy. The new method, called a three-phase nanoparticle engineering technology (3PNET), includes three phases: phase 1, amorphous precipitate; phase 2, hydrated amorphous aggregate; and phase 3, sta...
|
PMID: 20564383
PDF is available here.
PDF is available here.
Abstract
Unique, porous gold nanobelts consisting of self-organized nanoparticles were synthesized in a high yield by morphology-preserved transformation from metal-surfactant complex precursor nanobelts formed by a bolaform surfactant dodecane-1,12-bis(trimethylammonium bromide) (N-C(12)-NBr(2)) and HAuCl(4...
|
PMID: 20503996
PDF is available here.
PDF is available here.
Abstract
We report the synthesis of a new class of amphiphilic amide nitrones. Their hydroxyl radical scavenging activity and radical reducing potency were shown using ABTS competition and ABTS(+) reduction assays, respectively. Cyclic voltammetry was used to investigate their redox behavior, and the effects...
|
PMID: 20527971
PDF is available here.
PDF is available here.
Journal of Fluorescence (20)4 2010
Abstract
It is found that silver nanoparticles (AgNPs) can further enhance the fluorescence intensity of curcumin (CU)-cetyltrimethylammonium bromide (CTAB)-nucleic acids and improve its anti-photobleaching activity. Under optimum conditions, the enhanced fluorescence intensity is proportion to the concentra...
|
PMID: 20204682
PDF is available here.
PDF is available here.
Abstract
We isolated and purified rhamnolipids from Pseudomonas aeruginosa strain BS-161R and these purified rhamnolipids were used to synthesize silver nanoparticles. The purified rhamnolipids were further characterized and the structure was elucidated based on one- and two-dimensional (1)H and (13)C NMR, F...
|
PMID: 20668398
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to evaluate rheological properties and release of terbinafine (an antifungal drug) from chitosan hydrogels, and test some additives as possible solvents, preservatives and potential chemical penetration enhancers. The release of terbinafine was better from hydrogel with gly...
|
PMID: 20662323
PDF is available here.
PDF is available here.
Abstract
We found a positive correlation between the formation rate of calcitriol and inhibition of the 3H-thymidine incorporation rate into the DNA of keratinocytes. Intracellularly generated calcitriol causes a clear increase of the cell diameter, and thus has a prodifferentiating effect on keratinocytes i...
|
PMID: 20153426
PDF is available here.
PDF is available here.
Abstract
The fluorescence characteristics of protein molecules are mainly due to their tryptophan (Trp), tyrosine (Tyr) and phenylalanine (Phe) residues, among which tryptophan is the most important. Studying the influence of the micro-environment on tryptophan fluorescence can give us direct and convincing...
|
PMID: 20363661
PDF is available here.
PDF is available here.
Abstract
In this paper, a series of organoclays were prepared from montmorillonites with different CEC and surfactants with different alkyl chain numbers and chain length. Then, FTIR spectroscopy using ATR, DRIFT and KBr pressed disk techniques was used to characterize the local environments of surfactant an...
|
PMID: 20363664
PDF is available here.
PDF is available here.
Abstract
Alterations in the activity of enzymes Acid phosphatase (E.C.3.1.3.2) and Alkaline phosphatase (EC 3.1.3.1) in organs such as liver, gills and muscle of rohu following its exposure to surfactants viz. CTAB, SDS and Triton X-100 were analyzed. Different levels of exposure were given depending on the...
|
PMID: 21186708
PDF is available here.
PDF is available here.
Abstract
Controlled rainfall experiments utilizing drop-forming rainfall simulators were conducted to study various factors contributing to off-target transport of off-the-shelf formulated pyrethroid insecticides from concrete surfaces. Factors evaluated included active ingredient, product formulation, time...
|
PMID: 20524665
PDF is available here.
PDF is available here.
Abstract
Cationic surfactants modified clays exhibit high sorptive capability toward anionic radionuclides but retention of cationic radionuclides was concurrently reduced. In this study, organoclays were synthesized by intercalating a variety of primary/quaternary alkylammonium species (NH(2)R/(CH(3))(3)N(+...
|
PMID: 20536145
PDF is available here.
PDF is available here.
Lab On a Chip (10)12 2010
Abstract
We report a cost-efficient Attenuated Total Reflection Fourier Transform Infrared Spectroscopy (ATR-FTIR) method for monitoring concentrations of solutes in solutions flowing through microfluidic channels. The method allows rapid acquisition of spectra and enables chemical characterisation and conce...
|
PMID: 20376405
PDF is available here.
PDF is available here.
Abstract
In this work, the extraction of Congo red (CR), an anionic disazo direct dye, from aqueous solutions by emulsion liquid membrane (ELM) was investigated. The important operational parameters governing emulsion stability and extraction behavior of dye were studied. The extraction of CR was influenced...
|
PMID: 20211520
PDF is available here.
PDF is available here.
Abstract
The facilitated extraction of Cr(VI) through an emulsion liquid membrane (ELM) was investigated, using tributyl phosphate (TBP) as mobile carrier. The emulsion liquid membrane phase consists of kerosene as diluent, TBP as carrier, SPAN 80 as surfactant and (NH(4))(2)CO(3) solution as stripping phase...
|
PMID: 20227829
PDF is available here.
PDF is available here.
Abstract
The saturated level of cationic exchange capacity (CEC) of bentonite by organic cations can significantly influence the sorption capacity of the resulting organobentonites. In this work cationic polyacrylamide (CPAM) was applied to saturate part of the CEC of the cetyltrimethylammonium (CTMA) modifi...
|
PMID: 20303663
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
This paper presents a comprehensive study on removal of chromium(III) from aqueous waste solution using emulsion liquid membrane (ELM). The study has highlighted the importance of emulsion stability for maximizing the removal of chromium(III). The ELM consists of tri-n-butyl phosphate (TBP) as a car...
|
PMID: 20122791
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
The addition of 0.5mM catechol is shown to accelerate the degradation and mineralization of the anionic surfactant DowFax 2A1 (sodium dodecyldiphenyloxide disulfonate) under conventional Fenton reaction conditions (Fe(II) plus H(2)O(2) at pH 3). The catalytic effect causes a 3-fold increase in the i...
|
PMID: 20181425
PDF is available here.
PDF is available here.
Abstract
We hypothesize that small molecule inhibitors of human neutrophil elastase are ineffective because of rapid clearance from the lungs. To develop a long-acting elastase inhibitor with a lung pharmacodynamic profile that has minimal immunogenicity, we covalently linked an elastase inhibitor, similar t...
|
PMID: 20534582
PDF is available here.
PDF is available here.
Abstract
A newly isolated Anoxybacillus sp. 527 was found to grow on crystalline cellulose as sole carbon and energy sources. Cellulases secreted by strain 527 were better induced by cellobiose, followed by glucose, lactose, sucrose, and cellulose. Cellulase secretion was enhanced by an optim...
|
PMID: 19504357
PDF is available here.
PDF is available here.
Abstract
Inkjet dispensing is a promising method for patterning cells and biomaterials for tissue engineering applications. In a novel approach, this work uses a biocompatible surfactant to improve the reliability of droplet formation in piezoelectric drop-on-demand inkjet printing of Hep G2...
|
PMID: 20811131
PDF is available here.
PDF is available here.
The efficacy of spironolactone in the treatment of acute respiratory distress syndrome-induced rats.
Abstract
This study aimed to test the feasibility of spironolactone treatment in comparison with a surfactant in the early stage of acute respiratory distress syndrome (ARDS) in rats, as assessed by the acute lung injury (ALI) score, blood gas, brain natriuretic peptide (BNP) and N-terminal pro-brain natriur...
|
PMID: 20658111
PDF is available here.
PDF is available here.