Showing 1-30 of 370 results for "

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Martina Abrigo et al.
ACS applied materials & interfaces, 7(14), 7644-7652 (2015-03-24)
Electrospun materials have been widely investigated in the past few decades as candidates for tissue engineering applications. However, there is little available data on the mechanisms of interaction of bacteria with electrospun wound dressings of different morphology and surface chemistry....
HyeongJin Lee et al.
Journal of colloid and interface science, 430, 315-325 (2014-06-30)
Biomedical scaffolds have been widely investigated because they are essential for support and promotion of cell adhesion, proliferation and differentiation in three-dimensional (3D) structures. An ideal scaffold should be highly porous to enable efficient nutrient and oxygen transfer and have...
Stewart R Dods et al.
Journal of chromatography. A, 1376, 74-83 (2014-12-30)
Protein separation is an integral step in biopharmaceutical manufacture with diffusion-limited packed bed chromatography remaining the default choice for industry. Rapid bind-elute separation using convective mass transfer media offers advantages in productivity by operating at high flowrates. Electrospun nanofibre adsorbents...
Shigeo Hayashi et al.
Journal of enzyme inhibition and medicinal chemistry, 29(6), 846-867 (2014-02-13)
Because of the pivotal role of cyclooxygenase (COX) in the inflammatory processes, non-steroidal anti-inflammatory drugs (NSAIDs) that suppress COX activities have been used clinically for the treatment of inflammatory diseases/syndromes; however, traditional NSAIDs exhibit serious side-effects such as gastrointestinal damage...
Yang Li et al.
Macromolecular bioscience, 15(1), 52-62 (2014-12-06)
To address the downside of conventional photo-patterning which can alter the chemical composition of protein scaffolds, we developed a non-covalent photo-patterning strategy for gelatin (denatured collagen) hydrogels that utilizes UV activated triple helical hybridization of caged collagen mimetic peptide (caged...
Sandeep Goyal et al.
Journal of lipid research, 55(9), 1933-1943 (2014-07-16)
Cytochrome P450 (P450 or CYP) 46A1 is expressed in brain and has been characterized by its ability to oxidize cholesterol to 24S-hydroxycholesterol. In addition, the same enzyme is known to further oxidize 24S-hydroxycholesterol to the 24,25- and 24,27-dihydroxy products, as...
Ciğdem Gölgelioğlu et al.
Electrophoresis, 34(2), 331-342 (2012-11-20)
A simple porogen containing only DMF and aqueous buffer was used for synthesis of monolithic stationary media for CEC). Butyl methacrylate (BMA)-based capillary monoliths were obtained using proposed porogen together with acrylic/methacrylic cross-linking agents with different alkyl chain lengths. For...
Emma-Dune Leriche et al.
Molecules (Basel, Switzerland), 19(12), 20731-20750 (2014-12-17)
Highly branched polyamidoamine (PAMAM) dendrimers presenting biological activities have been envisaged as non-viral gene delivery vectors. They are known to associate with nucleic acid (DNA) in non-covalent complexes via electrostatic interactions. Although their transfection efficiency has been proved, PAMAMs present...
Yu-Chih Chiang et al.
ACS nano, 8(12), 12502-12513 (2014-12-09)
The loss of overlying enamel or cementum exposes dentinal tubules and increases the risk of several dental diseases, such as dentin hypersensitivity (causing sharp pain and anxiety), caries, and pulp inflammation. This paper presents a fast-reacting, more reliable and biocompatible...
P Abdul Rasheed et al.
The Analyst, 140(8), 2713-2718 (2015-02-19)
Single stranded DNA fragments were conjugated onto gold nanoparticles leading to the formation of gold nanoparticle clusters upon hybridization with complementary strands. These clusters were successfully implemented for signal amplification in an electrochemical DNA sensor based on a graphene substrate....
Ciro Menale et al.
Pharmaceutical research, 32(2), 362-374 (2014-08-06)
Combined treatment based on cisplatin-loaded Poly(D,L-lactic-co-glicolic)acid (PLGA) nanoparticles (NP-C) plus the NSAID piroxicam was used as novel treatment for mesothelioma to reduce side effects related to cisplatin toxicity. PLGA nanoparticles were prepared by double emulsion solvent evaporation method. Particle size...
Xiaoqin Xiong et al.
Scientific reports, 5, 9254-9254 (2015-03-26)
A flexible membrane consisting of MoS2/carbon nanofibers has been fabricated by a simple electrospinning method. MoS2 nanosheets are uniformly encapsulated in the inter-connected carbon nanofibers with diameters of ~150 nm. When evaluated as a binder-free electrode for sodium-ion batteries, the as-obtained...
Chiara Testa et al.
Journal of medicinal chemistry, 57(22), 9424-9434 (2014-10-28)
Side chain-to-side chain cyclizations represent a strategy to select a family of bioactive conformations by reducing the entropy and enhancing the stabilization of functional ligand-induced receptor conformations. This structural manipulation contributes to increased target specificity, enhanced biological potency, improved pharmacokinetic...
Cristina Dumitriu et al.
Materials science & engineering. C, Materials for biological applications, 45, 56-63 (2014-12-11)
Various TiO2 nanofibers on Ti surface have been fabricated via electrospinning and calcination. Due to different elaboration conditions the electrospun fibers have different surface feature morphologies, characterized by scanning electronic microscopy, surface roughness, and contact angle measurements. The results have...
Marta C Hatzell et al.
Environmental science & technology, 48(23), 14041-14048 (2014-11-05)
The amount of salinity-gradient energy that can be obtained through capacitive mixing based on double layer expansion depends on the extent the electric double layer (EDL) is altered in a low salt concentration (LC) electrolyte (e.g., river water). We show...
Xuepei Zhang et al.
Journal of chromatography. A, 1359, 84-90 (2014-07-30)
A new approach for proteome-wide profiling drug binding proteins by using monolithic capillary affinity chromatography in combination with HPLC-MS/MS is reported. Two immunosuppresive drugs, namely FK506 and cyclosporin A, were utilized as the experimental models for proof-of-concept. The monolithic capillary...
Cui Wang et al.
Environmental pollution (Barking, Essex : 1987), 190, 133-138 (2014-04-22)
Occupational and experimental studies have revealed the organs most affected by dimethylformamide (DMF) are liver and gastrointestinal tract. However, few studies have focused on the potential effect of outdoor pollution of DMF. This study examined the health risk of hospitalization...
Diana Guzman-Villanueva et al.
International journal of pharmaceutics, 473(1-2), 579-590 (2014-07-27)
The RNA interference (RNAi) constitutes a conservative mechanism in eukaryotic cells that induces silencing of target genes. In mammalians, the RNAi is triggered by siRNA (small interfering RNA) molecules. Due to its potential in silencing specific genes, the siRNA has...
Yanlin Lv et al.
Analytica chimica acta, 839, 74-82 (2014-07-30)
A new type of fluorescent probe capable of detecting Ag(+) and Hg(2+) in two independent channels was developed in the present work. Specifically, in CH3CN-MOPS mixed solvents with CH3CN/MOPS ratio (v/v) of 15/85, this type of probe fluoresced weakly, and...
Chengyun Wang et al.
Experimental eye research, 129, 74-82 (2014-12-03)
Dexamethasone is a glucocorticoid that is widely used in the ophthalmic arena. The recent FDA approved dexamethasone implant can provide a three month efficacy but with high rate of drug related cataract and high intraocular pressure (IOP). It seems that...
Gengzhi Sun et al.
Angewandte Chemie (International ed. in English), 54(15), 4651-4656 (2015-02-20)
One of challenges existing in fiber-based supercapacitors is how to achieve high energy density without compromising their rate stability. Owing to their unique physical, electronic, and electrochemical properties, two-dimensional (2D) nanomaterials, e.g., molybdenum disulfide (MoS2 ) and graphene, have attracted...
Guillaume E Beranger et al.
Endocrinology, 155(4), 1340-1352 (2014-02-11)
Osteoporosis and overweight/obesity constitute major worldwide public health burdens that are associated with aging. A high proportion of women develop osteoporosis and increased intraabdominal adiposity after menopause. which leads to bone fractures and metabolic disorders. There is no efficient treatment...
Jianjun Liu et al.
PloS one, 9(9), e108816-e108816 (2014-10-01)
Hand, foot, and mouth disease (HFMD) affects more than one million children, is responsible for several hundred child deaths every year in China and is the cause of widespread concerns in society. Only a small fraction of HFMD cases will...
Zhen Wang et al.
The Journal of pharmacology and experimental therapeutics, 352(1), 61-66 (2014-10-31)
Microvascular failure is hallmark of sepsis in humans and is recognized as a strong predictor of mortality. In the mouse subjected to cecal ligation and puncture (CLP) to induce a clinically relevant sepsis, renal microvascular permeability increases and peritubular capillary...
Krysti Todd et al.
Biochimica et biophysica acta, 1842(12 Pt A), 2457-2467 (2014-09-28)
Familial British dementia (FBD) is an early-onset non-amyloid-β (Aβ) cerebral amyloidosis that presents with severe cognitive decline and strikingly similar neuropathological features to those present in Alzheimer's disease (AD). FBD is associated with a T to A single nucleotide transition...
Hanadi Y Medrasi et al.
Molecules (Basel, Switzerland), 18(1), 535-544 (2013-01-04)
Benzylcyanide and 4-nitrobenzylcyanide condensed with triethyl orthoformate and piperidine or morpholine to yield 2-aryl-2-piperidinyl or 2-morpholinylacrylonitriles. These coupled with aromatic diazonium salts to yield the 2-arylhydrazno-2-arylethane nitriles in good yields. The latter were converted into 4-aminopyrazoles in good yields using...
Ting He et al.
Clinical science (London, England : 1979), 129(1), 49-61 (2015-02-24)
The integrity of the vascular barrier, which is essential to blood vessel homoeostasis, can be disrupted by a variety of soluble permeability factors during sepsis. Pigment epithelium-derived factor (PEDF), a potent endogenous anti-angiogenic molecule, is significantly increased in sepsis, but...
Kun Liu et al.
Nanoscale, 4(20), 6574-6580 (2012-09-15)
Studies on the self-assembly of metal nanoparticles (NPs) in the presence of ions are motivated by the biosensing applications of NP clusters and the capability to control the morphology of clusters of oppositely charged NPs. The effect of ions has...
Synthesis and electrochemical characterization of aPEO-based polymer electrolytes.
Rodrigues LC, et al.
Journal of Solid State Electrochemistry, 16(4), 1623-1629 (2012)
Benjamin Horev et al.
ACS nano, 9(3), 2390-2404 (2015-02-11)
Development of effective therapies to control oral biofilms is challenging, as topically introduced agents must avoid rapid clearance from biofilm-tooth interfaces while targeting biofilm microenvironments. Additionally, exopolysaccharides-matrix and acidification of biofilm microenvironments are associated with cariogenic (caries-producing) biofilm virulence. Thus...