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227056

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Paolo Convertini et al.
Chemico-biological interactions, 237, 1-8 (2015-05-20)
Anigopreissin A belongs to stilbene di- and oligomeric forms containing a benzofuran ring system whose biological activity is unknown. Recently, a completely protected Anigopreissin A - Permethylated Anigopreissin A - has been synthesized. We use MTT bioassay to assess Permethylated...
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....
Jian-Yuan Lee et al.
Scientific reports, 5, 16808-16808 (2015-11-26)
The efficiency of forward osmosis (FO) process is generally limited by the internal concentration polarization (ICP) of solutes inside its porous substrate. In this study, mesoporous silica gel (SG) with nominal pore size ranging from 4-30 nm was used as fillers...
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...
Federico Catalano et al.
Small (Weinheim an der Bergstrasse, Germany), 11(24), 2919-2928 (2015-02-18)
The results of a systematic investigation of the role of serum proteins on the interaction of silica nanoparticles (NP) doped in their bulk with fluorescent molecules (IRIS Dots, 50 nm in size), with human mesenchymal stem cells (hMSCs) are reported....
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...
Samuel Eyley et al.
Nanoscale, 7(34), 14413-14421 (2015-08-08)
Cellulose nanocrystals were grafted with imidazole functionalities up to DS 0.06 using a one-pot functionalization strategy. The resulting nanocrystals were shown to have a pH responsive surface charge which was found to be positive below pH 6 and negative above...
Ali Akbar Asgharinezhad et al.
Journal of chromatography. A, 1412, 1-11 (2015-08-19)
The simultaneous extraction of acidic, basic and amphiprotic pollutants from various samples is a considerable and disputable concept in sample preparation strategies. In this study, for the first time, coextraction of acidic, basic and amphiprotic pollutants (polar and apolar) with...
Mikiko Tanaka et al.
Journal of anatomy, 227(1), 81-88 (2015-05-29)
In vertebrates, paired appendages (limbs and fins) are derived from the somatic mesoderm subsequent to the separation of the lateral plate mesoderm into somatic and splanchnic layers. This is less clear for teleosts, however, because the developmental processes of separation...
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...
Kazunori Shimomura et al.
Tissue engineering. Part A, 21(13-14), 2066-2075 (2015-03-31)
Radial tears of the meniscus represent one of the most common injuries of the knee, and result in loss of biomechanical meniscal function. However, there have been no established, effective treatments for radial meniscal tears. Nanofibrous materials produced by electrospinning...
Abhijit Achyut Gurjarpadhye et al.
Tissue engineering. Part C, Methods, 21(7), 758-766 (2014-12-30)
Lumen endothelialization of bioengineered vascular scaffolds is essential to maintain small-diameter graft patency and prevent thrombosis postimplantation. Unfortunately, nondestructive imaging methods to visualize this dynamic process are lacking, thus slowing development and clinical translation of these potential tissue-engineering approaches. To...
Fengchun Zhao et al.
Analytical and bioanalytical chemistry, 407(30), 8959-8970 (2015-10-03)
To develop a broad-specificity immunoassay for organophosphorus pesticides (OPs), a broad-specificity monoclonal antibody (MAb) for OPs against a generic hapten, O,O-diethyl O-(3-carboxyphenyl) phosphorothioate with the carboxy group in the meta position of the benzene ring, was produced. Eight haptens were...
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...
X Wang et al.
Proceedings of the National Academy of Sciences of the United States of America, 96(20), 11081-11084 (1999-09-29)
Chemotherapy is commonly used in the treatment of cancers. However, the mechanism of action of many of these agents is not well understood. We present the synthesis of a two-photon fluorophore (C625) and its biological application when chemically linked to...
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....
Urara Hasegawa et al.
Macromolecular bioscience, 15(11), 1512-1522 (2015-06-24)
Prodrug micelles carrying 5-(4-hydroxyphenyl)-3H-1,2-dithiole-3-thione (ADT-OH), a compound possessing chemopreventive properties, are prepared from amphiphilic block copolymers linking ADT-OH via an ester bond using glycine (PAM-PGlyADT) and isoleucine linkers (PAM-PIleADT). The release of ADT-OH from the PAM-PIleADT micelles is much slower...
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...
Paweł Nakielski et al.
PloS one, 10(6), e0129816-e0129816 (2015-06-20)
Recent biomedical hydrogels applications require the development of nanostructures with controlled diameter and adjustable mechanical properties. Here we present a technique for the production of flexible nanofilaments to be used as drug carriers or in microfluidics, with deformability and elasticity...
Slavko Klobčar et al.
Biomedical chromatography : BMC, 29(12), 1901-1906 (2015-05-27)
The isolation of four oxidative degradation products of atorvastatin using preparative high-performance liquid chromatography applying at least two chromatographic steps is known from the literature. In this paper it is shown that the same four impurities could be isolated from...
Takaki Yamauchi et al.
Plant physiology, 169(1), 180-193 (2015-06-04)
In rice (Oryza sativa) roots, lysigenous aerenchyma, which is created by programmed cell death and lysis of cortical cells, is constitutively formed under aerobic conditions, and its formation is further induced under oxygen-deficient conditions. Ethylene is involved in the induction...
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...
X Y Chen et al.
Poultry science, 94(11), 2597-2603 (2015-10-11)
Cold stress triggers an anti-oxidative response in animals regulated by Nrf2 (nuclear factor 2-like, NFE2L2) binding to deoxyribonucleic acid-regulatory sequences near stress-responsive genes. To identify chicken Nrf2-regulated genes, 3 genetically related experimental groups (EG) with 40 Huainan partridge chickens in...
Natalia Karna et al.
Biopolymers, 104(3), 206-212 (2015-04-24)
Recently, we described a process of trypsin-assisted peptide splicing of analogs of trypsin inhibitor SFTI-1, that seems to be very similar to proteasome-catalyzed peptide splicing. Here, we show, for the first time, that a peptide-peptoid hybrid (peptomer) can also be...
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...
Hyun Jin Kim et al.
Drug delivery and translational research, 4(1), 50-60 (2015-03-20)
For systemic small interfering RNA (siRNA) delivery to tumor mass, a multifunctional polyion complex micelle was constructed with a block copolymer bearing a targeting ligand and a micelle-stabilizing moiety as well as an endosome-disrupting cationic unit. The block copolymer was...
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