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Toshiki Matsui et al.
Acta biomaterialia, 13, 32-41 (2014-12-03)
Polylactic acid (PLA) is a candidate material to prepare scaffolds for 3-D tissue regeneration. However, cells do not adhere or proliferate well on the surface of PLA because it is hydrophobic. We report a simple and rapid method for inducing
Màrius Tarrés et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 20(48), 15808-15815 (2014-10-09)
This paper presents a novel and unique feature of metallacarboranes, consisting of the linkage of this redox electro-active site to a stretchable polymer. This is based on polyTHF, a known and applied material. This hybrid material has the two ends
Ayşegül Doğan et al.
Materials science & engineering. C, Materials for biological applications, 44, 246-253 (2014-10-05)
Scaffold-based bone defect reconstructions still face many challenges due to their inadequate osteoinductive and osteoconductive properties. Various biocompatible and biodegradable scaffolds, combined with proper cell type and biochemical signal molecules, have attracted significant interest in hard tissue engineering approaches. In
Masazumi Tamura et al.
Nature communications, 6, 8580-8580 (2015-10-06)
Multidentate materials formed by simply mixing heterogeneous and homogeneous components are promising for construction of versatile active sites on the surface of heterogeneous compounds, however, to the best of our knowledge, there are no reports on such materials. Self-assembly of
Niels M B Smeets et al.
Acta biomaterialia, 10(10), 4143-4155 (2014-06-10)
The potential of poly(oligoethylene glycol methacrylate) (POEGMA) hydrogels with varying thermosensitivities as soft materials for biomedical applications is demonstrated. Hydrogels are prepared from hydrazide and aldehyde functionalized POEGMA precursors, yielding POEGMA hydrogels with a volume phase transition temperature (VPTT) below
A Pan et al.
Langmuir : the ACS journal of surfaces and colloids, 28(39), 13830-13843 (2012-09-07)
Mixed aquo-organic solvents are used in chemical, industrial, and pharmaceutical processes along with amphiphilic materials. Their fundamental studies with reference to bulk and interfacial phenomena are thus considered to be important, but such detailed studies are limited. In this work
Preethi Vijayaraj et al.
Cell reports, 29(11), 3488-3505 (2019-12-12)
Progressive organ fibrosis accounts for one-third of all deaths worldwide, yet preclinical models that mimic the complex, progressive nature of the disease are lacking, and hence, there are no curative therapies. Progressive fibrosis across organs shares common cellular and molecular
M V Tsyvins'ka et al.
Ukrains'kyi biokhimichnyi zhurnal (1999 ), 85(5), 170-176 (2014-02-01)
The authors have proposed method of separation of methanol extract of Lactarius pergamenus basidiomes and investigation of fractions extracted with hexane which, according to our previous studies, possess the highest antiproliferative and antifungal activity. Main attention was given to fractionation
Jinyue Ding et al.
Nature communications, 5, 5474-5474 (2014-11-19)
Non-aromatic nitrogen- and oxygen-containing heterocycles such as piperidines and pyrans are prevalent components of natural products and pharmaceutical drugs. Although it has been a workhorse as a synthetic method for assembling unsaturated sp(2)-hybridized substrates, transition metal-catalysed cross-coupling chemistry is traditionally
Xiaohua Liu et al.
Biomaterials, 31(2), 259-269 (2009-09-29)
It remains a challenge to synthesize functional materials that can develop advanced scaffolding architectures for tissue engineering. In this study, a series of biodegradable amphiphilic poly(hydroxyalkyl (meth)acrylate)-graft-poly(l-lactic acid) (PHAA-g-PLLA) copolymers have been synthesized and fabricated into nano-fibrous scaffolds. These copolymers
Paul Chatelain et al.
Angewandte Chemie (International ed. in English), 58(42), 14959-14963 (2019-08-24)
Ideal organic syntheses involve the rapid construction of C-C bonds, with minimal use of functional group interconversions. The Suzuki-Miyaura cross-coupling (SMC) is a powerful way to form biaryl linkages, but the relatively similar reactivity of electrophilic partners makes iterative syntheses
P G van Rhee et al.
Nature communications, 5, 5010-5010 (2014-09-25)
Stomatocytes are polymersomes with an infolded bowl-shaped architecture. This internal cavity is connected to the outside environment via a small 'mouth' region. Stomatocytes are assembled from diamagnetic amphiphilic block-copolymers with a highly anisotropic magnetic susceptibility, which permits to magnetically align
Joshua J Pacheco et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(23), 8363-8367 (2014-06-10)
Terephthalic acid (PTA), a monomer in the synthesis of polyethylene terephthalate (PET), is obtained by the oxidation of petroleum-derived p-xylene. There is significant interest in the synthesis of renewable, biomass-derived PTA. Here, routes to PTA starting from oxidized products of
Jonathan B Grimm et al.
Nature methods, 12(3), 244-250 (2015-01-20)
Specific labeling of biomolecules with bright fluorophores is the keystone of fluorescence microscopy. Genetically encoded self-labeling tag proteins can be coupled to synthetic dyes inside living cells, resulting in brighter reporters than fluorescent proteins. Intracellular labeling using these techniques requires
Imran Ali et al.
Methods in molecular biology (Clifton, N.J.), 970, 127-135 (2013-01-04)
Immobilized polysaccharide chiral stationary phases (CSPs) are a new development in chiral chromatography with increasing importance for the resolution of racemic compounds. These CSPs can be used with solvents traditionally applied for the classical coated polysaccharide CSPs as well as
Javier Fernández-Lodeiro et al.
Inorganic chemistry, 52(1), 121-129 (2012-12-13)
Two novel fluorescent probes bearing a single (P) and two (a podand-like structure, L) pyrene units derived from 1,5-bis(2-aminophenoxy)-3-oxopentane have been synthesized and investigated in dioxane using UV-vis absorption, and steady-state and time-resolved (in a picosecond time scale) emission spectroscopy;
Uthen Thubsuang et al.
Journal of colloid and interface science, 459, 241-249 (2015-08-25)
Polybenzoxazine has been successfully synthesized by a facile quasi-solventless method and used as a precursor for producing carbon xerogels via an ambient drying method, rather than usually used CO2 critical or freeze drying. In this work, we aim to study
Krassimira Yoncheva et al.
International journal of pharmaceutics, 490(1-2), 298-307 (2015-06-01)
The aim of the present study was to develop curcumin loaded cationic polymeric micelles and to evaluate their loading, preservation of curcumin antioxidant activity and intracellular uptake ability. The micelles were prepared from a triblock copolymer consisting of poly(ϵ-caprolactone) and
Sasanka Dalapati et al.
Nature communications, 6, 7786-7786 (2015-07-17)
Covalent organic frameworks (COFs) are an emerging class of highly ordered porous polymers with many potential applications. They are currently designed and synthesized through hexagonal and tetragonal topologies, limiting the access to and exploration of new structures and properties. Here
Masaki Moriyama et al.
Advanced healthcare materials, 4(4), 569-575 (2014-09-13)
Antioxidant micelles capable of scavenging reactive oxygen species (ROS) are prepared from poly(ethylene glycol)-b-poly(dopamine) block copolymers. The micelles inhibit tube formation of human umbilical vein endothelial cells (HUVECs) by scavenging endogenous ROS. Furthermore, the micelles inhibit angiogenesis in the chicken
Kathrin Dennerlein et al.
Toxicology in vitro : an international journal published in association with BIBRA, 27(2), 708-713 (2012-12-12)
According to international guidelines skin penetration experiments can be carried out using freshly excised or frozen stored skin. However, this recommendation refers to data obtained in experiments with human cadaver skin. In our study, the percutaneous penetration of the occupationally
Hua Zhong et al.
Water research, 83, 104-111 (2015-07-05)
Activation of persulfate by iron filings and subsequent degradation of 1,4-dioxane (dioxane) was studied in both batch-reactor and column systems to evaluate the potential of a persulfate-enhanced permeable reactive barrier (PRB) system for combined oxidative-reductive removal of organic contaminants from
S K Jain et al.
Indian journal of pharmaceutical sciences, 76(5), 415-422 (2014-11-27)
Curcumin-diclofenac conjugate as been synthesized by esterification of phenolic group of curcumin with the acid moiety of diclofenac, and characterized by mass spectrometry, NMR, FTIR, DSC, thermogravimetric analysis and X-ray diffraction analysis. The relative solubility of curcumin-diclofenac conjugate, curcumin and
Dennis S Rice et al.
Nature communications, 6, 6228-6228 (2015-03-05)
The identification of pathways necessary for photoreceptor and retinal pigment epithelium (RPE) function is critical to uncover therapies for blindness. Here we report the discovery of adiponectin receptor 1 (AdipoR1) as a regulator of these cells' functions. Docosahexaenoic acid (DHA)
Diana Zhang et al.
Nucleic acids research, 42(21), 13422-13429 (2014-11-13)
We have determined the 1.50 Å crystal structure of the DNA decamer, d(CCA(CNV)KGCGTGG) ((CNV)K, 3-cyanovinylcarbazole), which forms a G-quadruplex structure in the presence of Ba(2+). The structure contains several unique features including a bulged nucleotide and the first crystal structure
Alkene trifluoromethylation coupled with C-C bond formation: construction of trifluoromethylated carbocycles and heterocycles.
Hiromichi Egami et al.
Angewandte Chemie (International ed. in English), 52(14), 4000-4003 (2013-02-27)
Xueyan Zheng et al.
Carbohydrate polymers, 111, 25-32 (2014-07-20)
Tetraalkylammonium hydroxides have been found to mediate regioselective deacylation of cellulose esters. This deacylation surprisingly shows substantial selectivity for the removal of the acyl groups at O-2/3, affording cellulose-6-O-esters by a simple, efficient one-step process. The mechanism for this deacylation
Esben P K Olsen et al.
Journal of the American Chemical Society, 137(2), 834-842 (2014-12-30)
The mechanism for the iridium-BINAP catalyzed dehydrogenative decarbonylation of primary alcohols with the liberation of molecular hydrogen and carbon monoxide was studied experimentally and computationally. The reaction takes place by tandem catalysis through two catalytic cycles involving dehydrogenation of the
Soon-Ok Oh et al.
Mycobiology, 42(3), 229-240 (2014-10-28)
On the basis of extensive field investigation and a series of herbarium specimen identifications, we present and discuss the descriptions and distribution of 22 species of Ramalina found in the Hengduan Mountains of southwestern China. In this revisionary study, representatives
Francisca Rodrigues et al.
Food & function, 6(8), 2854-2860 (2015-07-21)
The present study was aimed to assess the macronutrient composition and the amino acid and vitamin E profiles of Castanea sativa shell from different production regions of Portugal (Minho, Trás-os-Montes and Beira-Alta). The nutritional composition was similar for all samples
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