Showing 1-30 of 59 results for "

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Stanisław Popiel et al.
Analytica chimica acta, 837, 52-63 (2014-07-09)
Novel solid-phase microextraction (SPME) fibres containing methyl, ethyl, butyl acrylate and methacrylate were first prepared by a sol-gel technique and investigated for determination of selected organoarsenic compounds (lewisite, methyldichloroarsine, phenyldichloroarsine, diphenylchloroarsine and triphenylarsine) from water samples. The influence of sorption...
Rieko Asai et al.
Scientific reports, 7(1), 8955-8955 (2017-08-23)
The somatopleure is the amniotic primordium in amniote development, but its boundary to the embryonic body at early embryonic stages and the fate of cells constituting this structure are not well characterized. It also remains unclear how cells behave during...
Harumi Kaga et al.
Molecules (Basel, Switzerland), 25(8) (2020-04-26)
The microwave-assisted heating reaction of N-acetyl glucosamine (GlcNAc) in sulfolane is described. The reaction produces two major products that are assignable to 1,6-anhydro-2-acetamido-2-deoxy-β-d-glucopyranose (AGPNAc) and 1,6-anhydro-2-acetamido-2-deoxy-β-d-glucofuranose (AGFNAc). In order to reveal a general feature of the system, the 3, 5...
Dong Woo Yeom et al.
International journal of nanomedicine, 10, 3865-3877 (2015-06-20)
In this study, we developed and optimized a self-microemulsifying drug delivery system (SMEDDS) formulation for improving the dissolution and oral absorption of atorvastatin calcium (ATV), a poorly water-soluble drug. Solubility and emulsification tests were performed to select a suitable combination...
Anjali Sharma et al.
Science advances, 6(4), eaay8514-eaay8514 (2020-02-06)
Poor transport of neuropharmaceutics through central nervous system (CNS) barriers limits the development of effective treatments for CNS disorders. We present the facile synthesis of a novel neuroinflammation-targeting polyethylene glycol-based dendrimer (PEGOL-60) using an efficient click chemistry approach. PEGOL-60 reduces...
Mohamed Basel Bazbouz et al.
Sensors (Basel, Switzerland), 19(5) (2019-03-01)
The spread of antimicrobial resistance calls for chronic wound management devices that can engage with the wound exudate and signal infection by prompt visual effects. Here, the manufacture of a two-layer fibrous device with independently-controlled exudate management capability and visual...
Nobuko Hada et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 102, 46-54 (2017-02-28)
The delivery of drugs to the brain is a constant challenge due to limitations imposed by the blood-brain barrier (BBB). Various methods of bypassing the BBB are under investigation. One approach is intranasal administration, where the olfactory region of the...
Joong-Hyun Kim et al.
Journal of biomedical materials research. Part A, 106(1), 115-125 (2017-09-08)
Insufficient repair of the bone-to-tendon interface (BTI) with structural/compositional gradients has been a significant challenge in orthopedics. In this study, dual growth factor (platelet-derived growth factor-BB [PDGF-BB] and bone morphogenetic protein-2 [BMP-2])-immobilized polycaprolactone (PCL)/Pluronic F127 asymmetrically porous membrane was fabricated...
Cecilia M M Motta et al.
Biomaterials, 218, 119335-119335 (2019-07-16)
Neuroregeneration following peripheral nerve injury is largely mediated by Schwann cells (SC), the principal glial cell that supports neurons in the peripheral nervous system. Axonal regeneration in vivo is limited by the extent of SC migration into the gap between...
Boitumelo J Matsoso et al.
Nanomaterials (Basel, Switzerland), 10(3) (2020-03-04)
Hexagonal boron nitrite (hBN) is an attractive material for many applications such as in electronics as a complement to graphene, in anti-oxidation coatings, light emitters, etc. However, the synthesis of high-quality hBN at cost-effective conditions is still a great challenge....
Rahul A Patil et al.
Analytical and bioanalytical chemistry, 410(19), 4645-4655 (2018-01-31)
The rapid expansion in the study and use of ionic liquids (ILs) is a result of their unique properties including negligible volatility, high thermal stability, and ability to dissolve disparate compounds. However, because ILs have infinitely variable structures (often referred...
Bhawana Pandey et al.
Bioconjugate chemistry, 30(3), 633-646 (2018-12-29)
Glycopolypeptide-based nanocarriers are an attractive class of drug delivery vehicles because of the involvement of carbohydrates in the receptor-mediated endocytosis process. To enhance their efficacy toward controlled and programmable drug delivery, we have prepared stable glycopolypeptide-based bioactive dual-stimuli-responsive (redox and...
Vanitha Venkoba Rao et al.
Journal of cellular biochemistry (2019-02-13)
Akirin1 is a highly conserved ubiquitously expressed nuclear protein. Owing to its strong nuclear localization signal and protein-protein interaction properties, Akirin1 has been speculated to regulate transcription of target genes as a cofactor. Previous studies have reported Akirin1 as a...
Mary Caldorera-Moore et al.
Journal of drug targeting, 27(5-6), 582-589 (2018-11-21)
Whereas significant advancements have been made in our fundamental understanding of cancer, they have not yet translated into effective clinical cancer treatments. One of the areas that has the potential to improve the efficacy of cancer therapies is the development...
Imran Nazir et al.
International journal of pharmaceutics, 561, 197-205 (2019-03-06)
The aim of this study was to evaluate the impact of stability of hydrophobic ion pairs (HIPs) in gastrointestinal (GI) fluids on their release from self-emulsifying drug delivery systems (SEDDS). HIPs of leuprolide (LEU), insulin (INS) and bovine serum albumin...
Kurinji Krishnamoorthy et al.
ACS nano, 13(10), 11382-11391 (2019-09-13)
Label-free in situ X-ray scattering from protein spherical nucleic acids (Pro-SNAs, consisting of protein cores densely functionalized with covalently bound DNA) was used to elucidate the enzymatic reaction pathway for the DNase I-induced degradation of DNA. Time-course small-angle X-ray scattering...
Yang Li et al.
The journal of physical chemistry letters, 8(17), 4218-4225 (2017-08-22)
Redox mediators (RMs) have been widely applied to reduce the charge overpotential of nonaqueous lithium-oxygen (Li-O
Marta Worzakowska
Molecules (Basel, Switzerland), 20(6), 10594-10603 (2015-06-11)
Cinnamyl long chain aroma esters were prepared by using the conventional and microwave-assisted methods. The esterification reaction of naturally occurring 3-phenyl-prop-2-en-1-ol and different chain lengths acidic and diol reagents was carried out at the temperature of 140 °C under solvent...
Doh Young Lee et al.
Biomaterials, 44, 134-142 (2015-01-27)
Although several studies have been successfully undertaken of tracheal reconstruction in terms of the maintaining the framework of the graft, most cases of reconstruction failure have resulted from delayed mucosal regeneration. The purposes of this study were to evaluate whether...
Rachel E Whitmire et al.
Biomaterials, 33(30), 7665-7675 (2012-07-24)
Intra-articular delivery of therapeutics to modulate osteoarthritis (OA) is challenging. Delivery of interleukin-1 receptor antagonist (IL-1Ra), the natural protein inhibitor of IL-1, to modulate IL-1-based inflammation through gene therapy or bolus protein injections has emerged as a promising therapy for...
Giuseppe Antonio Elia et al.
Scientific reports, 5, 12307-12307 (2015-08-05)
Herein we report the characteristics of a lithium-oxygen battery using a solid polymer membrane as the electrolyte separator. The polymer electrolyte, fully characterized in terms of electrochemical properties, shows suitable conductivity at room temperature allowing the reversible cycling of the...
Bi-Yuan Zheng et al.
European journal of medicinal chemistry, 155, 24-33 (2018-06-01)
A series of novel symmetric or unsymmetric silicon (IV) phthalocyanines axially substituted with cyclic Arg-Gly-Asp (cRGD) ligands through different ethylene glycol chains have been synthesized by a facile and mild "click" reaction. All the compounds show efficient photosensitizing activities in...
Abdelmoneim Mars et al.
Mikrochimica acta, 185(10), 449-449 (2018-09-09)
The authors describe a method for electrochemical determination of the breast cancer biomarker α-lactalbumin (α-LA) using disposable screen-printed carbon electrodes (SPCEs). Lysozyme-conjugated Fe3O4 nanoparticles (Lys-Fe3O4NPs) were used to capture α-LA on the surface of the SPCEs which then is trapped...
Xi Wang et al.
Dalton transactions (Cambridge, England : 2003), 47(27), 9096-9102 (2018-06-26)
A one-pot hydrothermal approach has been developed to introduce tetraethylene glycol (TEG) molecules into a two-dimensional (2D) layered lanthanide metal-organic framework ([Sm(H5C2P2O7)(H2O)2]·Guest, denoted SmHEDP-Guest). Through the straightforward loading of TEG, the proton conductivity of SmHEDP-TEG (1.21 × 10-3 S cm-1)...
Matus E Diveky et al.
Physical chemistry chemical physics : PCCP, 21(9), 4721-4731 (2018-12-20)
Photoacoustic spectroscopy is widely used to measure the light absorption of aerosols. However, the impact of key factors such as the effect of relative humidity and mass exchange on photoacoustic measurements are still poorly understood. We assess such measurement biases...
Saiful Islam et al.
ChemSusChem, 11(13), 2239-2247 (2018-05-01)
Rechargeable hybrid aqueous batteries (ReHABs) have emerged as promising sustainable energy-storage devices because all components are environmentally benign and abundant. In this study, a carbon-wrapped sponge-like Na3 V2 (PO4 )3 nanoparticle (NVP@C) cathode is prepared by a simple pyrosynthesis for...
Philipp Wunderlich et al.
Materials (Basel, Switzerland), 13(1) (2019-12-22)
Lithium-oxygen (Li-O2) batteries require rational air electrode concepts to achieve high energy densities. We report a simple but effective electrode design based on graphite nanosheets (GNS) as active material to facilitate the discharge reaction. In contrast to other carbon forms...
Hoon Kim et al.
Nature communications, 6, 7278-7278 (2015-06-13)
Elemental sulfur is one of the most attractive cathode active materials in lithium batteries because of its high theoretical specific capacity. Despite the positive aspect, lithium-sulfur batteries have suffered from severe capacity fading and limited rate capability. Here we report...
Aashima et al.
Ultrasonics sonochemistry, 49, 53-62 (2018-07-31)
Gadolinium oxide nanoparticles (GdO) have recently gained attention due to their diverse bio-applications. However, their functionalization with amino acids has not been reported yet to the best of our knowledge. In the present report, the potential of sonication technique (for...
Jan-Georg Rosenboom et al.
Nature communications, 9(1), 2701-2701 (2018-07-26)
Polyethylene furanoate (PEF) represents a promising renewable resource-based bioplastic as replacement for fossil-based polyethylene terephthalate (PET) with improved material properties. However, the synthesis of PEF through conventional polycondensation remains challenging, since the time-intensive reaction leads to degradation and undesired discolouration...