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Juan M Padró et al.
Analytica chimica acta, 725, 87-94 (2012-04-17)
A new automated and rapid potentiometric method for determining the effect of organic-solvent composition on pK(a) has been developed. It is based on the measurements of pH values of buffer solutions of variable solvent compositions using a combined glass electrode.
Ronald-Alexander Miranda et al.
Physical chemistry chemical physics : PCCP, 15(37), 15645-15659 (2013-08-15)
PLLs were synthesized by the ring-opening polycondensation (ROP) method using α-L-leucine N-carboxyanhydride (NCA) and initialized by triethylamine (Et3N), water or rehydrated hydrotalcite (HTrus). The role of temperature, different initiators and water in ROP was further investigated. In general, the initiators
S Chometton et al.
Journal of chemical neuroanatomy, 61-62, 72-82 (2014-08-16)
Neurons producing melanin-concentrating hormone (MCH) or hypocretin/orexin (Hcrt) have been implicated in the sleep/wake cycle and feeding behavior. Sleep and feeding habits vary greatly among mammalian species, depending in part of the prey/predatory status of animals. However, the distribution of
Hwa Seung Han et al.
Journal of controlled release : official journal of the Controlled Release Society, 200, 158-166 (2015-01-01)
For drug delivery nanocarriers to be a safe and effective therapeutic option, blood stability, tumor-targetability, and intracellular drug release features should be considered. In this study, to develop a potent drug delivery carrier that can meet the multiple requirements, we
Kevin Chan et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(46), 16434-16447 (2015-10-03)
Water-soluble cationic alkynylplatinum(II) 2,6-bis(benzimidazol-2'-yl)pyridine (bzimpy) complexes have been demonstrated to undergo supramolecular assembly with anionic polyelectrolytes in aqueous buffer solution. Metal-metal-to-ligand charge transfer (MMLCT) absorptions and triplet MMLCT ((3) MMLCT) emissions have been found in UV/Vis absorption and emission spectra
Shoichiro Funatsu et al.
Nutritional neuroscience, 18(6), 256-264 (2014-04-08)
Dried bonito dashi, a traditional Japanese fish stock, enhances palatability of various dishes because of its specific flavor. Daily intake of dashi has also been shown to improve mood status such as tension-anxiety in humans. This study aimed at investigating
Michelle Franz-Montan et al.
Journal of liposome research, 25(1), 11-19 (2014-05-09)
To characterize liposomal-lidocaine formulations for topical use on oral mucosa and to compare their in vitro permeation and in vivo anesthetic efficacy with commercially available lidocaine formulations. Large unilamellar liposomes (400 nm) containing lidocaine were prepared using phosphatidylcholine, cholesterol, and α-tocoferol
Michał Szumski et al.
Journal of chromatography. A, 1373, 114-123 (2014-12-04)
A novel, cholesterol-based polymeric monolithic stationary phase for capillary liquid chromatography, was prepared by thermally initiated in-situ polymerization. Cholesteryl methacrylate (CholMA) was used as a functional monomer and trimethylolpropane trimethacrylate (TRIM) was a cross-linker, while azobisisobutyronitrile (AIBN) was an initiator.
Dongwei Guo et al.
Journal of virology, 88(17), 9504-9513 (2014-06-13)
Limitations of antiretroviral therapy (ART) include poor patient adherence, drug toxicities, viral resistance, and failure to penetrate viral reservoirs. Recent developments in nanoformulated ART (nanoART) could overcome such limitations. To this end, we now report a novel effect of nanoART
Jacqueline J Dimatelis et al.
Journal of molecular neuroscience : MN, 56(3), 696-707 (2015-02-11)
Attention deficit hyperactivity disorder (ADHD) is a heterogeneous behavioural disorder that affects 3-15 % of children worldwide. Spontaneously hypertensive rats (SHR) display the major symptoms of ADHD (hyperactivity, impulsivity and poor performance in tasks that require sustained attention) and are
Yanfang Yang et al.
Journal of pharmaceutical sciences, 104(4), 1328-1339 (2015-01-30)
A novel nanostructured lipid carrier (NLC) modified with photon-sensitive cell penetrating peptides (psCPP) and Asn-Gly-Arg (NGR) was designed to enhance paclitaxel (PTX)-targeted delivery and antitumor effect. The NGR moiety selectively binds to CD13-positive tumors. On other hand, the psCPP moiety
Young H Lim et al.
ACS nano, 9(2), 1995-2008 (2015-01-27)
The development of well-defined polymeric nanoparticles (NPs) as delivery carriers for antimicrobials targeting human infectious diseases requires rational design of the polymer template, an efficient synthetic approach, and fundamental understanding of the developed NPs, e.g., drug loading/release, particle stability, and
Myeong-Hoon Kim et al.
Macromolecular bioscience, 14(7), 943-952 (2014-04-18)
Oleyl dextran-coated magnetic nanoclusters (ODMCs) are fabricated for the accurate detection of macrophage-rich atherosclerotic plaques using magnetic resonance (MR) imaging. Dextran is introduced to the cluster surface of magnetic nanocrystals (MNCs) through self-assembly using amphiphilic oleic acid-conjugated dextran (ODex) to
Bo-Yi Yu et al.
Langmuir : the ACS journal of surfaces and colloids, 30(25), 7502-7512 (2014-06-11)
Surface coating of antifouling materials on the substrates offers convenient strategies and great opportunities to improve their biocompatibility and functions of host substrates for wide biomedical applications. In this work, we present a general surface zwitterionization strategy to improve surface
Yufeng Zhao et al.
BioMed research international, 2014, 537091-537091 (2014-07-25)
Single-walled carbon nanotubes (SWCNTs) and various modified SWCNTs have drawn a lot of attention due to their potential applications in biomedical field. Before further moving on to real clinical applications, hydrophobicity and toxicity of SWCNTs should be investigated thoroughly. In
Ung Yeol Lee et al.
International journal of pharmaceutics, 471(1-2), 166-172 (2014-05-27)
Multimeric grain-marked micelles consisting of an inner core micelle (for Fe3O4 encapsulation) and outer multi-grain micelles (for chlorin e6 (Ce6, a model drug) encapsulation) were fabricated using a micelle-to-micelle conjugation method. Grain micelles (mono-thiol functionalized micelles) were chemically linked to
Rahul Narayanan et al.
Angewandte Chemie (International ed. in English), 53(23), 5936-5940 (2014-03-20)
Ambient ionization is achieved by spraying from a carbon nanotube (CNT)-impregnated paper surface under the influence of small voltages (≥3 V). Organic molecules give simple high-quality mass spectra without fragmentation in the positive or negative ion modes. Conventional field ionization is
Cynthia M Antonio-Cisneros et al.
International journal of molecular sciences, 16(1), 1590-1612 (2015-01-15)
Applications of carbon-TiO2 materials have attracted attention in nanotechnology due to their synergic effects. We report the immobilization of TiO2 on carbon prepared from residues of the plant Manihot, commercial TiO2 and glycerol. The objective was to obtain a moderate
Wei Li et al.
Journal of pharmaceutical and biomedical analysis, 114, 341-347 (2015-06-24)
A novel simple, fast and efficient supercritical fluid chromatography (SFC) method was developed and compared with RPLC method for the separation and determination of impurities in rifampicin. The separation was performed using a packed diol column and a mobile phase
Zhoumeng Lin et al.
Toxicological sciences : an official journal of the Society of Toxicology, 141(1), 90-102 (2014-06-11)
Atrazine (ATR) is one of the most frequently detected pesticides in the U.S. water supply. This study aimed to investigate neurobehavioral and neurochemical effects of ATR in C57BL/6 mouse offspring and dams exposed to a relatively low (3 mg/l, estimated
K Pavić et al.
European journal of medicinal chemistry, 86, 502-514 (2014-09-10)
Novel primaquine semicarbazides 7a-l and ureas 9a-g with modified benzhydryl, trityl, phenyl or hydroxyalkyl substituents were prepared and evaluated for cytostatic and antioxidative activities. Two synthetic approaches for preparation of the title semicarbazides were applied, both having certain advantages. In
Jianmei Wu et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1006, 167-178 (2015-11-10)
Simultaneous, quantitative determination of intracellular nucleoside triphosphates and other polar metabolites using liquid chromatography with electrospray ionization tandem mass spectrometry (LC-MS/MS) represents a bioanalytic challenge because of charged, highly hydrophilic analytes presented at a large concentration range in a complex
Yang Yang et al.
Biomaterials, 48, 84-96 (2015-02-24)
Tumor-oriented nanocarrier drug delivery approaches with photosensitivity have drawn considerable attention over the years. However, due to its low penetrability and ability to harm tissues, the use of UV light for triggered nanocarrier release in in vivo applications has been
Steven Pham et al.
The Journal of steroid biochemistry and molecular biology, 144 Pt B, 436-444 (2014-09-10)
Castration resistant prostate cancer (CRPC) is often lethal and inevitably develops after androgen ablation therapy. However, in the majority of cases it remains androgen dependent. CRPC tumors have the ability to synthesize their own androgens from cholesterol by engaging in
Yu He et al.
Drug and chemical toxicology, 38(2), 145-151 (2014-05-23)
Tripterygium wilfordii Hook. f. (TW) is a traditional herbal medicine which has been widely used for the treatment of rheumatoid arthritis and other autoimmune diseases. However, adverse reactions of TW such as hepatotoxicity and nephrotoxicity have been frequently reported in
Sushant Lakkadwala et al.
Journal of microencapsulation, 31(6), 590-599 (2014-04-05)
Solid lipid nanoparticles (SLNs) can efficiently and efficaciously incorporate anti-cancer agents. To prepare and characterise tamoxifen (TAM)-loaded SLNs. Glyceryl monostearate, Tween-80, and trehalose were used in SLNs. SLNs were tested via dynamic light scattering (DLS), transmission electron microscopy (TEM), differential
István Ilisz et al.
Journal of pharmaceutical and biomedical analysis, 98, 130-139 (2014-06-09)
Procedures for the direct high-performance liquid chromatographic enantiomer separation of four bicyclo[2.2.2]octane-based 3-amino-2-carboxylic acids were developed in polar-ionic mode on zwitterionic chiral stationary phases (CSPs) based on cinchonane alkaloide quinine, quinidine and chiral sulfonic acid motifs. The effects of the
Zhanpeng Zhang et al.
Advanced functional materials, 25(3), 350-360 (2015-06-13)
Injectable microspheres are attractive stem cell carriers for minimally invasive procedures. For tissue regeneration, the microspheres need to present the critical cues to properly direct stem cell differentiation. In natural extracellular matrix (ECM), growth factors (GFs) and collagen nanofibers provide
Alan K Jarmusch et al.
Journal of pharmaceutical and biomedical analysis, 117, 11-17 (2015-09-05)
Ergot alkaloids are mycotoxins with an array of biological effects. With this study, we investigated for the first time the application of atmospheric pressure photoionization (APPI) as an ionization method for LC-MS analysis of ergot alkaloids, and compared its performance
Marion Rollet et al.
Journal of chromatography. A, 1392, 37-47 (2015-03-25)
We studied molar mass limits for the LC LCD separation of parent polystyrene (PS) and poly(ethylene oxide) (PEO) homopolymers from PEO/PS based block copolymers and we identified optimized chromatographic conditions. Time delays between barriers and sample injections were 0-2-3'10. Eluent
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