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Showing 1-30 of 85 results for "PVP10" within Papers
Touseef Habib et al.
Langmuir : the ACS journal of surfaces and colloids, 32(44), 11591-11599 (2016-10-16)
Despite a range of promising applications, liquid-phase exfoliation of boron nitride nanosheets (BNNSs) is limited, both by low yield in common solvents as well as the disadvantages of using dissolved surfactants. One recently reported approach is the use of cosolvent
Changcheng Zhu et al.
Pharmaceutical research, 31(11), 3006-3018 (2014-05-27)
Stable vaccines with long shelf lives and reduced dependency on the cold chain are ideal for stockpiling and rapid deployment during public emergencies, including pandemics. Spray drying is a low-cost process that has potential to produce vaccines stable at a
Eduardo Caldelas Cuéllar et al.
Acta ortopedica mexicana, 21(5), 234-238 (2007-12-28)
The jumper's knee or patellar tendonitis is a common injury in the athlete with an incidence between 14% and 16% among high-performance athletes. In addition to an overuse injury, there are some intrinsic factors for its development. Conservative treatment is
X C Qin et al.
Journal of photochemistry and photobiology. B, Biology, 120, 156-162 (2013-01-30)
Nanographene oxide (NGO), a new type of nanomaterial for anticancer drugs delivery and near-infrared (NIR)-mediated photothermal ablation of tumors, has been used in the combination of photothermal therapy and chemotherapy. Herein, targeted chemo-photothermal therapy based on polyvinylpyrrolidone (PVP) functionalized NGO
Helen Thomas et al.
Journal of chromatography. A, 1285, 48-56 (2013-03-16)
In protein chromatography, the size of the protein determines which fraction of pores it can access within a resin and at which rate of diffusion. Moreover, in the presence of grafted polymers like in advanced materials, adsorbed proteins and electrolytes
Y Barak et al.
Human fertility (Cambridge, England), 4(2), 99-103 (2001-10-10)
The technique of intracytoplasmic sperm injection (ICSI) requires mechanical immobilization of the sperm that are to be injected; damage thus caused to the sperm membrane is considered to be necessary to activate the sperm for fertilization. Mechanical immobilization and the
Mianqi Xue et al.
Nanoscale, 5(5), 1803-1805 (2013-02-02)
Nano-dumbbells via electrospinning: controllable nano-dumbbells are fabricated via electrospinning. The weight block parts and the length of nanowires between them can be adjusted through changing the experimental conditions. This nanostructure enables ultralow-limit gas sensing properties of the resulting polypyrrole-based microsensor.
Chen Lin et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 330-338 (2013-06-22)
In this paper, we report a Re(I) complex of Re(CO)3(Cl-PYO)Br, where Cl-PYO stands for 2-(4-chlorophenyl)-5-(pyridin-2-yl)-1,3,4-oxadiazole, including its synthesis, identification, molecular structure, theoretical calculation and photophysical character. Re(CO)3(Cl-PYO)Br is found to be a yellow emitter with long excited state lifetime in
Haifang Yang et al.
Horticulture research, 5, 23-23 (2018-05-08)
Litchi is one of the most important subtropical evergreen fruit trees in southern Asia. Previous studies indicated that high-temperature conditions encourage growth of rudimentary leaves in panicles and suppress flowering. We have demonstrated that methyl viologen dichloride hydrate (MV) and
Yu-Tsai Yang et al.
Pharmaceutical development and technology, 19(7), 806-812 (2013-09-21)
The penta-ethyl ester prodrug of diethylenetriaminepentaacetic acid (DTPA), which exists as an oily liquid, was incorporated into a solid dispersion for oral administration by the solvent evaporation method using blends of polyvinylpyrrolidone (PVP), Eudragit® RL PO and α-tocopherol. D-optimal mixture
Aaron R Jex et al.
Journal of clinical microbiology, 46(7), 2252-2262 (2008-05-02)
In the present study, we analyzed genetic variation in Cryptosporidium species from humans (n = 62) with clinical cryptosporidiosis in South Australia. Sequence variation was assessed in regions within the small subunit of nuclear rRNA (p-SSU), the 70-kDa heat shock
Bhupendra K Sen et al.
Bulletin of environmental contamination and toxicology, 93(5), 549-554 (2014-09-27)
The removal of phenolic compounds, i.e., o-cresol, m-cresol, and p-cresol from aqueous solution have been evaluated employing activated carbon (AC) coated with polymer supported iron nanoparticles (FeNPs). The synthesized FeNPs were characterized by scanning electron microscope and X-ray diffraction analysis.
Samantha Salou et al.
Analytical and bioanalytical chemistry, 413(1), 171-181 (2020-10-31)
The increasing use of titanium dioxide nanoparticles in daily use consumer products such as cosmetics, personal care products, food additives, and even medicine has led to growing concerns regarding human safety. It would be ideal to track exposure to this
Corinna Speth et al.
eLife, 7 (2018-08-29)
Intron splicing increases proteome complexity, promotes RNA stability, and enhances transcription. However, introns and the concomitant need for splicing extend the time required for gene expression and can cause an undesirable delay in the activation of genes. Here, we show
Gamal M El Maghraby et al.
Pharmaceutical development and technology, 19(6), 641-650 (2013-07-12)
Nisoldipine is a calcium channel blocker with low and variable oral bioavailability. This was attributed to slow dissolution and presystemic metabolism. Accordingly, the objective of this work was to enhance the dissolution rate of nisoldipine to formulate fast disintegrating tablets
J L Zamora
American journal of surgery, 151(3), 400-406 (1986-03-01)
The chemical, microbiologic, and toxic characteristics of povidone-iodine solution, a commonly used antiseptic agent, are addressed in a collective review of relevant works published from 1956 to the present. Interactions of this agent with the thyroid gland and the kidneys
M A Betiha et al.
Journal of hazardous materials, 397, 122675-122675 (2020-05-22)
The mesoporous silica-polymer hybrid was prepared as an adsorbent for divalent heavy metals (Pb(II), Ni(II), and Cu (II)) from rice husk and polyvinylpyrrolidone (PVP) through three successive steps. The first is the preparation of the mesoporous silica (SBA-15), the second
Sung Neung Lee et al.
Archives of pharmacal research, 36(1), 79-85 (2013-01-19)
A novel surface-attached, spray-dried solid dispersion containing poorly water-soluble carvedilol (CV) without any change in the crystallinity was prepared using water, polyvinylpyrrolidone (PVP K30) and Tween 80. The solid dispersion was optimized by investigating the effects of the weight ratios
Martin Kuentz et al.
Drug development and industrial pharmacy, 39(9), 1476-1483 (2012-10-10)
An automated version of uniaxial powder flow testing has recently been developed and there is a need for experimental data from pharmaceutical powders. To compare the novel testing method with an annular shear cell using different pharmaceutical excipients. A particular
Bin Li et al.
Carbohydrate polymers, 92(2), 2033-2040 (2013-02-13)
Amorphous solid dispersions (ASD) of quercetin (Que) in cellulose derivative matrices, carboxymethylcellulose acetate butyrate (CMCAB), hydroxypropylmethylcellulose acetate succinate (HPMCAS), and cellulose acetate adipate propionate (CAAdP) were prepared with the goal of identifying an ASD that effectively increased Que aqueous solution
Yan-Yan Yin et al.
Inorganic chemistry, 52(7), 3738-3743 (2013-03-20)
Both bulk crystals and nanocrystals of two helical complexes, [Cu(μ2-L)(H2O)]n (1) and {[Cu(μ2-L)(H2O)]·2H2O}n (2) (H2L = thiazolidine-2,4-dicarboxylic acid), have been synthesized with the chiralities of right-handedness (1) and left-handedness (2), respectively. 4-Cyanopyridine and poly(vinylpyrrolidone) (PVP) have been applied to control
Rozhin Penjweini et al.
Biochimica et biophysica acta, 1843(5), 855-865 (2014-02-01)
PVP-Hypericin (PVP: polyvinylpyrrolidone) is a potent anti-cancer photosensitizer for photodynamic diagnosis (PDD) and therapy (PDT). However, cellular targets and mechanisms involved in the cancer-selectivity of the photosensitizer are not yet fully understood. This paper gives new insights into the differential
Dritan Hasa et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 50(1), 56-68 (2013-03-26)
The aim of the research was to investigate three "critical steps" that deserve particular attention during the mechanochemical activation of vincamine. The first step consisted in the selection of the best polymeric carrier/most affine stabiliser between linear PVP and NaCMC
Vassiliki A Kosma et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 2175-2191 (2013-03-19)
Solution growth of apatite its precursors in the presence of urea commercial gelatin is found to lead, under appropriate conditions, to a rich spectrum of morphologies, among them high aspect ratio needles in uniform sturdy spherulitic assemblies resulting from a
Iu P Mukha et al.
Prikladnaia biokhimiia i mikrobiologiia, 49(2), 215-223 (2013-06-26)
Conditions for obtaining stable silver nanoparticles smaller than 10 nm were developed using a binary stabilizer polyvinylpyrrolidone/sodium dodecylsulphate in optimal ratio. Optical spectra, morphology and dependence of size of the nanoparticles on the amount of reducing agent were studied. Colloidal
S R Santosh Kumar et al.
Indian journal of experimental biology, 50(12), 910-917 (2013-08-31)
An in vitro regeneration protocol has been standardized via direct and indirect methods from excised root explants of C. bonduc, a threatened woody legume used for the treatment of contagious diseases, inflammation, leprosy, antiperiodic, febrifuge, anthelmenthic, urinary disorders, leucorrhoea, piles
Nongyao Nontawong et al.
Journal of pharmaceutical and biomedical analysis, 175, 112770-112770 (2019-07-23)
We report a novel amperometric flow-injection (FI) analysis of creatinine based on a sensor comprising copper oxide nanoparticles (CuO) coated with a molecularly-imprinted polymer (CuO@MIP) and decorating a carbon-paste electrode (CPE) to form the CuO@MIP/CPE electrode. The CuO@MIP was synthesized
Yuhan Pu et al.
Inorganic chemistry, 57(14), 8599-8607 (2018-06-29)
Gold nanostars (GNSs) have received considerable attention in surface-enhanced spectroscopies, catalysis, biosensing, photothermal therapy, and photovoltaics because of their unique optical properties arising from the anisotropic structure. GNSs typically consisting of a central core and several protruding tips are usually
K Yamashita et al.
Die Pharmazie, 68(1), 54-57 (2013-03-01)
The fullerene C60 is used in consumer products such as cosmetics owing to its antioxidative effects and is being developed for nanomedical applications. However, knowledge regarding the safety of fullerene C60, especially after oral administration, is sparse. Here, we examined
Qunyou Tan et al.
Drug development and industrial pharmacy, 39(9), 1364-1371 (2012-09-22)
The purpose of this study was to evaluate the taste masking potential of novel solid dispersions (SDs) using Eudragit® EPO as the excipient when incorporated into the orally disintegrating tablets (ODTs) for delivering a highly soluble drug with an extremely
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