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phr1549

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Andrey G Pradko et al.
Steroids, 97, 78-86 (2014-09-10)
Starting from (22R,23R)-2α,3α,22,23,26-pentahydroxy-5α-cholestan-6-one 26-hemisuccinate, conjugates of 28-norcastasterone with horse radish peroxidase and bovine serum albumin were prepared. The latter conjugate was injected into rabbits; produced polyclonal antibodies were used to quantitate 6-keto-brassinosteroids. The newly developed analytical system was used in
Elham Moniri et al.
Journal of AOAC International, 98(1), 206-212 (2015-04-11)
A simple ion imprinted amino-functionalized sorbent was synthesized by coupling activated carbon with iminodiacetic acid, a functional compound for metal chelating, through cyanoric chloride spacer. The resulting sorbent has been characterized using FTIR spectroscopy, elemental analysis, and thermogravimetric analysis and
Gui-Peng Tian et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 70(12), 1934-1940 (2014-12-19)
1,4-Dioxane is a probable human carcinogenic and refractory substance that is widely detected in aquatic environments. Traditional wastewater treatment processes, including activated sludge, cannot remove 1,4-dioxane. Removing 1,4-dioxane with a reaction kinetic constant of 0.32 L/(mol·s) by using ozone, a
Da Huang et al.
Biomaterials, 52, 417-425 (2015-03-31)
Bone tuberculosis (TB) is one of the most common extrapulmonary TB. Effective integration of chemotherapy and bone regeneration is an optimal solution for bone TB therapy. Herein, we produce a composite scaffold drug delivery system fabricated with an isoniazid conjugated
Tatsuya Nishiyama et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(48), 17152-17157 (2014-11-21)
Organocatalysts, low-molecular mass organic compounds composed of nonmetallic elements, are often used in organic synthesis, but there have been no reports of organocatalysts of biological origin that function in vivo. Here, we report that actinorhodin (ACT), a natural product derived
Diana Guzman-Villanueva et al.
International journal of pharmaceutics, 473(1-2), 579-590 (2014-07-27)
The RNA interference (RNAi) constitutes a conservative mechanism in eukaryotic cells that induces silencing of target genes. In mammalians, the RNAi is triggered by siRNA (small interfering RNA) molecules. Due to its potential in silencing specific genes, the siRNA has
P Láng et al.
Journal of pharmaceutical and biomedical analysis, 102, 229-235 (2014-10-12)
The effects of solvents, temperature and humidity on the stability of a former drug candidate obtained from Sanofi (Hungary) were examined by a slurry equilibration method, variable temperature and humidity X-ray powder diffractometry (VT/VH-XRPD) and differential scanning calorimetry (DSC). The
John R Horsley et al.
Journal of the American Chemical Society, 136(35), 12479-12488 (2014-08-15)
Electrochemical studies are reported on a series of peptides constrained into either a 310-helix (1-6) or β-strand (7-9) conformation, with variable numbers of electron rich alkene containing side chains. Peptides (1 and 2) and (7 and 8) are further constrained
Homayon Ahmad Panahi et al.
Journal of chromatography. A, 1345, 37-42 (2014-05-02)
In this research, a novel method is reported for the surface grafting of N-isopropylacrylamide as a thermosensitive agent and 1-(N,N-bis-carboxymethyl)amino-3-allylglycerol with an affinity toward fluvoxamine onto magnetic nano-particles modified by 3-mercaptopropyltrimethoxysilane. The grafted nano-particles were characterized by Fourier transform infrared
Establishment of a knowledge base for prescreening residual solvents in pharmaceuticals
Qin L, et al.
Chromatographia, 59(7-8), 475-480 (2004)
Noriko Harada et al.
Biomaterials, 35(27), 7800-7810 (2014-06-24)
Mesenchymal stem cells (MSCs) are multipotent cells capable of proliferating and differentiating into several lineages. In regenerative medicine, their potential as a resource for tissue-replacement therapy is receiving much attention. However, transplanting MSCs to repair larger bone defects in animal
Junichi Kasuya et al.
Journal of tissue engineering and regenerative medicine, 9(3), 247-256 (2012-10-23)
In liver sinusoids, hepatic stellate cells (HSCs) locate the outer surface of microvessels to form a functional unit with endothelia and hepatocytes. To reconstruct functional liver tissue in vitro, formation of the HSC-incorporated sinusoidal structure is essential. We previously demonstrated
Jatinder Kumar et al.
PloS one, 9(6), e98696-e98696 (2014-06-18)
Fourteen saxicolous lichens from trans-Himalayan Ladakh region were identified by morpho-anatomical and chemical characteristics. The n-hexane, methanol and water extracts of the lichens were evaluated for their antioxidant capacities. The lichen extracts showing high antioxidant capacities and rich phenolic content
Katsuyuki Yamanaka et al.
Dental materials journal, 34(1), 78-85 (2015-03-10)
An appropriate physical support provided by scaffolds creates a supportive environment that directs proliferation and differentiation of stem cells. However, it is difficult to homogenously inoculate stem cells into the inner part of scaffolds at high cell densities. In this
Małgorzata Sztanke et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 68, 114-126 (2014-12-22)
The chromatographic behaviour and significant lipophilicity/hydrophobicity indices (log k(w), S, φ(0)) are presented for 21 biologically active fused 1,2,4-triazinones based on the linear relationship: log k = log k(w)-Sφ established for the retention on LC-18 HPLC column, using as mobile
Suha Altarawneh et al.
Environmental science & technology, 49(7), 4715-4723 (2015-03-03)
Benzimidazole-linked polymers (BILPs) are emerging candidates for gas storage and separation applications; however, their current synthetic methods offer limited control over textural properties which are vital for their multifaceted use. In this study, we investigate the impact of acid-catalyzed formation
Marzieh Rashidipour et al.
Journal of AOAC International, 97(4), 1109-1113 (2014-08-26)
Matrix solid-phase dispersion (MSPD) methodology as a quick and easy extraction method has been developed to extract oleuropein from Olea europaea leaves. This method has been compared with conventional maceration and Soxhlet extraction (SOXE) methods. Variables affecting MSPD, such as
Árpád Könczöl et al.
Journal of ethnopharmacology, 155(1), 776-784 (2014-06-20)
Oxybaphus nyctagineus (Michx.) Sweet has traditionally been used by several Native American tribes predominantly as a topical anti-inflammatory and analgesic agent. To evaluate the antioxidant, analgesic and anti-inflammatory activity of the extracts prepared from the aerial parts of Oxybaphus nyctagineus
Simultaneous determination of 22 volatile organic compounds, methyl-tert-butyl ether, 1, 4-dioxane, 2-methylisoborneol and geosmin in water by headspace solid phase microextraction-gas chromatography-mass spectrometry
Nakamura S and Daishima S
Analytica Chimica Acta, 548(1-2), 79-85 (2005)
Lidia Zapała et al.
Journal of solution chemistry, 43, 1167-1183 (2014-07-30)
The acid-base chemistry of three zwitterionic compounds, namely anthranilic (2-aminobenzoic acid)
A capillary gas chromatographic procedure for the analysis of nine common residual solvents in water-insoluble bulk pharmaceuticals
Li QC, et al.
Journal of Chromatographic Science, 36(3), 119-124 (1998)
Christopher C Waller et al.
Steroids, 92, 74-80 (2014-10-07)
Steroid sulfates are a major class of steroid metabolite that are of growing importance in fields such as anti-doping analysis, the detection of residues in agricultural produce or medicine. Despite this, many steroid sulfate reference materials may have limited or
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
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
Occurrence of 1, 4-dioxane in cosmetic raw materials and finished cosmetic products
Black RE, et al.
Journal of AOAC (Association of Official Analytical Chemists) International, 84(3), 666-670 (2001)
Sung Nam Kang et al.
Biomaterials, 44, 1-10 (2015-01-27)
A drug-eluting stent (DES) is one of the commonly used treatment techniques in percutaneous coronary intervention (PCI). Sirolimus (SRL) has been widely used for DES as a drug for suppressing neointimal hyperplasia causing restenosis. Phytoncides (PTC) are compounds released from
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
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
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
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
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