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Showing 1-30 of 4303 results for "32213" within Papers
Zhiguo Li et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 15(11), 2247-2251 (2014-05-08)
The Cu(I) -catalyzed 1,3-dipolar azide-alkyne cycloaddition (CuAAC) has arisen as one of the most useful chemical transformations for introducing complexity onto surfaces and materials owing to its functional-group tolerance and high yield. However, methods for monitoring such reactions in situ
Natalie Cortes et al.
Life sciences, 122, 42-50 (2014-12-23)
Amaryllidaceae alkaloids exhibit a wide range of physiological effects, of which the acetylcholinesterase (AChE) inhibitory activity is the most relevant. However, scientific evidence related to their neuroprotective effectiveness against glutamate-induced toxicity has been lacking. Thus, the purpose of this study
Ali Es-Haghi et al.
Talanta, 128, 231-236 (2014-07-26)
Sol-gel based solid-phase microextraction fibers supported by a stainless steel wire were fabricated and employed for GC-MS determination of oxadiargyl in real samples. The fibers were based on four compounds with different polarity: polar and non-polar (end-capped) poly(dimethylsiloxane) (PDMS), polyethylene
Marcos Tascon et al.
Analytical and bioanalytical chemistry, 407(13), 3637-3645 (2015-03-10)
The use of algae as a foodstuff is rapidly expanding worldwide from the East Asian countries, where they are also used for medical care. Harmala alkaloids (HAlk) are a family of bioactive compounds found in the extracts of some plants
J P Webber et al.
Oncogene, 34(3), 290-302 (2014-01-21)
Activation of myofibroblast rich stroma is a rate-limiting step essential for cancer progression. The responsible factors are not fully understood, but TGFβ1 is probably critical. A proportion of TGFβ1 is associated with extracellular nano-vesicles termed exosomes, secreted by carcinoma cells
Konrad Gabrusiewicz et al.
Oncotarget, 5(8), 2208-2220 (2014-05-09)
The addition of anti-angiogenic therapy to the few treatments available to patients with malignant gliomas was based on the fact that these tumors are highly vascularized and on encouraging results from preclinical and clinical studies. However, tumors that initially respond
Venkata V V R Marada et al.
Pharmacological research, 91, 78-87 (2014-12-08)
The ability of an antineoplastic drug to exert its cytostatic effect depends largely on the balance between its uptake into and extrusion from the cancer cells. ATP driven efflux transporter proteins drive the export of antineoplastic drugs and play a
Monica Mazzarino et al.
Journal of pharmaceutical and biomedical analysis, 117, 47-60 (2015-09-08)
This work presents an analytical method for the simultaneous analysis in human urine of 38 pharmacologically active compounds (19 benzodiazepine-like substances, 7 selective serotonin reuptake inhibitors, 4 azole antifungal drugs, 5 inhibitors of the phosphodiesterases type 4 and 3 inhibitors
Zhengzong Wu et al.
Food chemistry, 194, 671-679 (2015-10-17)
The application of attenuated total reflectance infrared spectroscopy (ATR-IR), Raman spectroscopy (RS) and combination of ATR-IR and RS for measurements of total antioxidant capacity (TAC) and total phenolic content (TPC) of Chinese rice wine (CRW) were investigated in this study.
Dulat Azhibek et al.
Nucleic acids research, 42(15), 9531-9542 (2014-08-02)
Telomerase is a key participant in the telomere length maintaining system in eukaryotic cells. Telomerase RNA and protein reverse transcriptase subunits are essential for the appearance of active telomerase in vitro. Telomerase is active in many cancer types and is
Ruben D Arroyo-Olarte et al.
PLoS biology, 13(11), e1002288-e1002288 (2015-11-14)
The major membrane phospholipid classes, described thus far, include phosphatidylcholine (PtdCho), phosphatidylethanolamine (PtdEtn), phosphatidylserine (PtdSer), and phosphatidylinositol (PtdIns). Here, we demonstrate the natural occurrence and genetic origin of an exclusive and rather abundant lipid, phosphatidylthreonine (PtdThr), in a common eukaryotic
Liang Hu et al.
Materials science & engineering. C, Materials for biological applications, 47, 313-324 (2014-12-11)
We used a combination of mesoporous silica nanospheres (MSN) and layer-by-layer (LBL) self-assembly technology to establish a new oral sustained drug delivery system for the poorly water-soluble drug felodipine. Firstly, the model drug was loaded into MSN, and then the
Daman Kumari et al.
Human mutation, 35(12), 1485-1494 (2014-09-17)
Fragile X syndrome (FXS) is the most frequent cause of inherited intellectual disability and autism. It is caused by the absence of the fragile X mental retardation 1 (FMR1) gene product, fragile X mental retardation protein (FMRP), an RNA-binding protein
Jiansheng Liu et al.
Biomaterials, 74, 64-76 (2015-10-09)
Despite optimal therapeutic regimen with currently available antiepileptic drugs (AEDs), approximately a third of epilepsy patients remain drug refractory. Region-specific overexpression of multidrug efflux transporters at the blood-brain barrier, such as P-glycoprotein (P-gp), might contribute to multidrug resistance (MDR) by
Wen Hu et al.
Colloids and surfaces. B, Biointerfaces, 123, 254-263 (2014-10-04)
Nanocarriers with low toxicity, high stability, long circulation in blood and triggered drug release at target sites are extremely needed for cancer therapy. In this study, different molar ratios of poly (ethylene glycol) (PEG) were conjugated to poly (amidoamine) dendrimer
ZNF139 promotes tumor metastasis by increasing migration and invasion in human gastric cancer cells.
Y Li et al.
Neoplasma, 61(3), 291-298 (2014-05-16)
Zinc finger protein 139(ZNF139), a member of zinc finger protein family, is a transcription factor. Our previous research showed ZNF139 was overexpressed in gastric cancer cells. The purpose of present study is to explore impact and mechanism of ZNF139 on
Randy W Purves et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 980, 1-7 (2015-01-02)
Acyl coenzyme A (acyl-CoA) thioesters are important intermediates in cellular metabolism and being able to distinguish among them is critical to fully understanding metabolic pathways in plants. Although significant advances have been made in the identification and quantification of acyl-CoAs
Marianne Seleman et al.
Psychopharmacology, 231(16), 3139-3149 (2014-04-08)
Transport across the BBB is a determinant of the rate and extent of drug distribution in the brain. Heroin exerts its effects through its principal metabolites 6-monoacetyl-morphine (6-MAM) and morphine. Morphine is a known substrate of P-glycoprotein (P-gp) at the
Samir Mohammed Abd-Elghany et al.
Food chemistry, 179, 253-256 (2015-02-28)
Total aflatoxins (AFT) and ochratoxin A (OTA) levels were estimated using the VICAM AflaTest and OchraTest immunoaffinity fluorometric method in a total of 50 meat products (25 each of beef luncheon and beef burger) purchased from different supermarkets in Mansoura
Chang Li et al.
Journal of agricultural and food chemistry, 63(44), 9850-9854 (2015-10-20)
The capacities of six antioxidants to inhibit the formation of 3-monochloropropane-1,2 diol (3-MCPD) esters were examined in this study. Inhibitory capacities of the antioxidants were investigated both in chemical models containing the precursors (tripalmitoyl glycerol, 1,2-dipalmitoyl-sn-glycerol, monopalmitoyl glycerol, and sodium
Wenyan Wang et al.
PloS one, 9(6), e98887-e98887 (2014-06-03)
Stereoselectivity has been proved to be tightly related to drug action including pharmacodynamics and pharmacokinetics. (20S,24R)-epoxy-dammarane-3,12,25-triol (24R-epimer) and (20S,24S)-epoxy-dammarane-3,12,25-triol (24S-epimer), a pair of 20(S)-protopanaxadiol (PPD) ocotillol type epimers, were the main metabolites of PPD. Previous studies have shown that 24R-epimer
Jacob L Lilly et al.
PloS one, 9(12), e115630-e115630 (2014-12-24)
Determining the location of rare proteins in cells typically requires the use of on-sample amplification. Antibody based recognition and enzymatic amplification is used to produce large amounts of visible label at the site of protein expression, but these techniques suffer
Askin Birgul et al.
Archives of environmental contamination and toxicology, 68(1), 46-63 (2014-12-07)
Ambient air polycyclic aromatic hydrocarbon (PAH) samples were collected at traffic, residential, coastal, and semiurban sites in Bursa, Turkey, between June 2008 and June 2009. For the traffic, residential, coastal, and semiurban sites, the average gas phase total PAH (∑12PAH)
Zhantao Han et al.
Water research, 70, 394-403 (2015-01-03)
This paper discusses the sorbent properties of magnetic activated carbons and biochars produced by wet impregnation with iron oxides. The sorbents had magnetic susceptibilities consistent with theoretical predictions for carbon-magnetite composites. The high BET surface areas of the activated carbons
Vanessa Alves Pinheiro et al.
Pharmaceutical development and technology, 20(2), 197-203 (2013-11-30)
With the aim of reducing system absorption and consequently, the side effects, and simultaneously select a penetration enhancing, three topical formulations with 0.5% ciclopirox olamine (CO) and 15% of propylene glycol (PG), ethoxydiglycol or oleic acid were developed and evaluated
Son T Nguyen et al.
Bioorganic & medicinal chemistry, 23(9), 2024-2034 (2015-03-31)
Recently we described a novel pyranopyridine inhibitor (MBX2319) of RND-type efflux pumps of the Enterobacteriaceae. MBX2319 (3,3-dimethyl-5-cyano-8-morpholino-6-(phenethylthio)-3,4-dihydro-1H-pyrano[3,4-c]pyridine) is structurally distinct from other known Gram-negative efflux pump inhibitors (EPIs), such as 1-(1-naphthylmethyl)-piperazine (NMP), phenylalanylarginine-β-naphthylamide (PAβN), D13-9001, and the pyridopyrimidine derivatives. Here
Suvi Sutela et al.
PloS one, 9(12), e114434-e114434 (2014-12-17)
A small multigene family encodes 4-coumarate:CoA ligases (4CLs) catalyzing the CoA ligation of hydroxycinnamic acids, a branch point step directing metabolites to a flavonoid or monolignol pathway. In the present study, we examined the effect of antisense Populus tremuloides 4CL
Hikaru Nagasawa et al.
Rinsho shinkeigaku = Clinical neurology, 45(7), 527-530 (2005-08-27)
We report a 24-year-old man with severe methanol intoxication, who showed cerebral and optic nerve damages on MRI. He was admitted to our hospital with an acute onset of unconsciousness and severe metabolic acidosis, and was immediately treated by hemodialysis.
Takashi Matsumoto et al.
Molecules (Basel, Switzerland), 20(10), 18031-18046 (2015-10-06)
Most orally administered polyphenols are metabolized, with very little absorbed as aglycones and/or unchanged forms. Metabolic and pharmacokinetic studies are therefore necessary to understand the pharmacological mechanisms of polyphenols. Jumihaidokuto (JHT), a traditional Japanese medicine, has been used for treatment
Bat-Chen Cohen et al.
PloS one, 10(3), e0121645-e0121645 (2015-03-11)
Milk fat globule size is determined by the size of its precursors-intracellular lipid droplets-and is tightly associated with its composition. We examined the relationship between phospholipid composition of mammary epithelial cells and the size of both intracellular and secreted milk
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