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Monika Gibis et al.
Journal of food science, 80(11), C2430-C2439 (2015-10-08)
The impact of precursors such as creatine, creatinine, and glucose on the formation of mutagenic/carcinogenic heterocyclic amines (HAs) were studied in patties of 9 different animal species equally heat treated with a double-plate contact grill. All grilled patties of the
J M Fujitaki et al.
Biochemistry, 20(12), 3658-3664 (1981-06-09)
Phosphorus-31 nuclear magnetic resonance (31P NMR) is used to investigate acid-labile phosphorylation of histone H4. 31P NMR detects phosphorylated histidine residues in in vitro enzymatically phosphorylated H4. The source of kinase is nuclei from either regenerating rat liver or Walker-256
Rouhollah Karami-Osboo et al.
Journal of food science and technology, 52(4), 2440-2445 (2015-04-02)
A method based on dispersive liquid-liquid microextraction (DLLME) was developed for the quantitative extraction of Ochratoxin A (OTA) from raisin samples. The influence of various parameters on the recovery of OTA such as type and volume of DLLME extractant, centrifuging
Yijin Liu et al.
Journal of chromatography. A, 1420, 119-128 (2015-10-16)
To-date, there has been no effective chiral capillary electrophoresis-mass spectrometry (CE-MS) method reported for the simultaneous enantioseparation of the antidepressant drug, venlafaxine (VX) and its structurally-similar major metabolite, O-desmethylvenlafaxine (O-DVX). This is mainly due to the difficulty of identifying MS
Abhishek Mandal et al.
Biophysical journal, 109(9), 1873-1884 (2015-11-05)
The cellular process of intrinsic apoptosis relies on the peroxidation of mitochondrial lipids as a critical molecular signal. Lipid peroxidation is connected to increases in mitochondrial reactive oxygen species, but there is also a required role for mitochondrial cytochrome c
Laura Herrero et al.
Analytica chimica acta, 853, 625-636 (2014-12-04)
Phthalates (PAEs) are ubiquitous toxic chemical compounds. During the last few years, some phthalate metabolites (MPAEs) have been proposed as appropriate biomarkers in human urine samples to determine PAE human intake and exposure. So, it is necessary to have fast
R Kanďár et al.
Andrologia, 46(10), 1079-1088 (2013-10-16)
A method is described here for the determination of total glutathione (TGSH) and glutathione disulphide (GSSG) in the seminal plasma of the male partners of couples requesting a fertility evaluation. A suitable sample preparation procedure prior to high-performance liquid chromatography
Emil Meng-Lund et al.
Journal of pharmaceutical sciences, 103(7), 2053-2061 (2014-05-16)
The pH partition theory proposes a correlation between fraction of unionized drug substance and permeability. The aim of this study was to compare the permeability of metoprolol and mannitol in ex vivo human and porcine buccal mucosa models at varying
Konstantinos E Farsalinos et al.
Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 17(2), 168-174 (2014-09-03)
The purpose of this study was to evaluate sweet-flavored electronic cigarette (EC) liquids for the presence of diacetyl (DA) and acetyl propionyl (AP), which are chemicals approved for food use but are associated with respiratory disease when inhaled. In total
Andreas Rathke et al.
The journal of adhesive dentistry, 15(2), 107-114 (2013-03-28)
To evaluate the composite-to-enamel bond following double etching of the enamel using phosphoric acid and different self-etching (SE) bonding systems with and without the application of their respective acidic primers. The enamel surfaces of 90 human molars were ground (600
Haisong Wang et al.
Carbohydrate polymers, 113, 225-230 (2014-09-27)
Microwave irradiation is a rapid and efficient method to synthesize oligomers and can be employed in polysaccharides production. As an artificial polysaccharide, polydextrose is known for its solid performance in food processing and its additional health benefits. This study was
Ana Oliveira et al.
Life sciences, 109(2), 104-110 (2014-06-27)
Morphine is extensively metabolized to neurotoxic morphine-3-glucuronide (M3G) and opioid agonist morphine-6-glucuronide (M6G). Due to these different roles, interindividual variability and co-administration of drugs that interfere with metabolism may affect analgesia. The aim of the study was to investigate the
Lauriane Goldwirt et al.
Journal of neuro-oncology, 122(2), 273-281 (2015-03-22)
Glioblastoma (GBM) is the most common primary malignant brain tumour in adults. Prognosis of GBM patients is poor with median overall survival around 15 months. Temozolomide is the chemotherapeutic agent used in the standard of care of newly diagnosed GBM
Stephen R Groskreutz et al.
Journal of chromatography. A, 1354, 65-74 (2014-06-30)
Solvent-based on-column focusing is a powerful and well known approach for reducing the impact of pre-column dispersion in liquid chromatography. Here we describe an orthogonal temperature-based approach to focusing called temperature-assisted on-column solute focusing (TASF). TASF is founded on the
Zoe M Smith et al.
Talanta, 130, 221-225 (2014-08-28)
Previous applications of manganese(IV) as a chemiluminescence reagent have required the use of formaldehyde to enhance the emission intensity to analytically useful levels. However, this known human carcinogen (by inhalation) is not ideal for routine application. A wide range of
Leily Macedo Firoozmand et al.
Brazilian oral research, 27(2), 142-148 (2013-03-30)
The aim of this study was to evaluate the shear bond strength (SBS) of polycrystalline ceramic brackets (PCB) bonded after bleaching treatment using different composite resins and enamel etching times. A total of 144 bovine incisors were randomly divided into
Best literature values for the pK of carbonic and phosphoric acid under physiological conditions.
Robert L Jungas
Analytical biochemistry, 349(1), 1-15 (2005-12-27)
Yan Zhao et al.
Journal of pharmaceutical and biomedical analysis, 117, 73-78 (2015-09-08)
An effective and rapid method was developed for the simultaneous identification of aloe, catechu and gambir by high performance liquid chromatography-diode array detector (HPLC-DAD). Identification of three maker compounds presented in three medicinal materials was performed on high performance liquid
J Kanca
Quintessence international (Berlin, Germany : 1985), 21(2), 83-86 (1990-02-01)
This paper explores the possibility that the inflammatory response in pulpal tissues noted in some early studies when dentin was treated with phosphoric acid was not caused by the acid. It suggests that the inflammatory response was caused by the
Udesh Dhawan et al.
Journal of nanobiotechnology, 13, 79-79 (2015-11-11)
Nitric oxide (NO) plays a very important role in the cardiovascular system as a major secondary messenger in signaling pathway. Its concentration regulates most of the important physiological indexes including the systemic blood pressure, blood flow, regional vascular tone and
Carmen Vanessa Ortiz-Ruiz et al.
IUBMB life, 67(10), 757-767 (2015-09-25)
The development of effective tyrosinase inhibitors has become increasingly important in the cosmetic, medicinal, and agricultural industries for application as antibrowning and depigmenting agents. The kinetic mechanisms of action of tyrosinase on monophenols and o-diphenols are complex, particularly in the
Jung Yeon Kim et al.
Biomedical chromatography : BMC, 29(3), 465-474 (2014-08-01)
The purpose of this study was to develop and validate an ultra-performance liquid chromatography method for simultaneous analysis of 20 antihistamines (illegal additives) in dietary supplements. The limits of detection and quantitation of the method ranged from 1.5 to 2.5
S Aras et al.
The Journal of clinical pediatric dentistry, 37(3), 275-279 (2013-07-17)
The aim of this study was to examine the effect of pre-post deproteinization treatment with 5% sodium hypochloride on shear bond strength (sbs) of adhesive resin to primary, immature and mature permanent teeth enamel. 30 teeth were used for each
Hashim Ali et al.
The journal of contemporary dental practice, 13(5), 650-654 (2012-12-20)
To find an alternative to popular orthodontic bonding agent composite resin and elimination of acid etching. To assess GC Fuji Ortho as an orthodontic bonding agent under different enamel conditions and evaluate the shear bond strength. Enamel surfaces intentionally contaminated
Giuseppe Palma et al.
International journal of pharmaceutics, 473(1-2), 55-63 (2014-07-06)
With the aim to find novel therapeutical approaches for triple-negative breast cancer (TNBC) treatment, we have developed a powder for i.v. injection based on cyclodextrins and docetaxel (DTX)-loaded polyethyleneglycol-poly(epsilon-caprolactone) nanoparticles (DTX-NPs). Nanoparticles are designed to concentrate at tumor level by
Bhavisha Bakrania et al.
International journal of cardiology, 202, 27-33 (2015-09-21)
Unconjugated bilirubin (UCB), an endogenous antioxidant, may protect the heart against ischemia-reperfusion (I-R) injury. However, the 'cardioprotective' potential of bilirubin therapy remains unclear. We tested whether pre- or post-ischemic treatment of ex vivo perfused hearts with bilirubin ditaurate (BRT) improves
Zhichao Liu et al.
PLoS computational biology, 7(12), e1002310-e1002310 (2011-12-24)
Drug-induced liver injury (DILI) is a significant concern in drug development due to the poor concordance between preclinical and clinical findings of liver toxicity. We hypothesized that the DILI types (hepatotoxic side effects) seen in the clinic can be translated
Fei Shen et al.
Bioresource technology, 130, 248-255 (2013-01-15)
In order to recycle the cotton-based waste textiles, a novel process was designed for pretreating waste textiles with phosphoric acid to recover polyester and fermentable sugar. The effects of pretreatment conditions including, phosphoric acid concentration, pretreatment temperature, time, and ratio
Lina Zuluaga-Idárraga et al.
Journal of pharmaceutical and biomedical analysis, 95, 200-206 (2014-04-01)
One of the most important aspects regarding the therapeutic efficacy of antimalarials is its quantification in biologic fluids. The detection and measurement of antimalarial drug levels is important for demonstrating (1) adequate absorption of the drug being given, (2) compliance
Andrii Anatoliyovych Gryshchenko et al.
Journal of enzyme inhibition and medicinal chemistry, 30(1), 126-132 (2014-06-19)
New class of FGFR1 kinase inhibitors with naphthostyril heterocycle has been identified. A series of N-phenylnaphthostyril-1-sulfonamides has been synthesized and tested in vitro. It was revealed that the most active compound N-(4-hydroxyphenyl)naphthostyril-1-sulfonamide inhibited FGFR1 with IC50 of 2 µM. In our
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