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Raquel González de Vega et al.
Analytical and bioanalytical chemistry, 407(9), 2405-2413 (2014-10-27)
A post-column isotope dilution analysis (IDA) methodology was applied to carry out quantitative speciation of selenium in human vitreous humor samples by size exclusion chromatography (SEC) coupled on-line to inductively coupled plasma mass spectrometry (ICP-MS). Two main selenium species detected
Wojciech Ostrowski et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 967, 21-27 (2014-07-27)
Liquid chromatography coupled to mass spectrometry (MS) with electrospray ionization (ESI) is one of analytical techniques to obtain accurate results of low molecular weight aromatic compounds in biological samples of different origin. The interpretations of mass spectra of these aromatic
Hyung Eun Lee et al.
Pharmacology, biochemistry, and behavior, 103(2), 260-266 (2012-09-14)
Sinapic acid (SA) is a phenylpropanoid compound with anti-inflammatory and neuroprotective activities. The neuroprotective effects of SA in a mouse model of amyloid β (Aβ)(1-42) protein-induced Alzheimer's disease (AD) were investigated. Mice received a bilateral injection of Aβ(1-42) protein into
Jonathan Cartmell et al.
Carbohydrate research, 403, 123-134 (2014-08-16)
Selective strategies for the construction of novel three component glycoconjugate vaccines presenting Candida albicans cell wall glycan (β-1,2 mannoside) and polypeptide fragments on a tetanus toxoid carrier are described. The first of two conjugation strategies employed peptides bearing an N-terminal
Mingke Shao et al.
The Analyst, 145(12), 4148-4155 (2020-05-10)
With the expansion of the aquatic market and the large quantity of seafood consumption, the issues on safety, traceability and authenticity of seafood are becoming more and more important. Herein, a mass spectrometric method by direct analysis of fish samples
Emilie Bana et al.
Molecular carcinogenesis, 54(3), 229-241 (2013-10-25)
Cell division cycle (CDC) 25 proteins are key phosphatases regulating cell cycle transition and proliferation by regulating CDK/cyclin complexes. Overexpression of these enzymes is frequently observed in cancer and is related to aggressiveness, high-grade tumors and poor prognosis. Thus, targeting
Andrew D Watt et al.
Methods in molecular biology (Clifton, N.J.), 752, 229-240 (2011-06-30)
Alzheimer's disease (AD) is a highly heterogeneous and progressive dementia which is characterised by a progressive decline in cognitive functioning, selective neuronal atrophy, and loss of cortical volume in areas involved in learning and memory. However, recent research has indicated
Jiyan Liu et al.
Journal of ethnopharmacology, 155(2), 1322-1331 (2014-07-30)
Chemotherapy is the mainstay of modern tuberculosis (TB) control. Traditional Chinese Medicine (TCM) can enhance the effect of anti-TB drug, promote the absorption of the foci in the lung and reduce drug toxicity. In TCM, the determination of treatment is
Najla AlMasoud et al.
Analytica chimica acta, 840, 49-57 (2014-08-05)
Over the past few decades there has been an increased interest in using various analytical techniques for detecting and identifying microorganisms. More recently there has been an explosion in the application of matrix assisted laser desorption ionization time of flight
Xiao-Li Jin et al.
World journal of gastroenterology, 20(40), 14958-14964 (2014-10-31)
To develop a method to differentiate pancreatic cancer patients from healthy or benign individuals when carbohydrate antigen (CA) 19-9 is normal. Forty-one serum samples from patients with pancreatic lesions and blood samples from 20 healthy individuals were collected at the
Milica M Grozdanovic et al.
Journal of the science of food and agriculture, 94(14), 3046-3052 (2014-03-19)
Actinidin is a cysteine protease and major allergen from kiwi fruit. When purified under specific native conditions, actinidin preparations from fresh kiwi fruit contain both an active and inactive form of this enzyme. In this study, biochemical and immunological properties
Mattia Gasperotti et al.
Talanta, 128, 221-230 (2014-07-26)
An increasing number of studies have concerned the profiling of polyphenol microbial metabolites, especially in urine or plasma, but only a few have regarded their accurate quantification. This study reports on a new ultra-performance liquid chromatography tandem mass spectrometry method
Clara Brieke et al.
Organic & biomolecular chemistry, 13(7), 2012-2021 (2014-12-17)
Understanding the mechanisms underpinning glycopeptide antibiotic biosynthesis is key to the future ability to reinvent these compounds. For effective in vitro characterization of the crucial later steps of the biosynthesis, facile access to a wide range of substrate peptides as
Fabiola Medina et al.
Enzyme and microbial technology, 52(1), 68-76 (2012-12-04)
A Structure Activity Relationship (SAR) study for laccase mediator systems was performed in order to correctly classify different natural phenolic mediators. Decision tree (DT) classification models with a set of five quantum-chemical calculated molecular descriptors were used. These descriptors included
Direct tissue analysis of phospholipids in rat brain using MALDI-TOFMS and MALDI-ion mobility-TOFMS.
Shelley N Jackson et al.
Journal of the American Society for Mass Spectrometry, 16(2), 133-138 (2005-02-08)
After water, lipids are the most common biomolecules found in the brain (12%). A brief perusal of the physiology, anatomy, and pathophysiology of the brain illustrates the importance of lipids. Recent advances in mass spectrometry have allowed the direct probing
Zijun Bie et al.
Analytica chimica acta, 834, 1-8 (2014-06-15)
Boronate affinity materials have attracted increasing attentions as sample enrichment platforms for glycoproteomic analysis in recent years. However, most of the boronate affinity materials that have already employed for proteomic analysis are suffering from apparent disadvantages, such as alkaline pH
Anand Natrajan et al.
Organic & biomolecular chemistry, 13(9), 2622-2633 (2015-01-13)
Chemiluminescent acridinium dimethylphenyl esters are highly sensitive labels that are used in automated assays for clinical diagnosis. Light emission from these labels and their conjugates is triggered by treatment with alkaline peroxide. Conjugation of acridinium ester labels is normally done
David M G Anderson et al.
Analytical and bioanalytical chemistry, 407(8), 2311-2320 (2015-02-11)
MALDI imaging requires careful sample preparation to obtain reliable, high-quality images of small molecules, peptides, lipids, and proteins across tissue sections. Poor crystal formation, delocalization of analytes, and inadequate tissue adherence can affect the quality, reliability, and spatial resolution of
L Pari et al.
Chemico-biological interactions, 194(1), 40-47 (2011-08-26)
Arsenic compounds are classified as toxicants and human carcinogens. Environmental exposure to arsenic imposes a big health issue worldwide. Sinapic acid is a phenylpropanoid compound and is found in various herbal materials and high-bran cereals. It has been reported that
Chang-Bum Ahn et al.
Immunopharmacology and immunotoxicology, 34(4), 661-666 (2012-01-14)
Phenolic composition and antioxidant activities of the aqueous extract of Arisaema cum Bile, which is widely used as a folk medicine in Korea, were determined. Phenolic composition profile revealed that the aqueous extract is rich in sinapic acid (13.14 mg/100 g extract)
Sara Canas et al.
Phytochemical analysis : PCA, 26(1), 1-7 (2014-06-04)
Graft incompatibility of Vitis spp is an unresolved worldwide problem with important economic consequences. Grafting comprises a complex set of morphological and physiological alterations, in which the phenolic compounds seem to be strongly involved. Therefore, a detailed analysis and recognition
Yin-Hung Lai et al.
The journal of physical chemistry. B, 116(32), 9635-9643 (2012-07-18)
This investigation concerns the initial chemical reactions that affect the ionization of matrixes in matrix-assisted laser desorption/ionization (MALDI). The study focuses on the relaxations of photon energy that occur on a comparable time scale to that of ionization, in which
Jose C J M D S Menezes et al.
European journal of medicinal chemistry, 46(2), 773-777 (2011-01-11)
Long chain alkyl hydroxycinnamates (8-21) were synthesized from the corresponding half esters of malonic acid (5-7) and benzaldehyde derivatives by Knoevenagel condensation. The total antioxidant capacity of these hydroxycinnamyl esters was evaluated using DPPH and ABTS assays. The observed antioxidant
Sayeh Sinichi et al.
Food research international (Ottawa, Ont.), 115, 460-466 (2019-01-03)
Nanofiltration (NF) (MWCO 150-300 Da) was evaluated for the recovery of phenolic compounds from the wastewater from the production of yellow mustard protein isolates. Rejection coefficients of 0.70 and 0.87 and transmembrane fluxes of 51.3 L/hm2 and 28.8 L/hm2 were observed under alkaline
Daojin Li et al.
Journal of chromatography. A, 1384, 88-96 (2015-02-02)
Boronate affinity materials, as effective sample enrichment sorbents for glycoproteomic analysis, have attracted increasing attention in recent years. However, most of boronate affinity materials suffer from an apparent limitation, limited binding strength. As a result, extraction of glycoproteins of trace
Teruyo Ojima-Kato et al.
PloS one, 9(11), e113458-e113458 (2014-11-21)
Enterohemorrhagic Escherichia coli (EHEC), causes a potentially life-threatening infection in humans worldwide. Serovar O157:H7, and to a lesser extent serovars O26 and O111, are the most commonly reported EHEC serovars responsible for a large number of outbreaks. We have established
Peter Q Nguyen et al.
Nature communications, 5, 4945-4945 (2014-09-18)
The significant role of biofilms in pathogenicity has spurred research into preventing their formation and promoting their disruption, resulting in overlooked opportunities to develop biofilms as a synthetic biological platform for self-assembling functional materials. Here we present Biofilm-Integrated Nanofiber Display
S.N. Singh
Climate Change and Crops, 249-249 (2009)
Anne Arnold et al.
Rapid communications in mass spectrometry : RCM, 25(19), 2844-2850 (2011-09-14)
A simple, sensitive and fast method for the determination of melamine and its derivatives in milk powder using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) was developed. Neither time-consuming sample preparation, nor special target plates, or other extra equipment are
Jana Škerlová et al.
The FEBS journal, 281(18), 4280-4292 (2014-05-28)
Deoxyribonucleoside regulator (DeoR) from Bacillus subtilis negatively regulates expression of enzymes involved in the catabolism of deoxyribonucleosides and deoxyribose. The DeoR protein is homologous to the sorbitol operon regulator family of metabolic regulators and comprises an N-terminal DNA-binding domain and
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