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Claudio Gardana et al.
Journal of pineal research, 57(4), 435-441 (2014-09-25)
Melatonin is a neurohormone, chronobiotic, and antioxidant compound found in wine and deriving directly from grapes and/or synthesized by yeast during alcoholic fermentation. In addition, a melatonin isomer has been detected in different foods, wine among them. The special interest
Lisa M Røst et al.
Metabolites, 10(2) (2020-02-26)
Absolute quantification of intracellular metabolite pools is a prerequisite for modeling and in-depth biological interpretation of metabolomics data. It is the final step of an elaborate metabolomics workflow, with challenges associated with all steps-from sampling to quantifying the physicochemically diverse
Colin P Starkey et al.
Meat science, 105, 32-37 (2015-03-15)
Meat tenderness is known to be affected by sarcomere length (SL), proteolysis and collagen content (CC). Sixty lambs were slaughtered and the Longissimus muscle was sampled. Samples for shear force (SF), SL, proteolysis indicators (desmin degradation, particle size: PS) and
Kamala Pant et al.
Mutation research. Genetic toxicology and environmental mutagenesis, 786-788, 87-97 (2015-07-28)
In the international validation study of the in vivo rat alkaline comet assay (comet assay), the Japanese Center for the Validation of Alternative Methods (JaCVAM) provided three coded chemicals to BioReliance, 1,3-dichloropropene, ethionamide and busulfan, to be tested in a
Juan Peris-Vicente et al.
Journal of chromatographic science, 52(9), 1121-1126 (2013-11-14)
A capillary electrophoresis method was developed to quantify caffeine and theophylline, xanthine derivatives with bronchodilator activity. Buffer concentration, pH and applied voltage were optimized using a central composite design-face centred. Separation conditions were: silica capillary tube, 75 μm (i.d.) and
Laura Kervezee et al.
The AAPS journal, 16(5), 1029-1037 (2014-06-12)
Nearly all bodily processes exhibit circadian rhythmicity. As a consequence, the pharmacokinetic and pharmacodynamic properties of a drug may also vary with time of day. The objective of this study was to investigate diurnal variation in processes that regulate drug
Aylin Ustündağ et al.
Archives of toxicology, 88(6), 1281-1289 (2014-04-09)
The toxic heavy metals cadmium (Cd) and lead (Pb) are important environmental pollutants which can cause serious damage to human health. As the metal ions (Cd(2+) and Pb(2+)) accumulate in the organism, there is special concern regarding chronic toxicity and
Amy I Yu et al.
Cell reports, 31(1), 107471-107471 (2020-04-09)
There is increasing evidence that gut microbiome perturbations, also known as dysbiosis, can influence colorectal cancer development. To understand the mechanisms by which the gut microbiome modulates cancer susceptibility, we examine two wild-type mouse colonies with distinct gut microbial communities
Sara Pantini et al.
Waste management (New York, N.Y.), 43, 37-49 (2015-07-08)
In this work, the influence of different operating conditions on the biogas production from mechanically-biologically treated (MBT) wastes is investigated. Specifically, different lab-scale anaerobic tests varying the water content (26-43% w/w up to 75% w/w), the temperature (from 20 to
Ilona Oledzka et al.
Journal of analytical toxicology, 39(6), 436-443 (2015-04-30)
A novel approach for the simultaneous quantification of eight benzodiazepines (BZDs) using dispersive liquid-liquid microextraction (DLLME) and field-amplified sample stacking (FASS) combined with micellar electrokinetic chromatography (MEKC) was investigated and evaluated in the context of precision, accuracy, sensitivity, linearity, detection
Biebele Abel et al.
Journal of immunological methods, 411, 43-49 (2014-06-21)
In this study, we report the use of an enzyme-based hybrid platform, which is comprised of silver island films, enzymes (HRP and AP) and high-throughput screening (HTS) microplates, to enhance the colorimetric response of enzymatic reactions. The hybrid platform was
Roshali T de Silva et al.
Microbiology (Reading, England), 167(2) (2021-01-19)
Some microbes display pleomorphism, showing variable cell shapes in a single culture, whereas others differentiate to adapt to changed environmental conditions. The pleomorphic archaeon Haloferax volcanii commonly forms discoid-shaped ('plate') cells in culture, but may also be present as rods
Luis Alberto Luévano-Martínez et al.
Biochimica et biophysica acta, 1847(6-7), 587-598 (2015-04-07)
Mitochondria play a key role in adaptation during stressing situations. Cardiolipin, the main anionic phospholipid in mitochondrial membranes, is expected to be a determinant in this adaptive mechanism since it modulates the activity of most membrane proteins. Here, we used
Lisa Mathiasen et al.
PloS one, 10(4), e0125789-e0125789 (2015-04-10)
Human PREP1 and PBX1 are homeodomain transcriptional factors, whose biochemical and structural characterization has not yet been fully described. Expression of full-length recombinant PREP1 (47.6 kDa) and PBX1 (46.6 kDa) in E. coli is difficult because of poor yield, high
Martin Kampmann et al.
Nature protocols, 9(8), 1825-1847 (2014-07-06)
Systematic genetic interaction maps in microorganisms are powerful tools for identifying functional relationships between genes and for defining the function of uncharacterized genes. We have recently implemented this strategy in mammalian cells as a two-stage approach. First, genes of interest
Xianxie Zhang et al.
Drug design, development and therapy, 9, 6343-6362 (2015-12-18)
Tanshinone IIA (Tan IIA) (C19H18O3) is one of the major active lipophilic components in a conventional Chinese medicine called danshen, and it has long been used in the People's Republic of China and other neighboring countries to treat patients suffering
Rosario Iglesias et al.
Bio-protocol, 7(6), e2180-e2180 (2017-03-20)
Ribosome-inactivating proteins (RIPs) are enzymes that irreversibly inactivate ribosomes as a consequence of their N-glycosylase (EC 3.2.2.22) activity. The enzyme cleaves the N-glycosidic bond between the adenine No. 4324 from the 28S rRNA and its ribose in rat ribosomes (or
Dan Shu et al.
Nanomedicine (London, England), 10(12), 1881-1897 (2015-07-04)
To find methods for potent drug development by targeting to biocomplex with high copy number. Phi29 DNA packaging motor components with different stoichiometries were used as model to assay virion assembly with Yang Hui's Triangle [Formula: see text], where Z
Javad Tashkhourian et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 152, 119-125 (2015-07-24)
A rapid, simple and inexpensive spectrofluorimetric sensor for determination of doxycycline based on its interaction with thioglycolic acid-capped cadmium telluride quantum dots (TGA/CdTe QDs) has been developed. Under the optimum experimental conditions, the sensor exhibited a fast response time of
Ying Rang et al.
Journal of separation science, 38(15), 2722-2728 (2015-05-27)
A quantitative sample introduction method based upon inkjet injection was applied to capillary electrophoresis coupled with stacking and sweeping on-line concentration techniques. Methylxanthines were used as model compounds for the proof-of-concept of the method. The volume of injected sample could
Van T Luu et al.
Bio-protocol, 10(17), e3739-e3739 (2021-03-05)
Genetic transformation is crucial for both investigating gene functions and for engineering of crops to introduce new traits. Rice (Oryza sativa L.) is an important model in plant research, since it is the staple food for more than half of
Tiffany C Delport et al.
Journal of wildlife diseases, 51(3), 555-563 (2015-04-29)
Greater interaction between humans and wildlife populations poses significant risks of anthropogenic impact to natural ecosystems, especially in the marine environment. Understanding the spread of microorganisms at the marine interface is therefore important if we are to mitigate adverse effects
Yves Claude Guillaume et al.
Biomedical chromatography : BMC, 29(9), 1338-1342 (2015-02-04)
In a previous paper Guillaume's group demonstrated that magnesium (Mg(2+) concentration range 0.00-2.60 mm) increased the passive diffusion of statins and thus played a role in their potential toxicity. In order to confirm an increase in this passive diffusion by
Yiting Wang et al.
British journal of pharmacology, 171(19), 4490-4503 (2014-06-07)
Dysfunction of the cystic fibrosis transmembrane conductance regulator (CFTR) Cl(-) channel causes the genetic disease cystic fibrosis (CF). Towards the development of transformational drug therapies for CF, we investigated the channel function and action of CFTR potentiators on A561E, a
Mathieu Rajalu et al.
Neuropharmacology, 88, 145-154 (2014-09-10)
GABAB receptors (GABABRs) are considered promising drug targets for the treatment of mental health disorders. GABABRs are obligate heteromers of principal GABAB1 and GABAB2 subunits. GABABRs can additionally associate with auxiliary KCTD8, 12, 12b and 16 subunits, which also bind
Imène Mensi et al.
Bio-protocol, 7(2), e2111-e2111 (2017-01-20)
Sugarcane (interspecific hybrids of Saccharum species) is an economically important crop that provides 70% of raw table sugar production worldwide and contributes, in some countries, to bioethanol and electricity production. Leaf scald, caused by the bacterial plant pathogen Xanthomonas albilineans
Hye Ryeo Lee et al.
Journal of chromatography. A, 1346, 117-122 (2014-05-09)
In liquid phase microextraction, high enrichment factors can be obtained using an acceptor phase of small volume. By hanging an acceptor drop at the separation capillary tip, single drop microextraction (SDME) can be in-line coupled with capillary electrophoresis (CE). The
Blanca V Rodriguez et al.
Analytical biochemistry, 492, 69-75 (2015-09-30)
High-quality chromosomal DNA is a requirement for many biochemical and molecular biological techniques. To isolate cellular DNA, standard protocols typically lyse cells and separate nucleic acids from other biological molecules using a combination of chemical and physical methods. After a
Shannon M Miller et al.
Nature protocols, 15(12), 4101-4127 (2020-11-18)
Directed evolution, which applies the principles of Darwinian evolution to a laboratory setting, is a powerful strategy for generating biomolecules with diverse and tailored properties. This technique can be implemented in a highly efficient manner using continuous evolution, which enables
Francesca Cima et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 169, 16-24 (2015-01-13)
New biocides such as the organometallic compound zinc pyrithione (ZnP) have been massively introduced by many countries in formulations of antifouling paints following the ban on tributyltin (TBT). The effects of sublethal concentrations (LC50=82.5 μM, i.e., 26.2 mg/l) on cultured
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