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Dana M Lord et al.
Biochemistry, 53(46), 7223-7231 (2014-11-08)
MqsR-controlled colanic acid and biofilm regulator (McbR, also known as YncC) is the protein product of a highly induced gene in early Escherichia coli biofilm development and has been regarded as an attractive target for blocking biofilm formation. This protein
Ramprasad Kandavar et al.
Journal of clinical hypertension (Greenwich, Conn.), 17(1), 14-19 (2014-12-17)
Prehypertension is an important phenotype for cardiovascular risk and development of established hypertension. To better understand the early circulatory changes in this group, the authors studied 34 patients with prehypertension (blood pressure 120-139/80-89 mm Hg) using digital plethysmography for measurement
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
Sonika Batra et al.
Biomedical chromatography : BMC, 28(6), 815-825 (2014-05-28)
Enantiomeric separation of racemic mexiletine and fluoxetine was achieved using three chiral derivatizing reagents (CDRs) based on (S)-naproxen. Diastereomers were synthesized by reaction of mexiletine or fluoxetine with the CDRs and were separated on a C18 column under reversed-phase conditions
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
Jiannan Sun et al.
Journal of chromatography. A, 1379, 112-117 (2015-01-13)
This study achieved resolution improvement for iodine speciation in the presence of an ion-pairing reagent by a pressure-driven capillary electrophoresis (CE) system. Addition of 0.01mM tetrabutyl ammonium hydroxide (TBAH) as the ion-pairing reagent into the electrophoretic buffer resulted in the
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
J L Ordóñez et al.
Food chemistry, 178, 221-228 (2015-02-24)
This paper studies the amino acid profile of beverages obtained through the fermentation of strawberry purée by a surface culture using three strains belonging to different acetic acid bacteria species (one of Gluconobacter japonicus, one of Gluconobacter oxydans and one
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
Adriana Plesa et al.
Archives of virology, 159(12), 3305-3320 (2014-08-22)
The aim of this study was to identify and associate the sequence variations of human Papillomavirus 16 (HPV16) genes from women who live in two different areas of Romania and associate them with malignant progression. One hundred twenty-four HPV16-positive cervical
Maria Notou et al.
Journal of chromatography. A, 1356, 272-276 (2014-07-06)
A novel zone-fluidics/high pressure liquid chromatographic (ZF-HPLC) method is described for the simultaneous determination of six biogenic monoamines, in the presence of hexylamine as internal standard. Automated on-line derivatization of the analytes with naphthalene-2,3-dicarboxaldehyde/cyanide ions was performed using the ZF
Martin Holm Rau et al.
BMC genomics, 16, 1051-1051 (2015-12-15)
Bacterial small RNAs (sRNAs) are recognized as posttranscriptional regulators involved in the control of bacterial lifestyle and adaptation to stressful conditions. Although chemical stress due to the toxicity of precursor and product compounds is frequently encountered in microbial bioprocessing applications
Azizollah Nezhadali et al.
Talanta, 146, 525-532 (2015-12-24)
The present work describes development of a simple and cost-effective electrochemical sensor for determination of 1,4-dihydroxyanthraquinone (1,4-DAQ) based on molecularly imprinted polypyrrole (PPY). The molecularly imprinted polymer (MIP) was electrochemically synthesized onto surface of multi-walled carbon-nanotubes-modified pencil graphite electrode (MWCNs-PGE).
M Amirul Alam et al.
Comptes rendus biologies, 338(1), 1-11 (2014-12-04)
Genetic diversity and relationships among 45 collected purslane accessions were evaluated using ISSR markers. The 28 primers gave a total of 167 bands, among which 163 were polymorphic (97.6%). The genetic diversity as estimated by Shannon's information index was 0.513
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
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
Ana C Moreira et al.
Biochimica et biophysica acta, 1842(12 Pt A), 2468-2478 (2014-10-07)
The cardiotoxicity induced by the anti-cancer doxorubicin involves increased oxidative stress, disruption of calcium homeostasis and activation of cardiomyocyte death. Nevertheless, antioxidants and caspase inhibitors often show little efficacy in preventing cell death. We hypothesize that a caspase-independent cell death
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
L Charlet Bhami et al.
Journal of vector borne diseases, 52(2), 147-152 (2015-06-30)
The use of low concentrations of boric acid as a potential and effective control agent for the eggs and immature stages of Aedes aegypti L. and Aedes albopictus Skuse (Diptera: Culicidae) is found to be safe and effective as compared
Atsushi Shoji et al.
Journal of pharmaceutical and biomedical analysis, 95, 47-53 (2014-03-19)
Evaluation of cathepsin B activities for degrading collagen IV and heat-denatured collagen IV (gelatin) were performed by surface plasmon resonance (SPR) and circular dichroism (CD) measurements. The optimal pH of cathepsin B activity for degrading each substrate was around 4.0.
P A Mosier-Boss et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 153, 591-598 (2015-10-07)
SERS substrates were fabricated by filtering either Ag or Au colloidal particles onto rigid, ceramic filters - onto which suspensions of bacteria were then filtered. SERS spectra of the bacteria were obtained using a Raman spectrometer that has an 'orbital
Ambra Milani et al.
Talanta, 136, 15-22 (2015-02-24)
The redox sensitive trace metals iron and manganese are two important elements that help shape the biogeochemistry of aquatic systems and thus their measurement is important. Current laboratory methods are expensive, time consuming and cannot provide the spatial and temporal
Carmen Cacho et al.
Journal of chromatography. A, 1364, 59-63 (2014-09-16)
During the last years, several authors have focused on the characterization of the size and charge of the nanoparticles by capillary electrophoresis. However, considering that nanoparticles are generally suspended in a solvent different from those commonly used as background electrolytes
Alessia Finotti et al.
Pharmacological research, 91, 57-68 (2014-12-06)
Rapamycin, an inhibitor of mTOR activity, is a potent inducer of erythroid differentiation and fetal hemoglobin production in β-thalassemic patients. Mithramycin (MTH) was studied to see if this inducer of K562 differentiation also operates through inhibition of mTOR. We can
Marie C Hogan et al.
BMC nephrology, 16, 190-190 (2015-11-19)
Glomerular diseases are potentially fatal, requiring aggressive interventions and close monitoring. Urine is a readily-accessible body fluid enriched in molecular signatures from the kidney and therefore particularly suited for routine clinical analysis as well as development of non-invasive biomarkers for
Rajen Chettri et al.
International journal of food microbiology, 197, 72-76 (2015-01-13)
Tungrymbai and bekang are naturally fermented soybean foods commonly consumed in Meghalaya and Mizoram states of India. A total of 39 samples of tungrymbai and 43 samples of bekang were collected from different villages and markets of Meghalaya and Mizoram
Sun-Mi Shin et al.
Journal of agricultural and food chemistry, 62(50), 12186-12193 (2014-11-22)
The gadB gene encoding glutamate decarboxylase (GAD) from Lactobacillus plantarum was cloned and expressed in Escherichia coli. The recombinant enzyme exhibited maximal activity at 40 °C and pH 5.0. The 3D model structure of L. plantarum GAD proposed that its
Teresa Balbi et al.
The Science of the total environment, 493, 355-364 (2014-06-22)
The increasing production of nanoparticles (NPs) will lead to their release into the aquatic environment, where they could modify the bioavailability/bioconcentration and consequent biological impact of other contaminants. Interactive effects of n-TiO2, one of the most widespread NP type, and
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
Jing Li et al.
American journal of physiology. Cell physiology, 306(10), C943-C960 (2014-03-22)
The human solute carrier (SLC26) family of anion transporters consists of 10 members (SLCA1-11, SLCA10 being a pseudogene) that encode membrane proteins containing ~12 transmembrane (TM) segments with putative N-glycosylation sites (-NXS/T-) in extracellular loops and a COOH-terminal cytosolic STAS
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