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69890

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Michael C Breadmore et al.
Analytical chemistry, 80(16), 6373-6381 (2008-07-17)
An electroosmotic flow (EOF) controlled counterflow isotachophoretic stacking boundary (cf-ITPSB) system under field amplified conditions has been examined as a way to improve the sensitivity of anions separated by capillary zone electrophoresis. The system comprised a high concentration of a...
Takehiro Yokota et al.
Proteins, 66(2), 272-278 (2006-10-28)
Human JNK stimulatory phosphatase-1 (JSP-1) is a novel member of dual specificity phosphatases. A C-terminus truncated JSP-1 was expressed in Escherichia coli and was crystallized using the sitting-drop vapor diffusion method. Thin-plate crystals obtained at 278 K belong to a...
Jessica R Ray et al.
ACS applied materials & interfaces, 7(21), 11117-11126 (2015-05-06)
Polyamide (PA) semipermeable membranes typically used for reverse osmosis water treatment processes are prone to fouling, which reduces the amount and quality of water produced. By synergistically coupling the photothermal and bactericidal properties of graphene oxide (GO) nanosheets, gold nanostars...
E Lacey et al.
Journal of chromatography, 525(1), 71-84 (1990-01-26)
In the present study, we report the isolation of the acidic structural protein tubulin using a number of amino-activated gels. Crude 100,000 g supernatant derived from sheep brain was applied to gels activated with either aminohexyl, aminoethyl, argininyl, diethylaminoethyl, lysinyl...
Peng Zhai et al.
Materials science & engineering. C, Materials for biological applications, 56, 251-259 (2015-08-08)
Poly(lactic-co-glycolic acid) (PLGA) microspheres and PLGA/alginate composite microspheres were prepared by a novel double emulsion and solvent evaporation technique and loaded with bovine serum albumin (BSA) or rabbit anti-laminin antibody protein. The addition of alginate and the use of a...
Mathieu Cayla et al.
PLoS pathogens, 10(9), e1004347-e1004347 (2014-09-19)
Protozoan pathogens of the genus Leishmania have evolved unique signaling mechanisms that can sense changes in the host environment and trigger adaptive stage differentiation essential for host cell infection. The signaling mechanisms underlying parasite development remain largely elusive even though...
Yue-Hua Dou et al.
Electrophoresis, 23(20), 3558-3566 (2002-11-02)
Separation and direct detection of amino acids, glucose and peptide in a 3.1 cm separation channel made of poly(dimethylsiloxane) (PDMS) with end-column amperometric detection at a copper microdisk electrode was developed. This system is the integration of a normal sized...
Xu Yu et al.
Biosensors & bioelectronics, 66, 520-526 (2014-12-17)
A novel highly sensitive colorimetric assay for DNA detection using cascade amplification strategy based on hybridization chain reaction and enzyme-induced metallization was established. The DNA modified superparamagnetic beads were demonstrated to capture and enrich the target DNA in the hybridization...
Ekta G Ahuja et al.
Acta crystallographica. Section D, Biological crystallography, 60(Pt 6), 1129-1131 (2004-05-26)
Phenazines are broad-spectrum antibiotic metabolites produced by organisms such as Pseudomonas and Streptomyces. Phenazines have been shown to enhance microbial competitiveness and the pathogenic potential of the organisms that synthesize them. PhzA (163 residues, approximate molecular weight 18.7 kDa) is...
Kefang Xie et al.
Acta crystallographica. Section D, Biological crystallography, 61(Pt 10), 1386-1394 (2005-10-06)
The NNA7 Fab antibody fragment recognizes the human N-type blood-group antigen comprised of the N-terminal glycopeptide of glycophorin A (GPA). A mutant form of this Fab fragment, NNA7-G91S, exhibits markedly reduced antigen binding. To provide insight into how these Fab...
Susann K J Ludwig et al.
Analytical and bioanalytical chemistry, 406(27), 6857-6866 (2014-06-29)
Current contaminant and residue monitoring throughout the food chain is based on sampling, transport, administration, and analysis in specialized control laboratories. This is a highly inefficient and costly process since typically more than 99% of the samples are found to...
Christian Engelbrekt et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 11(13), 2844-2853 (2010-08-18)
Monodisperse platinum nanoparticles (PtNPs) were synthesized by a green recipe. Glucose serves as a reducing agent and starch as a stabilization agent to protect the freshly formed PtNP cores in buffered aqueous solutions. Among the ten buffers studied, 2-(N-morpholino)ethanesulfonic acid...
Pasi S Vuorinen et al.
Journal of chromatography. A, 990(1-2), 45-52 (2003-04-11)
A contactless conductivity detector integrated into the capillary cassette of Agilent (3D)CE equipment is described. The detector is user-friendly, compact and easily modified. The UV detector of the (3D)CE equipment is available parallel with the contactless conductivity detector increasing the...
M Mirazul Islam et al.
Acta biomaterialia, 12, 70-80 (2014-12-03)
The implant-host interface is a critical element in guiding tissue or organ regeneration. We previously developed hydrogels comprising interpenetrating networks of recombinant human collagen type III and 2-methacryloyloxyethyl phosphorylcholine (RHCIII-MPC) as substitutes for the corneal extracellular matrix that promote endogenous...
Tomoya Narawa et al.
Biological & pharmaceutical bulletin, 38(4), 545-551 (2015-04-04)
The stereoselective transport of methotrexate (L-amethopterin, L-MTX) and its enantiomer (D-amethopterin, D-MTX) by the rat proton-coupled folate transporter (rPCFT) were examined using rPCFT-expressing HEK293 cells. The initial rate of uptake of [3H]-L-MTX by the rPCFT followed Michaelis-Menten kinetics, with a...
Madeline Wong et al.
Biochemistry, 52(37), 6548-6558 (2013-09-03)
To date, little work has been conducted on the relationship between solute and buffer molecules and conformational exchange motion in enzymes. This study uses solution NMR to examine the effects of phosphate, sulfate, and acetate in comparison to MES- and...
Nagaraju Anreddy et al.
Oncotarget, 6(36), 39276-39291 (2015-10-31)
ATP-binding cassette subfamily G member 2 (ABCG2) is a member of the ABC transporter superfamily proteins, which has been implicated in the development of multidrug resistance (MDR) in cancer, apart from its physiological role to remove toxic substances out of...
M De Block
Plant physiology, 93(3), 1110-1116 (1990-07-01)
Tissue culture conditions and transformation have been established for both aspen and poplar. The use of previously described culture conditions resulted in shoot tip necrosis in the shoot cultures and necrosis of stem and leaf explants. Shoot tip necrosis could...
Didem Rodoplu et al.
Current pharmaceutical design, 21(37), 5389-5400 (2015-09-18)
Magnetic nanoparticles are considered as the ideal substrate to selectively isolate target molecules or organisms from sample solutions in a wide variety of applications including bioassays, bioimaging and environmental chemistry. The broad array of these applications in fields requires the...
Elisabet Fuguet et al.
Electrophoresis, 29(13), 2841-2851 (2008-06-12)
The performance of the most common and also some other less common CE buffers has been tested for the pKa determination of several types of compounds (pyridine, amines, and phenols). The selected buffers cover a pH ranging from 3.7 to...
Good NE et al.
Biochemistry, 5, 467-477 (1966)
Padmavati Venkataraman et al.
The Journal of biological chemistry, 280(22), 21463-21472 (2005-03-24)
The influenza virus M2 proton-selective ion channel activity facilitates virus uncoating, a process that occurs in the acidic environment of the endosome. The M2 channel causes acidification of the interior of the virus particle, which results in viral protein-protein dissociation....
Cecilia Gelfi et al.
Electrophoresis, 23(10), 1517-1523 (2002-07-13)
A large number of point mutations in the p53 gene have been detected by capillary zone electrophoresis via single-strand conformation polymorphism (SSCP) analysis. A much improved detection sensitivity was obtained via the following modifications in running conditions: use of low-viscosity...
Taras P Pasternak et al.
Plant physiology, 129(4), 1807-1819 (2002-08-15)
Culturing leaf protoplast-derived cells of the embryogenic alfalfa (Medicago sativa subsp. varia A2) genotype in the presence of low (1 microM) or high (10 microM) 2, 4-dichlorophenoxyacetic acid (2,4-D) concentrations results in different cell types. Cells exposed to high 2,4-D...
Hydrogen ion buffers for biological research.
N E Good et al.
Biochemistry, 5(2), 467-477 (1966-02-01)
Armando S Tasistro et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 45(6), 572-577 (2010-07-28)
Deionized water is routinely used as an extractant to determine soluble phosphorus (P) in broiler litter, but under N.E. Georgia conditions this technique may underestimate the hazard of P loss in runoff because the alkalinity of the broiler litter-water suspension...
Seyed-Fakhreddin Torabi et al.
Journal of molecular evolution, 81(5-6), 225-234 (2015-11-19)
We report an investigation of the functional relationship between two independently selected RNA-cleaving DNAzymes, NaA43, and Ce13, through in vitro selection. The NaA43 DNAzyme was obtained through a combination of gel-based and column-based in vitro selection in the presence of...
Corinne Appia-Ayme et al.
PloS one, 6(8), e23713-e23713 (2011-09-03)
The RpoE and CpxR regulated envelope stress responses are extremely important for Salmonella Typhimurium to cause infection in a range of hosts. Until now the role for BaeSR in both the Salmonella Typhimurium response to stress and its contribution to...
Tao Zhang et al.
Fungal genetics and biology : FG & B, 81, 73-81 (2015-06-09)
The mechanisms of cold adaptation by fungi remain unknown. This topic is of high interest due to the emergence of white-nose syndrome (WNS), a skin infection of hibernating bats caused by Pseudogymnoascus destructans (Pd). Recent studies indicated that apart from...
D.E. Parfitt
Sci. Hortic., 36, 157-157 (1988)
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