14853

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Biological reductive dechlorination of tetrachloroethylene and trichloroethylene to ethylene under methanogenic conditions.

D L Freedman et al.

Applied and environmental microbiology, 55(9), 2144-2151 (1989-09-01)

A biological process for remediation of groundwater contaminated with tetrachloroethylene (PCE) and trichloroethylene (TCE) can only be applied if the transformation products are environmentally acceptable. Studies with enrichment cultures of PCE- and TCE-degrading microorganisms provide evidence that, under methanogenic conditions

Acid dissociation constants and pH values for standard "bes" and "tricine" buffer solutions in 30, 40, and 50 mass% dimethyl sulfoxide/water between 25 and -25 degrees C.

R N Roy et al.

Cryobiology, 22(6), 589-600 (1985-12-01)

Information is given concerning two standard buffer solutions suitable as pH references in 30, 40, and 50 mass% dimethyl sulfoxide (DMSO)/H2O mixed solvents at subzero temperatures from -20 to 0 degrees C, with the intention of establishing a pH (designated

Molecular Oxygen Induced in-Gap States in PbS Quantum Dots.

Yingjie Zhang et al.

ACS nano, 9(10), 10445-10452 (2015-09-25)

Artificial solids composed of semiconductor quantum dots (QDs) are being developed for large-area electronic and optoelectronic applications, but these materials often have defect-induced in-gap states (IGS) of unknown chemical origin. Here we performed scanning probe based spectroscopic analysis and density

Acute Thrombogenicity of a Durable Polymer Everolimus-Eluting Stent Relative to Contemporary Drug-Eluting Stents With Biodegradable Polymer Coatings Assessed Ex Vivo in a Swine Shunt Model.

Fumiyuki Otsuka et al.

JACC. Cardiovascular interventions, 8(9), 1248-1260 (2015-08-22)

This study sought to evaluate whether the permanent fluoropolymer-coated Xience Xpedition everolimus-eluting stent (Xience-EES) exhibits lower acute thrombogenicity compared with contemporary drug-eluting stents (DES) with biodegradable polymer coatings in an acute swine shunt model. Previous pre-clinical and clinical experience suggests

Interface Promoted Reversible Mg Insertion in Nanostructured Tin-Antimony Alloys.

Yingwen Cheng et al.

Advanced materials (Deerfield Beach, Fla.), 27(42), 6598-6605 (2015-10-01)

An interface promoted approach is developed for guiding the design of stable and high capacity materials for Mg batteries using SnSb alloys as model materials. Experimental and theoretical studies reveal that the SnSb alloy has exceptionally high reversible capacity (420

Hydrogenotrophic culture enrichment reveals rumen Lachnospiraceae and Ruminococcaceae acetogens and hydrogen-responsive Bacteroidetes from pasture-fed cattle.

Emma J Gagen et al.

FEMS microbiology letters, 362(14) (2015-06-26)

Molecular information suggests that there is a broad diversity of acetogens in the rumen, distinct from any currently isolated acetogens. We combined molecular analysis with enrichment culture techniques to investigate this diversity further. Methane-inhibited, hydrogenotrophic enrichment cultures produced acetate as

Topologically unique heterometallic Cu(II)/Li coordination polymers self-assembled from N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid biobuffer: versatile catalyst precursors for mild hydrocarboxylation of alkanes to carboxylic acids.

Marina V Kirillova et al.

Inorganic chemistry, 51(9), 5224-5234 (2012-04-10)

The facile aqueous medium reactions of copper(II) nitrate with BES biobuffer [(HOCH(2)CH(2))(2)N(CH(2)CH(2)SO(3)H), hereinafter referred as H(3)bes] in the presence of various benzenecarboxylic acids [benzoic (Hba), 3-hydroxybenzoic (Hhba), and 3,5-dihydroxybenzoic (Hdhba) acid] and lithium hydroxide gave rise to the self-assembly generation

Hydrophobic and moisture-stable metal-organic frameworks.

Carlos A Fernandez et al.

Dalton transactions (Cambridge, England : 2003), 44(30), 13490-13497 (2015-05-15)

Metal-organic frameworks (MOFs) have proved to be very attractive for applications including gas storage, separation, sensing and catalysis. In particular, CO(2) separation from flue gas in post-combustion processes is one of the main focuses of research among the scientific community.

Tuning Open-Circuit Voltage in Organic Solar Cells with Molecular Orientation.

Brent Kitchen et al.

ACS applied materials & interfaces, 7(24), 13208-13216 (2015-06-02)

The role of molecular orientation of a polar conjugated polymer in polymer-fullerene organic photovoltaic (OPV) cells is investigated. A planar heterojunction (PHJ) OPV cell composed of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C61-butyric acid methyl ester (PCBM) is used as a model

Reactions of buffers in cyanogen bromide-induced ligations.

Heike Vogel et al.

Nucleosides, nucleotides & nucleic acids, 32(1), 17-27 (2013-01-31)

Rapid, template-directed ligation reactions between a phosphate-terminated oligonucleotide and an unphosphorylated reaction partner may be induced by cyanogen bromide (BrCN). Frequently, however, the reaction is low yielding, and even a large excess of the condensing agent can fail to induce

New Insights into Low-Temperature Oxidation of Propane from Synchrotron Photoionization Mass Spectrometry and Multiscale Informatics Modeling.

Oliver Welz et al.

The journal of physical chemistry. A, 119(28), 7116-7129 (2015-04-11)

Low-temperature propane oxidation was studied at P = 4 Torr and T = 530, 600, and 670 K by time-resolved multiplexed photoionization mass spectrometry (MPIMS), which probes the reactants, intermediates, and products with isomeric selectivity using tunable synchrotron vacuum UV

Examining impulsivity as a moderator of the relationship between body shame and bulimic symptoms in Black and White young women.

M K Higgins et al.

Body image, 14, 39-46 (2015-04-14)

Impulsivity has been linked to bulimic symptomatology in a number of studies; however, few have examined this relationship among Black women. We investigated the correlations between impulsivity and bulimic symptoms, and tested impulsivity as a moderator of the body shame/bulimic

Conservation of phosphorylation state of cardiac phosphofructokinase during in vitro hypothermic hypoxia.

R P Pulis et al.

American journal of physiology. Heart and circulatory physiology, 279(5), H2151-H2158 (2000-10-25)

We investigated the metabolic effects of buffering agents alpha-amino-4-imidazole-propionic acid (Histidine), N, N-bis(2-hydroxyethyl)glycine (bicine), N, N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid (BES) on anaerobic energy production (via glycolysis) and conservation of key regulatory enzyme activity, and phosphofructokinase (PFK) throughout prolonged hypothermic hypoxia in porcine

Early Phase Arterial Reaction Following Drug-Eluting and Bare-Metal Stent Implantation in Patients With ST-Segment Elevation Myocardial Infarction.

Ryo Nishio et al.

International heart journal, 56(4), 389-394 (2015-06-30)

The early phase arterial reaction after implantation of second-generation drug-eluting stents (2nd DES) and baremetal stents (BMS) in patients with ST-segment elevation myocardial infarction (STEMI) remains unclear.The MECHANISM pilot study is a multi-center prospective registry that enrolled 24 STEMI patients

Novel Approaches in Evaluating and Predicting the Potential Benefit of Middle Cerebral Artery Angioplasty & Stenting.

Wenjie Zi et al.

Journal of neuroimaging : official journal of the American Society of Neuroimaging, 25(4), 620-625 (2014-10-14)

Our aim was to investigate a novel approach to perform preoperative evaluation patients who underwent middle cerebral artery (MCA) percutaneous transluminal angioplasty and stenting (PTAS). Sixty-five patients with symptomatic MCA stenosis of at least >70% who underwent MCA PTAS were

Expression and distribution of aquaporin 8 in rat hepatocytes cold stored 72 hours in modified University of Wisconsin and bes-gluconate-sucrose solutions. Study of their correlation with water content.

G Miszczuk et al.

Cryo letters, 33(1), 75-85 (2012-03-22)

Since few data are availble on the genetic responses to low temperatures, we investigated if cold storage of hepatocytes (0 degree C, mUW or BGS solutions, 72 h) can affect gene expression and/or cellular localization of AQP8 and their correlation

In situ micro-spectroscopic investigation of lignin in poplar cell walls pretreated by maleic acid.

Yining Zeng et al.

Biotechnology for biofuels, 8, 126-126 (2015-08-28)

In higher plant cells, lignin provides necessary physical support for plant growth and resistance to attack by microorganisms. For the same reason, lignin is considered to be a major impediment to the process of deconstructing biomass to simple sugars by

A novel BES-gluconate-sucrose (BGS) solution for cold storage of isolated hepatocytes.

Maria Eugenia Mamprin et al.

Cryo letters, 29(2), 121-133 (2008-06-03)

We have used hepatocyte suspensions to study how hypothermic storage in a modified University of Wisconsin (mUW) solution affects liver cell metabolism and cell membrane properties. At present the UW solution is the gold standard of organ preservation. However it

Determination of electrophoretic mobilities and hydrodynamic radii of three humic substances as a function of pH and ionic strength.

M Hosse et al.

Environmental science & technology, 35(21), 4301-4306 (2001-11-23)

Capillary electrophoresis (CE) and fluorescence correlation spectroscopy (FCS) were employed to determine electrophoretic mobilities and hydrodynamic sizes of three humic substances (IHSS aquatic fulvic acid (FA), IHSS aquatic humic acid (HA), and IHSS peat humic acid (PHA)) as a function

Percutaneous transluminal angioplasty and stenting for severe stenosis of the intracranial extradural internal carotid artery causing transient ischemic attack or minor stroke.

Jun Kyeung Ko et al.

Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences, 21(4), 511-519 (2015-06-13)

The purpose of this study is to assess the technical feasibility and clinical efficacy of percutaneous transluminal angioplasty and stenting (PTAS) for symptomatic stenosis of the intracranial extradural (petrous and cavernous) internal carotid artery (ICA).Review of medical records identified 26

Impact of local endothelial shear stress on neointima and plaque following stent implantation in patients with ST-elevation myocardial infarction: A subgroup-analysis of the COMFORTABLE AMI-IBIS 4 trial.

Christos V Bourantas et al.

International journal of cardiology, 186, 178-185 (2015-04-02)

Numerous studies have demonstrated an association between endothelial shear stress (ESS) and neointimal formation after stent implantation. However, the role of ESS on the composition of neointima and underlying plaque remains unclear. Patients recruited in the Comfortable AMI-IBIS 4 study

Characterization of a defined 2,3,5, 6-tetrachlorobiphenyl-ortho-dechlorinating microbial community by comparative sequence analysis of genes coding for 16S rRNA.

T R Holoman et al.

Applied and environmental microbiology, 64(9), 3359-3367 (1998-09-03)

Defined microbial communities were developed by combining selective enrichment with molecular monitoring of total community genes coding for 16S rRNAs (16S rDNAs) to identify potential polychlorinated biphenyl (PCB)-dechlorinating anaerobes that ortho dechlorinate 2,3, 5,6-tetrachlorobiphenyl. In enrichment cultures that contained a

Comparison of transfection conditions for a lentivirus vector produced in large volumes.

Brian A Karolewski et al.

Human gene therapy, 14(14), 1287-1296 (2003-09-25)

A number of different transfection reagents have been used for lentiviral vector production. We directly compared transfection buffers, DNA purification methods, chemical facilitators, and DNA concentrations to optimize production. The use of N,N-bis (2-hydroxyethyl)-2-aminoethanesulfonic acid (BES), sodium butyrate, and one

Peptide Bioconjugates of Electron-Poor Metallocenes: Synthesis, Characterization, and Anti-Proliferative Activity.

Marcus Maschke et al.

Chembiochem : a European journal of chemical biology, 16(9), 1333-1342 (2015-05-28)

We report the synthesis of metallocene compounds Cp2 M with two different electron-withdrawing substituents on both cyclopentadienyl rings (hexafluoroacetone (HFA) and chlorobenzoyl (1-5); HFA and COOH (6 and 7), M=Fe or Ru). The COOH-containing derivatives were used to synthesize peptide

Dynamic Charge Carrier Trapping in Quantum Dot Field Effect Transistors.

Yingjie Zhang et al.

Nano letters, 15(7), 4657-4663 (2015-06-24)

Noncrystalline semiconductor materials often exhibit hysteresis in charge transport measurements whose mechanism is largely unknown. Here we study the dynamics of charge injection and transport in PbS quantum dot (QD) monolayers in a field effect transistor (FET). Using Kelvin probe

Kinetic analysis of spermine binding to NRD convertase.

E Csuhai et al.

Archives of biochemistry and biophysics, 362(2), 291-300 (1999-02-17)

N-arginine dibasic convertase cleaves polypeptides between paired basic residues containing the sequence Arg-Arg or Arg-Lys. The enzyme contains a large anionic domain, which in the rat enzyme consists of 57 acidic residues out of a stretch of 76 amino acids.

Enhanced Shewanella biofilm promotes bioelectricity generation.

Ting Liu et al.

Biotechnology and bioengineering, 112(10), 2051-2059 (2015-04-23)

Electroactive biofilms play essential roles in determining the power output of microbial fuel cells (MFCs). To engineer the electroactive biofilm formation of Shewanella oneidensis MR-1, a model exoelectrogen, we herein heterologously overexpressed a c-di-GMP biosynthesis gene ydeH in S. oneidensis

High Photoresponsivity and Short Photoresponse Times in Few-Layered WSe2 Transistors.

Nihar R Pradhan et al.

ACS applied materials & interfaces, 7(22), 12080-12088 (2015-05-20)

Here, we report the photoconducting response of field-effect transistors based on three atomic layers of chemical vapor transport grown WSe2 crystals mechanically exfoliated onto SiO2. We find that trilayered WSe2 field-effect transistors, built with the simplest possible architecture, can display

Coronary stent durability and fracture: an independent bench comparison of six contemporary designs using a repetitive bend test.

John A Ormiston et al.

EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology, 10(12), 1449-1455 (2014-11-26)

Stent fracture is important because it may cause adverse events. The interventional cardiologist needs independent data to aid stent selection. Stent designers need data to improve stent design. We used a repetitive bend test to compare durability and fracture for

Investigation of Bismuth Triiodide (BiI3) for Photovoltaic Applications.

Riley E Brandt et al.

The journal of physical chemistry letters, 6(21), 4297-4302 (2015-11-06)

Guided by predictive discovery framework, we investigate bismuth triiodide (BiI3) as a candidate thin-film photovoltaic (PV) absorber. BiI3 was chosen for its optical properties and the potential for "defect-tolerant" charge transport properties, which we test experimentally by measuring optical absorption

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