247596

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Coordination of FocA and pyruvate formate-lyase synthesis in Escherichia coli demonstrates preferential translocation of formate over other mixed-acid fermentation products.

Lydia Beyer et al.

Journal of bacteriology, 195(7), 1428-1435 (2013-01-22)

Enterobacteria such as Escherichia coli generate formate, lactate, acetate, and succinate as major acidic fermentation products. Accumulation of these products in the cytoplasm would lead to uncoupling of the membrane potential, and therefore they must be either metabolized rapidly or

Determination of polyphenolic compounds in Cirsium palustre (L.) extracts by high performance liquid chromatography with chemiluminescence detection.

Edyta Nalewajko-Sieliwoniuk et al.

Talanta, 133, 38-44 (2014-12-02)

The first method for the simultaneous determination of polyphenolic antioxidants in extracts from leaves of Cirsium palustre based on high performance liquid chromatography combined with flow injection chemiluminescence detection (HPLC-FI-CL) has been developed. The extracts were prepared by using methanol

Four products from Escherichia coli pseudogenes increase hydrogen production.

Mohd Zulkhairi Mohd Yusoff et al.

Biochemical and biophysical research communications, 439(4), 576-579 (2013-09-13)

Pseudogenes are considered to be nonfunctional genes that lack a physiological role. By screening 3985 Escherichia coli mutants using chemochromic membranes, we found four pseudogenes involved in hydrogen metabolism. Knockouts of pseudogenes ydfW and ypdJ had a defective hydrogen phenotype

The Crystal Structure of Sodium Formate, NaHCO₂¹.

Zachariasen WH.

Journal of the American Chemical Society, 62(5), 1011-1013 (1940)

Bio-inspired catalytic imine reduction by rhodium complexes with tethered Hantzsch pyridinium groups: evidence for direct hydride transfer from dihydropyridine to metal-activated substrate.

Alex McSkimming et al.

Angewandte Chemie (International ed. in English), 52(12), 3411-3416 (2013-02-27)

Microbiology. An enzymatic route to H2 storage.

Inês A C Pereira

Science (New York, N.Y.), 342(6164), 1329-1330 (2013-12-18)

Effect of acidic condition on the metabolic regulation of Escherichia coli and its phoB mutant.

Lolo Wal Marzan et al.

Archives of microbiology, 195(3), 161-171 (2013-01-01)

Effect of acidic condition on the fermentation characteristics was investigated by the continuous culture of Escherichia coli. In accordance with down-regulation of crp gene transcript level as well as up-regulation of arcA, the expressions of the TCA cycle genes were

Direct and reversible hydrogenation of CO2 to formate by a bacterial carbon dioxide reductase.

K Schuchmann et al.

Science (New York, N.Y.), 342(6164), 1382-1385 (2013-12-18)

Storage and transportation of hydrogen is a major obstacle for its use as a fuel. An increasingly considered alternative for the direct handling of hydrogen is to use carbon dioxide (CO2) as an intermediate storage material. However, CO2 is thermodynamically

Sodium phenylbutyrate enhances astrocytic neurotrophin synthesis via protein kinase C (PKC)-mediated activation of cAMP-response element-binding protein (CREB): implications for Alzheimer disease therapy.

Grant T Corbett et al.

The Journal of biological chemistry, 288(12), 8299-8312 (2013-02-14)

Neurotrophins, such as brain-derived neurotrophic factor (BDNF) and neurotrophin-3 (NT-3), are believed to be genuine molecular mediators of neuronal growth and homeostatic synapse activity. However, levels of these neurotrophic factors decrease in different brain regions of patients with Alzheimer disease

Monoclonal antibodies selective for α-synuclein oligomers/protofibrils recognize brain pathology in Lewy body disorders and α-synuclein transgenic mice with the disease-causing A30P mutation.

Therese Fagerqvist et al.

Journal of neurochemistry, 126(1), 131-144 (2013-02-01)

Inclusions of intraneuronal alpha-synuclein (α-synuclein) can be detected in brains of patients with Parkinson's disease and dementia with Lewy bodies. The aggregation of α-synuclein is a central feature of the disease pathogenesis. Among the different α-synuclein species, large oligomers/protofibrils have

Detoxification of biomass hydrolysates with nucleophilic amino acids enhances alcoholic fermentation.

Rui Xie et al.

Bioresource technology, 186, 106-113 (2015-03-31)

Carbonyl compounds generated in biomass pretreatment hinder the biochemical conversion of biomass hydrolysates to biofuels. A novel approach of detoxifying hydrolysates with amino acids for ethanol production was developed. Among the 20 amino acids assessed for their detoxification efficiency and

Density functional theory study on the adsorption and decomposition of the formic acid catalyzed by highly active mushroom-like Au@Pd@Pt tri-metallic nanoparticles.

Sai Duan et al.

Physical chemistry chemical physics : PCCP, 15(13), 4625-4633 (2013-02-21)

Local structures and adsorption energies of a formic acid molecule and its decomposed intermediates (H, O, OH, CO, HCOO, and COOH) on highly electrocatalytically active mushroom-like Au-core@Pd-shell@Pt-cluster nanoparticles with two atomic layers of the Pd shell and stoichiometric Pt coverage

Intermittent hemodialysis is superior to continuous veno-venous hemodialysis/hemodiafiltration to eliminate methanol and formate during treatment for methanol poisoning.

Sergey Zakharov et al.

Kidney international, 86(1), 199-207 (2014-03-14)

During an outbreak of methanol poisonings in the Czech Republic in 2012, we were able to study methanol and formate elimination half-lives during intermittent hemodialysis (IHD) and continuous veno-venous hemodialysis/hemodiafiltration (CVVHD/HDF) and the relative impact of dialysate and blood flow

Re-evaluation of the near infrared spectra of mitochondrial cytochrome c oxidase: Implications for non invasive in vivo monitoring of tissues.

Maria G Mason et al.

Biochimica et biophysica acta, 1837(11), 1882-1891 (2014-09-02)

We re-determined the near infrared (NIR) spectral signatures (650-980nm) of the different cytochrome c oxidase redox centres, in the process separating them into their component species. We confirm that the primary contributor to the oxidase NIR spectrum between 700 and

Bionanowhiskers from jute: preparation and characterization.

Nibedita Kasyapi et al.

Carbohydrate polymers, 92(2), 1116-1123 (2013-02-13)

Bionanowhiskers were extracted from jute by acid hydrolysis. At first cellulose microfibrils were formed by alkali treatment. Addition of an acid to the microfibrils triggered the formation of cellulose nanowhiskers. These were characterized by using different techniques viz. Fourier transform

Immunohistochemical characterization of novel monoclonal antibodies against the N-terminus of amyloid β-peptide.

Nicolaas A Verwey et al.

Amyloid : the international journal of experimental and clinical investigation : the official journal of the International Society of Amyloidosis, 20(3), 179-187 (2013-07-09)

Abstract Amyloid β-peptide (Aβ) is a key molecule in Alzheimer's disease (AD). Reliable immunohistochemical (IHC) methods to detect Aβ and Aβ-associated factors (AAF) in brain specimens are needed to determine their role in AD pathophysiology. Formic acid (FA) pre-treatment, which

Direct analysis of formate in human plasma, serum and whole blood by in-line coupling of microdialysis to capillary electrophoresis for rapid diagnosis of methanol poisoning.

Pavel Kubáň et al.

Analytica chimica acta, 768, 82-89 (2013-03-12)

A simple method using direct injection of human blood samples and quantitative analysis of formate was developed for rapid diagnosis of methanol poisoning. A sample pretreatment device including a 500Da molecular weight cut-off dialysis membrane was in-line coupled to capillary

Photocatalytic reduction of nitrate using titanium dioxide for regeneration of ion exchange brine.

Ting Yang et al.

Water research, 47(3), 1299-1307 (2013-01-02)

Nitrate is often removed from groundwater by ion exchange (IX) before its use as drinking water. Accumulation of nitrate in IX brine reduces the efficiency of IX regeneration and the useful life of the regeneration brine. For the first time

Carbonic anhydrase inhibitors. Interaction of isozymes I, II, IV, V, and IX with carboxylates.

Alessio Innocenti et al.

Bioorganic & medicinal chemistry letters, 15(3), 573-578 (2005-01-25)

A detailed inhibition study of five carbonic anhydrase (CA, EC 4.2.1.1) isozymes with carboxylates including aliphatic (formate, acetate), dicarboxylic (oxalate, malonate), hydroxy/keto acids (l-lactate, l-malate, pyruvate), tricarboxylic (citrate), or aromatic (benzoate, tetrafluorobenzoate) representatives, some of which are important intermediates in

Eagleson M.

Concise Encyclopedia Chemistry, 997-997 (1994)

Effects of dietary supplementation with two potassium formate sources on performance of 8- to 22-kg pigs.

J K Htoo et al.

Journal of animal science, 90 Suppl 4, 346-349 (2013-02-13)

Dietary inclusion of salts of organic acids may modulate intestinal microbiota and enhance performance of pigs. Published data on the effects of potassium formate (KF; pH 6.0-8.5) on pig performance are scarce compared with that of potassium diformate (KDF; pH

Determination of buprenorphine, fentanyl and LSD in whole blood by UPLC-MS-MS.

Thomas Berg et al.

Journal of analytical toxicology, 37(3), 159-165 (2013-02-21)

A sensitive ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS-MS) method has been developed and validated for the quantification of buprenorphine, fentanyl and lysergic acid diethylamide (LSD) in whole blood. Sample preparation was performed by liquid-liquid extraction (LLE) with methyl tert-butyl ether.

Human ficolin-2 recognition versatility extended: an update on the binding of ficolin-2 to sulfated/phosphated carbohydrates.

Emmanuelle Laffly et al.

FEBS letters, 588(24), 4694-4700 (2014-12-03)

Ficolin-2 has been reported to bind to DNA and heparin, but the mechanism involved has not been thoroughly investigated. X-ray studies of the ficolin-2 fibrinogen-like domain in complex with several new ligands now show that sulfate and phosphate groups are

Structural characterization of a protective epitope spanning A(H1N1)pdm09 influenza virus neuraminidase monomers.

Hongquan Wan et al.

Nature communications, 6, 6114-6114 (2015-02-11)

A(H1N1)pdm09 influenza A viruses predominated in the 2013-2014 USA influenza season, and although most of these viruses remain sensitive to Food and Drug Administration-approved neuraminidase (NA) inhibitors, alternative therapies are needed. Here we show that monoclonal antibody CD6, selected for

Capillary electrophoresis with contactless conductometric detection for rapid screening of formate in blood serum after methanol intoxication.

Petr Kubáň et al.

Journal of chromatography. A, 1281, 142-147 (2013-02-20)

A new method for rapid, direct determination of formate in blood serum samples by capillary electrophoresis with contactless conductometric detection is presented. A selective separation of formate was achieved in approximately 1 min using an electrolyte system comprising 10 mM

Transfer hydrogenation catalysis in cells as a new approach to anticancer drug design.

Joan J Soldevila-Barreda et al.

Nature communications, 6, 6582-6582 (2015-03-21)

Organometallic complexes are effective hydrogenation catalysts for organic reactions. For example, Noyori-type ruthenium complexes catalyse reduction of ketones by transfer of hydride from formate. Here we show that such catalytic reactions can be achieved in cancer cells, offering a new

Structural and functional analysis of three β-glucosidases from bacterium Clostridium cellulovorans, fungus Trichoderma reesei and termite Neotermes koshunensis.

Wen-Yih Jeng et al.

Journal of structural biology, 173(1), 46-56 (2010-08-05)

β-glucosidases (EC 3.2.1.21) cleave β-glucosidic linkages in disaccharide or glucose-substituted molecules and play important roles in fundamental biological processes. β-Glucosidases have been widely used in agricultural, biotechnological, industrial and medical applications. In this study, a high yield expression (70-250 mg/l)

Changes in pH and organic acids in mucilage of Eriophorum angustifolium roots after exposure to elevated concentrations of toxic elements.

M Tariq Javed et al.

Environmental science and pollution research international, 20(3), 1876-1880 (2013-01-01)

The presence of Eriophorum angustifolium in mine tailings of pyrite maintains a neutral pH, despite weathering, thus lowering the release of toxic elements into acid mine drainage water. We investigated if the presence of slightly elevated levels of free toxic

Vitamin C compromises cardiac resuscitability in a rat model of ventricular fibrillation.

Jill Motl et al.

American journal of therapeutics, 21(5), 352-357 (2012-06-21)

Resuscitation from cardiac arrest is partly limited by progressive reduction in left ventricular distensibility, leading to decreased hemodynamic efficacy of cardiopulmonary resuscitation (CPR). Reduction in left ventricular distensibility has been linked to loss of mitochondrial bioenergetic function that can result

Modification of a gas chromatography/atmospheric pressure chemical ionisation time-of-flight mass spectrometer as an alternative to automated atmospheric pressure solids analysis probe.

Peter Stokes et al.

Rapid communications in mass spectrometry : RCM, 28(18), 2024-2030 (2014-08-19)

The atmospheric pressure solids analysis probe (ASAP) has been successfully introduced into laboratories as a routine analytical tool but the technique is labour-intensive and is not easily automated. This paper describes the modifications made to an existing atmospheric pressure gas

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