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71539

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Héctor Torres-Gómez et al.
Bioorganic & medicinal chemistry, 23(15), 4277-4285 (2015-07-07)
Amantadine (1) exerts its anti-Parkinson effects by inhibition of the NMDA associated cation channel and its antiviral activity by inhibition of the M2 protein channel of influenza A viruses. Herein the synthesis, NMDA receptor affinity and anti-influenza activity of analogous
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)
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
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
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
Microbiology. An enzymatic route to H2 storage.
Inês A C Pereira
Science (New York, N.Y.), 342(6164), 1329-1330 (2013-12-18)
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
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
Khushbu K Modi et al.
Neurochemical research, 40(11), 2333-2347 (2015-09-25)
Ciliary neurotrophic factor (CNTF) is a promyelinating trophic factor that plays an important role in multiple sclerosis (MS). However, mechanisms by which CNTF expression could be increased in the brain are poorly understood. Recently we have discovered anti-inflammatory and immunomodulatory
Amani Taamalli et al.
Phytochemical analysis : PCA, 26(5), 320-330 (2015-05-20)
There has been increasing interest dedicated to the phenolic compounds with a view to their antioxidant and healthy properties. Recent studies have focused on plants from the Lamiaceae family with special interest in phenolic compounds antioxidant potential. The metabolite profile
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
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
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
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
Qian Zhao et al.
Journal of inorganic biochemistry, 149, 39-44 (2015-05-30)
The insulin-mimetic and anti-diabetic properties of vanadium and related compounds have been well documented both in vitro and in vivo. However, the molecular basis of the link between vanadium and the insulin signaling pathway in diabetes mellitus is not fully
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
Stefano Fogal et al.
Applied microbiology and biotechnology, 99(22), 9541-9554 (2015-06-25)
Formate dehydrogenases (FDHs) are considered particularly useful enzymes in biocatalysis when the regeneration of the cofactor NAD(P)H is required, that is, in chiral synthesis with dehydrogenases. Their utilization is however limited to the recycling of NAD(+), since all (apart one)
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
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
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
Jae Young Choi et al.
Biochemical and biophysical research communications, 460(4), 957-963 (2015-04-04)
Inflammatory caspases, such as caspase-1, which is critical for the innate immune response, are activated upon the formation of a molecular complex called the inflammasome. The inflammasome is composed of three proteins, the Nod-like receptor (NLRP, NLRC or AIM2), apoptosis
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
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
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
An efficient CoAuPd/C catalyst for hydrogen generation from formic acid at room temperature.
Zhi-Li Wang et al.
Angewandte Chemie (International ed. in English), 52(16), 4406-4409 (2013-03-21)
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
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
Isabel Borrás-Linares et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 80, 215-222 (2015-03-25)
Rosemary extracts have exhibited potential cytostatic or cytotoxic effects in several cancer cell models but their bioactive compounds are yet to be discovered. In this work, the anticancer activity of a rosemary-leaf extract and its fractions were assayed to identify
Hema Ramsurn et al.
Bioresource technology, 143, 575-583 (2013-07-10)
Switchgrass was liquefied in supercritical water (SCW) using Ca(HCOO)2 as an in-situ source of hydrogen to enhance deoxygenation and the quality of the biocrude obtained. In SCW, Ca(HCOO)2 produces hydrogen via decomposition and hydrolysis reactions, and simultaneously switchgrass hydrolyzes to
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
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