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Showing 1 to 12 of 493 entries
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Effect of Side Chain Functional Group on Interactions in Ionic Liquid Systems: Insights from Infinite Dilution Thermodynamic Data.

The journal of physical chemistry. B

Paduszyński K, Królikowska M.
PMID: 28976771
J Phys Chem B. 2017 Nov 02;121(43):10133-10145. doi: 10.1021/acs.jpcb.7b08797. Epub 2017 Oct 19.

Measurements of infinite dilution activity coefficients of 48 molecular solutes (including alkanes, alkenes, alkynes, aromatics, ethers, alcohols, water, ketones, pyridine, thiophene, acetonitrile, and 1-nitropropane) in two ionic liquids (ILs), namely, 1-(2-hydroxyethyl)-3-methylimidazolium dicyanamide and 1-(2-chloroethyl)-3-methylimidazolium dicyanamide, are reported in the...

Online analysis of H2S and SO2 via advanced mid-infrared gas sensors.

Analytical chemistry

Petruci JF, Wilk A, Cardoso AA, Mizaikoff B.
PMID: 26369419
Anal Chem. 2015 Oct 06;87(19):9605-11. doi: 10.1021/acs.analchem.5b02730.

Volatile sulfur compounds (VSCs) are among the most prevalent emitted pollutants in urban and rural atmospheres. Mainly because of the versatility of sulfur regarding its oxidation state (2- to 6+), VSCs are present in a wide variety of redox-environments,...

Tetrathionate and Elemental Sulfur Shape the Isotope Composition of Sulfate in Acid Mine Drainage.

Frontiers in microbiology

Balci N, Brunner B, Turchyn AV.
PMID: 28861071
Front Microbiol. 2017 Aug 17;8:1564. doi: 10.3389/fmicb.2017.01564. eCollection 2017.

Sulfur compounds in intermediate valence states, for example elemental sulfur, thiosulfate, and tetrathionate, are important players in the biogeochemical sulfur cycle. However, key understanding about the pathways of oxidation involving mixed-valance state sulfur species is still missing. Here we...

Erratum to “Proteomic analysis of differential protein expression in Acidithiobacillus ferrooxidans cultivated in high potassium concentration” [Microbiol. Res. 168 (7) (2013) 455–460].

Microbiological research

Ouyang J, Guo W, Li B, Gu L, Zhang H, Xinhua Chen H.
PMID: 27062771
Microbiol Res. 2016 Jan;182:163-8. doi: 10.1016/j.micres.2015.02.004.

Acidithiobacillus ferrooxidans is a chemolithoautotrophic acidophile that oxidizes ferrous iron or sulfur compounds to obtain energy in the presence of various ions. To investigate the potassium ion response of A. ferrooxidans, we conducted a proteomics analysis. We identified eight...

Draft Genome Sequence of the Extremophile Acidithiobacillus thiooxidans A01, Isolated from the Wastewater of a Coal Dump.

Genome announcements

Yin H, Zhang X, Liang Y, Xiao Y, Niu J, Liu X.
PMID: 24699951
Genome Announc. 2014 Apr 03;2(2). doi: 10.1128/genomeA.00222-14.

The draft genome of Acidithiobacillus thiooxidans A01 contains 3,820,158 bp, with a G+C content of 53.08% and 3,660 predicted coding sequences (CDSs). The bacterium contains a series of specific genes involved in the oxidation of elemental sulfur and reduced...

Petroleum crude oil analysis using low-temperature plasma mass spectrometry.

Rapid communications in mass spectrometry : RCM

Benassi M, Berisha A, Romão W, Babayev E, Römpp A, Spengler B.
PMID: 23495029
Rapid Commun Mass Spectrom. 2013 Apr 15;27(7):825-34. doi: 10.1002/rcm.6518.

RATIONALE: The analysis of crude oil is a challenging task due to sample complexity. In mass spectrometry, several ionization techniques can be used to perform this task. Herein, we report the use of an atmospheric pressure low-temperature plasma (LTP)...

Identification of volatile components of bobcat (Lynx rufus) urine.

Journal of chemical ecology

Mattina MJ, Pignatello JJ, Swihart RK.
PMID: 24258737
J Chem Ecol. 1991 Feb;17(2):451-62. doi: 10.1007/BF00994344.

Bobcat (Lynx rufus) urine reduces scent-marking activity of woodchucks (Marmota monax) and feeding activity of snowshoe hares (Lepus americanus) and deer (Odocoileus virginianus, O. hemionus). In order to identify the semiochemicals responsible for these behavior modifications, a dichloromethane extract...

Sulfurized metal borohydrides.

Dalton transactions (Cambridge, England : 2003)

Paskevicius M, Richter B, Polański M, Thompson SP, Jensen TR.
PMID: 26615897
Dalton Trans. 2016 Jan 14;45(2):639-45. doi: 10.1039/c5dt04304b.

The reactions between metal borohydrides and elemental sulfur are investigated in situ during thermal treatment and are found to be highly exothermic (up to 700 J g(-1)). These reactions are exceptionally rapid, occurring below 200 °C, also resulting in...

Detection and measurement of oral malodor in chronic periodontitis patients and its correlation with levels of select oral anaerobes in subgingival plaque.

Contemporary clinical dentistry

Grover HS, Blaggana A, Jain Y, Saini N.
PMID: 26604572
Contemp Clin Dent. 2015 Sep;6:S181-7. doi: 10.4103/0976-237X.166825.

INTRODUCTION: Oral malodor is generally ascribable to oral microbial putrefaction generating malodorous volatile sulfur compounds. The aim of the present study is to correlate organoleptic recordings with a small handheld portable volatile sulfide monitor and periodontal clinical parameters and...

Basis Set Requirements for Sulfur Compounds in Density Functional Theory:  a Comparison between Correlation-Consistent, Polarized-Consistent, and Pople-Type Basis Sets.

Journal of chemical theory and computation

Denis PA.
PMID: 26641906
J Chem Theory Comput. 2005 Sep;1(5):900-7. doi: 10.1021/ct0500702.

We have investigated the SX (X = first- or second-row atom), SO2, and SO3 molecules employing the correlation-consistent (cc), the recently developed polarization-consistent (pc), and three Pople-type basis sets, in conjunction with the B3LYP functional. The results confirmed that...

Frequency-Dependent Polarizabilities of Amino Acids as Calculated by an Electrostatic Interaction Model.

Journal of chemical theory and computation

Hansen T, Jensen L, Åstrand PO, Mikkelsen KV.
PMID: 26641684
J Chem Theory Comput. 2005 Jul;1(4):626-33. doi: 10.1021/ct050053c.

The frequency-dependent polarizability of the 20 essential amino acids has been calculated by an electrostatic interaction model where an Unsöld-type of model has been adopted for the frequency dependence. The interaction model has previously been parametrized from Hartree-Fock calculations...

Thin layer convective air drying of wild edible plant (Allium roseum) leaves: experimental kinetics, modeling and quality.

Journal of food science and technology

Ben Haj Said L, Najjaa H, Farhat A, Neffati M, Bellagha S.
PMID: 26028758
J Food Sci Technol. 2015 Jun;52(6):3739-49. doi: 10.1007/s13197-014-1435-2. Epub 2014 Jun 13.

The present study deals with the valorization of an edible spontaneous plant of the Tunisian arid areas: Allium roseum. This plant is traditionally used for therapeutic and culinary uses. Thin-layer drying behavior of Allium roseum leaves was investigated at...

Showing 1 to 12 of 493 entries