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61 results

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Page 1
Softness of hydrated salt crystals under deliquescence.
Wijnhorst R, Demmenie M, Jambon-Puillet E, Ariese F, Bonn D, Shahidzadeh N. Wijnhorst R, et al. Nat Commun. 2023 Feb 25;14(1):1090. doi: 10.1038/s41467-023-36834-0. Nat Commun. 2023. PMID: 36841912 Free PMC article.
Here we show that during deliquescence, the abundant salt sodium sulfate decahydrate, mirabilite (Na(2)SO(4).10H(2)O), behaves differently than anhydrous salts. Using various microscopy techniques combined with Raman spectroscopy, we show that mirabilite crystals not only …
Here we show that during deliquescence, the abundant salt sodium sulfate decahydrate, mirabilite (Na(2)SO(4).10H(2)O), behaves differently t …
Chemical and structural analysis of gallstones from the Indian subcontinent.
Ramana Ramya J, Thanigai Arul K, Epple M, Giebel U, Guendel-Graber J, Jayanthi V, Sharma M, Rela M, Narayana Kalkura S. Ramana Ramya J, et al. Mater Sci Eng C Mater Biol Appl. 2017 Sep 1;78:878-885. doi: 10.1016/j.msec.2017.04.004. Epub 2017 Apr 11. Mater Sci Eng C Mater Biol Appl. 2017. PMID: 28576062
The stones from north Indian were predominantly consisting of cholesterol monohydrate and anhydrous cholesterol which was confirmed by XRD analysis. FTIR spectroscopy confirmed the presence of cholesterol and calcium bilirubinate in the south Indian gallstones. EDX spectro …
The stones from north Indian were predominantly consisting of cholesterol monohydrate and anhydrous cholesterol which was confirmed b …
Contribution of modified P-enriched biochar on pH buffering capacity of acidic soil.
Arwenyo B, Varco JJ, Dygert A, Brown S, Pittman CU, Mlsna T. Arwenyo B, et al. J Environ Manage. 2023 Aug 1;339:117863. doi: 10.1016/j.jenvman.2023.117863. Epub 2023 Apr 18. J Environ Manage. 2023. PMID: 37080104
These three P-enriched biochars, were prepared by treating Douglas fir biochar (DFB), respectively, with: 1) anhydrous calcium chloride (CaCl(2)) and potassium phosphate monobasic (KH(2)PO(4)), 2) calcium carbonate (CaCO(3)) and diammonium phosphate {(NH(4))(2)HPO(4 …
These three P-enriched biochars, were prepared by treating Douglas fir biochar (DFB), respectively, with: 1) anhydrous calcium chl …
Syntheses ofγ-fluoro-α-amino acids.
Haufe G, Kröger S. Haufe G, et al. Amino Acids. 1996 Sep;11(3-4):409-24. doi: 10.1007/BF00807945. Amino Acids. 1996. PMID: 24178725
Optically activegamma-fluoro-alpha-amino acids were synthesized alternatively by phase transfer catalysis with N-benzyl-cinchonium chloride or using an auxiliary-directed asymmetric alkylation of the imine derived from (R)-(+)-camphor or (R)-(+)-2-hydroxypinan-3-one. These …
Optically activegamma-fluoro-alpha-amino acids were synthesized alternatively by phase transfer catalysis with N-benzyl-cinchonium chlori …
Rapid Determination of 17 Phthalate Esters in Capsanthin by QuEChERS Coupled with Gas Chromatography-Mass Spectrometry.
Niu Y, Gao W, Li H, Zhang J, Lian Y. Niu Y, et al. Anal Sci. 2020 Apr 10;36(4):485-490. doi: 10.2116/analsci.19P421. Epub 2020 Jan 3. Anal Sci. 2020. PMID: 31904006 Free article.
Capsanthin samples were extracted with acetonitrile, and then sodium chloride and anhydrous magnesium sulfate were added for salting out. ...
Capsanthin samples were extracted with acetonitrile, and then sodium chloride and anhydrous magnesium sulfate were adde …
Harvesting Water from Air: Using Anhydrous Salt with Sunlight.
Li R, Shi Y, Shi L, Alsaedi M, Wang P. Li R, et al. Environ Sci Technol. 2018 May 1;52(9):5398-5406. doi: 10.1021/acs.est.7b06373. Epub 2018 Apr 11. Environ Sci Technol. 2018. PMID: 29608281 Free article.
Atmospheric water is an abundant alternative water resource, equivalent to 6 times the water in all rivers on Earth. This work screens 14 common anhydrous and hydrated salt couples in terms of their physical and chemical stability, water vapor harvesting, and release capac …
Atmospheric water is an abundant alternative water resource, equivalent to 6 times the water in all rivers on Earth. This work screens 14 co …
[Simultaneous Determination of Pesticide Residues in Brown Rice Using GC-MS/MS and LC-MS/MS].
Kokaji Y, Tomizawa S, Kamijo K, Nakajima T, Yamamoto K, Saito Y, Takada T, Shiradoh H, Ohsawa Y, Oyama A, Noguchi M, Yokoyama T, Sasamoto T. Kokaji Y, et al. Shokuhin Eiseigaku Zasshi. 2023;64(6):246-252. doi: 10.3358/shokueishi.64.246. Shokuhin Eiseigaku Zasshi. 2023. PMID: 38171897 Free article. Japanese.
In this method, we examined the desirable amount of sodium chloride required for salting out and the SPE cartridge required for clean-up. Pesticide residues from the sample were extracted with acetonitrile using a homogenizer and mixed with salts including anhydrous …
In this method, we examined the desirable amount of sodium chloride required for salting out and the SPE cartridge required for clean …
Simultaneous Determination of Neonicotinoid and Carbamate Pesticides in Freeze-Dried Cabbage by Modified QuEChERS and Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry.
Yang B, Wang S, Ma W, Li G, Tu M, Ma Z, Zhang Q, Li H, Li X. Yang B, et al. Foods. 2023 Feb 6;12(4):699. doi: 10.3390/foods12040699. Foods. 2023. PMID: 36832774 Free PMC article.
Herein, acetonitrile/water (v/v = 2:1) was selected in the extraction step. Meanwhile, 4 g anhydrous magnesium sulfate and 1 g sodium chloride were applied to the partitioning step. ...
Herein, acetonitrile/water (v/v = 2:1) was selected in the extraction step. Meanwhile, 4 g anhydrous magnesium sulfate and 1 g …
Establishment of Residual Methods for Matrine in Quinoa Plants and Soil and the Effect on Soil Bacterial Community and Composition.
Hui X, Chen H, Shen S, Zhi H, Li W. Hui X, et al. Foods. 2023 Mar 21;12(6):1337. doi: 10.3390/foods12061337. Foods. 2023. PMID: 36981263 Free PMC article.
Matrine from soil, quinoa roots, stems, leaves and seeds was extracted with 25% ammonia, 20 mL acetonitrile/methanol, salted with sodium chloride (NaCl) and purified with anhydrous magnesium sulfate (MgSO(4)), N-propyl ethylenediamine (PSA) and graphitized ca …
Matrine from soil, quinoa roots, stems, leaves and seeds was extracted with 25% ammonia, 20 mL acetonitrile/methanol, salted with sodium …
Analysis of 19 PCB congeners in catfish tissue using a modified QuEChERS method with GC-MS/MS.
Chamkasem N, Lee S, Harmon T. Chamkasem N, et al. Food Chem. 2016 Feb 1;192:900-6. doi: 10.1016/j.foodchem.2015.07.088. Epub 2015 Jul 21. Food Chem. 2016. PMID: 26304427
A modified QuEChERS method employing high solvent to sample ratio 10:1 was used to improve the extraction recovery of 19 PCB congeners. After salting out by shaking with anhydrous magnesium sulfate and sodium chloride, 1 mL of acetonitrile extract was pipette …
A modified QuEChERS method employing high solvent to sample ratio 10:1 was used to improve the extraction recovery of 19 PCB congeners. Afte …
61 results