Results 81 to 90 of about 3,274,216 (342)

Fast High-Resolution pK_a Spectrotitrimetry for Quantification of Surface Functional Groups of Retisols

Soil Systems
Potentiometric titration in a fast and simultaneously high-resolution modality was proposed for the identification and quantification of protolytic groups of variable strength at the surface of primary soil particles.
Natal’ya V. Matveeva, Andrei V. Garmash, Mikhail A. Shishkin, Alexey A. Dymov, Olga B. Rogova, Dmitry S. Volkov, Mikhail A. Proskurnin   +6 more
doaj   +1 more source

Highly efficient separation of actinides from lanthanides by a phenanthroline-derived bis-triazine ligand [PDF]

, 2011
The synthesis, lanthanide complexation, and solvent ex- traction of actinide(III) and lanthanide(III) radiotracers from nitric acid solutions by a phenanthroline-derived quadridentate bis-triazine ligand are described. The ligand separates Am(III) and Cm(
Accorsi G., Ackerman J. J. H., Alexander V., Andreas Wilden, Anet F. A. L., Banik N. L., Baumgärtner F., Baumgärtner F., Benay G., Benay G., Bencini A., Berthet J.- C., Berthet J.-C., Berthet J.-C., Berthet J.-C., Berthet J.-C., Boucher C., Bremner D. H., Bremner D. H., Brinck T., Chandler C. J., Choppin G. R., Choppin G. R., Clore G. M., Cockrell G. M., Coffman D. D., Colette S., Colette S., Colette S., Cordier P. Y., Cumper C. W. N., Dam H. H., Denecke M. A., Desreux J. F., Desreux J. F., Donnay G., Drew M. G. B., Drew M. G. B., Drew M. G. B., Drew M. G. B., Ekberg C., Ekberg C., Fermvik A., Foreman M. R. S., Frank W. Lewis, Gaunt A. J., Geist A., Geoffrey Vidick, Giuseppe Modolo, Grycova L., Hagström I., Hubscher-Bruder V., Hudson M. J., Ibarzo J., Inagaki F., Ionova G., Iveson P. B., Jean F. Desreux, Jean-Pierre Simonin, Jones P., Keizers P. H. J., Kikuchi K., Kolarik Z., Laurence M. Harwood, Lecomte du Noüy P., Lewis F. W., Madic C., Magill J., Magnusson D., Magnusson D., Mathur J. N., McKibben J. M., Michael G. B. Drew, Michael J. Hudson, Michal Sypula, Nilsson M., Nilsson M., Nilsson M., Nouri Bouslimani, Ranganathan R. S., Sammes P. G., Serrano-Purroy D., Simonin J.-P., Simonin J.-P., Simonin J.-P., Sood D. D., Spirlet M. R., Steppert M., Trong-Hung Vu, Trumm S., Yildirim Erbil H., Zong R.   +91 more
core   +1 more source

HIV‐1 establishes immediate latency in T cells expressing the viral Nef protein

FEBS Open Bio, EarlyView.
Nef is a viral protein often omitted from HIV‐1 reporter viruses. Consequently, its role in viral latency is unclear. We developed three novel dual reporter HIV‐1 derivatives that express Nef and allow for detection of latent and productive infection. Using these reporters, we show that Nef does not affect the establishment of immediate viral latency ...
Cindy Lam, Ivan Sadowski
wiley   +1 more source

Titanium Pyrophosphate for Removal of Trivalent Heavy Metals and Actinides Simulated by Retention of Europium

The Scientific World Journal, 2017
This work addresses the synthesis of titanium pyrophosphate, as well as the characterization and evaluation of the sorption process of europium, for removal of trivalent heavy metals and actinides simulate.
Huemantzin Balan Ortiz-Oliveros, Rosa María Flores-Espinosa, Eduardo Ordoñez-Regil, Suilma Marisela Fernández-Valverde   +3 more
doaj   +1 more source

Equilibrium studies of 2,2'-(5-bromo-6-methylpyrimidine-2,4-diyl)bis(azanediyl)dipropanoic acid with some transition-metal ions in aqueous solution

Química Nova, 2014
The stability constants of the 1:1 complexes formed between M2+ (M2+: Mn2+, Ni2+, Cu2+, or Cd2+) and BMADA2- (BMADA: 2,2'-(5-bromo-6-methylpyrimidine-2,4 diyl)bis(azanediyl)dipropanoic acid) were determined by potentiometric pH titration in aqueous ...
Seyed A. A. Sajadi, Ghodsieh Bagherzadeh, Marzieh Khaleghian, Maryam Mirbagheri, Hosein Safaie   +4 more
doaj   +1 more source

The hydrolysis of phosphocreatine and the origin of urinary creatinine [PDF]

, 1947
Shaffer (1), Myers and Fine (2), and Hahn and Meyer (3) adduced evidence that muscle creatine is the precursor of urinary creatinine. This was questioned by Chanutin and Kinard (4) but was conclusively proved by Bloch, Schoenheimer, and Rittenberg (5, 6)
Borsook, Henry, Dubnoff, Jacob W.
core  

Effect of hydrogen bonding and complexation with metal ions on the fluorescence of luotonin A [PDF]

, 2013
Fluorescence characteristics of a biologically active natural alkaloid, luotonin A (LuA), were studied by steady-state and time-resolved spectroscopic methods.
Abraham, Abraham, Babu, Cagir, Carmona, Carmona, Cheng, Chou, Dallavalle, Dey, Dobkowski, Fung, Gonzalez-Ruiz, Gonzalez-Ruiz, Li, Liang, Lim, László Biczók, Ma, Maliakal, Marcus, Marcus, Marcus, Mason, Melhuish, Miskolczy, Miskolczy, Miskolczy, Miskolczy, Mussardo, Nagy, Nikolov, Peintler, Penedo, Reichardt, Reyman, Reyman, Sánchez-Coronilla, Takeuchi, Toele, Tseng, Vetokhina, Waluk, Yadav, Zhou, Zsombor Miskolczy   +45 more
core   +1 more source

Nuclear pore links Fob1‐dependent rDNA damage relocation to lifespan control

FEBS Open Bio, EarlyView.
Damaged rDNA accumulates at a specific perinuclear interface that couples nucleolar escape with nuclear envelope association. Nuclear pores at this site help inhibit Fob1‐induced rDNA instability. This spatial organization of damage handling supports a functional link between nuclear architecture, rDNA stability, and replicative lifespan in yeast.
Yamato Okada, Mina Iwaki, Kyosuke Hagiri, Rei Izumi, Masahiko Harata, Chihiro Horigome   +5 more
wiley   +1 more source

Potentiometric Determination of Acidity Constants of Some Synthesized Organic Compounds in Organic-Water Media [PDF]

Journal of Sciences, Islamic Republic of Iran, 2016
The acidity constants of some synthesized protonated pyrazolo quinazoline compounds were determined potentiometrically at ionic strength of 0.1 M in DMF: water (60:40 v/v) system at different temperatures (298.15 K to 318.15 K).
Sh. Baluja, P. Ramavat, K. Nandha
doaj  

Bio-precipitation of uranium by two bacterial isolates recovered from extreme environments as estimated by potentiometric titration, TEM and X-ray absorption spectroscopic analyses [PDF]

, 2011
This is the post-print version of the final paper published in Journal of Hazardous Materials. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural ...
Balkwill, Beazley, Brim, Chatellier, Choudhary, Cox, Daughney, Dittrich, Fein, Fein, Fomina, Haas, Hudson, Jesus J. Ojeda, José M. Arias, Jroundi, Kalinowski, Koban, Langmuir, Lawrence, Li, Lloyd, Lovley, Macaskie, Macaskie, Macaskie, Margarita López Fernández, Marta Nedelkova, Martinez, Martinez, María Romero-González, Merroun, Merroun, Merroun, Merroun, Mohamed L. Merroun, Nedelkova, Neu, Ngwenya, Nilgiriwala, Plette, Reasoner, Reitz, Renninger, Rosen, Selenska-Pobell, Shelobolina, Sonja Selenska-Pobell, Suzuki, Thomas Reitz, Turner, Wall, White, Yee, Yong   +54 more
core   +2 more sources