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Related papers: Cr (VI) biosorption at different Na (I) concentrat…

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The biosorption of Cr(VI)_ and Cr(III)_ Arthrobacter species (Arthrobacter globiformis and Arthrobacter oxidas) was studied simultaneous application dialysis and atomic absorption analysis. Also biosorption of Cr(VI) in the presence of…

Chemical Physics · Physics 2011-06-16 E. Gelagutashvili , E. Ginturi D. Pataraia , M. Gurielidze

The biosorption of Cr(VI)_ and Cr(III)_ of Arthrobacter species (Arthrobacter globiformis and Arthrobacter oxidas) was studied application dialysis and atomic absorption analysis at various Na(I) concentrations. Is was shown significant…

Biological Physics · Physics 2021-02-04 E. Gelagutashvili , O. Rcheulishvili , A. Rcheulishvili

The biosorption of Ag(I)_ Arthrobacter species (Arthrobacter globiformis 151B and Arthrobacter oxidas 61B) was studied at simultaneous application of dialysis and atomic absorption analysis. The biosorption constants and nature of…

Biological Physics · Physics 2012-07-11 E. Gelagutashvili , A. Rcheulishvili , E. Ginturi , N. Bagdavadze , N. Kuchava , K. Tsakadze , M. Janjalia

The absorption characteristics of Cr(III), Cr(VI), Cu(II) ions on intact living cells Spirulina platensis (pH9.6) were studied by using a UV-VIS spectrophotometer. Also biosorption of these ions with cyanobacteria Spirulina platensis were…

Biological Physics · Physics 2017-06-19 E. Gelagutashvili , N. Bagdavadze , A. Rcheulishvili

The biosorption of Au(III) - Spirulina platensis and Au(III) - Arthrobacter species (Arthrobacter globiformis and Arthrobacter oxidas) were studied at simultaneous application of dialysis and atomic absorption analysis. Also biosorption of…

Biological Physics · Physics 2012-07-11 E. Gelagutashvili , E. Ginturi , A. Rcheulichvili , K. Tsakadze , N. Bagdavadze , N. Kuchava , M. Djandjalia

The reduction reaction of turning Cr(VI) into Cr(III) by appropriate oxidants together with nanoscale catalysts in contaminated soil and water received significant amount of attention for its environmental benefits. Single-atom catalysts…

Chemical Physics · Physics 2022-09-20 Jianglu Ping , Haojun Jia

Observations suggest that CII was more abundant than CIV in the intergalactic medium towards the end of the hydrogen reionization epoch. This transition provides a unique opportunity to study the enrichment history of intergalactic gas and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 K. Finlator , R. Thompson , S. Huang , R. Davé , E. Zackrisson , B. D. Oppenheimer

STIS Echelle observations at a resolution of 10 km/s and UVES/VLT spectroscopy at a resolution of 7 km/s of the luminous QSO HE 0515-4414 (z_em = 1.73, B = 15.0) reveal four intervening O VI absorption systems in the redshift range 1.2 <…

Astrophysics · Physics 2009-11-06 Dieter Reimers , Robert Baade , Hans-Juergen Hagen , Sebastian Lopez

We present the analysis of five O VI absorbers identified across a redshift path of z $\sim (0.6 - 1.3)$ towards the background quasar PG $1522+101$ with information on five consecutive ionization stages of oxygen from O II to O VI. The…

Biosorption of Ag(I)-Spirulina platensis for different pH were investigated using dialysis and Atomic-absorbtion analysis. It was shown, that the biosorption constant for Ag(I) Spirulina platensis complex and the capacity depend on the…

Chemical Physics · Physics 2011-06-06 E. Gelagutashvili , E. Ginturi , N. Kuchava , N. Bagdavadze , A. Rcheulishvili

The main object of this investigation was to shed light on the information on the level of Cu uptake by Pseudomonas aeruginosa that has been previously isolated from patients using Gram-negative E. aerogenes ans a Gram-positive Bacillus…

Other Quantitative Biology · Quantitative Biology 2019-12-02 Amjad Al Tarawneh , Haitham Qaralleh , Muhamad O. Al-limoun , Khaled M. Khleifat

Results of a careful analysis of the highly ionized absorption systems, observed over the redshift range 2.198--2.2215 in the zem=2.24 HDFS-QSO J2233-606, are presented. Strong OVI and NeVIII absorptions are detected. Most of the lines show…

Astrophysics · Physics 2011-05-23 Patrick Petitjean , R. Srianand

In yeast (Saccharomyces cerevisiae) and plant roots (Arabidopsis thaliana) zinc enters the cells via influx transporters of the ZIP family. Since zinc is both essential for cell function and toxic at high concentrations, tight regulation is…

Cell Behavior · Quantitative Biology 2015-06-04 Juliane Claus , Andrés Chavarría-Krauser

Au nanoclusters grown on SiO$_2$ by physical vapor deposition are exposed to Br$_2$ and then measured with 1.5 keV Na$^+$ low energy ion scattering. It is found that the clusters are able to dissociate the molecules which then adsorb as…

Mesoscale and Nanoscale Physics · Physics 2018-10-08 Christopher R. Salvo , Josiah Keagy , Jory A. Yarmoff

Adsorption and separation properties of gyroidal nanoporous carbons (GNCs) - a new class of exotic nanocarbon materials are studied for the first time using hyper parallel tempering Monte Carlo Simulation technique. Porous structure of GNC…

Mesoscale and Nanoscale Physics · Physics 2016-03-08 S. Furmaniak , P. A. Gauden , A. P. Terzyk , P. Kowalczyk

In the course of our investigations of the adsorption of ions to the air-water interface, we previously reported the surprising result that doubly-charged carbonate anions exhibit a stronger surface affinity than do singly-charged…

The variation of the optical absorption of carbon nanotubes with their geometry has been a long standing question at the heart of both metrological and applicative issues, in particular because optical spectroscopy is one of the primary…

Over the last decades, photoreceptive proteins were extensively studied with biophysical methods to gain a fundamental understanding of their working mechanisms and further guide the development of optogenetic tools from them. Time-resolved…

Biological Physics · Physics 2021-01-11 David Buhrke , Kerstin T. Oppelt , Philipp J. Heckmeier , Ricardo Fernandez-Teran , Peter Hamm

We compare the characteristics of phase-pure MOCVD grown ZB and WZ InAs nanowire transistors in several atmospheres: air, dry pure N$_2$ and O$_2$, and N$_2$ bubbled through liquid H$_2$O and alcohols to identify whether phase-related…

Applied Physics · Physics 2017-10-25 A. R. Ullah , H. J. Joyce , H. H. Tan , C. Jagadish , A. P. Micolich

Recent observations have revealed that some Type Ia supernovae exhibit narrow, time-variable Na I D absorption features. The origin of the absorbing material is controversial, but it may suggest the presence of circumstellar gas in the…

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