ELIZA

return kwic search for system out of >500 occurrences
331253 occurrences (No.58 in the rank) during 5 years in the PubMed. [cache]

293) Biosorption of copper (Cu) ions from aqueous solutions has been studied in a batch system using a Bacillus species AEJ-89 isolated from Maranjab desert soil.

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PMID:23222695 DOI:10.1177/0748233712468016

2015 Toxicology and industrial health

* Uptake of copper ions from aqueous solutions by Bacillus strain isolated from desert soil.

- Biosorption of copper (Cu) ions from aqueous solutions has been studied in a batch system using a Bacillus species AEJ-89 isolated from Maranjab desert soil. The optimum conditions of biosorption were determined by investigating the initial pH, contact time, and the initial concentrations of metal ions at constant temperature (25°C). The maximum biosorption of Cu ions was observed at pH 5.0 ± 0.1. Biosorption equilibrium times for Cu (II) ions were observed in 30 min. The maximum biosorption capacities of Cu (II) ions on Bacillus species AEJ-89 were determined to be 0.48 mmol g(-1) at 200 mg l(-1) concentration. The experimental adsorption data were fitted to Langmuir isotherm model. The interactions between metal ions and functional groups on the cell wall surface of the biomass were confirmed by Fourier transform infrared spectroscopy analysis. Cu (II) ions were removed from metal-laden biomass after desorption treatments by the addition of different desorbing solutions. The results indicated that the bacterial isolate Bacillus species AEJ-89 is a suitable biosorbent for the removal of Cu (II) ions from aqueous solutions.

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(1)88 null	(12)6 by	(23)3 (ANS)	(34)2 diseases
(2)30 and	(13)6 has	(24)3 (CNS)	(35)2 including
(3)19 is	(14)5 are	(25)3 a	(36)2 involvement
(4)18 of	(15)5 might	(26)3 after	(37)2 known
(5)18 was	(16)5 the	(27)3 as	(38)2 on
(6)17 in	(17)4 Adhesive	(28)3 based	(39)2 one
(7)16 that	(18)4 can	(29)3 development	(40)2 plays
(8)15 for	(19)4 have	(30)3 we	(41)2 related
(9)13 to	(20)4 may	(31)2 (GIS)	(42)2 results
(10)8 which	(21)4 using	(32)2 containing	(43)2 used
(11)7 with	(22)4 were	(33)2 demonstrated

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--- WordNet output for system --- =>制度組織体系的方式, システム, 組織, 整然とした手順, (思想などの)体系, 体制 Overview of noun system The noun system has 9 senses (first 8 from tagged texts) 1. (43) system -- (instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer") 2. (23) system, scheme -- (a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going") 3. (14) system -- ((physical chemistry) a sample of matter in which substances in different phases are in equilibrium; "in a static system oil cannot be replaced by water on a surface"; "a system generating hydrogen peroxide") 4. (10) system, system of rules -- (a complex of methods or rules governing behavior; "they have to operate under a system they oppose"; "that language has a complex system for indicating gender") 5. (8) arrangement, organization, organisation, system -- (an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification") 6. (7) system -- (a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion") 7. (6) system -- (a procedure or process for obtaining an objective; "they had to devise a system that did not depend on cooperation") 8. (1) system -- (the living body considered as made up of interdependent components forming a unified whole; "exercise helped him get the alcohol out of his system") 9. organization, organisation, system -- (an ordered manner; orderliness by virtue of being methodical and well organized; "his compulsive organization was not an endearing quality"; "we can't do it unless we establish some system around here") --- WordNet end ---