ELIZA

return kwic search for activity out of >500 occurrences
475194 occurrences (No.33 in the rank) during 5 years in the PubMed. [no cache] 500 found

132) Nanomaterials can be used as catalysts, adsorbents, membranes, water disinfectants and additives to increase catalytic activity and capability due to their high specific surface areas and nanosize effects.

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PMID:23937251 DOI:10.3109/07388551.2013.819484

2015 Critical reviews in biotechnology

* Metallic nanoparticles: microbial synthesis and unique properties for biotechnological applications, bioavailability and biotransformation.

- The impact of nanotechnology in all areas of science and technology is evident. The expanding availability of a variety of nanostructures with properties in the nanometer size range has sparked widespread interest in their use in biotechnological systems, including the field of environmental remediation. Nanomaterials can be used as catalysts, adsorbents, membranes, water disinfectants and additives to increase catalytic activity and capability due to their high specific surface areas and nanosize effects. Thus, nanomaterials appear promising for new effective environmental technologies. Definitely, nanotechnology applications for site remediation and wastewater treatment are currently in research and development stages, and new innovations are underway. The synthesis of metallic nanoparticles has been intensively developed not only due to its fundamental scientific interest but also for many technological applications. The use of microorganisms in the synthesis of nanoparticles is a relatively new eco-friendly and promising area of research with considerable potential for expansion. On the other hand, chemical synthesis occurs generally under extreme conditions (e.g. pH, temperature) and also chemicals used may have associated environmental and human health impacts. This review is an overview of current research worldwide on the use of microorganisms during the biosynthesis of metallic nanoparticles and their unique properties that make them good candidates for many applications, including in biotechnology.

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(1)70 of	(13)6 patterns	(25)3 but	(37)2 functional
(2)54 null	(14)5 may	(26)3 changes	(38)2 increased
(3)49 and	(15)5 using	(27)3 for	(39)2 induces
(4)45 in	(16)5 with	(28)3 measured	(40)2 level
(5)17 was	(17)4 at	(29)3 through	(41)2 or
(6)11 against	(18)4 levels	(30)2 Questionnaire	(42)2 over
(7)10 during	(19)4 on	(31)2 after	(43)2 promotion
(8)9 (PA)	(20)4 which	(32)2 between	(44)2 resumption
(9)8 is	(21)4 while	(33)2 calcium	(45)2 than
(10)7 to	(22)3 among	(34)2 compared	(46)2 that
(11)7 were	(23)3 are	(35)2 decreased	(47)2 via
(12)6 by	(24)3 as	(36)2 diary	(48)2 when

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--- WordNet output for activity --- =>活動, 活躍, 働き, 動き, 活気 Overview of noun activity The noun activity has 6 senses (first 3 from tagged texts) 1. (43) activity -- (any specific behavior; "they avoided all recreational activity") 2. (36) action, activity, activeness -- (the state of being active; "his sphere of activity"; "he is out of action") 3. (13) bodily process, body process, bodily function, activity -- (an organic process that takes place in the body; "respiratory activity") 4. activity -- ((chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity") 5. natural process, natural action, action, activity -- (a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity") 6. activeness, activity -- (the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age") --- WordNet end ---