Synthesis of silver nano-materials from Grevillea robusta A Cunn (Silver-oak tree) leaves extract and shape directing role of cetyltrimethylammonium bromide

2016 ◽  
Author(s):  
Rabia Ahmad ◽  
Qamer Faisal ◽  
Sajjad Hussain
Author(s):  
Sandeep Tripathi ◽  
R. Sanjeevi ◽  
J. Anuradha ◽  
Dushyant Singh Chauhan ◽  
Ashok K. Rathoure

The functional aspect of nanotechnology (NBT) is driven either to accelerate the performance of materials and/or to reduce the quantity of materials that are used for the purpose. Most significantly, its potential attribute to the environment includes the treatment and remediation, sensing and detection, and pollution prevention. In general nano-bio remediation (NBR) involves the use of nano-materials either in in-situ (in place), or ex-situ (off-place) treatment of contaminated materials. To accomplish this, the elemental or zero-valent metals and like materials in nano-form (1-100 nm) have been applied as an instinctive need to embrace sustainable environment. The use of nanomaterials initially reduces the biodegradable contaminants and then it promotes to achieve the standard levels. Thus, the role of nano-materials could be an efficient, effective approach to remediate the environmental contaminant sustainably. However, further research is required to record the detailed fate of the nano-materials that are used in environment remediation.


2015 ◽  
Vol 76 (14) ◽  
Author(s):  
Wan Nur Aifa Wan Azahar ◽  
Mastura Bujang ◽  
Ramadhansyah Putra Jaya ◽  
Mohd. Rosli Hainin ◽  
Md. Maniruzzaman A. Aziz ◽  
...  

Nowadays, the nanotechnology is widely applied in pavement engineering in order to improve the properties of materials and their performance. Nanotechnology can be considered as the measurement on nanometer scale that affects the material used in pavement due to its unique characteristic. Therefore, this new technology might indirectly solve the current pavement construction problems. The application of nanotechnology in enhancing the performance of fresh bitumen in term of the longevity and durability has been proven by a lot of previous studies and researches. Literatures have been reviewed and summarized critically to give an overview about the role of nanotechnology in improving pavement material properties. There are some concerns in the application of nanotechnology that needs to be addressed regarding to the safeties of these nano-materials in term of human health.


Author(s):  
N. Umashankar ◽  
P. Venkateshamurthy ◽  
R. Krishnamurthy ◽  
H. R. Raveendra ◽  
K. M. SatishI

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