There is plenty of room at the bottom: New Insights into old observations

Abraham Marmur

Volume 9, Issue 9 , September 2018, Pages 610-613

http://dx.doi.org/10.5185/amlett.2018.2002

Abstract
  Three case studies are analysed to demonstrate (1) the usefulness of fundamental understanding and theoretical modelling in systems with small dimensions, for which interfacial phenomena are crucial; (2) The possibility of advancing our understanding even in areas that are considered old; and (3) The ...  Read More

There is plenty of room at the bottom: New Insights into old observations


Facile synthesis of graphene quantum dots based on electrochemical method and their application for specific Fe3+ detection

Yang Fu; Runze Liu; Jinfang Zhi

Volume 9, Issue 9 , September 2018, Pages 614-618

http://dx.doi.org/10.5185/amlett.2018.2052

Abstract
  A novel electrochemical strategy for economical, environmental-friendly, simple and facile synthesis of glycine functionalized graphene quantum dots (GQDs) based on direct exfoliation and oxidation from graphite rods was reported. The average diameter of as-synthesized GQDs is 30 nm. Due to the rich ...  Read More

Facile synthesis of graphene quantum dots based on electrochemical method and their application for specific Fe3+ detection


Understanding the applicability of natural fibre composites in hybrid folded structures

Avishek Chanda; Debes Bhattacharyya

Volume 9, Issue 9 , September 2018, Pages 619-623

http://dx.doi.org/10.5185/amlett.2018.2073

Abstract
  One of the important by-products of wood is veneer sheets which can be pressed together to form plywood. Also known as radiata pine veneer, plywood has been increasingly used in different engineering applications and its unique thin structure, with significant mechanical properties, has increased its ...  Read More

Understanding the applicability of natural fibre composites in hybrid folded structures


Remote photonic sensing of glucose concentration via analysis of time varied speckle patterns

Nisan Ozana; Roy Talman; Amir Shemer; Ariel Schwartz; Sagi Polani; Ran Califa; Yevgeny Beiderman; Joaquin Ruiz-Rivas; Javier Garc

Volume 9, Issue 9 , September 2018, Pages 624-628

http://dx.doi.org/10.5185/amlett.2018.2054

Abstract
  The ability to perform a remote sensing of glucose in the blood stream can be very applicable. The novel method presented in this paper is based on two optical approaches both based on the extraction and analysis of the changes in the collected speckle field. The first physical effect used for the detection ...  Read More

Remote photonic sensing of glucose concentration via analysis of time varied speckle patterns


Work function and induced band bending characterization for engineering of selective contact for solar cells

Marshall Wilson; Jie Cui;Jacek Lagowski; Alexandre Savtchouk; Ziv Hameiri

Volume 9, Issue 9 , September 2018, Pages 629-631

http://dx.doi.org/10.5185/amlett.2018.2084

Abstract
  This work demonstrates the effectiveness of non-contact Kelvin-probe and surface photovoltage characterization of the work function (WF) induced barriers formed in silicon (Si) by thin 5nm carrier selective contact films of MoOx, TiO2 and MgF2.  The calibrated Kelvin probe in the dark and under ...  Read More

Work function and induced band bending characterization for engineering of selective contact for solar cells


Development of advanced aerogel-based composite material with high performance for building industry

Marina Stipetic

Volume 9, Issue 9 , September 2018, Pages 632-637

http://dx.doi.org/10.5185/amlett.2018.2087

Abstract
  According to the European Commission's plan, greenhouse gas emissions in the European Union must be reduced by 80% compared to the level from year 1990 (see [1]). In order to reduce the energy consumption of the buildings, an optimization of the building insulation is an effective measure. Super-insulating ...  Read More

Development of advanced aerogel-based composite material with high performance for building industry


Effect of the substrate bias in diamond deposition during hot filament chemical vapor deposition: Approach by non-classical crystallization 

Jin-Woo Park; Kwang-Ho Kim; Nong-Moon Hwang

Volume 9, Issue 9 , September 2018, Pages 638-642

http://dx.doi.org/10.5185/amlett.2018.2082

Abstract
  The effect of the substrate bias on the diamond deposition was studied using a hot filament chemical vapor deposition (HFCVD) reactor. Both growth rate of diamonds and sp < sup > 3 /sp < sup > 2 ratio increased with increasing the substrate bias from – 200 V to + 45 V. At + 60 V where ...  Read More

Effect of the substrate bias in diamond deposition during hot filament chemical vapor deposition: Approach by non-classical crystallization 


Palm oil fatty acids and carotenoids extraction with lipase immobilized in magnetic nanoparticles 

Tamires Carvalho; Adejanildo Pereira; Priscilla V. Finotelli; Priscilla F. F. Amaral

Volume 9, Issue 9 , September 2018, Pages 643-646

http://dx.doi.org/10.5185/amlett.2018.2059

Abstract
  Magnetite nanoparticles have unique properties including superparamagnetism and low toxicity. They have been used as supports for immobilization of enzymes because of the advantage including easy separation and effective recycle under external magnetic field. Therefore, the present study aimed at developing ...  Read More

Palm oil fatty acids and carotenoids extraction with lipase immobilized in magnetic nanoparticles 


Microwave-assisted synthesis and mechanistic study of multicolor emissive Au nanoclusters using thiol-containing biomolecules  

Yong Yu; Preston Yi Jie Ching; Yen Nee Tan

Volume 9, Issue 9 , September 2018, Pages 647-651

http://dx.doi.org/10.5185/amlett.2018.2081

Abstract
  Developing effective synthesis method for few-atom gold nanoclusters (AuNCs) with tunable emissions is vitally important to gain better understanding of their formation mechanism and provide more design flexibilities to suite for various applications such as multiplex cellular imaging and/or light-emitting ...  Read More

Microwave-assisted synthesis and mechanistic study of multicolor emissive Au nanoclusters using thiol-containing biomolecules  


Metal matrix nano composites using graphene nano platelets indented on copper particles in aluminium matrix

Rachit Ranjan; Nirmal Kumar Singh; Anand Prakash Jaiswal; Vivek Bajpai

Volume 9, Issue 9 , September 2018, Pages 652-655

http://dx.doi.org/10.5185/amlett.2018.2078

Abstract
  Aluminium matrix composite was prepared by using an innovative approach of using graphene indent on copper particles as inforcement material. The reinforcement was mixed and ball milled for 30 and 60 min respectively to get proper sight of copper fracture where graphene (GNP) can be embedded. The reinforcement ...  Read More

Metal matrix nano composites using graphene nano platelets indented on copper particles in aluminium matrix


Improved electrical and photoluminescence properties in Nd substitution of 0.94(Na0.5Bi0.5TiO3)-0.06BaTiO3 lead free multi-functional ceramics 

Kumara Raja Kandula; Sai Santosh Kumar Raavi; Saket Asthana

Volume 9, Issue 9 , September 2018, Pages 656-659

http://dx.doi.org/10.5185/amlett.2018.2038

Abstract
  Nd 3+ -substituted lead free 0.94(Na0.5Bi0.5-XNdXTiO3)-0.06BaTiO3 (x=0, 0.01) ceramics were synthesized by using conventional solid state route. The XRD studies revealed the phase purity and existence of the monoclinic (Cc), cubic (Pm3m) along with the minor tetragonal phases confirmed with help of structural ...  Read More

Improved electrical and photoluminescence properties in Nd substitution of 0.94(Na0.5Bi0.5TiO3)-0.06BaTiO3 lead free multi-functional ceramics 


Evaluation of mild steel hollow and foam filled circular tubes under axial loading

Dipen Kumar Rajak; Sushrut A. Gawande; L. A. Kumaraswamidhas

Volume 9, Issue 9 , September 2018, Pages 660-664

http://dx.doi.org/10.5185/amlett.2018.2041

Abstract
  AAF (Aluminium alloy foam) has turned out to be a beneficiary content in the automotive sector across the globe. It has been in applications due its light weight tendency and providing high strength and energy absorbing capacity. The content of paper marks a plot on the energy absorption capability of ...  Read More

Evaluation of mild steel hollow and foam filled circular tubes under axial loading