Laser-induced breakdown spectroscopy (LIBS) has emerged as a promising technique for both quantitative and qualitative analysis of elements in a wide variety of samples. However, conventional LIBS suffers from a high limit of detection (LoD) compared with other analytical techniques. This review briefly discusses several methods that demonstrate the applicability and prospects for trace element detection while lowering the LoD when coupled with LIBS. This review compares the enhancement mechanisms, advantages, and limitations of these techniques. Finally, the recent development and application of LIBS coupled techniques for trace element detection are also discussed for various samples such as metal alloys, biomaterials, rare earth elements, explosives, drinking water, and water bodies.
Mars rovers built by Bangladeshi students selected for final round of global competitionThe Mars rover "Mongol Tori" designed and engineered by six students of Brac University. Six Bangladeshi universities will showcase mars rover vehicles developed by their students at the competition scheduled to take place at the Mars Desert Research Station in Utah, USA on June 1-3. Photo: Brac University Six Mars rover projects of as many Bangladeshi universities have been selected for the final round of the prestigious global competition University Rover Challenge in the US. The universities are: American International University Bangladesh (AIUB), United International University (UIU), Islamic University of Technology (IUT), Independent University of Bangladesh (IUB), Dhaka University of Engineering and Technology (DUET), and Brac University.They are among 36 universities of seven countries to compete at the final stage. A record 82 teams from 13 countries had begun the year trying to design and build the world's best astronautassisting Mars rovers, according to the website of Mars Society which runs the University Rover Challenge.The Bangladeshi universities will showcase rovers developed by their students at the competition scheduled to take place at the Mars Desert Research Station on June 1-3. The Mars Society has been holding the annual competition since 2007. After Bangladesh's first nano-satellite "Onnesha" and lunar excavator "Chondrobot," students of Brac University have taken a stride further with their Mars rover "Mongol Tori". A team of six students designed and engineered the rover which will be showcased at the URC."We are delighted that our design was approved for the University Rover Challenge," Niaz Sharif, leader of the Brac University team, told The Daily Star yesterday.
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