Category: Physical

Quantum Dot Lasers: Improving Efficiency with Perovskite Shells

Lasers are cool – everyone who’s seen a sci-fi movie knows that. But we still haven’t figured out how to use them to their full potential in real life. This paper explores some ways to improve the efficiency of quantum dot lasers, which have a myriad of applications in computers to cell imaging.

Getting Rid of the Coffee Ring

Coffee has more to offer your brain than just yawn-free days! Transform your everyday experience with coffee and its stains to an understanding of the interesting phenomenon of coffee ring effect. Explore its implications and challenges in materials industry and learn about a simple approach to get rid of it.

Carbon Monoxide: Future Therapeutic?

Carbon monoxide is probably one of the last things you would expect to see touted as a new therapeutic. How could this compound be used in medicine?

Drawing a map with chemicals!

Buildings and natural preserves create geographical maps. And now, molecules could build a molecular map! By investigating the presence of molecules in the environment, researchers have built some 3D molecular maps, which are the story tellers of our interactions with our living places!

How to unmask the disguised cooking oil from natural oil?!

In recent years, some traders were found to have recycled cooked oil and added to lard in order to reduce production costs. This oil mixture undoubtedly raised food hygiene and safety issues in the food industry. The big question is, how can we distinguish the disguised animal oil from their natural counterparts?

Simple Measurement of Alcohol Content with an Infrared Camera

Title: One-Shot, reagent-free determination of the alcoholic content of distilled beverages by thermal infrared enthalpimetry Authors: Juliano Barin et. al. Publication Info: https://doi.org/10.1016/j.talanta.2017.05.011 During the manufacture of chemical products, the ability to rapidly and accurately monitoring the concentrations of various components is critical.  For the alcoholic beverage industry,…

Health Assessment in Your Home via Disposable Breath Analysis Sensors

Title: Diagnosis and Classification of 17 Diseases from 1404 Subjects via Pattern Analysis of Exhaled Molecules Authors: Hossam Haick et al. Publication Info: ACS Nano, 2017, 11 (1), pp 112–125 DOI: 10.1021/acsnano.6b04930 This work reports on the development of a portable, inexpensive, and non-invasive breath analyzer that couples the use…

A Simple Approach for Developing Inexpensive and Sustainable Metal Catalysts

In order to keep catalyst-based industries sustainable and profitable, new catalysts need to be developed that utilize inexpensive, earth-abundant materials. The authors here present a novel method for easily forming stable earth-abundant metal catalysts, which are inexpensive and sustainable alternatives to precious-metal catalysts.

Quantifying the Effects of Individual Nanoparticles

Title: Electrocatalytic Activity of Individual Pt Nanoparticles Studied by Nanoscale Scanning Electrochemical Microscopy Authors: Jiyeon Kim, Christophe Renault, Nikoloz Nioradze, Netzahualcóyotl Arroyo-Currás, Kevin C. Leonard, and Allen J. Bard* Publication Info: J. Am. Chem. Soc., 2016, 138 (27), pp 8560–8568 DOI: 10.1021/jacs.6b03980 The mere mention of…