Nanotechnology Current Affairs - 2020

April 28: World Day for Safety and Health at Work

Every year the World Day for Safety and Health at Work is observed on April 28. With COVID-19 pandemic creating great challenges for governments, workers and employers, this year the day is to focus on addressing outbreak of infectious diseases at work.

This year, the day is marked under the theme

Theme: Stop the Pandemic


The day aims to stimulate national tripartite dialogue that convened on safety and health. The day is being observed by the International Labour Organization since 2003.

International Labour Organization

The celebration of the day is a part of Global Strategy on Occupational Safety and Health. ILO also observes International Commemoration Day for Dead and Injured Workers on April 28. This is being observed since 1996.


It is important to mark the day to address emerging risks at work. This includes risks in new and emerging technologies and their production processes. For instance, biotechnology and nanotechnology. Also, the day creates awareness about new working conditions. This includes work intensification, higher work loads, challenging conditions associated with migration.

Current Scenario

With COVID-19 creating crisis all over the world, it is important to bring about adequate safety and health measures at work place. The collaboration of governments, workers and employers both nationally and internationally is the only solution to handle COVID-19.

INST uses Fish Gills to develop low cost electro-catalysts

The Institute of Nano Science and Technology operating under Department of Science and Technology has launched an environment friendly catalyst for rechargeable metal battery.


The Catalyst used is made of fish gills. It is low cost and can be used in energy conversion devices. The catalyst invented will overcome the bottlenecks in storage technologies such as metal-air battery, fuel cell and biofuel.

The Catalyst can be used as next generation non-precious carbon-based catalyst.

Catalysts in Biofuels

The Catalysts used in biofuel storage technologies are sodium hydroxide, potassium hydroxide and sodium methanoxide. A biofuel cells are those cells that use living organisms to generate electricity. The metal oxides used in these batteries are harmful as they cause permanent damage to tissues

Metal Air Batteries

The Metal air batteries use metals as anode and air as cathode. However, catalysts and electrolytes have hindered the development of metal air batteries.

Fuel Cell

A Fuel Cell converts chemical energy into electrical energy. Usually, platinum, a very expensive metal is used as catalyst.