What is meant by Biosorbent?
What is meant by Biosorbent?
Despite the ‘bio’ prefix that denotes the involvement of a biological entity, biosorption is a physico-chemical process that can be simply defined as the removal of substances from solution by biological material (Gadd, 2009).
What is the difference between biosorption and adsorption?
The absorption of substances by microbial biomass is generally referred to as biosorption. The mechanism responsible for this accumulation is complex and includes, among other processes, adsorption to the cell surface and/or absorption of the substances into various compartments of the microbial cell.
How is bioterrorism defined or classified?
Bioterrorism is the intentional release or threat of release of biologic agents (i.e. viruses, bacteria, fungi or their toxins) in order to cause disease or death among human population or food crops and livestock to terrorize a civilian population or manipulate the government [3].
What is meant by term bioterrorism?
A bioterrorism attack is the deliberate release of viruses, bacteria, or other germs to cause illness or death. These germs are often found in nature. But they can sometimes be made more harmful by increasing their ability to cause disease, spread, or resist medical treatment.
What does the word adsorption mean?
: the adhesion in an extremely thin layer of molecules (as of gases, solutes, or liquids) to the surfaces of solid bodies or liquids with which they are in contact — compare absorption. Other Words from adsorption Example Sentences Learn More About adsorption.
What do you mean by the term sorption?
Sorption can be defined as a phenomenon of fixation or capture of a gas or a vapor (sorbate) by a substance in condensed state (solid or liquid) called sorbent [124].
What is the difference between bioaccumulation and Biosorption?
Bioaccumulation is the net accumulation of a substance into the tissues of a living organism as result of uptake from all sources (diet and ambient medium) while biosorption is the ability of certain dead biomass to bind and concentrate some substances in them.
What is biomass and bioaccumulation?
Biomass declines as you move up through the trophic levels. However, some types of materials, especially toxic chemicals, increase with each trophic level in the food web. When a carnivore eats several of these herbivores, it takes in the pesticide chemicals stored in its prey. This process is called bioaccumulation.
What is bioterrorism and examples?
Share. Bioterrorism is the use of bacteria, viruses, or germs to purposely harm large quantities of people or communities. These “weapons” are spread through air, water, or food sources.
How are biological agents categorized?
Biological Agents are classified in the Code of Practice to the Safety, Health and Welfare at Work (Biological Agents) Regulations 2013 and 2020, into four risk groups – groups 1, 2, 3 and 4. The classification system is based on whether: The agent is pathogenic to humans. The agent is a hazard to employees.
What is meant by agroterrorism?
Agroterrorism is a subset of bioterrorism, and is defined as the deliberate introduction of an animal or plant disease with the goal of generating fear, causing economic losses, and/or undermining social stability. The goal of agroterrorism is not to kill cows or plants.
What is the FBI definition of ” terrorism “?
FBI definition of terrorism: The unlawful use of force or violence against persons or property to intimidate or coerce a Government, the civilian population, or any segment thereof, in furtherance of political or social objectives.
Is there a legally binding definition of terrorism?
There is no universal agreement on the legal definition of terrorism, although there exists a consensus academic definition created by scholars. Various legal systems and government agencies use different definitions of terrorism, and governments have been reluctant to formulate an agreed-upon and legally binding definition.
What is the definition of terrorism in NATO?
North Atlantic Treaty Organization (NATO) Definition of Terrorism. The unlawful use or threatened use of force or violence against individuals or property in an attempt to coerce or intimidate governments or societies to achieve political, religious or ideological objectives.
Is there a general consensus on the definition of terrorism?
There is no general consensus on the definition of terrorism. The difficulty of defining terrorism lies in the risk it entails of taking positions.