Who among the following devised the autoclave used for sterilization?

AIIMS Patna NO - 2020

Microbiology

Easy

Appeared in: AIIMS Patna NO - 2020

Explanation

Charles Chamberland, a French microbiologist, invented the autoclave in 1879.
He was a collaborator of Louis Pasteur, whose laboratory was at the forefront of developing sterilization methods.
The autoclave utilizes steam under high pressure to achieve temperatures (typically 121°C) sufficient to kill all microorganisms, including heat-resistant bacterial spores.
This invention revolutionized medical and surgical practices by enabling the complete sterilization of instruments and materials.

Option B: Robert Koch's primary contributions were in identifying the specific causative agents of major infectious diseases like tuberculosis, cholera, and anthrax.
Option C: Edward Jenner is celebrated as the 'father of immunology' for his pioneering work on vaccination, specifically the development of the smallpox vaccine.
Option D: Anton van Leeuwenhoek is known as the 'father of microbiology' because he was the first person to build powerful microscopes and observe and document microorganisms, which he called 'animalcules'.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain History of Microbiology and Sterilization as background academic context rather than a clinical decision trigger.
Autoclaving is the gold standard for sterilizing surgical instruments, drapes, and other critical items in healthcare settings to prevent healthcare-associated infections (HAIs).
Nurses play a crucial role in infection control by ensuring that equipment is properly cleaned, packaged, and loaded into the autoclave, and by verifying that each cycle has successfully completed using chemical and biological indicators.
What if? If a biological indicator from an autoclave load shows growth after incubation, it signifies a sterilization failure. All items from that load must be considered non-sterile and must be recalled and reprocessed to prevent patient exposure to infectious agents.

How to Approach the Question

First, identify the key terms in the question: 'autoclave' and 'devised' (which means invented or created).
This is a factual recall question that tests knowledge of major figures in the history of microbiology and medicine.
Systematically evaluate each option based on their most famous contribution.
Recall that Edward Jenner is associated with vaccines, Anton van Leeuwenhoek with the first microscopes, and Robert Koch with identifying germs and his famous postulates.
By eliminating the other well-known figures, Charles Chamberland remains as the inventor of the autoclave, a specific piece of sterilization equipment developed within Louis Pasteur's influential laboratory.

Concept Tested & Keywords

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