In which of the following are hydrogels used? 1. Controlled drug delivery in patients 2. Mobile air-conditioning systems 3. Preparation of industrial lubricants Select the correct answer using the code given below:

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Q: 92 (IAS/2024)
In which of the following are hydrogels used?
1. Controlled drug delivery in patients
2. Mobile air-conditioning systems
3. Preparation of industrial lubricants
Select the correct answer using the code given below:

question_subject: 

Science & Technology

question_exam: 

IAS

Hydrogels are primarily used in controlled drug delivery due to their high water content and biocompatibility. They can release drugs in a controlled manner, making them ideal for medical applications.