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With reference to Carbon Dots, consider the following statements:
Carbon Dots exhibit very different physical and optical properties from Quantum Dots.
  • They can serve as nanoprobes for biosensing applications.
  • Carbon dots are less toxic as compared to Quantum dots.
    Which of the statements given above is/are Correct?
    • a)
      1 and 2 only
    • b)
      2 and 3 only
    • c)
      1 and 3 only
    • d)
      1, 2 and 3
    Correct answer is option 'B'. Can you explain this answer?
    Most Upvoted Answer
    With reference to Carbon Dots, consider the following statements: ...
    Option (b) is the correct answer.
    • Statement 1 is incorrect. Carbon dots are fluorescent nanoparticles that show similar physical and optical properties to the well-known semiconductor quantum dots.
    • Statement 3 is correct. However, the building block of carbon dots is made primarily out of carbon, with some doped heteroatoms, creating a nanoparticle that is more biocompatible and less toxic compared with the quantum dots that commonly contain heavy metals.
    • Statement 2 is correct. They can be easily prepared via various economical and environmentally friendly approaches, and can be designed with biomolecules to achieve the required biosensing properties. The analytical performance of the nanoprobes can be improved significantly due to the large surface to volume ratio of the carbon dots. The fluorescence serves as a sensing signal, and responds accordingly to the results of the interaction between the carbon dots and the analyte of interest.
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    With reference to Carbon Dots, consider the following statements: Carbon Dots exhibit very different physical and optical properties from Quantum Dots. They can serve as nanoprobes for biosensing applications. Carbon dots are less toxic as compared to Quantum dots. Which of the statements given above is/are Correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?
    Question Description
    With reference to Carbon Dots, consider the following statements: Carbon Dots exhibit very different physical and optical properties from Quantum Dots. They can serve as nanoprobes for biosensing applications. Carbon dots are less toxic as compared to Quantum dots. Which of the statements given above is/are Correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about With reference to Carbon Dots, consider the following statements: Carbon Dots exhibit very different physical and optical properties from Quantum Dots. They can serve as nanoprobes for biosensing applications. Carbon dots are less toxic as compared to Quantum dots. Which of the statements given above is/are Correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to Carbon Dots, consider the following statements: Carbon Dots exhibit very different physical and optical properties from Quantum Dots. They can serve as nanoprobes for biosensing applications. Carbon dots are less toxic as compared to Quantum dots. Which of the statements given above is/are Correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?.
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