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What is hybrid micellar liquid chromatography primarily used for in the study?
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To detect commonly used pesticides in vegetables. |
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"Detection of most commonly used pesticides in green leafy vegetables from sagar, india using direct injection hybrid micellar liquid chromatography" |
"Detection of most commonly used pesticides in green leafy vegetables from sagar, india using direct injection hybrid micellar liquid chromatography" which describes the development of a procedure based on this technique to monitor pesticides in green leafy vegetables. |
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| 2 |
Which pesticide was found most commonly in the vegetable samples?
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Imidacloprid |
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| 3 |
What percentage of the vegetable samples tested were found to contain no detectable pesticides?
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16% |
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| 4 |
Which of the following is NOT a reason for the use of hybrid micellar liquid chromatography (HMLC)?
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It uses low amounts of toxic chemicals. |
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| 5 |
What was the primary methodological change in the HMLC technique used in the study?
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Use of highly toxic solvents. |
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| 6 |
According to the study, why might vegetable growers prefer other pesticides over Imidacloprid (ICP)?
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ICP has a higher environmental impact. |
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| 7 |
What is the major benefit of using ICP as a pesticide, according to the study?
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It does not affect the taste of vegetables. |
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| 8 |
What aspect of the pesticide detection method was focused on during the method validation phase?
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Testing its efficiency on non-vegetable products. |
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| 9 |
Considering the environmental impacts discussed, why is the HMLC method considered 'green'?
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It utilizes a high volume of solvents for better results. |
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| 10 |
What is the importance of the photodiode array detector in the HMLC technique used in the study?
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It is used to increase the toxicity of chemicals. |
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| 11 |
What is hyperthermia commonly used to treat?
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Cancer |
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Hyperthermia: Role and Risk Factor for Cancer Treatment |
Hyperthermia is commonly used to treat cancer (tumor therapy), often in combination with other methods like radiation therapy and chemotherapy. It works by elevating body temperature to damage cancerous cells while minimizing injury to normal cells. |
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| 12 |
Which method is used to apply heat directly to a tumor in local hyperthermia?
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Microwaves |
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| 13 |
What is the primary benefit of using hyperthermia in cancer treatment?
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It kills cancer cells with minimal damage to normal cells. |
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| 14 |
Hyperthermia is often used in combination with which of the following treatments?
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Radiotherapy and chemotherapy |
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All of pdf that can be open in TechEd part chem |
Hyperthermia is often used in combination with radiotherapy and chemotherapy. The study states that it is a "Successful therapy method in combination with radiation therapy and/ or chemotherapy" for cancer patients. |
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| 15 |
What is the main challenge of using hyperthermia in cancer treatment?
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Reaching and maintaining the required temperature in the target area. |
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| 16 |
Which type of hyperthermia involves heating a larger region or the whole body?
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Whole-body hyperthermia |
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| 17 |
What type of hyperthermia uses applicators inserted into or near a body cavity to deliver heat?
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Endocavitary hyperthermia |
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| 18 |
What is a significant potential side effect of whole-body hyperthermia?
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Systemic stress affecting major organs |
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| 19 |
Considering the physics of heat transfer, why is controlling hyperthermia challenging during treatment?
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Human tissue has varying thermal conductivities which affect heat distribution. |
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| 20 |
Why is hyperthermia considered a beneficial adjunct to radiotherapy and chemotherapy?
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It makes cancer cells more susceptible to other treatments. |
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