The purpose must be to keep the cost as low as possible and the effectiveness as the same to coventional vaccine or improved
thanks Trevor...... Can I have one which are bio-compatible? TIO2 are toxic for humans
i think we can use silicondioxide (SiO2 nanoparticle) which is bio-compatible.
I agree with Sabitha... SiO2 is bio-compatible and a lot of research has been conducted with it. You will get many references. Also, it is highly thermally stable.
Who says TiO2 is toxic? It is used in low fat milk, cake icing, and pretty much anything else that is white...
TOXIC vs. NON-TOXIC
Toxicity is a characteristic of a dose. There are two equally correct answers to question: “Is substance XZ (for example TiO2) toxic?” :
1. “No, it is not.”
2. “Yes, it is.”
The question has therefore to be rephrased: “Which concertation and exposure duration makes substance XZ (for example TiO2) toxic to organism XXX.”
Toxicity data are relative data. They depend on dose and are also related to a control group of exposed organisms and a a group exposed to a positive control (substance with known effect). Taking al these into account helps to get right answer to question ““Is substance XZ (for example TiO2) toxic?”.
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