Common Q&A

• What is contamination during testing process?  What should I do if contamination is found? ...(more)

• What is “i-screen”? ...(more)
• What are the differences among “i-screen”, “traditional PCR”, and “immune-screening”? ...(more)
• How many kinds of shrimp virus diagnostic are there in “i-screen” series?...(more)
• Who is applicable to “i-screen”?...(more)
• How should “i-screen” be used?...(more)
• How to differentiate a real “i-screen” and a counterfeit one?...(more)
• What is the best storage condition for i-screen?...(more)
• How is "i-screen” being delivered?...(more)

Sample Preservation and Sampling Methods

• What are the recommended sample preservation methods if the test is not taken place shortly? ...(more)
• What kind of shrimp samples can be tested by i-screen?  Can it be done if it is not a shrimp sample?...(more)
• When to use i-screen?...(more)
• Which part of shrimp should be taken when using i-screen in order to get an accurate result?...(more)
• How much amount in a sample should be taken in order to get an accurate result?...(more)
• What is the grinding method and to what level should I grind the sample?...(more)
• How long can a ground sample be last for? What do I do with the reagent if the test must be stopped during the process?...(more)

Reaction

• Do I need to wear gloves while using i-screen? ...(more)
• How many tests can I run at a time? Why? ...(more)
• What do I do with both Tube 2 and 5 already dissolved but not yet run out? ...(more)
• What do I do if the reagent spilled accidentally? ...(more)
• Can I use partially defrost reagents for the test? ...(more)
• Can I still use the reagents inside the vacuum pack if the pack is deflated? ...(more)
• Do I have to pre-heat the oven for more than 30 minutes beforehand? ...(more)
• Does it matter if each reaction time is exceeded or less than the requested time? ...(more)
• What does it mean by “room temperature?”  Would the test be affected with higher or lower temperature? ...(more)
• What happen if I touched the detection stick by hand? ...(more)
• Why cannot the door of Reaction Oven be left open for more than 10 seconds during the test? ...(more)
• What does the “i-screen” reaction base on? What is the theory? ...(more)
• Would the largely amplified viral nucleic acid affect the healthy shrimp or the environment? ...(more)
• What do I do with the reagent if there is a power failure occurred during the process? ...(more)

Result

• What is the sensitivity of “i-screen”? ...(more)
• If comparing “i-screen” with “IQ2000^TM, which is more accurate? ...(more)
• Why is sometimes the background color of the Detection Stick very dark? ...(more)
• Why does the test fail when there is nothing appeared in both windows? ...(more)