How to modify Al2O3 surface to make it hydrophobic?

Dear Scientists, I am going to disperse Al2O3 with synthetic oil (hydrophobic). Therefore how to modify Al2O3's surface to it stable in the lubricant? thank you very much. Best regards, Agus.

25 August 2020 4,485 3 View

How to determine atom% from weight% as shown in Maud Crystallographic Software ?

My understanding is atom% can be obtained from weight% by dividing all latter values by the appropriate atomic weights and normalizing their sum to unity. However, I am having a difficulty in...

17 June 2020 5,309 5 View

How to preserve shrimp hemolymph?

Can anyone suggest how to preserve shrimp hemolymph sample during transport to laboratory from a remote shrimp farm? How to prevent hemolymph to clot between individual extractions in a pooled...

01 February 2018 5,287 1 View

Why DNA plasmid have to dry after wash by ethanol??

09 September 2017 7,373 4 View

Nitrification vs mineral concentration

Is nitrification directly affected by major minerals (Ca, Mg, K, Na) concentration in water? Does the nitrifying bacteria need these minerals significantly?

09 August 2017 2,095 3 View

Why should I use a reversed column for better peak in HPLC?

27 March 2015 8,813 3 View

How can I determine the stability of biosurfactant based on the emulsion activity test?

I have done a test of emulsion activity (and surface tension) to characterize the biosurfactant produced by bacteria. The emulsion activity reduced after 24 hours, but no more than 10%. How can I...

08 August 2014 9,155 9 View

Co-Immunoprecipitation problem - Can anyone lend their expertise?

I want to purify a protein complex with co-IP kit (Thermo-Pierce, resin column), but, at the end, I could neither elute enough specific protein nor visualise by WB using antibody against...

03 August 2014 6,377 6 View

Determination of Ginkgolide A and B using HPLC

Can anyone suggest a suitable solvent system in HPLC (using column of Licrhospher 100 RP-18 5um, Merck, Darmstadt, Germany) to determine Ginkgolide A and B ?

28 November 2012 4,169 18 View

Can you explain how to develop a good questionnaire?

A questionnaire is an instrument usually used in survey research. How to make a good questionnaire so that it can provide us the best results (valid, reliable) to our study?

12 September 2012 3,699 1 View

Is secondary metabolite production more at vegetative growth stage or during reproductive stage?

Hi, I am working on the effect of heavy metals on a medicinal plant by pot experimentation. Analyzing the effect of heavy metals on secondary metabolites is one of the parameters. I will be...

11 February 2021 6,683 6 View

Why is Fermented Plant Juice (FPJ) always diluted with water? Could it be diluted with other solvents such as rice water?

I am currently making a research paper with my classmates in Philippine Science High School and we are trying to find references that mixed Fermented Plant Juice with other solvents instead of...

17 January 2021 5,099 4 View

Which test to use check normality for count data if I have 3 treatments and one dependent variable?

I am working on a experimental design. I have three treatments(three temperatures) . I have 18 fish under each sample and after a desired time I will check if there is any variation in their...

01 January 2021 9,167 3 View

Organic farming can be done for all crops?

Organic farming can be done for all crops?

24 December 2020 751 16 View

Is vertical farming the future of agriculture?

Please provide your opinion on vertical farming. Is it the future of agriculture? If yes, where is it most promising (areas, countries cities etc.)?

17 November 2020 3,934 97 View

Role of drones in Smart Agriculture?

Drones can also identify drier regions in a field and measures can then be taken to irrigate such regions with better techniques. Precision agriculture provides farmers with such concrete...

10 November 2020 7,746 31 View

How could be improved the farmers' farm income in reality point of view as well as double the farm income?

At present central government making the policy and forecasting for doubling the farmers' income, and on the other hand here working a no of research institutions in India and abroad for long time...

09 November 2020 1,025 12 View

What is your opinion about zero budget natural farming?

Agriculture is known to provide various innovations from time -to -time , but in the process , we sometimes land in no man's land, and often try to take agriculture to backfoot so miserably in...

06 November 2020 1,910 19 View

Rapid color change in fishes?

I have noted dramatically change in color on the body of some marine fishes. For example, I saw a dramatically change from a "intense-yellow" color to "brown" color (normal color), just in one...

19 October 2020 2,717 6 View

Apart from using probiotics, following biosecurity and good management practices, is there any cure/medicine for White feces disease in Vannamei now?

the gut related diseases like White feaces, white muscle, white gut are doing much damage to shrimp by retarding growth and increasing FCR and eventually heavy losses. is there any medicine or...

07 October 2020 5,213 3 View