Research blog discussion

More Esteban Gonzàlez Rodriguez's questions See All

What can explain this agregation in the culture?

Hi all, I would like to know what could cause this type of agregation in the liquis culture of Chlorella sorokiniana with Glucose as carbon source. I have seen this behavior in other flasks in...

09 October 2018 2,332 2 View

How to measure the water content in raw materials without monograph in pharmacopoeias?

I need to know, wich is the suggest method for measure the water content in a raw material (Diminazene diaceturate) that doesnt have official monograph. Thanks

10 November 2016 9,034 3 View

How can I make a salt bridge with unflavored gelatin?

I would like to know any recipe to made an Salt Bridge using unflavored gelatin. Thanks

02 March 2015 5,581 2 View

I want to know a good methodology to characterize microalgae in fresh water?

I'm looking for a method to characterize micro algae in freshwater in tropical weather (Cali-Colombia).

08 September 2013 3,689 1 View

Does anybody know an efficient method to extract rosmarinic acid from Rosmarinus officinalis?

I've tried to extract rosmarinic acid using a few methods and I wasn't successful. I used the method of the British Phamacopeia and it doesn't function, solvent extraction (using Methylene...

10 November 2012 7,842 3 View

Synthesis of butoxybenzene using phenol and bromobutane, which solvent do I need, what quantity and which catalyst do I need, for what yield?

I want to know all the conditions that I need to synthesize butoxybenzene.

04 May 2012 2,407 3 View

Second Hand Laboratory Equipments

I'm planning to start with a project of a laboratory that makes microbiological analysis to food industry. I'm plan to buy some second-hand equipment to make less hard the initial investment. Is...

01 January 1970 6,516 2 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Which reagent is best among 'Dimethylglyoxime" and "Dithiothreitol" for spectroscopic determination of Nickel ?

What I think is Dithiothreitol. As it is water-soluble and does not form a precipitate. But, the thing is it contains sulphur which is quite hazardous to aquatic animals.

01 March 2021 8,374 4 View

How to identify what type of fillers are in a polymer?

Hello everyone, I have some PHAs blended with fillers and nucleating agents, yet I don't know what kind of fillers or nucleating agents. The producer has shut down and there's no way to get in...

24 February 2021 1,356 8 View

Is it mandatory to specify Subjects Combinations in Generalized Linear Mixed Models (SPSS)?

Hi all, I have data with two levels: lets think of the classic example of students and schools. When running the analysis in SPSS and selecting the Random Effects, we can select (we can or we...

24 February 2021 7,379 4 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Is it possible that Cancer cells could survive in heparinized blood for 48 hours?

Hi everyone, I am just wondering if we incubated 200 microliter of whole blood with 50 microliter of cancer cells(1bout 5000cells) do you think that cancer would survive for 48 hours?

23 February 2021 3,840 3 View

How to minimise the risk of being abused the profile of potential participants tagged in a social media post?

Dear colleagues, I got this one in one project I did ethics review. It's great to hear about your thoughts/experiences. "Doing an open recruitment online (i.e., via Facebook) requires public...

22 February 2021 3,322 3 View

What type of SPSS analyses should I use for my Dissertation?

I'm currently working on my Dissertation and I'm trying to think of the best analyses that I should use for my study. I'm using three questionnaires for this and two different groups, 1st group...

22 February 2021 1,351 4 View