What happened when my fresh lime peel (Citrus aurantiifolia) extract didn't have zone of inhibition?

I did an antibacterial activity of lime peel. I use ethyl acetate as the solvent. The ratio is 1:4. The method of extraction is maceration for 3 days. I stir it everyday. After the 3 days of...

03 July 2020 1,414 1 View

Simultaneous equation model with qualitative variable?

Is it possible to estimate a simultaneous equation model in which we have an endogenous and qualitative variable in one of the equations? I have the following equation: y=f(B, X)+Epsilon1 B=f(Y,...

06 July 2018 4,979 1 View

Does someone have the manuscript on the preservation of samples for DNA characterization to share with me?

I am working on the protocol of preserving lepidopterans for DNA analysis.

17 February 2018 5,257 2 View

Please can someone help for the name of this species of moth?

I attach the adult and its larva.

09 August 2017 3,335 5 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

Purification of proteins from baculovirus-infected insect cells?

18 February 2021 6,665 6 View

Extraction of DNA from insect samples conserved in silica gel?

Hi everybody, can anybody suggest how to extract DNA from insect samples conserved in silica gel (in my case, mosquitoes)? Does anybody know a commericial kit which does that or a particular...

10 February 2021 3,392 4 View

How do I prepare and store insect samples for JH measurements?

I need to preserve termite samples for future quantification of juvenile hormone in their bodies. Or extract the Juvenile Hormone and keep that samples stored for future quantification. I may need...

09 February 2021 1,995 1 View

Working with insect primary cells in cell medium and in saline solution?

I work with insect primary cells, which I let grow in TC100 insect medium. For fluorescence measurements I have to discard medium (because of its fluorescence properties) and give a saline...

28 January 2021 3,867 1 View

How to extract a single stranded DNA from a double stranded DNA sample isolated from stem borer(rice affecting insect) ?

How to extract a single-stranded DNA from a double-stranded DNA sample isolated from stem borer(rice affecting insect)? As I need to amplify ss Dna using a COX-1 marker having primer sequence as...

22 January 2021 3,424 3 View

Detection of insect eggs in stored and processed products?

Currently, in order to identify insect eggs in stored or processed products (such as contaminated flour or wafer samples), staining was performed based on the method mentioned in the below...

15 January 2021 6,362 5 View

Can any one suggest the name of Litchi insect/predator?

Is it a type of Ambush bug or what? Thanks

14 January 2021 9,381 3 View