How to resolve the negative peaks in RI detector ?

I am using Phenomenax rezex column with 5 mN H2SO4 as eluent flowing through the column at flow rate of 0.6 ml/min. RI temperature is 36C and column temperature is 60C. At the time of glucose...

17 November 2020 2,297 4 View

How to separate mixture of two organic compounds?

I have mixture of two organic compounds one with molecular weight 226.41g/mol and other is 166.22 g/mol. Can I use size exclusion chromatography for the difference of 60 g/mol? Kindly do let me...

04 December 2019 9,952 3 View

Is it possible to carry out the analysis of gases using HPLC techniques?

I am currently working on greenhouse gas emission from agricultural soils, I would like to know whether it is possible or not to analyse greenhouse gases such as carbon dioxide and nitrous oxides...

30 April 2016 7,207 3 View

What is the best method for preserving the viral samples in good condition for longer duration?

Generally, viral samples, for example influenza sample, degrade after sometime during preservation for a long time. I want to know the method or technique, besides cDNA technique, to preserve it...

27 May 2013 7,388 4 View

How to block the fusion of the E protein of Dengue virus with the heparin receptor on human cells?

Is it possible to block the fusion of the E protein of dengue virus with heparin receptors by using natural products like extract of basil leaf or papaya etc?

31 December 2012 9,669 2 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

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 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

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

Purification of proteins from baculovirus-infected insect cells?

18 February 2021 6,665 6 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 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