Why unexpected peak before the standard pesticide peak in HPLC?

I worked with procymidone and its metabolites for residue analysis in fruits and vegetables. But, when I injet the stardard vials of procymidone for the calibration curve there is a giant...

08 September 2019 8,845 8 View

Concentration of hexane:ethyl acetate in rotary evaporator?

I use hexane:ethyl acetate (6:4) as solvent for extraction of pesticide from the spiked amount. The pesticide Hexaconazole in acetonitrile (5 ppm) is my spiked pesticide. After final...

02 March 2019 4,439 3 View

Is QuEChERS clean up technique suits for both LC-UVD and LC-MS/MS?

In the recent research articles, researchers uses QuEChERS techniques of extraction and clean up for the plant samples and other food samples with a customized modification. But, they using...

31 December 2018 4,514 8 View

What is the PLS in pesticide use in crops?

In a recent conference I attended, the main theme is PLS of pesticides for minor crops and there is counter talk between PLS and Zero Tolerance. But, due to language barrier I have some...

09 October 2018 7,751 0 View

How to fit the Double Exponential (DE) model for non linear fit?

Double exponential (DE) is a popular non linear model for calculating kinetic degradation of organic molecules/pollutants. In DE model, the two distinctive phase of degradation (fast and slow) is...

08 September 2018 9,882 7 View

What is the Unit of enzyme Laccase?

Copper containing enzyme Laccase unit is based on spectrometric data. How to measure 1 unit laccase for the experimental use. Any reference?

06 July 2018 3,229 8 View

Is QuEChERS extraction in LC-MS/MS shows best recovery analysis?

Looking for any article describing the detailed protocol and published in a smart impact journal having IF 4 or above.

04 May 2018 2,882 5 View

Bound residue of Pesticide?

Looking for article/ref review regarding the pesticide detoxification by bound residue (enzyme coupling of pesticide with humic materials).

04 May 2018 4,042 0 View

Impact factor vs Citation (Open access Indexing), which is better for a new researcher?

Google scholar citation/H index/High IF? Amonst these which one is most prferable for a beginner in the research journey.

04 May 2018 6,199 1 View

DT50 and Half life of Pesticides are same? How to measure these values? Is first order kinetics suits all time with field data?

Searching for any suitable and reliable protocol for the calculation of DT50 of some Pesticides.

02 March 2018 5,285 10 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

How can I edit suggested publications?

Hi there! I regularly receive suggestion about papers and authors that are totally out of my area. Does anybody know how I can fix this? Thank you!

01 March 2021 9,574 4 View

Genome-wide gene identification protocol ?

Is there any book chapter/book, webpage or research article available to understand genome-wide gene identification?

28 February 2021 8,095 1 View

When is it unnecessary to change organisational culture?

As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...

27 February 2021 2,595 8 View