23 Questions 26 Answers 0 Followers
Questions related from Surendra Nath
Respected scientists, I have a done an experiment on papaya fruits with three different factors A, B, and C. In this observation on firmness was observed every day. Each day's observation was...
09 September 2017 6,522 0 View
Dear Researchers and scientists, I am a budding researcher who is yet to make impact on good internationally reputed journals. But I lack in the art of writing a good succinct covering letter...
07 July 2016 1,041 5 View
Friends, I am highly confused for choosing a journal for publication of my research work. I am from horticulture background and did work on plant pigments and their pharmacological importance. So...
04 April 2016 10,079 5 View
Friends, can SPME fiber be used for doing a GCMS profiling of essential oil compounds from flowers and leaves of a plant (eg .Marigold in my case), if so then which type I should use for...
09 September 2015 9,842 1 View
Friends, I am doing research PhD work on organic nutrient and weed management aspects in little millet and barnyard millets for which getting reference material and thesis is very difficult?. Some...
09 September 2015 2,589 0 View
Friends, Want to use 8-HQC for a small floral preservative experiment for my class, but the only availble chemical is 8-HQ and not the 8-HQC. So how to prepare it?..and also do Citric acid has any...
09 September 2015 2,747 0 View
friends, while studying certain analytical techniques I came across using ice-cold acids or ice-cold organic solvents etc. what is the significance in using such ice-cold solutions?
08 August 2015 8,847 1 View
I have extracted marigold oleoresin using petroleum ether and have confirmed the presence of lutein but want to quantify it. And also for nanoencapsulation purpose how to seperate pure lutein from...
06 June 2015 6,872 4 View
this website contains a host lot of important articles.....I am from India and feels very difficult to access them...please help I am a research scholar and hv lots of related articles.......
05 May 2015 1,978 0 View
how they are important for finding a significant treatment. Please help, statisticians find whether the given data is a genuine or arbitrary simply by seeing the CD and SeD and Sem values. I dont...
05 May 2015 4,720 14 View
How can statisticians say that the given data is improper by simply observing these values? What is their importance exactly? Can anyone please help me in understanding the trick behind it?
03 March 2015 10,128 0 View
The parameters are petal mass, temperature, time- for extraction Can I use variety and type of solvent as factors / parameters also in RSM. If so how can I predict their values?
03 March 2015 5,379 7 View
I'm studying on marigold oleoresin extract which contain lutein. For TLC, HPLC etc. studies I need standard to confirm its prescence. Sigma standard is available but it's too costly. INR...
03 March 2015 7,447 11 View
Friends, I am willing to try to extract the essential oil ingredient present in the leaves of Clerodendron inerme......the popular hedge plant....in tropics and topiary......i have tried...
03 March 2015 4,285 5 View
Can any one tell me the what is the average content of proline chlorophyll a chlorophyll b total chlorophyll content in bougainvillea and nerium plants under normal conditions as well as stress...
03 March 2015 9,867 2 View
most of the author quotes that lutein and its isomers are best identified in and around 420 -450 nm range in the sample. but in my case I have been getting peaks at around 300-350 nm range..I dont...
03 March 2015 4,718 2 View
Also please help me in getting the chinese articles in english?? help will be appreaciated............plzzz
02 February 2015 8,124 4 View
Mobile system was Acetone: Petroleum ether: Methanol Please help in this TLC anamoly. please see the image attached. No spray have been done on the TLC shown Also I want to interpret the TLC for...
02 February 2015 3,200 1 View
cytological studies?
01 January 2015 7,646 0 View
Is saponification a must for studying lutein in marigold.....why is it necessary.....i have got the marigold flower petal extract containing lutein from soxhlet....now i have to go for...
12 December 2014 7,283 0 View
The technique is needed for lutein extraction from marigold....which is my current research topic......
10 October 2014 4,258 2 View
Do I have to go for chromatography or spec? And if chromatography then which one? And if that particular then what are all the things and information that I should have for the analysis? I may be...
10 October 2014 6,330 4 View
I'm doing my research on lutein extraction from marigolds, and further its encapsulation. I have many articles regarding different methods, especially soxhlet, enzymatic extraction and...
10 October 2014 9,145 6 View
