How much free radicals can reduce yield in desired conditions for growth?

The presence of free radicals in photosynthetic and respiratory systems is inevitable, even in optimal condition for growth. In these conditions, How much free radicals can be loss in yield?

02 March 2019 4,564 9 View

Which photosystem and chlorophyll are more sensitive to stress?

photosystem I (in Stroma) or photosystem II (in Granna)? chlorophyll a or chlorophyll b?

02 March 2019 9,792 13 View

What is the best data analysis method for an experiment that has not replication?

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10 November 2018 1,959 0 View

How to Break a Part of the Vertical Axis in Excel?

Microsoft Office Excel 2010 As Like Attached Image

08 September 2018 6,623 1 View

In the absence of stress conditions, Which factors can change the chlorophyll a/b ratio?

For example, in studying on leaf spray with different concentrations of phytohormones or nutrition solutions...

05 June 2018 2,140 5 View

Can I use LC/MS for qualitative analysis an unknown solution?

Our target substances are soluble in water. The concentration of our target substances in the solution is very low.

08 September 2017 1,949 1 View

I need some information about pyromeconic acid.

Biosynthetic pathway, Metabolism and ...

04 May 2017 152 0 View

Which of solvents is better in order to extraction the black cumin oil?

11 December 2016 7,496 0 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to seperate PEG-4000 from aqueuse phase ?

Hello everyone , Please tell me if It possible to seperat POlyethelyn glycol -4000 from an aqueuse media by other ways rather heating . I have tried salting out by electrolyte solution to...

22 February 2021 7,285 5 View

How to analyse monosaccharide compositions from soluble fiber?

I have tried to hydrolyze the sample using 2 M TFA at 100C for 24, 48 h and 120C for 2 h. From these conditions, the HPLC results showed that peaks were not separated into monosaccharide. I found...

17 February 2021 5,230 1 View

No title

Hello. I ask for help - I need to get lithium tetraborate (soluble salt) from lithium carbonate and boric acid. In literature, everything seems to be simple - mix, ignite and - it's done. But it...

16 February 2021 9,523 2 View

Is There are any idea to achieve H NMR signals for swollen compound ??

the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please

16 February 2021 8,801 3 View

Which non-coordinating solvent dissolves anhydrous Iron(II)chloride?

Hallo, i am looking for a non coordinating solvent that dissolves anhydrous FeCl2 for a synthesis in which i can not use solvents like thf, pyridin etc.. I already tried benzene (no solubility),...

11 February 2021 6,105 1 View

DMSO concentration in cell culture? Precipitating while PBS is added?

I am testing a compound on RAW 264.7. the compound is soluble in DMSO. but to ensure that final concentration of dmso is not more than 0.1%, we are first dissolving it in dmso and then diluting it...

11 February 2021 1,136 3 View