How I can isolated salicylates from plant extract using silica gel column chromatography?

I am working on the isolation of salicylates fractions and analgesic, anti-inflammatory activity. kind guide on how to isolate the fraction using the silica column. thank you.

09 October 2019 8,137 5 View

Any body has facility for and LOX, COX 1, II inhibition assay??

Dear All, I am looking for collaboration regarding enzymatic assays on LOX I, II, COX I, II. We have performed analgesic, anti inflammatory activities on plant extract and for in vitro assay...

10 November 2018 5,885 2 View

How to separate crude tannin from plant extract?

I want to isolate the crude tannins from plant. extracts. Kindly share your experience and method. Thank you.

05 June 2018 3,000 0 View

Can I publish a review article on a plant specie on which someone else has already published a review recently. What will be its impact. ?

10 November 2016 4,691 3 View

Can someone advise on how to purify saponins that had been precipitated from methanol extract with acetone?

I have precipitated saponins from methanol extract with acetone. Now, how do I purify these now

06 July 2013 5,480 2 View

I have precipitated saponins from methanol extract with acetone. Now, how do I purify these now?

...

05 June 2013 4,077 36 View

How to identify components of a crude drug sample in HPLC chromatograph?

HPLC

03 April 2013 5,363 14 View

How to conduct GC-MS analysis of Hexane fraction of Plant extract. If Acetylation is necessary or can be performed directly. Please guide. Thanks

Gc ms

31 December 2012 3,556 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Recommendations on homogenizers for RNA isolation?

I will be performing RNA isolation with frozen lung biopsy samples and am in the market for a tissue homogenizer. I am wanting a homogenizer that will fit in a 1.5ml tube. I was looking at the...

24 February 2021 3,623 3 View

What is the optimum time and temperature of blanching and pre-frying potato for frozen fries?

I am helping a local home industry for developing frozen fries from their local farm. I want to know what is the optimum blanching and pre-frying temperature and time for processing. Please also...

23 February 2021 1,616 5 View

How to improve RNA isolation?

Hi, I have been struggling with a weird issue for my RNA samples. I used the Qiagen RNA plus mini kit. For some reason no matter how careful I am with the washes, when I measure the RNA, I get...

22 February 2021 1,286 6 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 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