Does anyone have experience doing anti-inflammatory property measurements using interleukin-8 (IL-8) gene expression inhibition test?

More Jovale Vincent Tongco's questions See All

Can anyone help me access this book or a portion of it?

Oliver, B. (1959). Medicinal Plants in Nigeria. Nigerian College of Arts, Science and Technology, Ibadan.Thanks in advance! Regards.

11 December 2014 812 1 View

Can anyone help me obtain this paper?

I need this article as main reference. I requested the full text from the authors here in RG but it seems like they are not yet members of this site. Thank you very...

06 July 2014 8,562 3 View

Does anyone have experience doing tyrosinase inhibitory measurements of crude plant extracts or isolated compounds?

I am looking for clear-cut protocols for the quantification of tyrosinase inhibition of plant extracts or isolated compounds from plant sources. What are the differences if crude extracts were...

02 March 2014 4,711 4 View

Is it possible to extract Cholecalciferol (Vitamin D3) from plants?

I may have detected vitamin D3 from my plant extracts using GC-MS. I searched the literature and came up with studies that say it's possible and others that says otherwise. What is your expert...

01 February 2014 7,561 11 View

Do you have any procedures or papers regarding analysis of phenols using HPLC-MS/MS?

I am planning to profile the phenolics in my plant extract using HPLC-MS/MS.

09 October 2013 5,623 4 View

UV-Visible Spectra Database - can anyone help?

Does anyone know a free online UV-Visible spectra database where someone can compare and verify their experimental spectra with? I am dealing with organic compounds (e.g. phenolics).

08 September 2013 2,249 12 View

Column chromatography of phenolics?

Can anyone provide some relevant information on using column chromatography in separating phenolics from crude plant extracts? Is it ok to use silica gel or do I have to use another type of...

08 September 2013 5,518 25 View

Does anyone have experience with separating phenolics via column chromatography?

Please give me some pointers and things to consider in phenolics separation using column chromatography. What are your experiences in doing so? What specific solvents did you use to elute your...

07 August 2013 6,068 7 View

Does anyone have experience with qualitative and quantitative determination of cyanogenic glycosides in plant extracts?

I am planning to add either a qualitative detection or quantification of cyanogenic glycosides on my research. Please help me find protocols and methods in doing such analyses. Depending on the...

06 July 2013 10,091 6 View

ACE inhibition assay

I want to test the ACE inhibitory effect of my phenolic extracts. Can you give me a proper and suitable protocol for doing it? My phenolics came from the leaves of a plant material.

06 July 2013 6,470 10 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

The Bigger You Are, the Harder You Fall (some lessons from Dinosaurs)?

Evolutionary fitness is based on an organism’s ability to adapt rapidly to changing environmental circumstances. Large-bodied mammals have been equipped with large brains (and hence a high...

06 August 2024 4,849 2 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

06 August 2024 5,473 2 View

How do soil microflora interact with plant roots and influence plant nutrition, health, and productivity?

06 August 2024 9,618 3 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

State of art in natural disasters?

Are increasing the costs of disasters in the affected countries.

01 August 2024 1,794 2 View

How can I get my Granzyme B flow cytometry stain to be consistent?

I have used PE and PE-Dazzle 594 fluorochromes and have managed to get NK cells to properly show GranzymeB expression after 4 hr PMA/ionomycin stimulaton, but for some reason my CD8 cells in the...

01 August 2024 7,677 2 View

Xiaoping Yang

Please send you problem to a expert:

Subo Su MD PhD, Professor and Chief

Lab. of Immunology

State Key Laboratory of Ophthalmology

Zhongshan Ophthalmic Center, Sun Yat-sen University

Guangzhou, China or Senior Scientist, Lab. of Immunology NEI/NIH

Email: [email protected]

Jovale Vincent Tongco

Thanks for the contact information, Xiaoping Yang. Did he/she have a ResearchGate account? Do you personally know him/her?

Marcia Moss

SA biosciences sells kits for this.