What is the chemical composition of chlorellin?

The chlorellin is the chemical compound which is first extracted from Chlorella vulgaris by Pratt in 1944. Spoehr in 1949 wrote that it is a mixture between fatty-acids and hyrdocarbons and its...

25 January 2021 8,538 1 View

Smart cities and the role of citizens .What is your opinion about the platforms for civic activity ?

What is your opinion about the platforms for civic activity and their influence on the formation of Public Policies? Can platforms provide a better urban environment?

10 December 2020 9,796 12 View

Can I do RNA electroporation without cleanup after in vitro transcription?

I am working on an EMCV like virus with about 8kbp genome. The RNA is usually prepared from digested plasmids by in-vitro transcription, followed by DNase I digestion, followed by P/C and...

02 November 2020 442 3 View

How we can painting with powder by electrostatic method without Faraday effect?

Good day, dear colleagues I have some question for You I'm working on the powder painting of details with difficult geometry. The tribostatic method has a good result about this I try to use...

25 February 2020 2,190 3 View

How to derive multiple gasses from a gas sensor which only has 3 sensing elements?

I'm looking at the datasheet of the MiCS-6814 from Sensortech, and it says it measures Ammonia, Carbon Monoxide, Ethanol, Hydrogen, Iso-Butane, Methane, Nitrogen Dioxide, Propane but it has only 3...

20 October 2019 4,168 5 View

How would you explain a case with unusually strong expression of p16ink4a in human endometrium?

The endometrial biopsy was taken in the mid-lutheal phase of the menstrual cycle from a woman with recurrent implantation failure (RIF). Extremely high percentage of stromal and luminal epithelial...

11 June 2019 2,583 1 View

What is the most useful combination of immunohistochemical/immunofluorescent biomarkers for detection of senescent cells in human tissues?

Identification and quantification of senescent cells in human tissues is a challenging task. It is well known that the application of a single biomarker such as SA-b-gal activity (the most widely...

22 January 2018 9,037 4 View

What is the most appropriate indicator for successful treatment of Lyme disease?

IgM and IgG antibody levels are widely used in the routine practice. However, they may be elevated for years even after successful treatment with antibiotics. What other options ( such as C6...

22 November 2017 1,739 1 View

What are the potential limits for cyclic voltammetry in aqueous electrolytes?

I am performing some CV on organic electrochromic material with three -electrode scheme. ITO with spincoated polyviologen as an working electrode, Ag/AgCl wire in a 3.5 M KCl (aqu) solution as a...

08 April 2014 5,712 12 View

FGF21 abundance in Hepg2'?

I was wondering if someone has detected the mRNA levels of the FGF21 in Hepg2 cells at serum-starved state with low or high glucose by qPCR ? I have used a new primer set, that bioinformatically...

01 August 2013 926 3 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View

How can I remove deep eutectic solvents from the medium?

Dear researchers, How can I remove deep eutectic solvents from the medium? You know, generally, deep eutectic solvents consist of ammonium salts and an acid group. Is there any alternative method...

22 February 2021 3,275 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View

When I reacted Bidentate NS Schiff Base with metal salt (M-Cl2) in +2 oxidation state in proportion of (2:1) , getting sticky product ,, why?

When I reacted Bidentate NS Schiff Base with metal salt (M-Cl2) metal chlorides in +2 oxidation state in proportion of (2:1 Schiff base &metal salt) , i was get sticky material Why ? ---~...

21 February 2021 7,970 5 View

What is the nutrient requirements for E.coli BL21 CodonPlu RIPL strain growing in M9 medium?

Hello. I want to isotopically label the my protein, and I express it in BL21 RIPL using M9 minimal media. It grows extremely slow. I inoculate the colony from a fresh M9 plate into 5ml M9 medium...

17 February 2021 2,852 2 View