DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate?

Hello all... I m looking for a method for assay DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate in aqueous samples (cosmetic product) using GC- MS mass spectrum HP- 5 ms U.I 0.25...

13 February 2021 7,629 3 View

What is the right statistical test?

I have conducted a study in which the participants are divided in two separate groups according to the language of instruction. Also, they are divided in three different groups according to age....

04 January 2021 1,361 17 View

Can anyone suggest a PEG replacement in toothpaste formulations?

I am aware that PEG has unique properties however I am just reaching out there to see if anyone can suggest a valuable replacement. I was thinking Na PCA. Thank you

16 March 2020 2,729 3 View

Mudvolcanoes, fractures, gas and thermal water. Which are the relationships between these in pre-Apennines areas (central italy)?

Are Mudvolcanoes linked to rep thermal water? And, which are their connections with sinkholes areas?

25 September 2019 8,864 3 View

Why did you publish our MN without our pemission?

Dear Sir/Madam, this is an e-mail that I am going to send to your attention. It is mandatory that you cancel from your web site our manuscript submitted to the journal Cells. The manuscript...

16 April 2019 1,611 1 View

How would you interpret p-value using Egger's regression test?

Do you believe p-value

20 November 2017 5,225 7 View

Hi, could anyone give me some advice to clean the glassware from the excess of polymer urea-formaldehyde ? Thanks

The cleaning of the glassware after the synthesis of PUF particles is very difficult and almost impossible to remove completely the polymer attached to the walls, neither with acids, neither NaOH...

14 May 2017 5,577 3 View

Why i can't transfect huh-7 cells with an ad5 adenovirus vector?

06 April 2017 4,301 2 View

Does anyone knows how to clean a silver foil working electrode from any organical traces?

07 January 2016 6,026 6 View

Which is the best method for attaching CeO2 nanoparticles in graphene oxide hydrogel?

I have prepared graphene hydrogel from aqueous dispersion with ascorbate acid.

19 November 2015 8,658 3 View

Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...

24 February 2021 357 2 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

How to dilute Toxin-DMSO solution?

I have a concentrated solution of a toxin(50 micromolar) in DMSO 100%. I need to dilute it inorder to dilute both the toxin and DMSO wich can be toxic to cells. Which would you guys recommend to...

19 February 2021 7,447 2 View

Can I use the Chlorophyll stability index (CSI) to calculate the stress potential of cyanobacteria that are under stress?

I want to calculate the stress potential of cyanobacterial cells that are inoculated with antagonistic bacteria. My results showed that there is a drastic reduction in the chlorophyll content of...

23 January 2021 331 3 View

Can someone help me to improve the MCF-10A growth?

18 January 2021 7,640 3 View

Does the Kubelka-Munk function F(R) represent actual absorbance of UV-Vis reflectance spectra of cyanobacteria?

20 October 2020 4,990 1 View

What is the average life span of Cyanobacteria?

Is there any difference in the life span of current variants of this evolutionarily ancient phototrophic bacteria and the pre-historic ones.?

11 October 2020 6,845 5 View

How to successfully produce agarose microwells with PDMS stamp?

05 October 2020 3,696 3 View

How can I differentiate between cyanobacteria and microalgae in agar plates?

I'm trying to isolate cyanobacteria from fresh water and soil. I've plated several dilutions of my samples into BG11-agar plates and I have a mixture of green colonies/halos and brown stains which...

06 September 2020 8,959 4 View

Is microsatellite study is useful for phylogenetic study of cyanobacteria?

Which is one is better in between 16S rRNA and microsatellite phylogentic study?

28 July 2020 1,633 2 View