Can stainless steel be used as a substrate for polymeric thin films in SEM?

A Polymeric thin film is been made by drop casting method on the stainless steel substrate. Now I need analyze the produced thin film by SEM. So can I use this one, I mean the steel as a substrate...

24 December 2020 2,732 7 View

How to obtain a wet deposited film by spin coating method?

I tried to deposit some polystyrene thin films by the use of spin coating method. I should mention that the solvent which I used was toluene. The films which I obtained were totally dry. While I...

14 December 2020 4,655 5 View

Do you think that COVID-19 is completely disappear after vaccine discovery?

one year age and COVID-19 was the main subject that distracts the human minds. before few days, a vaccine was completing its trial experiment to be used in prevention among human beings. do you...

07 December 2020 9,422 8 View

Saturation temperature and operating pressure?

22 November 2020 6,151 2 View

Do you agree with beall s list of predatory journals?

some said that beall s list is not an official web-page, so not all reported information are true. do you agree or disagree with this? and how you evaluate its list of journals and publishers?

12 August 2020 9,543 5 View

Journals interested in publishing about coronavirus disease?

do you have any idea about the name of journals interested in publishing articles related to COVID-19?

22 May 2020 4,842 8 View

How to interpret Rarefaction curves? What does OTU mean?

Hello! I am trying to interpret this rarefaction curve as I am reading an article regarding the relationship between gut microbiota and diabetes, but I can't understand the figure. So if anyone...

25 April 2020 5,038 8 View

Image features extraction?

What are the features that extracted by using orthogonal moments ? What is represent ?

18 February 2020 8,239 2 View

Discontinued-sources-from-Scopus_January2019?

Dear Researcher Take care, Enclosed you will find the list of journals discontinued in Scopus from January 2019

21 February 2019 9,877 3 View

Do you think, The value of the RG-Score true or fake ?

Dear RG members Some RG members have a considerable high RG score, however they do not have great number of publications and citations. what is your opinion? what is the suitable criteria to...

01 February 2019 9,868 4 View

Gromacs force field and water model recommended for protein hydrophobic study?

Dear All, I received a comment from reviewer about asking me selection of force field and water model. I choose OPLS-AAL and 3-point water model. They mentioned the combination of OPLS-AAL and SPC...

13 February 2021 1,364 3 View

What could be possible reason of higher Drug Concentration of Liposomal formulation stability samples over time?

Hello Everyone! I have prepared liposomal formulation using Rotary Evaporator method followed by dialyzed the liposomal Suspension in Phosphate buffer to remove the un-encapsulated drug. After...

25 January 2021 7,752 4 View

Why polyethersulfone membrane is hydrophilic?

Polyethersulfone membrane are generally hydrophilic. How can I explain this in terms of chemistry, molecular structure and functional group?

03 January 2021 6,321 7 View

How can remove SDS surfcant form nanomaterials?

If I use hot water , ethaol and centrifugation to remove SDS surfcant form nanomaterials, only a little sample is left. Someone said PVP will works, why? Who can solve this problem and even do...

28 November 2020 1,959 4 View

I am looking for polymers/biopolymers with high hydrophobicity and high gas permeability. Can any one recommend any types of polymers/biopolymers?

I am looking for polymers/biopolymers with high hydrophobicity and high gas permeability. Can any one recommend any types of polymers/biopolymers?

25 November 2020 5,887 3 View

How to remove stickiness of Sylgard?

Hello, everybody I have tried to obtain a hydrophobic surface by Sylgard-184 (PDMS). I dissolved PDMS in n-hexane and applied it to the glass substrate, then dried at 70C over night. Finally,...

17 November 2020 7,984 3 View

Hydrophobic treatment of hydrophilic spiral-shape tubing?

I was wondering if there is a simple and easy way to treat the tubing surface to make it highly hydrophobic. Here is what I am trying to do: the spiral-shape tubing will be filled with...

09 November 2020 153 3 View

Should these surfaces be hydrophobic?

I am trying to coat PDMS and Polyimide with (3-mercaptopropyl)trimethoxysilane and (3-glycidyloxypropyl)trimethoxysilane respectively. I was wondering whether these surfaces should exhibit a...

29 October 2020 5,970 4 View

How to cut the thrombin cleavage site if it is hindered by hydrophobic region?

I'm currently doing protein purification. my protein size is around 42kDa, however, my protein is attached with fusion tag which are Trx-tag and His-tag at the N terminal. I did optimize my buffer...

12 October 2020 2,083 3 View

Why is my protein precipitating after isolation?

My protein is 28kda and is some what hydrophobic with a pI of 6 and has a his-tag. We typically purify in 1x TBS with low salt at pH 7.5. During dialysis and or concentration the protein...

18 September 2020 6,493 11 View