ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Are any database collected cell penetrating anticancer peptides ?

Dear researchers, Anticancer peptides(ACPs) with cell-penetrating properties can enter to cytoplasmic space of cancer cells and induce cell death. but, I could not find the database that...

29 January 2021 707 3 View

Can anodizing of stainless steel 304 make its surface non-electrical conductive?

Anodizing of SS304 creates a thick oxide layer on that. Is this layer non-electrical conductive? What thickness should be obtained in order to make the surface non-electrical conductive?

01 January 2021 3,359 4 View

How can psychoanalysis make solution for social issue?

how can we use psychoanalytic perspective for describing, meaning, understanding and solving social problems(such as ethical problems, political problems, ...)?

27 December 2020 9,314 13 View

Who is to be cited in the research/review articles?

When an author want to cite the work/idea/theoretical model/results/facts for publication purpose, who should s/he cited (giving citation credit)? (a) the first author (pioneer) who...

09 November 2020 6,929 3 View

What is the best method to zoning and classify the biomes, and ecoregions in a province?

Hi everyone What is the best method to zoning and classify the biomes, and ecoregions in a province? How is it done? I look forward to your valuable answers. Thank you

06 November 2020 5,614 11 View

Is there any advantage on adsorption process to be done at solution pH near to 7 (neutral)?

Generally, it has been reported that some of the adsorption phenomena are of pH dependent. Some studies have shown that the effective removal of contaminants from wastewaters/aqueous media can be...

04 November 2020 8,852 5 View

How can I do y-scrambling( y-randomization) to test the developed machine learning-based model ?

Dear researchers : y-randomization is one of the special tests of machine learning approaches. I want to evaluate my developed machine learning-based models, to predict active peptides, by...

26 October 2020 1,196 2 View

Which type (kind) of water is suitable for preparation of agar media for microbiological purposes?

Between tap water, distilled water, double distilled water and deionized water, which one is mostly recommended to be used to prepare agar media for microbiological purposes?

25 October 2020 6,093 34 View

What is the difference between series resistance and resistance in solar cells?

16 July 2020 7,187 2 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

For primer efficiency calculation can we use positive control(in which gene is abundantly expressed) and perform the analysis?

My sample of interest is sperm RNA(less abundant and highly fragmented RNA). In that case, to determine the primer efficiency, can i use tissue samples (in which the gene is abundantly expressed)...

11 November 2020 758 3 View

Hello, How long can rat sperm survive in saline solution after leaving from the testis after sacrification?

How should I measure motility, what is the process? Should I put it in the incubator (37 C) immediately after sacrification? Thank you from now.

28 October 2020 280 4 View

Checking purity of sperm suspension?

I have sperm cells extracted from epididymis of a mouse. I would like to check and quantify their purity. My first idea is to use an intercalating dye like Hoechst and then see what fraction of...

25 October 2020 8,600 1 View

Do you know someone with knowledge of France in 1700s?

I am in search of those who are familiar with the French & European societies at the end of 1700s to join me in writing a book as my co-authors. The book is on Marie Antoinette. Looking at...

01 October 2020 9,095 5 View

Can RG Members Comment on whether Infertility in Men is associated with Tight Pants versus Loose Pants?

Male Infertility is a major public health concern worldwide and there had been heated debates to date on the above question; in other words is Boxers vs. Briefs related to Increasing Sperm Count...

21 September 2020 2,398 12 View

How to stop sperm cells clumping during fixation?

I've been optimising a flow cytometry protocol to assess intracellular proteins in human sperm. Most published methods describe fixing with 4%PFA after washing and pelleting the cells. I am...

06 September 2020 2,914 2 View

Is written consent required for conducting survey studies?

Planning to conduct a survey study at PHC/CHC level. Is written informed consent mandatory for this?

27 August 2020 6,566 7 View

Rehabilitating Zwicky 1929 is vital for all ?

13 July 2020 5,593 17 View

In Int'l Mktg course, I want my students to talk to faculty/students in other parts of the world. Can you join or pass a lead?

In the International Marketing course at Clarion University of Pennsylvania, I want my students to get an opportunity to talk to students in other parts of the world to understand their culture...

10 July 2020 2,902 19 View