When I add 1 mM B mercaptoethanol with 1 mM KAuCl4, a white precipitation occurs straight away. Is that the thiolate-protected gold clusters ?

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DNA Extraction from old clot blood?

I want to separate DNA from human old clotted blood . I haven't any idea how to extract DNA from it. Your kind expertise and thought would be appreciated.

07 October 2020 7,871 2 View

What is the latest trend or updates in the study of Gamification in education, especially in enhancing engagement and motivation?

Seeking the latest development in gamification research particularly in education whereby gamification is used to increase student engagement with the lessons and later improve their motivation to...

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How to check secretory protein concentration from cell culture media by spectrophotometer?

I am going to culture a cell line with 20% FBS in IMDM medium. Those cell will secrete protein. I need to check the protein concentration from the culture medium by using spectrophotometer. Can...

17 September 2019 6,047 1 View

How to prepare bacterial complex of several different strain of bacterial mixture to treat mouse.??

I want to treat a bacterial mixture to mice. I have 6 different strain, now how should I prepare the bacterial complex mixture to mouse.

03 June 2018 8,575 2 View

How to calculate spectral selectivity of the film given that I only have reflectance (R%)value?

Greeting everyone, I want to calculate spectral selectivity of my thin film for optical analysis. I already measured the reflectance (R%) but unable to do emmisivity test in due to the...

08 March 2017 5,972 3 View

Quercetin, How much I should administrate to mice?

For quercetin how much I should administrate to mice, and what will be the administration route? Please suggest

16 May 2016 3,454 2 View

What is the most accurate biological sample that can indicate heavy metals exposure?

Human biological sample...

09 February 2015 3,420 21 View

What is the meaning of my Theta-2 theta scan in XRD measurements for Heteroepitaxial growth of GaAs thin films on silicon?

To evaluate the material quality, I have measured the XRD of my as-grown structures by performing theta-2theta (TTH) scan which exhibits poly-crystallinity as shown in the attached file. I have...

04 August 2014 2,679 53 View

How much is the terrace width (w) in graphene films mechanically exfoliated from HOPG?

I would like to use graphene film as a substrate material lying on SiO2/Si. For predicting the growth mode, I would need to know the width of atomically flat terrace. As it is known, the substrate...

17 December 2013 3,279 1 View

What is the difference between 2theta scan and 2theta/omega-scan in XRD measurements?

As we know, there are different scanning modes like 2theta scan (scanning of the diffracted beam) and 2theta/omega (scanning of the incident and diffracted beam). My question is what additional...

26 November 2013 5,553 9 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

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fatal error

16 June 2021 0 0 View

fatal error

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fatal error

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flexibility of polymers chain

effect of double bond on the flexibility of polymers

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Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View