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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Why the digested solution of e-waste with aqua regia was diluted with 0.5M HNO3 before determine the metal contents using AAS or ICP-OES?

Several studies diluted the digested solution of e-waste but what is the purpose of this procedure?

31 January 2023 5,056 1 View

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 8,109 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...

07 October 2019 2,903 2 View

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 6,225 1 View

Is protein G effect human autoimmune?

Protein G is known as a substance extracted from bacteria and important due to its high specificity to immunoglobulin (Ig). Just concern on immune respond towards human body.. Please advice me.....

25 November 2018 8,828 0 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 8,720 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 6,042 3 View

What is the best concentration of Triton X-100 that can be used to lyse murine macrophage (e.g J774.2)?

15 August 2016 1,249 7 View

RT-PCR suggestion??

I am doing RT-PCR from human blood sample with the hBeta actin. But the bands (in different groups) showing different expression. some are high some r low. In case of beta actin it should...

14 August 2016 3,455 1 View

Netzsch Laser Flash Thermal Analyser (LFA 447) availability (Malaysia) ?

Assalamualaikum and greeting everyone, Do any of the researchers here especially from Malaysia that currently use or at least know the availability of Netzsch Laser Flash Thermal Analyser (LFA...

25 May 2016 7,798 3 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Do we save MSMEs of the Nation ?

SMEs are backbone of the country's white economy, most of them are II generation entrepreneurs and migrated from family owned business policies, and having sufficient higher educations for...

01 August 2024 5,562 2 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

Simulation of metal drawing by Abaqus with UMAT?

Hello, colleagues. Recently, I have been working on a metal processing simulation with my UMAT in Abaqus. I have outlined the corresponding simulation, but I keep encountering issues that cause...

30 July 2024 7,062 1 View

How gold procurement?

Please note it

29 July 2024 4,920 3 View

How to make the concentration measurements for the hydrogen absorption/desorption in the metal hydride?

Hello Everyone! I am trying to create a metal hydride system where I am trying to create a temperature control with the emphasis on measuring the concentration of the hydrogen with the hydrogen...

29 July 2024 7,577 2 View

How gold procurement?

https://www.cleanteqwater.com/resources/case-studies/gold-mine-australia/

29 July 2024 5,161 1 View

Dear colleagues, Can anybody by chance have pdfs of two books in Chinese: Liu (2003) and Zhang et al. (2004)?

Liu Zhaosheng. 2003. Triassic and Jurassic sporopollen assemblage from the Kuqa Depression，Tarim Basin of Xinjiang，NW China. Palaeontologia Sinica， New Series A，no. 14（Whole no. 190）....

28 July 2024 6,390 1 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

How can biogenic synthesis techniques be applied to develop plants capable of extracting and processing heavy metals from contaminated soil, and wha?

Understand how to utilize biosynthesis to develop natural and sustainable solutions to address heavy metal pollution and improve environmental and agricultural conditions.

26 July 2024 1,469 1 View