How can I incorporate the exposure of mixtures of nanoparticles in a risk assessment process?

More Arun Kumar's questions See All

Distance between two elements in elemental mapping image?

How do we get distance between two elements in elemental mapping image? I am interested in knowing how close they are or how far they are?

06 July 2018 3,924 0 View

Theoretical estimation of nanoparticle number concentration?

How do we calculate nanoparticle number concentration in a liquid sample theoretically?

01 February 2018 7,927 2 View

Issues in formulating water reuse guidelines?

Ref:Investigating long-term effect of nanoparticles on growth of Raphanus sativus plants: a trans-generational study How much data do we need?

09 October 2017 5,062 3 View

Is anyone familiar with quantitative microbial risk assessment?

Are you interested in learning Quantitative Microbial Risk Assessment? What aspects are important and how to go about them? Learn and may contribute in: International Perspectives on Quantitative...

02 March 2015 9,367 2 View

Are standards for nanomaterials in water available?

Emerging contaminants such as nanomaterials pose health risks from water medium and thus their regulation and control in water are required.

07 August 2014 4,827 3 View

How can I measure nanoparticles in a mixture?

Occurrence issue.

04 May 2014 1,917 7 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

E-commerce businesses, COVID-19 and Entrepreneurial Strategies (innovation, proactiveness and risk-taking)?

Hello: I am looking for articles that address e-commerce businesses and COVID-19 survivors, as well as Entrepreneurial strategies that reflect e-commerce businesses. Blessings Evelyn Dempsey

05 August 2024 5,332 3 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Can i quantify a nanoparticle encapsulated in cell culture medium by hplc?

Hello, if you made a transwell assay where you incubate the cells with a nanoparticle-encapsulated drug and considering that in the oposite compartment you'll have both the free and encapsulte...

03 August 2024 2,730 1 View

What Are the Best Alternatives to the MTT Assay for Assessing Cell Toxicity of Colored Herbal Extracts?

I am currently investigating the cytotoxicity of a series of herbal extracts, and like many studies, I have been using the MTT assay to evaluate cell viability. However, I am encountering a...

31 July 2024 193 4 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

Addition of EDTA during the synthesis of copper nanoparticles to prevent it from being oxidized?

I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...

28 July 2024 8,027 3 View

Optimal siRNA Volume for Complexation with Liposomes in a 2.5 mL Solution with 10 mg/mL Lipid Concentration?

How much volume of siRNA can I add to 2.5 mL of liposomes with a total lipid concentration of 10 mg/mL?

27 July 2024 6,920 1 View

How can I measure arsenic concentration in a patient blood?

I intend to get an economical and accurate LAB TEST to measure arsenic concentration in blood sample.

23 July 2024 3,654 2 View

Arun Kumar

I will see these refs and would like to see how these can help. the issue is relevant and many regulatory agencies are working on it.

Henri Heussen

If you are dealing with workplace exposure you can try nano.stoffenmanager.nl (available in Dutch, English and Finnish, German in August 2014)