Are the UV-Vis spectra of capped and uncapped nanoparticles different?

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In centrifugation, can Low rcf for more time can fullfill the need instead of high rcf for short time?

I need to centrifuge a nanoparticle solution and it usually get pelleted at around 13000 rcf. But our centrifuge has the maximum speed of 7000 rcf when 50 mL centrifuge tube is used. So will it...

10 November 2019 2,777 7 View

Do anyone have Miller indices values against 2-theta values of Se Nanoparticle XRD pattern?

I need the standard chart for Miller indices values against 2-Theta values of Se Nanoparticle.

06 July 2019 4,696 7 View

Will you please suggest me a good software for XRD data analysis?

Will you please suggest me a free of cost software for XRD data analysis? and also please suggest me the procedure to calculate the Miller indices from XRD data.

05 June 2019 9,837 8 View

Can someone tell me the cost per barrel of biodiesel produced from microalgae in current days?

Can someone tell me the cost per barrel of biodiesel produced from microalgae in current days? is there any survey report?

03 April 2019 9,041 3 View

Will anyone give an idea about, how octanol affects bacterial cell?

Actually I have found in some papers that Octanol is used in some product purification from bacteria, but I dont know what is the principle behind this procedure?

02 March 2019 7,449 4 View

Whether capping agent is required in Nanoparticles for agriculture application?

nanoparticle, capping agent, agriculture

02 March 2019 661 5 View

Is nanorh.com trustable for nanoparticle purchase?

It's about nanoparticle purchase

01 February 2019 8,541 5 View

Which species of Mustard is mostly grown for mustard oil in Assam/ India?

08 September 2018 6,749 3 View

XRD and SEM of Nanoparticles

I have synthesized nanoparticles by plants extracts. Then centrifuged and the pellet was dried (sample 1) and the supernatant was also dried (sample 2). Now XRD of sample 1 don't give any sharp...

01 January 1970 10,087 6 View

Did any GM crop got permission for commercial cultivation in India?

Though a lots of Transgenic plants with high yielding and environmental stress resistance capacity has been generated by many scientists, till today did any transgenic crop got permission for...

01 January 1970 2,422 3 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 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

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 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

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 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