After 72 hours of mixing fusarium spores with AgNO3 and water, the solution changed color to red. The spores haven't germinated. What happend?

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Could you suggest me good nanotechnology conferrence in Europe in 2016?

I looking for good conferrence about production and applications of nanomaterials (especially nanosilver) in Europe in 2016

10 November 2014 3,984 0 View

I need a diagram of the optical path in a spectrophotometer Perkin Elmer Spectrum BX II. Thanks

We have problem with He-Ne Laser

09 October 2014 3,597 0 View

How can I measure the number of silver ions in nanosilver water based colloids?

I uses arc discharge method to produce nanosilver in pure water and in citrate solution. I don't have an auto-titrator.

03 April 2014 9,980 5 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

Could it be a cell culture contamination?

Hello everyone! I observed in my culture (htert-RPE1 cells) an orange- red particle at the bottom of the dish. It is visible to the naked eye as a very very small red dot. Could it be a...

09 August 2024 2,824 3 View

How do soil microflora interact with plant roots and influence plant nutrition, health, and productivity?

06 August 2024 9,618 3 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

How do soil microbes affect plant health and productivity and how do plants interact with soil microorganisms and contribute to soil fertility?

31 July 2024 5,087 4 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

What is the role of decomposers in the cycling of matter in the biosphere and role do soil microbes play in plant nutrition availability and uptake?

31 July 2024 7,921 5 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

How microorganisms are important for maintaining of healthy soil and biodiversity and microorganisms and plant roots contribute to soil formation?

31 July 2024 8,939 5 View