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

More Marek J Kasprowicz's questions See All

Why does atoxigenic Aspergillus flavus AF36 not make aflatoxin?

Is one of the aflatoxin (afl) genes mutated/not expressed? If so, which one?

09 February 2024 2,465 4 View

I have two google scholar accounts. Can delete one of the accounts?

The account I want to delete has an out of date email address for me.

16 November 2023 8,187 0 View

How to get Nissan Chamical or JSR Corp performance materials in Europe?

I am currently doing some R&D prototyping. I need following ingredients from Nissan Chemical: Nissan Sunever polyimide SE 7511L (ca. 100g/100ml) Sunever solvent from JSR...

13 November 2023 2,435 0 View

We are looking for erinacine A [pattern] - we want to buy, please contact [email protected] ?

we are researching lion's mane

01 November 2022 7,115 0 View

What is the best protocol for plasma separation, if I haven´t got a refrigerated centrifuge?

Hi, I have one technical question. What is the best protocol for plasma separation if I haven´t got a refrigerated centrifuge? I found the protocol: Centrifuge the samples at 2000 X g for 15...

25 May 2022 5,366 0 View

Rigaku Cross beam optics problem, anyone can help?

Hi, Im using Rigaku Ultima 4 diffractometer. Cobalt source, Cross beam optics, paralel beam geometry, soller 5deg, variable div slit, stripe detex ultra detector. For the last several years...

22 April 2022 8,642 0 View

Could someone suggest a suitable positive control for my in vitro translation experiment?

Hello, I'm planning to perform an in vitro translation experiment to evaluate a coding potential of an RNA transcript (cca 1500 nt), predicted to code for a 8 kDa protein consisting of 68 aa...

03 February 2022 9,400 1 View

Batch Injection analysis. Can I use multiple pulse amperometric detection in software Nova 1.11?

Hello. We have Autolab PGSTAT302N and also Autolab PGSTAT101 in our lab. Both are connected to software Nova 1.11. Is it possible to use multiple pulse amperometric procedure in this type of...

01 December 2021 2,741 0 View

Do you know any software to perform thermal field analysis based on borehole data?

Could you recommend any software, open source is most welcome, for 1D integrated analysis of the subsurface thermal field, including heat flux analysis, based on borehole data, thermal...

20 October 2021 4,678 4 View

How to reduce the growth of fibroblasts in keratinocyte culture?

I cultivate keratinocytes isolated from the foreskin. Initially, after the isolation of keratinocytes, only single fibroblasts are visible, but after two passages, the fibroblasts cover most of...

13 July 2021 5,532 2 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