Is THPS toxic towards methanogenic bacteria? In case it is, is there a "selective (more or less!) biocide against sulphate reducing bacteria?

More Roberta Pedrazzani's questions See All

What is homomenthyl cinnamate?

the molecule name is citated in old literature about organic sunscreen molecules

10 July 2024 5,576 2 View

Why is my QX200 Droplet Reader for digital PCR (ddPCR) not recognizing the plate?

Good morning, I urgently need to perform ddPCR analysis on some samples using a QX200 Droplet Reader that's been sitting in my lab for a while. A technician came in last month to set it up and I...

09 April 2024 4,115 2 View

Wisdom of masses for cuprizone handling?

Hi everyone, I will soon start setting up the cuprizone model of demyelination/multiple sclerosis. Cuprizone is purchased from Sigma in powder form and mixed with regular rodent chow (0.2% w/w)....

09 January 2024 4,302 0 View

Como podemos definir Conforto Ambiental no trabalho? Existe uma definição?

O termo “conforto” pode ser usado para descrever um sentimento de contentamento, uma sensação de aconchego, ou um estado de bem-estar físico e mental. Questões relacionadas ao conforto foram e são...

27 December 2023 9,271 0 View

How to compute bootstrap standard errors with plm in Rstudio?

I have a fixed effects model with only few observations and would therefore like to bootstrap in order to obtain more accurate standard errors. At the same time, I assume SE to be clustered thus I...

21 December 2023 6,797 0 View

Why is maxquant not recognizing uniprot database fasta file?

We also tried to identify peptides from the yeasts used during the fermentation process and for such we tried to apply the Saccharomyces sp. and other Saccharomyces protein databases from UniProt....

09 November 2023 5,863 1 View

Can you give me an hint for my master thesis?

Can you suggest me an innovative empirical research on the capital structure of multinational firms? Anyway, thank you.

23 October 2023 9,184 4 View

Informazioni sull'inquinamento acustico sottomarino?

'in particolar modo vorrei trovare articoli inerenti al comportamento di alcuni organismi marini in funzione del rumore antropico.

17 July 2023 3,728 0 View

Does anyone know how much is an HAWK Pyrolysis, TOC and Carbonate Carbon Instrument?

exploring potential instrument for organic carbon and carbonate analysis

11 May 2023 3,661 1 View

Can I use Prism to calculate Lethal Temperature 50 (LT50)?

I potentially could follow the same steps as to calculate lethal concentration 50. The steps for Prism are outlined here: https://www.graphpad.com/support/faq/how-to-determine-an-icsub50sub/ I...

06 March 2023 4,876 2 View

What precautions should be taken while handling S. aureus enterotoxin Type B in the lab?

I would like to understand potential safety concerns while handling SEB in the lab. Especially while working in animal house facility. Would like to know precautions for handling. Sigma MSDS...

07 August 2024 6,034 3 View

How can I inoculate a lyophilized anaerobic bacteria into the culture medium without an anaerobic chamber?

There are anaerobic gas pak jars and environment providers in the laboratory that provide anaerobic environmental conditions for the growth of anaerobic bacteria. However, there is no anaerobic...

05 August 2024 4,945 3 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

How does the Retention time effect the Biogas Production?

List down the various factors responsible and how does this effect the overall biogas production when it is related to Hydraulic retention time of the digester based on the feedstock?

27 July 2024 4,800 4 View

Question about MHB (Mycorrhiza Helper Bacteria) isolation technique??

What are the most effective isolation techniques for obtaining MHB?? Is there are best approach techniques? I keep struggling in obtaining it.

26 July 2024 7,387 0 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

Pink bacterial colonies?

I am cloning an overexpression plasmid with my protein of interest tagged with mScarlet. After transforming my ligated product into DH5α bacteria and plating on LB agar, I noticed colonies with a...

22 July 2024 5,953 6 View

What does negative readings in spectrophotometer denote. Was testing TSS content of bacterial cultures?

I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...

22 July 2024 9,576 4 View

How to prepare bacterial conditioned media to study the effect of bacterial secretome?

I would like to investigate the effect of bacterial secretome on cancer cells. How do you prepare conditioned media from bacteria?? conditions- time points - media I am looking for the best way...

17 July 2024 3,785 9 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View