Dear Colleagues .. What is the relationship between D-amino acids and the biofilm formation by Salmonella isolates?

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CNS analysis What are CNS (Carbon, Nitrogen, and Sulfur) analysis?

What are the materials/calibration and calculations of CNS (Carbon, Nitrogen, and Sulfur) analysis?

19 March 2024 7,923 1 View

Wilting and blackening of the edge of the leaf and then its death in faba bean?

Please help me, do you have an idea why the edges of the bean leaves withered and then turned black and then the plant died completely within a few days? Note that the age of the plants did not...

28 February 2023 6,037 1 View

Measure the Leaf Area Index (LAI) for Pots?

Please advise me, is there a way to measure the Leaf Area Index (LAI) for Faba Bean planted in pots? I mean a method that is within reach?

04 January 2023 9,624 2 View

Antibiotics with the agar plate?

Is it possible to add antibiotics with the agar plate ( YMA )? or just with (YMB)? Do you know the best antibiotic recipe with ( YMA )?

11 December 2022 8,514 2 View

Can a Reservoir has Multiple bubble point pressures?

In anticline structure carbonate Reservoir of areal extension 31x10 km with 24 to26 degrees. no compartments. And no faces alteration (hydraulic continuty exist) multiple Downhole samples, MDT,...

08 May 2022 9,349 6 View

Why the bacterium Treponema pallidum is difficult to culture?

Treponema pallidum subspecies pallidum (T. pallidum), the causative agent of syphilis, is one of the few major bacterial pathogens that has not been cultured.

03 May 2020 7,910 69 View

What are the differences between habitat and nich?

In the microbial ecology there are two words used to describe the microbial environment Habitat and Nich What are the differences between them

25 May 2019 8,462 22 View

What are the differences between habitat and nich?

In the microbial ecology there are two words used to describe the microbial environment Habitat and Nich What are the differences between them

04 May 2019 9,608 20 View

What are the solutions that are suitable for counting RBC and WBC in fish blood?

Hi ... I want to count the number of RBC and WBC in fish manually.

02 March 2019 1,409 2 View

Hi. How can I determine the ratio of heparin as anticoagulant for fish blood?

I faced some problem in keep the blood well without hydrolysis.

25 November 2018 3,669 3 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 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

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

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

06 August 2024 9,618 3 View

Determining the worth of a point improvement in Hamilton Depression Scale?

Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...

05 August 2024 3,246 1 View

Conjugation of PEG-Amine to an Amino Acid Using EDC?

I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...

31 July 2024 2,033 1 View

Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

29 July 2024 4,570 0 View

My cfDNA extraction protocol using silica beads works with plasma collected in COD SAGM bags but not with plasma collected in K2 EDTA tubes. Why so?

I am currently performing cell-free DNA (cfDNA) extraction from plasma using an in-house developed kit that employs silica-coated magnetic beads. My protocol works effectively with plasma obtained...

28 July 2024 3,559 0 View

What exactly is it about biotechnology and medical research?

I'm very interested in biotechnology and medical research and I'd like to meet a professional here and talk about it together

28 July 2024 3,798 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