This is an image of E-coli cells. Are these healthy or dead ones as I see some rupturing at the end of each cell?

More Purvi Kikani's questions See All

My plasma treated polymeric surface is able to reduce adhesion of gram negative bacterial cells but allows adhesion of gram positive cells, why?

I have observed opposite response from gram negative and gram positive bacterial cells on plasma modified polymeric surface in terms of adhesion and biofilm formation. gram negative cells show...

19 April 2023 1,516 5 View

What is the contribution of negative oxygen ions present in low pressure oxygen plasma in terms of surface modification ?

As we know oxygen rf plasma is rich in terms of O(-) ion density. I want to understand how / what way these negative ions contribute to surface modification of substrate kept on powered electrode....

27 August 2022 8,184 2 View

What is the role of atomic oxygen in oxygen plasma for polymer surface modification ?

I want to understand a process of interaction between atomic oxygen species (777 nm and 845 nm) from oxygen plasma and polymeric surface. Why atomic oxygen species are considered to be the most...

05 June 2022 7,032 2 View

What is the term ' average profile wavelength' in AFM analysis ?

In AFM analysis under hybrid parameters there is a term called average profile wavelength which involves both amplitude and space parameters. I am unable to understand the physical significance...

10 February 2022 800 2 View

Why plasma treatment on polymers results in morphological changes ?

Low pressure oxygen plasma treatment of LDPE film results in significant morphological changes. I want to understand what is the exact process which leads to morphological changes. Is it due to...

14 June 2021 7,376 3 View

If critical surface tension of Silicone / PDMS is within foul release zone then why biofilm grow on Silicone catheter surface ?

According to the Baier minima, surfaces having critical surface tensions between 20-30 mN/m are considered as foul release surfaces. PDMS or silicone material falls under this range according to...

10 December 2020 3,645 2 View

Did old ethnobotany really mention anti-tumor herbs? Was the cancer/ tumor identified in olden times??

09 June 2020 8,233 4 View

Why concentration of oxygen plasma induced functional groups in PDMS material exhibits oscillatory nature during aging?

I have done oxygen plasma treatment on PDMS material and got bonded and free C=O functional groups at 1635 and 1730 cm-1 respectively in FT-IR spectra. I kept the samples in ambient environment...

10 February 2020 679 0 View

Why and from where fibrinogen gets deposited on catheter when inserted into bladder ?

When catheter is inserted in to the bladder, fibrinogen gets deposited on to catheter surface and that becomes favorable site for bacteria to grow. I want to understand from where and why (due...

23 June 2019 2,836 8 View

What is the physical significance of energy equation in MHD plasma ?

There are three major equations in MHD plasma such as momentum equation, continuity equation and energy equation. What is the physical significance or a description of energy equation in that ?

20 February 2019 8,970 4 View

Which Scopus Journal provides the most affordable fees?

"PUBLISHING IN A SCOPUS JOURNAL" Researchers are now at a cross road. The critical need to publish in a Scopus or ISI, etc journal is ever vital. Journal Publication fees must be submitted....

10 August 2024 8,621 1 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 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

Who will be moral responsible for the death of thousands of people in the event of an earthquake?

Who will bear moral responsibility for the deaths of thousands of people in the event of an earthquake? Weeks and months remain before the onset of strong earthquakes that bring death to...

08 August 2024 6,134 12 View

Is there any way to quantify bacterial and fungal cells in their mixed culture?

I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...

07 August 2024 7,535 4 View

Are there any instruments for studying time similar to the way it is in space?

There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...

06 August 2024 7,102 0 View

Are there any good simple systems or platforms to recommend?

In order to show people the beauty of control and enhance enthusiasm for learning control theories, are there any good simple systems or platforms to recommend?

05 August 2024 10,034 1 View

Why did the authors extrapolate a phenotype that they experimentally proved in one bacterial strain across the whole genus of the organism?

I aim to be as skeptical as possible regarding whether a pair of orthologous genes results in the same phenotype in their different but related bacterial organisms under similar environmental...

05 August 2024 6,787 4 View

In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended?

In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended? If no axillary lymph node dissection was not...

05 August 2024 8,056 1 View

Jakub Grzesiak

It could be damage made during cell preparation for electron microscopy.

Phil Geis

Of course they're "dead." This is SEM.

Rawaa Aswad

They are dead bacteria (destroyed during preparaition for electron microscopy smear ).

Bhagyashri Takbhate

Dead cells, as cell preparation is for electron microscopy