How can i find Polycarbosilane or Polycarbomethylsilane in the US?

More Tonoy K. Mondal's questions See All

Why is there no peak shifting in FTIR-ATR after the adsorption of PS-NH2 onto the NIPAAM/CMC hydrogel materials?

Why is there no peak shift in FTIR-ATR after the amine-modified polystyrene nanoplastics (PS-NH2) adsorption onto the NIPAAM/CMC hydrogel materials? I have repeated the tests, but I have gotten...

09 June 2024 9,007 6 View

Why am I observing a m/z peak at 372 for the ciprofloxacin hydrochloride hydrate spectra in MS?

The antibiotic powder is dissolved in Milli-q water and then filtered using syringe filter for the analysis.

01 June 2024 7,419 0 View

What is the significance of -ve 'b' value or -ve intercept for the linear Langmuir isotherm plot??

What is the significance of the -ve 'b' value or -ve intercept for the linear Langmuir isotherm plot?? I recently plotted some of my experimental data in a Langmuir linear isotherm plot. I have...

18 May 2024 4,576 10 View

In Electrostatic Force Microscopy, how Phase (degree) is related with Capacitance?

In EFM measurement, we get topography and Phase image. From phase image what we can conclude? Let say, with thickness of a nanosheet phase is increasing. What does it mean that with thickness...

08 May 2024 7,590 1 View

How can I get involved in writing a chapter of scientific book in my research area?

Any lead will be helpful

24 April 2024 5,987 3 View

Why does IR spectrum of a compound of mine show a peak more than 100% transmittance??

The instrument provided data of the IR spectrum is in %T vs wave number. But the peak is in the 3600 to 2600 cm-1 shows more than 100% transmittance. What are the probable reasons behind it? How...

21 April 2024 1,745 1 View

HeLa cells have been detaching after heat stress. Can someone please suggest some way to keep the cells adhered during heat stress and recovery?

I have been growing HeLa to 90-100% confluency in 12 well dish, prior to subjecting them to heat stress at 43 degrees Celsius for 1.5hrs in a water bath. Unlike HEK293T, the HeLa cells lose...

16 April 2024 7,328 0 View

How can I measure the zeta potential of hydrogel beads?

Actually, the Zeta potential measurement instrument (Zeta Sizer, DLS method) needs the refractive index and absorbance values of the hydrogel beads. How can I measure these two parameter values...

28 March 2024 6,947 4 View

Can anyone lease provide a stepwise protocol for catalase assay activity in aerobic/gram-positive bacteria?

Catalase assay for bacteria - not screening test with hydrogen peroxide The complete procedure using spectrophotometer

13 January 2024 8,828 1 View

Hi, can anyone suggest anti-ubiquitin antibody that is specific for mono-ubiquitination and does detect not poly-ubiquitination or free Ubiquitin?

In our in-vivo assays, we see a modified band which we know is a mono-ubiquitin band. We still want to confirm with a mono-ubiquitin specific antibody, if the same is available commercially.

19 November 2023 7,374 0 View

How can the rubber fibres produced by the electrospinning device be removed from the fibre collect(aluminium foil) ?

How can the rubber fibres produced by the electrospinning device be removed from the fibre collector (aluminium foil) without affecting the orientation of the rubber fibres for use in reinforcing...

26 July 2024 8,281 0 View

How to get LP fiber modes directly from Comsol?

Hi there, I'm new to modelling with comsol. I would like to ask if it is possible for comsol to output linearly polarized (LP) modes? I tried modelling a simple single mode fiber with an enlarged...

23 July 2024 4,019 3 View

Looking for articles that provide guidance on doing Thematic Analysis (Braun & Clarke) as a team?

Does anyone know of any published articles that provide guidance on using TA with multiple team members? I am aware of one (see below), however, there are some disagreements in terms of some of...

23 July 2024 7,819 5 View

Should HIV testing also be offered to the low prevalence populations?

With many Northern Hemisphere countries approaching or exceeding the 95-95-95 criteria and with improved accessibility of community testing centers, I wonder whether we could significantly...

09 July 2024 2,181 1 View

Is it okay to use reviewed proteins?

I'm working on the proteome (from Uniprot), as you're probably aware that there are reviewed and unreviewed proteins, however unreviewed proteins are in large quantities, but reviewed proteins are...

09 July 2024 5,782 2 View

How to solve Bubble Error in fiber splicing?

I'm having a bubbling error while splicing 100/350 um optical fiber (core/cladding) on the Fujikura FSM100P+. I have tried some ways such as changing Prefuse power and Prefuse time but to no...

03 July 2024 7,463 6 View

Why does my Modified Gomori Trichrome (LG) Stain muscle fibers red, and how can I improve it?

I am trying to visualize Nemaline Rods in Skeletal Muscle fiber cross sections. I have read about 10 different gomori protocols, and the protocol seems very straightforward. Every paper I read on...

27 June 2024 5,423 2 View

Can i use polystyrene as a matrix in a hybrid COMPOSITE?

fiber powders will be used as a reinforcement.

23 June 2024 10,027 3 View

Why PLLA deposited by gap electrospinning lose piezoelectricity?

I tried to prepare aligned PLLA nanofibers by gap electrospinning method. But after the deposition, when I tried to measure its piezoelectric sensitivity, it actually did not exhibit any...

17 June 2024 9,763 0 View

Propose a comprehensive plan to design the new telecommunication system for the company, considering the following aspects:?

a) Design a scalable and robust network architecture that can handle the increasing data traffic and support various communication technologies. b) Recommend suitable transmission technologies,...

10 June 2024 2,187 1 View

Vadym Chibrikov

Good day! Maybe the following links will help you:

https://www.samaterials.com/silicon-carbide/2351-polycarbosilane-lumps.html

https://www.tradekey.com/products/polycarbosilane.html

https://www.parchem.com/chemical-supplier-distributor/POLYCARBOSILANE-POLY-METHYLSILYLENE-METHYLENE--142752.aspx

https://www.sigmaaldrich.com/PL/pl/product/aldrich/522589

Tonoy K. Mondal

Thank you so much for the links. That would be really helpful.