Which process can be an alternative to plasma etching process for PMMA ?

More Narasimha Kalyan's questions See All

Waht is the effect of isoelectric point on MB dye photodegradation by ZnO nanoparticles?

Recently I have submitted an article regarding MB dye degradation by ZnO nanoparticle. I received a suggestion to include the discussion on the effect of pH. I want to know what is the impact of...

19 July 2024 4,868 1 View

Can anyone help me to identify this plant material?

This plant material was collected from residential colony of Hyderabad, India

13 February 2024 8,180 6 View

How to solve highly non linear coupled eqn. ?

send me a matlab program

22 August 2023 7,317 2 View

What is the concentration of antibiotic for PCR 2.1 TOPO cloning?

Ampicillin 50ug/ml is what specified in the kit, means should I use 5 grams of ampicillin for one liter of LB agar?

15 August 2023 7,603 2 View

Where do i get elastic compliance constants required for the orthorhombic crystal structure?

USDM and UDEDM model of Williamson Hall plot, elastic constants are required to calculate the Youngs modulus which further usefull in calculating stress and deformation energy density. I am...

12 June 2023 1,425 0 View

Can any body identify this Liane please?

Collected from Eastern Ghats of India near Chintapalli forest region of Visakhapatnam district, AP, India.

17 March 2023 7,310 6 View

Why is beta carotene not ionizing in LCMSMS even though the source has been changed to APCI?

I have tried beta carotene detection in LCMSMS with an APCI source using different solvents. But ionization is not happening even when reproducing the previously available data. Please help me.

25 December 2022 5,798 2 View

How to distinguish triplet-triplet annihilation band from phosphorescence and TADF?

If an organic molecular emitter shows multiple photoluminescence bands, what tools and techniques can one use to confirm the triplet-triplet annihilation (TTA) band?

18 November 2022 6,879 4 View

Can anyone help me to identify these fungal forms?

Isolated from the Lichen

25 April 2022 9,823 4 View

What could be the reason(s) for an organic material to show irreversible phase transition?

I am studying an crystalline organic material which shows birefringence and melts at ~75 degree Celsius. But, the material doesn't solidify upon cooling. What could be the reasons?

11 December 2021 6,015 3 View

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

How much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

How to select relevant metabolites from multiple annotations ?

I am using the Polyomics Integrated Metabolomics Pipeline (PiMP) for metabolite feature analysis. After annotating my data, I have encountered cases where multiple potential metabolites are...

24 July 2024 5,789 0 View

What are the strategies to Enhance IgG-Producing Plasma Cells in mice for Monoclonal Antibody Development?

I have immunized BalB/C mice with a protein using the intradermal (ID) method with Complete Freund's Adjuvant (CFA) and Incomplete Freund's Adjuvant (IFA), following a 14-day interval and three...

22 July 2024 9,160 2 View

How to resolve ‘[ atomtypes ] Invalid order for directive atomtypes’ error in Gromacs?

I have been using Gromacs 2021.7. I wanted to simulate two small molecules in water. But, while generating the ions.tpr, I am getting the following error. The topol.top and .itp files for each...

17 July 2024 9,897 4 View

Is there an explanation of why a negative photoresist take-off after contact with ferric chloride (like in the pictures) ?

Deep etching Negative photoresist Acrylate polymer Chemical etching Ferric chloride Crosslinking Resolution

11 July 2024 2,476 4 View

NH3/NF3/H2 Remote plasma Oxi/nit selective etching mechanism help ??

Hello, I am an Etch Engineer. I am performing etching with high T_ox/Nit selectivity using remote plasma. Etching plasma is formed using only NH3/NF3/H2. 1. I wonder if it would be advantageous...

11 July 2024 8,115 2 View

What is alternative for PMMA?

If we want to introduce a material similar to polymethyl methacrylate "with the characteristics mentioned in the next paragraph" that can be added to a precursor and create a composite, which...

03 July 2024 2,371 1 View

Has anyone simulated Argon plasma jet in Comsol?

Hello, Has anyone successfully modeled 2D argon plasma jet using the COMSOL? I would greatly appreciate any guidance on this matter.

30 June 2024 5,597 0 View

To prepare polymethyl methacrylate polymer for the study of acoustic properties without of bubbles during this process, what measures should be taken?

To prepare polymethyl methacrylate polymer for the study of acoustic properties, a mixture of methyl methacrylate monomer and benzoyl peroxide is used. This mixture is then heated and placed on a...

27 June 2024 2,087 1 View