How to characterise the wet gel beads?

01 January 2017 1 2K Report

how to analyse contents in gel beads using HRSEM, EDS and FTIR, as wet gel bead is not preferred for these sensitive instruments?

Ademario Junior

What is FESEM? Are these gel beads for separation in mass? Explain your problem a bit better.

Badges
Science topic

More Shubhangi Shukla's questions See All

What information can be obtained from a 3D scan in fluorimtric assays?

I have performed 3D scans for fluorescence studies, which consist of contours at the emission wavelength. how to draw useful information from these 3D maps and to understand the dynamics of the...

04 May 2019 9,040 4 View

Is it possible to determine the porosity behaviour of colloidal particles in solution phase or in the form of film?

Actually, the trivial techniques meant for the pore size determination (BET, BJH) cannot be applied for the inquired systems, but I wish to know the porosity trend (whether meso/macroporous),...

08 September 2018 9,204 3 View

Which technique can be used for separating the organometalic powdered catalyst from the organic reactions?

I have prepared a supported catalyst, which is implied for catalyzing certain organic conversion. The catalyst along with reacting precursors are kept under stirring conditions in order to...

06 July 2018 4,287 5 View

How to decide whether the synthesised nanoparticle system is alloy or multimetallic (bimetallic and trimetallic of noble metals)?

Which technique can be used to clarify whether the individual metals are homogenously mixed or are arranged in the bimetallic or trimetallic nanoparticle array?

06 July 2018 8,888 3 View

Do nanomaterials also show the Raman spectra, or just enhance the signal of the materials adsorbed on them?

I want to inquire whether nanomaterials merely act as the substrates for some molecules which are to be analyzed, or they themselves show lines in Raman spectroscopy. For reference, an image of...

06 July 2018 2,703 2 View

Can we use another working electrode for SWASV, instead of thin film mercury electrode?

Usually dropping mercury electrode or Hg modified GCE is used for stripping voltammetry, since it is a conventional or standard process, therefore is it possible to use GCE modified by some other...

02 March 2018 530 0 View

How to prevent the leaching out of thin film casted over glassy carbon electrode?

In order to carry out an electrochemical conversion using thin film modified glassy carbon electrode in acidic medium, leaching need to be overcome. what are the possible modifications that can be...

02 March 2018 8,334 3 View

How does the contact angle of a thin film effects it's catalytic efficiency as a heterogeneous electrocatalysts?

I mean if the material of the film is such that It is hydrophobic with high contact angle value, then whether it lowers the catalytic performances of the film as electrocatalysts in aqueous...

08 September 2017 2,949 3 View

How to calculate the number of electron transfer in the oxidation of amino acids using electrochemistry?

how differential pulse voltammetry is useful in calculating the number of electrons involved in the oxidation of amino acids.

05 June 2017 8,384 2 View

How to characterise the enzyme immobilised in gel beads?

how can I show the presence of the enzyme in the matrix of gel bead, means what are the characterisation techniques for the purpose?

31 December 2016 7,004 2 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View

What are possible strategies can be used to analyze data under sequential explanatory mixed method approach?

Better ways to analyze the qualitative and quantitative data in a sequential explanatory mixed method approaches

04 August 2024 2,703 6 View

Why 3 replicates for most biological assays? Is it enough to examine the data fits normal distribution?

Just bounced on me. Before statistically analysing significant difference, shouldn't we see if data fits normal distribution first? Is 3 replicates enough to testify the hypothesis of normal...

31 July 2024 8,141 13 View

What is the best practice for resuspending cell pellets during competent cell preparation (both electro and comp)?

I'm fairly new to making homemade comp cells and have done so with some mild success. What is generally an acceptable way of resuspending comp cells during wash steps? I've been told to swirl the...

31 July 2024 8,309 0 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

Request for Advice: Starch Metabolism Research Project?

I am currently considering a research project focusing on a comparative analysis of starch metabolism in orchids and roses. I am particularly interested in identifying the types and quantities of...

30 July 2024 4,267 2 View