Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

What is the molecular size for crystal violet and reactive orange 16?

I am using methyl violet 10B and reactive orange 16 (RO16) dyes for my Ph.D. research. I'm trying to find the molecular size for both of these dyes. It is possible for me to find these dyes'...

01 February 2021 3,333 4 View

How to find the target displacement to use in displacement control pushover analysis according to ASCE 41-17?

I am performing pushover analysis in Etabs of a steel braced frame but oI do not know what value should I use for target displacement. The height of the building is 20m. I want to know what value...

29 January 2021 2,190 2 View

Can we coat the pellet with graphite spray in place of silver paste for making electrical contact to measure the thermoelectric properties?

I want to coat the pellet because without electrical contact (may be due to the high resistance of the pellet), the V-I plot is not coming in the ZEM-3 instrument. I want to measure electrical...

24 January 2021 836 2 View

What is suitable etching resist coating for polished Titanium Grade 5 surface?

Currently we start a chemical etching project. This project involved etching a polished titanium grade 5 surface part. We facing a problem where by our etch resist coating peel off during etching...

15 January 2021 1,592 3 View

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13 January 2021 2,487 1 View

Variant or strain, what exactly happened to the corona virus ?

The new, more contagious variant of the virus that causes COVID-19 which initially detected in the U.K. and has now been spotted in many of the country. While some have referred to this as a new...

11 January 2021 8,810 5 View

How many times can we immunize mice before hybridoma preparation?

Dear all, Recently I have been working with monoclonal antibody production and I usually Immunize mice for a total of 4 times with the last one being diluted in PBS 3days before fusion...

09 January 2021 9,320 3 View

The hospitals reported rise in ICU admissions of young COVID patients - Is the new strain of COVID to be blamed?

05 January 2021 3,141 12 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Samples to study circular dichroism (chirality)?

I want to build a low-cost polarimeter to study circular dichroism (chirality). What type of samples can I use? I am looking for samples that can be found outside the laboratory.

01 March 2021 9,101 3 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

Has anyone experienced changes in growth for cell culture when purchasing media from different companies?

I recently switched the company where we buy our DMEM/F12 and i have noticed a signficant change in growth for my human olfactory neurosphere cell lines

24 February 2021 2,268 3 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

Suppose we have a banana seller cart consisting of 4 wheels, weighing about 300 kg. How much torque motors are needed to pull of push it electrically?

I am thinking of electrifying the street food carts while harvesting energy using solar panels on top.

22 February 2021 4,323 3 View

What are the LAB methodologies (procedures, equipment etc) for CO2 enrichment experiments to study crop responses?

I am doing a proposal for a research entitled 'GRAIN YIELD AND QUALITY RESPONSES OF WHEAT GENOTYPES UNDER CO2 ENRICHMENT AND EXTREME EVENTS' I will be using climate chamber and I would like to...

18 February 2021 6,494 4 View

How to get better phase shift in C-V curves for ferroelectric devices?

I tried to sweep my ferroelectric devices from -2V to 2V and then from 2V to -2V and The two hysteresis peaks are off by several microFarads. Should i increase bias voltage? I am doing these...

16 February 2021 8,514 2 View