Is it possible to quantify calcium carbonate from XRD data?

I have not done the analysis but planning to. I want to estimate CaCO3 in algal biomass.

03 April 2018 6,018 5 View

Anybody experienced in using MPN for enumeration of microalgae?

I would like to know how the positive tubes are scored in MPN for microalgae. Fluorometry or chlorophyll a or any other plating method ?

31 December 2016 5,603 4 View

Anybody know of a scientific supplier who can supply a basic model of 22 litre autoclave(pic attached)?

07 August 2016 1,898 3 View

Is it possible to increase concentration of a v/v solution without increasing volume? If so, how can this be achieved?

I am working on culturing algae with effluent. I want to scale up the effluent concentration from 10% to 100% in sea water keeping the total volume constant. Will it be possible?

03 April 2014 7,495 1 View

SEM and TEM facilities in and around Tamil Nadu, India?

Can you guys list the institutions which provide SEM and TEM service for biological specimens?

07 August 2013 4,790 15 View

Inverse peaks in HPLC

Hi I was separating carbohydrates by RP-HPLC. I used to get the solvent peak before the analytes and it was normal. All of a sudden, the solvent peak got inversed. I don't know why? Can anyone...

11 December 2011 469 11 View

Hydroxyapatite chromatography

In hydroxyapatite chromatography of proteins, is it necessary to bake the slurry overnight in an oven? Has anybody performed hydroxyapatite chromatography of proteins? If so please guide me....I...

10 November 2011 8,746 0 View

Sugar preparation for HPLC

Do anyone know a method for sugar extraction from cyanobacteria for HPLC analysis?

08 September 2011 2,944 11 View

Sugar analysis

Anybody worked/working in cyanobacterial/microalgal sugar analysis by HPLC

08 September 2011 1,758 0 View

CO2 calcualtion from Bicarbonate added

Hi all, Do anyone know how to calculate the amount of Co2(in percent or ppm) from added bicarbonate into a solution. Will be a big help.

06 July 2011 7,293 0 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 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

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 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

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 someone suggest a way to prepare slides to observe under confocal microscope for observing fluorescent tagged proteins??

I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...

01 March 2021 6,142 3 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View