How can I avoid clumping of TiO2 rod-like particles in the water meniscus?

I have rutile TiO2 grown on Si rods(100 microns long) with Ni bulb on one end of the cylindrical rod. They are supposed to float on the surface of the water but they tend to clump. How can I...

05 November 2020 9,068 2 View

Can you recommend a polymer which has viscosity as low as water or somewhere in that range?

I want to embed some metallic particles in a polymer (like PDMS which is very viscous for my purpose) by coating a glass slide with it, drop-casting the particles on it, and then subjecting it to...

26 September 2020 5,454 4 View

Why drones are pushed out of hive by Apis mellifera wokers during dearth period ?

Reasons are likely shortage of food stores or avoiding infestation by varooa mites... But i m looking for published literature for specific reasons as well

12 October 2019 5,225 2 View

Anyone familiar with MANET's changing sink implementation in ns2?

In MANETs, there are towers for a particular region and if we move out of range of a particular tower while moving we get connected to another tower. How to implement similar scenario in ns2 if a...

13 March 2015 1,790 2 View

Can I create surface mesh on cylinderical solid body with sweep method?

I have a 3D problem of cylinders and I would like to create a structured mesh around it using ANSYS workbench. Can I do structured mesh on the surface of solid cylinder only? Please suggest what...

05 February 2015 964 1 View

What are some useful methods & tools for finding relevant biomarkers for projects?

With the growing number of biomarkers regularly discovered, going through clinical trials and more slowly translating into the clinic, what options are available to shortlist and find biomarkers?...

26 May 2014 1,260 2 View

Can anyone recommend a protocol for ion pair reverse phase hplc?

I am looking for a protocol for ion pair reverse phase hplc using Luna C18(2) column for estimation of intracellular nucleotide precursors (e.g. UTP, UDP, ATP, AMP etc.). The major concern is that...

09 March 2014 7,821 4 View

Is there any method for quantification/estimation of NAD/NADH using colorimetric method?

I know one kit but I am looking preferentially for some colorimetric analysis or quantification using fluorescence spectroscopy. Help regarding any of the methods would be appreciated.

19 January 2014 926 2 View

What is the approximate range of concentration of NAD/NADH in bacterial samples?

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02 January 2014 4,349 1 View

Adding reactions to already existing mfa model - can anyone help?

I need to add reactions to an already existing set of reactions used for metabolic flux analysis for a pathway. While doing that I am getting all random and unrealistic values for fluxes. What...

01 January 2014 8,275 4 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

What are the effects of temperature and Relative Humidity in the dropwise condensation?

Hello Everyone! I was looking for the effects of the temperature and the relative humidity on the dropwise condensation. I was looking for the papers related to it explaining it in deep. I looked...

12 February 2021 4,196 2 View

Coupled hydric and mechanical equation COMSOL?

hello i am trying to study the mechanical deformation due to the humidity on a 3d volume formed of 2 phases. my equation are dw/dt =grad(Dm*div(w)) and the mecanical is sigma=E*beta*nabla(w)....

27 January 2021 5,201 1 View

How can I carry out analysis of pulp and paper properties according to Tappi standard method in the Lab?

Properties such as relative humidity (T 402sp-03), brightness and yellowness (T-452 om-02), whiteness (T-560 pm-96), opacity and absorption coefficient (T-425 om-01), tensile, breaking length and...

24 January 2021 308 3 View

How would I go about equilibrating the internal humidity of a closed system at 2 different temperatures?

I have a box which is kept at 4C which is enclosed in a ziploc bag. The dimensions of the box are: 18cm x 13.4cm x 4.9cm. The relative humidity of this internal environment is 30% at this...

07 January 2021 6,734 3 View

How do wood moisture meters function when applying on live trees?

Eleven months ago I girdled 17 trees and measured the moisture content, at the place where they had been girdled, with a wood moisture meter. Typically, the moisture meter showed a reading of...

26 December 2020 7,761 2 View

How reduce the humidity in a chamber to 1% that I am using for annealing my samples?

I am working in the area of organic solar cells. I need to anneal my samples in 1% humidity conditions and we don't have a glove box. How can I set up a chamber for this?. Is there is any...

22 December 2020 6,503 5 View

Which bioclimatic indices can I estimate with temperarure (oC) and percipitation (mm) data?

I have temperature and percipitation data for some years and I would like to examine the thermal comfort of the region. In my knoledge even the calculation of the simpliest indices requires...

20 December 2020 7,207 3 View

Heat exchange due to humidity difference ?

Hello everyone. How can I simulate evaporative cooling between air and water (isothermal) placed in direct contact? Is it possible to choose or set the humidity difference as the heat exchange...

11 November 2020 5,225 3 View

Does the rate of water condensation depend on vapor pressure?

25 October 2020 5,108 3 View