What are other chemicals which has similar functionality as Toluene diisocyanate (TDI)?

More Md. Hasibul Hasan Rahat's questions See All

In PRIMER, is it possible to downweight certain taxa in multivariate community datasets to reflect uncertainty around identification??

I have a dataset with about 80 different species. As usual, some species are very easy to identify with certainty whereas others are more difficult, which means that I am less certain of my...

03 March 2021 8,066 4 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

How does Scientist/RG community evaluates a case study article and the impact of it on a researcher career?

An article that is published as a case study in the SJR listed journal. How much value is added to a researcher career? How it is evaluated by a scientific researcher/University admission...

02 March 2021 9,661 3 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 View

What kind of food stuff increase the potentiality of human brain?

There are different kinds of food stuffs which we intake daily according to our requirements. Carbohydrate, protein, fat, mineral, vitamin, water are mainly working for the growth and development...

01 March 2021 831 2 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

What is the difference between L1 and L2 regularization in machine learning?

L1 and L2 regularization

28 February 2021 4,187 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

What is the difference between Graphene Oxide and Expanded Graphite?

What are the main differences between Graphene Oxide and Expanded graphite, in terms of surface functionalities, conductivity, d-spacing and other features? Is the term expanded graphite...

06 February 2021 9,810 4 View

How long should be stable a functionalized CNT? and how can I increase its stability?

I have functionalized MWCNT via both acidic and noncovalent rout, For acidic treatment I have used H2SO4:HNO3 (3:1) while ultrasonication at 55 C, and in non-covalent I used Triton x100, but the...

27 January 2021 4,497 3 View

Is there a simple protocol for short-term coating or fixation of surfaces with silver nanoparticles ?

Dear colleagues Is there a simple protocol for short-term coating or fixation (just some hours) of surfaces with silver nanoparticles (Heating? Irradiation ? pH ?) ? I wonder if there is a way...

20 January 2021 2,439 3 View

Which are the best methods to graft the polymeric nano/micro particles with lipids?

Good references (with clearly written methods/protocols) are highly appreciated. Polymers could be any, e.g., PLA, PCL, PLGA, etc. Similarly, lipids could be DSPE, DMPE, DMPA, DPPE, DLPC, DOTAP,...

07 December 2020 5,085 4 View

29 Si MAS NMR of 3 -aminopropyl triethoxy silane(APTES) functionalized 1 micron silica particles?

I am doing APTES functionalization of 1 micron mono-dispersed silica particles ( directly purchased) in ethanol solvent. I am using 7.5 ml silane for 0.5 g particles in 25 ml ethanol.Tried...

05 December 2020 5,470 4 View

Will -80 freezer cause damage to enzymes?

The typical guidance on storing enzymes is to keep them in a -20C freezer, but would storing aliquots of enzyme for long-term storage in a -80C freezer cause damage that would result in the enzyme...

03 December 2020 7,550 3 View

Substrate functionalization and antibody deposition for biosensor work?

Hello, I am a bio student working in a lab on his free time and I just started working with an engineering group on sensors. My questions are: 1)Functionalization steps and what are the best...

21 November 2020 7,996 2 View

Does it mandatory to show all the synthesis with the same procedure in review article...?

When we are writing a review article if I want to add the previous synthesis of a particular molecule...but there are so many papers with the same procedure on that molecule...does it mandatory to...

18 November 2020 1,109 4 View

Does anyone know any methods for removal of excess of a fluorescence moleule after nanoparticles functionalization?

I would like to functionalize a polymeric nanoparticle with a fluorescent molecule (i.e antibody or a FITC). I was told that after the functionalization process I would need to use a dialysis...

04 November 2020 7,944 4 View

Abdelkader BOUAZIZ

Dear Md. Hasibul Hasan Rahat, 4,4′-methylenediphenyl diisocyanate (MDI). My Regards

Gyorgy Banhegyi

Please consult the freely downloadable book: https://www.daryatamin.com/wp-content/uploads/2019/12/Szychers-Handbook-of-Polyurethanes.pdf, look for the chapters related to isocyanates

P. Santhana Gopala Krishnan

Other diisocyanates are Isophorone diisocyanate (IPDI), hexamethylene diisocyanate (HDI)