Which is the best analytical technique for structure determination?

I need to obtain the molecular structure of a TPU pellet. The TPU is semi-crystalline so I thought in XRD, but I don't know if it would actually work. Can someone tell me if this is a suitable...

03 April 2017 3,933 11 View

Sample Analysis with High-Pressure Clapm offset in FTIR-ATR?

I'm using FTIR-ATR to measure the IR of a polymer film. When I use low pressure, I get one spectra and when I use high-pressure, I get another spectra. The question is that the spectra with the...

09 October 2016 3,637 2 View

What can cause offset in FTIR-ATR analysis?

I'm measuring the IR spectra trought FTIR-ATR of the same film multiple times. There is no chemical reactions occurring (as far as I Know). The IR spectras are different from one measurement to...

09 October 2016 1,850 6 View

What can it cause the peaks in the IR spectrum to change?

I'm trying to understand what can it causes the peaks in my sample to change. I'm measuring a mixture containing PUR, some additives, crosslinking agents and silicone. From time to time, the peaks...

09 October 2016 9,509 3 View

Why doesn't my peptide give any absorbance spectra?

I'm trying to measure the absorbance spectra of a peptide (LPFFD). I'm measuring with and without liposomes in a PBS buffer and the absorbance spectra is always similar to the blank well. The...

07 August 2015 8,337 8 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Genome-wide gene identification protocol ?

Is there any book chapter/book, webpage or research article available to understand genome-wide gene identification?

28 February 2021 8,095 1 View