Thermal degradation products and inhalation of tween and span 20, safe?

18 July 2016 1 2K Report

I am trying to find information on the thermal degradation products of tween 20 and span 20. I want to know the degradation temperature and products and are these compounds safe to inhale?

Thanks

William Senior

links

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3581650/

https://www.menards.com/msds/108114_001.pdf

http://ec.europa.eu/health/scientific_committees/consumer_safety/docs/sccs_o_144.pdf

https://pubchem.ncbi.nlm.nih.gov/compound/443315

https://www.nicnas.gov.au/__data/assets/pdf_file/0006/4929/HFE_7100_Nov06_PDF.pdf

Badges
Science topic

More Flourina Thakor's questions See All

How to neutralise a peptide in a peptide-protein interaction?

Hi all, I am performing an IP using 20AA biotinylated peptides as bait and recovering peptide-protein complexes using streptavidin beads. I elute the proteins using heat, SDS and mercaptoethanol,...

15 December 2019 689 2 View

Which blocking agent for IHC of tissue sections?

I am currently performing IHC for human tissue microarrays but all my tissues, including negative control where I did not add any primary antibody, stained positive. I block peroxidase with H2O2...

22 March 2018 5,177 5 View

Tomato cultivation in Greenhouse

Hi, We are working on tomato cultivation under greenhouse. In last season- we found excellent vegetative growth but no flowering observed and hence crop fail. What could be the reason of no flowering?

12 July 2017 1,966 8 View

What is the relation between the shear strength and tensile strength?

i.e. for metal its 0.55 times grater...so for nano composite epoxy can i use same relation? and plz suggest research paper related to this...

14 October 2016 8,533 4 View

Drug treatments affect B-actin?

Hi I recently performed some western blotting and have noticed that my treatment has reduced B-actin expression in cells.Do certain drugs affect B-actin expression? This result has been consistent...

13 February 2016 5,922 3 View

What marker to use as a control for western blotting in hypoxia?

Hi, I wish to perform western blot analysis to detect some proteins under hypoxia and normoxia. I cannot use b-actin as my control marker as these levels tend to change under hypoxia. Can anyone...

31 January 2016 778 5 View

Can EDAX charecterization be used to find percentage of nano particle added in epoxy resin?

i doped nano particle in epoxy resin and want to study the percentage based charecterization .......so EDAX analysis is useful or not??(because epoxyresin is insulator) if not than can anyone...

25 December 2015 2,762 8 View

Can anyone please tell me the status of biophytum sensitivum in India?

I am searching for the status of biophytum sensitivum plant in India. Is it endangered current or comes in least concerned

03 November 2015 5,331 1 View

Would you suggest the name of some compounds having potent effect on a cancer cell line with low concentration i.e.less than 50 micromolar)?

I am looking for the compounds having potent effect on other cancer cell lines with the IC50 value (< 50 micromolar). I would like to test that compound against kidney cancer cell lines and...

16 June 2015 3,508 5 View

The Optimal Experimental Approach for Gene Function Analysis?

What is the most suitable experimental setting to understand the consequences of a particular gene: (1) targeted degradation of the specific transcription factor (TF) of the gene, followed by...

04 August 2024 6,265 1 View

What Are the Best Alternatives to the MTT Assay for Assessing Cell Toxicity of Colored Herbal Extracts?

I am currently investigating the cytotoxicity of a series of herbal extracts, and like many studies, I have been using the MTT assay to evaluate cell viability. However, I am encountering a...

31 July 2024 193 4 View

How can I measure arsenic concentration in a patient blood?

I intend to get an economical and accurate LAB TEST to measure arsenic concentration in blood sample.

23 July 2024 3,654 2 View

How should we increase the quality of RNA extraction?

I’m having difficulty achieving high RNA integrity in my samples. Although the 260/280 and 260/230 ratios are satisfactory after RNA extraction, the RNA samples show signs of degradation when...

22 July 2024 155 4 View

How can I extract glycosides from mangrove leaf samples without an incubator that can reach temperatures above 60°C?

I want to extract glycosides from my mangrove leaf samples, but my laboratory lacks an incubator capable of reaching temperatures above 60°C. The paper I am following specifies a minimum...

13 July 2024 3,686 0 View

Why am I seeing only one initial maximum in torque-time curves for the fusion of PVC in a Brabender?

We're studying the stability and fusion behavior of multiple PVC compounds in a Brabender. After a few trials, we set the temperature at 195 °C and the rotor speed at 70 rpm. Samples differ in...

12 July 2024 2,768 1 View

Why flow rate of MFC for pure NH3 gas decreases with time?

We have been using MFC to control the flow rate of pure ammonia gas. The MFC is placed in an oven at 50 deg. C to avoid blockage due to NH3. However, after a few days of usage, the MFC is unable...

11 July 2024 5,796 1 View

Regarding solubility of Dorsomorphin in DMSO ?

I'm using Dorsomorphin (C24H25N5O) as one component in dual SMAD inhibition of pluripotent stem cells to differentiate into neurons alongwith SB431542. Now as to solubilizing 10mg SB in DMSO for...

11 July 2024 4,832 0 View

Cellulose degradation rate in anaerobic digestion?

Hello, I am looking for (estimated) degradation rates of cellulose in a classic anaerobic digestion setup (meso or thermophilic, WWTP sludge, 30+ days of operation) to have an idea of the % of...

01 July 2024 5,867 5 View

Why in some degradation experiment the results doesn't fit first or second order kinetics ?

In an antibiotic degradation experiment using metals carbon composites to activate PMS, the results doesn't fit pseudo first or second order kinetics however the degradation efficiency is very...

26 June 2024 6,941 3 View