Alexandra Walsh

9 Questions 9 Answers 0 Followers

Questions related from Alexandra Walsh

Pbk31 turns pink when scratched?

The pigment perylene green (Pbk31), CAS 67075-37-0 (perylene tetracarbonic acid), is used in watercolors and is a blackish green when applied to paper. When dry and scratched however it turns...

17 August 2021 5,484 0 View

Removing magnesium cofactor from enzyme?

I am working with vanadium dependent bromoperoxidase which has vanadium in its active site and (presumingly) several magnesium ions attached which do not take part in the catalytic reactions of...

11 February 2017 9,008 3 View

What are the intra and extracellular concentrations of dopamine in PC12 cells?

I am struggling in finding information in literature what the concentration ranges are for dopamine in PC12 cells - often it is contradictory and varies a lot depending on the pretreatment...

08 September 2015 5,502 1 View

Do sticky slides give rise to interferences in Raman spectroscopy?

I am considering to use so called sticky slides (http://ibidi.com/xtproducts/en/ibidi-Labware/sticky-Slides/sticky-Slide-8-Well) and mount them on CaF2 microscope slides. In the product spec it...

13 May 2015 3,139 2 View

How long do mononuclear phagocytic cells survive after treatment with different doxorubicin formulations?

I have recently learned that mononuclear phagocytic cells (monocytes) readily engulf liposomal doxorubicin, both pegylated and non-pegylated, albeit the phagocytic activity is less towards...

28 August 2014 8,955 2 View

Is it possible to stimulate the endocytotic uptake of lymphocytes?

Lymphocytes are known to be rather reluctant to endocytos anything, hence, I am having trouble getting gold nanoparticles (60 nm) into them. Is it somehow possible to stimulate the lymphocytes to...

17 October 2013 5,092 9 View

Mycoplasma pneumonia infection?

I have read that most common humane mycoplasma species that infect cell cultures are M. fermentans and M. orale. Does anyone of you have encountered infections by M. pneumonia? If yes, what could...

19 September 2013 6,253 3 View

Leukocyte characteristics?

I am working with human leukocytes but know rather little about them (I am a chemist) and I cannot seem to find the information concerning various properties of leukocytes anywhere. Hence I have...

06 September 2013 5,797 1 View

Trouble with colloid entry into living leukocytes. Any help?

I am using mercaptobenzonitrile coated gold nanoparticles (MBN-Au) for SERS imaging of living leukocytes and quantification of a drug inside the cells. Until quite recently, the MBN-Au entered the...

23 August 2013 8,861 3 View