Sam Holtzen, PhD

@samholtzen.bsky.social

824 Followers 543 Following

postdoc at caltech he/they opinions are my own computers and biosensors 💻 https://samholtzen.github.io/

vase in the style of modern jōmon pottery
Results of the pulse-chase experiment on cell proliferation.
Results of immunofluorescence experiment.
Results of the DNA synthesis experiment.
A figure displaying the results of an experiment.
A picture of my cat looking like an amorphous blob
The excitation and emission spectrum of fluorescein. Image from FP Base.
A Jablonski Diagram
The structure of fluorescein in its carboxylate and lactone forms. Note that the lactone form is no longer planar, and therefore, is non-fluorescent.
A collection of images illustrating fluorescence in several types of mineral deposits. Credit: Hannes Grobe