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Full-Text Articles in Physics
Break Junction Technique For Studying Individual Biological Molecules, Brian Mayorga
Break Junction Technique For Studying Individual Biological Molecules, Brian Mayorga
Undergraduate Research at FIU (URFIU) Conference
Single molecule biophysics is a rapidly growing field that has great implications in the broader area of nanotechnology. The quantum properties of complex biological molecules can also be studied through the use of advanced techniques that examine molecules on an individual scale. Current methods for studying individual molecules often lack the accuracy needed to yield satisfactory data. In our experiments, we attempted to use a Scanning Tunneling Microscope (STM) based break junction method to study the quantum tunneling current through small biomolecules. By probing the currents changes through these molecules on an individual scale under external gating and in a …
Calculating Vsin(I) Of Planet-Hosting Young Stars, Jennifer Medina
Calculating Vsin(I) Of Planet-Hosting Young Stars, Jennifer Medina
Undergraduate Research at FIU (URFIU) Conference
Constraining the spin-orbit alignment of close-in planets in young systems can provide insight on their migratory history. We can combine Vsin(i) with measurements of the stellar rotation period and radius to determine the star's orbital inclination, which we can compare to that of the planet as determined from the transit. Vsin(i) is determined from the rotational broadening on the star's spectral lines, so it is ideal to work with young, fast-rotating stars where broadening is more easily measured. We measure Vsin(i) of seven planet-hosting stars within the Praesepe star cluster by using high-resolution spectra from the Immersion Grating INfrared Spectrometer …
Examining The Relationship Between Career Outcome Expectations And Physics Identity, Camila Monslave
Examining The Relationship Between Career Outcome Expectations And Physics Identity, Camila Monslave
Undergraduate Research at FIU (URFIU) Conference
A small percentage of physics degrees are awarded each year. Previous studies about career outcome expectations, or what students hope to achieve in their careers, have revealed strong relationships between outcome expectations and STEM career choice. Drawing from a US national survey with responses from 15,847 students in mandatory College English courses (Outreach Programs and Science Career Intentions, NSF # 1161052), we examined the relationship between student’s outcome expectations and physics identity. It has previously been found that students with certain outcome expectations are more likely to develop a physics identity. Expanding beyond prior work, we focus on how outcome …