Seminar 3 nanotechnology
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Dr. Ronald Redwing gave a seminar on nanotechnology research and engaging the public. He defined nanotechnology as controlling atoms and molecules from 1 to 999 nm, or 1 to 100 nm depending on the context. He discussed how nanotechnology has potential applications in medicine, small devices, and self-assembled structures. Dr. Redwing also talked about undergraduate research internships at Penn State University and how their nanotechnology programs are integrated with education through science museum shows, summer camps, and high school outreach.
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Reflection of biomedical techniques course
The student took a Biomedical Techniques course that taught important lab skills through hands-on workshops. The workshops helped students learn techniques like PCR, electrophoresis, and microscopy. They gained the knowledge and experience to feel prepared for an upcoming summer research internship off-island. The course covered basic techniques as well as more advanced ones and helped the student better understand how to communicate scientific findings through seminars. Overall, the student felt the course successfully prepared them for research work in a university laboratory.
Semiar 4 polymer drugs
Ms. Roselin Rosario gave a talk on April 12, 2012 about her research developing novel biodegradable polymer drug delivery systems at Rutgers University. She discussed how polymers can be used to deliver drugs like salicylic acid and morphine in a controlled manner over time through biodegradable discs, microspheres, and hydrogels. Her experiments focused on creating a polymer using polyaspirin to provide a controlled release of salicylic acid.
Seminar 2 neuroscience
Dr. John Spitsbergen will give a seminar at Western Michigan State University about neurotrophic factor biodynamics in disease models using animals. The seminar will examine expression levels of NGF and GDNF in cardiovascular tissues of hypertensive and normal rats. Dr. Spitsbergen uses rat models to study hypertension and has found evidence that altered NGF expression may be involved in developing high blood pressure, as spontaneously hypertensive rats showed elevated NGF levels in blood vessels compared to control rats.
Seminar 1 nanotechnology
During a seminar on nanotechnology, Ms. Jaritza Gómez discussed the benefits of internships and her experiences working in a laboratory. She talked about conducting research on glass and creating very stable, high density aged glasses that crystalize over time in her laboratory. The seminar also included a presentation by Dr. Andy Greenberg on nanoscience and nanotechnology, which is the study and application of small materials across various fields of science and engineering. Nanotechnology can be used to improve quality of life.
Writen report nanoshells
The document summarizes an experiment to create aluminum oxide nanoshells using electrospinning and sputtering techniques. PEO fibers were first created on quartz and oxidized silicate substrates using electrospinning. The fibers were then coated with aluminum using sputtering. Finally, heating the substrates caused the PEO fibers to evaporate, leaving behind hollow aluminum oxide nanoshells, as seen through SEM imaging. The successful creation of the nanoshells demonstrates progress in nanotechnology and provides structures that could enable future innovations such as chemical sensors or biochips.
Dr.rubin's report
This study aimed to classify Mycobacteriophages isolated from Puerto Rican soil samples into clusters by analyzing their DNA using PCR and gel electrophoresis. The DNA of 8 phages (including Carmina, Phaglus, Maximus, and Suave) did not show clear results or bands, so their clusters could not be determined. The others were classified into clusters B2 or E based on the bands, except Fenixious which showed bands for both B2 and E, possibly due to mixed DNA samples. Errors in primer addition, reagent amounts, and sample mixing could have impacted the ambiguous results.
Photomicroscopy
The document summarizes a student project to take microscope photos of grass anthers, pollen germination on stigmas, and florets using a stereomicroscope and compound microscope. The student obtained grass from their university surroundings, took photos at various magnifications of anthers, florets, and pollen germination on stigmas, and acknowledged help from their professor in taking the photomicroscopy images.
Project Presentations
The document describes a study that aimed to create aluminum oxide nanoshells using electrospinning and sputtering techniques. Specifically, polyethylene oxide (PEO) nanofibers were first created via electrospinning onto oxidized silicate and quartz substrates. The fibers were then coated with aluminum using magnetron sputtering deposition. Scanning electron microscope images confirmed that aluminum shells had successfully formed on the PEO fibers for both substrate types after additional heating. The created nanoshells could potentially be used for applications such as chemical sensing, biochips, and biomedical devices.
Photomicroscopy
The document summarizes a student project that involved taking microscope images of grass flowers, anthers, and pollen germination on stigmas. The student used both a stereomicroscope and compound microscope to take high magnification images of grass anthers, florets, and germinating pollen on stigmas to document the process. Images from both microscopes are included.
Group # 1 Mycobacteriophages Presentation
This document discusses bacteriophages and their lytic and lysogenic life cycles. It defines mycobacteriophages as viruses that infect mycobacteria and can be found in soil. The document explains that mycobacteriophages have two life cycles: the lytic cycle, where the phage reproduces and causes host cell lysis, and the lysogenic cycle. It provides a diagram showing the structure of bacteriophages with their DNA inside a head and tail.
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Seminar 3 nanotechnology
- 1. Astrid Díaz 804-11-2548 Seminar: Nanotechnology Research & Engaging the Public Speaker: Dr. Ronald Redwing, Penn State University February 28, 2012 Dr. Redwing defined nanotechnology as the control of atoms and molecules from 1 to 999 nm. He said that depending on the person or region your in it can be also defined from 1 to 100nm. Nanotechnology has the potential to develop new things in medicine, in the creation of smaller devices, and to self assembled structures. It is also used to explore yet unanswered fundamental materials questions. He talked about the research summer internships for undergraduate students in Penn State University. Later he explained how their programs were integrated with education. They have science museum shows on nanotechnology; summer camps, high school programs and they do public outreach.