Reflective paragraph 3 summer
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During the morning, the student took a biology class with Dr. Belinda Román where they discussed chemistry and reviewed material from high school. The class talked about evolution and its relation to chemistry. They finished at 10:30 pm so the student went to the library to work on assignments.
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Enzymes accelerate biological reactions and their reaction rates depend on conditions like temperature and pH levels. The workshop explored how altering conditions affected catalysis and reaction rates using the enzyme p-nitrophenyl glucopyranoside. Experiments showed this enzyme works best at pH 5, where it hydrolyzes starch into glucose and p-nitrophenol, detected by its yellow color. Samples tested at different pH levels found only pH 5 turned yellow, and spectrometer readings confirmed more products formed at lower pH, demonstrating pH significantly impacts the enzyme's reaction rate.
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The workshop covered nanotechnology, which involves working with materials smaller than 100 nm. At this scale, materials exhibit different physical, chemical, and biological properties that can be exploited for various applications. For example, nanomaterials have more surface area, inducing more catalytic reactions and reactivity. The workshop demonstrated creating a hydrogen sensor using electrospun polyethylene oxide fibers coated with palladium and gold through sputtering to detect hydrogen concentrations.
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Bioinformatics applies statistics and computer science to molecular biology, mapping and analyzing DNA and protein sequences and comparing sequences between organisms. The workshop taught how bioinformatics is used in scientific investigations by allowing easy access to known data. Participants practiced using bioinformatics databases to find DNA sequences for fibrinogen alpha chains across species, translate DNA to protein sequences, and compare protein sequences between species to understand how bioinformatics works.
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This document summarizes an experiment to identify GMO genes in corn, soy milk, and papaya samples. DNA was extracted from the samples and amplified via PCR with primers for the 35S promoter, NOS terminator, and PSII genes. The resulting DNA fragments were run on an agarose gel during electrophoresis. Bands were observed at the expected sizes for the 35S and NOS genes in the corn and papaya samples, indicating they contain those GMO genes, but not in the soy milk sample. The results suggest the corn and papaya samples contain GMOs while the soy milk does not, but the experiment needs to be repeated to obtain reliable conclusions due to potential human errors.
Review Paper 1
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This study investigated whether exposure to cell phone radiation up-regulates (increases) genes related to apoptosis in primary cultures of neurons and astrocytes. The researchers exposed cultures of neurons and astrocytes to cell phone radiation for 2 hours. Gene expression analysis found increased expression of caspase-2, caspase-6, and Asc apoptosis genes in both neurons and astrocytes exposed to the radiation. The study concluded that even short-term exposure to cell phone radiation can increase expression of genes involved in apoptosis pathways and cause cell death in brain cells, with neurons appearing more sensitive than astrocytes.
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Seminar mary chely 2010
The document summarizes a seminar on using magnetic resonance techniques like NMR and EPR spectroscopy to study the structure and dynamics of membrane proteins like Sec14p. The presenter Mary Chely Quiñones discussed using EPR spectroscopy with spin-labeled lipids to study the local environment and dynamics of lipids binding to Sec14p in order to better understand vitamin E disorders.
Annotated bibliography #3
Seyed et al. investigated the effects of mobile phone radiofrequency electromagnetic fields (EMFs) at 910 MHz and 940 MHz on the structure and function of hemoglobin. They found that exposure to EMFs altered hemoglobin's oxygen affinity and tertiary structure by decreasing its ability to bind oxygen in the lungs and increasing its release of oxygen to tissues. The changes corresponded to the intensity and duration of EMF exposure, suggesting that EMFs could affect human respiration.
Annotated bibliography #2 2010
This study investigated whether exposure to cell phone radiation up-regulates (increases) genes related to apoptosis in primary cultures of neurons and astrocytes. The researchers exposed cultures of neurons and astrocytes to cell phone radiation for 2 hours. Gene expression analysis found increased expression of caspase-2, caspase-6, and Asc apoptosis genes in both neurons and astrocytes exposed to the radiation. The study concluded that even short-term exposure to cell phone radiation can increase expression of genes involved in apoptosis pathways and cause cell death in brain cells, with neurons appearing more sensitive than astrocytes.
Annotated bibliography #1
The study investigated the effects of mobile phone radiation on the blood-brain barrier permeability in rats. Rats were exposed to radiation from a GSM mobile phone at various non-thermal specific absorption rates for 2 hours. Researchers found a low but significant correlation between the absorption rate and albumin leakage from blood vessels into brain tissue 7 days later, providing evidence that GSM exposure disrupts blood-brain barrier permeability after exposure.
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Seminars are offered at universities to help students learn about new areas and opportunities. Some recent seminar topics included epilepsy, Dravet Syndrome, and using pluripotent stem cells to study nervous cells and discover new epilepsy treatments. Another discussed small regulatory RNAs and their role in gene expression through RNA interference. A final seminar covered antisense drug therapy to treat genetic disorders by binding mRNA and preventing gene expression. Attending seminars provides opportunities to expand knowledge across different fields and make connections between new and familiar topics.
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This workshop covered water sampling, testing, and statistical analysis. It discussed the importance of clean drinking water and the process of treating water. The quality of water depends on environmental and human factors in the country it comes from, such as agriculture, urban areas, and waste management. The workshop demonstrated how to collect water samples, test them for E. coli and other bacteria, and use statistics software to analyze the results and compare bacterial levels between populated and unpopulated areas.
Forensic DNA Fingerprinting
DNA profiling is a technique used by forensics to identify suspects through their DNA. Samples are collected from crime scenes and suspects, DNA is extracted, and restriction enzymes are used to cut the DNA into fragments. These fragments are run through a gel and their distribution pattern is analyzed and compared between crime scene and suspect samples to identify matches that could solve the crime. In this case, DNA profiling revealed that the fourth suspect's DNA fragment matched one found at the crime scene.
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ここ3000字までしか入らないけどタイトルの方がたくさん文字入ると思います。
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Today, after several years of existence, an extremely active community and an ultra-dynamic ecosystem, Kubernetes has established itself as the de facto standard in container orchestration. Thanks to a wide range of managed services, it has never been so easy to set up a ready-to-use Kubernetes cluster.
However, this ease of use means that the subject of security in Kubernetes is often left for later, or even neglected. This exposes companies to significant risks.
In this talk, I'll show you step-by-step how to secure your Kubernetes cluster for greater peace of mind and reliability.
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Reflective paragraph 3 summer
- 1. During the morning, I took the biology class with Dr. Belinda Román. The class was very interesting today. It was talked about chemistry and it was given a little review of what I took in high school. The difference was that now I listened more, and I learned some new things. In the class we talked many times about the evolution and how it is related with the chemistry specially. We got out from the classroom at 10:30 pm so I took advantage and went to the library to forward my assignments.