Chemistry Essays

59 essay samples found

Why Tulane: Undergraduate Admission

I am Debaroty Roy, a graduate student from Tulane University. I have completed my undergraduate from Shahjalal University of Science and Technology, Bangladesh. I am interested in pursuing my PhD in Chemical Engineering Department of Louisiana State University. I did my undergraduate in Chemical Engineering which combines chemistry, physics, biology and mathematics to solve problems. […]

Pages: 2 Words: 542 Topics: Academic Research, Chemistry, Nature, Physics

Photosynthesis and Energy

Energy is very important and plays a substantial role in life itself, but where does energy come from and how does energy work? Of course, the answer is simple; Photosynthesis. With this reading you will learn what photosynthesis is and how photosynthesis works as well as the energy it creates and how energy is stored […]

Pages: 8 Words: 2444 Topics: Chemistry, Energy, Photosynthesis
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Long-Term Affects of Wastewater in Disposal Sites from Fracking

Overview This article discusses a study done at Penn state into the long-term affects of wastewater in disposal sites from fracking. In 2011, water and sediment downstream of fracking disposal sites was discovered to still contain unsafe levels of some chemicals, despite the water being treated, and had become radioactive. This had contaminated drinking water […]

Pages: 2 Words: 504 Topics: Chemistry, Fracking, Hydraulic Fracturing, Natural Environment, Water Pollution

Development of Science in 17th and 18th Century

Science is defined as intellectual and practical actives that involve systematic organization of knowledge obtained through observations and experiment. 17th and 18th centuries are periods where we see human being conducting thorough scientific research which has seen been tested and proven real. It is also through these sessions that technological changes were significantly observed ranging […]

Pages: 6 Words: 1923 Topics: Aristotle, Chemistry, Scientific Revolution

Effect of Proanthocyanidin Rich Grape Seed Extract

Introduction The reactive oxygen species (ROS) play an important role on pathological processes in the gastro intestinal tract (GI tract) including Crohn’s disease, ulcerative colitis and colon cancer. The prolonged exposure of intestine to ROS leads to oxidative stress which induces lipid peroxidation, protein degradations and damages essential cellular macro molecules which progress to metabolic […]

Pages: 9 Words: 2718 Topics: Apoptosis, Biotechnology, Chemistry, ELISA

Electrochamical Characterization of Bovine Serum Albumin on Phenoli Coated Nickel Titanium

Blood-material interactions are critical for the performance and biocompatibility of biomedical devices implanted in thousands of patients every day. When an implant is introduced into the body, protein adsorption and activation of complement proteins occur [1-3] and a series of interactions happen [4], firstly, water molecules reach the surface of the implant and build a […]

Pages: 3 Words: 911 Topics: Characterization, Chemistry

Green Synthesis of Silver Nanoparticles by Using Various Plants Leaves

Abstract In present experimental work rapid and simple method was applied for synthesis of silver nanoparticles using different type of medicinal plants viz.(Sphagneticola trilobata, Catharanthus roseus, Azadirachta indica and Dalbergia sissoo) aqueous leaf extracts are used as reducing agent as well as capping agent for silver nanoparticles synthesis. Green synthesis of silver nanoparticles (AgNPs) was […]

Pages: 6 Words: 1945 Topics: Characterization, Chemistry

Photosynthesis in Living Leaves

Abstract The rate of photosynthesis can be measured by examining the amount of reactants and the buildup of products. Oxygen is a product of photosynthesis and is stored in the spongy mesophyll. This gives the organism the ability to float. In this experiment, oxygen is taken out of the spongy mesophyll. The leaves are then […]

Pages: 4 Words: 1061 Topics: Chemistry, Photosynthesis, Plant, Water

Glycyrrhetinic Acid Functionalized Graphene Oxide

Introduction Graphene and graphene oxide Graphene is an ultra-thin single layer of carbon where the carbon atoms are arranged in a hexagonal lattice. Graphene most common structures are carbon nanotubes (rolled up graphene sheets) and graphite (graphene layers are stacked and held together by weak forces, mainly Van der Vaals) which are becoming more used […]

Pages: 4 Words: 1096 Topics: Apoptosis, Biotechnology, Chemistry

Large-Area Synthesis of Graphene Films Transfer Process

Recently, much attention has turned to the structural and electronic properties of carbon-based materials. At present, especially, graphene is the hottest topics in condensed-matter physics and materials science. This is because graphene has not only unusual properties regarding extreme mechanical strength, thermal conductivity and 2-diemensional films, but also peculiar electronic characteristics such as Dirac-particles with […]

Pages: 7 Words: 2236 Topics: Characterization, Chemistry

The Unsustainability of Fracking

Over the last ten years, America has experienced an energy revolution. Energy consumption has never been higher and the majority of this consumption is supplied by fossil fuels such as coal and oil or natural gas. In order to compensate the high energy demand, most conventional natural resources in the United States have been exhausted. […]

Pages: 4 Words: 1136 Topics: Chemistry, Fracking, Hydraulic Fracturing, Natural Environment, Water

A Novel Therapeutic Strategy for HER2 Breast Cancer by Nanoparticles Combined with Macrophages

Abstract:In recent years, the cell membrane bionic nanoparticles as a new drug delivery system is widely used in small molecule drugs, vaccines and targeted delivery of macromolecular drugs, because of its inherited the specific receptors on the cell membrane and membrane proteins can be used to implement specific targeted delivery, and the tumor showed a […]

Pages: 4 Words: 1158 Topics: Breast Cancer, Cancer, Chemistry

Method of Inhibiting Metastasis in Hepatocellular Carcinoma

Significance According to 2018 data, an estimated 609,640 people in the United States will die from cancer this year, while approximately 1.7 million new cases of cancer will be diagnosed1. Cancer is the second leading cause of death in the US and constitutes approximately 22 percent of deaths1. In addition, cancer creates huge financial burdens […]

Pages: 6 Words: 1706 Topics: Apoptosis, Biotechnology, Cancer, Chemistry

Synthesis of Graphene Films in a Flame

In this method, the temperature of 900–950°C and exposure time of 5 min are demonstrated to be suitable for the synthesis of graphene films on a nickel substrate, which is preferable to a copper substrate. It is indicated that the formation of graphene layers on the substrate occurs vertically along the flame height, with subsequent […]

Pages: 6 Words: 1873 Topics: Characterization, Chemistry

Characterization of Amyloid Fibrils and Protective Effects of Silibinin

Amyloid fibrils are abnormal, fibrous protein deposits that grow on the outer membrane of the cells. They are insoluble and do not function to provide structural support or motility in humans. Amyloids are known to show major impact on diseases like Alzheimer’s and type II diabetes which progress over a period of time and are […]

Pages: 7 Words: 2089 Topics: Characterization, Chemistry, Insulin

Analysis of the Role of the HIF-1

This paper by Shen and collegues describes the role of the HIF-1 gene and the gene’s response to low oxygen levels in Caenorhabditis elegans (C. elegans). The hypoxia-inducible transcription factor (HIF-1) plays a critical role in being regulating systematic activities. The HIF-1? subunit contains proline residues which, in the presence of high oxygen levels are […]

Pages: 5 Words: 1458 Topics: Apoptosis, Biotechnology, Chemistry, Genetics

Magnetism in Nanomaterials

The basic concepts regarding the interactions between magnetic nanoparticles and a static or time-varying external magnetic field were reviewed. How these pertain to current biomedical applications of magnetic nanoparticles were also analyzed. The focus was in particular on magnetic separation and drug delivery. Although these are only two of the many biomedical applications of magnetic […]

Pages: 1 Words: 297 Topics: Apoptosis, Biotechnology, Cancer, Chemistry, Physics

What is UV Light?

“The visual system is arguably the most important sense that humans have in order to navigate the world around them. The eyes are highly susceptible to UV light, making them a prime target for free radical oxidation of both lipids and proteins, causing cell damage and eventually, cell death. One such disease caused by UV […]

Pages: 5 Words: 1463 Topics: Apoptosis, Biotechnology, Chemistry, Oxygen, Protein

Intracellular Role of Apoptosis in In-Vivo Reactions Occurring in Multi-Cellular Organisms

There are two well-known methods of cell execution namely: Apoptosis and Necrosis. Whereas necrosis is regarded as a violent form of cell death, apoptosis on the other hand, is a more benign, modulated and rational mode of killing cells which involves making well-informed decisions about selected cells to be terminated for the greater good of […]

Pages: 6 Words: 1948 Topics: Apoptosis, Biotechnology, Chemistry

Localization of the MLKL Protein to the Plasma Membrane

Tumor necrosis factor (TNF) is well accepted and known for its role in apoptosis and necroptosis. TNF also has an array of various intercessions such as pathological conditions, autoimmune diseases, inflammation, and immunity1. TNF also functions as a machine in forming the TNFR1 complex as a result of TNF signaling. This mechanism is used to […]

Pages: 4 Words: 1080 Topics: Apoptosis, Biotechnology, Chemistry

Localization of the MLKL Protein to the Plasma Membrane and how it Affects TNF-induced Necroptosis

“In this study, the authors’ main focus is the MLKL protein properties such as; where it is translocated, what it induces upon translocation, and the possible complexes that if forms. The experiment as whole, shows the MLKL becomes phosphorylated by RIP3 and results in an engagement with the necrosome through its interaction with RIP 3. […]

Pages: 12 Words: 3612 Topics: Apoptosis, Biotechnology, Chemistry, Protein

Nanoparticles – Fields of Usage

Nanoparticles are particles in the nanosized range (10-9m) that can be made from various materials; this poster will focus specifically on iron oxide nanoparticles (IONs). Due to their small size and unique optical, photochemical, magnetic, and chemical properties, IONs are being used as a new approach in cancer therapy as an alternative to conventional treatments. […]

Pages: 3 Words: 984 Topics: Apoptosis, Biotechnology, Cancer, Chemistry, Medicine

3D Bioprinting of Brown Adipose Tissue

The vascularized tissue that I would like to 3D bioprint is brown adipose tissue. Brown adipose tissue is a fatty tissue that is used in the body to generate heat from energy stored in the form of lipids (5). Brown adipose tissue is primarily found in human babies, hibernating animals, and human adults that are […]

Pages: 9 Words: 2740 Topics: 3D Printing, Chemistry

Harmful Side Effects of Synthetic Drugs

 As Literature shows that synthetic drugs are much expensive and known to have harmful side effects over natural drugs as they made simple economic that means it’s cheaper to extract the phytochemicals from medicinal plants, instead using expensive laboratory chemicals. Medicinal plants are commonly used for the treatment of various diseases, as they are considered […]

Pages: 3 Words: 906 Topics: Apoptosis, Biotechnology, Chemistry

Tight Regulation of Cell Death is Vital during Development

Introduction Tight regulation of cell death is vital during development, normal homeostasis as well as in pathogenesis of various diseases. Several acute and chronic Diseases are associated with excessive cell death resulting tissue damage and organ failure. Caspase dependent apoptosis is well studied programmed cell death which is implicated in normal and disease pathogenesis. Ferroptosis […]

Pages: 3 Words: 826 Topics: Apoptosis, Biotechnology, Chemistry

Photosynthesis Vs. Cellular Respiration the Major Processess in a Global Balance

There are two key processes that occur in nature to obtain energy, they are photosynthesis and cellular respiration. The derivative of the word photosynthesis is the process in which energy of sunlight is converted by plants to store chemical energy in carbohydrate bonds. Photosynthesis is known to be performed by plants, as is cellular respiration. […]

Pages: 5 Words: 1454 Topics: Biotechnology, Cellular Respiration, Chemistry, Metabolism, Photosynthesis

Environmental Heavy Metals on Diabetes Mellitus Type II

ADVERSE HEALTH EFFECT OF ENVIRONMENTAL HEAVY METALS ON DIABETES MELLITUS (TYPE II) AMONG TANNERY WORKERS IN VELLORE DISTRICT 1.0. INTRODUCTION Health is a vital aspect of life. It is determined by the controlled way of life activities. It takes in to account cleanliness and proportionate nutrition, clean habits and whole environment. Disturbance(s) in any one […]

Pages: 16 Words: 4839 Topics: Chemistry, Diabetes, Insulin, Metabolism, Pollution, Soil, Type 2 Diabetes, Water

Air Quality and Climate Change Research

Air pollution is a mixture of solid particles, such as car emissions and dust, and gases mixed in the air. It has many critical effects on a country as it may affect people’s health by causing severe asthma and heart disease. The principal cause of air pollution is the high emission of sulfur dioxide (SO2) […]

Pages: 7 Words: 2081 Topics: Air Pollution, Chemistry, Global Warming, Natural Environment, Pollution

How to Relieve Global Warming by Carbon Dioxide Capture and Storage

Introduction ‘US President Donald Trump has cast doubt on a report by his own government warning of devastating effects from climate change.’ (BBC News,26 November 2018) Several months ago, Donald Trump claims that the America exit ‘Paris Agreement’ because he think Global Warming is the lie of the scientists. Does he is true? The tables […]

Pages: 5 Words: 1350 Topics: Chemistry, Global Warming, Greenhouse Effect, Photosynthesis

Interactions between Magnetic Nanoparticles and a Static Magnetic Field

“In this presentation, it reviewed some basic concepts regarding the interactions between magnetic nanoparticles and a static or time-varying external magnetic field, and shown how these pertain to current biomedical applications of magnetic nanoparticles. The focus was in particular on magnetic separation, and drug delivery, although these are only two of the many biomedical applications […]

Pages: 1 Words: 291 Topics: Apoptosis, Biotechnology, Cancer, Chemistry, Medicine
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