Report Worksheet (4 pages max.) Experiment title: How Do We Identify an Unknown Substance? Guiding questions: State the question or questions that that you were trying to answer in this lab. How do you determine the two unknown types of plastic? What are the two unknown plastics? Safety considerations: Briefly describe the safety measures you had to take to perform the experiments. Before entering the lab‚ I put on my lab coat and practiced using my goggles in case
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HM130 Lab 1 SAFETY‚ EQUIPMENT ‚ AND THE SCIENTIFIC METHOD Name: 1. A student enters their laboratory setting and is getting ready to set up. What preparations should be made? (16 points) The pan student should know the reason for being there and be prepared with all the tools needed for the lab. They should follow all safety measures and make sure they understand the assignment. They should wear all PPE and read all instructions and labels carefully. The student should
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Produced by cell clusters in the pancreas called the Islets of Langerhans‚ insulin is a hormone that regulates glucose concentration in the blood. It is a protein synthesised and stored by beta cells‚ which secrete it in surges responding to changes in glucose levels. (Hardin‚ Bertoni and Kleinsmith‚ 2012) Fig 1. The Pancreas and Insulin |Source: University of Maryland (2011) | | |
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Starting Nmap 5.21 ( http://nmap.org ) at 2014-02-23 18:08 Pacific Standard Time NSE: Loaded 36 scripts for scanning. Initiating ARP Ping Scan at 18:08 Scanning 2 hosts [1 port/host] Completed ARP Ping Scan at 18:08‚ 0.63s elapsed (2 total hosts) Nmap scan report for 172.30.0.0 [host down] mass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using --system-dns or specify valid servers with --dns-servers Initiating SYN Stealth Scan at 18:08 Scanning
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Lab 8: Isopentyl Acetate CHM 2211L October 22‚ 2014 Abstract Many esters are naturally occurring compounds that are responsible for the fragrance of fruits and flowers. Isopentyl Acetate is the compound responsible for the smell of bananas. However‚ when Isopentyl acetate is treated with H3O+ it will hydrolyze back into the carboxylic acid‚ which will change the fragrance. In this experiment 3.11g of Isopentyl Acetate were produced with a 51.92 percent yield. Introduction Esters are carboxylic
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alatus (burning bush) leaves is extracted‚ then carotenes and xanthophylls will appear when a solvent‚ made of 9 parts petroleum ether and 1 part acetone‚ goes up Whatman #1 filter paper Purpose. The purpose of this experiment was to demonstrate the presence of carotenes‚ xanthophylls‚ and chlorophylls in leaves. Methods and Materials. A piece of Whatman #1 filter paper was cut to fit into an ignition tube. One end was cut to form a V‚ and the sides of the filter paper were made sure to not touch
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strongest will survive”‚ and undoubtedly‚ think of the strength of a lion or the ferociousness of a bear‚ but this is not always the case to being a dominant species in a community. In this lab‚ we will explore the theory of natural selection‚ or as Charles Darwin put it‚ “Survival of the fittest” (King et al‚ 1-14). Through this concept‚ we will come to the understanding that being the fittest is not about being the strongest or most cunning‚ but simple having the best attributes to survive in a
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Experiment 1: Mechanism of Nitrile Oxide and Alkene Cycloaddition 1. Purpose: to clarify the mechanism for the cycloaddition reaction between benzonitrile oxide and an alkene‚ and to test the regiochemistry of the reaction between benzonitrile oxide and styrene. 2. Plan: Each student in a group of three will work to create a reaction with the Benzonitrile Oxide with‚ cis-stilbene‚ trans-stilbene‚ or styrene in an Erlenmyer flask. With this Reaction solution thin layer chromatography will be
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The effect of alcohol concentration on the cell membrane Abstract: In this experiment I found out that as the concentration of the alcohol was increased so did the colour intensity of the solution. This is because the higher concentration of ethanol‚ results in more damage done to the cell membrane‚ resulting in leakage of red pigment from the cell. If the membrane is damaged more‚ more red pigment will leak out of the membrane and into the ethanol. Hypothesis: The higher the concentration
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“EXTRACTION AND QUANTIFICATION OF BRAIN TUMOR FROM MRI IMAGE” CHAPTER 1 INTRODUCTION 1.1 GENERAL: The principle task of our project is to recognize a tumor and its quantifications from a particular MRI scan of a brain image using digital image processing techniques and compute the area of the tumor by fully automated process. In medical imaging‚ segmentation of images plays a vital role in stages which occur before implementing object recognition
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