Cholesterol: A Patient Conversation SC121 Unit 2 Assignment Jessica Alstot 10/28/14 Hello Mr. Brown‚ Well your cholesterol tests came back and they are better than I expected them to be. Your total cholesterol was 210 mg/dL which is on the higher end but not irreversible. Your triglycerides were at 145 mg/dL‚ a normal level range is anything below 150 mg/dL. Your HDL‚ or high density lipoprotein‚ which is good cholesterol‚ was at 33 mg/dL. 33 is on the low side‚ the higher the number‚
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1. Cellulose‚ starch‚ and glycogen are very similar‚ yet very different. Describe the process by which each of these molecules is formed. Why does the subtle difference in how the simple sugar monomers are bonded in starch and cellulose affect how the two molecules are used? Cellulose is built from glucose molecules bonded covalently together through a process known as hydrolysis. Hydrolysis is a chemical process in which a molecule of water is added to a substance. Each alternating glucose
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The purpose of the experiment was to perform an electrophilic addition reaction by the bromination of cinnamic acid. The product of this reaction is 3-Phenyl-2‚3-dibromo propionic acid‚ which is purified by recrystallization. Cinnamic acid (3-phenylprop-2-enoic acid) is an unsaturated carboxylic acid. The electron rich π cloud (see Figure 1) in the double bond of this structure is nucleophilic and can be considered a Lewis base. It can therefore be saturated by the addition of a halogen to the double
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Bromination of trans- Stilbene to form 1‚2- Dibromo- 1‚2-diphenylethane Abstract 1‚2-dibromo-1‚2-diphenylethane was produced by the bromination of trans-stilbene through the addition of hydrobromic acid (HBr) and hydrogen peroxide (H2O2). This experiment was a greener bromination of stilbene because bromine was generated in situ and ethanol was used as the solvent. The melting point (243.30°C)‚ mass (.427g)‚ and percent yield (45.54) of the crystals were recorded. The FTIR
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ANALYTICAL SCIENCES FEBRUARY 2012‚ VOL. 28 2012 © The Japan Society for Analytical Chemistry 187 Advancements in Instrumentation Development of an Electrochemical Cholesterol Sensor System for Food Analysis Tsutomu NAGAOKA‚*† Shiho TOKONAMI‚** Hiroshi SHIIGI‚* Hiroaki MATSUMOTO‚* Yasuhiro TAKAGI‚*** and Yasunori TAKAHASHI*** *Department of Applied Chemistry‚ Graduate School of Engineering‚ Osaka Prefecture University‚ 1-2 Gakuen-cho‚ Naka‚ Sakai 599–8570‚ Japan **Nanoscience and Nanotechnology
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Mikkelson‚ A. C.‚ Hesse‚ C.‚ & Pauley‚ P. M. (2007). Affectionate writing reduces total cholesterol: Two randomized‚ controlled trials. Human Communication Research‚ 33‚ 119-142. In the article‚ “Affectionate Writing Reduces Total Cholesterol: Two Randomized‚ Controlled Trials‚” the authors set out to show that writing down affectionate thoughts about close family and friends can reduce your total cholesterol levels. They continue by stating that one can find mention of affection in almost all studies
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chemistry experiment involved carrying out the first three parts of the Cyclohexanol Cycle. The cyclohexanol was first converted to cyclohexene and water by simple distillation (product: 6.5395g‚ 79.75% recovery). The cyclohexene then underwent a bromination reaction by addition of concentrated HBr and a 30% H2O2 solution‚ followed by an extraction of the aqueous phase. This produced trans-1‚2-dibromocyclohexane (product: 12.8886g‚ 67.34% recovery). The trans-1‚2-dibromocyclohexane was reduced by zinc
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foam (furniture padding) http://clinmedres.org/content/1/4/281.short. Similar in structure to polychlorinated biphenyls (PCBs)‚ PBDEs resist degradation in the environment. PBDEs were typically produced commercially at three different levels of bromination; nominally penta-‚ octa- and deca-BDE. The deca-PBDE formulation made up 83.3% of the 2001 PBDE global market demand‚ followed by penta- 11.1%‚ and octa- 5.6 %( LaA Guardia et al 2006). While PBDE’s are shown to be harmful in that they are bioaccumulative
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Mechanism 4 shows the debromination of 2α-bromocholestan-3-one to give 4. This mechanism which is similar to a Favoskii rearrangement‚ is likely to go via this path as other research has shown that there is often a by-product with this reaction. The by-product is cholest-4-en-3-one which requires the intermediate seen in the third molecule in the above mechanism. The intermediate is highly strained and with the presence of base a proton will be extracted which aids the collapse of the three membered
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Preparation of 4-bromoaniline Introduction Aromatic compounds tend to undergo electrophilic aromatic substitutions rather than addition reactions. Substitution of a new group for a hydrogen atom takes place via a resonance-stabilized carbocation. As the benzene ring is quite electron-rich‚ it almost always behaves as a nucleophile in a reaction which means the substitution on benzene occurs by the addition of an electrophile. Substituted benzenes tend to react at predictable positions. Alkyl groups
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