MEDICALLY IMPORTANT BACTERIA | GRAM-POSITIVE BACTERIA * Alpha and gamma hemolysis on blood agar * Bacillus cereus colonies on blood agar * Beta-hemolysis on blood agar (S.aureus) * Beta-hemolysis on blood agar * Beta-hemolytic colonies on blood agar * Clostridium perfringens Gram stain * Corynebacterium diphtheriae Gram stain * Corynebacterium pseudotuberculosis on blood agar * Enterococcus faecalis * Enterococcus faecalis on blood agar * Enterococcus faecalis Gram stain
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products‚ the endo and exo products (Kilway‚ “Lecture”). In cases where dienes and dienophiles align above one another‚ the endo product is formed (Hunt). The endo product will have two axial substituent groups (Kilway‚ “Lecture”). This formation typically forms the major product because it takes less kinetic energy to be formed due to secondary orbital interactions with the substituents in transition states (Hunt). The rule that guides this principle is typically referred to as the “Alder Endo Rule”. In
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Organic Chemistry II Lab Diels Alder Reaction Purpose: In this experiment a Diels-Alder reaction was used to form the products. Cyclopentadiene and maleic anhydride were reacted together to form cis-Norbornene-5‚6-endo-dicarboxylic anhydride. 7-oxabicyclo{2.2.1}hept-5-ene-2‚3-dicarboxylic anhydride was also produced through a Diels-Alder reaction with the combination of furan and maleic anhydride. Equation: Procedure: Part 1 In a flask equipped with
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cis substituents‚ then two stereochemical outcomes are possible. The endo isomer is more sterically hindered than the exo. In spite of this‚ the endo tends to predominate in cases where the R substituents have a system that is conjugated with that of the dienophile double bond. During cyclization favorable interaction between the substituent system and that of the diene overcomes the steric hindrance and thus favors the endo isomer over the exo. Electron withdrawing groups on the dienophile and
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connected to the patient’s endo-tracheal tube. A small part of gas sample is aspirated to the sensor which is situated near the
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MICROMOTOR WITH CONTRANGLE & STRAIGHT HANDPIECE. 6.LIGHT CURE UNIT. 7.RVG 8.INTRA ORAL CAMERA. 9.ENDO MOTOR 10.APEX LOCATOR. 11.ELECTRO CAUTERY UNIT/LASER 12.CLINIC MANAGEMENT SOFTWARE. 13.RUBBER DAM LIST OF CLINICAL INSTRUMENTS---- 1. Mouth mirror 2. Explorer 3. St.probe’ 4. Tweezer 5. Endo box 6. Endo guaze 7. Flexible files 8. K files 9. H files 10. Barbed broaches 11. Hand pro taper 12. Endo explorer 13. Piezo-reamer 14. Gates-glidden drill 15. Paste carrier (lentulo-spirals) 16
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People come in all shapes‚ but most can be placed into a particular category of body type‚ mesomorph‚ ectomorph‚ or endomorph. These body types have different characteristics‚ and you should tailor your workout to whichever you belong. Here’s the skinny on the different types of bodies: A mesomorph (or meso‚ for short) can be defined in one word: muscular. If you’re a meso‚ your body type is usually the envy of all gym rats because you can increase your muscle size quickly and easily. The well-developed
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and Hoffmann rules 3) Cycloaddition Reactions (a) Definition and examples (b) Stereochemical aspects and the Woodward and Hoffmann rules (c) The Diels-Alder reaction (i) Stereospecific syn-addition (ii) Diene conformation (iii) Exo/endo stereoselectivity 4) Sigmatropic Rearrangements (a) Definition‚ examples and numbering NOTES 1) General Principles – Book reading is highly recommended for this topic (a) Reaction classes Only three reaction classes occur in (organic)
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Reminder: These notes are meant to supplement‚ not replace‚ the laboratory manual. A Diels-Alder Reaction History and Application: The 1950 Nobel prize in chemistry was awarded to Otto Paul Hermann Diels and Kurt Alder for their breakthrough work on the discovery and development of [4 + 2] cycloaddition reactions i. This set of reactions are enormously useful in the synthesis of six membered rings in a single stepii. These are used in many pharmaceutical applications. Tamiflu® is a drug which
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75 years ago‚ 120‚000 Japanese Americans went from living peacefully in their homes‚ to living in constant fear and misery in prison camps. Their crime? Being of Japanese descent. Words will never be able to fully explain the horrors that the Japanese American internees went through‚ but in this essay‚ their experiences will be explained with respect and as much effort as possible. Although anti-Japanese and anti-Asian prejudice has been engraved in America’s very bones for decades‚ the main cause
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