Sunday

X Factor UK (2009) Live Show 9 Performances (5 December 2009)

X Factor UK 2009 Live Show 9

Michael Jackson & Free Choice Week.

The performances must come from Michael Jackson (Part 1) & free choice (Part 2).

Danyl Johnson - Songs - Man In The Mirror - I Have Nothing (Whitney Houston)
Joseph McElderry - Songs - She's Out Of My Life - Open Arms (Journey)
Olly Murs - Songs - Can You Feel It - We Can Work It Out (The Beatles)
Stacey Solomon - Songs - The Way You Make Me Feel - Somewhere (Westside Story; music composed by Leonard Bernstein, lyrics by Stephen Sondheim)

Live Show 9 Performances:
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Dunce (Dictionary)


Dunce Definition:
  • A stupid person who is unable to learn what is being taught.
Dunce Synonyms:
  • Noun: - blockhead, booby, dolt, duffer, dullard, dunderhead, fool, numskull.
  • Plural: - dunces
Dunce Sentence:
  • Mary may have been a dunce at mathematics and art, but she was gifted at languages.
Dunce History:
  • Term derived via duns to dunse to dunce.
  • A term coined by detractors of John Duns Scotus and his followers (also known as Scotists) - meaning incapable of scholarship.
  • The term came to refer to anyone devoted to sophistry in their scholarship or argumentation.
  • During the English Renaissance (16th century), the term duns or dunce became for humanists & reformers, a term of abuse.
  • Dunces are often shown comedically wearing paper cone hats (dunce caps).

Image by Leo Reynolds (cc)


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Sudan Dyes


Sudan Dyes - Basic Facts:
  • Sudan dyes are red dyes.
  • They are used for colouring solvents, oils, waxes, shoe and floor polishes, & petrol.
  • They are not allowed to be added to food in the UK or the rest of the European Union.
Sudan Dyes - Food Issues:
  • Sudan dyes have been found in a large number of European food products which contain contaminated chilli powder (first noted in May 2003).
  • The food products affected include a number of relishes, chutneys & seasonings containing this chilli powder.
  • These contaminated chilli powder products were imported mainly from India.
  • Fresh chillies are not known to be affected.
  • In some countries, these dyes are still occasionally used to intensify the colour of bell pepper & chili powders.
Sudan Dyes - Health Effects:
  • Sudan dye degradation products are considered to be carcinogens & teratogens.
  • Sudan dyes have been shown to cause cancer in laboratory animals.
Sudan Refers To Several Dyes:
  • Sudan I
  • Sudan II
  • Sudan III
  • Sudan IV
  • Sudan Black B
  • Sudan Orange G
  • Sudan Red B
  • Sudan Red G
  • Sudan Red 7B

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Sudan Black B Dye (Histology Stain)


Sudan Black B Basic Facts:
  • Sudan Black B has the following formula - C26H24N4O (pictured).
  • Other names - Fat Black HB.
  • Dye class - Azo.
  • It is a fat-soluble (lysochrome) diazo dye.
  • Dark brown to black powder.
  • Maximum absorption at 596-605 nm.
  • Melting point 120-124 °C.
  • Insoluble in water.
  • Moderately soluble in ethanol.
Sudan Black B Actions:
  • Histologically used for staining of neutral triglycerides & lipids on frozen sections.
  • Also stains some lipoproteins on paraffin sections.
  • Stains structures blue-black.
Sudan Black B Other Features:
  • One of the dyes used for Sudan staining.
  • Other similar dyes include Oil Red O, Sudan III, & Sudan IV.
  • Can stain other materials, as it is not so specific for lipids as other sudan dyes.
  • Sudan Black B can also be used for fingerprint enhancement.
Clinical Facts:
  • Sudan Black stains lipofuscins (wear-and-tear pigments).
  • Helps in differentiating haematological disorders.
  • Sudan black stains myeloblasts, but not lymphoblasts.
  • Thus helps in identification of specific leukemias, particularly acute myelocytic leukemia.

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