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CHEMISTRY

DIPLOMA IN AGRICULTURE (FIRST YEAR)  1) CHEMISTRY= PDF DOWNLOAD Note:-          Topic included: Functional groups, Homologous series, IUPAC Nomencleature system, Alkanes,  2)CHEMISTRY=  PDF DOWNLOAD Note:-          Topic included: Ketones, Aldehydes, Ethers, Isomerism, Alkyl halides. 3) CHEMISTRY= PDF DOWNLOAD Note:-          Topic included: Organic Reaction, Bond fission, Inductive effect, Electrophiles and Nucleophiles, Resonance, 

Serum and plasma preparation

  Serum preparation  -Begin by collecting blood from animals with sterile syringes. - Place the blood in a clean tube and let it at room temperature for 15-30 minutes. - Place the tube in the centrifuge machine and spin it for 10-15 minutes at 3000 RPM to separate the serum from the blood cells. - After centrifuging the sample, the clot particles settle to the bottom and yellowish serum liquid comes on the surface.  - Extract the serum with a Pasteur pipette and preserve it for laboratory tests. plasma preparation When whole blood is collected in anticoagulant-treated tubes, plasma gets created. The blood does not clot in the plasma tube. Centrifugation is used to separate the cells. Using a Pasteur pipette, the supernatant, known as plasma, is carefully separated from the cell particle.