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CLINICAL CHEMISTRY > Instrumentation > Flashcards

Instrumentation Flashcards

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1
Q

For heating and sterilization

A

Borosilicate glasswares

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2
Q

Special alumina-silicate glass
Strengthened chemically than thermally
6x stronger than borosilicate

A

Corex (Corning)

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3
Q

For high thermal, drastic heat and shock

Can be heated to 900OC

A

Vycor (Corning)

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4
Q

Transport of quantity of analyte or rgt from one specimen rxn into another, and contaminating a subsequent one

A

Carry over

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5
Q

Multiple tests analyzed one after another on a given specimen

A

Sequential testing

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6
Q

System other than manufacturer’s reagents can be utilized for measurement

A

Open reagent system

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7
Q

One specimen

More than one test is analyzed

A

Parallel testing

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8
Q

All samples loaded at the same time

Single test is conducted on each sample

A

Batch testing

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9
Q 
4 or 5 layers:
-Spreading layer
-Scavenger layer - Ascorbate Oxidase
-Reagent layer
-Indicator layer
-Support layer
Colored reaction  Reflectance spectrophotometry
A

Thin-Film Analyzers

Dry slide technology

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10
Q 
Most popular
Req. vol: 2-6 μL
Uses positive-displacement pipets
Run multiple-tests-one-sample-at-a-time
Random access capability (STAT)
ex: 
Vitros
Dimension Dade
Beckman ASTRA System (4 & 8)
Hitachi
Bayer Advia
Roche Cobas Integra 800
Roche Analytics P Module
A

Discrete Analyzer

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11
Q

Acceleration and deceleration of the rotor

Advantage: Batch analysis

A

Centrifugal analyzer

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12
Q

Common reaction vessel
Air bubbles: separates and cleans
Glass coil: mix

Examples: “STS”
Simultaneous Multiple Analyzer (SMA)
Technicon Autoanalyzer II
SMAC

A

Continuous flow analyzer

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13
Q

Liquid: common reservoir –> dispense repeatedly

A

Dispenser/Dilutor pipet

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14
Q

Serological: w/ graduations to the tip (blowout)
Mohr: w/o graduations to the tip (self-draining)
Bacteriologic
Ball, Kolmer and Kahn
Micropipettes: <1 mL

A

Graduated or measuring pipet

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15
Q

Volumetric: for non-viscous fluid; self-draining
Ostwald folin: for viscous fluid; w/ etched ring
Pasteur: w/o consideration of a specific volume
Automatic macro-/micropipets

A

Transfer pipet

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16
Q

Soda-lime glass + Calcium, Silicon, Sodium oxides
Easy to melt
For making disposable glasswares

A

Flint glass

17
Q

w/ o etched rings

Drain by gravity

A

Self-draining

18
Q

w/ etched rings on top of pipet

A

Blowout

19
Q

Cleaning solution for glasswares

A

Acid dichromate

H2SO4 + K2Cr2O4

20
Q

alibrating medium for TC pipettes

A

Mercury

CLINICAL CHEMISTRY (5 decks)

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