Presentation on theme: "1 HIV Drug Resistance Training Module 13: Equipment and Supplies."— Presentation transcript:
1 HIV Drug Resistance Training Module 13: Equipment and Supplies
2 Topics Overview of Responsibilities Equipment and Supplies Needed for Genotyping Equipment Use and Care
3 Objectives Identify specialized equipment and supply needs for a genotyping lab. Describe how to ensure quality through appropriate care and use of equipment.
4 A Systems Approach to Laboratory Quality Organization Stock Management SOP, Documents & Records Process Improvement Process Improvement Personnel Quality Control Occurrence Management Specimen Management Equipment Data Management Assessment Safety & Waste Management
5 Functioning Equipment is Vital to Quality Service Produces reliable test results Produces reliable test results Lowers repair costs Lowers repair costs Prevents delays in testing Prevents delays in testing Maintains productivity Maintains productivity Quality Results Quality Results Functioning Equipment
6 overview of responsibilities What are the responsibilities of lab management? What are the responsibilities of lab staff/technicians?
7 Management Responsibilities In the area of…Lab mgt. must ensure… Ordering pieces of equipmentEach piece meets needs and specifications of lab Receiving and installing equipment The lab is ready for installation Accountability and supervisionAssigning oversight responsibility for equipment Standard operating proceduresDevelop/delegate and approve equipment SOPs Operating equipmentTrain staff TroubleshootingTrain staff Inventory controlEstablish inventory record MaintenanceDevelop maintenance program
8 Staff/Technician Responsibilities Attend training and learn all procedures Properly use the instrument by following SOPs Perform routine maintenance –Routine function check –Troubleshooting –Maintenance log Take corrective actions: notifying lab manager when problems arise Keep records on maintenance and problems
9 Discussion How will you assign responsibilities for equipment among different members of management and staff?
10 equipment and supplies needed for genotyping What equipment and supplies do all labs need for HIVDR testing? What equipment and supply decisions depend on the testing method?
11 Core Laboratory Equipment Microcentrifuge Vortex Biological safety cabinet Agarose gel electrophoresis Computer, printer, Internet connection UV Imaging system Reliable power supply (Uninterruptible power supply, UPS, for short outages)
12 Core Laboratory Supplies Micropipettes Agarose gel electrophoresis, power supply Refrigerators and freezers Distilled, deionized water supply Sink Ice machine Timers
13 Equipment for Genotyping DNA sequencer PCR machine Dead-air cabinet (PCR workstation) Computer attached to sequencer Specialized software dependent on Platform used Sequencing kit May be influenced by platform (ViroSeq, TruGene, or In- house)
14 Laboratory Supplies Sequencer supplies: capillary array, polymer, buffers PCR supplies: tubes, plates, trays RNA/DNA purification: columns, buffers Electrophoresis: Agarose, ethidium bromide or other stains, buffers, MW markers/standards Sterile, RNAse-free water Pipette tips (aerosol-resistant for pre-PCR) Polaroid film or special printing paper Disposable gloves Lab coats (disposable or not)
15 Types of Pipettes Single, multichannel, automated, repeater Use disposable, single-use, pipette tips Positive displacement and aerosol barrier tips recommended for pre-PCR work
16 Equipment: Pre-Amplification Area, In-house Assay Essential: –Bench with sink / tap water –Biohazard flow, class IIb –Dead air cabinet (master mix preparation) –-20°C freezer and 4°C refrigerator –Microcentrifuge 12,500-15,000 g –Vortex –Timers –Dedicated set of micropipettes for master mix and RNA extraction Optional: –Ultracentrifuge 21,000-25,000 g –Dead air cabinet (RNA extraction) –-80°C freezer
17 PCR Workstations (Dead-air Cabinets)
18 Equipment: Post-Amplification Area, In-house Assay Essential: –Bench with sink / tap water –Dead air cabinet (nested reaction) –Thermal cyclers (e.g. ABI, Bio-Rad, Hybaid, etc) –Agarose gel apparatus –Photo documentation of agarose gel –DNA sequencer (e.g. ABI, Beckman) –Computer + programs (editing) –Microcentrifuge g –Vortex –Dedicated set of micropipettes –Timers –-20°C freezer –4°C refrigerator Optional: –-80°C freezer
19 ABI Sequencing Instruments
20 Alternative Sequencing Instruments Beckman CEQ8000/8800 TruGene
21 Remember Workflow! Consider lab layout (module 4) when planning equipment needs and placement
22 Reflection What is our “shopping list?”
23 equipment use and care What can we do to make sure our genotyping equipment is properly cared for?
24 Maintenance Properly maintained equipment is needed for quality results Maintenance: Routine and biannual or yearly scheduled maintenance –Reduces breakdowns –Reduces costs in the long run –Minimizes "down time"
25 Introducing New Equipment Calibrate or verify specified performance upon installation –Pipettes –Centrifuge –Vortex –Etc. Perform assay equivalence testing –Key components of the genotyping process (sequencer, PCR machine) –10-20 samples previously reported and verify results within expected range of variability
26 Maintenance: Function Checks Verify that equipment is working properly Performed routinely –Daily, weekly, monthly –After adjustment or repair Example: –Monitoring refrigerator temperatures –Verifying pipette accuracy –Checking centrifuge speed
27 Refrigerator and Freezer: Use and Care Keep organized Periodically clean inside and outside Ensure door is completed sealed when closing CAUTION! – DO NOT store food items or beverages in laboratory refrigerator or freezer
28 Refrigerator & Freezer: Temperature Checks Monitor daily –Refrigerator: 4°C (2°C to 8°C) –Freezer: -20°C (+/- 5°C) or -80°C (+/- 10°C) If possible install electronic monitoring and alarm system Avoid "frost-free" freezers for storage of critical reagents (enzymes, specimens, etc.)
29 Refrigerator & Freezer: Temperature Log
30 Keep a Log for All Maintenance Activities
31 Exercise: Create a Maintenance Activity List Purpose: –Use what you have learned in this module and create a maintenance checklist specific to your test site Process: –Work in groups of 3-4 (or by test site) –Create a list of maintenance activities on a daily, weekly, monthly, and yearly basis –You can use the handout as a starting point. –Activity time = 10 minutes
32 Discussion What equipment and supplies do all labs need for HIVDR testing? What equipment and supply decisions depend on the testing method? What challenges do you face in your setting regarding equipment and inventory supply?
33 Summary Overview of Responsibilities Equipment and Supplies Needed for Genotyping Equipment Use and Care