TopPette 12-Channel Adjustable Manual Pipette

TopPette 12-Channel Adjustable Manual Pipette

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Full-Plate 96-Well and 384-Well Processing
Primary Use: Provides a manual, 12-channel adjustable volume pipette with a lightweight ergonomic body and a digital volume display, used for the simultaneous transfer of samples, reagents, master mixes, and buffers across an entire column of a 96-well microplate or across a full row of a 384-well plate in a single action.

How it helps: For the clinical laboratory scientist and high-throughput screening technician, the TopPette 12-channel design allows complete loading of a 96-well plate in only 8 column-wise steps, reducing pipetting time by over 90% compared to single-channel pipettes. The precision piston mechanism delivers systematic error as low as ±2.4% and random error as low as ±1.6% at a 10 µL test volume, ensuring uniform reagent distribution across all twelve channels. For the patient, this consistency minimizes well-to-well variability in diagnostic tests such as ELISA, qPCR, and infectious disease serology, directly supporting accurate, reproducible results and reducing the need for repeat testing.

2. High-Throughput ELISA and Immunoassay Plate Loading
Primary Use: Used for the rapid and reproducible dispensing of antibodies, wash buffers, blocking solutions, and substrates across 96-well and 384-well ELISA plates, with volume adjustment from 0.5 µL to 300 µL depending on model selection, allowing full-plate processing in minutes.

How it helps: For the immunology laboratory technologist, the 12-channel format enables simultaneous loading of all wells in a single column, processing a 96-well plate in just 8 dispenses. The clear digital volume window and smooth volume adjustment mechanism prevent setting errors that could compromise assay validity. For the patient, precise and consistent reagent addition across all wells ensures that autoimmune disease markers, infectious disease antibodies, or allergy testing results are reliable and can be confidently used for clinical decision making.

3. qPCR and RT-PCR Master Mix Loading for 384-Well Plates
Primary Use: Enables the simultaneous transfer of PCR master mix, primers, probes, and sample templates into 384-well reaction plates with uniform volume delivery across all twelve channels, compatible with standard 384-well qPCR plates and robotic-compatible formats.

How it helps: For the molecular diagnostics specialist working with high-density plates, the TopPette 12-channel pipette reduces setup time for large-scale PCR workflows while maintaining the precision required for accurate quantification. The low-force plunger and ergonomic finger rest minimize user fatigue during repetitive plate loading. The staggered tip ejector reduces ejection force, protecting against repetitive strain injury. For the patient undergoing high-complexity genetic testing or pharmacogenomic screening, consistent master mix distribution ensures that each reaction amplifies with the same efficiency, producing reliable quantification cycle (Cq) values and accurate diagnostic calls.

4. Clinical Chemistry and Toxicology Panel Loading
Primary Use: Used for the accurate transfer of patient sera, plasma, urine, and calibrators from primary tubes to 96-well or 384-well assay plates for multiplex chemistry panels, therapeutic drug monitoring, and toxicology screens.

How it helps: For the core laboratory medical technologist, the 12-channel pipette allows rapid loading of up to 12 patient samples simultaneously into multi-well assay formats. The universal tip cone works with standard low-retention and filter tips, and the autoclavable lower housing allows routine decontamination between specimen batches. For the patient, fast, accurate sample transfer reduces turnaround time for critical results such as cardiac biomarkers, antiepileptic drug levels, or pain management panels, enabling timely clinical interventions.

SECONDARY & SUPPORTIVE USES

1. Cell culture media and buffer exchange in 96-well plates: Removes and replaces culture media, phosphate-buffered saline, trypsin, and other solutions from 96-well cell culture plates, allowing simultaneous treatment of twelve wells at once to maintain consistent cell growth conditions and reduce evaporation loss.

2. DNA and RNA extraction from 96-well and 384-well kits: Transfers binding buffers, wash buffers, and elution solutions across silica membrane or magnetic bead plates during high-throughput nucleic acid purification workflows, dramatically reducing processing time.

3. Protein quantification assays in high-density plates: Dispenses Bradford, BCA, or Lowry reagents into 96-well or 384-well microplates for high-throughput protein concentration determination in research and quality control laboratories.

4. Blood bank antibody screening and antigen typing: Loads red blood cell suspensions, antisera, and reagent red cells into 96-well microplates for high-throughput ABO/Rh typing, antibody identification, and crossmatching procedures in donor screening laboratories.

5. Drug discovery compound dispensing for HTS: Transfers test compounds, positive controls, vehicle solutions, and assay buffers into 384-well plates for high-throughput screening (HTS) of potential drug candidates, maximizing plate density and reducing reagent costs.

6. Neutralization and hemagglutination inhibition assays: Delivers serial dilutions of patient serum, virus suspensions, or red blood cells across 96-well or 384-well plates for virology and immunology applications such as antibody titer determination and vaccine efficacy studies.

7. Veterinary diagnostic testing at scale: Processes large numbers of animal serum, plasma, and tissue homogenates for infectious disease surveillance, vaccine response monitoring, and genetic screening in veterinary reference laboratories.

8. Food safety microbiology high-throughput screening: Transfers food homogenates, enrichment broths, and PCR reagents into 96-well plates for pathogen detection assays targeting Salmonella, Listeria, Campylobacter, and E. coli O157:H7 in food production quality control.

9. Environmental water testing for coliform quantification: Dispenses water samples, coliform growth media, and detection reagents into 96-well or 384-well formats for microbial water quality monitoring and most probable number (MPN) coliform quantification.

10. Forensic DNA quantification and STR setup: Loads extracted DNA samples and qPCR quantification reagents into 96-well plates for human identification workflows, ensuring consistent loading for STR analysis in forensic casework.

11. Academic research and teaching for advanced techniques: Serves as an efficient, ergonomic pipetting tool for graduate and postgraduate students learning multi-channel pipetting techniques for high-throughput molecular biology and biochemistry research.

12. Quality control in pharmaceutical manufacturing: Transfers dissolution samples, purified protein fractions, or chromatography fractions into 96-well plates for UV absorbance or HPLC analysis during drug product release testing and stability studies.

13. Next-generation sequencing library preparation and pooling: Dispenses diluted libraries, adapters, and pooling reagents across 96-well plates during NGS library preparation, normalization, and multiplex pooling steps for high-throughput sequencing runs.

14. Toxicity and viability assays for compound screening: Adds cell viability reagents such as MTT, XTT, resazurin, or CellTiter-Glo to 96-well or 384-well plates for IC50 determinations and cytotoxicity screening in pharmacology and toxicology research.