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The IPD9600-BD28 is the 96-well ball dropper for 2.8 mm grinding balls, sold at $643 (same price as the 4 mm dropper sister IPD9600-BD4). The 2.8 mm bead size is engineered for microbial / cell-lysis workflows where the smaller bead delivers finer shear and lower per-impact kinetic energy than 4 mm or larger beads, matched to bacterial / yeast / fungal / mammalian cell-lysis kinetic-energy requirements where over-grinding would disrupt subcellular structures or compromise downstream extraction integrity.
For complete chemistry rationale (workflow accelerator, manual vs prefilled vs dropper-loaded comparison), see the IPD9600-BD4 sister page.
| SKU | IPD9600-BD28 |
| Type | 96-well ball dropper for 2.8 mm balls |
| Drop pattern | 96 wells (full-plate, one bead per well) |
| Bead size | 2.8 mm (smaller than 4 mm sister dropper; matched to cell-lysis kinetic energy) |
| Compatible chassis | IPD9600 BeadBlaster 96 |
| Compatible plate | IPD1196-MP 96-well sample plate (operator-loaded bead workflow) |
| Sister bead-size dropper SKUs | IPD9600-BD4 (4 mm balls, $643), IPD9600-BD5 (5 mm balls, $616) |
| Bulk bead pairing | D1133-28 (2.8 mm stainless steel balls, 1000/pk) |
| List price | $643 |
| Bead size | Typical kinetic energy | Best for sample type |
| 2.8 mm (this dropper) | Lowest in family | Microbial / bacterial / yeast / fungal cell lysis. Finer shear breaks cell walls without over-grinding; mammalian cell lysis where subcellular structure preservation matters |
| 4 mm (IPD9600-BD4) | Standard | Standard tissue homogenization (workhorse for animal / plant tissue) |
| 5 mm (IPD9600-BD5) | Higher | Tougher tissue / fibrous samples; slightly larger bead for higher kinetic energy |
Pick the 2.8 mm dropper when: workflow is microbial / cell-lysis at 96-well plate format. The smaller bead size delivers finer shear appropriate for cell-wall disruption without disrupting subcellular structures (typical mitochondria / nuclei preservation matters for downstream organelle-extraction workflows).
| SKU | Bead size | List price | Best for |
| IPD9600-BD28 (this product) | 2.8 mm | $643 | Microbial / cell-lysis workflows |
| IPD9600-BD4 | 4 mm | $643 | Standard tissue homogenization (workhorse) |
| IPD9600-BD5 | 5 mm | $616 | Tougher tissue / fibrous samples |
Microbial cell-lysis workflows. Bacterial, yeast, fungal cell-wall disruption at 96-well plate format for downstream nucleic-acid / protein extraction.
Mammalian cell-lysis workflows. Gentler cell lysis where subcellular structure preservation matters (mitochondria, nuclei, ER fractionation downstream).
High-throughput cell-culture sample prep. Sequencing core facilities running cell-line-derived sample prep at 96-well throughput.
Method-development workflows. Protocol-development comparing 2.8 mm vs 4 mm vs 5 mm bead-size effects on extraction yield + sample integrity.
Replacement / spare procurement. Labs replacing aging dropper inventory.
Pair with chassis + 96-well plate adapter. Confirm IPD9600 chassis + IPD9600-96 base adapter inventory.
Pair with 2.8 mm bulk bead inventory. Note: 2.8 mm beads are not in the standard Accuris bulk bead SKU lineup (which is 4 mm / 9.5 mm / 10 mm / 25 mm). Confirm 2.8 mm bead supply at order (operator-supplied or special-order through Benchmark Industrial).
Pair with sample plate inventory. Confirm IPD1196-MP 96-well sample plate ($104) and IPD1196-CM EVA cap mat ($102) inventory.
Confirm at quote: chassis pairing, workflow microbial / cell-lysis match (justifies 2.8 mm bead size selection), 2.8 mm bead supply, sample plate + cap mat inventory, and lead time.
Warranty: Per Benchmark Industrial standard accessory terms. Confirm at quote.
Benchmark Industrial IPD9600 96-well ball dropper family:
- IPD9600-BD28 (this product): 96-well dropper for 2.8 mm balls ($643), microbial / cell-lysis workflows
- IPD9600-BD4, 96-well dropper for 4 mm balls ($643), standard tissue homogenization
- IPD9600-BD5, 96-well dropper for 5 mm balls ($616), tougher tissue / fibrous samples
Pick the 2.8 mm dropper for microbial / cell-lysis workflows; sister 4 mm dropper for tissue homogenization.
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