Floor Model Rotors
Beckman Coulter JA-14.50 Fixed-Angle Aluminum Rotor, 16 x 50 mL conical tubes - for Avanti J Series centrifuges (MPN B88554)
The Beckman Coulter JA-14.50 fixed-angle aluminum rotor (MPN B88554) is a BioSafe rotor designed for use with Avanti J Series centrifuges. It supports pelleting, density-gradient separations, and routine high-throughput centrifugation of biological samples.
- Holds sixteen 50 mL conical tubes.
- 35° fixed-angle design for compact pellets and efficient separation.
- Maximum speed 14,000 rpm for accelerated processing.
- k-factor 787 for performance characterization.
- Aluminum construction with BioSafe design for routine laboratory use.
- Nominal capacity 800 mL, rMIN 87 mm, rMAX 160 mm.
Beckman Coulter JA-17 Fixed-Angle Aluminum Rotor, 14 x 50 mL, 17,000 rpm
The Beckman Coulter JA-17 fixed-angle aluminum rotor (MPN 369691) is a high-force, large-volume rotor designed for pelleting bacteria, cell membranes, and subcellular organelles. It accepts fourteen 50 mL tubes and is rated to 17,000 rpm (39,800 x g). Available with a biosafety lid and compatible with J and J2 series centrifuge platforms.
- Capacity: 14 x 50 mL (nominal capacity 700 mL).
- Maximum speed: 17,000 rpm.
- Maximum RCF: 39,800 x g.
- Material: Anodized aluminum.
- Angle: Fixed-angle.
- Compatible with J and J2 series centrifuge platforms.
- Biosafety: Biosafety lid available.
- k-factor: 690.
- rMAX: 123 mm; rMIN: 56 mm; rAV: 90 mm.
- Compatible adapters: 342327, 357359, 357360, 357361, 357362, 870329.
INTACT GENOMICS INC IG C43(DE3)pLysS Chemically Competent Cells 6x50µl
These chemically competent cells are engineered for high-efficiency transformation and stable expression of toxic or difficult proteins within IPTG-inducible T7 systems. Derived from BL21(DE3), this strain offers improved tolerance to toxic proteins, while the pLysS plasmid works to suppress basal expression, thereby stabilizing challenging constructs.
- T7 expression strain
- Selected for expression of toxic proteins
- Suitable for expression of toxic genes
- Chloramphenicol-resistant (12.5 μg/ml)
- High-efficiency transformation
- Improved tolerance to toxic proteins
- Suppresses basal expression of T7 RNA polymerase
INTACT GENOMICS INC Recombineering Chemically Competent Cells 6x50µl
Intact Genomics (IG™) Recombineering Chemically Competent Cells enable high-efficiency transformation for DNA, plasmid, and BAC engineering, and homologous recombination. Derived from SW102 (a DH10B background strain), they feature a defective lambda prophage and a galK deletion for efficient DNA/BAC modification via galK positive/negative selection. The cells are tetracycline resistant (5 μg/mL).
- High transformation efficiency.
- Supports DNA, plasmid, and BAC engineering, plus homologous recombination.
- Enables precise modification using galK positive/negative selection.
- Derived from SW102 (DH10B background).
- Heat-inducible prophage with red genes (exo, bet, gam), repressed at 32 °C and induced at 42 °C.
- Tetracycline resistant (TetR: 5 μg/ml).
Beckman Coulter MLA-150 Fixed-Angle Rotor Package for Optima MAX series ultracentrifuges
The MLA-150 Fixed-Angle Rotor Package is a titanium fixed-angle ultracentrifuge rotor designed for high-speed separations in benchtop ultracentrifuges. It accommodates eight 2.0 mL tubes and is intended for applications such as subcellular fractionation, virus pelleting, protein purification, and nucleic acid separations.
- Constructed from titanium for high strength and corrosion resistance.
- Rated to 150,000 rpm and up to 989,000 x g for high-speed separations.
- Holds eight 2.0 mL tubes (total capacity 16 mL).
- Compact design with a low k-factor for efficient pelleting.
- Includes floating tube spacers and adapters for secure tube positioning during runs.
Beckman Coulter TLA-120.1 Fixed-Angle Rotor Package, Titanium, 14 x 0.5 mL
The TLA-120.1 fixed-angle rotor package is a titanium ultracentrifuge rotor designed for high-speed separations such as rapid pelleting of subcellular fractions and plasmid DNA preparation. It supports small-volume tubes and is intended for use on compatible tabletop ultracentrifuge platforms.
- Fixed-angle titanium construction.
- Maximum speed 120,000 rpm and 627,000 xg.
- Holds 14 x 0.5 mL tubes.
- K-factor of 8 for rapid separations.
- rMAX 38.9 mm, rMIN 24.5 mm, rAV 31.8 mm.
- Suitable for ultracentrifugation applications requiring high g-force and short run times.
ATLANTIC BIOPHARM SOLUTIONS LLC 3/4 BIOFLEX WHITE PLST CLAMP
3/4" Bioflex White Plastic MiniTri-Clamp
INTACT GENOMICS INC IG C43(DE3) Chemically Competent Cells 6x50µl
Intact Genomics (IG®) C43(DE3) Chemically Competent Cells are optimized for toxic and difficult protein expression using IPTG-inducible T7 promoter vectors. This BL21(DE3) mutant strain was selected from C41(DE3) survivor cells that overexpressed toxic subunit b of E. coli F-ATPase. C43(DE3) has mutations to prevent cell death during recombinant protein expression and effectively expresses toxic proteins from diverse organisms. Performance is patent-validated and supported by numerous publications.
- Optimized for toxic and difficult protein expression.
- Mutant BL21(DE3) derivative with improved protein yield.
- Mutations prevent cell death during recombinant protein expression.
- Effective for expressing toxic proteins from diverse organisms.
- Transformation efficiency ≥ 3.0 x 107 cfu/μg pUC19 DNA.
- Shipped on dry ice.
INTACT GENOMICS INC IG C41(DE3) Chemically Competent Cells 6x50µl
C41(DE3) Chemically Competent Cells are engineered for transformation and recombinant protein expression using IPTG-inducible T7 promoters. Derived from a BL21(DE3) mutant, this strain prevents cell death commonly associated with expressing toxic recombinant proteins, offering a solution when standard BL21(DE3) strains are insufficient. These cells efficiently express toxic proteins from a diverse range of organisms, validated by extensive research.
- Engineered for improved tolerance to toxic protein expression.
- Maintains reliable T7-driven performance.
- Derived from BL21(DE3) to reduce cell death.
- Suitable for expression of toxic proteins from diverse organisms.
- Transformation efficiency of at least 3.0 x 107 cfu/μg pUC19 DNA.
- Chemically competent cell type.
- Species: *E. coli*.
- Strain: C41(DE3).
- Supplied in tubes.
- Shipped on dry ice.
Beckman Coulter JA-14.50 Fixed-Angle Rotor, 16 x 50 mL, single-locking lid (B88555)
The Beckman Coulter JA-14.50 (B88555) fixed-angle rotor is engineered for high-throughput processing of 16 x 50 mL conical tubes. It delivers up to 14,000 rpm (35,100 x g) for pelleting and density gradient separations, and features a single-locking lid and lightweight construction for easier handling.
- Holds 16 x 50 mL conical tubes.
- Fixed-angle design for efficient pelleting and density gradient separations.
- Maximum speed 14,000 rpm; maximum RCF 35,100 x g.
- Single-locking lid for secure operation.
- Lightweight construction for easier handling and installation.
- Designed for use in high-speed refrigerated centrifuges.