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Sealed-Flow Quartz Dual-Channel Fluorescence...

Sealed-flow Quartz dual-channel fluorescence cuvettes for lab analysis

Leak-proof Quartz dual-channel fluorescence cuvettes for spectroscopy systems

Flow-through Quartz dual-channel fluorescence cuvettes for automated sampling

Precision-sealed Quartz dual-channel fluorescence cuvettes for bioassays

Dual-port Quartz dual-channel fluorescence cuvettes for kinetic studies

Sealed-Flow Quartz Dual-Channel Fluorescence Cuvettes for Spectroscopy Systems -TOQUARTZ®

TOQUARTZ® High-precision dual-channel fluorescence cuvette made from premium quartz (≥99.98%, max. up to 99.995% SiO₂) with excellent UV-VIS-NIR transmittance. Features PTFE screw cap and dual inlet/outlet ports for sealed, leak-proof fluorescence spectroscopy and micro-volume analysis in laboratory settings.

No MOQ

Custom Design

Factory Direct

Tech Support

Features of Quartz Dual-Channel Fluorescence Cuvettes

The TOQUARTZ® Quartz Dual-Channel Fluorescence Cuvette combines premium materials with precision engineering to deliver exceptional performance for demanding spectroscopy applications. Our high-purity quartz construction ensures optimal light transmission and chemical stability for accurate and reliable analytical results.

Material Purity

Crafted from high-purity fused quartz (≥99.98%, max. up to 99.995% SiO₂) to ensure exceptional optical clarity and chemical stability. Ideal for sensitive analytical applications requiring precise measurements.

Dual-Channel Design

Featuring dual inlet/outlet ports for continuous flow, automated sampling, or gas purging capabilities. The integrated design minimizes sample loss and ensures consistent analytical conditions.

Secure Sealing System

Engineered with a PTFE screw cap and precision O-ring for hermetic sealing. Prevents sample evaporation and contamination, crucial for accurate analysis of volatile or sensitive compounds.

Optical Performance

Wide spectral transmission range (200nm-2500nm) with transmittance >80% (paired testing). Provides clear optical path for accurate UV-VIS-NIR spectroscopy and fluorescence measurements.

TOQUARTZ® Quartz Dual-Channel Fluorescence Cuvettes

Technical Specifications & Dimensions of Quartz Dual-Channel Fluorescence Cuvette

TOQUARTZ® quartz dual-channel fluorescence cuvettes are manufactured to precise specifications, ensuring consistent performance across analytical applications. Below are the detailed technical parameters for our standard models.

Technical Specifications

Parameter	Specification
1. Physical Properties
Material	High-purity quartz (≥99.98%, max. up to 99.995% SiO2)
Density	2.2 g/cm³
Thermal Expansion	5.5×10-7/℃
Surface Finish	Polished optical faces
2. Chemical Properties
Acid Resistance	Excellent (except HF)
Alkali Resistance	Good at room temperature
Solvent Resistance	Excellent for all organic solvents
Water Absorption	< 0.001%
3. Optical Properties
Transmission Range	200-2500nm
UV Cutoff	< 200nm
Refractive Index	1.46 at 589.3nm
Transmittance	>80% (paired testing)

Size Chart

Model	Description	Wavelength	Path Length	Volume	Transmittance	Outline Dimension
AT-BSM-6001	Quartz dual-channel fluorescence cuvette	200nm-2500nm	10mm	350μl-3500μl	>80% (Paired Testing)	12.5×4.5x55mm

Model	Description	Wavelength	Path Length	Volume	Transmittance	Outline Dimension
AT-BSM-6001-1	Quartz fluorescence cuvette with dual ports	200nm-2500nm	10mm	350μl-3500μl	>80% (Paired Testing)	12.5×4.5x45mm

Note: We offer custom specifications to meet your specific requirements. Contact our engineering team for consultation.

TOQUARTZ® Solving Challenges in Fluorescence Spectroscopy Analysis with Quartz Dual-Channel Fluorescence Cuvette

Quartz Dual-Channel Fluorescence Cuvette in Real-Time Cell Metabolism Monitoring

In pharmaceutical R&D and biomedical labs, real-time fluorescence-based monitoring of cellular metabolism (e.g., NADH, FAD autofluorescence) requires continuous perfusion of live cell cultures under controlled conditions. Traditional open cuvettes or single-port designs often lead to sample evaporation, oxygen contamination, or inconsistent flow rates, compromising data integrity in long-term kinetic studies.

Key Advantages

Maintains oxygen stability within ±0.5% O₂ for 2+ hours
Dual-channel sealed design prevents ambient gas exchange during long-term NADH/FAD fluorescence assays.
Supports perfusion rates from 0.1 to 2.5 mL/min without flow disruption
Precision-aligned inlet/outlet ports ensure laminar flow across the optical path in live-cell systems.
Reduces sample evaporation by >95% compared to open-top cuvettes
PTFE screw cap with O-ring seal eliminates volume loss in 37°C incubated fluorescence chambers.

TOQUARTZ® solution

A biomedical lab in Boston reported 18% signal drift in 3-hour NADH assays due to oxygen fluctuation and evaporation in open cuvettes. After switching to TOQUARTZ® dual-channel cuvettes, signal deviation dropped to <2%, enabling stable metabolic profiling of HepG2 cells under continuous perfusion at 1.2 mL/min.

Quartz Dual-Channel Fluorescence Cuvette for Inline Protein Folding Kinetics in Bioprocessing

In biopharmaceutical manufacturing, inline fluorescence spectroscopy is used to monitor protein folding and aggregation during purification. These processes often involve high-flow buffer exchange and require real-time detection of tryptophan or extrinsic dye fluorescence. Standard cuvettes cannot handle continuous flow or pressure changes, leading to leaks, sample loss, or inconsistent optical paths.

Key Advantages

TOQUARTZ® solution

A German CDMO experienced 9% batch rejection due to inconsistent tryptophan fluorescence during inline folding. TOQUARTZ® cuvettes enabled stable signal acquisition at 3.5 mL/min flow, reducing rejection to <1.5% and improving batch release timelines by 2 days.

Quartz Dual-Channel Fluorescence Cuvette in Environmental Microfluidic Pollutant Detection

Environmental monitoring systems increasingly use microfluidic fluorescence sensors to detect trace pollutants (e.g., PAHs, heavy metals) in water. These systems require sealed, low-volume cuvettes with dual flow channels to integrate with micro-pumps and avoid sample evaporation or cross-contamination. Conventional cuvettes lack the sealing and flow compatibility needed for field-deployable systems.

Key Advantages

TOQUARTZ® solution

A Canadian startup deploying mobile PAH sensors in rivers reported 22% sensor failure due to leakage in standard cuvettes. After adopting TOQUARTZ® dual-channel cuvettes, leak rate dropped below 0.01 mL/h, enabling 72-hour continuous deployment with >98% data integrity in field trials.

TOQUARTZ® Customization Options for Quartz Dual-Channel
Fluorescence Cuvette

TOQUARTZ® offers comprehensive customization services to meet your specific analytical requirements. Our engineering team works directly with you to design and manufacture quartz dual-channel fluorescence cuvettes tailored to your unique applications.

Dimensional Customization

Material and Finish Options

Integration Solutions

Usage Guide of Quartz Dual-Channel Fluorescence Cuvettes

Proper handling and maintenance of quartz dual-channel fluorescence cuvettes are essential for obtaining accurate results and extending product lifespan. The following guidelines will help you maximize performance and durability.

Handling and Sample Introduction

Cleaning and Maintenance

Rinse immediately after use with appropriate solvent, followed by distilled water. For protein residues, use enzymatic cleaners.
For stubborn contaminants, soak in 2-5% Hellmanex™ solution for 30 minutes, then rinse thoroughly with distilled water.
Avoid using HF or strong alkaline solutions, as these can etch quartz surfaces.
Dry using filtered compressed air or nitrogen, or air-dry in a dust-free environment.
Store in the original container or dedicated cuvette holder to prevent damage to optical surfaces.

Best Practices for Optimal Results

Allow solutions to equilibrate to room temperature before measurement to prevent condensation.
Ensure the PTFE cap is properly tightened to prevent leakage but avoid over-tightening.
Inspect O-rings regularly for wear and replace if necessary to maintain proper sealing.
For fluorescence measurements, use matched pairs of cuvettes for reference and sample to ensure comparable optical properties.
When connecting to automated systems, use compatible tubing (typically PTFE or FEP) with appropriate inner diameter.

Need Expert Assistance with Quartz Dual-Channel Fluorescence Cuvettes?

Our engineers are ready to help you select the right quartz dual-channel fluorescence cuvette for
your application or develop a custom solution that meets your specific requirements.
Contact us today for a consultation.

Contact Our Engineer

Why Partner with TOQUARTZ

Direct Factory Advantage

As a direct manufacturer, we can cut out the numerous intermediate links.

Engineering Expertise

Technical team guides clients from material selection to design optimization, translating specs into deliverables.

Flexible Manufacturing

Handling standard & custom orders via small-batch expertise and prototyping rigor to meet urgent deadlines.

Quality
Assurance

Pre-shipment 3-step validation:
1. dimensional accuracy,
2. material purity ,
3. performance thresholds

Global Supply Chain

Reliable global logistics to industrial hubs (DE/US/JP/KR priority) with trackable milestones.

Releted Products

As a specialized manufacturer with direct factory capabilities, TOQUARTZ provides both standard and custom quartz solutions with engineering support throughout the specification and implementation process.

Open-Access Quartz Fluorescence Cuvette without Caps for Spectral Analysis -TOQUARTZ®

Gas-Tight Quartz Atomic Gas Cell Cuvettes for Fluorescence Spectroscopy -TOQUARTZ®

Reflection-Minimized Triangular Quartz Fluorescence Cuvettes for Lab Fluorometry -TOQUARTZ®

5-Sided Quartz Fluorescence Cuvettes for Spectroscopy Systems -TOQUARTZ®

Automated-Loading Quartz Cuvette with Funnel Top for Fluorescence Assays -TOQUARTZ®

Four-Sided Optical Quartz Flow Cell Fluorescence Cuvettes for Continuous Fluorescence Analysis -TOQUARTZ®

FAQ

Q: What is the purpose of dual channels in a fluorescence cuvette?

A: Dual channels (inlet/outlet ports) allow for continuous sample flow, enabling real-time monitoring of reactions, automated sample exchange, and integration with flow-through analytical systems without removing the cuvette from the instrument.

Q: How does the PTFE screw cap seal the cuvette?

A: The PTFE screw cap includes an integrated O-ring that creates a hermetic seal when properly tightened. This prevents sample evaporation and contamination during extended measurements or when working with volatile compounds.

Q: What is the difference between the AT-BSM-6001 and AT-BSM-6001-1 models?

A: The primary difference is in the overall height: AT-BSM-6001 has a height of 55mm, while AT-BSM-6001-1 is 45mm. Both feature the same path length, volume capacity, and optical performance, but the different heights accommodate various instrument configurations.

Q: Can I use these cuvettes with corrosive solutions?

A: Yes, quartz is highly resistant to most chemicals including acids (except HF), bases, and organic solvents. The PTFE cap also offers excellent chemical resistance. For highly corrosive applications, we recommend discussing your specific chemicals with our technical team.

Q: How do I connect tubing to the dual ports?

A: The standard ports accept 1/16″ (1.6mm) OD tubing, with PTFE or FEP tubing recommended for most applications. Adapters for other tubing sizes are available upon request. Gentle pressure is sufficient to create a seal; over-tightening connectors may damage the ports.

Contact our engineering team for technical consultation and pricing. We’ll help you select the optimal specifications for your application requirements.

Sealed-Flow Quartz Dual-Channel Fluorescence Cuvettes for Spectroscopy Systems -TOQUARTZ®