---
title: "202526 5355 - Optical Tweezers-Fluorescence Microscope"
ocid: "ocds-h6vhtk-05dd90"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05dd90"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05dd90.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05dd90.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UNIVERSITY OF LEEDS"
published: "2025-11-10"
---

# 202526 5355 - Optical Tweezers-Fluorescence Microscope

Buyer: UNIVERSITY OF LEEDS  
Current stage: Award  
OCID: ocds-h6vhtk-05dd90

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## Summary

The University of Leeds has successfully awarded a contract for the procurement of an Optical Tweezers-Fluorescence Microscope system to Lumicks B.V., a Netherlands-based supplier. This procurement falls under the industry category of molecular microscopes and is classified as public authority - sub-central government. The procurement followed a direct award procedure due to the unique technical capabilities and exclusive rights associated with the C-Trap® Dymo 400 system. The key milestones indicate the contract period will commence on 19th December 2025 and conclude on 18th December 2030. The process is currently in the award stage, with a scheduled future signature date of 18th November 2025.

This procurement initiative presents significant growth opportunities for businesses specialising in high-tech laboratory equipment, particularly those that can offer advanced scientific instruments with unique capabilities. Companies with a focus on developing or supplying cutting-edge microscopy and microfluidics technology are well-suited to compete in such tenders. The contract's specialised nature and its substantial value of £877,740.50 highlight the demand for exclusive, patent-protected technologies in academic and research institutions, making it a lucrative opportunity for qualified small and medium enterprises (SMEs) in the field.

## Notice

Purchase of an optical tweezer system with Total Internal Reflection Fluorescence (TIRF) microscopy and widefield microscopy plus microfluidics. To view this notice, please click here: https://neupc.delta-esourcing.com/delta/viewNotice.html?noticeId=992880616

### Procurement Information

This procurement is being undertaken via a single-source route due to the unique technical capabilities of the C-Trap(r) Dymo 400 and the exclusive rights held by its manufacturer, LUMICKS B.V. the unique elements of this are: * Multi-trap continuous-wave optical tweezers, * Multi-colour confocal fluorescence microscopy, and * Multi-channel laminar flow microfluidics. These technologies are protected by several granted patents, including: US9952421, EP3256254B1 (optical traps), US9766180, EP3004848B1 (fluorescence imaging), S11156513B2 (optical force measurement) and EP3737756B1 (DNA supercoiling). No other commercially available instrument can provide simultaneous, correlated forcedistance-fluorescence measurements with the required resolution and sensitivity. Key performance features exclusive to the C-Trap include: * Force resolution 0.1 pN and drift stability 0.3 pN over 2 minutes * Confocal localisation precision 15 nm * Real-time imaging of single molecules under physiological flow conditions * Escape force 1000 pN, allowing for broad biological applicability * Integrated hardware/software for fast setup and automated experimental workflows. Additionally, the system includes a complete service and application support package, exclusive training kits, and proprietary components that are not available from any other provider

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/072355-2025 |
| Notice type | UK5 - Transparency Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 10 Nov 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 10 Nov 2025 |
| Contract period | 19 Dec 2025 - 18 Dec 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £877,740 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Pending |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UNIVERSITY OF LEEDS |
| Locality | LEEDS |
| Post town | Leeds |
| Postcode | LS2 9JT |
| Country | England |
| ITL 1 | TLE Yorkshire and The Humber |
| ITL 2 | TLE4 West Yorkshire |
| ITL 3 | TLE42 Leeds |
| Local authority | Leeds |
| Electoral ward | Little London & Woodhouse |
| Westminster constituency | Leeds Central and Headingley |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | LUMICKS |

## CPV Codes

### Divisions

- 38 - Laboratory, optical and precision equipments (excl. glasses)

### Codes

- 38512200 - Molecular microscopes

## Release History

- 10 Nov 2025 at 12:05 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/072355-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/072355-2025
  10th November 2025 - Transparency notice on Find a Tender

## Notice URLs

- https://neupc.delta-esourcing.com/delta/viewNotice.html?noticeId=992880616
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05dd90. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05dd90.json.