DR.EX™Blood insecticide-exposure screeningResults in 1 minute

DR.EX™ uses BChE screening to surface insecticide-exposure risk quickly for field teams and workforce health programs.

Results in < 1 minute
Field-deployable
ESG Data Included

Request a Free DemoView Packages

DR.EX™ screening kit — a 90 ml Coloring Agent A bottle and Substrate Solution dropper, photographed in an agricultural field — DR.EX™ Screening Kit

95%: accuracy vs. lab method
<1 min: results, right on site

Thai FDA Medical Device · Reg. No. 68-1-2-1-0000484 · valid until 31 Dec 2029

15,000+

field screening records

Clinical validation: 743 samples · 5 independent cohorts · AUC = 0.933

94.79%: Sensitivity
92.33%: Specificity
95.01%: Overall Accuracy
5,000+: people screened

Certified and partnered with

What our users say

Sumalai RakkhetkanManager, Lan Sak Agricultural Cooperative, Uthai Thani

Biomarker Risk Map — 5 levels

We measure Cholinesterase enzyme activity as a biomarker of organophosphate and carbamate insecticide exposure — higher activity indicates lower exposure risk.

Level 15

1 — Safe
Cholinesterase
>6,000 U/L
Status
Minimal exposure
Action
Normal
2 — Normal
Cholinesterase
5,100–6,000 U/L
Status
Within normal range
Action
Normal
3 — Normal Risk
Cholinesterase
2,900–5,100 U/L
Status
Early exposure
Action
Monitor
4 — Medium Risk
Cholinesterase
1,900–2,900 U/L
Status
Moderate level
Action
Improve
5 — High Risk
Cholinesterase
<1,900 U/L
Status
High, dangerous level
Action
Urgent

Reference method: Modified Ellman assay · WIPO PCT/TH2021 · TRL 9

Swipe sideways to see all columns

Risk-level table by Cholinesterase value, status, and recommended action
Level	Cholinesterase	Status	Action
1 — Safe	>6,000 U/L	Minimal exposure	Normal
2 — Normal	5,100–6,000 U/L	Within normal range	Normal
3 — Normal Risk	2,900–5,100 U/L	Early exposure	Monitor
4 — Medium Risk	1,900–2,900 U/L	Moderate level	Improve
5 — High Risk	<1,900 U/L	High, dangerous level	Urgent

Reference method: Modified Ellman assay · WIPO PCT/TH2021 · TRL 9

1
Draw 1 drop of blood (20 µL)
A 20-microliter micro-sample — painless, with no need to fast from food or water
2
Analyze with the DR.EX™ Kit
Cholinesterase activity is measured using the validated Ellman spectrophotometric method
3
Results within 1 minute
Identifies 5 risk levels with actual U/L values — no laboratory turnaround time
4
ESG report ready to use
Export an Aggregate Report for your Sustainability Report (GRI/TCFD) and ISO 45001 compliance documentation

Mobile Health Screening Process

A systematic 4-stage operational flow for group and community biomarker screening.

01 / Registration & Training

02 / Blood Collection & Testing

Collect single-drop blood samples on-site and run immediate reagent test analysis.

03 / Analysis & Reporting

Deliver individual risk reports and community-wide exposure summaries.

04 / Follow-Up & Monitoring

Monitor high-risk individuals, guide behavioral improvements, and schedule re-tests.

See the full technology & comparison

Transparency & Shared Mission with Thai Farmers

Discover how we support upstream agricultural partners and drive environmental and social sustainability.

Read Our Success Stories

See How to Use DR.EX™

Watch the demonstration video showing how DR.EX™ screens for insecticide exposure in blood, from drawing the sample to reading the result.

DR.EX™ Insecticide Exposure Screening Solution

Demetex Solution · Tap to watch in the YouTube app

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Request a Demo or More Information

Available nationwide — interested in a product demo or in becoming a reseller? Our team will respond within 1-2 business days.

News & articles

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Jun 09, 26

Supplier Recognition: Demetex Solution Co., Ltd.

Official Recognition of Demetex Solution Co., Ltd. as a Sustainable Supplier under the CSCAP–SSA Framework 2025-2026

Aug 16, 22

Demetex Solution Co., Ltd. participated in the Startup Pitching event organized by 88 Match & Mentor.

88 Match & Mentor organized a large event in collaboration with 88 SANDBOX and more than 30 partners, including both public and private sectors as well as investors, to meet with the top startup team, 88 Rising Star, who showcased their potential to raise funds for their business.

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Level

Cholinesterase

Status

Action

1 — Safe

>6,000 U/L

Minimal exposure

Normal

2 — Normal

5,100–6,000 U/L

Within normal range

Normal

3 — Normal Risk

2,900–5,100 U/L

Early exposure

Monitor

4 — Medium Risk

1,900–2,900 U/L

Moderate level

Improve

5 — High Risk

<1,900 U/L

High, dangerous level

Urgent

DR.EX™Blood insecticide-exposure screeningResults in 1 minute

What our users say