Lynk Solutec, a South Korean medical device company, announced that its coating material was used in a study led by a Yonsei University research team, published in the international journal Small.

The paper, “Gas-Specific and Tunable Hydrogen-Selective ZIF Membrane through Combined Physical Confinement and Sealing Techniques” (Choi E. et al., Small, 21(34), 2501590), was published on July 1, 2025, in a journal with an impact factor of 12.1. Lynk Solutec co-CEOs Yeontaek Lee and Jungmok Seo are listed among the paper’s authors, having contributed under their academic affiliation with Yonsei University.

To address non-selective gas leakage through grain boundaries in hydrogen-selective ZIF-8 membranes, the research team developed a sealing method that combines dip-coating a fluorinated polymer onto a graphene-nanoribbon-hybridized ZIF-8 membrane with reactive ion plasma treatment. The fluorinated coating material used in this sealing process is Lynk Solutec’s hydrophobic coating agent, LYNKCOAT™ S Series, formerly known as Lynksolution A1. Membranes treated with this method achieved a hydrogen permeance of 1.3 × 10⁻⁶ mol m⁻² Pa⁻¹ s⁻¹ and an ideal H₂/N₂ selectivity of 209; the paper does not provide a direct quantitative benchmark against commercial membranes.

“This study, conducted by an external research team, validated that our coating platform can extend beyond medical device surface treatment into industrial applications such as hydrogen purification membranes,” said Yeontaek Lee, CEO of Lynk Solutec. “Over the long term, we will explore diversifying our coating applications into industrial markets.”

This achievement does not translate into immediate revenue; its significance lies in third-party validation of the company’s coating platform technology. Lynk Solutec is reviewing entry into industrial coating markets, including semiconductors and energy, in addition to its existing medical device coating business, and plans to explore further collaboration with research institutions and companies following this academic milestone.

About Lynk Solutec
Lynk Solutec (lynksolutec.com) is a South Korean medical device company specializing in ophthalmic and urological surgical products. The company develops and commercializes the LYNKS product line, including the LYNKS Frontalis Suspension Set — a rare medical device designation product currently advancing through clinical trials toward U.S. market entry. Lynk Solutec holds FDA Class I registration and GMP Certificate of Conformity for its lead product, and is actively expanding its global presence through international trade shows and regulatory milestones.

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Jungmok Seo, CEO of LynkSolutec (pictured right), poses for a commemorative photo with Ki-yong Song, Managing Director of Moneytoday, after receiving the ‘R&D Innovation Grand Prize’ in the ‘Medical Device Coating Technology’ category at the ‘2024 10th Korea Business Awards’ ceremony hosted by Money Today. The event was held at the Korea Press Center in Jung-gu, Seoul, on the afternoon of the 20th.

LynkSolutec is a startup that developed ‘Lynk Coating,’ a medical coating technology that addresses complications such as infection, inflammation, and thrombosis during surgery. The company is a spin-off from Yonsei University’s BioLogical Interfaces and Sensor Systems Laboratory. A company representative stated, “We won two Innovation Awards at the 2024 Consumer Electronics Show (CES),” adding, “We will present a new paradigm that minimizes side effects of implantable medical devices.”

Lynk Solutec, a medical device surface coating company led by CEO Jungmok Seo, announced on the 17th that it has recently obtained a patent for an ‘endoscope coating.’

The official title of this patent is ‘Coating Composition for Endoscope Protection.’ This coating composition, when applied to an endoscope, prevents the adhesion of biological substances like blood and fogging. It can protect the surface of the endoscope’s distal end, such as the lens and cap, in the form of a coating or film.

Endoscopes are medical instruments used with cameras to observe and diagnose the inside of a patient’s body before, during, and after surgery in various medical fields. The company emphasized, “Maintaining a clear view during endoscopic procedures is directly linked to the success of the surgery, which makes continuous research and improvement essential.” They further explained, “Currently, doctors must manually clean the lenses or frequently apply anti-fog agents. This process extends surgery time by approximately 20%, increasing medical staff fatigue and the risk of patient infection during endoscope re-insertion.”

Jungmok Seo, CEO of Lynk Solutec, said, “This patented technology is a special coating that fundamentally prevents the adhesion of blood, moisture, mucus, and bacteria. By applying a coating layer on the endoscope cap or distal end, it ensures a clearer view.” He added, “We expect this technology to be widely applicable in various endoscopic fields, including gastrointestinal endoscopy, laparoscopy, bronchoscopy, and surgical robots.”

Lynk Solutec is a spin-off from BioLogical Interface and Sensor System Lab at Yonsei University. The company has developed medical coating technology called ‘Lynk Coating,’ which addresses complications such as infections, inflammation, and thrombus formation during surgery. With this technology, they have introduced innovative medical devices, including endoscope caps that help secure visibility during endoscopic surgeries and ureteral stents that prevent calcification.