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'Chains' make it easy to tune the color of these polymers

Potential uses include biomedicine, security printing, and solar energy.
Around the world, a huge amount of research and development work is underway on carbon-containing, or organic, molecules that emit colored light after appropriate excitation. The display industry and the development of biomedical imaging techniques drives this work.
While precise color tuning in organic fluorescent dyes has typically involved mixing different molecules, ETH Zurich researchers have now developed an approach that can generate a broad palette of colors with chemical adjustments within the molecules themselves.
Yinyin Bao, a group leader in the group of professor Jean-Christophe Leroux, and his team of scientists turned to fluorescent organic polymers. You can think of these polymers as moving chains of varying lengths. ....

Yinyin Bao , Jean Christophe Leroux , ஜீன் கிறிஸ்டோஃப் லேரௌுக்ஷ ,

Chain length determines molecular colour

Date Time
Chain length determines molecular colour
Researchers at ETH Zurich have developed fluorescent polymers whose colour can be easily tuned. Depending on their length, the polymers emit a different colour. Potential applications include biomedicine, security printing and solar energy.
These polymers, seen here under UV light, are composed of the exact same components. The only difference is their chain length. (Photograph: Suiying Ye / ETH Zurich)
Around the world, a huge amount of research and development work is currently being done on carbon-containing, or organic, molecules that emit coloured light after appropriate excitation. This research field is driven by the display industry and the development of biomedical imaging techniques. While precise colour tuning in organic fluorescent dyes has so far usually been achieved by mixing different molecules, ETH researchers have now developed an approach that can generate a broad palette of colours by way of che ....

Yinyin Bao , Jean Christophe Leroux , Chih Jen Shih , Royal Melbourne Institute Of Technology , Royal Melbourne Institute , ஜீன் கிறிஸ்டோஃப் லேரௌுக்ஷ , சிஹ் ஜென் ஷிஹ் , அரச மெல்போர்ன் நிறுவனம் ஆஃப் தொழில்நுட்பம் , அரச மெல்போர்ன் நிறுவனம் ,

How 3D Printing was Used to Create a New Airway Stent

How 3D Printing was Used to Create a New Airway Stent
Thought LeadersJean-Christophe Leroux
Professor of Drug Formulation and Delivery
Professor of Drug Formulation and DeliveryETH Zürich
AZoM speaks with Dr. Jean-Christophe Leroux, Professor of Drug Formulation and Delivery at ETH Zürich. Jean-Christophe and his team have developed a new 3D printed airway stent that will allow for the quick and safe treatment of upper airway obstructions.
What benefits will the 3D printed stent make to the treatment of upper airway obstructions?
3D printed stents based on CT scans perfectly fit the anatomical needs of individual patients, enabling them to stay at the place of the insertion. This unprecedented customization could be achieved in a short time and at a reasonable price. ....

United States , Leadersjean Christophe Leroux , Joan Nugentfeb , Joan Nugent , Jean Christophe Leroux , Daniel Franzen , University Of Geneva Switzerland , Institute Of Pharmaceutical Sciences , University Hospital Zurich , Head Of The Complex Materials Laboratory , University Of Montreal Canada , University Of Montreal , Drug Formulation , Science Advances , Digital Light Processing , Complex Materials Laboratory , Senior Physician , University Hospital , Christophe Leroux , Pharmaceutical Sciences , Pharmaceutical Technology , 3d Printing , Airway Stent , ஒன்றுபட்டது மாநிலங்களில் , ஜோன் நூஜெஂட் , ஜீன் கிறிஸ்டோஃப் லேரௌுக்ஷ ,

Researchers Use 3D Printing to Produce Bioresorbable Airway Stent

Researchers Use 3D Printing to Produce Bioresorbable Airway Stent
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Jean Christophe Leroux , Daniel Franzen , University Hospital Zurich , Head Of Complex Materials Group , Department Of Pneumology , University Of Zurich , Complex Materials , Drug Formulation , Science Advances , Senior Physician , Christophe Leroux , Complex Materials Group , ஜீன் கிறிஸ்டோஃப் லேரௌுக்ஷ , டேனியல் வெளிப்படையான , பல்கலைக்கழகம் மருத்துவமனை ஸுரி , தலை ஆஃப் சிக்கலான பொருட்கள் குழு , பல்கலைக்கழகம் ஆஃப் ஸுரி , சிக்கலான பொருட்கள் , மருந்து உருவாக்கம் , மூத்தவர் மருத்துவர் , கிறிஸ்டோஃப் லேரௌுக்ஷ , சிக்கலான பொருட்கள் குழு ,

3D-printed bioresorbable airway stent

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3D-printed bioresorbable airway stent
An ETH Zurich research team is using 3D printing to produce a new type of bioresorbable airway stent. This could greatly simplify the future treatment of upper airway obstruction.
Narrowing of the trachea or the main bronchi due to injury or illness can end very badly. If patients get too little oxygen, they risk suffocating and often need medical help as quickly as possible.
Surgeons insert stents made of medically usable silicone or metal as a way of treating these patients. Although they quickly bring relief, the implants also have disadvantages: Metal stents have to be removed surgically with some effort, which is a burden for the patients, while silicone stents often migrate away from the insertion site. The reason for this is that the implants are not adapted to a patient’s anatomy. ....

Jean Christophe Leroux , Daniel Franzen , University Hospital Zurich , Department Of Pneumology , Materials Group , University Of Zurich , Complex Materials , Drug Formulation , Senior Physician , Complex Materials Group , Science Advances , ஜீன் கிறிஸ்டோஃப் லேரௌுக்ஷ , டேனியல் வெளிப்படையான , பல்கலைக்கழகம் மருத்துவமனை ஸுரி , பொருட்கள் குழு , பல்கலைக்கழகம் ஆஃப் ஸுரி , சிக்கலான பொருட்கள் , மருந்து உருவாக்கம் , மூத்தவர் மருத்துவர் , சிக்கலான பொருட்கள் குழு ,