Archive for the ‘Emerging Investigators’ Category

Polymer Chemistry Emerging Investigator- Myungwoong Kim

Myungwoong Kim received his B.S. in Chemistry (2002) and M.S. in Physical Chemistry (2004) from Hanyang University under supervision of Prof. Daewon Sohn, then worked for several years in photopatterning materials industry. He completed his Ph.D. in Materials Science (2013) at University of Wisconsin – Madison under supervision of Prof. Padma Gopalan. He then conducted his postdoctoral research in Prof. Christopher K. Ober’s group at Cornell University. In 2015, he joined the Department of Chemistry at Inha University to begin his independent research career. His current research interests include precision polymer synthesis for desired structures and properties, surface and interface engineering, polymeric material designs for micro/nanofabrications, for functional gels, and for understanding polymer dynamics.

Read Myungwoong’s Emerging Investigator article, ‘Comprehensive studies of continuous flow reversible addition–fragmentation chain transfer copolymerization and its application for photoimaging materials’

Check out our interview with Myungwoong below:

1. How do you feel about Polymer Chemistry as a place to publish research on this topic?

I have enjoyed reading the articles in Polymer Chemistry. I have been impressed by the journal scope, especially respecting and embracing conventional, but fundamental and significant polymer chemistry topics, for example, polymerization kinetics and photopolymer chemistry. However, the journal has also been enthusiastic to publish high quality articles dealing with cutting edge topics. This unique balancing makes me keep following every day and considering Polymer Chemistry as a place to publish.

 

2. What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

For the patterns in single-digit nanometer dimension, the size becomes equivalent to less than ten copolymer chains. In this limit, the homogeneity of the copolymer system gets important to improve the pattern quality, such as line edge roughness. The continuous flow process shown in our work can address this issue; however, it also gave us an important message: the compositional drift due to unequal reactivity between monomers results in an intrinsic compositional inhomogeneity in copolymer samples. This is further related to the fundamental challenging question: “can we precisely control the structure and composition of complex polymers?”.

 

3. In your opinion, what are the most important questions to be asked/answered in this field of research?

How do we precisely control compositional and structural parameters of polymers, for example, sequence, desired chemical functionalities, molecular weight, and its distribution, while the high complexity is attained? Can we produce this elegantly shaped polymer in a large quantity? How are the parameters correlated with the resulting properties, for example, the position of developable unit in the chain vs. the quality of photopattern? Can we expand these challenges to more complex polymeric systems such as crosslinked polymer networks and polymer thin films?

 

4. Can you share one piece of career-related advice or wisdom with other early career scientists?

We all experience failure. No one can become always successful. This should be the case especially for early career scientists including me. I have thought of an inspirational quote that was personally given to me by Prof. Hyuk Yu, Emeritus Professor of Chemistry at University of Wisconsin at Madison, and now I am so happy to share this with other early career polymer scientists: “Life and hope are viscoelastic. Failure should take time to restore, but never yield to or break by it. Bend and recover!!!”. This may be the advice given to us by polymer, our lifelong friend, as well.

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Polymer Chemistry Emerging Investigator- Athina Anastasaki

Athina Anastasaki was born and raised in Athens, Greece and obtained her B.S. in Chemistry at the University of Athens. She then commenced her PhD studies at the University of Warwick under the supervision of Prof. Dave Haddleton and graduated in late 2014 with the Jon Weaver award for the best PhD in polymer chemistry in the UK. In early 2015, she accepted a Monash-Warwick research fellow position between the Pharmaceutical department at Monash University and the University of Warwick, jointly supervised by Prof. Thomas Davis and Prof. Dave Haddleton. She then received an Elings Fellowship, followed by a Global Marie Curie Fellowship, to conduct research alongside Prof. Craig Hawker at the University of California, Santa Barbara. Since January 2019, she is an Assistant Professor at ETH and her group focuses on fundamental polymer synthesis and self-assembly predominantly in the area of controlled radical polymerisation. Athina has co-authored over 100 peer-reviewed publications and has been the recipient of the ERC starting Grant, the Hanwha-Total IUPAC Young Scientist Award, the Polymers Young Investigator Award and the Golden Owl award, which is in recognition of outstanding faculty teaching. Athina also currently serves as an Associate Editor for Polymer Chemistry. More details about Athina’s lab can be found here https://polymeric.mat.ethz.ch/

You can follow Athina on Twitter @AthinaAnastasa1 and her lab group @AnastasakiLab

Read Athina’s Emerging Investigator article, ‘The effect of surface-active statistical copolymers in low-energy miniemulsion and RAFT polymerization’ 

Check out our interview with Athina below:

1.  How do you feel about Polymer Chemistry as a place to publish research on this topic?

I am very excited about publishing our work in Polymer Chemistry and it has always been a very pleasant experience as, even for the negative decisions, the Editors always treat you with respect and professionalism.

2. Can you share one piece of career-related advice or wisdom with early career scientists?

What has helped me a lot is asking for support every time I need it without worrying about appearing weak. Finding one (or two) mentors and/or an academic friend makes a huge difference.

 

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Polymer Chemistry Emerging Investigator- Louis Pitet

 

 

Louis M. Pitet is currently an assistant professor at Hasselt University, working in the Institute for Materials Research (IMO), located in Hasselt, Belgium. Louis’ research interests are broadly concerned with understanding processing–structure–property relationships in complex functional polymer constructs. The group has a keen interest in applying the fundamental relationships that are uncovered to global challenges in polymer science, including reutilizing plastic waste streams, creating smart scaffolds for tissue engineering, and improving processing–manufacturing efficiency with advanced reactors. Louis obtained his Bachelor’s degree in Chemistry from the Colorado School of Mines working with Prof. Daniel Knauss. He went on to obtain a PhD in 2011 in the Chemistry department at the University of Minnesota under the supervision of Prof. Marc Hillmyer, exploring the utility of ring-opening metathesis polymerization in creating functional materials. Louis moved to the Netherlands for a post-doctoral fellowship in the Institute for Complex Molecular Systems at the Eindhoven University of Technology, working with Prof. Bert Meijer. In Eindhoven, Louis helped build a program applying dynamic bonding strategies for the construction of well-defined block polymers. Since 2018, Louis has been leading his research group in Hasselt working with a diverse team currently consisting of 6 PhD students and 1 post-doctoral researcher. More details about the group and research topics can be found at www.uhasselt.be/en/onderzoeksgroepen-en/imo-imomec-afp/people/prof-dr-louis-pitet

You can follow Louis Pitet on Twitter @PitetGroup

Read Louis’s Emerging Investigator article ‘Fully biobased triblock copolymers generated using an unconventional oscillatory plug flow reactor’

Check out our interview with Louis below:

How do you feel about Polymer Chemistry as a place to publish research on this topic?

I think Polymer Chemistry is a premier journal, well-respected by everyone involved in polymer research. Polymer Chemistry consistently publishes works at the forefront of polymer science, across its diverse range of related topics, and is one of the only journals I routinely browse. The interactions with the editorial board during submission and publication have always been among the best in the publishing world. The speed and professionalism with which our manuscripts are handled is unique and refreshing.

 

What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

Polymer scientists currently face a grand challenge to adapt to a global plastic-pollution crisis, with far-reaching implications related to the health of our planet and its diverse communities. Our research is helping to advance polymer materials themselves, and transform the way we make polymers to address these challenges head-on. We do this primarily by developing innovative synthetic technology. This is tremendously challenging, considering the vast diversity of topics and expertise that are involved in polymer science – from synthesis to molecular and physical characterization to processing and reactor design. However, this is also an amazing opportunity to collaborate with an inspiring community of experts across the globe – this is one of the most rewarding parts of the job.

 

Can you share one piece of career-related advice or wisdom with other early career scientists?

Try to find a topic that is not only high impact, but will also hold your interest for a long time. Also, finding activities that energize you outside the lab/office has been invaluable for me in maintaining efficiency and staying engaged with both colleagues and students.

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Polymer Chemistry Emerging Investigator- Junpeng Zhao

Junpeng Zhao received his B.S. (2005) and Ph.D. (2010) from University of Science and Technology of China under the supervision of Prof. Guangzhao Zhang. From 2007 to 2009, he undertook a joint Ph.D. appointment, supported by China Scholarship Council, in National Hellenic Research Foundation (Greece) under the supervision of Prof. Stergios Pispas. Afterwards, he was a postdoctoral researcher first at Max-Planck Institute of Colloids and Interfaces (Germany) with Prof. Helmut Schlaad and Prof. Markus Antonietti (2011-2012), and then at King Abdullah University of Science and Technology (Saudi Arabia) with Prof. Nikos Hadjichristidis (2012-2014). In early 2015, he joined South China University of Technology and began his professorship. His main research interest is synthetic polymer chemistry, with special focus on anionic polymerization, organocatalytic/metal-free polymerization, and synthesis of polymers from renewable resources. He has been the coauthor of 70 peer-reviewed papers and 15 patents, and the (co)supervisor of 25 master/Ph.D. students.

 

Read Junpeng Zhao’s Emerging Investigator’s article, ‘ Selective ring-opening polymerization of glycidyl esters: a versatile synthetic platform for glycerol-based (co)polyethers

Read our interview with Junpeng below.

 

1. How do you feel about Polymer Chemistry as a place to publish research on this topic?

Submitting my work to Polymer Chemistry ensures a pleasant reviewing process as well as timely publication.

 

2. What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

What I am most excited about at the moment is the strict but readily tunable chemoselectivity of two-component organocatalysts which enables precise and convenient synthesis of an increasingly large variety of functional and/or complex polymers. What I have found most challenging is understanding polymerization mechanism, without disproving it soon after.

 

3. In your opinion, what are the most important questions to be asked/answered in this field of research?

How can we avoid major side effects when trying to make the world a better place using synthetic polymers? What can we learn from nature about designing and tailoring polymer structures and functions?

 

4. Can you share one piece of career-related advice or wisdom with other early career scientists?

New successes may hide in experiments which seem to have failed at first glance.

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Polymer Chemistry Emerging Investigator- Mingjun Huang

Mingjun Huang obtained his B.S. at Peking University in 2010. Then he worked on macromolecular self-assembly with Prof. Stephen Z.D. Cheng at the University of Akron, and obtained his PhD degree in Polymer Chemistry in 2015. After that he moved to MIT and joined the Jeremiah Johnson group as a postdoc, working on battery electrolyte material development. From February 2019, Mingjun started his independent career in South China University of Technology (SCUT). He is currently a professor in South China Advanced Institute for Soft Matter Science and Technology & School of Emergent Soft Matter. He mainly focuses on the novel functional soft matter development within the scope of optics, electric, and energy storage. The main research projects involve: 1) Liquid crystals/liquid crystal polymers with unprecedented structures and properties for applications in optical and electric materials; 2) Self-assembly study of macromolecules with precise chemical structures in condensed states; 3) Design of functional polymer materials for specific needs in display technology and microelectronic industry.

 

Read Mingjun Huang’s Emerging Investigator’s article ‘ Perfluorocyclobutyl-containing transparent polyimides with low dielectric constant and low dielectric loss

Read our interview with Mingjun below.

 

1. How do you feel about Polymer Chemistry as a place to publish research on this topic?

In my mind, Polymer Chemistry is a leading polymer journal for design, synthesis, structure and property study of polymer materials. Particularly for polyimide research, novelty for chemical structure as well as excellent material property is usually required. I feel a great sense of achievement for publication of this topic on this journal.

 

2. What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

As a polymer chemist, I am most excited about the successful collection of the new polymer samples, after a long journey of monomer design, synthesis and polymerization. I prefer to design monomer structures with simplicity and functionality.

In my research of polyimide materials, the most challenging part is the monomer structure design, i.e. how to balance the polymerization reactivity and targeted functionality in new monomer structure. Obtaining rather high purity of new monomers is also not an easy task for this step polymerization.

 

3. In your opinion, what are the most important questions to be asked/answered in this field of research?

Polyimides have great potentials for applications in microelectronic industry or flexible display technology. In my opinion, the most important question is how to integrate all the required high performances (e.g. good processibility, high transparency, low dielectric, high glass transition temperature, high thermal degradation stability) in one single material through either chemical structure or composite formulation tuning. A shortage in any important material property would prevent its practical application.

 

4. Can you share one piece of career-related advice or wisdom with other early career scientists?

I believe in-depth discussions with senior people in similar research area would be very helpful for seeking the entry point or inspiration of new ideas.

 

 

 

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Polymer Chemistry Emerging Investigator- Saihu Liao

Profile picture of Saihu LiaoSaihu Liao studied chemistry at Huazhong University of Science and Technology, and obtained his bachelor degree in 2005. After two years of graduate study with Prof. Yuefa Gong at the same university, he joined Prof. Benjamin List’s group at the Max-Planck-Institute for Coal Research (MPI-KOFO), Germany, where he obtained his doctoral degree in organic chemistry in 2011. Then, he returned to China and joined Prof. Yong Tang’s group as a research associate at the Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences. In September 2016, he started his independent career at Fuzhou University, where he was promoted to full professor in 2017. His current research focuses on the development of new organocatalysts and new strategies for polymerization, with a special concern to photo-control and tacticity-regulation.

 

Read Saihu’s Emerging Investigator article, ‘Organocatalytic Cationic Degenerate Chain Transfer Polymerization of Vinyl Ethers with Excellent Temporal Control’

 

How do you feel about Polymer Chemistry as a place to publish research on this topic?

We are interested in the exploration of organocatalysis in polymerization, with a focus on the development of organic photocatalysts and chiral catalysts. As one of the leading journals in polymer chemistry with broad readership, Polymer Chemistry is a wonderful place to publish our research on this topic. We quite appreciate the timely and professional processing of the manuscripts, and also the constructive comments and suggestions from reviewers.

 

What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

The most exciting moment could be the time we found some new catalysts were surprisingly effective. A challenging thing to us is just to predict the performance of a new catalyst, e.g. its ability in the temporal or tacticity control.      

 

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Polymer Chemistry Emerging Investigator- Shaofeng Liu

Profile picture of Shaofeng LiuShaofeng Liu is a professor at College of Polymer Science and Engineering at Qingdao University of Science and Technology. He received his B.S. in 2005 from Central South University, obtained his Ph.D. in 2011 from Institute of Chemistry Chinese Academy of Sciences (ICCAS) and Université de Strasbourg (UDS) under the supervision of Prof. Wen-Hua Sun and Prof. Pierre Braunstein. He then joined the group of Prof. Tobin J. Marks at Northwestern University as a postdoctoral fellow (2011-2014). In 2015, he moved to Qingdao University of Science and Technology and started his independent research career. His current research interests include organometallic catalysts for olefin polymerization and organocatalysts for sustainable polymers by ring-opening polymerization. 

 

Read Shaofeng’s Emerging Investigator article, ‘Chromium complexes supported by NNO-tridentate ligands: an unprecedented activity with the requirement of a small amount of MAO’

 

How do you feel about Polymer Chemistry as a place to publish research on this topic?

Polymer Chemistry is a leading journal and a preferred platform to publish important research in the field of polymer science.

 

What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

Our research interests include the development of organometallic catalysts for polyolefins by coordination polymerization and organocatalysts for sustainable polymers by ring-opening polymerization. Therefore, from the view of both catalytic systems (metal-based or metal-free catalysis) and resultant polymer materials (traditional and nondegradable polyolefin or degradable and recyclable polyester/polycarbonate), there seem to exit conflict of interests, which actually become our most excited aspects. For our current research, the most challenging work is designing simple catalysts to synthesize sophisticated polymers with superior performances.  

 

In your opinion, what are the most important questions to be asked/answered in this field of research?

The activity and selectivity are the most considered aspects for various polymerization reactions. In my opinion, how to balance these two aspects would be the most important question in the field of polymer synthesis.

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Polymer Chemistry Emerging Investigator – Nicholas Warren

Profile picture of Nicholas WarrenNick Warren is an Associate Professor at School of Chemical and Process Engineering at the University of Leeds. He was awarded an Masters in Chemistry from the University of Bristol in 2005 following which he conducted two years industrial research. He then moved to the University of Sheffield where he obtained a PhD in Polymer Chemistry. He continued as a postdoctoral researcher in Sheffield working in the area of polymerisation-induced self-assembly (PISA) until 2016, when he moved to Leeds to start his independent research career. His research group aims to design a new generation of sustainable and functional polymer materials by exploiting the latest advances in both polymer chemistry and self-optimising reactor technologies equipped with advanced online monitoring and computer control. He can be found on Twitter @njwarren1.

 

 

 

Read Nick’s Emerging Investigator article ‘Autonomous polymer synthesis delivered by multi-objective closed-loop optimisation’.

 

How do you feel about Polymer Chemistry as a place to publish research on this topic?

The vision of our research group is to develop technologies which aim to enhance precision and reproducibility in polymer synthesis and it is therefore vital that we target polymer chemists directly. Polymer Chemistry is the ideal avenue for this, and we hope it encourages adoption of new technologies in polymer synthesis labs around the world. Hopefully over the next few years, we can work with others to discover new materials with our platforms by implementing them for more technically demanding polymerisation processes.

 

What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

The ability to control our systems remotely, means we anticipate that networks of reactors in different labs around the world can communicate via cloud computing to optimise and discover new polymers. We are really excited by the fact that this is bringing artificially intelligent approaches to polymer discovery one step closer!

There are many advantages that flow chemistry affords here, but the challenges associated with polymer solutions in flow means a lot of work is required to optimise the reactor geometries and to provide consistent mixing. However, by working with fluid dynamics experts we are beginning to address these problems, which have traditionally been a major barrier. We are also keen to enable multi-step processes, without human intervention with each characterised in real-time. This includes post-polymerisation processing, and purification. There are also significant challenges in dealing with all sorts of data, which means we’re going to need to tailor our machine learning algorithms to accept this – essentially teaching robots how to do polymer synthesis!

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Polymer Chemistry Emerging Investigator – Runhui Liu

Professor Runhui Liu obtained Ph.D in organic chemistry 2009 at Purdue University. Afterward, he took postdoctoral trainings at California Institute of Technology and University of Wisconsin-Madison during 2010-2014. At the end of 2014, he took a professor position in the School of Materials Science and Engineering at East China University of Science and Technology (ECUST). His current research focuses on peptide polymer-based biomaterials for antimicrobial and tissue engineering applications.

 

 

 

Read Runhui’s article ‘Facile Synthesis of Polypeptoid Bearing Bulky Sidechains via Urea Accelerated Ring-Opening Polymerization of a-Amino Acid N-Substituted N-Carboxyanhydrides’.

 

How do you feel about Polymer Chemistry as a place to publish research on this topic?

Polymer Chemistry is a wonderful place to publish our work on polymer synthesis.

 

What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

I am most excited in exploring new chemistry for polymer synthesis, especially to tackle the long-lasting challenges.

The most challenging things for me as a professor are in two folds: keeping the lab running efficiently and productively with minimum amount of funding; inspiring/encouraging students to work on long-standing challenges but not hot topics, and persuading students to give up results that look interesting and publishable at first glance.

 

Can you share one piece of career-related advice or wisdom with other early career scientists?

As long as the start-up funding can support the lab for the first 3-4 years, focus on science is more productive eventually; as long as the PI and students can survive, no rush to publish or publish a lot at the first 3 years.

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Polymer Chemistry Emerging Investigator – Matthias Hartlieb

Matthias Hartlieb received his PhD in Chemistry in 2015 at the Friedrich Schiller-University in Jena. He proceeded to work as a DFG-funded postdoctoral research fellow at the University of Warwick followed by a research position at the Helmholtz Zentrum Geesthacht. He joined the University of Potsdam in 2019 as an Open-Topic Postdoc and, since 2021, he leads an Emmy Noether research group at Potsdam. His research interests are the design of functional polymeric (bio)materials, specifically in the areas of antimicrobial polymers and supramolecular polymers, using tools such as (photo)-RAFT polymerization or solid phase synthesis. More information can be found on his group website and on Twitter @PolyBioPotsdam.

 

 

Read Matthias’ article ‘The role of reversible deactivation in photo-iniferter RAFT polymerization: high livingness enables the straightforward synthesis of multiblock copolymers’.

 

How do you feel about Polymer Chemistry as a place to publish research on this topic?

A significant share of my publications are in Polymer Chemistry and there are reasons for that. Of course, it is one of the leading journals in macromolecular chemistry, and in my opinion, it presents the broadest overview in this area. So, it’s a great journal for researchers to see and be seen. I am also in favor of the uncomplicated and open reviewing process. Waiting times are relatively short and usually feedback is extremely constructive. It might also be a result of my time in the UK, but for me Polymer Chemistry is the journal where I feel most “at home” with my research.

 

What aspect of your work are you most excited about at the moment and what do you find most challenging about your research?

There are actually at least two aspects I am currently equally excited about. On the one hand there is photo-iniferter RAFT polymerization, which is also the topic of the publication in the special issue. This method has a tremendous potential, both for polymer synthesis as well as for material design. On the other hand, I am very keen on developing new antimicrobial polymers. At some point in the future antibiotics might fail us and then we need to have something to replace them to avoid a drastic decrease in health care quality and life expectancy.

We are looking at the impact of polymer architecture and on the membrane interaction of these polymers, among other things in order to get closer to an application. For the development of new antimicrobial polymers, we are currently implementing PI-RAFT as well.

 

In your opinion, what are the most important questions to be asked/answered in this field of research?

When it comes to antimicrobial polymers, the most important question is how we can improve their properties to bring them closer to an actual clinical application. However, this contains a lot of other questions, as there are many parameters, influencing the bioactivity of these polymers. Overall, their selectivity (targeting bacterial cells over mammalian cells) requires improvement but its not entirely clear how to achieve optimal performance.

We are looking into the polymer architecture, a parameter that hasn’t received much attention. We are also probing different targeting strategies and want to understand the mechanism of membrane interaction of these polymers in more detail.

 

Can you share one piece of career-related advice or wisdom with other early career scientists?

I am happy to forward something that has helped me staying on track: a fellow early career researcher did show me his folder with failed grant applications from the last few years, which had well over 30 items in it. However, he also had one successful one, and that was enough to kick start his career. The same thing happened to me. A lot of failed grant applications, not always with helpful feedback, sometimes without any feedback at all. It is easy to get frustrated at this stage but its important to continue trying. For me eventually, the DFG (Deutsche Forschungsgemeinschaft) thought my ideas regarding antimicrobial polymers were worth funding, which was the start of my independent research group. The lesson seems to be: don’t get discouraged by failure, because there will be a lot of that. Have a plan B but stay on track and try everything you can to follow your goal. Persistence is key (among other things like good mentoring, a supportive family, etc.).

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