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Translational Materials Innovation Group

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Hard Pollen: “Practically Indestructible Materials”

Pollen represents one of nature’s most durable materials, which can be easily obtained at low cost. We explore pollen as a natural alternative to polymer synthesis and focus our research on pollen processing and utilizing pollen-based materials in various fields such as drug delivery, food technology, tissue engineering, and beyond.  

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29

Hwang Y, Sadhu A, Shin S, Leow SW, Zhao Z, Deng J, Jackman JA, Kim M, Wong LH*, Cho NJ*

(* denotes equal corresponding authors)

"Intrinsically micro/nano-structured pollen substrate with tunable optical properties for optoelectronic applications."

Advanced Materials 2021: 2100566.

 
 
 
 

28

Hwang Y*, Ibrahim MSB*, Deng J, Jackman JA**, Cho NJ**

(* denotes equal first authors, ** denotes equal corresponding authors)

"Colloid-Mediated Fabrication of a Three-Dimensional Pollen Sponge for Oil Remediation Applications."

Advanced Functional Materials 2021, 2101091.

‘‘Biodegradable plant-pollen sponges could soak up oil spills.’’ New Atlas, 7 Apr 2021

‘’Scientists develop eco-friendly pollen sponge to tackle water contaminants.’’ EurekAlert!, 7 Apr 2021

‘’Scientists develop eco-friendly pollen sponge to tackle water contaminants.’’ Scienmag, 7 Apr 2021

‘’Scientists develop eco-friendly pollen sponge to tackle water contaminants.’’ ScienceDaily, 7 Apr 2021

‘’NTU and South Korean researchers create eco-friendly pollen sponge to tackle oil spills.’’ The Straits Times, 7 Apr 2021

‘’New pollen sponge could tackle water contaminants.’’ The Engineer, 7 Apr 2021

‘’Biodegradable plant-pollen sponges could soak up oil spills.’’ USA News Lab, 7 Apr 2021 

‘’Singapore and South Korea scientists develop pollen sponge that could tackle marine oil spills.’’ Applied HE, 8 Apr 2021 

‘’Scientists develop eco-friendly pollen sponge to tackle water contaminants.’’ Phys.org, 7 Apr 2021

‘’NTU scientists create biodegradable & low-cost sponge made from sunflower pollen.’’ Mothership, 8 Apr 2021

‘’Tackling marine oil spills with pollen sponge.’’ NTU, 7 Apr 2021

‘’Scientists led by NTU Singapore create pollen sponge that can tackle oil spills.’’ NTUsg, 7 Apr 2021

‘’南大研究人员研发由花粉制成可循环使用海绵.’’ 8 world (Singapore), 7 Apr 2021

‘’新韩研发可生物降解海绵, 或解决海洋石油污染问题.’’8 world (Singapore), 7 Apr 2021

‘’解决海绵石油污染: 新韩研发可生物降解海绵.‘‘ Sinchew (Singapore), 7 Apr 2021

‘’采摘向日葵花粉南大研发吸污油海绵.’’ Lianhe Zaobao (Singapore), 8 Apr 2021

‘’科学家开发可生物降解的植物花粉海绵 可吸收溢油.’’ cnBeta (China), 8 Apr 2021

 
 

27

Park S, Chin H, Hwang Y, Fan TF, Cho NJ

"A Facile Approach to Patterning Pollen Microparticles for In Situ Imaging." 

Applied Materials Today 2020; 20, 100702.

26

Fan TF*, Hwang Y*, Ibrahim MS, Ferracci G, Cho NJ

Cover Illustration

(* denotes equal first authors)

"Influence of Chemical and Physical Change of Pollen Microgels on Swelling/De-swelling Behavior." 

Macromolecular Rapid Communications 2020; 2000155.

 

25

Zhao Z*, Hwang Y*, Yang Y, Fan TF, Song J**, Suresh S**, Cho NJ**

 

(* denotes equal first authors ** denotes equal corresponding authors)

"Actuation and Locomotion Driven by Moisture in Paper Made with Natural Pollen." 

PNAS 2020; 117, 16, 8711-8718.

 

"Pollen-based 'paper' holds promise for new generation of natural components." EurekAlert!, 6 Apr 2020

"Pollen-based ‘paper’ holds promise for new generation of natural components, NTU Singapore scientists show." AlphaGalileo, 6 Apr 2020

"Pollen-based 'paper' holds promise for new generation of natural components." Tech Xplore, 6 Apr 2020

"Pollen-based paper shows promise for a new range of natural components." Scienmag, 6 Apr 2020

"Pollen-based 'paper' holds promise for new generation of natural components." Science Daily, 6 Apr 2020

"Pollen-based paper shows promise for a new range of natural components." News Medical, 7 Apr 2020

"Pollen-based 'paper' holds promise for new generation of natural components." Flipboard, 7 Apr 2020

"Pollen-based 'paper' holds promise for new generation of natural components." News Break, 7 Apr 2020

"Pollen-Based ‘Paper’ Holds Promise for New Generation of Natural Components." Mindzilla, 7 Apr 2020

"Pollen-based paper shows promise for a new range of natural components." AZo Materials, 7 Apr 2020

"Pollen-Based 'Paper' Holds Promise for New Natural Components." Real Clear Science, 7 Apr 2020

"Pollen-based 'Paper' Holds Promise for New Generation of Natural Components." Laboratory Equipment, 8 Apr 2020

"The potential of pollen paper." Cosmos Magazine, 9 Apr 2020

"Pollen-based ‘paper’ created by #NTUsg holds promise for new generation of natural components." NTUsg, 12 Apr 2020

"NTU scientists create paper-like material that reacts to humidity." CNA, 13 Apr 2020

"Pollen-based ‘paper’ holds promise for new generation of natural components, NTU Singapore scientists show." NTU, 13 Apr 2020

"Papel hecho de polen hecho en Singapur, el innovador material sustentable." La Verdad (Argentina), 6 Apr 2020

"Papel hecho de polen hecho en Singapur, el innovador material sustentable." Todo Diarios (Argentina), 7 Apr 2020

"Le «papier» à base de pollen promet une nouvelle génération de composants naturels." Newstrotteur (France), 6 Apr 2020

"플라스틱 팬데믹, '꽃가루'에서 대안 찾는다." Chosun Media (South Korea), 7 Apr 2020

"해바라기 꽃가루로 소프트 액추에이터 만들었다." Robot Newspaper (South Korea), 7 Apr 2020

"'Pollen-Papier' könnte Roboter antreiben." Pressetext (Germany), 8 Apr 2020

"基于花粉的'纸'有望成为新一代天然成分." Baijiahao Baidu (China), 7 Apr 2020

‘’Pollen-based paper for future robotic applications.’’ Tech Explorist, 13 Apr 2020

‘‘Papel de pólen funciona como músculo artificial.’’ Inovação Tecnológica (Brazil), 8 Apr 2020

‘’有望用于制作人造肌肉和传感器等 南大利用花粉颗粒制’纸’.’’ Lianhe Zaobao (Singapore), 14 Apr 2020

 

24

Fan TF*, Park S*, Shi Q, Zhang X, Liu Q, Song Y, Chin H, Ibrahim MS, Mokrzecka N, Yang Y, Li H**, Song J**, Suresh S**, Cho NJ**

 

(* denotes equal first authors ** denotes equal corresponding authors)

"Transformation of Hard Pollen into Soft Matter." 

Nature Communications 2020; 11, 1449 (2020).

"NTU scientists transform hard pollen grains into soft microgel particles." CNA, 23 Mar 2020

"NTU scientists transform ultra-tough pollen into flexible material." EurekAlert!, 19 Mar 2020

"Scientists transform ultra-tough pollen into flexible material." Phys.org, 19 Mar 2020

"Scientists transform ultra-tough pollen into flexible material." Science Daily, 19 Mar 2020

"NTU scientists transform ultra-tough pollen into flexible material." NTU, 23 Mar 2020

"Scientists engineer soft, micro-gel particles from ultra-hard pollen." New Atlas, 19 Mar 2020

"Saintis NTU cipta bahan yang boleh dijadikan kertas, span." Berita Mediacorp, 23 Mar 2020

"NTU scientists transform ultra-tough pollen into flexible material." The National Tribune, 23 Mar 2020

"NTU scientists transform ultra-tough pollen into flexible material." Mirage News, 23 Mar 2020

"NTU scientists transform ultra-tough pollen into flexible material" Bioportfolio,18 Mar 2020

"NTU Scientists Transform Ultra-Tough Pollen Into Flexible Material." Scienmag, 19 Mar 2020

"NTU scientists transform ultra-tough pollen into flexible material." 7th Space, 19 Mar 2020

"Flexible pollen-based material could serve as building blocks for ecofriendly products." IEEE GlobalSpec, 20 Mar 2020

"NTU scientists transform ultra-tough pollen into flexible material." ASIATODAY, 24 Mar 2020

"[단독]'꽃가루'로 '미세플라스틱의 역습' 해결한다." Seoul Economy (South Korea), 20 Mar 2020

"[인터뷰] 꽃가루서 플라스틱 소재...'실수'가 만들었죠." Seoul Economy (South Korea), 22 Mar 2020

"‘봄의 불청객’ 알레르기 유발 꽃가루, 병주고 약준다? " East Asia Daily (South Korea), 6 Apr 2020

"백신 넣고 범인 잡고… 봄마다 병주던 꽃가루, 약도 주네. " Chosun Media (South Korea), 2 Apr 2020

"플라스틱 팬데믹, '꽃가루'에서 대안 찾는다. " Chosun Media (South Korea), 7 Apr 2020

"次世代のエコな新素材は「花粉」!? 花粉で花粉を防ぐマスクができるかも. " Nazology (Japan), 23 Mar 2020

"Cientistas transformaram pólen num material macio e flexível." ZAP. AEIOU (Portugal), 25 Mar 2020

"南大科研人员巧思“采”花粉 研发环保建材微凝胶颗粒." Lianhe Zaobao (Singapore), 24 Mar 2020

"科学家将超硬花粉制成环保、有生物相容性的柔软微凝胶颗粒." cnBeta (China), 20 Mar 2020

‘’Scientists at Nanyang Technological University, Singapore (NTU Singapore) discovered how to turn ultra-tough pollen, into a soft and flexible material.’’ Asia-Pacific Biotech News, 4 Apr 2020

‘’Paper and sponge made from pollen.’’ Pesquisa, 7 May 2020

‘’Tecnologia permite fabricar papel e esponja usando grãos de pólen.’’ eCycle (Brazil), 12 May 2020

‘’Polline di girasole trasformato in materiale ecocompatibile morbido e flessibile.’’ Notizie Scientifiche (Italy), 19 Mar 2020

 

22

Fan TF*, Hwang Y*, Potroz MG, Tan EL, Lau KL, Tan EL, Ibrahim MS, Miyako E, Cho NJ

 

(* denotes equal first authors)

"Degradation of the Sporopollenin Exine Capsules (SECs) in Human Plasma." 

Applied Materials Today 2020; 19, 00594.

21

Tan EL, Potroz MG, Ferracci G, Wang LL, Jackman JA, Cho NJ

"Hydrophobic to Superhydrophilic Tuning of Multifunctional Sporopollenin for Microcapsule and Bio-Composite Applications." 

Applied Materials Today 2020; 18, 100525.

20

Fan TF, Potroz MG, Tan EL, Ibrahim MS, Miyako E, Cho NJ

"Species-Specific Biodegradation of Sporopollenin-Based Microcapsules." 

Scientific Reports 2019; 9, 9626.

19

Fan TF , Potroz MG, Tan EL, Park JH, Miyako E, Cho NJ

"Human Blood Plasma Catalyses the Degradation of Lycopodium Plant Sporoderm Microcapsules." 

Scientific Reports 2019; 9, 2944.

18

Prabhakar AK, Potroz MG, Tan EL, Jung H, Park JH, Cho NJ

"Macromolecular Microencapsulation using Pine Pollen: Loading Optimization and Controlled Release with Natural Materials." 

ACS Applied Materials & Interfaces 2018; 10(34), 28428-28439.

17

Prabhakar AK, Potroz MG, Park S, Miyako E, Cho NJ

 

Cover Illustration

"Spatially Controlled Molecular Encapsulation in Natural Pine Pollen Microcapsules." 

Particle & Particle Systems Characterization 2018; 35(9), 1800151.

16

Fan TF, Park JH, Pham QA, Tan EL, Mudargi RC, Potroz MG, Jung HR, Cho NJ

"Extraction of Cage-Like Sporopollenin Exine Capsules from Dandelion Pollen Grains." 

Scientific Reports 2018; 8, 6565.

15

Tan EL, Potroz MG, Ferracci G, Jackman JA, Jung HR, Wang L, Cho NJ

 

Cover Illustration

"Light‐Induced Surface Modification of Natural Plant Microparticles: Toward Colloidal Science and Cellular Adhesion Applications." 

Advanced Functional Materials 2018: 28(18), 1707568.

14

Corliss MK, Bok CK, Mundargi RC, Gillissen JJ, Potroz MG, Jung HR, Tan EL, Cho NJ

"Preserving the Inflated Structure of Lyophilized Sporopollenin Exine Capsules with Polyethylene Glycol Osmolyte." 

Journal of Industrial and Engineering Chemistry 2018; 61, 255-264.

13

Wang H, Potroz MG, Jackman JA, Kherzi B, Cho NJ, Pumera M

 

Cover Illustration

"Bioinspired Spiky Micromotors Based on Sporopollenin Exine Capsule." 

Advanced Functional Materials 2017; 27(32), 1702338.

12

Prabhakar AK, Ying H, Potroz MG, Corliss MK, Park JH, Mundargi RC, Cho DH, Bang SI*, Cho NJ*

 

(* denotes equal corresponding authors)

"Chemical Processing Strategies to Obtain Sporopollenin Exine Capsules from Multi-Compartmental Pine Pollen." 

Journal of Industrial and Engineering Chemistry 2017; 53, 375-85.

11

Potroz MG, Mundargi RC, Gillissen JJ, Tan EL, Meker S, Park JH, Jung HR, Park S, Cho DH, Bang SI*, Cho NJ*

 

Cover Illustration

(* denotes equal corresponding authors)

"Plant-Based Hollow Microcapsules for Oral Delivery Applications: Towards Optimized Loading and Controlled Release." 

Advanced Functional Materials 2017; 27(31), 1700270.

10

Wang L, Jackman JA, Tan EL, Park JH, Potroz MG, Hwang ET, Cho NJ

"High-Performance, Flexible Electronic Skin Sensor Incorporating Natural Microcapsule Actuators." 

Nano Energy 2017: 36, 38-45.

09

Potroz MG, Mundargi RC, Park JH, Tan EL, Cho NJ

"Extraction of Plant-Based Capsules for Microencapsulation Applications." 

Journal of Visualized Experiments 2016; 117, e54768.

08

Park JH, Seo JE, Jackman JA, Cho NJ

"Inflated Sporopollenin Exine Capsules Obtained from Thin-Walled Pollen." 

Scientific Reports 2016; 6, 28017.

07

Seo JE*, Wang L*, Ng WB, Cho NJ

 

(* denotes equal first authors)

"Preparation of Highly Monodisperse Electroactive Pollen Biocomposites." 

Chemistry of Nanomaterials for Energy, Biology and More 2016; 2(5), 414-418. 

06

Mundargi RC, Potroz MG, Park JH, Seo JE, Lee JH, Cho NJ

"Extraction of Sporopollenin Exine Capsules from Sunflower Pollen Grains." 

RSC Advances 2016; 6(20), 16533-16539.

05

Mundargi RC, Potroz MG, Park S, Park JH, Shirahama H, Lee JH, Seo JE, Cho NJ

 

Cover Illustration

"Lycopodium Spores: A Naturally Manufactured, Superrobust Biomaterial for Drug Delivery." 

Advanced Functional Materials 2016; 26(4), 487-497. 

04

Mundargi RC, Tan EL, Seo JE, Cho NJ

"Encapsulation and Controlled Release Formulations of 5-Fluorouracil from Natural Lycopodium Clavatum Spores." 

Journal of Industrial and Engineering Chemistry 2016; 36, 102-108.

03

Mundargi RC, Potroz, MG, Park JH, Seo JE, Tan EL, Lee JH, Cho NJ

"Eco-Friendly Streamlined Process for Sporopollenin Exine Capsule Extraction." 

Scientific Reports 2016; 6, 19960.

02

Wang L, Ng WB, Jackman JA, Cho NJ

Cover Illustration

"Graphene-Functionalized Natural Microcapsules: Modular Building Blocks for Ultrahigh Sensitivity Bioelectronic Platforms." 

Advanced Functional Materials 2016; 26(13), 2097-2103. 

01

Mundargi RC, Potroz MG, Park S, Shirahama H, Lee JH, Seo JE, Cho NJ

"Natural Sunflower Pollen as a Drug Delivery Vehicle." 

Small 2016; 12(9), 1167-1173.