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Groundwater Prize - 9th Award

Overview

J. Jaime Gómez-Hernández – Universitat Politècnica de València, Spain

Dr. Gómez-Hernández’ work involves solving the inverse problem in hydrogeology. An inverse problem in science is the process of calculating the causal factors that produced a set of observations. A reliable depiction of groundwater flow and mass transport in the subsurface requires characterising the spatial variability of the parameters that control the state of the system. These parameters need to be known over the entire domain of interest, but in practice, can only be determined for a few locations, and unfortunately, they display a large spatial variability that makes them impossible to predict at unsampled locations without considerable uncertainty.

Dr. Gómez-Hernández’ greatest achievements in solving this problem include (1) proposing that natural heterogeneity is not well represented by multiGaussian fields, and (2) developing the ‘self-calibrating method’ using pilot points for the stochastic inversion of natural heterogeneity, which yields an estimate of the parameters, but also an estimate about their uncertainty. Both contributions, due to their novelty, were met with strong opposition at first, but have become common practice today.

Winner Profile

Dr. J. Jaime Gómez-Hernández

Dr. Gómez-Hernández is Professor of Hydraulic and Environmental Engineering at the Universitat Politècnica de València, Spain.

Education:

• 1992 – PhD; Stanford University (Geostatistics for Natural Resource Evaluation)
• 1991 – MS; Stanford University (Applied Hydrogeology)
• 1988 – Ingeniero de Caminos y Puertos; Universitat Politècnica de València (Civil Engineering)

Selected Awards:

2021 – Distinguished Lecturer for the International Association of Mathematical Geosciences
2020 – William Christian Krumbein Medal
1999 – Prize for Research and Technology of Wastes
1990 – Centennial Teaching Assistant, Stanford University

 

 

Acceptance Speech

jaime300x300His Royal Highness, authorities, ladies and gentlemen:

It is a great pleasure and honor to be awarded the Prince Bin Abdulaziz International Prize for Water. Recognition is the best reward that we scientists may have, and receiving this prize raises the recognition to its highest levels, since, without any doubt, this is the most important prize worldwide in water resources. Thank you.

Thank you also to the prize council members and to the many people who have accompanied me in my scientific journey, particularly all my former Ph.D. students, without whom most of my research could not have been completed. Last but certainly not least, thanks to my family and especially to my wife, Inma, for having provided during all these years the kind of support that we, crazy scientists, need at all times.

I have been working on groundwater for the last thirty-five years, and I have been complaining that groundwater does not receive the attention by politicians, managers, and the public in general that it deserves. Fortunately, HRH Crown Prince Sultan Bin Abdulaziz's wisdom has put water on the spot, and especially groundwater, the invisible resource.

Groundwater is a precious resource, the magnitude of which is not well understood. Did you know that about 50% of the population drinks groundwater, or that 50% of the water that flows in the rivers comes from groundwater, or that 40% of the irrigation water is pumped from the subsurface, or that groundwater is the only safe water supply in many parts of the world?

Yet, groundwater is not very well known and is not very well managed, either.

I have been attracted by mathematics since my childhood and later by computer science. Groundwater allowed me to combine both to better understand how groundwater moves underground and how aquifers may look like. We proposed new ways to interpret the data and new models to describe it. We also warned about the difficulty of making precise predictions and the importance of tagging those predictions with some uncertainty. We claimed that aquifer heterogeneity could not be modeled with simple Gaussian models, and we were heavily criticized for it. We proposed new approaches to solve the inverse problem in groundwater. And lately, we developed new ways for the identification of contaminant sources in aquifers. All of these always aimed to improve our knowledge of the underground.

Because the better we understand how aquifers function, the better we can make the best use of them: as alternative water storage to mitigate the impact of climate change, as a way to prevent saltwater intrusion, as an instrument critical to sustaining aquatic ecosystems, or simply as the source of water that should continue feeding half the world population.

Thanks again for helping to make the invisible groundwater visible.

Winning Work

[1] Teng Xu, J. Jaime Gómez-Hernández. "Probability fields revisited in the context of ensemble Kalman filtering." Journal of Hydrology, 531, Part 1, 40-52, doi:10.1016/j.jhydrol.2015.06.062, 2015.

[2] Teng Xu, J. Jaime Gomez-Hernandez, (2015). "Inverse sequential simulation: A new approach for the characterization of hydraulic conductivities demonstrated on a non-Gaussian field." Water Resources Research, 51, 2227–2242

[3] Teng Xu, J. Jaime Gómez-Hernández. "Characterization of non-Gaussian conductivities and porosities with hydraulic heads, solute concentrations, and water temperatures." Water Resources Research, 52(8), 6111-6136, doi:10.1002/2016WR019011, 2016.

[4] Teng Xu, J. Jaime Gómez-Hernández. "Joint identification of contaminant source location, initial release time, and initial solute concentration in an aquifer via ensemble Kalman filtering." Water Resources Research, 52(8), 6587-6595, doi:10.1002/2016WR019111, 2016.

[5] Teng Xu, J. Jaime Gomez-Hernandez, (2018). "Simultaneous identification of a contaminant source and hydraulic conductivity via the restart normal-score ensemble Kalman filter." Advances in Water Resources, 112, 106-123.

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Surface Water Prize - 9th Award

Overview

Zbigniew Kundzewicz – Polish Academy of Sciences, Poznan

Dr. Kundzewicz engages with flood hazard and risk and their relationship with climatic change, globally, in Europe, and at the national level (in Poland, Germany, and China). Flood generation is a complex process, integrating the influences of many climatic and non-climatic factors, in which it is very difficult to disentangle the climatic effects on river flow from the effects of human interventions. The knowledge generated by his work impacts on our understanding and interpretation of flood hazard and risk in the past, present, and future. Dr. Kundzewicz applies this knowledge to develop a diversified portfolio of flood-risk management approaches (flood-risk mitigation, preparation, and recovery) that work together for maximum net effect, providing practical solutions for flood risk reduction and flood preparedness.

Winner Profile

Dr. Zbigniew Kundzewicz

Dr. Kundzewicz is Professor of Earth Sciences in the Institute of Agricultural and Forest Environment of the Polish Academy of Sciences in Poznan, Poland.

Education:

• 1985 – Habilitation; Institute of Geophysics, Polish Academy of Sciences, Warsaw, Poland (Hydrology)
• 1979 – PhD; Institute of Geophysics, Polish Academy of Sciences, Warsaw, Poland (Hydrology)
• 1974 – MS; Warsaw University of Technology (Automatics)

Selected Awards:

2018 – Honorary Professorship at Nanjing University of Information Science and Technology and Honorary Doctorate at Warsaw University of Life Sciences
2017 – Dooge Medal of the IAHS/UNESCO/WMO International Hydrology Prize and Membership of Academia Europaea
2010 – Corresponding Member of the Polish Academy of Sciences
2007 – Nobel Peace prize as part of the Intergovernmental Panel on Climate Change (IPCC)
2004 – Knight’s Cross of Polonia Restituta Order
1991 – Golden Cross of Merit of the Republic of Poland
1987 – first-ever recipient of the Tison Award of the International Association of Hydrological Sciences (IAHS)
1986 – Award of the Secretary General of the Polish Academy of Sciences

 

 

Acceptance Speech

kundzewicz300x300Let me start by thanking His Royal Highness King Salman Bin Abdulaziz Al Saud for being the patron of the Awards Ceremony, as well as His representative for attending the event. I extend appreciation to His Royal Highness Prince Khaled Bin Sultan, for His continued support for the Prize. Finally, I want to extend thanks to the Prize Council and the General Secretary.

I want to acknowledge the truly far-sighted vision and generous initiative of His Royal Highness the late Prince Sultan Bin Abdulaziz in establishing the International Prize for Water.

I am extremely pleased, honored, and humbled to have been selected to receive the prestigious Prince Sultan Bin Abdulaziz International Prize for Water – The Surface Water Prize, recognizing my contributions to flood science. This is indeed an extraordinary privilege. Looking at the list of recipients, since the Prize was established, I see giants who have made major contributions to water science. I am very proud to be included with them today. I am glad that this ceremony takes place on the 22nd of March, which is World Water Day. The theme for World Water Day this year is “Water and Climate Change”, which is particularly close to my heart. In my opinion, the climate change impacts on water resources, described colloquially as – present extremes are likely to be future norms, are among the most important consequences of climate change. I am especially proud of having co-edited a Technical Paper on “Climate Change and Water” for the Intergovernmental Panel on Climate Change that has received nearly 5,000 citations to-date.

During my 46-year career in water science and engineering, I have dealt with a wide range of issues and problems related to destructive abundance of water and the many dimensions of flooding and flood science. I have developed a special interest in the links between floods and climate change and variability.

Floods continue to play havoc all over the world. They kill thousands of people annually and cause financial and economic losses of the order of tens of billions of US dollars. The arid and semi-arid lands in the Middle East, including Saudi Arabia, are not immune to floods. Even if there are no permanent rivers, the ephemeral wadis are numerous and the occurrence of high precipitation of short duration leads to flash flooding that devastates your lands.

On this occasion, as I receive the Prince Sultan Bin Abdulaziz International Prize for Water, I think about my long, and fascinating, scientific journey, and of the people and the institutions that have influenced me on my way. I have worked for most of the time in two institutes of the Polish Academy of Sciences, namely the Institute of Geophysics in Warsaw and the Institute of Agricultural and Forest Environment in Poznan. I have enjoyed generous support of many research funding agencies, such as – in the last decade – the National Science Centre of Poland, the European Commission, the Swiss Contribution to the enlarged European Union, and the Norway Grants. I have actively collaborated with foreign scientists and research institutions on scientific work, including spending over 15 years abroad. I enriched my understanding of various aspects of water and climate science and its applicability during my extended visits to the University of Karslruhe (Germany), at the World Meteorogical Organization, at the Potsdam Institute for Climate Impact Research (Germany) and, most recently, at the Nanjing University of Information Science and Technology (China).

I am indebted to my beloved family – my wife, Lucyna, our two children with spouses and four grandchildren – for their love, support, and encouragement. My wife has been a role model, excellently managing our family affairs and enabling me to pursue my scientific interests and to achieve professional success.

It is a great honor to have my 46 years of scientific work recognized through this highly respected and prestigious Prince Sultan Bin Abdulaziz International Prize for Water – The Surface Water Prize International Prize. It is with great pleasure and gratitude that I accept the Prize. I hope that this Prize will continue to inspire younger scientists and researchers to work hard and to try to obtain relevant, practice-oriented, results. This 2020 Prize in the category of surface water will enhance recognition of the important problems associated with floods.

Winning Work

[1] Kundzewicz Z.W., Stoffel M., Niedźwiedź T., Wyżga B. (Eds.) 2016. Flood risk in the Upper Vistula Basin. GeoPlanet: Earth and Planetary Sciences. Springer, pp. 418. ISBN 978-3-319- 41922-0.

[2] Kundzewicz, Z.W., Krysanova, V., Dankers, R., Hirabayashi, Y., Kanae, S., Hattermann, F.F., Huang, S., Milly, P.C.D., Stoffel, M., Driessen, P.P.J., Matczak, P., Quevauviller, P., Schellnhuber, H.-J. 2017. "Differences in flood hazard projections in Europe - their causes and consequences for decision making." Hydrological Sciences Journal. 62(1), 1-14.

[3] Kundzewicz, Z. W., Hegger, D. L. T., Matczak, P., Driessen, P. P. J. (2018) "Flood risk reduction: structural measures and diverse strategies." Proceedings of the National Academy of Sciences (USA) PNAS (December 4, 2018) 115(49): 12321–12325.

[4] Kundzewicz, Z. W.; Su, Buda; Wang, Yanjun; et al. (2019) "Flood risk and its reduction in China." Advances in Water Resources 130: 37-45.

[5] Kundzewicz, Z.W.; Su, Buda; Wang, Yanjun; et al. (2019) "Flood risk in a range of spatial perspectives - from global to local scales." Natural Hazards and Earth System Sciences 19(7): 1319-1328.

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Creativity Prize - 9th Award

Overview

The team of Dr. Sherif El-Safty – National Institute for Materials Science, Japan

The work of Dr. Sherif El-Safty and his team pertains to the development of a unique nano-porous filter medium, which is prepared by wet-dry processing with various hierarchal configurations (pellets, tubes, rods, strips, combs and sponge membranes) so that a chemical scavenger is immobilized to achieve a dual detection/chemical sorption process for decontamination during water filtration. This can be applied to virtually any water pollution problems, including the elimination of chemicals, pesticides, pathogens, and radioactive substances. This nano-captor membrane can be applied as a detector/sensor to provide a visual warning of hazards and radioactive species in permeate. His monolithic medium enhances selective monitoring and removal, and provides energy-efficient high volume filtration without applying any pressure, so that hazards can be removed from the water while healthy minerals are retained.

Winner Profile

Dr. Sherif El-Safty

Dr. El-Safty is Managing Researcher of the National Institute for Materials Science, Japan, and Visiting Professor of Nanomaterials at the Faculty of Engineering and Advanced Manufacturing, University of Sunderland, UK.

Education:

• 2000 – Ph.D; Tanta University, Egypt (Inorganic and Physical Chemistry)

Selected Awards:

2017– Fellow of the Royal Society of Chemistry (FRSC)
2013 – Creativity Award, Arab Thought Foundation (Synthetic Nanomaterials)
2007– JSPS Invitational Fellow Award, Japan Society for the Promotion of Science
2001– JSPS Fellow Award, Japan Society for the Promotion of Science
1997– Doctoral Fellow, Ministry of Higher Education, Egypt

 

 

Acceptance Speech

safty300x300Your Excellencies, members of the council, ladies and gentlemen

It is an enormous honour to be awarded 2020 Prince Sultan Bin Abdulaziz International Prize for Water in the category of the Creativity Prize. I am earnestly grateful for the recognition I have received for our work in addressing and raising awareness about many of the critical water safety issues that the world is facing today. This award has humbled me to further reflect on my work. I will keep contributing to create a truly sustainable society in which everyone has access to sanitary facilities in the time that global warming and natural disasters are becoming more and more serious now and in the near future.

I’m deeply grateful for this prestigious award which has become the mark of our research achievement on nanotechnology for environment, especially “the access to safe drinking water”. I have developed a family of nanomaterials for various utilization purposes to help worldwide communities, particularly to treat the water crisis, and to produce green energy, and to improve the healthcare. However, the water purification has been my most important research theme “science-for-life”.

The development of a unique nano-porous sponge filter medium in large scale manufacturing processes (tons/h) for various materials required structural control of materials at nano-scales. And the biggest challenge for us was to maintain cost-effectiveness, simplicity, and environmentally friendly process to meet the market needs in the access of safe drinking water for households. The nano- filter medium is prepared by simple wet-dry cooking process, leading to control various chemical scavengers in shape configurations (pellets, tubes, rods, strips, combs and sponge membranes).

This nano-sponge membrane can be applied to virtually any water pollution problems, including the elimination of chemicals, pesticides, pathogens, and radioactive substances in one step during water filtration. This nano-filter membrane can be applied as a detector or sensor to provide a visual warning of hazardous and radioactive species, or radioactive adsorbent. It can also remove all hazards selectively from the water while healthy minerals are retained. Our technology has been dedicated to clean up the radioactive water contaminates for Fukushima victims due to Fukushima Nuclear Disaster, Japan in 2011. The disastrous event followed by the strong earthquake and subsequent tsunami and enabled releasing massive amounts of very dangerous radioactive substances to water. It was great motivation that led us detecting and removing radioactive elements in any water sources at a victim region.

Being a Japanese living in Japan more than 20 years, I feel winning this award could never have without my origin. I’m from Egypt, where I received the continuous love and support from my families, brothers, seniors and colleagues, for whom I have the deepest respect, and from whom I have derived the strength to challenge myself and achieve goals at each stage by Grace of Allah.

I have faced many challenges, but each one of them has strengthened to make me the person I am today; a scientist who pursues passion to make the world a better place; someone who sets eyes on a goal and does not lose sight of it, unless it is achieved, Alhamd to Allah.

To conclude my speech, first and foremost, I would like to thank the Prize Organization, the judges, for encouragement and recognition of our work. I also would like to thank my organization, National Institute for Materials Science in Japan, for nominating me. Without their caring support, the success of our research would not have been possible. Last but not least, I sincerely thank the members of my team who have worked with me, and my family for their love and support. They helped me to reach a stage where I have tremendous honour to receive this award.

As you all know very well, humanity is facing a water crisis, with the inspiration of the founder of the Prince Sultan Bin Abdulaziz International Prize for Water, we shall go forward.

Once again, I am very grateful for this incredible honour, and I will be happy to see our contribution in good use improving the people’s live in need.

Thank you very much.

Winning Work

[1] Sherif A. El-Safty, A. Shahat, K. Halada, M. A. Shenashen, A. Abouelmagad, H. Yamaguchi, "Nanostrcuture Material Supporting Arsenic Ion Adsorption Compound and Method to Remove Arsenic lon Using the Same", Patent, US0009187343B2, 2015.

[2] H.G. Gomaa, H. Khalifa, M. Selim, M. A. Shenashen, S. Kawada, A.S. Alamoudi, A. Azzam, A. Alhamid, Sherif. A. El-Safty, "Selective, photo-enhanced trapping/detrapping of arsenate anions using mesoporous blobfish head TiO2 monoliths". ACS Sustainable Chemistry & Engineering, 5 (2017) 10826-10839.

[3] H. Gomaa, Mohamed A. Shenashen, Hitoshi Yamaguchi, Ahmad S. Alamoudi, Mohamed Abdelmottaleb, Mohamed F. Cheira, Tarek A. Seaf El-Naser, Sherif. A. ElSafty. "Highly-efficient removal of As(V), Pb2+, Fe3+, and Al3+ pollutants from water using hierarchical, microscopic TiO2 and TiOF2 adsorbents through batch and fixedbed columnar techniques". Journal of Cleaner Production, 182 (2018) 910-925.

[4] W. Warkocki, Sherif A. El-Safty, M.A. Shenashen, E. Elshehy, H. Yamaguchi, N. Akhtar, "Photo-induced recovery, optical detection, and separation of noxious SeO3 2-using a mesoporous nanotube hybrid membrane." Journal of Materials Chemistry A, 3 (2015) 17578-17589.

[5] Sherif A. El-Safty, Masaru Sakai, Mahmoud Selim, Awatif A Hendi. "Mesosponge Optical Sinks for Multifunctional Mercury lon-Assessment and Recovery from Water Sources". ACS Applied Materials & Interfaces 7 (2015) 13217-13231.

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9th Award (2020)

Prizewinners for the 9th award were announced by on 26 July 2020, the Prize Council Chairman Dr. Badran Al-Omar, under the direction of PSIPW President HRH Prince Khalid Bin Sultan. The Awards Ceremony was held under the patronage of the Custodian of the Two Holy Mosques King Salman Bin Abdulaziz Al Saud, on Monday, 22 March 2021. This virtual event was held in conjunction with the “High-Level Meeting of the Water-Related Goals and Targets of the 2030 Agenda” which was held virtually at the General Assembly of the United Nations in New York.


Creativity Prize - 9th Award

Overview

The team of Dr. Benjamin S. Hsiao (Stony Brook University, New York, USA) which includes Dr. Priyanka Sharma.

The work of Dr. Benjamin S. Hsiao and his team involves the development and use of next-generation high-flux nanostructured materials, particularly nanocellulose, for energy and water purification applications. They have developed environmentally friendly biomass extraction processes to produce low-cost cellulose nanofibers which can be employed as effective adsorbents, coagulants and membrane materials for energy-efficient industrial water treatments, desalination and heavy metal removal, capable of reaching a performance/price ratio of over 10-100 times better than existing commercial systems. This sustainable technology promises to provide clean water to off-grid communities of the developing world.

Winner Profiles

Dr. Benjamin S. Hsiao

Dr Hsiao is Distinguished Professor; co-founding Director of the Innovative Global Energy Solutions Center; and Director for the Center for Integrated Electric Energy Systems at Stony Brook University.

Education:

• 1987 – PhD; University of Connecticut (Materials Science)
• 1984 – MS; University of Connecticut ( Materials Science)
• 1980 – BSc; National Taiwan University (Chemical Engineering)

Selected Awards:

2016 – Invention Ambassador, AAAS-Lemelson Foundation
2015 – Cooperative Research Award (with Andy Tsou), American Chemical Society, Division of Polymeric Materials
2014 – Distinguished Professional Achievement Award, Chinese American Academic and Professional Society (CAAPS)
2013 – Patent of the Year Award, Long Island Technology Hall of Fame
2007-2009 – Special Creativity Award, Division of Materials Research, National Science Foundation
2005 – Licensed Innovation Award, Research Foundation of State University of New York
1998-2001 – DuPont Young Professor Award

 

 

Dr. Priyanka Sharma

Dr Sharma is Adjunct Assistant Professor and Research Scientist in the Chemistry Department at Stony Brook University.

Education:

• 2014 – PhD; CSIR-National Chemical Laboratory in Pune, India

Selected Awards:

2020 – NAI Young Academic Inventor’s Award, National Academy of Inventors (United States)
2018 – Blavatnik Regional Young Scientist Award, New York Academy of Sciences

Acceptance Speech

benjamin hsiao300x300It is truly a great honor to receive the 9th Prince Sultan bin Abdulaziz International Prize for Water (PSIPW) in the category of The Creativity Prize.

To start, I would like to thank King Salman Bin Abdulaziz Al Saud for being the patron of the Awards Ceremony, as well as his representative for attending the event. I greatly appreciate the vision of the founder of this Prize, His Royal Highness Prince Sultan Bin Abdulaziz, and his son His Royal Highness Prince Khaled Bin Sultan for his continued support for the Prize.

In addition, I would like to extend my warm thanks to the Prize Council and General Secretary for selecting my team as one of the winners for the Creativity Prize. Finally, I would like to thank Mr. David Jalajel for helping me with the logistics of receiving this award.

As we all know, there is a vast amount of underutilized plant biomass sources surrounding us. Feedstock sources, like tree waste, agriculture residues, shrubs and weeds, even recycled papers and boxes, are ideal for extracting new, sustainable, inexpensive and efficient water remediation materials. This Creativity Prize recognizes a novel process to do just that.

My research team at Stony Brook University in the U.S. has developed a simple and environmentally friendly nitro-oxidation process that can extract low-cost nanostructured materials, termed nanocellulose, directly from any raw biomass for water purification. These nanocellulose materials can be used as adsorbents, coagulants and filtration membranes for varying applications, ranging from drinking water purification for off-grid communities to the enabling of more energy-efficient industrial-scale water treatments. In specific, our nitro-oxidation process combines two key steps in the extraction process: pulping (or delignification) and cellulose oxidation, resulting in significant reductions of energy, chemical and water consumptions. Furthermore, the effluent from this environmentally friendly process can be directly converted into plant fertilizers. Notably, we recently discovered that our nitro-oxidation process can also be useful as treatment to activate biochar, thus further enhancing the nexus of water and energy.

I am very proud of my entire research team, led by Dr. Priyanka Sharma, the senior scientist in my group, for their hard work, persistence and innovation. Our team shares a common vision – to help people by providing low cost drinking water. This Prize also reflects their accomplishments and belongs to them.

We are only at the beginning of a long journey towards our full mission. The recognition of the Creativity Prize validates our vision and the pathway we have taken thus far, and highlights the work ahead of us. In specific, this funding will allow us to evaluate the scale-up reaction system of the nitro-oxidation process and to demonstrate this new class of water purification materials. More broadly, we aim to use this technology to help more needy people to access clean water with less cost.

Thank you again!

-- Benjamin Hsiao

 

priyanka300x300My most heartfelt thanks to King Salman Bin Abdulaziz Al Saud for being the patron of the award ceremony. I also thank his representative for attending the event.

I salute His Royal Highness Prince Sultan Bin Abdulaziz for his critical vision for water. It is amazing how he thought to recognize and honor the world-leading scientist of all ages working in the field of water. I also like to thank His Royal Highness Prince Khaled Bin Sultan for his continuous support for the prize.

Apart from this, I would like to thank Dr. A.G. Varma who had introduced me to the field of cellulose chemistry. My heartfelt thanks to Professor Benjamin Hsiao for providing me the platform for enhancing my knowledge in this field and for his guidance in the development of breakthrough research of the nitro-oxidation process. My lab colleagues and students have also played a crucial role throughout this journey. I am also thankful to them.

Of course I cannot forget to thank my parents, my husband, my in-laws for their continuous support and for their day-to-day encouragement for me to pursue my goal in this field. Thanks to my little daughter Isha who has filled our lives with lots of joy, and her presence makes my success magnificent.

-- Priyanka Sharma

Winning Work

[1] PR Sharma, R Joshi, SK Sharma, BS Hsiao, "A Simple Approach to Prepare Carboxycellulose Nanofibers from Untreated Biomass", Biomacromolecules 18(8), 2333-2342, 2017.

[2] PR Sharma, A Chattopadhyay, C Zhan, SK Sharma, L Geng, BS Hsiao, "Lead Removal from Water using Carboxycellulose Nanofibers Prepared by Nitro-Oxidation Method", Cellulose, 25(3), 1961-1973, 2018.

[3] PR Sharma, A Chattopadhyay, SK Sharma, L Geng, N Amiralian, DJ Martin, BS Hsiao, "Nanocellulose from Spinifex as an Effective Adsorbent to Remove Cadmium(II) from Water", ACS Sustainable Chem. Eng., 6(3), 3279–3290, 2018.

[4] P Hadi, M Yang, H Ma, X Huang, H Walker, BS Hsiao, "Biofouling-Resistant Nanocellulose Layer in Hierarchical Polymeric Membranes: Synthesis, Characterization and Performance", Journal of Membrane Science, 579, 162–171, 2019.

[5] PR Sharma, SK Sharma, R Antoine, BS Hsiao, "Efficient Removal of Arsenic Using Zinc Oxide Nanocrystals Decorated Regenerated Microfibrillated Cellulose Scaffolds", ACS Sustainable Chemistry & Engineering, 7(6), 6140-6151, 2019.

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