Erkko Ilari Filpponen

Works (11)

Updated: July 5th, 2023 15:55

2011 journal article

Protein analysis by P-31 NMR spectroscopy in ionic liquid: Quantitative determination of enzymatically created cross-links

Journal of Agricultural and Food Chemistry, 59(4), 1352–1362.

By: E. Monogioudi, P. Permi, I. Filpponen, M. Lienemann, B. Li, D. Argyropoulos, J. Buchert, M. Mattinen

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Acidolysis of Wood in Ionic Liquids

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 49(7), 3126–3136.

By: B. Li n, I. Filpponen  n & D. Argyropoulos n 

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

Factors Affecting Wood Dissolution and Regeneration of Ionic Liquids

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 49(5), 2477–2484.

By: B. Li n, J. Asikkala n, I. Filpponen  n & D. Argyropoulos n 

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

Regular Linking of Cellulose Nanocrystals via Click Chemistry: Synthesis and Formation of Cellulose Nanoplatelet Gels

BIOMACROMOLECULES, 11(4), 1060–1066.

By: I. Filpponen  n & D. Argyropoulos n 

MeSH headings : Alkynes / chemistry; Azides / chemistry; Biocompatible Materials / chemistry; Catalysis; Cellulose / chemistry; Cellulose / ultrastructure; Cyclic N-Oxides / chemistry; Cyclization; Gels; Microscopy, Electron, Transmission; Nanoparticles / chemistry; Nanoparticles / ultrastructure; Nanostructures / chemistry; Nanostructures / ultrastructure; Oxidation-Reduction; Spectroscopy, Fourier Transform Infrared; Spin Labels; Surface Properties
TL;DR: In this communication, a method for the grafting of amine-terminated monomers onto surface-modified CNCs followed by click chemistry is demonstrated demonstrating a degree of molecular control for creating these structures at the nano level. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

In Situ Determination of Lignin Phenolics and Wood Solubility in Imidazolium Chlorides Using P-31 NMR

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 57(18), 8236–8243.

By: A. King, L. Zoia*, I. Filpponen, A. Olszewska, H. Xie, I. Kilpelainen, D. Argyropoulos* 

author keywords: P-31 NMR; EMAL; ionic liquids; spruce; eucalpytus; corn
MeSH headings : Chlorides; Eucalyptus; Imidazoles; Lignin / chemistry; Magnetic Resonance Spectroscopy; Phenols / analysis; Picea; Solubility; Solutions; Wood / chemistry; Zea mays / chemistry
TL;DR: Corn stover, Norway spruce, and Eucalyptus grandis were pulverized to different degrees and the lignin in these samples was further enriched using cellulase and acidolysis treatments, allowing for comparison with the fibrous samples. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Structure of the Polyphenolic Component of Suberin Isolated from Potato (Solanum tuberosum var. Nikola)

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 57(20), 9747–9753.

By: M. Mattinen, I. Filpponen, R. Jarvinen, B. Li*, H. Kallio, P. Lehtinen, D. Argyropoulos* 

author keywords: ionic liquid; phenolic component; P-31 NMR; potato; structure suberin
MeSH headings : Flavonoids / chemistry; Flavonoids / isolation & purification; Lipids / chemistry; Lipids / isolation & purification; Molecular Structure; Phenols / chemistry; Phenols / isolation & purification; Plant Extracts / chemistry; Plant Extracts / isolation & purification; Polyphenols; Solanum tuberosum / chemistry
TL;DR: Phenolics in peels may be important sources of antioxidants for various applications and characterized in solid state by FTIR, DSC, and elemental analysis to identify the groups and to verify success of isolation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Determination of Cellulose Reactivity by Using Phosphitylation and Quantitative P-31 NMR Spectroscopy

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 47(22), 8906–8910.

By: I. Filpponen  n & D. Argyropoulos n 

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Comparative evaluation of three lignin isolation protocols for various wood species

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 54(26), 9696–9705.

By: A. Guerra n, I. Filpponen  n, L. Lucia n  & D. Argyropoulos n 

author keywords: EMAL; MWL; CEL; DFRC; P-31 NMR; ball milling; lignin; southern pine; Douglas fir; white fir; redwood; Eucalyptus globulus; compression wood
MeSH headings : Abies / chemistry; Eucalyptus / chemistry; Hydrogen-Ion Concentration; Lignin / chemistry; Lignin / isolation & purification; Magnetic Resonance Spectroscopy; Molecular Weight; Pinus / chemistry; Pseudotsuga / chemistry; Sequoia / chemistry; Species Specificity; Wood / chemistry
TL;DR: Molecular weight analyses showed that the EMAL protocol isolates lignin fractions that are not accessed by the other procedures evaluated, while 31P NMR spectroscopy revealed that MWL is more condensed and bears more phenolic hydroxyl groups than EMAL and CEL. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Spectral monitoring of the formation and degradation of polysulfide ions in alkaline conditions

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 45(22), 7388–7392.

By: I. Filpponen  n, A. Guerra n, A. Hai  n, n. Lucia  n & D. Argyropoulos n 

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Toward a better understanding of the lignin isolation process from wood

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 54(16), 5939–5947.

By: A. Guerra n, I. Filpponen  n, L. Lucia n , C. Saquing n, S. Baumberger  n & D. Argyropoulos n 

author keywords: enzymatic mild acidolysis lignin; MWL; CEL; DFRC; P-31 NMR; spruce; vibratory milling; ball milling; lignin
MeSH headings : Carbohydrates / chemistry; Cellulases; Ethers / analysis; Hydrogen-Ion Concentration; Lignin / chemistry; Lignin / isolation & purification; Magnetic Resonance Spectroscopy; Molecular Weight; Polymers / chemistry; Vibration; Wood
TL;DR: The recently developed protocol for isolating enzymatic mild acidolysis lignins (EMAL) coupled with the novel combination of derivatization followed by reductive cleavage (DFRC) and quantitative (31)P NMR spectroscopy were used to better understand the lignin isolation process from wood. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

conference paper

The use of cellulose nanocrystals as scaffolds for nanodevices; supramolecular chemistry using nature's most ambundant template

Argyropoulos, D. S., & Filpponen, I. Research Progress in Paper Industry and Biorefinery (4th ISETPP), vols 1-3, 26–29.

By: D. Argyropoulos  & I. Filpponen

Source: NC State University Libraries
Added: August 6, 2018

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