Water-accessibility of interfibrillar spaces in spruce wood cell walls
Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell wa...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Penttilä, Paavo A. [verfasserIn] Zitting, Aleksi [verfasserIn] Lourençon, Tainise [verfasserIn] Altgen, Michael [verfasserIn] Schweins, Ralf [verfasserIn] Rautkari, Lauri [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Anmerkung: |
© The Author(s) 2021 |
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| Übergeordnetes Werk: |
Enthalten in: Cellulose - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1994, 28(2021), 18 vom: 18. Okt., Seite 11231-11245 |
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| Übergeordnetes Werk: |
volume:28 ; year:2021 ; number:18 ; day:18 ; month:10 ; pages:11231-11245 |
| Links: |
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| DOI / URN: |
10.1007/s10570-021-04253-3 |
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| Katalog-ID: |
SPR045551359 |
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| 520 | |a Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract | ||
| 650 | 4 | |a Wood |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Moisture |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Drying |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Nanoscale porosity |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Kinetics |7 (dpeaa)DE-He213 | |
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| 700 | 1 | |a Zitting, Aleksi |e verfasserin |4 aut | |
| 700 | 1 | |a Lourençon, Tainise |e verfasserin |4 aut | |
| 700 | 1 | |a Altgen, Michael |e verfasserin |4 aut | |
| 700 | 1 | |a Schweins, Ralf |e verfasserin |4 aut | |
| 700 | 1 | |a Rautkari, Lauri |e verfasserin |4 aut | |
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10.1007/s10570-021-04253-3 doi (DE-627)SPR045551359 (SPR)s10570-021-04253-3-e DE-627 ger DE-627 rakwb eng 540 ASE 35.63 bkl 35.77 bkl Penttilä, Paavo A. verfasserin aut Water-accessibility of interfibrillar spaces in spruce wood cell walls 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract Wood (dpeaa)DE-He213 Moisture (dpeaa)DE-He213 Drying (dpeaa)DE-He213 Nanoscale porosity (dpeaa)DE-He213 Kinetics (dpeaa)DE-He213 Small-angle neutron scattering (dpeaa)DE-He213 Zitting, Aleksi verfasserin aut Lourençon, Tainise verfasserin aut Altgen, Michael verfasserin aut Schweins, Ralf verfasserin aut Rautkari, Lauri verfasserin aut Enthalten in Cellulose Dordrecht [u.a.] : Springer Science + Business Media B.V, 1994 28(2021), 18 vom: 18. Okt., Seite 11231-11245 (DE-627)306353857 (DE-600)1496831-9 1572-882X nnns volume:28 year:2021 number:18 day:18 month:10 pages:11231-11245 https://dx.doi.org/10.1007/s10570-021-04253-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.63 ASE 35.77 ASE AR 28 2021 18 18 10 11231-11245 |
| spelling |
10.1007/s10570-021-04253-3 doi (DE-627)SPR045551359 (SPR)s10570-021-04253-3-e DE-627 ger DE-627 rakwb eng 540 ASE 35.63 bkl 35.77 bkl Penttilä, Paavo A. verfasserin aut Water-accessibility of interfibrillar spaces in spruce wood cell walls 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract Wood (dpeaa)DE-He213 Moisture (dpeaa)DE-He213 Drying (dpeaa)DE-He213 Nanoscale porosity (dpeaa)DE-He213 Kinetics (dpeaa)DE-He213 Small-angle neutron scattering (dpeaa)DE-He213 Zitting, Aleksi verfasserin aut Lourençon, Tainise verfasserin aut Altgen, Michael verfasserin aut Schweins, Ralf verfasserin aut Rautkari, Lauri verfasserin aut Enthalten in Cellulose Dordrecht [u.a.] : Springer Science + Business Media B.V, 1994 28(2021), 18 vom: 18. Okt., Seite 11231-11245 (DE-627)306353857 (DE-600)1496831-9 1572-882X nnns volume:28 year:2021 number:18 day:18 month:10 pages:11231-11245 https://dx.doi.org/10.1007/s10570-021-04253-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.63 ASE 35.77 ASE AR 28 2021 18 18 10 11231-11245 |
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10.1007/s10570-021-04253-3 doi (DE-627)SPR045551359 (SPR)s10570-021-04253-3-e DE-627 ger DE-627 rakwb eng 540 ASE 35.63 bkl 35.77 bkl Penttilä, Paavo A. verfasserin aut Water-accessibility of interfibrillar spaces in spruce wood cell walls 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract Wood (dpeaa)DE-He213 Moisture (dpeaa)DE-He213 Drying (dpeaa)DE-He213 Nanoscale porosity (dpeaa)DE-He213 Kinetics (dpeaa)DE-He213 Small-angle neutron scattering (dpeaa)DE-He213 Zitting, Aleksi verfasserin aut Lourençon, Tainise verfasserin aut Altgen, Michael verfasserin aut Schweins, Ralf verfasserin aut Rautkari, Lauri verfasserin aut Enthalten in Cellulose Dordrecht [u.a.] : Springer Science + Business Media B.V, 1994 28(2021), 18 vom: 18. Okt., Seite 11231-11245 (DE-627)306353857 (DE-600)1496831-9 1572-882X nnns volume:28 year:2021 number:18 day:18 month:10 pages:11231-11245 https://dx.doi.org/10.1007/s10570-021-04253-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.63 ASE 35.77 ASE AR 28 2021 18 18 10 11231-11245 |
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10.1007/s10570-021-04253-3 doi (DE-627)SPR045551359 (SPR)s10570-021-04253-3-e DE-627 ger DE-627 rakwb eng 540 ASE 35.63 bkl 35.77 bkl Penttilä, Paavo A. verfasserin aut Water-accessibility of interfibrillar spaces in spruce wood cell walls 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract Wood (dpeaa)DE-He213 Moisture (dpeaa)DE-He213 Drying (dpeaa)DE-He213 Nanoscale porosity (dpeaa)DE-He213 Kinetics (dpeaa)DE-He213 Small-angle neutron scattering (dpeaa)DE-He213 Zitting, Aleksi verfasserin aut Lourençon, Tainise verfasserin aut Altgen, Michael verfasserin aut Schweins, Ralf verfasserin aut Rautkari, Lauri verfasserin aut Enthalten in Cellulose Dordrecht [u.a.] : Springer Science + Business Media B.V, 1994 28(2021), 18 vom: 18. Okt., Seite 11231-11245 (DE-627)306353857 (DE-600)1496831-9 1572-882X nnns volume:28 year:2021 number:18 day:18 month:10 pages:11231-11245 https://dx.doi.org/10.1007/s10570-021-04253-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.63 ASE 35.77 ASE AR 28 2021 18 18 10 11231-11245 |
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10.1007/s10570-021-04253-3 doi (DE-627)SPR045551359 (SPR)s10570-021-04253-3-e DE-627 ger DE-627 rakwb eng 540 ASE 35.63 bkl 35.77 bkl Penttilä, Paavo A. verfasserin aut Water-accessibility of interfibrillar spaces in spruce wood cell walls 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract Wood (dpeaa)DE-He213 Moisture (dpeaa)DE-He213 Drying (dpeaa)DE-He213 Nanoscale porosity (dpeaa)DE-He213 Kinetics (dpeaa)DE-He213 Small-angle neutron scattering (dpeaa)DE-He213 Zitting, Aleksi verfasserin aut Lourençon, Tainise verfasserin aut Altgen, Michael verfasserin aut Schweins, Ralf verfasserin aut Rautkari, Lauri verfasserin aut Enthalten in Cellulose Dordrecht [u.a.] : Springer Science + Business Media B.V, 1994 28(2021), 18 vom: 18. Okt., Seite 11231-11245 (DE-627)306353857 (DE-600)1496831-9 1572-882X nnns volume:28 year:2021 number:18 day:18 month:10 pages:11231-11245 https://dx.doi.org/10.1007/s10570-021-04253-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.63 ASE 35.77 ASE AR 28 2021 18 18 10 11231-11245 |
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English |
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Enthalten in Cellulose 28(2021), 18 vom: 18. Okt., Seite 11231-11245 volume:28 year:2021 number:18 day:18 month:10 pages:11231-11245 |
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Enthalten in Cellulose 28(2021), 18 vom: 18. Okt., Seite 11231-11245 volume:28 year:2021 number:18 day:18 month:10 pages:11231-11245 |
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Wood Moisture Drying Nanoscale porosity Kinetics Small-angle neutron scattering |
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Penttilä, Paavo A. @@aut@@ Zitting, Aleksi @@aut@@ Lourençon, Tainise @@aut@@ Altgen, Michael @@aut@@ Schweins, Ralf @@aut@@ Rautkari, Lauri @@aut@@ |
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We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. 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Penttilä, Paavo A. |
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Penttilä, Paavo A. ddc 540 bkl 35.63 bkl 35.77 misc Wood misc Moisture misc Drying misc Nanoscale porosity misc Kinetics misc Small-angle neutron scattering Water-accessibility of interfibrillar spaces in spruce wood cell walls |
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540 ASE 35.63 bkl 35.77 bkl Water-accessibility of interfibrillar spaces in spruce wood cell walls Wood (dpeaa)DE-He213 Moisture (dpeaa)DE-He213 Drying (dpeaa)DE-He213 Nanoscale porosity (dpeaa)DE-He213 Kinetics (dpeaa)DE-He213 Small-angle neutron scattering (dpeaa)DE-He213 |
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ddc 540 bkl 35.63 bkl 35.77 misc Wood misc Moisture misc Drying misc Nanoscale porosity misc Kinetics misc Small-angle neutron scattering |
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Penttilä, Paavo A. Zitting, Aleksi Lourençon, Tainise Altgen, Michael Schweins, Ralf Rautkari, Lauri |
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Penttilä, Paavo A. |
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10.1007/s10570-021-04253-3 |
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water-accessibility of interfibrillar spaces in spruce wood cell walls |
| title_auth |
Water-accessibility of interfibrillar spaces in spruce wood cell walls |
| abstract |
Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract © The Author(s) 2021 |
| abstractGer |
Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract © The Author(s) 2021 |
| abstract_unstemmed |
Abstract Water interactions and accessibility of the nanoscale components of plant cell walls influence their properties and processability in relation to many applications. We investigated the water-accessibility of nanoscale pores within the fibrillar structures of unmodified Norway spruce cell walls by small-angle neutron scattering (SANS) and Fourier-transform infra-red (FTIR) spectroscopy. The different sensitivity of SANS to hydrogenated (%$\hbox {H}_2\hbox {O}%$) and deuterated water (%$\hbox {D}_2\hbox {O}%$) was utilized to follow the exchange kinetics of water among cellulose microfibrils. FTIR spectroscopy was used to study the time-dependent re-exchange of OD groups to OH in wood samples transferred from liquid %$\hbox {D}_2\hbox {O}%$ to %$\hbox {H}_2\hbox {O}%$. In addition, the effects of drying on the nanoscale structure and its water-accessibility were addressed by comparing SANS results and the kinetics of water exchange between never-dried and dried/rewetted wood samples. The results of the kinetic analyses allowed to identify two processes with different timescales. The diffusion-driven exchange of water in the spaces between microfibrils, which was observed with both SANS and FTIR, takes place within minutes and rather homogeneously. The second, slower process appeared only in the OD/OH re-exchange followed by FTIR, and it still continued after several weeks of immersion in %$\hbox {H}_2\hbox {O}%$. SANS could not detect any significant difference between the never-dried and dried/rewetted samples, whereas FTIR revealed a small portion of OD groups that resisted the re-exchange and this portion became larger with drying. Graphic abstract © The Author(s) 2021 |
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Water-accessibility of interfibrillar spaces in spruce wood cell walls |
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Zitting, Aleksi Lourençon, Tainise Altgen, Michael Schweins, Ralf Rautkari, Lauri |
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| score |
7.399864 |