Non-thermal plasma treatment of corn stalks examined by light microscopy
Tretman preseka stabljika kukuruza netermalnom plazmom ispitivan svetlosnom mikroskopijom
Samo za registrovane korisnike
2021
Autori
Đukić-Vuković, AleksandraMladenović, Dragana
Grbić, Jovana
Lazović, Saša
Pejin, Jelena
Kocić-Tanackov, Sunčica
Mojović, Ljiljana
Konferencijski prilog (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
Lignocellulosic substrates are abundant, and considered cheap sources of cellulose for biorefinery
processes. However, their use is limited because of complex and interlinked structures of cellulose
and lignin not easily accessible to enzymes for decomposition. Different chemical (acid, base, and
enzymatic hydrolysis) and physical pretreatments (e.g. steam explosion, high pressure, non-thermal
plasma) are used with limited success for degradation of lignin and better utilization of cellulose by
microorganisms during fermentation. Poor selectivity, low efficiency, and environmental hazards
are common problems in treatment of lignocellulose. Degradation of both cellulose and lignin, and
formation of compounds which inhibit microorganisms in subsequent fermentation often occurs
reducing the efficiency of bioprocessing.
The use of a low-power atmospheric pressure plasma source (plasma needle) was investigated for
treatment of corn stalks. Slices of corn stalks were subjected to n...on-thermal plasma treatment under
different conditions. After the treatment, they are dyed and studied using light microscopy.
AstraBlue® and safranin are used as dyes for staining of lignin in the absence and presence of
cellulose, respectively. Plasma can degrade both cellulose and lignin but at different rates and
treatment conditions can be tailored to achieve selectivity. This differential staining method is fast
and simple. It enables us to examine how selective plasma treatments are and has a potential for
screening of lignocellulose substrates
Lignocelulozni supstrati su široko rasprostranjeni i predstavljaju jeftine izvore celuloze za
biorafinerijske postupke. Pa ipak, njihova upotreba je ograničena zbog kompleksnog sastava i
izprepletanosti celuloznih i ligninskih komponenata što ih čini teško dostupnim za enzimsku
razgradnju. Različiti hemijski (kisela, bazna i enzimska hidroliza) i fizički pretretmani (npr. tretman
vodenom parom, visokim pritiskom, netermalnom plazmom) se koriste sa ograničenim uspehom za
degradaciju lignina i bolje iskorišćenje celuloze pomoću mikroorganizama u toku fermentacije.
Loša selektivnost, niska efikasnost i rizici vezani za uticaj na životnu sredinu su česti problemi
prilikom tretmana lignoceluloznih supstrata. U toku ovih tretmana, često dolazi do istovremene
razgradnje i celuloze i lignina i stvaranja inhibitornih jedinjenja koja negativno utiču na
mikroorganizame u toku fermentacije, utičući značajno na efikasnost celokupnog procesa.
U radu je ispitivana upotreba plazma izvora nis...ke snage na atmosferskom pritisku (plazma igle) za
tretman stabljika kukuruza. Preseci stabljika kukuruza su bili izloženi netermalnoj plazmi pri
različitim uslovima. Nakon tretmana, preseci su obojeni i posmatrani svetlosnim mikroskopom.
AstraBlue® i safranin su korišćeni kao boje za bojenje lignina u odsustvu i prisustvu celuloze,
redom. Pokazano je da plazma može da razgradi i lignin i celulozu, ali u različitoj meri i da uslovi
tretmana mogu biti kontrolisani tako da utiču na selektivnost razgradnje. Ovaj metod
diferencijalnog bojenja je brz i jednostavan. On omogućava da se ispita selektivnost tretmana
plazmom i ima potencijal za primenu u brzom skriningu lignoceluloznih supstrata
Ključne reči:
non-thermal plasma / lignocellulose / light microscopy / staining / corn stalks / netermalna plazma / lignoceluloza / svetlosna mikroskopija / bojenje / stabljike kukuruzaIzvor:
7th International conference Sustainable postharvest and food technologies - INOPTEP 2021, 2021, 29-30Izdavač:
- Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi
Finansiranje / projekti:
- Ministarstvo nauke, tehnološkog razvoja i inovacija Republike Srbije, institucionalno finansiranje - 200135 (Univerzitet u Beogradu, Tehnološko-metalurški fakultet) (RS-MESTD-inst-2020-200135)
Institucija/grupa
Tehnološko-metalurški fakultetTY - CONF AU - Đukić-Vuković, Aleksandra AU - Mladenović, Dragana AU - Grbić, Jovana AU - Lazović, Saša AU - Pejin, Jelena AU - Kocić-Tanackov, Sunčica AU - Mojović, Ljiljana PY - 2021 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6228 AB - Lignocellulosic substrates are abundant, and considered cheap sources of cellulose for biorefinery processes. However, their use is limited because of complex and interlinked structures of cellulose and lignin not easily accessible to enzymes for decomposition. Different chemical (acid, base, and enzymatic hydrolysis) and physical pretreatments (e.g. steam explosion, high pressure, non-thermal plasma) are used with limited success for degradation of lignin and better utilization of cellulose by microorganisms during fermentation. Poor selectivity, low efficiency, and environmental hazards are common problems in treatment of lignocellulose. Degradation of both cellulose and lignin, and formation of compounds which inhibit microorganisms in subsequent fermentation often occurs reducing the efficiency of bioprocessing. The use of a low-power atmospheric pressure plasma source (plasma needle) was investigated for treatment of corn stalks. Slices of corn stalks were subjected to non-thermal plasma treatment under different conditions. After the treatment, they are dyed and studied using light microscopy. AstraBlue® and safranin are used as dyes for staining of lignin in the absence and presence of cellulose, respectively. Plasma can degrade both cellulose and lignin but at different rates and treatment conditions can be tailored to achieve selectivity. This differential staining method is fast and simple. It enables us to examine how selective plasma treatments are and has a potential for screening of lignocellulose substrates AB - Lignocelulozni supstrati su široko rasprostranjeni i predstavljaju jeftine izvore celuloze za biorafinerijske postupke. Pa ipak, njihova upotreba je ograničena zbog kompleksnog sastava i izprepletanosti celuloznih i ligninskih komponenata što ih čini teško dostupnim za enzimsku razgradnju. Različiti hemijski (kisela, bazna i enzimska hidroliza) i fizički pretretmani (npr. tretman vodenom parom, visokim pritiskom, netermalnom plazmom) se koriste sa ograničenim uspehom za degradaciju lignina i bolje iskorišćenje celuloze pomoću mikroorganizama u toku fermentacije. Loša selektivnost, niska efikasnost i rizici vezani za uticaj na životnu sredinu su česti problemi prilikom tretmana lignoceluloznih supstrata. U toku ovih tretmana, često dolazi do istovremene razgradnje i celuloze i lignina i stvaranja inhibitornih jedinjenja koja negativno utiču na mikroorganizame u toku fermentacije, utičući značajno na efikasnost celokupnog procesa. U radu je ispitivana upotreba plazma izvora niske snage na atmosferskom pritisku (plazma igle) za tretman stabljika kukuruza. Preseci stabljika kukuruza su bili izloženi netermalnoj plazmi pri različitim uslovima. Nakon tretmana, preseci su obojeni i posmatrani svetlosnim mikroskopom. AstraBlue® i safranin su korišćeni kao boje za bojenje lignina u odsustvu i prisustvu celuloze, redom. Pokazano je da plazma može da razgradi i lignin i celulozu, ali u različitoj meri i da uslovi tretmana mogu biti kontrolisani tako da utiču na selektivnost razgradnje. Ovaj metod diferencijalnog bojenja je brz i jednostavan. On omogućava da se ispita selektivnost tretmana plazmom i ima potencijal za primenu u brzom skriningu lignoceluloznih supstrata PB - Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi C3 - 7th International conference Sustainable postharvest and food technologies - INOPTEP 2021 T1 - Non-thermal plasma treatment of corn stalks examined by light microscopy T1 - Tretman preseka stabljika kukuruza netermalnom plazmom ispitivan svetlosnom mikroskopijom EP - 30 SP - 29 UR - https://hdl.handle.net/21.15107/rcub_technorep_6228 ER -
@conference{ author = "Đukić-Vuković, Aleksandra and Mladenović, Dragana and Grbić, Jovana and Lazović, Saša and Pejin, Jelena and Kocić-Tanackov, Sunčica and Mojović, Ljiljana", year = "2021", abstract = "Lignocellulosic substrates are abundant, and considered cheap sources of cellulose for biorefinery processes. However, their use is limited because of complex and interlinked structures of cellulose and lignin not easily accessible to enzymes for decomposition. Different chemical (acid, base, and enzymatic hydrolysis) and physical pretreatments (e.g. steam explosion, high pressure, non-thermal plasma) are used with limited success for degradation of lignin and better utilization of cellulose by microorganisms during fermentation. Poor selectivity, low efficiency, and environmental hazards are common problems in treatment of lignocellulose. Degradation of both cellulose and lignin, and formation of compounds which inhibit microorganisms in subsequent fermentation often occurs reducing the efficiency of bioprocessing. The use of a low-power atmospheric pressure plasma source (plasma needle) was investigated for treatment of corn stalks. Slices of corn stalks were subjected to non-thermal plasma treatment under different conditions. After the treatment, they are dyed and studied using light microscopy. AstraBlue® and safranin are used as dyes for staining of lignin in the absence and presence of cellulose, respectively. Plasma can degrade both cellulose and lignin but at different rates and treatment conditions can be tailored to achieve selectivity. This differential staining method is fast and simple. It enables us to examine how selective plasma treatments are and has a potential for screening of lignocellulose substrates, Lignocelulozni supstrati su široko rasprostranjeni i predstavljaju jeftine izvore celuloze za biorafinerijske postupke. Pa ipak, njihova upotreba je ograničena zbog kompleksnog sastava i izprepletanosti celuloznih i ligninskih komponenata što ih čini teško dostupnim za enzimsku razgradnju. Različiti hemijski (kisela, bazna i enzimska hidroliza) i fizički pretretmani (npr. tretman vodenom parom, visokim pritiskom, netermalnom plazmom) se koriste sa ograničenim uspehom za degradaciju lignina i bolje iskorišćenje celuloze pomoću mikroorganizama u toku fermentacije. Loša selektivnost, niska efikasnost i rizici vezani za uticaj na životnu sredinu su česti problemi prilikom tretmana lignoceluloznih supstrata. U toku ovih tretmana, često dolazi do istovremene razgradnje i celuloze i lignina i stvaranja inhibitornih jedinjenja koja negativno utiču na mikroorganizame u toku fermentacije, utičući značajno na efikasnost celokupnog procesa. U radu je ispitivana upotreba plazma izvora niske snage na atmosferskom pritisku (plazma igle) za tretman stabljika kukuruza. Preseci stabljika kukuruza su bili izloženi netermalnoj plazmi pri različitim uslovima. Nakon tretmana, preseci su obojeni i posmatrani svetlosnim mikroskopom. AstraBlue® i safranin su korišćeni kao boje za bojenje lignina u odsustvu i prisustvu celuloze, redom. Pokazano je da plazma može da razgradi i lignin i celulozu, ali u različitoj meri i da uslovi tretmana mogu biti kontrolisani tako da utiču na selektivnost razgradnje. Ovaj metod diferencijalnog bojenja je brz i jednostavan. On omogućava da se ispita selektivnost tretmana plazmom i ima potencijal za primenu u brzom skriningu lignoceluloznih supstrata", publisher = "Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi", journal = "7th International conference Sustainable postharvest and food technologies - INOPTEP 2021", title = "Non-thermal plasma treatment of corn stalks examined by light microscopy, Tretman preseka stabljika kukuruza netermalnom plazmom ispitivan svetlosnom mikroskopijom", pages = "30-29", url = "https://hdl.handle.net/21.15107/rcub_technorep_6228" }
Đukić-Vuković, A., Mladenović, D., Grbić, J., Lazović, S., Pejin, J., Kocić-Tanackov, S.,& Mojović, L.. (2021). Non-thermal plasma treatment of corn stalks examined by light microscopy. in 7th International conference Sustainable postharvest and food technologies - INOPTEP 2021 Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi., 29-30. https://hdl.handle.net/21.15107/rcub_technorep_6228
Đukić-Vuković A, Mladenović D, Grbić J, Lazović S, Pejin J, Kocić-Tanackov S, Mojović L. Non-thermal plasma treatment of corn stalks examined by light microscopy. in 7th International conference Sustainable postharvest and food technologies - INOPTEP 2021. 2021;:29-30. https://hdl.handle.net/21.15107/rcub_technorep_6228 .
Đukić-Vuković, Aleksandra, Mladenović, Dragana, Grbić, Jovana, Lazović, Saša, Pejin, Jelena, Kocić-Tanackov, Sunčica, Mojović, Ljiljana, "Non-thermal plasma treatment of corn stalks examined by light microscopy" in 7th International conference Sustainable postharvest and food technologies - INOPTEP 2021 (2021):29-30, https://hdl.handle.net/21.15107/rcub_technorep_6228 .