Articles

Search Articles

Advanced search
Help

Catalogue

Articles

Databases

X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
lignin (16) 16
chemistry, physical (14) 14
chemistry (8) 8
chemistry, multidisciplinary (8) 8
fluorescence (8) 8
adsorption (7) 7
degradation (7) 7
photodegradation (7) 7
singlet oxygen (7) 7
bagasse (6) 6
hydrogen-peroxide (6) 6
photocatalysis (6) 6
analysis (5) 5
cellulose (5) 5
ground wood pulp (5) 5
hydrogen peroxide (5) 5
materials science, paper & wood (5) 5
mechanical pulps (5) 5
native wood (5) 5
oxygen (5) 5
photobleaching (5) 5
photoreactivity (5) 5
biodiesel (4) 4
dibenzodioxocins (4) 4
forestry (4) 4
oxidation (4) 4
spectroscopy (4) 4
absorption (3) 3
acetylation (3) 3
active oxygen (3) 3
agricultural engineering (3) 3
bleaching (3) 3
cane bagasse (3) 3
cellulose acetate (3) 3
dioxane lignin (3) 3
energy & fuels (3) 3
engineering, chemical (3) 3
engineering, environmental (3) 3
equilibrium (3) 3
flash-photolysis (3) 3
furfuryl alcohol (3) 3
hydroxyl radicals (3) 3
index medicus (3) 3
kinetics (3) 3
light (3) 3
lignin models (3) 3
model compounds (3) 3
phenols (3) 3
photolysis (3) 3
poly (3) 3
polymer science (3) 3
removal (3) 3
rich pulps (3) 3
self-assembled films (3) 3
softwood kraft pulp (3) 3
sugarcane (3) 3
sugarcane bagasse (3) 3
thickness effect (3) 3
titanium-dioxide (3) 3
viewer engagement (3) 3
abwasser (2) 2
acid (2) 2
agronomy (2) 2
antibacterial activity (2) 2
antibiotics (2) 2
antioxidant (2) 2
antioxidants (2) 2
azo-dye (2) 2
bacterial resistance (2) 2
biosorbent (2) 2
biosorption (2) 2
calorimetry (2) 2
cellulose - chemistry (2) 2
cellulose triacetate (2) 2
chemical properties (2) 2
contaminants (2) 2
copper determination (2) 2
curcumin (2) 2
delignification (2) 2
dentistry (2) 2
doxycycline (2) 2
drugs (2) 2
effluent (2) 2
enhanced oxygen delignification (2) 2
environmental sciences (2) 2
fluorescence spectroscopy (2) 2
formic-acid (2) 2
glycylcyclines (2) 2
k ei chemistry, physical (2) 2
learning processes (2) 2
lignin - chemistry (2) 2
lignins (2) 2
machine tools (2) 2
mass spectrometry (2) 2
mechanism (2) 2
membranes (2) 2
metal-based drugs (2) 2
metal-working not otherwise provided for (2) 2
models, chemical (2) 2
molecular structure (2) 2
more...
Library Location Library Location
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


1. Full Text Bio-based cellulose acetate films reinforced with lignin and glycerol
by de Melo, Patricia Gontijo and Fornazier Borges, Mariana and Afonso Ferreira, Jéssica and Vicente Barbosa Silva, Matheus and Ruggiero, Reinaldo
International Journal of Molecular Sciences, ISSN 1661-6596, 04/2018, Volume 19, Issue 4, p. 1143
Two sets of four cellulose acetate (degree of substitution = 2.2) were incorporated with lignin extracted from the macauba endocarp, before and after being... 
Glycerol | Membranes | Macaúba endocarp | Cellulose acetate | Lignins | membranes | macauba endocarp | lignins | BIOCHEMISTRY & MOLECULAR BIOLOGY | PURIFICATION | cellulose acetate | DEGRADATION | SEPARATION | CHEMISTRY, MULTIDISCIPLINARY | glycerol | macaúba endocarp
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
2. Full Text Teaching Students How To Troubleshoot, Repair, and Maintain Magnetic Stirring Hot Plates Using Low-Cost Parts or Repurposed Materials
by de Paula, Lucas F and Ruggiero, Reinaldo
Journal of Chemical Education, ISSN 0021-9584, 11/2018, Volume 95, Issue 11, pp. 2050 - 2054
Considering the large number of magnetic stirring hot plates that are damaged or unused in chemical laboratories, this Technology Report presents guidelines... 
First-Year Undergraduate/General | Hands-On Learning/Manipulatives | High School/Introductory Chemistry | Public Understanding/Outreach | Laboratory Instruction | Laboratory Equipment/Apparatus | CHEMISTRY, MULTIDISCIPLINARY | EDUCATION, SCIENTIFIC DISCIPLINES | Chemistry | College Science | Science Instruction | Undergraduate Students | Laboratory Experiments | Science Laboratories | Laboratory Equipment
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
3. Full Text Adsorption of Brilliant Red 2BE dye from water solutions by a chemically modified sugarcane bagasse lignin
by da Silva, Leandro G and Ruggiero, Reinaldo and Gontijo, Patrícia de M and Pinto, Rodrigo B and Royer, Betina and Lima, Eder C and Fernandes, Thais H.M and Calvete, Tatiana
Chemical Engineering Journal, ISSN 1385-8947, 2011, Volume 168, Issue 2, pp. 620 - 628
A lignin resulting from acid hydrolysis of sugarcane bagasse in the process of bioethanol production from biomass ( = 1890 g mol ) was purified and... 
Lignin | Brilliant Red 2BE dye | Adsorption kinetics | Adsorption | Nonlinear isotherm fitting | COPPER DETERMINATION | AZO-DYE | AQUEOUS-SOLUTION | ENGINEERING, CHEMICAL | BIOSORBENT | REMOVAL | ENGINEERING, ENVIRONMENTAL | KINETICS | BIOSYNTHESIS | EQUILIBRIUM | BIOSORPTION | PINE-FRUIT SHELL | Hydrolysis | Chemical properties | Sugarcane | Production processes | Dyes | Macromolecules | Bagasse | pH | Calorimetry | Textiles | Adsorbents
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
4. Full Text ADSORÇÃO DE CONTAMINANTES DO BIODIESEL POR FIBRAS DE BAGAÇO MODIFICADAS NA SUPERFÍCIE
by Oliveir, Renata and Borges, Mariana and Vieira, Andressa and Henrique, Mariana and Ribeiro, Elaine and Bezerra, Franciel and Portela, Flaysner and Pereira, Nilson and Assunção, Rosana and Ruggiero, Reinaldo
Química Nova, ISSN 0100-4042, 2017, Volume 41, Issue 2, pp. 121 - 128
Sugarcane bagasse fibers chemically modified on its surface were used to adsorb contaminants from biodiesel. Two biodiesel samples were used as adsorbates:... 
contaminants | adsorption | bagasse | biodiesel
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
5. Full Text Adsorption of Procion Blue MX-R dye from aqueous solutions by lignin chemically modified with aluminium and manganese
by Adebayo, Matthew A and Prola, Lizie D.T and Lima, Eder C and Puchana-Rosero, M.J and Cataluña, Renato and Saucier, Caroline and Umpierres, Cibele S and Vaghetti, Julio C.P and da Silva, Leandro G and Ruggiero, Reinaldo
Journal of Hazardous Materials, ISSN 0304-3894, 03/2014, Volume 268, pp. 43 - 50
A macromolecule, CML, was obtained by purifying and carboxy-methylating the lignin generated from acid hydrolysis of sugarcane bagasse during bioethanol... 
Procion Blue MX-R dye | Adsorption | Nonlinear isotherm fitting | General order kinetic model | Lignin complex | MULTI-WALLED CARBON | COPPER DETERMINATION | AZO-DYE | BIOSORBENT | ENVIRONMENTAL SCIENCES | FRUIT SHELL | REMOVAL | ENGINEERING, ENVIRONMENTAL | ACTIVATED CARBON | TEXTILE DYE | EQUILIBRIUM | BIOSORPTION | Microscopy, Electron, Scanning | Aluminum - chemistry | Models, Chemical | Triazines - isolation & purification | Lignin - chemistry | Manganese - chemistry | Spectroscopy, Fourier Transform Infrared | Industrial Waste | Water Pollutants, Chemical - isolation & purification | Solutions | Surface Properties | Calorimetry, Differential Scanning | Molecular Structure | Kinetics | Water Purification - methods | Hydrogen-Ion Concentration | Lignin
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
6. Full Text Experimental and theoretical studies of the thermal degradation of a phenolic dibenzodioxocin lignin model
by Gardrat, Christian and Gardrat, Christian and Ruggiero, Reinaldo and Ruggiero, Reinaldo and Rayez, Marie-Thérèse and Rayez, Marie-Thérèse and Rayez, Jean-Claude and Rayez, Jean-Claude and Castellan, Alain and Castellan, Alain
Wood Science and Technology, ISSN 0043-7719, 1/2013, Volume 47, Issue 1, pp. 27 - 41
A large part of biphenyl structures in lignin are etherified by α- and β-carbons of another phenylpropane unit to give an eight-member ring called... 
Life Sciences | Ceramics, Glass, Composites, Natural Methods | Operating Procedures, Materials Treatment | Wood Science & Technology | DELIGNIFICATION MECHANISM | FORESTRY | PYROLYSIS REACTIONS | MATERIALS SCIENCE, PAPER & WOOD | BEHAVIOR | Lignin | Mass spectrometry | Analysis | Phenols | Biphenyl | Mass spectroscopy | Density functional theory | Cleavage | Phenolic compounds | Thermal degradation | Polymers | Chemical Sciences
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
7. Full Text Phosphate adsorption on chemically modified sugarcane bagasse fibres
by Carvalho, Wender Santana and Martins, Douglas Ferreira and Gomes, Fernando Rosa and Leite, Inácio Ramos and Gustavo da Silva, Leandro and Ruggiero, Reinaldo and Richter, Eduardo Mathias
Biomass and Bioenergy, ISSN 0961-9534, 2011, Volume 35, Issue 9, pp. 3913 - 3919
Integral sugarcane bagasse fibres of about 2 cm length that were pre-treated for removal of greases and sugars were carboxymethylated on their surface,... 
Sorption | Fe 2 | PO 43 | Isotherms | Carboxymethylated lignin | Sugarcane bagasse | Fe2 | PO43 | ENERGY & FUELS | POLYMERIC HYDROGELS | REMOVAL | AGRICULTURAL ENGINEERING | BIOTECHNOLOGY & APPLIED MICROBIOLOGY | EQUILIBRIUM | PHOTODEGRADATION | METAL-IONS | EXCHANGE | CELLULOSE | BINDING | LIGNIN | WATER | Phosphates | Chemical properties | Adsorption | Sugarcane | Analysis | Absorption
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
8. Full Text Tetrahydrocurcuminoids as potential antioxidants for biodiesels
by Serqueira, Dalyelli S and Dornellas, Rafael M and Silva, Leandro G and de Melo, Patrícia G and Castellan, Alain and Ruggiero, Reinaldo and Richter, Eduardo M and Munoz, Rodrigo A.A
Fuel, ISSN 0016-2361, 11/2015, Volume 160, pp. 490 - 494
This work demonstrates the potential use of tetrahydrocurcuminoids (THCs) as natural antioxidants to enhance the oxidation stability of biodiesels. Fatty acid... 
Curcumin | Natural antioxidant | Oxidation stability | Rancimat | ENGINEERING, CHEMICAL | ANTIINFLAMMATORY ACTIVITY | OIL | ENERGY & FUELS | OXIDATIVE STABILITY | TERT-BUTYLHYDROQUINONE | Antioxidants
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
9. Full Text Adsorption of biodiesel contaminants by surface-modified bagasse fibers
by De Souza Oliveira, Renata and Borges, Mariana Fornazier and Vieira, Andressa Tironi and Henrique, Mariana Alves and Ribeiro, Elaine A. Mundim and Bezerra, Franciel Aureliano and Portela, Flaysner Magayver and Pereira, Nilson Roberto and De Assunção, Rosana Maria Nascimento and Ruggiero, Reinaldo
Quimica Nova, ISSN 0100-4042, 02/2018, Volume 41, Issue 2, pp. 121 - 128
Adsorption | Contaminants | Biodiesel | Bagasse
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
10. Full Text Direct amperometric determination of tert-butylhydroquinone in biodiesel
by Tormin, Thiago F and Gimenes, Denise T and Silva, Leandro G and Ruggiero, Reinaldo and Richter, Eduardo M and Ferreira, Valdir S and Muñoz, Rodrigo A.A
Talanta, ISSN 0039-9140, 2010, Volume 82, Issue 4, pp. 1599 - 1603
The direct amperometric determination of tert-butylhydroquinone (TBHQ) in biodiesel at an unmodified glassy carbon electrode is reported. A biodiesel aliquot... 
TBHQ | Multiple-pulse amperometry | Antioxidant | Biodiesel | Direct analysis | CHEMISTRY, ANALYTICAL | STABILITY | SENSOR | OIL | FLOW-INJECTION | ELECTRODE | BHA | BUTYLATED HYDROXYANISOLE | FOOD | Biofuels - analysis | Chromatography, High Pressure Liquid | Electrochemistry - methods | Hydroquinones - analysis | Antioxidants | Electrochemistry | Analysis | Biodiesel fuels
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
11. Full Text Fluorescence quantum efficiency of CdSe/ZnS quantum dots embedded in biofluids: PH dependence
by Pilla, Viviane and Alves, Leandro P and De Santana, Juliana F and Da Silva, Leandro G and Ruggiero, Reinaldo and Munin, Egberto
Journal of Applied Physics, ISSN 0021-8979, 11/2012, Volume 112, Issue 10, p. 104704
The radiative quantum efficiency (g) of CdSe/ZnS core-shell quantum dots (QDs) embedded in synthetic oral fluid was measured using a thermal lens (TL)... 
PHYSICS, APPLIED | THERMAL LENS SPECTROMETRY | CDTE | DIAGNOSTICS | NANOCRYSTALS | SALIVA | Thermal properties | Fluorescence | Zinc compounds | Usage | Quantum dots | Optical properties | Zinc sulfides | Quantum efficiency | Fluid dynamics | Fluid flow | Intermetallics | Cadmium selenides
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
12. Full Text Study of in vitro degradation of cellulose acetate membranes modified and incorporated with tetracycline for use as an adjuvant in periodontal reconstitution
by Ruggiero, Reinaldo and de Almeida Carvalho, Vanessa and da Silva, Leandro Gustavo and de Magalhães, Denildo and Ferreira, Jéssica Afonso and de Menezes, Helder Henrique Machado and de Melo, Patricia Gontijo and Naves, Marina Melo
Industrial Crops & Products, ISSN 0926-6690, 10/2015, Volume 72, pp. 2 - 6
Commercial cellulose diacetate (DS = 2.45) was partially deacetylated to an appropriate degree of substitution and, after being embedded with tetracycline, was... 
Degradation | Membrane | Drug delivery | Cellulose acetate | Tetracycline | DEFECTS | AGRONOMY | COLLAGEN MEMBRANES | DRUG-DELIVERY | REGENERATION | RELEASE | AGRICULTURAL ENGINEERING | DISEASE | GROWTH | BONE | Drugs | Drug delivery systems | Cellulose | Vehicles
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
13. Full Text Monitoring the video use for learning support
by Stiubiener, Itana and Silveira, Regina M and Matushima, Reinaldo and Ruggiero, Wilson V
Proceedings - Frontiers in Education Conference, FIE, ISSN 1539-4565, 2013, pp. 767 - 772
Learning processes | Video | Viewer engagement
Conference Proceeding
Details down arrow
Digital rights down arrow
loading Loading Rights
14. Full Text Influence of hemostatic solution on bond strength and physicochemical properties of resin cement
by de Araújo, Isabela Sousa and do Prado, Célio Jesus and Raposo, Luís Henrique Araújo and Soares, Carlos José and Zanatta, Rayssa Ferreira and Torres, Carlos Rocha Gomes and Ruggiero, Reinaldo and da Silva, Gisele Rodrigues
Brazilian Dental Journal, ISSN 0103-6440, 09/2017, Volume 28, Issue 5, pp. 624 - 631
Abstract The aim of this study was to evaluate the degree of conversion, color stability, chemical composition, and bond strength of a light-cured resin cement... 
Color analysis | Bond strength | Degree of conversion | Hemostatic solutions | Light-cure resin cement
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
15. Influence of Hemostatic Solution on Bond Strength and Physicochemical Properties of Resin Cement
by Araújo, Isabela Sousa de and Prado, Célio Jesus do and Raposo, Luís Henrique Araújo and Soares, Carlos José and Zanatta, Rayssa Ferreira and Torres, Carlos Rocha Gomes and Ruggiero, Reinaldo and Silva, Gisele Rodrigues da
Brazilian dental journal, 09/2017, Volume 28, Issue 5, p. 624
The aim of this study was to evaluate the degree of conversion, color stability, chemical composition, and bond strength of a light-cured resin cement... 
Journal Article
Details down arrow
16. Full Text ADSORÇÃO DE CONTAMINANTES DO BIODIESEL POR FIBRAS DE BAGAÇO MODIFICADAS NA SUPERFÍCIE
by Oliveira, Renata de Souza and Borges, Mariana Fornazier and Vieira, Andressa Tironi and Henrique, Mariana Alves and Ribeiro, Elaine A. Mundim and Bezerra, Franciel Aureliano and Portela, Flaysner Magayver and Pereira, Nilson Roberto and Assunção, Rosana Maria Nascimento de and Ruggiero, Reinaldo
Química Nova, ISSN 1678-7064, 02/2018, Volume 41, Issue 2, pp. 121 - 128
CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
17. Full Text Destruction of the organic matter present in effluent from a cellulose and paper industry using photocatalysis
by Machado, Antonio Eduardo H and de Miranda, Jacques A and de Freitas, Renato F and Duarte, Edward Thomas F.M and Ferreira, Lucas F and Albuquerque, Yaico D.T and Ruggiero, Reinaldo and Sattler, Christian and de Oliveira, Lamark
Journal of Photochemistry & Photobiology, A: Chemistry, ISSN 1010-6030, 2003, Volume 155, Issue 1, pp. 231 - 241
The use of photocatalysis to perform the degradation of the organic matter present in the effluent from a paper and cellulose mill was studied. The best... 
Degradation | Lignin fragments | Lignosulphonate | TiO 2 | Photocatalysis | Effluent | TiO | OXIDATION | ACID | POLLUTANTS | CONVERSION | TIO2 MICROPOROUS ELECTRODE | CHEMISTRY, PHYSICAL | degradation | effluent | SENSITIZATION | lignin fragments | MINERALIZATION | PHOTOSENSITIZATION | photocatalysis | TITANIUM-DIOXIDE | lignosulphonate | TiO2
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
18. Full Text Coordenação de metais a antibióticos como uma estratégia de combate à resistência bacteriana
by Rocha, Diego Pessoa and Pinto, Gabriel Ferreira and Ruggiero, Reinaldo and Oliveira, Carlos Alberto de and Guerra, Wendell and Fontes, Ana Paula Soares and Tavares, Tatiane Teixeira and Marzano, Ivana Marques and Pereira-Maia, Elene Cristina
Química Nova, ISSN 0100-4042, 2011, Volume 34, Issue 1, pp. 111 - 118
Antibiotic resistance has been growing at an alarming rate and consequently the arsenal of effective antibiotics against Gram-negative and Gram-positive... 
metal-based drugs | antibiotics | bacterial resistance
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
19. Full Text Release of doxycycline through cellulose acetate symmetric and asymmetric membranes produced from recycled agroindustrial residue: Sugarcane bagasse
by Rodrigues Filho, Guimes and Ribeiro, Sabrina Dias and Meireles, Carla da Silva and da Silva, Leandro Gustavo and Ruggiero, Reinaldo and Ferreira, Moacir Fernandes and Cerqueira, Daniel Alves and de Assunção, Rosana Maria Nascimento and Zeni, Mara and Polleto, Patricia
Industrial Crops & Products, ISSN 0926-6690, 2011, Volume 33, Issue 3, pp. 566 - 571
▶ Matrices of cellulose from sugar cane bagasse were studied for doxycycline release. ▶ Membranes asymmetric and symmetric were utilized. ▶ The drug release... 
Symmetric and asymmetric membranes | Controlled-release | Cellulose triacetate | Doxycycline | Sugarcane bagasse | AGRONOMY | AGRICULTURAL ENGINEERING | CANE BAGASSE | WATER FLUX | ACETYLATION | PLASTICIZER | Polysaccharides | Sustainable development | Sugarcane | Acetates | Cellulose
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
20. Full Text CoordenaçÃo de metais a antibióticos como uma estratégia de combate à resistência bacteriana
by Pessoa Rocha, Diego and Ferreira Pinto, Gabriel and Ruggiero, Reinaldo and De Oliveira, Carlos Alberto and Guerra, Wendell and Soares Fontes, Ana Paula and Tavares, Tatiane Teixeira and Marzano, Ivana Marques and Pereira-Maia, Elene Cristina
Quimica Nova, ISSN 0100-4042, 2011, Volume 34, Issue 1, pp. 111 - 118
Metal-based drugs | Antibiotics | Bacterial resistance | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.