sibele b. c. pergher ufrn ii brazilian-turkish nanotechnology workshop
TRANSCRIPT
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Research on Development about Nanotechnology in UFRN
Sibele B. C. PergherUFRN
II BRAZILIAN-TURKISH NANOTECHNOLOGY WORKSHOP
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UFRN
Rectory
Numbers
2
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Drug DeliveryPla
smati
c Le
vel
Toxic Range
Therapeutic Range
Sub Therapeutic Range
Time (days)
3
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Synthesis of new hybrid materials from montmotillonite and biopolymer for Olanzapine
deliveryArtur de Santana Oliveira and Sibele Pergher
H3C
N
N
N
NH
H3CS
Olanzapine Structure
T
O
T
T
O
T
Carregadanegativamente
Cátions trocáveis
Drug Delivery
Montmorillonite Structure
0,97nm
Cations
4
LABPEMOL- Laboratório de Peneiras MolecularesSibele Pergher
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Drug Delivery
Xanthan Gum
Alginate
5
LABPEMOL- Laboratório de Peneiras MolecularesSibele Pergher
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Drug Delivery
6
LABPEMOL- Laboratório de Peneiras MolecularesSibele Pergher
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Projects in developmentStudy of the effect of dexamethasone combined with
multifunctional gold nanoparticles on inflammatory response of experimental oral mucositis: targeted and photothermal therapy- Caroline A. C. X. de Medeiros
Assessment of the effects of gold nanoparticles in cancer cells - Raimundo F. de Araujo Junior
Development of Nanostructured Lipid Carrier containing oily fraction of BIXA ORELLANA l. as alternative therapy in the treatment of leishmaniasis - Fernanda N. Raffin
Collection and characterization of polymeric nanolattices with low concentration of surfactant for biomedical applications - Juliana de S. Nunes
Drug Delivery
7
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Projects in development Extraction of silk fibers nanoparticles and their potential
application in drug delivery nano systems - Rasiah Ladchumananandasivam
Development and characterization of nanoparticles containing copaiba essential oil for the treatment of infectious diseases - Eryvaldo Socrates Tabosa Do Egito
Development of mesoporous magnetic nanoparticles for application in hyperthermia and controlled release of drugs - Artur da Silva Carrico
Drug Delivery
8
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Sensors and Actuators B 196 (2014) 306–313
Nanomaterials
9
LENA: Laboratório de Eletroquímica e Nanopartículas AplicadasLuiz Henrique Gasparotto
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RSC Adv., 2015, 5, 66886
Nanomaterials
10
LENA: Laboratório de Eletroquímica e Nanopartículas AplicadasLuiz Henrique Gasparotto
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Aim: Use of Mg-nanomotor for rapid and effective remeadiation of nitrite from drinking water/groundwater.Motivation: Nitrite is a toxic inorganic contaminant that is hazardous to the health of humans. Approach: Mg nanoparticle is used to reduce the nitrite into ammonia (60-95%) and nitrogen.NO2
- + 2Mg + 3H2O → NH3 + 2Mg(OH)2 + OH-
2NO2- + 2Mg + 4H2O → N2 + 2Mg(OH)2 +
2OH-
Mg-nanomotors for removing Nitrite from water
Water purification by nanomotorsA B
C
SEM images illustrating the Mg-nanomotor surface: (A) Ti coated Mg micromotor. EDX spectroscopy images of an Mg micromotor illustrating the distribution of (B) Titanium and (C) Magnesium. (D) Propulsion images of Mg micromotor showing the circular trajectory in 2 % NaCl solution and 1% Triton X-100.
D
400 500 600
0.0
0.1
0.2
0.3
/nm
Abs.
a: Std. Nitrite solutionb: PEDOT motor (1.41%) c: Mg Micromotor (92.83%)
a
b
c
O2
H2
2NO2- N2(g) + 2OH-
(aq) + 4H2O(l)
2NO2- N2(g) + 2OH-
(aq) + 4H2O(l)
Mg-nanomotors
Nano-rockets
Next objective: The use of nano-rockets for removing organic pollutants from water
Laboratory of Environmental and Applied Electrochemistry – Prof. Carlos A Martinez Huitle ([email protected])
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Electrocatalytic materials decorated with nanomaterials for removing pollutants from water
Water purification by electrochemistryLaboratory of Environmental and Applied Electrochemistry – Prof. Carlos A Martinez Huitle ([email protected])
Aim: Large disk electrodes of Ti/TiO2-nanotubes/PbO2 (65 cm2 of geometrical area) are successfully synthesized by anodization and electrodeposition procedures. Characterization of anodes was performed by SEM, EDS, AFM and electrochemical measurements, aiming towards environmental applications. PbO2, an electrocatalytic material, promotes the production of strong oxidizing species (hydroxyl radicals) that can be used for decontamination of water.
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Zeolites
https://research.chemistry.ohio-state.edu/dutta/group-members/michael-severance/
Oxygen
Silicon or Aluminum
Nanomaterials
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Shape SelectivityReagent Selectivity
+
Zeólitas
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Product Selectivity
CH3OH +
Zeólitas
Shape Selectivity
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Transition State Selectivity
Zeólitas
Shape Selectivity
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Layered Zeolitic precursor
MCM-22
MCM-36
ITQ-2
Calcination
Pillarization Delamination
Nanomaterials
Pergher, S. B. C.; Corma, A.; Fornés, V.; Quím. Nova 2003, 26, 795.Pergher, S. B. C.; Corma, A.; Fornés, V.; Acta Scientiarum. Tecnology. 2003, 25, 83.Corma, A.; Fornes, V.; Pergher, S. B. C.; Patente Mundial WO9717290A1, 1997.Corma, A.; Fornes, V.; Pergher, S. B. C.; Maesen Th. L.; Buglass, J. G.; Nature 1998, 396, 353.
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MCM-22
18
LABPEMOL- Laboratório de Peneiras MolecularesSibele Pergher
Nanomaterials
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SBET
(m2/g)Vtotal
(cm3/g)VBJH
(cm3/g)M22-50 451 0.5239 0.1692M36-50 810 0.5920 0.3159ITQ2-50 841 0.9478 0.8533
0,0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1,00
100
200
300
400
500
600
700
ITQ2-50
M36-50
M22-50
Vol
umen
Ads
orbi
do (
cm3 /
g)
p/po
N2 Adsorption Isotherm
150oC 250oC 350oC
Lewis Brönsted
Lewis Brönsted
Lewis Brönsted
MCM-22
15,0 24,9 10,5 20,7 9,0 15,4
ITQ-2 17,4 13,6 16,2 11,8 10,8 4,7
ITQ-2
Nanomaterials
LABPEMOL- Laboratório de Peneiras MolecularesSibele Pergher
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20
0,3 0,4 0,5 0,6 0,7 0,810
20
30
40
50
60C
onve
rsió
n (%
) M22-50
ITQ2-50
M36-50
CAT/OIL
Cracking of n-Decane
15 20 25 30 35 40 45 50 55 604
6
8
10
12
14 M22-50
ITQ2-50
M36-50
C5-
C9
(%)
Conversión (%)
15 20 25 30 35 40 45 50 55 60
10
20
30
40
M22-50
ITQ2-50
M36-50
Gas
es (
%)
Conversión (%)15 20 25 30 35 40 45 50 55 60
1
2
3
4
5
6
7 M22-50
ITQ2-50
M36-50C
oque
(%
)
Conversión (%)
Nanomaterials
LABPEMOL- Laboratório de Peneiras MolecularesSibele Pergher
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0,1 0,2 0,3 0,4 0,5 0,6 0,7
30
40
50
60
Co
nv
ersi
ón
(%
)
M22-50
ITQ2-50
M36-50
CAT/OIL
Cracking of Gasoil
30 35 40 45 50 55 6010
15
20
25M22-50
ITQ2-50
M36-50
Gas
oli
na
(%)
Conversión (%)30 35 40 45 50 55 60
6
8
10 M22-50
ITQ2-50
M36-50
Die
sel
(%)
Conversión (%)
Nanomaterials
LABPEMOL- Laboratório de Peneiras MolecularesSibele Pergher
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22
30 35 40 45 50 55 60
10
15
20
25 M22-50
ITQ2-50
M36-50
Gas
es (
%)
Conversión (%)30 35 40 45 50 55 60
1
2
3
4 M22-50
ITQ2-50
M36-50
Co
qu
e (%
)
Conversión (%)
Cracking of Gasoil
Nanomaterials
LABPEMOL- Laboratório de Peneiras MolecularesSibele Pergher
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Projects in developmentSynthesis, characterization and application of magnetic
nanostructures and of noble metals - Luiz Henrique da S. Gasparotto
Synthesis and characterization of nanocomposites based on zeolites and ceramic membranes for its use in catalysis - Sibele B. C. Pergher
Synthesis of Nanoparticles by Sputtering Deposition in Lubricants - Salete Martins Alves
Extraction and separation of rare earth minerals of Brazil and its application in development of metamaterials to high performance permanent magnets - Jose Humberto de Araujo
Physical properties of nanostructured materials - Luiz Felipe Cavalcanti Pereira
Nanomaterials
23
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Projects in developmentSynthesis and characterization of nanostructured mixed
tantalum and niobium carbide from columbite, doped with cobalt - Carlson Pereira De Souza
Obtain a new smart and functional textile material for synthesis, study and application of photosensitive nanocapsules - Jose Heriberto O. do Nascimento
Nanostructured multifunctional materials: development of routes for production of Ferromagneto/AlN multilayers - Marcio Assolin Correa
Capture of CO2 to Produce Glycerine Carbonate - Carlos Alberto Paskocimas
Cellulosic Fibers Nanocrystals and Biocomposites - Clovis de Medeiros Bezerra
Nanomaterials
24
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NATAL
Thank you