Advanced search
Start date
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Modification of Bacterial Cellulose Membrane with 1,4-Bis(triethoxysilyl)benzene: A Thorough Physical-Chemical Characterization Study

Full text
Monteiro, Andreia S. [1] ; de Oliveira, Marcos [2] ; Santagneli, Silvia [1] ; Carcel, Carole [3] ; Gutmann, Torsten [4] ; Buntkowsky, Gerd [4] ; Man, Michel Wong Chi [3] ; Barud, Hernane S. [5] ; Ribeiro, Sidney J. L. [1]
Total Authors: 9
[1] Sao Paulo State Univ UNESP, Inst Chem, BR-14800060 Araraquara, SP - Brazil
[2] Univ Sao Paulo, Sao Carlos Inst Phys, BR-13560970 Sao Carlos, SP - Brazil
[3] Univ Montpellier, ENSCM, CNRS, ICGM, Montpellier - France
[4] Tech Univ Darmstadt, Inst Phys Chem, D-64287 Darmstadt - Germany
[5] Univ Araraquara UNIARA, BR-14801320 Araraquara, SP - Brazil
Total Affiliations: 5
Document type: Journal article
Source: Journal of Physical Chemistry C; v. 125, n. 8, SI, p. 4498-4508, MAR 4 2021.
Web of Science Citations: 0

Bacterial cellulose (BC) combined with organo-bridged porous silica nanoparticles offers potential opportunities to develop smart hybrid materials such as advanced drug delivery nanosystems. This work reports the preparation of bacterial cellulose membrane (BCM) and their modification by in situ methodology with the organo-bridged precursor 1,4-bis(triethoxysilyl)benzene (BTEB). BTEB was successfully incorporated into the BCM, and spherical hybrid silica nanoparticles with heterogeneous particle size (30-100 nm) and probably porous structure were formed and characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared-attenuated total reflectance (FTIR-ATR), thermogravimetric analysis (TGA), and solid state nuclear magnetic resonance (NMR). We further combined solid-state NMR with dynamic nuclear polarization (DNP) to achieve sensitivity enhancement and to selectively enhance the NMR signal of the hydrophobic BTEB moieties on the BCM surface. This allowed us to get more detailed structural information about the BTEB-BCM multicomponent material. (AU)

FAPESP's process: 18/25512-8 - Biocelulose-based Cell Culture Platform
Grantee:Hernane da Silva Barud
Support type: Regular Research Grants
FAPESP's process: 17/21005-1 - Cellulose Membrane with Functional Properties
Grantee:Andreia Sofia de Sousa Monteiro
Support type: Scholarships abroad - Research Internship - Doctorate
FAPESP's process: 13/07793-6 - CEPIV - Center for Teaching, Research and Innovation in Glass
Grantee:Edgar Dutra Zanotto
Support type: Research Grants - Research, Innovation and Dissemination Centers - RIDC
FAPESP's process: 15/12908-2 - Development of colored silica nanoparticles of natural base, and its application in textile substrates
Grantee:Andreia Sofia de Sousa Monteiro
Support type: Scholarships in Brazil - Doctorate