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Search for "Fourier transform infrared spectroscopy (FTIR)" in Full Text gives 82 result(s) in Beilstein Journal of Nanotechnology.

Cardiomyocyte uptake mechanism of a hydroxyapatite nanoparticle mediated gene delivery system

  • Hiroaki Komuro,
  • Masahiro Yamazoe,
  • Kosuke Nozaki,
  • Akiko Nagai and
  • Tetsuo Sasano

Beilstein J. Nanotechnol. 2020, 11, 1685–1692, doi:10.3762/bjnano.11.150

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  • HAp nanoparticles were prepared using the water-in-oil (W/O) emulsion method. The characterization of the prepared HAp nanoparticles was carried out using transmission electron microscopy (TEM), X-ray diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR). TEM provided insight into the
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Published 05 Nov 2020

Ultrasensitive detection of cadmium ions using a microcantilever-based piezoresistive sensor for groundwater

  • Dinesh Rotake,
  • Anand Darji and
  • Nitin Kale

Beilstein J. Nanotechnol. 2020, 11, 1242–1253, doi:10.3762/bjnano.11.108

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  • 0.56 ng Cd(II) is 877.72 Ω. Characterization using Fourier-transform infrared spectroscopy (FTIR) FTIR is a mature technique for elemental analysis and the identification of functional groups. The FTIR results show –OH stretching in the range of 2900–3750 cm−1 and N–H bending (1350–1750 cm−1) [48][49
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Published 18 Aug 2020

Gram-scale synthesis of splat-shaped Ag–TiO2 nanocomposites for enhanced antimicrobial properties

  • Mohammad Jaber,
  • Asim Mushtaq,
  • Kebiao Zhang,
  • Jindan Wu,
  • Dandan Luo,
  • Zihan Yi,
  • M. Zubair Iqbal and
  • Xiangdong Kong

Beilstein J. Nanotechnol. 2020, 11, 1119–1125, doi:10.3762/bjnano.11.96

Graphical Abstract
  • Rigaku D/Max 2500 powder diffractometer with Cu Kα radiation (λ = 1.5406 Å). Scanning electron microscopy (SEM, JSM5610LV, JEOL, Japan) was used to observed the morphology of the Ag–TiO2 NPs. The sample components were examined by energy-dispersive X-ray spectroscopy. Fourier-transform infrared
  • spectroscopy (FTIR, Nicolet IS50) was used to measure the infrared spectra. To detect the absorption profile of the prepared samples, the UV–vis spectroscopy technique was used. In vitro cytotoxicity The Cell Counting Kit-8 (CCK-8) was purchased from Beyotime Biotechnology (Shanghai, China). Human colon
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Published 29 Jul 2020

Uniform Fe3O4/Gd2O3-DHCA nanocubes for dual-mode magnetic resonance imaging

  • Miao Qin,
  • Yueyou Peng,
  • Mengjie Xu,
  • Hui Yan,
  • Yizhu Cheng,
  • Xiumei Zhang,
  • Di Huang,
  • Weiyi Chen and
  • Yanfeng Meng

Beilstein J. Nanotechnol. 2020, 11, 1000–1009, doi:10.3762/bjnano.11.84

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  • (Figure 2i). Fourier-transform infrared spectroscopy (FTIR) was conducted to verify the nanocube surface modifiers before and after DHCA exchange. By comparing the FTIR spectra of FGOA and FGDA nanocubes (Figure 2i), it is possible to conclude that the two samples display distinct characteristic
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Published 08 Jul 2020

Preparation, characterization and photocatalytic performance of heterostructured CuO–ZnO-loaded composite nanofiber membranes

  • Wei Fang,
  • Liang Yu and
  • Lan Xu

Beilstein J. Nanotechnol. 2020, 11, 631–650, doi:10.3762/bjnano.11.50

Graphical Abstract
  • -transform infrared spectroscopy (FTIR, Nicolet5700, Thermo Nicolet Company, Waltham, MA, USA), carrying out 32 scans within the wavenumber range of 400–4000 cm−1 with a resolution of 4 cm−1. X-ray diffraction (XRD) analyses were carried out using a Philips X’Pert-Pro MPD (PANalytical, Almelo & Eindhoven
  • sample regions evaluated with SEM. The pore size distributions of CNFMs were measured using capillary flow porometry (Porometer 3G, Quantachrome Instruments, USA). All samples were circular membranes with a diameter of 25 mm and the thickness of 10 μm. FTIR spectra of CNFMs were obtained using Fourier
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Published 15 Apr 2020

Soybean-derived blue photoluminescent carbon dots

  • Shanshan Wang,
  • Wei Sun,
  • Dong-sheng Yang and
  • Fuqian Yang

Beilstein J. Nanotechnol. 2020, 11, 606–619, doi:10.3762/bjnano.11.48

Graphical Abstract
  • –visible spectrophotometer (Thermal Scientific Evolution 201). The Fourier-transform infrared spectroscopy (FTIR) analysis of the prepared carbon nanoparticles was conducted on a Fourier transform infrared instrument (Nicolet iS50) in the wavenumber range of 400 to 4000 cm−1 at a resolution of 4 cm−1
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Published 09 Apr 2020

Electrochemically derived functionalized graphene for bulk production of hydrogen peroxide

  • Munaiah Yeddala,
  • Pallavi Thakur,
  • Anugraha A and
  • Tharangattu N. Narayanan

Beilstein J. Nanotechnol. 2020, 11, 432–442, doi:10.3762/bjnano.11.34

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  • EEG samples. This correlates with the Fourier-transform infrared spectroscopy (FTIR) based analysis (Figure S1b), which also shows the presence of covalent C–F functional groups in all the samples. The samples also contain fluorine as one of the dopants with a content varying from 2.3 to 3.9 atom
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Published 09 Mar 2020

Poly(1-vinylimidazole) polyplexes as novel therapeutic gene carriers for lung cancer therapy

  • Gayathri Kandasamy,
  • Elena N. Danilovtseva,
  • Vadim V. Annenkov and
  • Uma Maheswari Krishnan

Beilstein J. Nanotechnol. 2020, 11, 354–369, doi:10.3762/bjnano.11.26

Graphical Abstract
  • reference. Fourier-transform infrared spectroscopy (FTIR): The FTIR spectra of the free siRNA, blank polymer nanoparticles and the polyplex were recorded between 4000 and 400 cm−1 averaging 10 scans per run in attenuated total reflection mode (ATR) using a Fourier-transform infrared spectrometer (Spectrum
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Published 17 Feb 2020

Facile biogenic fabrication of hydroxyapatite nanorods using cuttlefish bone and their bactericidal and biocompatibility study

  • Satheeshkumar Balu,
  • Manisha Vidyavathy Sundaradoss,
  • Swetha Andra and
  • Jaison Jeevanandam

Beilstein J. Nanotechnol. 2020, 11, 285–295, doi:10.3762/bjnano.11.21

Graphical Abstract
  • ) nanorods using cuttlefish bone powder as a precursor (CB-Hap NRs). The obtained CB-Hap NRs were investigated using transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and thermogravimetric analysis (TGA) techniques to evaluate their
  • setup via an oil bath approach to synthesize Hap nanorods from cuttlefish bone powders and optimize their synthesis parameters. The systematic characterization using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and transmission electron microscopy (TEM) was performed to
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Published 04 Feb 2020

pH-Controlled fluorescence switching in water-dispersed polymer brushes grafted to modified boron nitride nanotubes for cellular imaging

  • Saban Kalay,
  • Yurij Stetsyshyn,
  • Volodymyr Donchak,
  • Khrystyna Harhay,
  • Ostap Lishchynskyi,
  • Halyna Ohar,
  • Yuriy Panchenko,
  • Stanislav Voronov and
  • Mustafa Çulha

Beilstein J. Nanotechnol. 2019, 10, 2428–2439, doi:10.3762/bjnano.10.233

Graphical Abstract
  • thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS), ultraviolet–visible spectrophotometry (UV–vis), laser scanning confocal microscopy (LSCM) and scanning electron microscopy (SEM). The DLS results demonstrated that P(AA-co-FA)-functionalized BNNTs
  • heated from 30.00 to 600.00 °C at 10 °C/min. Fourier transform infrared spectroscopy (FTIR) FTIR spectra were recorded on a NICOLET iS50 FTIR spectrometer (Thermo Scientific, USA), equipped with a iS50 ATR multirange, diamond sampling station. The sample powders were either placed on diamond crystal or
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Published 10 Dec 2019

Multiwalled carbon nanotube based aromatic volatile organic compound sensor: sensitivity enhancement through 1-hexadecanethiol functionalisation

  • Nadra Bohli,
  • Meryem Belkilani,
  • Juan Casanova-Chafer,
  • Eduard Llobet and
  • Adnane Abdelghani

Beilstein J. Nanotechnol. 2019, 10, 2364–2373, doi:10.3762/bjnano.10.227

Graphical Abstract
  • temperature toluene and benzene sensor based on multiwall carbon nanotubes (MWCNTs) decorated with gold nanoparticles and functionalised with a long-chain thiol self-assembled monolayer, 1-hexadecanethiol (HDT). High-resolution transmission electron microscopy (HRTEM) and Fourier transform infrared
  • spectroscopy (FTIR) were performed to characterize the gold nanoparticle decoration and to examine the thiol monolayer bonding to the MWCNTs. The detection of aromatic vapours using Au-MWCNT and HDT/Au-MWCNT sensors down to the ppm range shows that the presence of the self-assembled layer increases the
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Published 04 Dec 2019

Targeted therapeutic effect against the breast cancer cell line MCF-7 with a CuFe2O4/silica/cisplatin nanocomposite formulation

  • B. Rabindran Jermy,
  • Vijaya Ravinayagam,
  • Widyan A. Alamoudi,
  • Dana Almohazey,
  • Hatim Dafalla,
  • Lina Hussain Allehaibi,
  • Abdulhadi Baykal,
  • Muhammet S. Toprak and
  • Thirunavukkarasu Somanathan

Beilstein J. Nanotechnol. 2019, 10, 2217–2228, doi:10.3762/bjnano.10.214

Graphical Abstract
  • saline solution. The presence of cubic spinel CuFe2O4 on HYPS was confirmed through powder X-ray diffraction (PXRD), Fourier transform infrared spectroscopy (FTIR) and diffuse reflectance UV–vis spectroscopy (DR UV–vis) analysis. The HYPS particles showed a surface area of 170 m2/g, pore size of 8.3 nm
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Published 12 Nov 2019

Use of data processing for rapid detection of the prostate-specific antigen biomarker using immunomagnetic sandwich-type sensors

  • Camila A. Proença,
  • Tayane A. Freitas,
  • Thaísa A. Baldo,
  • Elsa M. Materón,
  • Flávio M. Shimizu,
  • Gabriella R. Ferreira,
  • Frederico L. F. Soares,
  • Ronaldo C. Faria and
  • Osvaldo N. Oliveira Jr.

Beilstein J. Nanotechnol. 2019, 10, 2171–2181, doi:10.3762/bjnano.10.210

Graphical Abstract
  • immunoassays for the detection of PSA. Supporting Information Supporting Information features detailed information on the synthesis of magnetic iron oxide nanoparticles, electrode fabrication, and sample preparation. Also, the characterization of MNPs and electrode surfaces by using Fourier-transform infrared
  • spectroscopy (FTIR), field-emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), and polarization-modulated infrared reflection absorption spectroscopy (PM-IRRAS, Figure S1) is described. The Silhouette coefficients calculated for IDMAP, Sammon’s mapping (SM), principal
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Published 06 Nov 2019

Optimization and performance of nitrogen-doped carbon dots as a color conversion layer for white-LED applications

  • Tugrul Guner,
  • Hurriyet Yuce,
  • Didem Tascioglu,
  • Eren Simsek,
  • Umut Savaci,
  • Aziz Genc,
  • Servet Turan and
  • Mustafa M. Demir

Beilstein J. Nanotechnol. 2019, 10, 2004–2013, doi:10.3762/bjnano.10.197

Graphical Abstract
  • -Alpha XPS spectrometer. Fourier-transform infrared spectroscopy (FTIR; Spectrum 100, PerkinElmer, Shelton, CT, USA) was used to characterize the kinetic behavior of the chemical bonds. Photoluminescence (PL) and absorbance were measured using an integrating sphere (ISP-50-80-R, Ocean Optics Inc
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Published 15 Oct 2019

High-tolerance crystalline hydrogels formed from self-assembling cyclic dipeptide

  • Yongcai You,
  • Ruirui Xing,
  • Qianli Zou,
  • Feng Shi and
  • Xuehai Yan

Beilstein J. Nanotechnol. 2019, 10, 1894–1901, doi:10.3762/bjnano.10.184

Graphical Abstract
  • ) (Figure 1A). The hydrogen bonding interactions between the C-WY molecules were investigated by Fourier-transform infrared spectroscopy (FTIR). Compared with the peak of amide N–H stretching located at 3344 cm−1 of the unimolecular C-WY, the hydrogel has a red-shifted amide N–H stretching band located at
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Published 18 Sep 2019

TiO2/GO-coated functional separator to suppress polysulfide migration in lithium–sulfur batteries

  • Ning Liu,
  • Lu Wang,
  • Taizhe Tan,
  • Yan Zhao and
  • Yongguang Zhang

Beilstein J. Nanotechnol. 2019, 10, 1726–1736, doi:10.3762/bjnano.10.168

Graphical Abstract
  • after 12 hours. Hence, the TiO2/GO-coated separator effectively adsorbed and blocked the transportation of Li2S6. Raman and Fourier-transform infrared spectroscopy (FTIR) analysis was carried out to understand the interaction between TiO2/GO and polysulfides (Figure 10). The TiO2/GO composite was
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Published 19 Aug 2019

Novel hollow titanium dioxide nanospheres with antimicrobial activity against resistant bacteria

  • Carol López de Dicastillo,
  • Cristian Patiño,
  • María José Galotto,
  • Yesseny Vásquez-Martínez,
  • Claudia Torrent,
  • Daniela Alburquenque,
  • Alejandro Pereira and
  • Juan Escrig

Beilstein J. Nanotechnol. 2019, 10, 1716–1725, doi:10.3762/bjnano.10.167

Graphical Abstract
  • chemical composition was also performed by Fourier-transform infrared spectroscopy (FTIR) in order to study the main functional groups of the sample (data found in Supporting Information File 1). Thermogravimetric analysis (TGA) curves representing the mass loss with respect to temperature of SPVP, coated
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Published 19 Aug 2019

High-temperature resistive gas sensors based on ZnO/SiC nanocomposites

  • Vadim B. Platonov,
  • Marina N. Rumyantseva,
  • Alexander S. Frolov,
  • Alexey D. Yapryntsev and
  • Alexander M. Gaskov

Beilstein J. Nanotechnol. 2019, 10, 1537–1547, doi:10.3762/bjnano.10.151

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  • the components in a single homogeneous paste with subsequent thermal annealing. The composition and microstructure of the materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy
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Published 26 Jul 2019

Tailoring the stability/aggregation of one-dimensional TiO2(B)/titanate nanowires using surfactants

  • Atiđa Selmani,
  • Johannes Lützenkirchen,
  • Kristina Kučanda,
  • Dario Dabić,
  • Engelbert Redel,
  • Ida Delač Marion,
  • Damir Kralj,
  • Darija Domazet Jurašin and
  • Maja Dutour Sikirić

Beilstein J. Nanotechnol. 2019, 10, 1024–1037, doi:10.3762/bjnano.10.103

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  • mixed phase, TiO2(B) and trititanate layered TNW structure was confirmed by powder X-ray diffraction (PXRD) as well as Fourier-transform infrared spectroscopy (FTIR) and Raman spectroscopy. The details can be found in Supporting Information File 1. High-resolution scanning electron microscopy (HR-SEM
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Published 13 May 2019

Synthesis of novel C-doped g-C3N4 nanosheets coupled with CdIn2S4 for enhanced photocatalytic hydrogen evolution

  • Jingshuai Chen,
  • Chang-Jie Mao,
  • Helin Niu and
  • Ji-Ming Song

Beilstein J. Nanotechnol. 2019, 10, 912–921, doi:10.3762/bjnano.10.92

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  • , CISCCN5 and CISCCN10, respectively. Pure CdIn2S4 (CIS) was also synthesized by the same hydrothermal method but without adding CCN. Characterization The as-prepared products were characterized by transmission electron microscopy (TEM) (JEM-2100, JEOL, Japan), Fourier-transform infrared spectroscopy (FTIR
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Published 18 Apr 2019

The systemic effect of PEG-nGO-induced oxidative stress in vivo in a rodent model

  • Qura Tul Ain,
  • Samina Hyder Haq,
  • Abeer Alshammari,
  • Moudhi Abdullah Al-Mutlaq and
  • Muhammad Naeem Anjum

Beilstein J. Nanotechnol. 2019, 10, 901–911, doi:10.3762/bjnano.10.91

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  • polyethylene glycol (PEG). PEGylation of nGO was confirmed by Fourier-transform infrared spectroscopy (FTIR), UV spectroscopy and TEM. The average size distribution of nGO and PEG-nGO was determined by using dynamic light scattering (DLS). Subsequently, an in vivo study measuring a marker for oxidative stress
  • ° according to a d-spacing of 2.13 Å, confirming the successful GO synthesis [42]. Fourier-transform infrared spectroscopy The surface functional groups of nGO and PEG-nGO were investigated by Fourier-transform infrared spectroscopy (FTIR). The infrared spectra of nGO and PEG-nGO were processed using Origin
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Published 18 Apr 2019

Rapid, ultraviolet-induced, reversibly switchable wettability of superhydrophobic/superhydrophilic surfaces

  • Yunlu Pan,
  • Wenting Kong,
  • Bharat Bhushan and
  • Xuezeng Zhao

Beilstein J. Nanotechnol. 2019, 10, 866–873, doi:10.3762/bjnano.10.87

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  • MERLIN Compact SEM, operated at a 20 kV acceleration voltage, Carl Zeiss Jena, Germany), and the surface roughness was measured with a laser confocal microscope (LCM, OLS5000, Olympus, Japan). The chemical modification and the end group changes on the surfaces was studied by Fourier transform infrared
  • spectroscopy (FTIR, Nicolet iS50, Thermo Scientific, USA). The contact angles were measured at room temperature with an optical contact angle meter (DropMeterTM Element A-60, Maist, Ningbo, China), where the static CAs of the droplets (6 µL) placed onto the surfaces were measured five times at different
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Published 15 Apr 2019

Outstanding chain-extension effect and high UV resistance of polybutylene succinate containing amino-acid-modified layered double hydroxides

  • Adam A. Marek,
  • Vincent Verney,
  • Christine Taviot-Gueho,
  • Grazia Totaro,
  • Laura Sisti,
  • Annamaria Celli and
  • Fabrice Leroux

Beilstein J. Nanotechnol. 2019, 10, 684–695, doi:10.3762/bjnano.10.68

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  • medium wavelength range of the ultraviolet C (UVC) and ultraviolet B (UVB) regions. In the present work, Mg2Al LDH materials were first organo-modified with histidine and phenylalanine using a co-precipitation method and then characterized by X-ray diffraction (XRD), Fourier transform infrared
  • spectroscopy (FTIR) and thermogravimetric analysis (TGA). As expected, the UV–vis spectra showed absorbance in the UVC and UVB regions and the potential role as UV stabilizers. In a second part, PBS composites were prepared with 5 wt % of LDH filler by melt blending and once again fully characterized (XRD, TGA
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Published 12 Mar 2019

Ultrathin hydrophobic films based on the metal organic framework UiO-66-COOH(Zr)

  • Miguel A. Andrés,
  • Clemence Sicard,
  • Christian Serre,
  • Olivier Roubeau and
  • Ignacio Gascón

Beilstein J. Nanotechnol. 2019, 10, 654–665, doi:10.3762/bjnano.10.65

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  • OPD/MOF ultrathin films have been fabricated onto glass, calcium fluoride, quartz crystal microbalance (QCM), Si(100) substrates and mica and characterized using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), atomic force microscopy (AFM
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Published 06 Mar 2019

Removal of toxic heavy metals from river water samples using a porous silica surface modified with a new β-ketoenolic host

  • Said Tighadouini,
  • Smaail Radi,
  • Abderrahman Elidrissi,
  • Khadija Haboubi,
  • Maryse Bacquet,
  • Stéphanie Degoutin,
  • Mustapha Zaghrioui and
  • Yann Garcia

Beilstein J. Nanotechnol. 2019, 10, 262–273, doi:10.3762/bjnano.10.25

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  • characterized by elemental analysis, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) images, thermogravimetric analysis (TGA) and nitrogen adsorption–desorption isotherms. Physical methods. Atomic adsorption measurements were performed on a Varian A.A. 400 spectrophotometer
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Published 23 Jan 2019
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