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0 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsUltraviolet luminescence and creation of (WO 4 ) 3--type centers under UV irradiation of PbWO 4 crystals doped with trivalent rare-earth ions
A Krasnikov
T Kärner
V Kiisk
V V Lag... |
1 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsUltraviolet luminescence and creation of (WO 4 ) 3--type centers under UV irradiation of PbWO 4 crystals doped with trivalent rare-earth ions
10.1088/1742-6596/249/1/012001
Luminescen... |
2 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsSingle crystals of lead tungstate (PbWO 4 ) are well known as a fast and heavy scintillation material for high-energy physics experiments. Radiative and non-radiative decay of various... |
3 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ions3+ , Y 3+ , Ce 3+ , Gd 3+ , Eu 3+ ) under their selective irradiation in the 3.4-5.0 eV energy range at 5-80 K. |
4 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsExperimental procedure
Single crystals of PbWO 4 :A 3+ were grown in Japan by Furukawa Co. Ltd from 4N purity raw material, using the Czochralski method in air with a Pt crucible and... |
5 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsOptically created centers were detected by the thermally stimulated luminescence (TSL) and electron spin resonance (ESR) methods. The TSL glow curves were measured with a heating rate... |
6 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsIn the excitation spectrum of the UV emission, the exciton band located at about 4.1 eV and a complex band located in the 3.50-3.95 eV range are observed (figure 1b). The 4.1 eV band ... |
7 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsThe TSL peaks at about 50 K and 95-110 K were ascribed to the thermal destruction of (WO 4 ) 3and (WO 4 ) 3--A 3+ centers, respectively. The TSL intensity in the UV-irradiated crystal... |
8 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsElectron spin resonance studies
The ESR spectra of (WO 4 ) 3and (WO 4 ) 3--La 3+ centers in PbWO 4 crystals were studied in [16,17] and [5,13], respectively. The ESR characteristics ... |
9 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsDiscussion
The data obtained in [5,17,18] and in the present paper indicate that electron (WO 4 ) 3and (WO 4 ) 3--A 3+ centers in PbWO 4 crystals can be created by the photons of ene... |
10 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsWe assume that the effects observed are due to the radiative and non-radiative decay of an excited state of some defect-related center. Under excitation around 3.8 eV, not only the ra... |
11 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsConclusions
The ESR and TSL studies of PbWO 4 :A 3+ crystals (A 3+ : La 3+ , Lu 3+ , Y 3+ , Ce 3+ , Gd 3+ , Eu 3+ ) irradiated in the 3.4-5.0 eV energy range at 5-80 K indicate that ... |
12 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsFigure 1 . |
13 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ions1(a) Corrected and normalized emission spectra of the PbWO 4 :135 ppm Y 3+ crystal measured at 80 K under excitation at 4.5 eV (solid line: the B band) and 3.85 eV (dashed line: the U... |
14 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsFigure 2 .
2Luminescence decay kinetics in the PbWO 4 :Y 3+ crystal measured at 80 K for the (a) 3.15 eV; (b) 3.0 eV (curve 1) and 2.35 eV (curve 2) emission bands. In the insets: (a)... |
15 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ionsInsulating Materials IOP Publishing Journal of Physics: Conference Series 249 (2010) 012001 doi:10.1088/1742-6596/249/1/012001
AcknowledgementsThis work was partly supported by the Es... |
16 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ions. V V Laguta, M Martini, A Vedda, M Nikl, E Mihokova, P Bohacek, J Rosa, A Hofstaetter, B K Meyer, Y Usuki, Phys. Rev. B. 64165102Laguta V V, Martini M, Vedda A, Nikl M, Mihokova E, B... |
17 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ions. M Martini, F Meinardi, G Spinolo, A Vedda, M Nikl, Y Usuki, Phys. Rev. B. 604653Martini M, Meinardi F, Spinolo G, Vedda A, Nikl M and Usuki Y 1999 Phys. Rev. B 60 4653
M Böhm, Proc... |
18 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ions. 10.1088/1742-6596/249/1/012001International Conference on Defects in Insulating Materials IOP Publishing Journal of Physics: Conference Series. 24912001International Conference on D... |
19 | Ultraviolet luminescence and creation of (WO4)3−-type centers under UV irradiation of PbWO4 crystals doped with trivalent rare-earth ions. J M Moreau, Galez Ph, R E Gladyshevski, J Peigneux, M V Korzhik, J. Allows and Comp. 284104Moreau J M, Galez Ph, Gladyshevski R E, Peigneux J P and Korzhik M V 1999 J. Allows and Co... |
20 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsNovel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ions
Published: 10 April 2017
Fang-Cheng Liang
Institute of Orga... |
21 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsNovel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ions
Published: 10 April 201710.3390/polym9040136Received: 27 Febr... |
22 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsNovel multifunctional switchable chemosensors based on fluorescent electrospun (ES) nanofibers with sensitivity toward magnetism, temperature, and mercury ions (Hg 2+ ) were prepared using bl... |
23 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ions, and Cu 2+ because of their many excellent optical properties such as high quantum yields and high photo stability[5][6][7][8][9][10][11]. A new fluorescent chemodosimeter, namely a 1,8-naph... |
24 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsRecently, various fluorescent sensor-based ES polymer nanofibers for sensing pH or different metal ions such as Hg 2+ , Fe 3+ , Zn 2+ , and Cu 2+ were successfully prepared by our research gr... |
25 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionsfluorescent BNPTU, and Fe 3 O 4 NPs and a single-capillary spinneret. The nanofibers, which can sense Hg 2+ , temperature, and magnetism simultaneously, were prepared by combining synthesis a... |
26 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsIntroduction
In recent years, identifying the presence and concentration of heavy metal ions has received gradually increasing levels of attention because of emerging environmental and human... |
27 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsPolymers 2017, 9,136 3 of 21 poly(NIPAAm-co-NMA-co-AA) blended with BNPTU (10%) and Fe3O4 NPs (5%). The nanofibers were then post-treated through chemical cross-linking to enhance their stabi... |
28 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsN-Isopropylacrylamide (NIPAAm) and N-methylolacrylamide (NMA) were provided by Tokyo Chemical Industry Co. Japan. NIPAAm was re-crystallized three times from hexane-toluene (10/1, v/v) prior ... |
29 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ions, Zn 2+ , Cd 2+ , Ni 2+ ) were purchased from Sigma-Aldrich (Saint Louis, MO, USA). |
30 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSynthesis of 4-Bromo-N-allyl-1,8-naphthalimide
Fluorescent BNPTU was prepared according to a previously reported method [8]. The process of its synthesis is illustrated in Figure 1. A 50-mL ... |
31 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsN-Isopropylacrylamide (NIPAAm) and N-methylolacrylamide (NMA) were provided by Tokyo Chemical Industry Co. Japan. NIPAAm was re-crystallized three times from hexane-toluene (10/1, v/v) prior ... |
32 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ions, Cd 2+ , Ni 2+ ) were purchased from Sigma-Aldrich (Saint Louis, MO, USA). |
33 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSynthesis of 4-Bromo-N-allyl-1,8-naphthalimide
Fluorescent BNPTU was prepared according to a previously reported method [8]. The process of its synthesis is illustrated in Figure 1. A 50-mL ... |
34 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsA 25-mL round-bottomed flask was charged with NP-Br (500 mg, 1.57 mmol) and an excess of 1,2-ethylenediamine (8 mL). The reaction mixture was stirred at reflux for 6 h. The residues were diss... |
35 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSynthesis of 4-(Aminoethylene)amino-N-allyl-1,8-naphthalimide
A 25-mL round-bottomed flask was charged with NP-Br (500 mg, 1.57 mmol) and an excess of 1,2-ethylenediamine (8 mL). The reactio... |
36 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSynthesis of 1-Benzoyl
-3-[2-(2-allyl-1,3-dioxo-2,3-dihydro-1Hbenzo[de]isoquinolin-6-ylamino)-ethyl]- thiourea (BNPTU) |
37 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsA 25-mL round-bottomed flask was charged with NP-NH 2 (400 mg, 1.36 mmol), benzoyl isothiocyanate (0.22 g, 1.36 mmol), and 12 mL of acetone. The reaction mixture was stirred at reflux for 1 h... |
38 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSynthesis of Magnetic Iron Oxide (Fe 3 O 4 ) Nanoparticles (NPs)
Magnetic nanoparticles, Fe 3 O 4 , were prepared by a coprecipitation method as reported [27]. A 100-mL round-bottomed flask ... |
39 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsA reaction mixture of 1.131 g (9.99 mmol) of NIPAAm, 505 mg (4.99 mmol) of NMA, 5 mg (0.03 mmol) of AIBN, and 7.5 mL of EtOH was used to produce an orange solid (yield: 86%). Figure 4 and Tab... |
40 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsAs shown in Figure 2b, the ES nanofibers were prepared using a single-capillary spinneret in a procedure similar to that described in our previous papers [19][20][21][22][23][24][25][26]. The... |
41 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSynthesis of Poly(NIPAAm-co-NMA-co-AA) Random Copolymers (P2)
A reaction mixture of 1.131 g (9.99 mmol) of NIPAAm, 505 mg (4.99 mmol) of NMA, 0.204 mL (0.0029 mmol) of AA, 5 mg (0.03 mmol) o... |
42 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsPreparation of Electrospun (ES) Nanofibers
As shown in Figure 2b, the ES nanofibers were prepared using a single-capillary spinneret in a procedure similar to that described in our previous ... |
43 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsCharacterization
1 H-NMR data were recorded at room temperature using an AM 300 (300 MHz) spectrometer (Bruker, Billerica, MA, USA) and the residual proton resonance of deuterated chloroform... |
44 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsThe morphologies of ES nanofibers were characterized using an S-520 scanning electron microscope (Hitachi, Tokyo, Japan) equipped with X-ray microanalysis capability. Samples were coated with... |
45 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsThe chemical structure of BNPTU was characterized using 1 H-NMR ( Figure 3). The synthesis routes of BNPTU ( Figure 1) are similar to those reported in a previous study [8]. Figure 2a shows t... |
46 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure S1 shows that the accurate PDI (M n /M w ) data of P1 were 26,856/53,980 equal to 2.01 and that of P2 was 18,041/31,752 equal to 1.76. The thermal decompositon curves of the prepared p... |
47 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionswere added, suggesting that BNPTU exhibited high selectivity and sensitivity toward Hg 2+ . polymers are presented in Figure S2 (Supplementary Materials). The identical thermal decomposition ... |
48 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionsusing P1 and P2 at a solution concentration of 250 mg mL −1 with MeOH. When dry, the P1 and P2 ES nanofibers had average diameters of 416 ± 31 and 437 ± 42 nm, respectively. The recorded aver... |
49 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionsto 1.0 µm as the temperature increased from 30 to 60 • C, due to the temperature of which was above the LCST resulting in the hydrophobic NIPAAm chain. |
50 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsMorphology and Characterization of ES Nanofibers
Morphology and Characterization of ES Nanofibers |
51 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsPolymers 2017, 9,136 10 of 21 a statistical average of 50 fibers from each sample. Moreover, all of the ES nanofibers from pure MeOH solvent were smooth and nonporous. The diameters of the P1... |
52 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure 7c shows that the Fe3O4 NPs precipitated out of the solution and dropped to the bottom because of higher density (left image) and then accumulated on the side of the bottle because of ... |
53 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionsand PAA, and the oxdiation of the Fe3O4 NPs. Weight loss initially occurred below 300 °C, and originated from either the decomposition of noncoordinated carboxyls or the evaporation of trace ... |
54 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionsthe decomposition of noncoordinated carboxyls or the evaporation of trace water. Weight loss that occurred between 300 and 450 • C was caused by the cleaving of PNIPAM chains [31]. Finally, t... |
55 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsHg 2+ Sensing, Thermoresponsiveness, and Magnetic Properties of ES Nanofibers
P1 or P2 blended with 10% BNPTU and 5% Fe 3 O 4 NP ES nanofibers, which can sense metal ions because of the abil... |
56 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsP1 or P2 blended with 10% BNPTU and 5% Fe3O4 NP ES nanofibers, which can sense metal ions because of the ability of PAA and BNPTU to adsorb Hg 2+ , was systematically explored [8,33]. Figure ... |
57 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ions(blank) to 10 −4 , 10 −3 , and 10 −2 M resulted in clear blueshifts in the λ PL max from 530 to 500, 450, and 450 nm, respectively. Furthermore, when the mercury ion concentration was at the ... |
58 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionsmax was blueshifted substantially from 530 nm (blank, green emission) to 450 nm (blue emission) in the emission spectra. When the temperature was increased from 30 to 45 °C, only a mild decre... |
59 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionsthe emission maximum shift ∆λ max was observed to be as high as 80 nm, resulting in a color change easily observable by the naked eye. Moreover, the lowest detectable Hg 2+ concentration for ... |
60 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ions) was observed, exhibiting almost no change, as shown in the enlarged inset image. However, when the temperature was increased from 45 to 50 • C, a dramatic quenching of the PL intensity of t... |
61 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsThe aforementioned thermoreversible luminescence characteristics are explained as follows. As shown in Figure 6, compared with those in the dry state, the ES fibers soaked in water (wet state... |
62 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsThe selectivity of P2-5% ES nanofibers toward Hg 2+ over other common metal ions was also studied ( Figure 10). Figure 10a shows that among all tested metal ions, namely Hg 2+ , Pb 2+ , Co 2+... |
63 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionschemically cross-linked NMA segment. When the temperature was raised to 60 °C (above the LCST), the intermolecular hydrogen bonds between the PNIPAM and water were broken, leading to the rele... |
64 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsThe selectivity of P2-5% ES nanofibers toward Hg 2+ over other common metal ions was also studied ( Figure 10). Figure 10a shows that among all tested metal ions, namely Hg 2+ , Pb 2+ , Co 2+... |
65 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsHg 2+ was varied from 0 to 10 −2 M because of the detection of BNPTU by Hg 2+ , resulting in a color change from green to blue in the P2-5% ES nanofibers. Furthermore, as shown in the confoca... |
66 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsES nanofibers in 0-10 −2 M Hg 2+ aqueous solutions. All of the inset figures show corresponding photographs captured under UV light. The CIE coordinates show a strong blueshift from (0.24, 0.... |
67 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionsby the high surfaceto-volume ratio of the P2-5% ES nanofibers. The sensory filter membrane based on the P2-5% ES nanofibers specifically absorbed Hg 2+ in an aqueous solution that contained a... |
68 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ionswhich were determined using a vibrating sample magnetometer in the field range of ±20,000 Oe at 300 K. The results indicate that the P2-5% ES nanofibers exhibited magnetic properties, and the... |
69 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsConclusions
Novel magnetic fluorescent switchable chemosensors for the simultaneous detection of temperature, magnetism, and Hg 2+ based on fluorescent ES nanofibers were prepared using blen... |
70 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsConclusions
Novel magnetic fluorescent switchable chemosensors for the simultaneous detection of temperature, magnetism, and Hg 2+ based on fluorescent ES nanofibers were prepared using blen... |
71 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSupplementary Materials: The following are available online at www.mdpi.com/2073-4360/9/4/136/s1. Figure S1: GPC profiles of P1 and P2 copolymers. Figure S2: TGA curves of P1 and P2 copolymer... |
72 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure 2 .
2Design of multifunctional sensory electro spun (ES) nanofibers synthesized from poly(NIPAAm-co-NMA-co-AA), BNPTU, and Fe3O4 blends with magnetic fluorescence emission. (a) Polymer... |
73 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsH-NMR (300 MHz, CDCl3, TMS, Figure 3a): δ = 5.33 (a, 2H, -CH2CHCH2-); δ = 5.91 (b, 1H, -CH2CHCH2-); δ = 4.58 (c, 2H, -CH2CHCH2-); δ = 8.56 (d, 1H, 7-CH); δ = 8.03 (e, 1H, 3-CH); δ = 8.64 (f, ... |
74 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal Ions1 H-NMR (300 MHz, DMSO-d 6 , TMS, Figure 4): δ = 0.82-1.12 (a, 6H, -CH(CH 3 ) 2 ); 1.23-1.46 (h + i, 4H, -CH 2 CH-, -CH 2 CH-); 1.84-2.10 (h + i, 2H, -CH 2 CH-, -CH 2 CH-,); 5.34-5.53 (b, 1H,... |
75 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure 4 .
41 H-NMR spectrum of poly(NIPAAm-co-NMA-co-AA) in DMSO.
Figure 5 .
5UV-Vis spectra of (a) BNPTU in CH3CN solution (10 −5 M) and (b) variation of UV-Vis spectra of BNPTU CH3CN solu... |
76 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure 7a ,
7ab shows FE-SEM images and transmission electron microscopy images of the Fe 3 O 4 NPs, respectively. The diameters of the nanoparticles were monodispersed within the range 15-25... |
77 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure 8 .
8(a) SEM image of Fe3O4 NPs blended with nanofibers at a 5% weight ratio. (b) FE-SEM image of P2-5% cross-linked nanofibers in the presence of Fe 3+ . (c,d) Energy dispersive X-ray... |
78 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure 9 .
9(a) Photoluminescence (PL) spectra of P1 and P2 nanofibers blended with 10 wt % BNPTU. (b) Comparison of P2-5% nanofibers with different Hg 2+ concentrations between 10 −2 , 10 −3... |
79 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure 10 .
10(a) Variation in the normalized PL spectra of P2-5% ES nanofibers in aqueous solutions with various metal ions (10 −2 M) and no cation (blank). (b) Fluorometric responses (I 450... |
80 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsFigure 12 .
12(a) Hysteresis loops of P2-5% ES nanofibers (5 wt % Fe3O4 NPs) measured at 25 °C.
Figure 12 .
12(a) Hysteresis loops of P2-5% ES nanofibers (5 wt % Fe 3 O 4 NPs) measured at 25... |
81 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsPolymers 2017,9, 136
© 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attr... |
82 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsThe Role of Radical Reactions in Organomercurials Impact on Lipid Peroxidation. E R Milaeva, 10.1016/j.jinorgbio.2006.02.014J. Inorg. Biochem. 100PubMedMilaeva, E.R. The Role of Radical React... |
83 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsTracking of Mercury Ions in Living Cells with a Fluorescent Chemodosimeter under Single-or Two-Photon Excitation. Z J Lua, P N Wang, Y Zhang, J Y Chen, S Zhen, B Leng, H Tian, 10.1016/j.aca.2... |
84 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSynthesis of Some Polymerisable Fluorescent Dyes. Dyes Pigment. L G F Patrick, A Whiting, 10.1016/S0143-7208(02)00067-055Patrick, L.G.F.; Whiting, A. Synthesis of Some Polymerisable Fluoresce... |
85 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsMorphology and Photophysical Properties of Light-Emitting Electrospun Nanofibers Prepared from Poly(fluorene) Derivative/PMMA Blends. C C Kuo, C H Lin, W C Chen, 10.1021/ma071182lMacromolecul... |
86 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsMultifunctional Polyacrylonitrile-ZnO/Ag Electrospun Nanofiber Membranes with Various ZnO Morphologies for Photocatalytic, UV-shielding, and Antibacterial Applications. Y Y Chen, C C Kuo, B U... |
87 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsThermoresponsive Luminescent Electrospun Fibers Prepared From Poly(DMAEMA-co-SA-co-StFl) Multifunctional Random Copolymers. Y C Chiu, C C Kuo, J C Hsu, W C Chen, 10.1021/am100760aACS Appl. Ma... |
88 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsN-isopropylacrylamide)-co-(N-hydroxymethylacrylamide)) and Their Blends with 1,2-Diaminoanthraquinone for NO Gas Detection. L N Chen, Y C Chiu, J J Hung, C C Kuo, W C Chen, 10.1002/macp.20130... |
89 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsUltra Metal Ions and pH Sensing Characteristics of Thermoresponsive Luminescent Electrospun Nanofibers Prepared from Poly(HPBO-co-NIPAAm-co-SA). L N Chen, C C Kuo, Y C Chiu, W C Chen, 10.1039... |
90 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsPyrene or Rhodamine Derivative-Modified Surfaces of Electrospun Nanofibrous Chemosensors for Colorimetric and Fluorescent Determination of Cu 2+ , Hg 2+ , and pH. C J Cho, S T Lu, C C Kuo, F ... |
91 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsSelf-Assembly Behaviors of Thermaland pH Sensitive Magnetic Nanocarriers for Stimulitriggered Release. C Y Kuo, T Y Liu, A Hardiansyah, C F Lee, M S Wang, W Y Chiu, 10.1186/1556-276X-9-520Nan... |
92 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsHigh Pervaporation Dehydration Performance of the Composite Membrane with an Ultrathin Alginate/Poly(acrylic acid)-Fe 3 O 4 Active Layer. C Zhao, Z Jiang, J Zhao, K Cao, Q Zhang, F Pan, 10.10... |
93 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsMercury Ion Responsive Wettability and Oil/Water Separation. L Xu, N Liu, Y Cao, F Lu, Y Chen, X Zhang, L Feng, L Wei, 10.1021/am5038214ACS Appl. Mater. Interfaces. 6PubMedXu, L.; Liu, N.; Ca... |
94 | Novel Magnet and Thermoresponsive Chemosensory Electrospinning Fluorescent Nanofibers and Their Sensing Capability for Metal IonsImproved Method for the Preparation of Guanidines. K S Kim, L Qian, 10.1016/S0040-4039(00)61537-XTetrahedron Lett. 34Kim, K.S.; Qian, L. Improved Method for the Preparation of Guanidines. Tet... |
95 | Electrochemical and structural characterization of Azotobacter vinelandii flavodoxin IISupplementary Material for Electrochemical and Structural Characterization of Azotobacter vinelandii Flavodoxin II |
96 | Electrochemical and structural characterization of Azotobacter vinelandii flavodoxin IIHelen M Segal
Thomas Spatzal
Michael G Hill
Andrew K Udit
Douglas C Rees
Supplementary Material for Electrochemical and Structural Characterization of Azotobacter vinelandii Flavodoxin II
1 This PDF includes: Supplementary Mater... |
97 | Electrochemical and structural characterization of Azotobacter vinelandii flavodoxin IIAzotobacter vinelandii Cell Growth and Flavodoxin II Purification. Cell growths and proteinpurifications were carried out as previously described for isolation of Azotobacter vinelandii nitrogenase 53,54 . The nitrogenase component p... |
98 | Electrochemical and structural characterization of Azotobacter vinelandii flavodoxin IIthe day of purification. Dioxygen was removed from the size exclusion column buffer prior to use in the purification by iterative cycles of vacuum followed by argon filling.
An overnight starter culture of the flavodoxin II overexpr... |
99 | Electrochemical and structural characterization of Azotobacter vinelandii flavodoxin IIThe concentration of protein was estimated based on the absorption of the sample at 452 nm, using an extinction coefficient of 11,300 M -1 cm -1 55 . The total protein yield was about 0.2 mg of protein per gram of cell paste. The pur... |
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