Supporting Information for Regulating Immobilization Performance of Metal- organic Coordination Polymers through Pre- coordination for Biosensing Hua Yang, a Xin Qi, c Xinquan Wang, a Xiangyun Wang, a Qiang Wang, a Peipei Qi, a Zhiwei Wang, a Xiahong Xu, a Yingchun Fu b,c and Shouzhuo Yao c a State Key Lab Breeding Base for Zhejiang Sustainable Plant Pest Control; Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences; Hangzhou 310021, China b College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China c Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China. * Corresponding author: Fax: +86 571 8641834; Tel: +86 571 86415202 E-mail address: [email protected]* Corresponding author: Fax: +86 571 88982530; Tel: +86 571 88982534; E-mail address: [email protected]
Transcript
Supporting Information for
Regulating Immobilization Performance of Metal-organic
Coordination Polymers through Pre-coordination for Biosensing
Zhiwei Wang,a Xiahong Xu,a Yingchun Fub,c and Shouzhuo Yaoc
a State Key Lab Breeding Base for Zhejiang Sustainable Plant Pest Control; Institute of Quality and Standard for
Agro-products, Zhejiang Academy of Agricultural Sciences; Hangzhou 310021, Chinab College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
c Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of
China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China.
Fig. S1. UV-vis spectra and the absorbance intensities at 320 nm (the insert) of 0.5 mg mL-1 DMcT suspension after the additions of different concentrations of CuCl2.
Wavelength /nm300 350 400 450
Absorbance 0.0
.5
1.0
1.5
2.0
0.1 mM0.2 mM0.3 mM0.4 mM0.5 mM0.6 mM0.7 mM
CCu2+ /mM
0.0 .2 .4 .6
Absorbance
1.0
1.2
1.4
1.6
cCuCl2 / mM
0.0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8
j /
A c
m-2
40
50
60
70
80
90
100
Fig. S2. Response currents of biosensors prepared in different concentrations of CuCl2
to 1 mM glucose in pH 7.0 PBS at 0.7 V vs. SCE.
Potential /V0.0 .2 .4 .6 .8
i / A
-10
0
10
20
30
40
PBSPBS with 1mM H2O2
Potential /V0.0 .2 .4 .6 .8
i / A
-10
0
10
20
30
40
Potential /V0.0 .2 .4 .6 .8
i / A
-10
0
10
20
30
40
Potential /V0.0 .2 .4 .6 .8
i / A
-10
0
10
20
30
40
PBSPBS with 1mM H2O2
PBSPBS with 1mM H2O2
PBSPBS with 1mM H2O2
A B
C D
Fig. S3. CV curves to the addition of 1 mM H2O2 obtained in PBS (pH 7.0) for MOCPsCu (A), MOCPsAu (B), MOCPsCu+Au (C), bare Au (D) modified Au electrode.
Fig. S4. Ratios of the responses of biosensor to the initial ones during the storage in PBS at 4 oC.
t / day0 10 20 30 40 50
i/i0 %
0
20
40
60
80
100
Fig. S5. Potentiostatic responses of the biosensor to 1 mM glucose, 0.1 mM ascorbic acid (AA) and 0.1 mM uric acid (UA) at 0.7 V vs SCE in PBS.
t / s0 30 60 90 120 150
i / A
0
2
4
6
8
glucose AA UA
glucose
Table S1. Comparisons of detection potential and performance of glucose oxidase-based biosensors. LDR: linear detection range; LOD: limit of detection.
Ferrocene-functionalized graphene electrode for biosensing applications
9.369 0.03-0.6 20 Ref.[22]
Integration of microfluidic injection analysis with carbon
nanomaterials/gold nanowire arrays-based biosensors for glucose detection
8.59 0.05-4.0 / Ref.[23]
Mechanism of amperometric biosensor with electronic-type-controlled carbon
nanotube5.6 0.025-1.4 37 Ref.[24]
Rational Design of Bioelectrochemically Multifunctional
Film with Oxidase, Ferrocene, and Graphene Oxide for Development of in
Vivo Electrochemical Biosensors
4.3 0.05-0.5 10 Ref.[25]
Increased sensitivity of extracellular glucose monitoring based on AuNP
decorated GO nanocomposites3.9 0.3-20 300 Ref.[26]
An amperometric glucose biosensor based on a MnO2/graphene composite
modified electrode3.3 0.04-2 10 Ref.[27]
Graphene oxide–mediated electrochemistry of glucose oxidase on
glassy carbon electrodes3.1 Up to 0.6 20 Ref.[28]
Paper-based enzymatic reactors for batch injection analysis of glucose on
3D printed cell coupled with amperometric detection
2.55 1-10 110 Ref.[29]
Direct electrochemistry of glucose oxidase immobilized on Au
nanoparticles-functionalized 3D hierarchically ZnO nanostructures and its application to bioelectrochemical
glucose sensor
1.409 1-20 20 Ref.[30]
Carbon nanotubes non-covalently functionalized with cytochrome c: A
new bioanalytical platform for building bienzymatic biosensors
1.37 0.1-1 8 Ref.[31]
Electrocatalytic (Bio)Nanostructures Based on Polymer-Grafted Platinum Nanoparticles for Analytical Purpose
0.25 / / Ref.[32]
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