CN105241859B - A kind of CTS ZnO fluorescent test papers and its preparation method and application - Google Patents
A kind of CTS ZnO fluorescent test papers and its preparation method and application Download PDFInfo
- Publication number
- CN105241859B CN105241859B CN201510725801.9A CN201510725801A CN105241859B CN 105241859 B CN105241859 B CN 105241859B CN 201510725801 A CN201510725801 A CN 201510725801A CN 105241859 B CN105241859 B CN 105241859B
- Authority
- CN
- China
- Prior art keywords
- test paper
- zno
- cts
- preparation
- acid ion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention discloses a kind of CTS ZnO fluorescent test papers, is made up of test paper host material dip loading silanization nano zine oxide, silanization nano zine oxide load capacity is 0.010 mg/mm2, and provide preparation method and application.By preparing a kind of silanization nano zinc oxide material with fluorescent characteristic and high aqueous phase stability, and it is solidified CTS ZnO fluorescent test paper strips are made in test paper host surface, combined type portable fluorescence intensity measurement instrument determines the concentration of selenous acid ion.The fluorescent test paper strip of use has cheap, portable and is presented integrated design feature；Its quantitative manner is directly perceived, quick, and discoloration is the strong and weak change of Observable fluorescence by visual observation, can directly determine the concentration of selenous acid ion in prepare liquid；It is simple to operate, detection time is short, high sensitivity, and suitable for the quick, sensitive of selenous acid ion concentration in various water quality, milligram ammonia and can the speed of field application survey.
Description
Technical field
The invention belongs to technical field of analytical chemistry, is related to a kind of CTS-ZnO fluorescent test papers and preparation method thereof, can be used for
Detect radioactivity selenous acid ion.
Background technology
Nuclear safety is great livelihood issues, with the health of numerous people and the stable breath manner of breathing of the harmony of society
Close, guarantee environment safety turns into a great and urgent task in China's socio-economic development.In recent years, nuclear power station is emerging
The situation for the environment nuclear pollution being built into is increasingly serious.Using level radioactive nuclear waste will be produced while nuclear energy, except uranium and235U
Fission product, important radioactive fission product includes137Cs、90Sr、140Ba、129I、79Se etc..Wherein137Cs、90Sr and79Se
Half-life period is most long, and the tissue and cell to human body cause greatly to destroy.Wherein, especially with high radioactivity79Se harm is maximum, and one
Denier inflow river is marine, not only pollutes the water body in the region, and pollutes marine organisms, enters higher organisms through food chain
Interior accumulation, fishing, edible contaminated water plant and fish and shellfish aquatic products, great threat is brought to human health.Selenium exists
Mainly exist in fluviomarine deposit thing in the form of acid ion, conventional detection means includes chromatography of ions（Ic）Method, Conductivity detection
Method, ion chromatographic column-uv detection method and ampere detection method, but these detection methods are only capable of meeting the requirement typically determined, but
Have that qualitative, quantitative means are single, sensitivity is relatively low, easily by other ion interferences the shortcomings of, particularly, these technologies remain
Instrument is valuable, complex operation, analyze speed are slow, is difficult to the limitations such as field monitoring application.In recent years, photoelectric sense technology exists
Made some progress in the research and development of nuclear material senser element, but its application is still extremely limited.Therefore, development is a kind of
Quickly, it is sensitive, portable, can on-site supervision to detect the quick test technique of high nuclear radiation selenium isotope ion be extremely urgent, and close
It is to nuclear safety and environment（River sea）" conservation culture " builds the matter of fundamental importance.
In recent years, zinc oxide material has been widely used in photocatalysis, sensor and optics field.Particularly, receive
Rice zinc oxide material has adjustable fluorescent characteristic, is cheap, nontoxic, is expected to substitute poisonous semiconductor-quantum-point（Such as CdSe and
CdTe）Material, be applied to the light emitting diode of optical field, and the field such as anti-fake mark and biological effluent treatment,
Such as cell imaging, antibiotic property, drug delivery and molecular labeling.However, the nanometer traditionally prepared using sol-gel route
Zinc oxide is unstable in aqueous phase, and shows at a fairly low quantum yield in Ostwald reacts（QYs）.More serious
It is that fluorescence quenching may significantly occur in aqueous dispersion and biological medium for fluorescence Zinc oxide quantum dot.Thus cause to send out
The problems such as luminous intensity is greatly lowered.Therefore, the aqueous phase stability and fluorescence intensity for how improving nano zine oxide quantum dot is
One is rich in attractive and has the problem of great challenge.
The content of the invention
To solve disadvantages mentioned above existing for prior art, the present invention provides a kind of sub- available for high radioactive nucleus pollution products
The CTS-ZnO fluorescent test papers that the speed of selenic acid ion is surveyed.
, will using common test paper host material cheap and easy to get as carrier present invention also offers the preparation method of the test paper
Silanization nano zinc oxide material with fluorescent characteristic and high aqueous phase stability（CTS-ZnO) solidify in test strips surface system
Into.
Technical solution of the present invention is as follows：
A kind of CTS-ZnO fluorescent test papers, it is characterised in that：By test paper host material dip loading silanization nano zine oxide
Form, silanization nano zine oxide load capacity is 0.010mg/mm2, the CTS-ZnO fluorescent test papers are white.
Described test paper host material is the blotting paper of unstressed configuration brightening agent, and test paper ruler modest ability × width x thickness is 50.00mm
×8.00mm×0.40mm；It is preferred that Medium speed filter paper.
Above-mentioned CTS-ZnO fluorescent test papers preparation method, comprises the following steps：
1）Prepare silanization nano zine oxide（CTS-ZnO) solution：By Zn (AC)2·2H2O and ethanol mixing, are then added
Silane, 10min is stirred at room temperature, then adds LiOHH2O, stir to whole dissolvings, obtain the nano oxidized zinc solution of silanization；
2）The silicic acid anhydride of test strips：The mixing that test paper host material is soaked in silylating reagent and absolute ethyl alcohol is molten
20min in liquid, taking-up are dried standby.
3）Prepare CTS-ZnO fluorescent test papers：Take step 1）The nano oxidized zinc solution of silanization of preparation is dilute with absolute ethyl alcohol
80~100 times are released, adds step 2）Test paper host material after silicic acid anhydride soaks 1~2h, dries, obtains CTS-ZnO fluorescence
Test paper.
Step 1）In, described silane and Zn (AC)2·2H2O, ethanol, LiOHH2The ratio of the amount of O material is 1：0.2
~0.8：100~300：1~3.
Step 1）In, described silane is 3- chloropropyl triethoxysilanes, purity 98%.
Step 2）In, the volume ratio of described silylating reagent and absolute ethyl alcohol is 1：5~25.
Step 2）In, described silylating reagent is hexadecyl trimethoxy silane.
Step 3）In, described immersion, time preferred 1h.
The application of CTS-ZnO fluorescent test papers of the present invention：Available for selenous acid ion quick detection.
Detection method is：CTS-ZnO fluorescent test papers are soaked in 3s in testing sample, taking-up is dried in the air to 3~4s, then three
The fluorescence graded of various concentrations selenous acid ion is rung with CTS-ZnO fluorescent test paper strips are surveyed under the nm of uviol lamp wavelength 254
Should, the color change of test strips is recorded, is compared with calibration colorimetric card color, determines the concentration of selenous acid ion.
Described testing sample includes：Seawater, running water, lake water, river.
The present invention is partly led using common test paper material as carrier by preparing the zinc oxide with unique texture and photoelectric characteristic
Body quantum dot nano sensitive material, and then introduce silanization ergasia and surface-functionalized processing is carried out to it, and it is allowed to derivative
Go out corresponding functional group（Such as amino）, obtain the silanization nano zine oxide of high aqueous phase stability（CTS-ZnO）, then, it is consolidated
Change in test paper host surface, by radioactivity79The selenous acid ion pair CTS-ZnO fluorescence intensities of Se isotopes it is efficient sudden
Go out performance, developed a kind of quick, sensitive, special based on CTS-ZnO fluorescent test papers, realize to high radioactive nucleus in the seawater body of river
The speed survey of pollution products selenous acid ion.
The beneficial effects of the present invention are：
（1）Prepare a kind of silanization nano zinc oxide material with fluorescent characteristic and high aqueous phase stability（CTS-
ZnO), and it is solidified and CTS-ZnO fluorescent test paper strips is made in test paper host surface, combined type portable fluorescence intensity measures
Instrument determines the concentration of selenous acid ion.The present invention is not related to the instrumentation of complexity, has preferable application prospect.
（2）The fluorescent test paper strip of the present invention has cheap, portable and is presented integrated design feature；Its quantitative manner is straight
See, be quick, discoloration is the strong and weak change of Observable fluorescence by visual observation, can directly determine the dense of selenous acid ion in prepare liquid
Degree；
（3）It is simple to operate, detection time is short, high sensitivity when test paper of the present invention is used for selenous acid ion detection（Test limit
As little as 10 nM）, and suitable for the quick, sensitive of selenous acid ion concentration in various water quality, milligram ammonia and can field application
Speed is surveyed.
Brief description of the drawings
Visual quick test devices of the Fig. 1 based on CTS-ZnO fluorescent test paper strips, in figure, A, ultraviolet analysis instrument for three purposed, B, CTS-
ZnO fluorescent test papers, C, testing sample；
Fig. 2 is that CTS-ZnO fluorescent test papers respond change to the fluorescence intensity of disturbance ion；
Fig. 3 is the calibration colorimetric card that CTS-ZnO fluorescent test papers respond various concentrations selenous acid ion；
Fig. 4 is the color after the sample of CTS-ZnO fluorescent test papers testing example 6；
Fig. 5 is the color after the sample of CTS-ZnO fluorescent test papers testing example 7；
Fig. 6 is the color after the sample of CTS-ZnO fluorescent test papers testing example 8；
Fig. 7 is the color after the sample of CTS-ZnO fluorescent test papers testing example 9；
Fig. 8 is the color after the sample of CTS-ZnO fluorescent test papers testing example 10.
Embodiment
The present invention is further described with reference to specific embodiment, without departing from the idea case in the present invention described above,
The various replacements or change made according to ordinary skill knowledge and customary means, are included within the scope of the present invention.
CTS-ZnO fluorescent test papers of the present invention and preparation method
Embodiment 1
A kind of CTS-ZnO fluorescent test papers, it is characterised in that：By Medium speed filter paper dip loading silanization nano zine oxide structure
Into silanization nano zine oxide load capacity is 0.010 mg/mm2, test paper size：Length × width x thickness size be 50.00 mm ×
8.00 mm×0.40 mm；CTS-ZnO fluorescent test papers are white；
Its preparation method, comprise the following steps：
1）Prepare silanization nano zine oxide（CTS-ZnO) solution：By Zn (AC)2·2H2O and ethanol mixing, are then added
The 3- chloropropyl triethoxysilanes of purity 98%, stir 10 min, then add LiOHH at room temperature2O, stir to all molten
Solution, obtains the nano oxidized zinc solution of silanization；Described silane and Zn (AC)2·2H2O, ethanol, LiOHH2The amount of O material
Than for 1：0.2：100：1.
2）The silicic acid anhydride of test strips：Test paper host material is soaked in volume ratio as 1：5 cetyl trimethoxy
20min in the mixed solution of base silane and absolute ethyl alcohol, taking-up are dried standby.
3）Prepare CTS-ZnO fluorescent test papers：Take step 1）The nano oxidized zinc solution of silanization of preparation is dilute with absolute ethyl alcohol
80-100 times is released, adds step 2）Test paper host material immersion 1h after silicic acid anhydride, dries, obtains the present embodiment CTS-ZnO
Fluorescent test paper.
Embodiment 2
A kind of CTS-ZnO fluorescent test papers, it is characterised in that：Received by the blotting paper dip loading silanization of unstressed configuration brightening agent
Rice zinc oxide is formed, and silanization nano zine oxide load capacity is 0.010 mg/mm2, test paper size：Length × width x thickness size is
50.00mm×8.00mm×0.40mm；CTS-ZnO fluorescent test papers are white；
Its preparation method, comprise the following steps：
1）Prepare silanization nano zine oxide（CTS-ZnO) solution：By Zn (AC)2·2H2O and ethanol mixing, are then added
The 3- chloropropyl triethoxysilanes of purity 98%, stir 10min, then add LiOHH at room temperature2O, stir to all molten
Solution, obtains the nano oxidized zinc solution of silanization；Described silane and Zn (AC)2·2H2O, ethanol, LiOHH2The amount of O material
Than for 1：0.8：300：3.
2）The silicic acid anhydride of test strips：Test paper host material is soaked in volume ratio as 1：25 cetyl trimethoxy
20min in the mixed solution of base silane and absolute ethyl alcohol, taking-up are dried standby.
3）Prepare CTS-ZnO fluorescent test papers：Take step 1）The nano oxidized zinc solution of silanization of preparation is dilute with absolute ethyl alcohol
100 times are released, adds step 2）Test paper host material immersion 2h after silicic acid anhydride, dries, obtains the present embodiment CTS-ZnO fluorescence
Test paper.
Embodiment 3
A kind of CTS-ZnO fluorescent test papers, it is characterised in that：By Medium speed filter paper dip loading silanization nano zine oxide structure
Into silanization nano zine oxide load capacity is 0.010 mg/mm2, test paper size：Length × width x thickness size be 50.00 mm ×
8.00 mm×0.40 mm；CTS-ZnO fluorescent test papers are white；
Its preparation method, comprise the following steps：
1）Prepare silanization nano zine oxide（CTS-ZnO) solution：By Zn (AC)2·2H2O and ethanol mixing, are then added
The 3- chloropropyl triethoxysilanes of purity 98%, stir 10 min, then add LiOHH at room temperature2O, stir to all molten
Solution, obtains the nano oxidized zinc solution of silanization；Described silane and Zn (AC)2·2H2O, ethanol, LiOHH2The amount of O material
Than for 1：0.5：200：2.
2）The silicic acid anhydride of test strips：Test paper host material is soaked in volume ratio as 1：15 cetyl trimethoxy
20min in the mixed solution of base silane and absolute ethyl alcohol, taking-up are dried standby.
3）Prepare CTS-ZnO fluorescent test papers：Take step 1）The nano oxidized zinc solution of silanization of preparation is dilute with absolute ethyl alcohol
90 times are released, adds step 2）Test paper host material immersion 1.5h after silicic acid anhydride, dries, it is glimmering to obtain the present embodiment CTS-ZnO
Light test paper.
CTS-ZnO fluorescent test papers performance test of the present invention
Embodiment 4：The standard that sensing speed based on CTS-ZnO fluorescent test paper strips is surveyed：The CTS- prepared using embodiment 1
ZnO test paper, analyze the selenous acid ion of various concentrations, obtained fluorescence intensity change as shown in figure 3, in figure various concentrations Asia
Selenic acid ion can cause CTS-ZnO fluorescent test paper strips to show the distinguishable fluorescence graded of naked eyes, from left to right selenous acid from
Sub- concentration be followed successively by 10 μM, 1 μM, 640 nM, 320 nM, 160 nM, 80 nM, 40 nM, 20 nM, 10 nM, show CTS-ZnO
Fluorescent test paper strip rapid method standard can accurately be used for the selenous acid ion for detecting various concentrations.Wherein, Fig. 3 is CTS-ZnO
Fluorescent test paper responds the calibration colorimetric card of various concentrations selenous acid ion.
Embodiment 5：Interference Detection of the sensing fast determining method based on CTS-ZnO fluorescent test paper strips to common ion：
Silanization nano zine oxide prepared by Example 1（CTS-ZnO) solution, the sound to other common ions is detected
Should, as a result as shown in Figure 2.It can be seen that responses of the CTS-ZnO to selenous acid ion is maximum, the response to other ions well below
To selenous acid ion.Therefore, CTS-ZnO has higher specific response, other common ion interference to selenous acid ion
It is smaller.
The application of CTS-ZnO fluorescent test papers of the present invention
Embodiment 6：The speed survey of selenous acid ion concentration in seawater
3s in CTS-ZnO fluorescent test paper strips immersion seawater prepared by embodiment 1, taking-up are dried in the air to 3~4 s, used three purple
Survey CTS-ZnO fluorescent test paper strips under outer lamp wavelength 254nm to respond the fluorescence graded of various concentrations selenous acid ion, record
The color change of test strips, by test paper color（Fig. 4）With calibrating colorimetric card（Fig. 3）Color compares the concentration for determining selenous acid ion
For 160 nM, tested with Atomic absorption（155nM）As a result it is basically identical.
Embodiment 7：The speed survey of selenous acid ion concentration in river
3s in CTS-ZnO fluorescent test paper strips immersion river prepared by embodiment 2, taking-up are dried in the air to 3~4 s, used three purple
Survey CTS-ZnO fluorescent test paper strips under outer lamp wavelength 254nm to respond the fluorescence graded of various concentrations selenous acid ion, record
The color change of test strips, by test paper color（Fig. 5）With calibration colorimetric card color compare determine selenous acid ion concentration be
80nM, as shown in figure 5, being tested with Atomic absorption（76nM）As a result it is consistent.
Embodiment 8：The speed survey of selenous acid ion concentration in lake water
3s in CTS-ZnO fluorescent test paper strips immersion lake water prepared by embodiment 3, taking-up are dried in the air to 3~4 s, used three purple
Survey CTS-ZnO fluorescent test paper strips under outer lamp wavelength 254nm to respond the fluorescence graded of various concentrations selenous acid ion, record
The color change of test strips, by test paper color（Fig. 6）With calibrating colorimetric card（Fig. 3）Color compares the concentration for determining selenous acid ion
For 80nM, tested with Atomic absorption（77nM）As a result it is consistent.
Embodiment 9：The speed survey of selenous acid ion concentration in running water
3s in CTS-ZnO fluorescent test paper strips immersion running water prepared by embodiment 1, taking-up are dried in the air to 3~4 s, used three
Survey CTS-ZnO fluorescent test paper strips under uviol lamp wavelength 254nm to respond the fluorescence graded of various concentrations selenous acid ion, note
The color change of test strips is recorded, by test paper color（Fig. 7）With calibrating colorimetric card（Fig. 3）Color, which compares, determines the dense of selenous acid ion
Spend for 20nM, tested with Atomic absorption（16nM）As a result it is consistent.
Embodiment 10：The speed survey of selenous acid ion concentration in exceeded water
CTS-ZnO fluorescent test paper strips prepared by embodiment 1 soak 3s in exceeded water, and taking-up is dried in the air to 3~4 s, is used three
CTS-ZnO fluorescent test paper strips are surveyed under the nm of uviol lamp wavelength 254 to respond the fluorescence graded of various concentrations selenous acid ion,
The color change of test strips is recorded, by test paper color（Fig. 8）With calibrating colorimetric card（Fig. 3）Color, which compares, determines selenous acid ion
Concentration is 1000nM, is tested with Atomic absorption（1005nM）As a result it is consistent.
Claims (9)
1. a kind of preparation method of APTES-ZnO fluorescent test papers, it is characterised in that by test paper host material dip loading silanization
Nano zine oxide is formed, and silanization nano zine oxide load capacity is 0.010 mg/mm2, the APTES-ZnO fluorescent test papers are white
Color, preparation method comprise the following steps：
1）Prepare the nano oxidized zinc solution of silanization：By Zn (AC)2·2H2O and ethanol mixing, then add the second of 3- chloropropyls three
TMOS, 10 min are stirred at room temperature, then add LiOHH2O, stir to whole dissolvings, obtain silanization nano zine oxide
Solution；
2）The silicic acid anhydride of test strips：Test paper host material is soaked in the mixed solution of silylating reagent and absolute ethyl alcohol
20min, taking-up are dried standby；
3）Prepare APTES-ZnO fluorescent test papers：Take step 1）The nano oxidized zinc solution of silanization of preparation, is diluted with absolute ethyl alcohol
80~100 times, add step 2）Test paper host material after silicic acid anhydride soaks 1~2h, dries, obtains APTES-ZnO fluorescence
Test paper.
2. preparation method according to claim 1, it is characterised in that：Described test paper host material is unstressed configuration brightening agent
Blotting paper, test paper ruler modest ability × width x thickness is 50.00mm × 8.00mm × 0.40mm.
3. preparation method according to claim 1, it is characterised in that：Step 1）In, described silane and Zn (AC)2·
2H2O, ethanol, LiOHH2The ratio of the amount of O material is 1：0.2~0.8：100~300：1~3.
4. preparation method according to claim 1, it is characterised in that：Step 1）In, described 3- chloropropyl triethoxies
Silane, purity 98%.
5. preparation method according to claim 1, it is characterised in that：Step 2）In, described silylating reagent with it is anhydrous
The volume ratio of ethanol is 1：5~25.
6. preparation method according to claim 1, it is characterised in that：Step 2）In, described silylating reagent is 16
Alkyl trimethoxysilane.
7. preparation method according to claim 1, it is characterised in that：Step 3）In, described immersion, time 1h.
A kind of 8. application of the APTES-ZnO fluorescent test papers described in any one of claim 1-7, it is characterised in that：For sub- selenium
Acid ion quick detection.
9. application according to claim 8, it is characterised in that：Detection method is to be soaked in APTES-ZnO fluorescent test papers
3s in testing sample, taking-up are dried in the air to 3~4s, then survey APTES-ZnO fluorescent test paper strips pair under three use uviol lamp wavelength 254nm
The fluorescence graded response of various concentrations selenous acid ion, the color change of test strips is recorded, with calibrating colorimetric card color ratio
It is right, determine the concentration of selenous acid ion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725801.9A CN105241859B (en) | 2015-10-30 | 2015-10-30 | A kind of CTS ZnO fluorescent test papers and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725801.9A CN105241859B (en) | 2015-10-30 | 2015-10-30 | A kind of CTS ZnO fluorescent test papers and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105241859A CN105241859A (en) | 2016-01-13 |
| CN105241859B true CN105241859B (en) | 2018-03-30 |
Family
ID=55039581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510725801.9A Active CN105241859B (en) | 2015-10-30 | 2015-10-30 | A kind of CTS ZnO fluorescent test papers and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105241859B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738338B (en) * | 2016-03-04 | 2018-10-12 | 曲阜师范大学 | A kind of water sensitive fluorescent capillary pipe and its preparation method and application based on amino silane zinc oxide |
| CN106092985B (en) * | 2016-06-07 | 2018-09-25 | 曲阜师范大学 | A kind of fluorescent test paper and its preparation method and application of low " coffee ring effect " |
| CN106290328B (en) * | 2016-07-22 | 2019-01-01 | 中南大学 | Slide or test paper array and preparation and application for liquid calcium ion detection |
| CN106770099A (en) * | 2016-12-04 | 2017-05-31 | 常州恒方大高分子材料科技有限公司 | A kind of fast qualitative quantitative determination powder or working of plastics whether the method containing fluorescent whitening agent |
| CN108452315B (en) * | 2018-04-08 | 2021-01-26 | 广西科技大学 | Preparation method of transdermal tyrosinase inhibitor |
| CN109444400B (en) * | 2018-10-29 | 2022-01-28 | 陕西科技大学 | Lateral flow chromatography test paper and preparation method and application thereof |
| CN109507160A (en) * | 2018-11-21 | 2019-03-22 | 山西大学 | A kind of test paper and method of quick detection curcumin |
| CN111693520A (en) * | 2019-03-15 | 2020-09-22 | 中国石油化工股份有限公司 | Preparation method and application of benzene series visual detection test paper |
-
2015
- 2015-10-30 CN CN201510725801.9A patent/CN105241859B/en active Active
Non-Patent Citations (7)
| Title |
|---|
| Colorimetric Disposable Paper Coated with ZnO@ZnS Core−Shell Nanoparticles for Detection of Copper Ions in Aqueous Solutions;Azar Sadollahkhani et.al;《ACS Applied Materials & Interfaces》;elsevier;20141002;第6卷;摘要，2.4节 * |
| Luminescent ZnO quantum dots for sensitive and selective detection of dopamine;Di Zhao et.al;《Talanta》;elsevier;20130111;第107卷;摘要 * |
| Visible light-sensitive APTES-bound ZnO nanowire toward a potent nanoinjector sensing biomolecules in a living cell;Jooran Lee et.al;《Nanoscale》;20130730;第5卷;10275-10282 * |
| ZnO Nanocomposites Modified by Hydrophobic and Hydrophilic Silanes with Dramatically Enhanced Tunable Fluorescence and Aqueous Ultrastability toward Biological Imaging Applications;Shuying Li et.al;《Scientific Reports》;20150216;第5卷;1-9 * |
| 水溶性ZnO／氨丙基一硅氧烷量子点的合成与荧光特性;吴杰等;《无机化学学报》;20100731;第26卷(第7期);1199-1206 * |
| 硒剂中亚硒酸钠含量的测定;王金荣等;《饲料博览》;20011231(第5期);28-28 * |
| 预混剂巾亚硒酸钠含量测定方法搽讨;刘志祥;《中国饲料》;20011231(第24期);24-25 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105241859A (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105241859B (en) | A kind of CTS ZnO fluorescent test papers and its preparation method and application | |
| Zhang et al. | Characteristics and sources of chromophoric dissolved organic matter in lakes of the Yungui Plateau, China, differing in trophic state and altitude | |
| Mohd Yazid et al. | Detection of Sn (II) ions via quenching of the fluorescence of carbon nanodots | |
| Liu et al. | A simple and sensitive sensor for rapid detection of sulfide anions using DNA-templated copper nanoparticles as fluorescent probes | |
| Safavi et al. | A novel optical sensor for uranium determination | |
| CN111687408B (en) | Fluorescent copper nanocluster, preparation method and application thereof | |
| CN103439267B (en) | A kind of test reagent combination and detection method of dimercurion | |
| CN102519948B (en) | Detection method for hexavalent chromium ions | |
| CN104880495B (en) | New spatial steric hindrance regulation type visible ray optical electro-chemistry detects PFOA sensor designs and its application | |
| CN106596481A (en) | Method for detecting Pb<2+> by use of boron-nitrogen-doped fluorescent carbon point probe | |
| Safavi et al. | Design and evaluation of a thorium (IV) selective optode | |
| Zare-Dorabei et al. | Lanthanum (III) ion determination by a new design optical sensor | |
| Tavallali et al. | Developing a new method of 4-(2-pyridylazo)-resorcinol immobilization on triacetylcellulose membrane for selective determination of Ga3+ in water samples | |
| Ye et al. | Facile monitoring of meat freshness with a self-constructed photosensitization colorimetric instrument | |
| Moustafa et al. | A highly selective bulk optode based on 6-{4-(2, 4-dihydroxy-phenyl) diazenyl) phenyl}-2-oxo-4-phenyl-1, 2-dihydro-pyridine-3-carbonitrile incorporating chromoionophore V for determination of nano levels of cadmium | |
| CN107255628A (en) | A kind of formaldehyde testing reagent | |
| CN112705195B (en) | Functional material for degrading and determining tetracycline, preparation method and application | |
| Powers et al. | Apparent quantum efficiency spectra for superoxide photoproduction and its formation of hydrogen peroxide in natural waters | |
| Ganjali et al. | Design and construction of a novel optical sensor for determination of trace amounts of dysprosium ion | |
| CN107655844A (en) | Developer, copper ion colorimetric method sensor and its application method and purposes for copper ion colorimetric method | |
| CN209400419U (en) | A kind of double fluorescence signals based on LED light source and Turbidity Water matter monitoring probe | |
| CN103472046A (en) | Method of analyzing heavy metal pollution of vegetable based on reactive oxygen species level | |
| CN104865204A (en) | Method for F<-> colorimetric detection | |
| CN115141380A (en) | Silver nanoparticle loaded hydrogen bond organic framework composite material and preparation method and application thereof | |
| CN111380861B (en) | Detection reagent combination and detection method for cesium ions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |