- ￥7198
- Sigma-Aldrich
- 进口
- H8125-1KG
- 2025年09月02日
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- 详细信息
- 文献和实验
- 技术资料
- 保存条件：
常温
- 保质期：
根据瓶身LOT号查询
- 英文名：
L-Histidine monohydrochloride monohydrate
- 库存：
有现货
- 供应商：
浙江羽翔生物科技有限公司
- CAS号：
5934-29-2
- 规格：
1KG
属性
质量水平
200
方案
≥98% (HPLC)
mp
254 °C (dec.) (lit.)
溶解性
H2O: 50 mg/mL, clear, colorless to very faintly yellow
SMILES字符串
O.Cl.N[C@@H](Cc1c[nH]cn1)C(O)=O
InChI
1S/C6H9N3O2.ClH.H2O/c7-5(6(10)11)1-4-2-8-3-9-4;;/h2-3,5H,1,7H2,(H,8,9)(H,10,11);1H;1H2/t5-;;/m0../s1
InChI key
CMXXUDSWGMGYLZ-XRIGFGBMSA-N
应用
生化/生理作用
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文献和实验CdTe0.5S0.5/ZnS Quantum Dots Embedded in a Molecularly Imprinted Polymer for the Selective Optosensing of Dopamine.
This work describes the preparation of molecularly imprinted polymer (MIP)-modified core/shell CdTe0.5S0.5/ZnS quantum dots (QDs). The QDs@MIP particles were used for the selective and sensitive detection of dopamine (DA). Acrylamide, which is able to form hydrogen bonds with DA, and ethylene glycol dimethylacrylate (EGDMA) as cross-linker were used for the preparation of the MIP. Highly cross-linked polymer particles with sizes up to 1 µm containing the dots were obtained after the polymerization. After the removal of the DA template, MIP-modified QDs (QDs@MIP) exhibit a high photoluminescence (PL) with an intensity similar to that of QDs embedded in the nonimprinted polymer (NIP). A linear PL decrease was observed upon addition of DA to QDs@MIP and the PL response was in the linear ranges from 2.63 µM to 26.30 µM with a limit of detection of 6.6 nM. The PL intensity of QDs@MIP was quenched selectively by DA. The QDs@MIP particles developed in this work are easily prepared and of low cost and are therefore of high interest for the sensitive and selective detection of DA in biological samples.
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