R0508
(−)-核黄素
acrylamide photopolymerization tested
别名:
乳黄素, 维生素 B2, 维生素 G
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经验公式（希尔记法）:
C17H20N4O6
化学文摘社编号:
分子量:
376.36
EC Number:
201-507-1
UNSPSC Code:
12352200
PubChem Substance ID:
Beilstein/REAXYS Number:
97825
MDL number:
biological source
synthetic (organic)
form
powder
mp
290 °C (dec.) (lit.)
suitability
acrylamide photopolymerization tested
foreign activity
Protease, none detected
SMILES string
CC1=C(C)C=C(N(C[C@H](O)[C@@H]([C@H](O)CO)O)C(C2=N3)=NC(NC2=O)=O)C3=C1
InChI
1S/C17H20N4O6/c1-7-3-9-10(4-8(7)2)21(5-11(23)14(25)12(24)6-22)15-13(18-9)16(26)20-17(27)19-15/h3-4,11-12,14,22-25H,5-6H2,1-2H3,(H,20,26,27)/t11-,12+,14-/m0/s1
InChI key
AUNGANRZJHBGPY-SCRDCRAPSA-N
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Application
Riboflavin is suitable as a photopolymerization reagent in PAGE by forming free radicals in aqueous solution in the presence of light. Riboflavin photodecomposes to leucoflavin. No free radicals are formed in the absence of oxygen but traces of oxygen allows for leucoflavin to reoxidize with free-radical generation. The catalysts TEMED or DMAPN are commonly added to speed up the free radical formation. The free radicals will cause acrylamide and bis-acrylamide to polymerize to form a gel matrix which can be used for sieving macromolecules. Riboflavin is commonly used in the stacking gel for non-denaturing PAGE because native proteins can be sensitive to persulfate ions from ammonium persulfate. Another advantage of riboflavin over ammonium persulfate is that it will not start polymerizing until the gel is illuminated.
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
此项目有
George D Kymionis et al.
American journal of ophthalmology, 157(1), 110-115 (2013-11-10)
To evaluate and compare the depth of the corneal stromal demarcation line after corneal collagen cross-linking (CXL) using 2 different methods: confocal microscopy and anterior segment optical coherence tomography (AS OCT). Prospective, comparative, interventional case series. Seventeen patients (18 eyes)
Zisis Gatzioufas et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 29(12), 846-848 (2013-10-31)
To investigate the effect of high-fluence corneal collagen cross-linking (CXL) with riboflavin and ultraviolet-A in the management of progressive keratoconus. Preliminary results from a prospective cohort study. Seven eyes from 7 patients with progressive keratoconus subjected to CXL were included.
Carol P Wilson et al.
Hypertension (Dallas, Tex. : 1979), 61(6), 1302-1308 (2013-04-24)
Intervention with riboflavin was recently shown to produce genotype-specific lowering of blood pressure (BP) in patients with premature cardiovascular disease homozygous for the 677C→T polymorphism (TT genotype) in the gene encoding the enzyme methylenetetrahydrofolate reductase (MTHFR). Whether this effect is
Christine Wittig-Silva et al.
Ophthalmology, 121(4), 812-821 (2014-01-08)
To report the refractive, topographic, and clinical outcomes 3 years after corneal collagen cross-linking (CXL) in eyes with progressive keratoconus. Prospective, randomized controlled trial. One hundred eyes with progressive keratoconus were randomized into the CXL treatment or control groups. Cross-linking
Dalia G Said et al.
Ophthalmology, 121(7), 1377-1382 (2014-03-01)
To investigate the efficacy and safety of corneal collagen cross-linking (CXL) with photoactivated riboflavin (photoactivated chromophore for infectious keratitis [PACK]-CXL) in the management of infectious keratitis with corneal melting. Prospective clinical trial. Forty eyes from 40 patients with advanced infectious
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