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D-PLUS-MELEZITOSE HYDRATE - CAS 207511-10-2

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Category
Main Product
Product Name
D-PLUS-MELEZITOSE HYDRATE
Catalog Number
207511-10-2
Synonyms
(2R,3R,4S,5S,6R)-2-[(2S,3S,4R,5R)-4-hydroxy-2,5-bis(hydroxymethyl)-2-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxolan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol;hydrate;D-(+)-Melezitosemonohydrate;D-(+)-Melezitosehydrate;UNII-74671JEQ9L;74671JEQ9L
CAS Number
207511-10-2
Molecular Weight
504.44
Molecular Formula
C18H32O16
COA
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MSDS
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Canonical SMILES
C(C1C(C(C(C(O1)OC2C(C(OC2(CO)OC3C(C(C(C(O3)CO)O)O)O)CO)O)O)O)O)O.O
InChI
InChI=1S/C18H32O16.H2O/c19-1-5-8(23)11(26)13(28)16(30-5)32-15-10(25)7(3-21)33-18(15,4-22)34-17-14(29)12(27)9(24)6(2-20)31-17;/h5-17,19-29H,1-4H2;1H2/t5-,6-,7-,8-,9-,10-,11+,12+,13-,14-,15+,16-,17-,18+;/m1./s1
InChIKey
CFXAVQUXSYFPDE-ZDVKUAOASA-N
Structure
CAS 207511-10-2 D-PLUS-MELEZITOSE HYDRATE
Specification
Purity
Purity >99%
Reference Reading
1.A one-step synthesis of water-soluble MoS2 quantum dots via hydrothermal method as fluorescent probe for hyaluronidase detection.
Gu W, Yan Y, Zhang C, Ding C, Xian Y. ACS Appl Mater Interfaces. 2016 Apr 15. [Epub ahead of print]
In this work, a bottom-up strategy is developed to synthesize water-soluble molybdenum disulfide quantum dots (MoS2 QDs) through a simple, one-step hydrothermal method using ammonium tetrathiomolybdate ((NH4)2MoS4) as precursor and hydrazine hydrate as the reducing agent. The as-synthesized MoS2 QDs are few-layered with a narrow size-distribution, and the average diameter is about 2.8 nm. The resultant QDs show excitation-dependent blue fluorescence due to the polydispersity of QDs. Moreover, the fluorescence can be quenched by hyaluronic acid (HA) functionalized gold nanoparticles (AuNPs) through a photoinduced electron transfer mechanism. Hyaluronidase (HAase), an endoglucosidases, can cleave HA into proangiogenic fragments and lead to the aggregation of gold nanoparticles. As a result, the electron transfer is blocked and fluorescence is recovered. Based on this principle, a novel fluorescence sensor for HAase is developed with a linear ranging from 1 to 50 U/mL and a detection limit of 0.
2.Chlorination of oxybenzone: Kinetics, transformation, disinfection byproducts formation, and genotoxicity changes.
Zhang S1, Wang X1, Yang H2, Xie YF3. Chemosphere. 2016 Apr 13;154:521-527. doi: 10.1016/j.chemosphere.2016.03.116. [Epub ahead of print]
UV filters are a kind of emerging contaminant, and their transformation behavior in water treatment processes has aroused great concern. In particular, toxic products might be produced during reaction with disinfectants during the disinfection process. As one of the most widely used UV filters, oxybenzone has received significant attention, because its transformation and toxicity changes during chlorine oxidation are a concern. In our study, the reaction between oxybenzone and chlorine followed pseudo-first-order and second-order kinetics. Three transformation products were detected by LC-MS/MS, and the stability of products followed the order of tri-chloro-methoxyphenoyl > di-chlorinated oxybenzone > mono-chlorinated oxybenzone. Disinfection byproducts (DBPs) including chloroform, trichloroacetic acid, dichloroacetic acid and chloral hydrate were quickly formed, and increased at a slower rate until their concentrations remained constant.
3.Flexible additive free H2V3O8 nanowire membrane as cathode for sodium ion batteries.
Wang D1, Wei Q1, Sheng J1, Hu P1, Yan M1, Sun R1, Xu X1, An Q1, Mai L1. Phys Chem Chem Phys. 2016 Apr 13. [Epub ahead of print]
Sodium ion batteries (SIBs) have emerged as a potential candidate to succeed lithium ion batteries (LIBs), because of the abundant sodium resources on earth. Layered vanadium oxides are regarded as the promising candidates for SIBs because of their large interlayer spacing, high theoretical specific capacity, abundant sources and low cost. In this paper, a vanadium oxide hydrate (H2V3O8) nanowire membrane is presented as a flexible cathode for SIBs without addition of any other additives (binders or conductive compounds). Such a freestanding flexible membrane exhibits a high specific capacity of 168 mA h g-1 at 10 mA g-1, and its high capacity is maintained well after 100 cycles. It is found that the capacitive charge storage accounts for a relatively large proportion of the total capacity, whereas the crystal structure of H2V3O8 is highly reversible during the sodiation/desodiation processes. This research demonstrates that the H2V3O8 nanowire is an exceptional candidate for SIBs.
4.Meandering Musings by Linus Pauling: "American Scientists and the Spirit of the Frontier".
Bause GS1. J Anesth Hist. 2016 Apr;2(2):42-8. doi: 10.1016/j.janh.2015.11.002. Epub 2015 Nov 28.
Hoping to raise funds in 1975 for his namesake institute, Linus Pauling submitted to Esquire magazine a 32-page handwritten manuscript, "American Scientists and the Spirit of the Frontier." Angered when his submission for publication was declined, Pauling eventually gifted the original manuscript in 1986 to his friend, Linus Pauling Institute fundraiser Stephen Maddox, who would sell it in 2004 to the Wood Library-Museum of Anesthesiology. Published accurately here for the first time, the manuscript captures not only Pauling's sweeping metaphor of scientists as frontiersmen but also the creative process by which Pauling formulated his hydrate microcrystal theory of general anesthesia.
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