Crystallization-induced
WebMay 15, 2024 · Crystallization-induced diastereomer transformation (CIDT), which combines crystallization and epimerization, is a method of converging a diastereomeric mixture into a single one. Many successful examples using CIDT have been reported for optical resolution of amino acids and a pharmaceutical intermediate [ 15, 16 ]. 2. Results …
Crystallization-induced
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WebApr 14, 2024 · Polymer gels are usually used for crystal growth as the recovered crystals have better properties. Fast crystallization under nanoscale confinement holds great benefits, especially in polymer microgels as its tunable microstructures. This study demonstrated that ethyl vanillin can be quickly crystallized from carboxymethyl … WebAug 1, 2024 · Self-nucleation-induced crystallization procedure was shown in Fig. 1.To eliminate thermal history, all samples were heated to 190 °C for 3 min. Then quenched at 100 °C min −1 to 60 °C for isothermal crystallization (20 min). Next, the sample was reheated to the self-seeding temperature (T b) for 3 min.Finally, cooled to −30 °C at 10 …
WebOptical trapping-induced crystallization (OTIC) was first demonstrated by Sugiyama et al. in 2007 by focusing a near-infrared (NIR) laser in supersaturated glycine/D 2 O solution. When a laser beam is tightly focused in solution, optical gradient force attracts particles toward the focus spot [cf. optical trapping in Rayleigh regime described ... Webunderstanding of crystallization-induced flow. From Figure 2, we can calculate the average displacement rate of the CB particles by taking the averaged displacement after minute …
WebMay 24, 2016 · The high diffusion rates of the constituent elements induced by the crystallization of an amorphous phase at relatively low temperature (∼673K) are responsible for the development of atomic ordering in FeNi. … WebDec 24, 2024 · A unique squaraine, CIEE-SQ, exhibits strong emission in the crystal, undergoing crystallization-induced reversal from dark 1 (n+σ,π*) to bright 1 (π,π*) excited states. Such an excited state can be …
WebMay 24, 2016 · The high diffusion rates of the constituent elements induced by the crystallization of an amorphous phase at relatively low temperature (∼673K) are …
CIMF was investigated on the series of synthesized PCLs. Initially, the PCL samples were exposed to simple heating. During the heating process (heating rate: 50 °C min−1), the PCL samples were completely molten at 70 °C, where they were kept for 2 min. Subsequently, the samples were cooled to 30 °C (cooling … See more In this study, polycaprolactone (PCL) was chosen as the crystalline polymer based on the following three considerations. Firstly, even at room … See more The visualization of the crystallization process, which is the most important part of this paper, was performed by confocal laser scanning microscopy (CLSM). So far, the twisting behavior of lamellar crystals in … See more The generation of radicals during the isothermal crystallization was examined for the L-PCLs and S-PCLs. In the present system, the mechanical force induced by crystallization can be evaluated by EPR measurements of the … See more theragran-m 50 plusWebJul 1, 2024 · Experimental investigations revealed that the crystallization-induced volume shrinkage was about 4.7% for the PA12 polymer [ 5, 32 ], which is comparable to that caused by thermal contraction. The volume shrinkage for polymers with high crystallinity such as high-density polyethylene can reach 13% [ 5 ]. signs and symptoms hepatitis bWebSep 26, 2024 · The shear induced crystallization allowed crystallization of PHA nanofibers immediately after applying high shear rate and elongation strain, avoiding subsequent cooling to initiate crystallization. Shearing of PHA increased non-isothermal crystallization temperature by 50 °C and decreased the temperature range in which the … signs and symptoms for gout in footWebMar 26, 2024 · During stretching deformation, the crystal transition from α-form to γ-form and strain-induced crystallization were observed to contribute to the PAPACM12 with … theragra chalcogrammaWebJun 8, 2016 · In order to understand orientation-induced crystallization of polymers, we introduced an intermolecular interaction between polymer chains based on quantum … theragran ingredients labelWebJan 1, 2024 · Crystallization kinetics during the SIC are greatly enhanced in comparison with quiescent conditions, where the time required for completing the crystallization … theragra chalcogramma是什么WebCrystallization-induced mechanical response in hardened cement paste (HCP) under external sulfate attack (ESA) is studied. • The filling of ettringite crystal in porous system to produce crystallization pressure is explained. • The equivalent expansive eigenstrain of local HCP is used to characterize the ESA-induced chemical damage. • thera greece hotels