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Crystals, Volume 9, Issue 10

October 2019 - 60 articles

Cover Story: A new crystalline phase of betaxolol (BE_IV), an API belonging to the class of β1-adrenergic blocking agents, is reported on and compared with the already known BE_I form. In both polymorphs, the most significant interaction is the H-bonds involving the OH group as a donor and the NH as an acceptor, while the interaction where OH works as the acceptor (NH acts as the donor) is definitely less important. The resulting H-bond patterns are, however, different: alternate R2,2(10) a > a (OH donors) and R2,2(10) b > b (OH acceptors) in BE_I vs. alternate R4,4 (8) a > b > a > b (OH donors) and R2,2 (10) b > b (OH acceptor) in BE_IV. View this paper
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Articles (60)

  • Article
  • Open Access
12 Citations
3,363 Views
12 Pages

A Study on the Effect of Ceramic Polishing Powder on the Nucleation and Growth of Hydrates in Cement Paste

  • Liquan Wang,
  • Ziyang Liu,
  • Shida Xu,
  • Xiaowei Ouyang,
  • Dong Ouyang,
  • Chujie Jiao and
  • Yong Zhang

22 October 2019

The production of cement leads to a large amount of CO2 emission. Using industrial waste slag, such as ceramic polishing powder (PP), to replace part of Portland cement can reduce the pollution caused by the cement industry and solid waste disposal....

  • Article
  • Open Access
7 Citations
6,278 Views
4 Pages

In-plane Switching Deformed Helix Ferroelectric Liquid Crystal Display Cells

  • Evgeny P. Pozhidaev,
  • Timofey P. Tkachenko,
  • Artemy V. Kuznetsov and
  • Igor N. Kompanets

21 October 2019

In-plane electro-optical switching (IPS) is a natural feature of a conventional planar-aligned display cell based on the deformed helix ferroelectric liquid crystal effect (DHFLC-effect) with a sub-wavelength helix pitch, if the tilt angle is close t...

  • Article
  • Open Access
4 Citations
4,785 Views
19 Pages

Internalization of Phospholipid-Coated Gold Nanoparticles

  • Lindsay J. Shearer and
  • Nils O. Petersen

21 October 2019

Gold nanoparticles are used in health-related research; however, their effectiveness appears to depend on how well they are internalized and where they are destined to travel. Internalization in cells is efficient if the gold nanoparticles are biocom...

  • Article
  • Open Access
5 Citations
2,688 Views
13 Pages

20 October 2019

Most studies of the localized edge (EM) and defect (DM) modes in cholesteric liquid crystals (CLC) are related to the localized modes in a collinear geometry, i.e., for the case of light propagation along the spiral axis. It is due to the fact that a...

  • Article
  • Open Access
2 Citations
3,109 Views
13 Pages

19 October 2019

A polymer crystallization kinetics model is the most important way to characterize the crystallization rate of polymers. Because polymers are poor heat conductors, the cooling of thick-walled shapes results in temperature gradients. Piorkowska (Piork...

  • Editorial
  • Open Access
1 Citations
3,281 Views
2 Pages

Ice Crystals

  • Yoshinori Furukawa

19 October 2019

The special issue on “Ice Crystals” includes seven contributed papers, which give the wide varieties of topics related to ice crystals. They focus on the interface structure of ice, the physical properties of hydrate crystals and the free...

  • Article
  • Open Access
13 Citations
5,709 Views
13 Pages

Ambipolar Transport in Methylammonium Lead Iodide Thin Film Transistors

  • Jeoungmin Ji,
  • Farjana Haque,
  • Nhu Thi To Hoang and
  • Mallory Mativenga

19 October 2019

We report clear room temperature ambipolar transport in ambient-air processed methylammonium lead iodide (MAPbI3) thin-film transistors (TFTs) with aluminum oxide gate-insulators and indium-zinc-oxide source/drain electrodes. The high ionicity of the...

  • Article
  • Open Access
4 Citations
5,202 Views
18 Pages

Crystal-Chemical Properties of Synthetic Almandine-Pyrope Solid Solution by X-Ray Single-Crystal Diffraction and Raman Spectroscopy

  • Yunqian Kuang,
  • Jingui Xu,
  • Bo Li,
  • Zhilin Ye,
  • Shijie Huang,
  • Wei Chen,
  • Dongzhou Zhang,
  • Wenge Zhou and
  • Maining Ma

19 October 2019

Crystal-chemical properties of synthetic Almandine-Pyrope (Alm-Pyr) solid solutions were investigated by X-ray single-crystal diffraction and Raman spectroscopy. Garnet solid solution with different compositions were synthesized from powder at 4.0 GP...

  • Article
  • Open Access
6 Citations
3,829 Views
12 Pages

Characterization and Structural Determination of Cold-Adapted Monodehydroascorbate Reductase, MDHAR, from the Antarctic Hairgrass Deschampsia Antarctica

  • Ae Kyung Park,
  • Il-Sup Kim,
  • Hackwon Do,
  • Hyun Kim,
  • Woong Choi,
  • Seung-Woo Jo,
  • Seung Chul Shin,
  • Jun Hyuck Lee,
  • Ho-Sung Yoon and
  • Han-Woo Kim

18 October 2019

Ascorbic acid (AsA) is an abundant component of plants and acts as a strong and active antioxidant. In order to maintain the antioxidative capacity of AsA, the rapid regeneration of AsA is regulated by dehydroascorbate reductase (DHAR) and monodehydr...

  • Article
  • Open Access
3 Citations
5,494 Views
12 Pages

18 October 2019

Investigation on the solid-state pharmaceutical chemistry has been known as an intriguing strategy to not only modify the physicochemical properties of drugs but also expand the solid form landscape. Vortioxetine (VOT) is an effective but poorly solu...

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Crystals - ISSN 2073-4352