Results 1 to 10 of about 303,242 (267)

Thermodynamics and Crystallization Behavior of Meropenem Influenced by Solvent Composition and pH [PDF]

Molecules
To develop an improved crystallization process for meropenem trihydrate, an important carbapenem antibiotic, the pH-dependent solubility of meropenem trihydrate in different solvent systems was investigated using the laser monitoring dynamic method.
Jinshen Ren, Sanli Yin, Yifu Zhang, Mingyu Chen, Na Wang, Ting Wang, Xin Huang, Hongxun Hao   +7 more
doaj   +2 more sources

Thermodynamic Properties of 1,5-Pentanediamine Adipate Dihydrate in Three Binary Solvent Systems from 278.15 K to 313.15 K

Crystals, 2022
In this work, solubility data of 1,5-pentanediamine adipate dihydrate in binary solvent systems of water + methanol, water + ethanol and water + N,N-dimethylformamide were experimentally measured via a static gravimetric method in the temperature range ...
Liang Li, Yihan Zhao, Baohong Hou, Han Feng, Na Wang, Dong Liu, Yingjie Ma, Ting Wang, Hongxun Hao   +8 more
doaj   +1 more source

Enhancement of Crystallization Process of the Organic Pharmaceutical Molecules through High Pressure

Crystals, 2022
The enhancement of the crystallization process through high pressures was studied by using ribavirin (RVB) as a model compound. The effects of high pressure on crystallization thermodynamics, nucleation kinetics, and process yield were evaluated and ...
Yaoguang Feng, Hongxun Hao, Yiqing Chen, Na Wang, Ting Wang, Xin Huang   +5 more
doaj   +1 more source

Spatiotemporal control of l-phenylalanine crystallization in microemulsion: the role of water in mediating molecular self-assembly

IUCrJ, 2022
Water confined or constrained in a cellular environment can exhibit a diverse structural and dynamical role and hence will affect the self-assembly behavior of biomolecules.
Qi Liu, Jingkang Wang, Xin Huang, Hao Wu, Shuyi Zong, Xiaowei Cheng, Hongxun Hao   +6 more
doaj   +1 more source

Novel materials and crystallizer design for freeze concentration

Scientific African, 2023
When wastewater streams or seawater are desalinated, the waste product is a hypersaline brine stream which is usually disposed of or stored in evaporation ponds.
Alison Emslie Lewis, Jemitias Chivavava, Lerato Audrey Motsepe, Buhle Nxiwa, Karabo Netshiomvani, Njabulo Zimu   +5 more
doaj   +1 more source

The Effect of Solvents on the Crystal Morphology of Pyriproxyfen

Crystals, 2023
To obtain crystal products with ideal morphology and better quality, it is important to fully understand and grasp the affecting mechanism of solvents on crystal morphology.
Xiaoyang Yan, Na Wang, Xiongtao Ji, Yaoguang Feng, Jun Li, Ting Wang, Xin Huang, Hongxun Hao   +7 more
doaj   +1 more source

Impact of Impurities on Crystallization and Product Quality: A Case Study with Paracetamol

Crystals, 2021
A thorough, systematic study into the effect that structurally related impurities have on both the process and product quality during the crystallization of an active pharmaceutical ingredient is presented.
Stephanie J. Urwin, Stephanie Yerdelen, Ian Houson, Joop H. ter Horst   +3 more
doaj   +1 more source

Partial Oxidation Strategy to Synthesize WS₂/WO₃ Heterostructure with Enhanced Adsorption Performance for Organic Dyes: Synthesis, Modelling, and Mechanism

Nanomaterials, 2020
In this work, a facile oxidation strategy was developed to prepare novel tungsten disulfide/tungsten trioxide (WS2/WO3) heterostructures for adsorbing organic dyes efficiently by combining the hydrophilic property of WO3 and the superior dye affinity of ...
Guiping Li, Yongli Wang, Jingtao Bi, Xin Huang, Yafei Mao, Liang Luo, Hongxun Hao   +6 more
doaj   +1 more source

Gypsum Seeding to Prevent Scaling

Crystals, 2022
Eutectic freeze crystallization (EFC) is a novel separation technique that can be applied to treat brine solutions such as reverse osmosis retentates. These are often a mixture of different inorganic solutes. The treatment of calcium sulphate-rich brines
Taona Malvin Chagwedera, Jemitias Chivavava, Alison Emslie Lewis   +2 more
doaj   +1 more source

Targeting Desired Particle Size for Improved Dissolution and Manufacturability of Mefenamic Acid

Chemistry Proceedings, 2022
This work aims at the production of uniformly sized, equant shaped crystals using a direct nucleation control (DNC) strategy to help achieve enhanced manufacturability and bioavailability of the active pharmaceutical ingredients (API).
Wei Li, Chris D. Rielly, Brahim Benyahia
doaj   +1 more source