Explanipedia

Development of an Efficient Process for a Key Synthetic Intermediate of the SGLT2 Inhibitor LH-1801 Open

Jun Qu, Zhong Hu, Pengcheng Zhang, Hongxiang Wu, Hui Xue , et al. · 2025

(2-Bromo-5-chloro-4-((5-ethylthiophen-2-yl)methyl)phenyl)methanol (1) is a key intermediate of the SGLT2 inhibitor LH-1801. This study aimed to explore an efficient process for the synthesis of 1 on a large scale. In this work, the synthet…

Dual resection of gallbladder and gastric bronchogenic cyst: An unanticipated discovery and treatment Open

Guoshuai Xu, Fuzhou Han, Wenqiang Li, Jun Qu · 2025

Enhancing the Shredder Durability for Biomass Preprocessing by Utilizing Wear-Resistant Cutter Materials Open

Tomas Grejtak, Miranda W. Kuns, Jeffrey A. Lacey, Oyelayo O. Ajayi, G.R. Fenske , et al. · 2025

Comparison of Eco-Friendly Ionic Liquids and Commercial Bio-Derived Lubricant Additives in Terms of Tribological Performance and Aquatic Toxicity Open

Xin He, Louise Stevenson, Chanaka Kumara, Teresa Mathews, Huimin Luo , et al. · 2024

Approximately half of the lubricants sold globally find their way into the environment. The need for Environmentally Acceptable Lubricants (EALs) is gaining increased recognition. A lubricant is composed of a base oil and multiple function…

Development of a self-lubricating high-efficiency hybrid seal composed of carbon nanotube-coated metal meshes for CSP turbomachinery (SETO CPS #36333 Final Report) Open

Jun Qu, Chanaka Ihala Gamaralalage, Lianshan Lin, James R. Keiser, Nguyen LaTray , et al. · 2024

In turbomachinery, internal leakage flow accounts for up to 3% of the total thermodynamic cycle energy loss. Tradeoff must be made between the sealing efficiency (smaller clearance) and the friction and wear issues for interfering with the…

Minimizing Toxicity and Optimizing Lubricity of Ionic Liquids for Eco-Friendly Lubrication Open

Xin He, Huimin Luo, Teresa Mathews, Louise Stevenson, Thomas J. Geeza , et al. · 2024

As much as 60 million liters of lubricating fluids end up in the environment annually, and thus, the environmental impact of lubricants is increasingly recognized in addition to meeting the rheological and tribological requirements. Althou…

Epoxy Coating of Biofiber: An Effective Modifier of Biofiber Physical and Flow Properties for Improved Tensile Behavior of Biofiber-Reinforced Biocomposite Open

Oluwafemi Oyedeji, Xianhui Zhao, J.C. Cochrane, Hannah Snider, Hiromi Brown , et al. · 2024

Highlights Loblolly pine and corn stover fiber were successfully surface-treated with epoxy. Surface-treated fibers produced biocomposites with improved tensile properties. Surface treatment process results in a more evenly dispersed fiber…

Preparation and Properties of Anti-Weathering and Superhydrophobic Wood Based on Palm Wax in Pdms-Ts Nanocomposite Coating Open

Dong Xing, Sijia Guo, Jun Qu · 2024

Report on Initial Tribological Studies of Graphite in Dry Argon and Molten Salt Environment Open

Tomas Grejtak, Jun Qu, Nidia C. Gallego, James R. Keiser · 2024

This report documents completion of the Advanced Reactor Technologies (ART) Level 2 Milestone M2TG-24OR0501081: “Complete report on initial tribological studies within molten salt environment”, due January 31, 2024. This milestone is a car…

Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives Open

Jun Qu, Huimin Luo, Xin He · 2023

An ionic liquid composition having the following generic structural formula: wherein Z is N or P, and R¹, R², R³, and R⁴ are independently selected from hydrogen atom and hydrocarbon groups havin…

Contact pressure analysis to allow improved design for the clearing plate in a biomass comminution system Open

Lianshan Lin, Chris McKiernan, David N Lanning, James R. Keiser, Jun Qu · 2023

Effect of surface wetting on tribological behavior for laser textured steel using ionic liquid-based lubricants Open

Avik Samanta, Wuji Huang, Kyungjun Lee, Xin He, Chanaka Kumara , et al. · 2023

Improving mechanical properties of carbon and tool steels via chromizing Open

Tomas Grejtak, Jun Qu · 2023

Steels are commonly used in high-performance demanding applications due to their favourable mechanical properties. Various surface engineering techniques have been developed for steels, among which chromizing is an affordable high-throughp…

Role of surface wetting on tribological behavior for laser nanotextured steel using ionic liquid lubricants Open

Avik Samanta, Wuji Huang, Kyungjun Lee, Xin He, Chanaka Kumara , et al. · 2023

Investigation of Lubricant Additive Interactions on Gasoline Particulate Filters Open

Michael J. Lance, Todd J. Toops, Melanie Moses‐DeBusk, Brian Kaul, Christine Lambert , et al. · 2023

To understand how the composition of novel lubricant additives and their ash interact with gasoline particulate filters (GPFs), an accelerated aging protocol was conducted using three lubricant additive formulations and two GPF types. The …

The characterization of wear-causing particles and silica sand in particular Open

Peter J. Blau, Tomas Grejtak, Jun Qu · 2023

Investigation of Biomass Fouling on Screw Feeder in Preconversion of Pyrolysis Open

Rick Wang, Xin He, Lianshan Lin, Alexis Flores‐Betancourt, Kyungjun Lee , et al. · 2023

Biomass is a source of renewable energy and can undergo thermochemical processes to be converted into gaseous and liquid fuels. Thermal decomposition-induced biomass fouling on the screw feeder is a major challenge in preconversion of pyro…

Radiation force of a special correlated beam with off-axis multiple vortices on Rayleigh particles Open

Zheng-Lan Zhou, Shaohua Zhang, Yuan Zhou, Ya-shuai Han, Zheng-xian Zhou , et al. · 2023

Tribocorrosion of stainless steel sliding against graphite in FLiNaK molten salt Open

Xin He, Chanaka Kumara, Dino Sulejmanovic, James R. Keiser, Nidia C. Gallego , et al. · 2023

Improving knife milling performance for biomass preprocessing by using advanced blade materials Open

Tomas Grejtak, Jeffrey A. Lacey, Miranda W. Kuns, Damon Hartley, David N. Thompson , et al. · 2023

Impact of Boron-Containing Lubricant Additive on Three-Way Catalyst Reactivity and Physicochemical Properties Open

Daekun Kim, Todd J. Toops, Ke Nguyen, Michael J. Lance, Jun Qu · 2023

Boron-containing compounds are one of the lubricant additive options due to their suitable properties for additives and have been used as commercial lubricant additives. In the present study, the impact of a boron-containing lubricant oil …

Oven rack having integral lubricious, dry porcelain surface Open

Jeffrey A Ambrose, G. Mackiewicz-Ludtka, Vinod K. Sikka, Jun Qu · 2023

A lubricious glass-coated metal cooking article capable of withstanding repeated heating and cooling between room temperature and at least 500.degree. F. without chipping or cracking the glass coating, wherein the glass coating includes ab…

Titanium aluminide intermetallic alloys with improved wear resistance Open

Jun Qu, Hua‐Tay Lin, Peter J. Blau, Vinod K. Sikka · 2023

The invention is directed to a method for producing a titanium aluminide intermetallic alloy composition having an improved wear resistance, the method comprising heating a titanium aluminide intermetallic alloy material in an oxygen-conta…

Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives Open

Jun Qu, Huimin Luo · 2023

An ionic liquid composition having the following generic structural formula: ##STR00001## wherein R¹, R², R³, and R⁴ are equivalent and selected from hydrocarbon groups containing at least three …

Ion beam sputter target and method of manufacture Open

Clifton Higdon, Alaa A. Elmoursi, Jason R. Goldsmith, Bruce D. Cook, Peter J. Blau , et al. · 2023

A target for use in an ion beam sputtering apparatus made of at least two target tiles where at least two of the target tiles are made of different chemical compositions and are mounted on a main tile and geometrically arranged on the main…

Method for synthesis of titanium dioxide nanotubes using ionic liquids Open

Jun Qu, Huimin Luo, Sheng Dai · 2023

The invention is directed to a method for producing titanium dioxide nanotubes, the method comprising anodizing titanium metal in contact with an electrolytic medium containing an ionic liquid. The invention is also directed to the resulti…

Metal nanoparticles as lubricant additives Open

Chanaka Kapila Kumara Ihala Gamaralalage, Jun Qu · 2023

A lubricant composition comprising: (i) silver or gold nanoparticles, each of which is encapsulated by a layer of alkylthiol or alkylamine molecules; (ii) palladium or platinum nanoparticles, each of which is encapsulated by a layer of alk…

Lubricants or lubricant additives composed of ionic liquids containing ammonium cations Open

Jun Qu, Jr Truhan, J John, Sheng Dai, Huimin Luo , et al. · 2023

A lubricant or lubricant additive is an ionic liquid alkylammonium salt. The alkylammonium salt has the structure R.sub.xNH.sub.(4-x).sup.+,[F.sub.3C(CF.sub.2).sub.yS(O).sub.2].sub.2N.sup- .- where x is 1 to 3, R is independently C.sub.1 t…

Corrosion prevention of magnesium surfaces via surface conversion treatments using ionic liquids Open

Jun Qu, Huimin Luo · 2023

A method for conversion coating a magnesium-containing surface, the method comprising contacting the magnesium-containing surface with an ionic liquid compound under conditions that result in decomposition of the ionic liquid compound to p…

Organic-modified ZnS nanoparticles as a high-performance lubricant additive Open

Chanaka Kumara, Beth L. Armstrong, In-Woong Lyo, Hong Wook Lee, Jun Qu · 2023

Oil-miscible and oil-transparent organic modified ZnS nanoparticles were developed as an antiwear additive to improve lubricant performance.

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