Results 81 to 90 of about 20,918,698 (229)

Elucidating the size distribution of p‑Phenylenediamine-Derived quinones in atmospheric particles

Environment International
Transformed from p-phenylenediamines (PPDs) antioxidant, PPD-derived quinones (PPD-Qs) have recently been recognized as emerging contaminants due to their potential negative impacts on the environment and human health.
Kaihui Xia, Meng Qin, Mingming Han, Xianming Zhang, Xiaoguo Wu, Mingyuan Liu, Shang Liu, Xinkai Wang, Wei Liu, Zhouqing Xie, Renmin Yuan, Qifan Liu   +11 more
doaj   +1 more source

Metal-Oxo Photo-oxidants, Photochemistry and Photophysics of trans-[Os^(VI)(tmc)(O)_2]^(2+)(tmc = 1,4,8,11-tetramethyl-1,4,8,11-tetra-azacyclotetradecane) and trans-[Os^(VI)(CN)_4(O)_2]^(2-) [PDF]

, 1987
trans-[Os^(VI)(tmc)(O)_2]^(2+)(tmc = 1,4,8,11-tetramethyl-1,4,8,11-tetra-azacyclotetradecane) and trans-[Os^(VI)(CN)_4(O)_2]^(2-) are emissive in the solid state and in fluid solutions at room temperature (τ~ 1.0–1.5 µs); the (^3)E_g state of trans-[Os ...
Che, Chi-Ming, Cho, Kar-Cheong, Gray, Harry B., Yam, Vivian Wing-Wah   +3 more
core  

Isomeric oxydiphthalic anhydride polyimides [PDF]

Much of the polyimide research at Langley Research Center has focused on isomeric modification of the diamine component; polyimides having considerably improved processability and adhesion have resulted.
Gerber, Margaret K., Pratt, J. Richard, Stclair, Terry L.   +2 more
core   +1 more source

Effect of Arsenate and p-Phenylenediamine on the Expression of Aquaporins in Cultured Human Urothelial Cells. [PDF]

Cureus, 2023
Wu YH, Lai KH, Chen CC, Lai TM, Huang PW.   +4 more
europepmc   +1 more source

Léon Aimé Claris Vignon

Educación Química
Léo Aimé Claris Vignon (1853-1925) was a French industrialist and chemist who investigated the chemistry of mannitan, mannitol, and their derivatives, and of cellulose oxycellulose, and hydrocellulose.
Jaime Wisniak
doaj   +1 more source

The development of structural adhesives systems suitable for use with liquid oxygen Annual summary report, 1 Jul. 1963 - 30 Jun. 1964 [PDF]

Fluorinated, chlorinated, and halogenated polymer adhesives prepared and tested for compatibility with liquid ...
Gosnell, R. B., Harrison, E. S., Hollander, J., Sanders, B. Y., Trischler, F. D.   +4 more
core   +1 more source

Spectrophotometry Based Oxidative Coupling Method for Determining Thymol Utilizing a Coupling Agent

Indonesian Journal of Chemistry
Developing a spectroscopic approach to assess the medicinal substance thymol was one of the research's objectives. Using an oxidative coupling reaction between thymol solution and N,N-dimethyl-p-phenylenediamine dihydrochloride solution (N,N-DMPPDADH) in
Batool Mansour Zayan, Israa Talib Humeidy, Mohammad Salim Abdel Aziz   +2 more
doaj   +1 more source

One pot, two-step synthesis of 2-(subs.)-1H-benzimidazoles using wet copper slag as magnetically separable and recyclable catalyst

Results in Chemistry
This work describes the first-ever use of Wet copper slag for 2-(subs.)-1H-benzimidazoles synthesis. It is a by-product of the copper refining and smelting processes utilized as a basic catalyst in the present work.
Sadeecha D. Wani, Tanuja D. Angre, Ganesh Chaturbhuj   +2 more
doaj   +1 more source

Study on Thermal Conductivity of P-Phenylenediamine Modified Graphene/Epoxy Composites. [PDF]

Polymers (Basel), 2022
Lin J, Zhou J, Guo M, Chen D, Chen G.
europepmc   +1 more source

Participation of Lattice Oxygen in Perovskite Oxide as a Highly Sensitive Sensor for p-Phenylenediamine Detection. [PDF]

Molecules, 2023
He J, Xu X, Sun H, Miao T, Li M, Zhou S, Zhou W.   +6 more
europepmc   +1 more source