Quantitative analysis of quaternary mixtures in topical creams using cutting-edge HPLC technique: environmental impact and sigma methodology by Maha A. Alwaili, Osama A. Mahmoud, Samar M. Mahgoub, Manal A. Almalki, Hassan A. Rudayni, Ahmed A. Allam, Mustafa Ahmed Abdel-Reheim, Osama A. Mohammed, Mahmoud A. Mohamed

Get full text

Quaternary morpho-stratigraphic evolution of the eastern Campo Imperatore basin (Gran Sasso range, central Italian Apennines) and tectonic implication by Paolo Galli, Paolo Messina, Biagio Giaccio, Edoardo Peronace

Subjects: “…Quaternary stratigraphy…”
Get full text

The utilization of microbial cell-free DNA next-generation sequencing for the detection of human herpesvirus-8 in a quaternary care center by Rebecca Berger, Jennifer Jacobe, Fernando H. Centeno, Todd Lasco, Mayar Al Mohajer

“…Methods: Between 2017 and 2024, we reviewed the medical charts of 10 immunosuppressed patients at a quaternary care center who had positive HHV8 mcfDNA NGS results. …”
Get full text

Interaction of Molybdo-Phosphoric and Molybdo-Antimono-Phosphoric Heteropoly Acids with Silica Gels Modified with Aliphatic and Heterocyclic Quaternary Ammonium Salts by Olga A. Zaporozhets, Igor A. Kachan, Lionel S. Zinko, Julia P. Bas, Valentyn I. Davydov

“…The interaction of molybdo-phosphoric and molybdo-antimonophosphoric heteropoly acids with aliphatic (tetradecylammonium nitrate and trinonyloctadecylammonium iodide) and heterocyclic (lucigenine and safranine) quaternary ammonium salts immobilized onto silica has been studied using adsorption and spectroscopic methods. …”
Get full text

The impact of dimethylaminohexadecyl methacrylates on the physical and antibacterial properties of endodontic sealers by Faisal Alharamlah, Fawaz AlTuwaijri, Haitham AlQuorain, Abdul Samad Khan, Faisal Alonaizan, Rashed Alsahafi, Michael D. Weir, Hockin H. K. Xu, Abdulrahman A. Balhaddad

Subjects: Get full text

Modification of Chitosan-Coated Magnetic Material with Glycidyl-trimethylammonium Chloride for Cr(VI) Adsorption by Salwa Kamilia, Feri Mukhayani, Sutarno Sutarno, Nuryono Nuryono

Subjects: Get full text

L’embouchure de l'Amazone, macro-frontière géomorphologique : enseignements de 30 années de recherches franco-brésiliennes sur les systèmes côtiers amazoniens (2e partie) by M. T. R. C. Prost, J-F. Faure, C. Charron, H.V. Borges, V. F. Santos, A.C. Mendes, A. Gardel

Subjects: Get full text

Characteristics and paleoclimate significance of authigenic ferrimagnetic minerals in the Xuancheng red earth, southern China by Daqian Zhang, Zhenggang Duan, Jiangjun Chen, Jingrong Wang, Gubu Muga, Yunqi Yang, Yiming Wang, Zhendong Liu, Thomas J. Algeo, Hanlie Hong, Lian Zhou, Ke Yin

Subjects: “…Quaternary…”
Get full text

L’embouchure de l'Amazone, macro-frontière géomorphologique : enseignements de 30 années de recherches franco-brésiliennes sur les systèmes côtiers amazoniens by M. T. R. C. Prost, J-F. Faure, C. Charron, H.V. Vargas, V. F. Santos, A.C. Mendes, A. Gardel

Subjects: Get full text

Novel N-quaternary coumarin-3-yl-imidazo[1,2-a]pyridines as fluorescent hybrids: Their synthesis and biological evaluation in cancer cells by Karla Armendariz-Barrientos, Luis A. Pérez, Selene Lagunas-Rivera, Yolanda Alcaraz-Contreras, Marco A. García-Revilla, Heriberto Prado-Garcia, Rocío García-Becerra, Miguel A. Vazquez

Subjects: “…N-quaternary coumarin-3-yl-imidazo[1…”
Get full text

Preparation and Characterization of Cu2ZnSnS4 Thin Films and Solar Cells Fabricated from Quaternary Cu-Zn-Sn-S Target by Min Xie, Daming Zhuang, Ming Zhao, Zuolong Zhuang, Liangqi Ouyang, Xiaolong Li, Jun Song

“…CZTS thin films were fabricated through sputtering from a quaternary Cu-Zn-Sn-S target, followed by a sulfurization process. …”
Get full text

A Green and Efficient Method for the Preparation of 3,4-Dihydropyrimidin-2(1H)-ones Using Quaternary Ammonium-Treated Clay in Water by Soheil Sayyahi, Sedigheh Jahanbakhshi, Zahra Dehghani

“…A variety of 3,4-dihydropyrimidin-2(1H)-ones derivatives were synthesized via three-component Biginelli reaction. The quaternary ammonium-treated clay-catalyzed process proved to be simple, efficient, and environmentally friendly.…”
Get full text

Studies in Asymmetric Epoxidation of Chalcone Using Quaternary Salts and Nonionic Surfactants Based on 6-Amino-6-deoxy-glucose as Chiral Phase Transfer Catalysts by Lalit Sharma, Subhash Chander Sharma, Saroj

“…Quaternary salts and nonionic surfactants based on 6-amino-6-deoxy-glucose were explored as chiral phase transfer catalysts for the asymmetric epoxidation of chalcone. …”
Get full text

Comparative Hydrological and Geoelectrical Study on the Quaternary Aquifer in the Deltas of Wadi Badaa and Ghweiba, El Ain El Sukhna Area, Northwest Suez Gulf, Egypt by M. M. El Osta, A. El. El Sheikh, M. S. Barseem

“…The different activities in that area depend mainly on the groundwater of the Quaternary aquifer, which forms the main water bearing strata. …”
Get full text

Impact of radiofrequency sputtering power on the stoichiometry of a Cu2ZnSnS4 layer film prepared from a single quaternary target by Saleh N. Alamri

“…The impact of the radiofrequency (RF) power on the stoichiometry, structure and optical properties of Cu2ZnSnS4 layers, which were fabricated by the magnetron RF sputtering of a single quaternary target, are examined using different techniques, such as energy dispersive X-ray spectroscopy, X-ray diffraction, field emission scanning electron microscopy, Raman spectroscopy and spectrophotometry. …”
Get full text

The interplay of geology, climate and tectonics on river incision: the example of the High Verdon Gorges, Southwestern French Alps by Cardinal, Thibaut, Petit, Carole, Rolland, Yann, Schwartz, Stéphane, Valla, Pierre Gaston, Scalabrino, Bruno, Audin, Laurence, Bertauts, Maxime, Zerathe, Swann, Thiéblemont, Denis, Braucher, Régis, Team, ASTER

Subjects: “…Quaternary…”
Get full text

Global patterns of taxonomic and phylogenetic endemism in liverwort assemblages by Hong Qian, Shenhua Qian

Subjects: Get full text

The characteristics of dermatology inpatients seen at the quaternary Inkosi Albert Luthuli Central Hospital in Durban, South Africa, over a 5-year period – 2015 - 2020 by L Mthembu, J T Masuka, K Duze, A Mosam

“…To describe the clinical spectrum and characteristics of inpatient dermatology diseases managed at a quaternary South African (SA) hospital. Methods. We retrospectively reviewed and analysed electronic records of all dermatology inpatients managed by dermatologists from 2015 to 2020 at Inkosi Albert Luthuli Central Hospital (IALCH) in Durban, South Africa. …”
Get full text

The Main Pelagonian Detachment (MPD): extensional reactivation of the frontal thrust of the Internal Zones of the Hellenides (Greece) by Chanier, Frank, Ferrière, Jacky, Averbuch, Olivier, Graveleau, Fabien, Caroir, Fabien, Gaullier, Virginie, Watremez, Louise

Subjects: Get full text

Pressure Prediction of Electronic, Anisotropic Elastic, Optical, and Thermal Properties of Quaternary (M2/3Ti1/3)3AlC2 (M = Cr, Mo, and Ti) by Liang Sun, Yimin Gao, Yangzhen Liu, Guoliang Wang, Yiran Wang, Wenyan Zhai, Wen Wang

“…The electronic, mechanical, anisotropic elastic, optical, and thermal properties of quaternary (M2/3Ti1/3)3AlC2 (M = Cr, Mo, and Ti) under different pressure are systematically investigated by first-principles calculations. …”
Get full text