Enhanced selectivity in the conversion of methanol to 2,2,3-trimethylbutane (triptane) over zinc iodide by added phosphorous or hypophosphorous acid [PDF]
, 2007 The yield of triptane from the reaction of methanol with zinc iodide is dramatically increased by addition of phosphorous or hypophosphorous acid, via transfer of hydride from a P–H bond to carbocationic ...
Bercaw, John E. +4 more
core +2 more sources
Scientific Reports, 2022 Colonization of auto-polymerized acrylic resin by pathogenic Candida albicans is a common problem for denture users. In this study, zinc-modified phosphate-based glass was introduced into an auto-polymerized acrylic resin at concentrations of 3, 5, and 7
Myung-Jin Lee +5 more
doaj +1 more source
Food for thought: how nutrients regulate root system architecture [PDF]
, 2017 The spatial arrangement of the plant root system (root system architecture, RSA) is very sensitive to edaphic and endogenous signals that report on the nutrient status of soil and plant.
Amtmann, Anna, Shahzad, Zaigham
core +1 more source
Zn–Al-based layered double hydroxides (LDH) active structures for dental restorative materials
Journal of Materials Research and Technology, 2019 The development of smart dental materials able to react to its environment and release remineralizing ions is attractive point of research. The phosphate interaction with Zn–Al layered double hydroxide was evaluated by the reconstruction method, at 300 ...
Marcela Piassi Bernardo, Caue Ribeiro
doaj +1 more source
Anticorrosion Properties and Morphology of Phosphate Coating Formed on Nitrided Surface of 42CrMo4 Steel [PDF]
Archives of Metallurgy and Materials, 2020 The subject of the study concerns the enhancement of corrosion and wear resistance of nitrided 42CrMo4 steel by the formation of zinc phosphate top layer. The present work is aimed at the assessment of the effect of increasing thickness of nitrided layer
A. Kapuściński +4 more
doaj +1 more source
Structure of 3,4-Dihydroxy-2-butanone 4-Phosphate Synthase from Methanococcus jannaschii in Complex with Divalent Metal Ions and the Substrate Ribulose 5-Phosphate: implications for the catalytic mechanism [PDF]
, 2003 Skeletal rearrangements of carbohydrates are crucial for many biosynthetic pathways. In riboflavin biosynthesis ribulose 5-phosphate is converted into 3,4-dihydroxy-2-butanone 4-phosphate while its C4 atom is released as formate in a sequence of metal ...
Bacher, Adelbert +5 more
core
Fertilizers, soil analysis and plant nutrition / [PDF]
, 1947 C36
Hoagland, D. R. (Dennis Robert), 1884-1949
core +2 more sources
Microleakage at implant abutment and prosthesis interface in cemented implant-supported prosthesis
Journal of Pharmacy and Bioallied Sciences, 2021 Background: Dental implants have an important role in mainstream dental practice today to restore esthetics. The present study was conducted to evaluate the microleakage at implant abutment and prosthesis interface in cemented implant-supported ...
Soni Kumari +5 more
doaj +1 more source
Analysis of phytochemicals, minerals and in vitro antioxidant activities of Gongronema latifolium leaves [PDF]
, 2017 Gongronema latifolium is primarily used as spice and vegetable as well as a herb in traditional medicine in the treatment of malaria, diabetes and hypertension.
Chinwe, Igwe V., Usunomena, Usunobun
core +1 more source
Frontiers in Plant Science, 2015 Phosphate and sulfate are essential macro-elements for plant growth and development, and deficiencies in these mineral elements alter many metabolic functions. Nutritional constraints are not restricted to macro-elements.
Jean-Francois eBRIAT +4 more
doaj +1 more source