Search Results - "acidity"

Accuracy of pH strip testing and pH liquid testing versus standard pH meter of gastric contents in critically ill patients: a diagnostic accuracy study.

Authors: Phukpattanachai K Praditseree N Skjolaas S et al.

Source: BMJ open [BMJ Open] 2024 Jul 16; Vol. 14 (7), pp. e081830. Date of Electronic Publication: 2024 Jul 16.

Publication Type: Journal Article; Comparative Study; Research Support, Non-U.S. Gov't

Journal Info: Publisher: BMJ Publishing Group Ltd Country of Publication: England NLM ID: 101552874 Publication Model: Electronic Cited Medium: Internet ISSN: 2044-6055 (Electronic) Linking ISSN: 20446055 NLM ISO Abbreviation: BMJ Open Subsets: MEDLINE

MeSH Terms: Critical Illness* , Gastric Acidity Determination* , Gastrointestinal Contents*/chemistry, Humans ; Female ; Male ; Hydrogen-Ion Concentration ; Middle Aged ; Aged ; Reagent Strips ; Adult ; Reproducibility of Results

An indolium-based near-infrared fluorescent probe for non-invasive real-time monitoring of gastric pH in vitro and in vivo .

Authors: Lv J Yang Y Wu W et al.

Source: Analytical methods : advancing methods and applications [Anal Methods] 2025 May 09; Vol. 17 (18), pp. 3653-3659. Date of Electronic Publication: 2025 May 09.

Publication Type: Journal Article

Journal Info: Publisher: RSC Pub Country of Publication: England NLM ID: 101519733 Publication Model: Electronic Cited Medium: Internet ISSN: 1759-9679 (Electronic) Linking ISSN: 17599660 NLM ISO Abbreviation: Anal Methods Subsets: MEDLINE

MeSH Terms: Fluorescent Dyes*/chemistry , Indoles*/chemistry, Humans ; Hydrogen-Ion Concentration ; Animals ; HeLa Cells ; Mice ; Gastric Acidity Determination ; Optical Imaging/methods

A novel placement method of a calibration-free pH capsule for continuous wireless measurement of intragastric pH in horses.

Authors: Hodgson E Thirouin M Narayanan P et al.

Source: Journal of veterinary internal medicine [J Vet Intern Med] 2025 Jan-Feb; Vol. 39 (1), pp. e17273.

Publication Type: Journal Article

Journal Info: Publisher: Wiley Periodicals Country of Publication: United States NLM ID: 8708660 Publication Model: Print Cited Medium: Internet ISSN: 1939-1676 (Electronic) Linking ISSN: 08916640 NLM ISO Abbreviation: J Vet Intern Med Subsets: MEDLINE

MeSH Terms: Wireless Technology*/instrumentation, Animals ; Horses/physiology ; Hydrogen-Ion Concentration ; Male ; Female ; Gastric Acidity Determination/veterinary ; Gastric Acidity Determination/instrumentation ; Gastroscopy/veterinary ; Gastroscopy/instrumentation ; Gastroscopy/methods ; Stomach

Data-driven approaches for coffee quality enhancement and sustainability.

Authors: Wong, Kenneth Meng Yong Tan, Ru Poh Lim, Siew Mooi et al.

Source: AIP Conference Proceedings. 2025, Vol. 3367 Issue 1, p1-19. 19p.

Subject Terms: *FLAVOR, *ACIDITY, *SUPERVISED learning, *SUSTAINABILITY, *MACHINE learning, *FOOD aroma, *MEASUREMENT uncertainty (Statistics)

The study on the effect of soil pH towards corn grain cultivation in Malaysia.

Authors: Feisol, Siti Nurdina Mohamad Khadzir, Mohd Khusairy Ahmad, Muhammad Haniff et al.

Source: AIP Conference Proceedings. 2025, Vol. 3322 Issue 1, p1-8. 8p.

Subject Terms: *SOIL acidity, *CORN, *MALAYSIANS, *RESEARCH & development, *ANIMAL feeds, *CROP yields, *SOWING, *AGRICULTURE

Geographic Terms: MALAYSIA

About a Trillion Times More Acidic than Expected? On the Difference Between the Hammett H0 and the Unified pH Acidity of Sulfuric Acid.

Authors: Radtke, Valentin Bäuerle, Monika Stroh, Regina et al.

Source: Angewandte Chemie International Edition. Nov2025, p1. 16p. 9 Illustrations.

Subject Terms: *SULFURIC acid, *ACIDITY, *GIBBS' free energy, *PROTON transfer reactions, *ELECTROCHEMICAL electrodes, *ACIDITY function, *OXONIUM ions

Synthetic Motifs for Understanding Lewis Acid Interactions with Persulfides and Thioselenides.

Authors: Li, Keyan Sattler, Addison J. Zakharov, Lev N. et al.

Source: Angewandte Chemie International Edition. Nov2025, p1. 7p. 10 Illustrations.

Subject Terms: *LEWIS acidity, *ZINC compounds, *NMR spectrometers, *THIOSULFATES, *BIOCHEMISTRY, *NUCLEOPHILIC reactions, *CHEMICAL synthesis, *DISULFIDES

Electric Fields Interrupt with Lewis Acidity and Reverse Back to Lewis Base Function.

Authors: Swain, Lopita Paul, Esha Gopakumar, Karthik et al.

Source: Chemistry - An Asian Journal. 11/17/2025, Vol. 20 Issue 22, p1-7. 7p.

Subject Terms: *ELECTRIC fields, *LEWIS acidity, *CHEMICAL kinetics, *DENSITY functional theory, *ELECTRON transport, *ELECTROSTATIC interaction, *CATALYSIS, *DIELS-Alder reaction

People: LEWIS, David B., 1945-

The Methylbismuth Dication: Pentagonal Pyramidal Coordination and Ligand‐Induced Lewis Superacidity.

Authors: Schwarzmann, Johannes Kirsch, Tamina Z. Narz, Benedikt et al.

Source: Angewandte Chemie International Edition. Nov2025, p1. 8p. 6 Illustrations.

Subject Terms: *ORGANOBISMUTH compounds, *LEWIS acidity, *CHEMICAL kinetics, *UNIVERSITY research, *PYRAMIDS (Geometry), *MOLECULAR shapes

People: LEWIS, David B., 1945-

Rational Design of Cationic Silyl Lewis Acids.

Authors: Girschik, Corinna Rathjen, Saskia Möllmann, Lina et al.

Source: Chemistry - A European Journal. 11/17/2025, Vol. 31 Issue 64, p1-9. 9p.

Subject Terms: *LEWIS acidity, *LEWIS acids, *CHEMICAL stability, *NUCLEAR magnetic resonance, *NAPHTHALENE derivatives, *CRYSTAL structure

Effects of soil acidity and gypsum on maize drought resilience and root hydraulic conductance in response to soil fertilization with triple super phosphate.

Authors: Sinclair, Thomas Jafarikouhini, Nahid Amick, Ashlynn et al.

Source: Journal of Plant Nutrition. 2025, Vol. 48 Issue 19, p3443-3450. 8p.

Subject Terms: *SOIL acidity, *GYPSUM, *HYDRAULIC conductivity, *CORN, *SOIL fertility, *SUPERPHOSPHATES, *DROUGHTS

Tailoring Inner Helmholtz Layer via the Lewis Acid–Base Theory Endow an Elastic SEI for Dendrites‐Free Lithium Metal Anode.

Authors: Zhang, Qidi Wang, Hejing Kong, Xiangyang et al.

Source: Advanced Energy Materials. Nov2025, p1. 14p. 7 Illustrations.

Subject Terms: *LITHIUM cells, *LEWIS acidity, *ELECTRIC double layer, *IONIC bonds

People: LEWIS, David B., 1945-

The arbuscular mycorrhizal fungal communities associated with Taxus brevifolia (western yew) are sensitive to soil pH and neighborhood forest composition.

Authors: Snyder, Eva Simard, Suzanne W. Guichon, Shannon

Source: Scientific Reports. 11/10/2025, Vol. 15 Issue 1, p1-11. 11p.

Subject Terms: *MYCORRHIZAL fungi, *SOIL acidity, *VESICULAR-arbuscular mycorrhizas, *DNA sequencing, *POPULATION ecology, *FOREST biodiversity, *CONIFEROUS forests, *TEMPERATE rain forests

Effect of Acidity and Crystal Morphology of ZSM‐5 in Toluene Alkylation with Methyl Mercaptan.

Authors: Bayout, Abdelilah Cammarano, Claudia Costa, Izabel Medeiros et al.

Source: ChemCatChem. 11/10/2025, Vol. 17 Issue 21, p1-13. 13p.

Subject Terms: *ACIDITY, *CRYSTAL morphology, *METHANETHIOL, *ZEOLITES, *CATALYSTS, *P-Xylene, *CATALYTIC activity, *TEMPERATURE effect

Use of non-Saccharomyces yeasts to modulate oenological parameters in Albillo Mayor white wines.

Authors: del Fresno, Juan Manuel Rodríguez, Yaiza Soler, María et al.

Source: European Food Research & Technology. Nov2025, Vol. 251 Issue 11, p3619-3631. 13p.

Subject Terms: *FERMENTATION, *ACIDITY, *GRAPES, *SACCHAROMYCES, *WINERIES, *VOLATILE organic compounds, *WHITE wines, *TERPENES

Air-stable pnictogen^III dications supported by terpyridine.

Authors: Howlett, William P. Land, Michael A. Robertson, Katherine N. et al.

Source: Canadian Journal of Chemistry. 2025, Vol. 103 Issue 11, p759-767. 9p.

Subject Terms: *BISMUTH, *LEWIS acidity, *CHEMICAL stability, *SPECTROMETRY, *GROUP 15 elements, *CATALYTIC activity, *LIGANDS (Chemistry), *X-ray crystallography

People: LEWIS, David B., 1945-

Redox‐Acidity Interplay in Eu‐Promoted PtSn2 Catalysts for Selective and Stable Propane Dehydrogenation.

Authors: Valls, María I. Ara, Jesús Escolástico, Sonia et al.

Source: Angewandte Chemie International Edition. Oct2025, p1. 9p. 5 Illustrations.

Subject Terms: *ACIDITY, *EUROPIUM, *OXIDATION-reduction reaction, *PROPENE, *PLATINUM catalysts, *FOULING, *CATALYSTS

An aldehyde-stabilised alkoxyaluminium dication.

Authors: Benny, Annabel Vijayan, Devika Thayalan, Rajeshkumar et al.

Source: Chemical Communications. 10/21/2025, Vol. 61 Issue 82, p16074-16077. 4p.

Subject Terms: *ALDEHYDES, *LEWIS acidity, *REACTIVITY (Chemistry), *CHEMICAL synthesis, *CATIONS, *ALKOXY compounds, *HYDROSILYLATION, *ALKOXIDES

Acidity Controlled Formal Nucleophilic Substitution of Hydrofluoroolefin‐Based Iodonium Salt with O‐nucleophiles: Synthetic Application and Mechanistic Study.

Authors: Csenki, János T. Englert, Dóra F. Steinsits, Dániel et al.

Source: Chemistry - A European Journal. 10/8/2025, Vol. 31 Issue 56, p1-9. 9p.

Subject Terms: *ACIDITY, *NUCLEOPHILIC substitution reactions, *HYDROGEN fluoride, *CHEMICAL synthesis, *NUCLEOPHILES, *REACTION mechanisms (Chemistry), *IODONIUM salts, *ALKYLATION

Quantitative Trait Locus Mapping and Candidate Gene Identification for Fruit Acidity in Chinese Dwarf Cherry (Cerasus humilis) Using a High-Density Genetic Map.

Authors: Guo, Caizhen Hu, Fenglan Li, Yuqi

Source: Genes. Oct2025, Vol. 16 Issue 10, p1157. 13p.

Subject Terms: *LOCUS (Genetics), *ACIDITY, *FRUIT flavors & odors, *SINGLE nucleotide polymorphisms, *GENE mapping, *GENE targeting, *FRUIT trees

Geographic Terms: CHINA