Results 21 to 30 of about 390 (142)

Antimicrobial Activities of Essential Oil Extracted with Water Steam Distillation from Leaves, Peel, and Twigs of Kaffir Lime [PDF]

open access: yes
Kaffir lime (Citrus hystrix DC.) essential oil (peel, leaves, twigs) contains several secondary metabolic compounds, namely phenol. The content of phenol compounds in kaffir lime essential oil (from peel, leaves, and twigs) is one of the compounds that ...
Hii Ching Lik   +5 more
core   +1 more source

Dual Ligand‐Enabled Nondirected C─H Olefination of (Hetero)Arenes for the Synthesis of Clickable Derivatives

open access: yesChemistry – A European Journal, Volume 32, Issue 15, 22 April 2026.
We report an efficient method for late‐stage installation of “clickable” alkyne groups into diverse (hetero)arenes. Using a dual‐ligand palladium catalyst that combines an NASA ligand with an N‐heterocycle, an acrylate unit bearing a terminal alkyne can be introduced via nondirected C─H activation.
Tommaso Braga   +2 more
wiley   +1 more source

Biosynthetically‐Inspired Oxidative Cleavage Platform Enables Rapid Access to Diverse and Architecturally Complex Chemotypes From Indole Alkaloids

open access: yesChemistryEurope, Volume 4, Issue 4, April 2026.
We report a biosynthesis‐inspired ring distortion approach that involves oxidative ring cleavage, ring rearrangement, and ring expansion reactions from a diverse collection of indole alkaloids and derivatives. This chemical synthesis approach led to the synthesis of >25 distinct chemotypes from 14 indole alkaloids.
Derek A. Leas   +7 more
wiley   +1 more source

Analysis of Some Natural Products for Prevention of Diseases Associated with COVID-19 [PDF]

open access: yes, 2021
Coronavirus, also known as COVID-19, is a new disease that has crippled almost every aspect of human activities today. Common symptoms of the virus include high fever (38oC and above), dry persistent cough, shortness of breath and sore throat.
Omoruyi, B.E
core   +1 more source

Identification of Citri Reticulatae Pericarpium (Chenpi) From Different Cultivars via LC–MS/MS and UPLC Coupled With Multivariate Chemometrics Analysis

open access: yesFood Science &Nutrition, Volume 14, Issue 3, March 2026.
A UPLC‐based quantitative analysis combined with multivariate chemometric methods differentiated seven Citri Reticulatae Pericarpium cultivars based on significant variations in nine flavonoids. Chemometric analysis effectively separated the seven cultivars, and hesperetin was identified as a unique marker for C. reticulata “Chachi”.
Danlin Lin   +7 more
wiley   +1 more source

Effects of rootstocks and developmental time on the dynamic changes of main functional substances in ‘Orah’ (Citrus reticulata Blanco) by HPLC coupled with UV detection [PDF]

open access: yes
IntroductionCitrus fruit is rich in important functional constituents such as flavonoids, phenolic acids terpenes and other functional substances that play an important role for treating clinical diseases or controlling major agricultural diseases and ...
Haijian Yang   +9 more
core   +1 more source

Residual Chemical Shift Anisotropies in the Structure Determination of Small Molecules

open access: yesMagnetic Resonance in Chemistry, Volume 64, Issue 3, Page 286-311, March 2026.
Plasma neutrophil elastase(ELANE) was markedly elevated in patients with alcohol use disorder, indicating a dysregulated protease‐antiprotease inflammatory balance characterised by decreased SERPINA3. ELANE showed excellent diagnostic specificity(AUC = 0.8683), supporting its potential utility as a neuroinflammatory biomarker for AUD.
Nilamoni Nath   +3 more
wiley   +1 more source

The role of cytokines in ovarian cancer drug resistance

open access: yesInternational Journal of Cancer, Volume 158, Issue 4, Page 821-834, 15 February 2026.
Abstract Ovarian cancer is the leading cause of death among women diagnosed with female reproductive system cancers. While significant advances have been made in treating various types of cancer, progress in ovarian cancer treatment over the past 20 years has been minimal, and the treatment course of ovarian cancer is not linear. Although many patients
Lu Wang   +7 more
wiley   +1 more source

Euodiae Fructus: a review of botany, application, processing, phytochemistry, quality control, pharmacology, and toxicology [PDF]

open access: yes
Euodiae Fructus (EF) is the dried and nearly ripe fruit of Euodia rutaecarpa, first recorded in Shen Nong’s Herbal Classic. EF is a versatile Traditional Chinese Medicine (TCM) known for the effects of dispelling colds and alleviating pain, suppressing ...
Chenhao Liu   +4 more
core   +1 more source

On Multilevel Energy‐Based Fragmentation Methods

open access: yesInternational Journal of Quantum Chemistry, Volume 126, Issue 3, February 5, 2026.
We investigate the working equations of energy‐based fragmentation methods and present ML‐SUPANOVA, a Möbius‐inversion‐based multilevel fragmentation scheme that enables adaptive, quasi‐optimal truncations to efficiently approximate Born‐Oppenheimer potentials across hierarchies of electronic‐structure methods and basis sets.
James Barker   +2 more
wiley   +1 more source

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