Results 121 to 130 of about 506,032 (344)

Dual-Ionization SPME-GC–HRMS Metabolomic Profiling of Broccoli Volatiles for the Construction of a Broccoli Metabolic Database

open access: yesMolecules
Volatile organic compounds (VOCs) play critical roles in broccoli’s sensory attributes, defense mechanisms, and ecological interactions, yet comprehensive profiling of its volatilome remains limited.
Chenxue Song   +6 more
doaj   +1 more source

Fundamental View on the Calculation of Internal Partition Functions Using Occupational Probabilities

open access: yes, 2013
From first principles, the author gathers a few general rules that need to be abided by in the calculation of the internal partition functions (IPFs) of individual molecules.
Zaghloul, Mofreh R.
core   +1 more source

Strategies for Loading and Releasing Peptide Therapeutics in Biodegradable Carriers

open access: yesAdvanced Functional Materials, EarlyView.
A biodegradable carrier‐based peptide delivery system is a powerful treatment platform for diverse diseases, owing to its superior therapeutic efficacy and low toxicity. This review examines the conventional peptide‐loaded carrier fabrication process and its current limitations.
Wookyoung Jang, Ki Wan Bong
wiley   +1 more source

Different Ionization Modes in Gas Chromatography-Mass Spectrometric Determination of Organochlorine Pesticides and Polychlorinated Biphenyls in Food

open access: yesYankuang ceshi, 2013
Different modes of electron impact (EI), positive chemical ionization (PCI) and negative chemical ionization (NCI) in Gas Chromatography-Mass Spectrometry (GC-MS) determination of organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) in ...
CAO Xiao-wen   +6 more
doaj  

First Time-dependent Study of H2 and H3+ Ortho-Para Chemistry in the Diffuse Interstellar Medium: Observations Meet Theoretical Predictions

open access: yes, 2014
The chemistry in the diffuse interstellar medium initiates the gradual increase of molecular complexity during the life cycle of matter. A key molecule that enables build-up of new molecular bonds and new molecules via proton-donation is H3+.
Albertsson, T.   +5 more
core   +1 more source

Receptor‐Free Identification of Toxic Gases Enabled by Hygroscopic Aqueous Salt Films

open access: yesAdvanced Functional Materials, EarlyView.
Water as a gas sensor coating sounds impossible—until it stops evaporating. Here, hygroscopic salt solutions (LiCl, LiBr, H3PO4) form non‐drying aqueous films on CNT chemiresistors under ambient air. Gases partition into these liquid layers, sometimes transforming into water, and generate salt‐specific resistance fingerprints across a four‐channel ...
Seongwoo Lee   +5 more
wiley   +1 more source

Determination of blood lead by electron-capture negative chemical ionization gas chromatography-mass spectrometry [PDF]

open access: bronze, 1996
Geoffrey S. Baird   +3 more
openalex   +1 more source

Ultrasmall Platinum Nanoparticles for Radiation‐Enhanced Cancer Therapy

open access: yesAdvanced Functional Materials, EarlyView.
This work proposes a nanomedicine‐based strategy to enhance X‐ray radiotherapy for cancer treatment. Ultrasmall Pt‐NPs exhibit catalase‐like activity that may contribute to modulation of the tumor microenvironment and amplify interactions between radiation and biological matter, leading to increased DNA damage.
Miguel Encinas‐Gimenez   +8 more
wiley   +1 more source

Monitoring ongoing chemical reactions using eco-friendly miniature ambient ionization mass spectrometry

open access: yesGreen Analytical Chemistry
An analytical technique that combined probe sampling with thermal desorption electrospray ionization mass spectrometry (TD-ESI/MS) was developed to monitor ongoing chemical reactions.
Min-Zong Huang   +5 more
doaj   +1 more source

Magnetothermal‐Triggered Response and Self‐Healing of Recyclable and Reprocessable Nanocomposites for Actuation Systems

open access: yesAdvanced Functional Materials, EarlyView.
Developing recyclable materials for magnetic robotics that combine rapid response and self‐healing properties is challenging. Hence, this study focuses on the integration of magnetothermal nanoparticles into a dynamic sorbitol‐based vitrimer, a recyclable composite capable of remote actuation and self‐healing by magnetic heating.
Maria Weißpflog   +3 more
wiley   +1 more source

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