Results 51 to 60 of about 16,149 (208)

Chemical Ionization Mass Spectrometry: Fundamental Principles, Diverse Applications, and the Latest Technological Frontiers

Mass Spectrometry Reviews, EarlyView.
ABSTRACT The review examines the evolution of chemical ionization mass spectrometry (CI‐MS), a technique developed in 1966 by Field and Munson. CI is a soft‐ionization method that produces more intense molecular ions with less fragmentation than electron ionization (EI).
Malvika Dutt, Adriana Arigò, Giorgio Famiglini, Pierangela Palma, Achille Cappiello   +4 more
wiley   +1 more source

Recent Advances (2023–2025) of Capillary Electrophoresis‐Mass Spectrometry (CE‐MS) for Top‐Down Proteomics

Mass Spectrometry Reviews, EarlyView.
ABSTRACT Top‐down proteomics (TDP) characterizes proteoforms in cells, tissues, and biofluids, in discovery mode and on a global scale, requiring analytical tools with high peak capacity for proteoform separation and high sensitivity for proteoform detection, given the extremely high proteoform complexity and wide proteoform concentration dynamic range.
Guijie Zhu, David A. Alvarez Rodriguez, Noah Gould, Alexander R. Ivanov, Kevin Jooß, Liangliang Sun   +5 more
wiley   +1 more source

Sampling and quantification of chlorobenzene in air by solid phase microextraction-gas chromatography mass spectrometry

Salāmat-i kār-i Īrān, 2017
Background and aims: The chlorobenzene is an intermediate chemical that is used in the production of commodities such as herbicides, dyestuffs, and rubber and Causes neurological complications and effects on the respiratory tract.
Mohamad javad Zare Sakhvidi, Abdulrahman Bahrami, Ali Reza Ghiasvand   +2 more
doaj  

Stable flies preferentially oviposit on sites offering conspecific eggs with egg‐derived bacterial semiochemicals

Insect Science, EarlyView.
Stable flies preferentially oviposit on sites offering conspecific eggs with egg‐derived airborne semiochemicals. Egg‐borne bacterial symbionts, and Serratia marcescens in particular, produce odorants which attract gravid female flies and elicit oviposition.
Emmanuel Hung, Anya Gould, Stephanie Zaborniak, Caelen Watson, Regine Gries, Sukhmani Kaur, Kyra Stephens, Augustus Negraeff, Ryan Lam, Alpha Hui, Pantea Zamani, Aryan Monfared, Gerhard Gries   +12 more
wiley   +1 more source

Analysis of Pyrazine and Volatile Compounds in Cocoa Beans Using Solid Phase Microextraction

Coffee and Cocoa Research Journal, 2011
Analisis pirazin dan senyawa volatil pada biji kakao dilakukan dengan perangkat mikroekstraksi fase padat (solid phase micro extraction, SPME), untuk mengembangkan metode ekstraksi tanpa pelarut yang efisien.
Misnawi Jati, Ariza Budi Tunjung Sari
doaj   +1 more source

Analyzing volatiles in brown rice vinegar by headspace solid-phase microextraction (SPME)–Arrow: Optimizing the extraction conditions and comparisons with conventional SPME

International Journal of Food Properties, 2019
The ability to readily determine the composition of brown rice vinegar is important for quality assurance purposes. To that end, solid–phase microextraction (SPME)–Arrow method was optimized for the determination of volatile organic compounds (VOCs) from
Tae Gyu Nam, Jun-Young Lee, Bum-Keun Kim, Nho-Eul Song, Hae Won Jang   +4 more
doaj   +1 more source

Spondias pinnata stem bark extract lessens iron overloaded liver toxicity due to hemosiderosis in Swiss albino mice

Annals of Hepatology, 2013
The present study was designed to evaluate the ameliorating effect of 70% methanol extract of Spondias pinnata (SPME) on iron overload induced liver injury.
Bibhabasu Hazra, Rhitajit Sarkar, Nripendranath Mandal   +2 more
doaj   +1 more source

Two Metschnikowia nectar yeast species have similar volatile profiles but elicit differential foraging in bee pollinators

Ecological Entomology, EarlyView.
Yeasts that specialize in flower nectar play an important role in pollination ecology. Metschnikowia reukaufii and Metschnikowia koreensis were the most prevalent nectar yeasts found in our field sites. Bee pollinators exhibited different behavioural responses to nectar yeasts in field experiments. Bees visited more flowers with M.
M. Elizabeth Moore, Lindsey Wilson, Nathan Brandt, Ayako Wada‐Katsumata, Ahmed M. Saveer, Coby Schal, Robert R. Dunn, Rebecca E. Irwin, Caiti Smukowski Heil   +8 more
wiley   +1 more source

Do aphid endosymbiotic bacteria influence parasitoid searching behaviour through changes in aphid honeydew production?

Ecological Entomology, EarlyView.
Hamiltonella defensa infection increases honeydew production in certain aphid genotypes, potentially modifying aphid feeding behaviour. Parasitoid wasps, Aphidius ervi, are more attracted to honeydew from H. defensa‐infected aphids; though larger honeydew amounts may slightly deter searching.
Desiré Macheda, Alexandre Foito, Katharine F. Preedy, Colin J. Alexander, Ankush Prashar, Alison J. Karley   +5 more
wiley   +1 more source

Effects of Bacillus amyloliquefaciens on Volatile Components and Nutrient Element Contents of Mentha piperita L. Grown under Salt Stress

BioResources
Bacillus amyloliquefaciens (Ba) was applied to Mentha piperita L. (peppermint) seedlings grown at various salt levels (0, 50, 75, and 100 mM) for 42 days (six weeks). The study was conducted in a total of eight groups, with 24 seedlings per group. At the
Songül Tuğba Üner, Aslıhan Cesur Turgut   +1 more
doaj   +2 more sources