Results 41 to 50 of about 204,956 (154)

Determination of relative response factors of the opium alkaloids with HPLC-DAD [PDF]

Makedonsko Farmacevtski Bilten, 2012
In this work, a convenient method for determination of relative UV response factors (RRFs) of morphine, codeine, thebaine, oripavine, noscapine and papaverine by high performance liquid chromatography (HPLC) equipped with a diode array detector (DAD) was
Jelena Acevska, Gjoshe Stefkov, Natalija Nakov, Marija Karapandzova, Svetlana Kulevanova, Aneta Dimitrovska   +5 more
doaj  

Opium alkaloids in food products: Current and future perspectives

, 2020
Background In recent years, there has been increasing interest from health authorities in avoiding consumer exposure to opium alkaloids in food. Thus, recent cases of intoxication and false positive drug tests, from the consumption of poppy seeds and ...
Gema Casado-Hidalgo, S. Morante-Zarcero, D. Pérez-Quintanilla, I. Sierra   +3 more
semanticscholar   +1 more source

Monitoring Injected Drug Use in Greece Through Syringe Residue Analysis: A Multicity Study Within the ESCAPE Network

Drug Testing and Analysis, Volume 18, Issue 11, Page 1407-1417, November 2026.
A total of 2121 used syringes were analyzed in Athens, Thessaloniki, and Patras between 2022 and 2024. Distinct drug‐use patterns were observed across the three cities. Benzodiazepines, pregabalin, methadone, and fentanyl were increasingly detected in 2024.
Christina Matiaki, Anastasios Trakakis, Athanasios Theocharis, Chara Parpala, Chara Kotsailidou, Alexandros Psarianos, Emmanouil Chatzichristofis, Eleni Zagelidu, Panagiota Roussou, Nikolaos Raikos, Orthodoxia Mastrogianni   +10 more
wiley   +1 more source

Intraspecific taxonomy of plant genetic resources – Important for differentiation of medicinal and aromatic plants?

Julius-Kühn-Archiv, 2016
Taxonomy of plant genetic resources is an important input in characterising and evaluating cultivated plants and essential for identification and documentation of the diversity of genebank collections.
Lohwasser, Ulrike, Börner, Andreas, Marthe, Frank   +2 more
doaj   +1 more source

Opioid Modulation of Major Neurotransmitter Systems: Acute, Chronic, and Withdrawal Effects

European Journal of Neuroscience, Volume 64, Issue 9, November 2026.
Opioids are widely used but also frequently misused drugs that affect multiple neurotransmitter systems, including dopaminergic, glutamatergic, GABAergic, serotonergic, and cholinergic pathways. Opioid‐induced neuroadaptations depend on the duration of drug exposure, with distinct changes also emerging following drug discontinuation.
Daniela Novakova, Eliska Pritulova, Jiri Novotny   +2 more
wiley   +1 more source

Opioid Allergy Registrations in Danish Electronic Health Records: A Multihospital Register‐Based Study With Journal Audit

Basic &Clinical Pharmacology &Toxicology, Volume 139, Issue 4, October 2026.
ABSTRACT Accurate documentation of drug allergies is critical to prevent re‐exposure while avoiding unnecessary restrictions on safe pharmacotherapy. Although true opioid hypersensitivity is rare, adverse effects are frequently misclassified as allergies.
Andreas Halgreen Eiset, Signe Hertz Hansen, Sara Buttrup Rosenquist, Kenneth Skov, Lene Heise Garvey, Peter Gaarsdal Uhrbrand, Eva Aggerholm Sædder   +6 more
wiley   +1 more source

A Catalogue of Dispensation Lengths for Building Treatment Episodes—Application of the Waiting Time Distribution to All Commonly Prescribed Drugs in Denmark

Pharmacoepidemiology and Drug Safety, Volume 35, Issue 9, September 2026.
ABSTRACT Background In pharmacoepidemiologic research, correct assignment of the length of single dispensation is critical to build treatment episodes. The parametric reverse waiting time distribution (rWTD) is a particularly attractive data‐driven method to estimate dispensation lengths.
Mette Reilev, Lotte Rasmussen, Jonas Kanstrup Olsen, Martin Thomsen Ernst, Saad Hanif Abbasi, Rikke Wesselhoeft, Mette Bliddal, Jesper Hallas, Henrik Støvring   +8 more
wiley   +1 more source

Systematic prioritization of candidate genes in camptothecin biosynthesis using multi‐omics and deep learning

The Plant Genome, Volume 19, Issue 3, September 2026.
Abstract Camptothecin (CPT), a plant‐derived monoterpene indole alkaloid first identified in Camptotheca acuminata, is a drug precursor widely used for cancer chemotherapeutics. However, the full set of genes responsible for CPT biosynthesis remains unclear, hindering efforts to elucidate the complete pathway or establish biosynthetic production of CPT
Shenqi Wang, Xing Wu, Maria Moreno, Joonseok Oh, Stephen L. Dellaporta, Jason M. Crawford, Farren J. Isaacs   +6 more
wiley   +1 more source

Morphology, Taxonomy, Anatomy, and Palynology of the Opium Poppy (Papaver somniferum L.) Cultivation in Northern Thailand

Plants, 2023
In this paper, we present the morphology, taxonomy, anatomy, and palynology of Papaver somniferum. A detailed morphological description and illustrations of the species are provided, along with information about the identification, distribution ...
Chatchai Ngernsaengsaruay, Nisa Leksungnoen, Pichet Chanton, Tushar Andriyas, Pratchaya Thaweekun, Surasak Rueansri, Ratthapon Tuntianupong, Woottichai Hauyluek   +7 more
doaj   +1 more source

Harnessing nanotechnology for improving the druggability of opium poppy-derived pharmaceutical benzylisoquinoline alkaloids: A review.

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
The boom in using phytoconstituents for diseases treatment has been fueled by growth in the realm of nanotechnology. This is because nanomedicines not only expand the therapeutic applications of phytochemicals but also refine their physicochemical ...
Zahra Aghaali, Mohammad-Reza Naghavi
semanticscholar   +1 more source