Search results - 18 results

The analysis of cannabinoids in e-cigarette liquids using LC-HRAM-MS and LC-UV.

alleged therapeutic benefits, a low potential for abuse and lack of the typical psychoactive effects associated with the use of cannabis products containing high levels of ∆9-tetrahydrocannabinol (∆9- THC). ...

Spectroscopic approaches for conformity analysis of e-liquids

created with the intention of assisting smokers in quitting because they are believed to be less dangerous than conventional combustible cigarettes. With a range of flavors and nicotine levels to choose ...

The analysis of cannabinoids in e-cigarette liquids using LC-HRAM-MS and LC-UV

potential for abuse and lack of the typical psychoactive effects associated with the use of cannabis products containing high levels of ∆9-tetrahydrocannabinol (∆9- THC). In Belgium, CBD-containing e-liquids ...

Poor antibody response to BioNTech/Pfizer COVID-19 vaccination in SARS-CoV-2 naïve residents of nursing homes.

vaccination than naïve staff. These poor responses involved lower levels of IgG to all spike domains, lower avidity of RBD IgG, and lower levels of Ab neutralizing the vaccine strain. No naïve resident had ...

CBD oils on the Belgian market: A validated MRM GC-MS/MS method for routine quality control using QuEChERS sample clean up

content by a CBN standard and the screening of seven other cannabinoids namely CBN, CBDV, CBT, CBC, Δ8- THC, THCV and CBG. The method was validated at three concentration levels (0.5–1–2% (w/v)) for CBD and ...

Human challenge trial workshop: Focus on quality requirements for challenge agents, Langen, Germany, October 22, 2019.

exposure studies need to be safe and results should be meaningful, e.g. contribute to a better cure. Both in the US and in Europe, the level of Good Manufacturing Practice required is related to the phase of ...

Zona pellucida gene mRNA expression in human oocytes is related to oocyte maturity, zona inner layer retardance and fertilization competence.

p.292-303 (2017) Abstract: STUDY QUESTION: Do the mRNA expression levels of zona pellucida (ZP) genes, ZP1, 2, 3 and 4 in oocyte and cumulus cells (CC) reveal relevant information on the oocyte? SUMMARY ...

The role of methylation, DNA polymorphisms and microRNAs on HLA-G expression in human embryonic stem cells.

HLA-G in eight hESC lines. We showed that, while the gross expression levels of HLA-G are controlled by promoter methylation, the genetic constitution of the HLA-G 3’ UTR, more specifically the 14bp ...

An application of mass spectrometry for quality control of biologicals: Highly sensitive profiling of plasma residuals in human plasma-derived immunoglobulin.

analysis, a TEE-positive Ig batch was distinguished from other regular Ig products, with increased levels of FXI a but also other unique proteins. This could have prevented the recently observed TEE problems ...

Childhood leukaemia near nuclear sites in Belgium, 2002-2008.

hypothesis of a gradient in leukaemia incidence with increasing levels of surrogate exposures was explored by means of focused hypothesis tests and generalized additive models. For the surrogate exposures, ...

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