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Search: authors%3A%22Mary Beth Farrell MS%22

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Next-generation sequencing based newborn screening and comparative analysis with MS/MS

Newborn screening (NBS), such as tandem mass spectrometry (MS/MS), may yield false positive/negative results. Next-generation sequencing (NGS) has the potential to provide increased data output ... newborns in Huzhou, Zhejiang province, China and explore the applicability of NGS and MS/MS in NBS. Methods Blood spot samples from 1263 newborns were collected. NGS was employed to screen for pathogenic

Automatically listing senior members of departments as co-authors is highly prevalent in health sciences: meta-analysis of survey research

, 28% [95% CI 22–34] of researchers (10 surveys, 2180 respondents) felt that this practice was ‘never’, 24% [95% CI 22–27] ‘rarely’, 25% [95% CI 23–28] ‘sometimes’, 13% [95% CI 9–17] ‘most of the time ... of the justification ‘always justified’ Review item 3a 28% [95% CI 22–34] (2180 respondents in 10 surveys) Review item 3a 24% [95% CI 22–27] (2180 respondents in 10 surveys) Review item 3a 25% [95

Comparison of blood and urine concentrations of equol by LC‒MS/MS method and factors associated with equol production in 466 Japanese men and women

daidzein concentrations from the blood and urine of 292 men and 174 women aged between 22 and 88 years by liquid chromatography-tandem mass spectrometry (LC‒MS/MS). We then analysed the cut-off value for ... the administrative support for this study but the funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The authors received no

ReTimeML: a retention time predictor that supports the LC–MS/MS analysis of sphingolipids

The analysis of ceramide (Cer) and sphingomyelin (SM) lipid species using liquid chromatography–tandem mass spectrometry (LC–MS/MS) continues to present challenges as their precursor mass and ... chromatograms. ReTimeML works on the principle that LC–MS/ MS experiments have pre-determined RTs from internal standards, calibrators or quality controls used throughout the analysis. Employed as reference RTs

From MS/MS library implementation to molecular networks: Exploring oxylipin diversity with NEO-MSMS

dereplication in further studies. To overcome this limitation, we constructed a high-resolution tandem mass spectrometry (MS/MS) dataset comprising pure NEO-PUFAs (both commercial and self-synthesized) and in ... (MS). Over the past three decades, advances in hyphenated techniques such as liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) along with high resolution MS and novel data analysis

DIP-MS: ultra-deep interaction proteomics for the deconvolution of protein complexes

combined with liquid chromatography coupled to tandem mass spectrometry (AP–MS) represents the method of choice to identify interacting proteins. The composition of complex isoforms concurrently present in ... PPIs also identified by DIP-MS (Supplementary Fig. 3a,b). In summary, our benchmarking data indicate that DIP-MS data, when compared to SEC–MS or reciprocal AP–MS data, have a broader dynamic range

A spectroscopic test suggests that fragment ion structure annotations in MS/MS libraries are frequently incorrect

Modern untargeted mass spectrometry (MS) analyses quickly detect and resolve thousands of molecular compounds. Although features are readily annotated with a molecular formula in high-resolution

Expression of semaphorin 3A (SEMA3A) in breast cancer subtypes

Breast cancer is a major health concern, and its accurate diagnosis and management depend on identifying its histological type and biological subtype. Semaphorin-3A (SEMA3A) is a membrane protein ... cores cut before. Then, slides were baked for at 60 min in 60 °C. A Semaphorin 3A, clone EPR19367 was used to demonstrate expression of the secreted protein. Deparaffinization, rehydration and heat

Metabolic signatures and potential biomarkers of sarcopenia in suburb-dwelling older Chinese: based on untargeted GC–MS and LC–MS

. Herein, we explored metabolites associated with sarcopenia by untargeted gas chromatography (GC)/liquid chromatography (LC)–mass spectrometry (MS) and identified possible diagnostic markers. Forty-eight ... . Methods Forty-eight elderly subjects with sarcopenia were age and sex matched with 48 elderly subjects without sarcopenia. We first used untargeted GC/LC-MS to analyze the plasma of these participants and

AlphaPept: a modern and open framework for MS-based proteomics

In common with other omics technologies, mass spectrometry (MS)-based proteomics produces ever-increasing amounts of raw data, making efficient analysis a principal challenge. A plethora of different ... plethora of different computational tools can process the MS data to derive peptide and protein identification and quantification. However, during the last years there has been dramatic progress in computer

GC/MS and LC/MS serum metabolomic analysis of Chinese LN patients

missed the optimal timing for treatment. The aim of the research is to study the serum metabolomics of Chinese LN patients using gas chromatography (GC)/mass spectrometry (MS) and liquid chromatography (LC ... (BMI) and age, were selected. Serum analysis was conducted using GC/MS and LC/MS, followed by multivariate statistical analysis. Various multidimensional analyses, including principal component analysis

Synthesis of novel azo pyrazole disperse dyes for dyeing and antibacterial finishing of PET fabric under supercritical carbon dioxide

) produced 1-((aryldiazenyl) cyanoacetyl piperidines (3a–d). To create the derivatives of 4-(phenyldiazenyl)-5-(piperidin-1-yl)-1H-pyrazol-3-amine (5a), the propane nitriles (3a–d) were condensed with ... dyes (4a-d) were identified as the reaction results. The MS, IR, and NMR spectra were used to describe the novel dyes, and the results exactly matched the suggested structures. The antibacterial test

An integrated metabo-lipidomics profile of induced sputum for the identification of novel biomarkers in the differential diagnosis of asthma and COPD

untargeted metabolomics and lipidomics analysis was performed in IS of asthmatic (n = 15) and COPD (n = 22) patients based on Ultra-High-Pressure Liquid Chromatography-Mass Spectrometry (UHPLC-MS) and UHPLC ... COPD and asthmatic patients. Among the 15 selected candidate biomarkers based on Variable Importance in Projection scores, putrescine showed the highest score. A differential IS bio-signature of 22

Synthesis and molecular docking simulations of novel azepines based on quinazolinone moiety as prospective antimicrobial and antitumor hedgehog signaling inhibitors

diazepines (3a–d) or with 2-aminophenol to offer oxazepine (4a–d). The structure of the synthesized compounds was confirmed via melting points, elemental analyses, and different spectroscopic techniques ... anticancer potential. Our results showed that, diazepine (3a) and oxazepine (4a) offered the highest binding energy against the target OMPA/ exo‑1,3‑beta‑glucanase proteins and exhibited the potent

Design, synthesis and in vitro anticancer activity of some new lomefloxacin derivatives

position 3 and 7 were synthesized and screened for cytotoxic activity utilizing 60 different human cancer cell lines. Furthermore, compounds 3a,b,c,e that revealed potent broad-spectrum anticancer activity ... arrest at the G2-M phase. Moreover, the mechanism of action was determined by determining the topoisomerase inhibitory activity and the molecular modeling study. Compounds 3a,b,c,e showed broad spectrum

Development of an UPLC-MS/MS method for quantitative analysis of abexinostat levels in rat plasma and application of pharmacokinetics

this study was to establish a rapid and reliable method for the detection of abexinostat concentrations in rat plasma using ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS ... ; Pharmacokinetics; UPLC‑MS/MS; Givinostat - †Yige Yu and Jinyu Hu contributed equally to this work. 3]. Previous studies have shown that increased abexinostat concentration promoted apoptosis in Hodgkin lymphoma

Absolute quantification of nicotinamide mononucleotide in biological samples by double isotope-mediated liquid chromatography-tandem mass spectrometry (dimeLC-MS/MS)

accurate, quantitative methodology for measuring NMN by using liquid chromatography-triple quadrupole mass spectrometry (LC-MS/MS) with double isotopic NMN standards. In this new methodology, the matrix ... samples has long been debated. Several groups have been using their own methodologies with liquid chromatography-tandem mass spectrometry (LC-MS/MS) to detect and measure NMN in biological samples18–22

Correction: Development of an enhanced analytical method utilizing pepper matrix as an analyte protectant for sensitive GC‒MS/MS detection of dimethipin in animal-based food products

, Esatbeyoglu T, Oz F, Abd El-Aty AM (2023) Development of an enhanced analytical method utilizing pepper matrix as an analyte protectant for sensitive GC–MS/MS detection of dimethipin in animal-based food