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Corrosion costs the petroleum industry an estimated $1.3 billion in non-productive time, materials and labor annually. Imidazolines prepared from fatty acids and amines are a widely-used class of chemical corrosion inhibitor, due to excellent performance and ease of handling. However, commercial imidazolines are actually mixtures of several different chemical compounds, and the relative proportions of these species can have a large impact on both corrosion inhibition and product physical properties. The absence of gold standard analytical methods to characterize the active ingredients in imidazoline formulations limits the understanding of the chemistry of these materials. It is for this reason that a SPE-LC-MS method was developed to supplement the chemical information afforded by bulk testing / wet chemistry methods. It is anticipated that this method will have significant impact in the formulation of new corrosion inhibitors for oilfield applications as well as the quality control of finished products in manufacturing. GCC 2014

Column Corrosion inhibitors English Imidazoline corrosion inhibitor Imidazolines LC-MS TOF Petroleum Posters

This study shows that the SPE-DEX® 4790 Automated Extractor system can process water samples containing suspended particulate matter, up to 1000 mg, for the analysis of PAH’s. As PAH’s are found in both the dissolved and particulate phase of the water sample, it is important to be able to handle “whole” water samples such that the particulate matter in the water sample is retained and extracted with the SPE disk. This filtration method ensures that the PAH’s found in the dissolved phase, and those adsorbed onto the particulate matter are properly extracted.

Acenaphthene Acenapthalene Anthracene Application Notes Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(ghi)perylene Benzo(k)Fluoranthene Chrysene Dibenzo(ah)anthracene Disk English Environmental Fluoranthene Fluorene GC-MS Indeno(123-cd)pyrene PAHs Persistant organic pollutants (POP) Phenanthrene Polyaromatic Hydrocarbons (PAH) Pyrene

This poster details current sample preparation strategies for aminoglycoside antibiotics in meat developed in a collaborative effort with Biotage and Tyson Foods, Inc. Springdale Corporate Laboratory to optimize analyte recovery (>70%), minimize analyte suppression and maintain acceptable method precision. FAST LC-MS 2014

Aminoglycoside antibiotics Chicken meat Column English Food Gentamicin LC-MS/MS Neomycin Posters Spectinomycin Streptomycin Veterinary drugs

This poster describes a strong cation exchange SPE protocol for extraction of Vitamin B3 (Niacin) and related metabolites from serum. The ISOLUTE SCX-3 96 well plate format demonstrated as a viable option for serum measurements over a relevant concentration range in clinical diagnostics. It is anticipated that strategies presented in this poster would be of broad-based interest to clinical laboratories focused on combining parent/metabolite assays into a single analysis. MSACL 2014

96-well plate B Vitamins Clinical English LC-MS/MS Niacin (nicotinic acid) Niacinamide Nicotinuric acid Posters Serum Vitamin B3 Vitamins

This application note describes the extraction of Vitamin B3 (Niacin, nicotinic acid) and its key metabolites from serum using a strong cation exchange SPE retention mechanism. High reproducible analyte recoveries are achieved.

96-well plate Application Notes B Vitamins Clinical English LC-MS/MS Niacin (nicotinic acid) Niacinamide Nicotinuric acid Serum Vitamin B3 Vitamins

This application note describes the extraction of nine phthalate metabolites from human urine using ISOLUTE® ENV+ solid phase extraction columns.

Application Notes Biomarker Clinical Column English LC-MS/MS Mono(2-ethyl-5-carboxypentyl) phthalate (MECPP) Mono(2-ethyl-5-hydroxyhexyl) phthalate (MEHHP) Mono(2-ethylhexyl) phthalate (MEHP) Monobenzyl phthalate (MBzP) Monobutyl phthalate (MBP) Monoethyl phthalate (MEP) Monohexyl phthalate (MHxP) Monoisononyl phthalate (MiNP) Monomethyl phthalate (MMP) Phthalate Metabolites Phthalates Urine

The ability to extract a broad range of different drugs from a biological matrix allows for the expedited analysis of a patient sample using LC-MS/MS. Typically small molecules are extracted from matrices like urine based on their polarities. A fast and reliable sample preparation method that could be implemented to extract drugs of different polarities from urine could be used as a screening tool to quickly identify the presence of illicit drugs in patient samples using LC-MS-MS. This poster demonstrates the utility of supported liquid extraction for the extraction of over 30 different acidic, basic and neutral drugs in urine prior to LC-MS/MS. MSACL 2016

11-hydroxy- Δ9-tetrahydrocannabinol (THC-OH) 11-nor- Δ9-carboxy tetrahydrocannabinol (THC-COOH) 6-acetyl codeine 96-well plate Acidic Alprazolam Amphetamine Barbiturates Basic Benzodiazepines Benzoylecgonine Buprenorphine Butalbital Clinical Clonazepam Codeine Dextromethorphan Diazepam Drugs of Abuse EDDP English Fentanyl Flunitrazepam Forensic Hydrocodone Hydrolysed urine Hydromorphone LC-MS/MS MDEA Morphine Naltrexone Neutral Nitrazepam Norbuprenorphine Norcodeine Norfentanyl Opiates Oxazepam Oxycodone Oxymorphone Pain Management Pentazocine Pentobarbital Phenobarbital Posters Propoxyphene Secobarbital THC THC metabolites THC-COOH Temazepam Δ9-tetrahydrocannabinol (THC)

This poster describes a supported liquid extraction method for extraction of a class of novel psychoactive substances (NBOMes) with analysis using laser diode thermal desorption (LDTD) MS/MS. Samples are oral fluid collected using Salivettes. TAMS 2014

25B-NBOMe 25C-NBOMe 25D-NBOMe 25E-NBOMe 25H-NBOMe 25I-NBOMe 25N-NBOMe 25T2-NBOMe 96-well plate Drugs of Abuse English Forensic LDTD-MS/MS Legal highs NBOMes Oral fluid Phenethylamines Posters

This poster describes a reduced workflow solid phase extraction method for extraction of vitamin B7 (biotin) from human serum. Using EVOLUTE EXPRESS AX 96-well plates, the traditional sorbent conditioning and equilibration steps are not required, meaning the sample can be applied directly to the dry plate. Post extraction evaporation is also eliminated. ASMS 2014

96-well plate Biotin Clinical English LC-MS/MS Posters Serum Vitamin B7 Vitamins

This report details a “load, wash, elute” weak cation exchange solid phase extraction procedure amenable to both plasma and urine samples. The extracts are subsequently injected into an LC-MS/MS system. The preliminary sample preparation method was developed at the Biotage US Applications lab (Charlotte, NC).The method was then transferred to Ionics (Bolton, ON, Canada) to facilitate the nmole/L measurements of the selected biomarkers by laminar flow tandem mass spectrometry. The SPE-LC-ESIMS/ MS method parameters were first optimized using pooled mixed gender plasma. A set of patient samples (n=32) was later supplied by the Mayo Clinic (Rochester, MN) that had previously been analyzed by a validated referee method. The population represented measured values across a range of clinical relevance. AACC 2014

96-well plate Catecholamines Clinical English LC-MS/MS Metanephrine Normetanephrine Plasma Posters Urine

The compound 4 Methylimidazole (4-MeI) is made during the production of caramel color commonly found in foods and beverages, especially sodas. The Codex Alimentarius of the World Health Organization sets a limit of 250 mg/kg of 4-MeI. Also, the state of California has added 4-MeI to its Prop 65 list at an exposure level of 29 μg/day. This study looks at 4-MeI levels in sodas and malt sodas which are sold in and outside the state of California. The first section, included in this poster, describes the performance of automated solid phase extraction of 4-MeI using conventional HPLC/MS detection. ASMS 2018, San Diego, CA

4-Methylimidazole (4-MEI) Carbonated soft drink (soda) Column English Food Food contaminant LC-MS/MS Posters

Cortisol measurement in hair samples scan be a useful indicator of chronic stress. This poster compares a new LC-MS/MS method with an existing immunoassay based method. The Biotage Bead Ruptor is used effectively for hair pre-treatment. MSACL 2016

Bead Ruptor Clinical Corticosteroids Cortisol English Hair LC-MS/MS Posters

When it comes to polar organic compound purification, many chemists turn to normal-phase flash chromatography often utilizing dichloromethane and methanol as the eluting solvents. While this can work, it often can be challenging to optimize due to methanol’s high polarity and protic chemistry.

English Posters

The use of LC/MS analysis in the clinical lab has increased exponentially over the last 10 years. Modern mass spectrometers are extremely sensitive allowing low level detection of many target analytes. However, this sensitivity can come at a price, in that levels of contamination not previously detected with less sensitive instruments can now have larger impact on analysis. The complexity of common matrices such as plasma/serum and urine while presenting different challenges can have a marked influence on method performance. As a result sample preparation is an extremely important part of the process in order to provide robust methods. This seminar focuses on some of the method development challenges our lab faced when looking at two clinical assays: Endogenous steroid hormone extraction from serum, and catecholamine extraction from plasma and urine. Particular emphasis is placed on the various sample preparation options we looked at for the extraction of these analytes. During optimization of the extraction process we investigated analyte recovery, co-extractable matrix components, HPLC column degradation, calibration curve performance and limits of quantitation. MSACL US 2018 Breakfast Seminar

96-well plate Catecholamines Clinical English LC-MS/MS Plasma Serum Steroid Hormones Steroid metabolite Urine

This application note describes the extraction of acidic, basic, and neutral drugs from urine for screening purposes using ISOLUTE® SLE+ supported liquid extraction plates prior to LC-MS/MS analysis.

11-hydroxy- Δ9-tetrahydrocannabinol (THC-OH) 11-nor- Δ9-carboxy tetrahydrocannabinol (THC-COOH) 6-acetyl codeine 96-well plate Acidic Alprazolam Amphetamine Application Notes Barbiturates Basic Benzodiazepines Benzoylecgonine Buprenorphine Butalbital Clinical Clonazepam Codeine Dextromethorphan Diazepam Drugs of Abuse EDDP English Fentanyl Flunitrazepam Forensic Hydrocodone Hydrolysed urine Hydromorphone LC-MS/MS MDEA Naltrexone Neutral Nitrazepam Norbuprenorphine Norcodeine Norfentanyl Normeperidine Opiates Oxazepam Oxycodone Oxymorphone Pain Management Pentazocine Pentobarbital Phenobarbital Propoxyphene Secobarbital THC metabolites Temazepam Urine Δ9-tetrahydrocannabinol (THC)

ACTU Preparation of PS-HOBt(HL). 2-Chloro-1,1,3,3 tetramethyluronium hexachloroantimonate (ACTU) is a reagent which allows polymer-supported active esters of PS-HOBt(HL) to be prepared in pure DMF. ACTU addresses the problem that many carboxylic acids are not soluble in DCM.

English Product Notes

Advancer Kilobatch provides up to 12 hours unattended processing of homogenous reaction mixtures delivering kilogram quantities of your target compound. In addition, the system will accommodate heterogeneous reactions by processing four sequential cycles (250 mL) to yield a 1 L batch. Through simple solid loading replenishment, kilogram quantities of complex heterogeneous reactions are easily achieved.

English Product Notes