Application Notes: LC
Oligonucleotide Purification by Reversed-Phase Ion Pairing (Nov 2023)
Hamilton's PRP-C18 column gave good separation with various gradient profiles and under various particle sizes. The excellent loading capacity of the column make this stationary phase desirable.
Separating 12 Nucleosides on Hamilton Column
Modified nucleosides, either natural or synthetic, often provide RNA with distinctive properties useful in diagnostics or therapeutics.
Cannabis Potency by LC-DAD
This demonstrates how to perform cannabis potency analysis using HPLC-UV, displaying the advantages of this technique for analyzing acidic cannabinoids.
Comparing HPLC flow rate measurement techniques
Accurate determination of flow rate is an increasingly favoured method of assessing or validating the performance of a pump serving a liquid chromatography system.
Separation of Fat-Soluble Vitamin K Congeners in Under 6 Minutes
A fast, simple method using the PRP-C18 column allows for simple, efficient identification of the natural and synthetic compounds of vitamin K (K2, K3, and K4).
Arsenic Speciation on Hamilton PRP-X100 (Oct 2023)
Contamination of drinking water and food sources is of great concern. Isolation and quantification of the various arsenic states is identified.
Isolation of Capsaicin for Therapeutic Treatments (Oct 2023)
Isolation of capsaicin for medicinal uses is easily achieved with the PRP-C18 RP-HPLC resin.
Isoflavones and Mycotoxins in Soy Beans (Oct 2023)
Analyzing crops for beneficial and harmful compounds is an indispensable tool for assessing the viability of various agricultural crops for consumption.
Determination of Flavonoids in Hemp (Oct 2023)
Flavonoids in cannabis, fruits and vegetables protect plants. Hamilton has developed a method to confirm the 7 most common flavonoids in cannabis with the PRP-1 column.
Separation of Halo Acetic Acids by Ion Exclusion (Oct 2023)
Accurate detection of HAAs is paramount for prevention of overoxidation while still managing enough water sanitation to eliminate water-borne pathogens.
Peptide Mapping of AAV Capsid Proteins
In this application note, we profile capsid protein peptides from AAV5 and AAV9, digested with trypsin using a Biozen™ Peptide XB-C18 reversed phase column.
mRNA Cap Purity Analysis
We present an LC-HRMS approach to distinguishing a pool of multiple caps and their relative integrity of digested mRNA oligonucleotide strands of 1250 nucleotides.
Signature Peptide ID By HRMS
mRNA Poly A Tail Degradation Detection
Intact Identification of AAV Capsid Proteins
Review profiling of denatured and dissociated capsid proteins from AAV5 and AAV9, via analysis with LC-MS using a Biozen™ Intact XB-C8 reversed phase column.
Subunit Analysis of mAbs Using XB-C8
EAF4-MALS Assessment of Liposomal Doxorubicin
We present electrical asymmetrical flow field-flow fractionation with multi-angle light scattering (EAF4-MALS) to derive parameters of a liposomal form of doxorubicin.
Separating Antidepressants Using HALO® PCS C18
A separation of antidepressants is compared between a fully porous C18 and the HALO® PCS C18 column.
HALO® PCS C18 vs. C18 Peptide
A synthetic peptide panel is screened on the HALO® Peptide PCS C18 and compared to a standard peptide C18 stationary phase.
HALO® PCS C18
Built upon Fused-Core® technology, the HALO® PCS C18 maintains peak symmetry at high loading capacities and provides alternate selectivity for C18 bonded phases.
What to Expect: HALO® PCS C18
The new HALO® PCS C18 phase offers an alternative to chromatographic separations.
Comparison of SPP Charged Surface Columns
In a head-to-head SPP comparison of two positively charged C18 surface chemistries, the HALO 90 Å PCS C18 obtains improved resolution, efficiency, and tailing factors.
Separation of Basic Drug Compounds (Sept 2023)
In this study, a generic, 5-min linear gradient was used to separate six basic drug compounds on a short (50 mm) PRP-C18 column.
Spill the Tea, Catechin Identification (Sept 2023)
Identification of polyphenolic catechin compounds for health and industrial quantification and quality control of tea products.
Separation of Strongly Basic Drug Compounds (Sept 2023)
Nine structurally diverse, strongly basic drug compounds are resolved in less than 2 minutes using a high pH mobile phase and a fast acetonitrile gradient at 80 °C.
Pick Your Poison: Isolation of Paclitaxel Sept 2023)
The diterpenoid, paclitaxel, is as a potent chemotherapy agent for breast and ovarian cancer. Here, the isolation of paclitaxel from its major impurities is shown.
Flexible Anion Analysis with Hamilton Columns (Sept 2023)
Chemically resistant resin bed allows for a wide base of mobile phase choices with excellent anion separation
Separation of Common Benzodiazepine Metabolites (Sept 2023)
Identifying benzodiazepine metabolites can be highly valuable in detecting abuse. Metabolites of oxazepam are found containing both hydroxyl and glucuronides.
Separation of Five Steroids (Sept 2023)
A reversed-phase HPLC method was developed to separate five steroid hormones, with partition coefficients ranging from 1.47 (cortisone) to 4.5 (pregnenolone).
Impurity Analysis of Synthetic Cyclic Peptides (Sept 2023)
Complementarity in chromatography ensures accurate purity. Daicel offers non-chiral stationary phases compatible in different modes for cyclic peptide analysis.