Search Results - "Wimalasinghe, Rasangi M."

Fundamental and Practical Insights on the Packing of Modern High-Efficiency Analytical and Capillary Columns by Wahab, M. Farooq, Patel, Darshan C, Wimalasinghe, Rasangi M, Armstrong, Daniel W

“…New stationary phases are continuously developed for achieving higher efficiencies and unique selectivities. The performance of any new phase can only be…”
Get full text

Separation of peptides on superficially porous particle based macrocyclic glycopeptide liquid chromatography stationary phases: consideration of fast separations by Wimalasinghe, Rasangi M., Breitbach, Zachary S., Lee, Jauh T., Armstrong, Daniel W.

“…Macrocyclic glycopeptide based liquid chromatography stationary phases are known for their highly selective peptide separations. Fast and ultrafast ( t R  <…”
Get full text

Salient Sub-Second Separations by Wahab, M. Farooq, Wimalasinghe, Rasangi M, Wang, Yadi, Barhate, Chandan L, Patel, Darshan C, Armstrong, Daniel W

“…Sub-second liquid chromatography in very short packed beds is demonstrated as a broad proof of concept for chiral, achiral, and HILIC separations of…”
Get full text

Development and Validation of a Stability-Indicating Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC) Method for Identification, Assay, and Estimation of Related Substances of Ivermectin Drug Substance by Wimalasinghe, Rasangi M, Zhao, Daoli, Wang, Lin, Rustum, Abu

“…Ivermectin is a potent semi-synthetic antiparasitic drug used in veterinary medicine. It is widely used for the treatment of parasites. This study aimed to…”
Get full text

Development and Validation of a Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC) Method for Identification, Assay and Estimation of Related Substances of Ivermectin in Bulk Drug Batches of Ivermectin Drug Substance by Zhao, Daoli, Wimalasinghe, Rasangi M, Wang, Lin, Rustum, Abu M

“…A reversed-phase high-performance liquid chromatography (RP-HPLC) method has been developed and validated for the identification and assay of Ivermectin,…”
Get full text

Fabrication of interconnected macroporosity in geopolymers via inverse suspension polymerization by Thakur, Nimisha, Weatherly, Choyce A., Wimalasinghe, Rasangi M., Armstrong, Daniel W.

“…A new approach to fabricate geopolymer monoliths with interconnected macroporosity and a permeable structure is presented. This was achieved using an…”
Get full text

Geopolymers as a New Class of High pH Stable Supports with Different Chromatographic Selectivity by Wimalasinghe, Rasangi M, Weatherly, Choyce A, Wahab, M. Farooq, Thakur, Nimisha, Armstrong, Daniel W

“…Geopolymers belong to an interesting class of X-ray amorphous polycondensed aluminosilicate ceramic solids. The high mechanical strength, chemical stability in…”
Get full text

Development and Validation of a Stability-Indicating RP-HPLC Method for Determination of Eprinomectin, its Degradation Products, and Butylated Hydroxytoluene in a Pour-On Finished Product by Padivitage, Nilusha, Wang, Lin, Wimalasinghe, Rasangi M., Rustum, Abu M.

“…Eprinomectin (EPM) is the active pharmaceutical ingredient (API) of the pour-on finished product. The finished product also contains propylene glycol octanoate…”
Get full text

Investigation to Identify the Root Cause of Out-of-Specification Results for Color of a Topical Pour-on Drug Product: A Case Study by Zhao, Daoli, Wang, Lin, Wimalasinghe, Rasangi M., Tian, Jingzhi, Rustum, Abu

“…One topical pour-on drug product formed a slightly yellow color and continued to increase the intensity over the shelf life of the product. This caused…”
Get full text

Hydroxypropyl beta cyclodextrin bonded superficially porous particle-based HILIC stationary phases by Wimalasinghe, Rasangi M., Weatherly, Choyce A., Breitbach, Zachary S., Armstrong, Daniel W.

“…(R,S)-Hydroxypropyl-modified β-cyclodextrin (RSP-CD) is a well-known chiral stationary phase. In this work, hydrophilic interaction liquid chromatographic…”
Get full text