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The Particle Articles

Webinar Recap: Ingredient-Specific Particle Sizing Using Raman Chemical Imaging

[fa icon="calendar'] Jun 20, 2012 10:30:35 AM / by Admin posted in aqueous suspension formulations, Blog, nasal spray suspensions, Nasal suspension PSD, Pharmaceutical, pharmaceutical formulation, Raman chemical imaging

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During this recent webinar, Dr. Oksana Olkhovyk presented on the benefits of this novel method of particle sizing that automatically measures particle size distribution.  She also discussed specific references to FDA bioequivalence guidance documentation, innovative product design and intellectual property benefits.

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Webinar Recap: Forensic Analysis of Condom Lubricants for Police & Attorneys

[fa icon="calendar'] Jun 15, 2012 1:38:54 PM / by Admin posted in Blog, Forensics, Trace Evidence

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Recently, Gateway Analytical scientists Cara Plese and Antonio Scatena presented a half hour webinar focused on the forensic analysis of condom lubricants. The webinar covered the collection, documentation, and investigative value of condom lubricants and sexual assault evidence along with discussing the scientific principles and current methods of condom lubricant analysis.

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A Look at Equipment Control

[fa icon="calendar'] Jun 8, 2012 10:00:21 AM / by Tricia Wood posted in Blog, equipment control, Quality Assurance, quality assurance, quality control, Quality Corner, quality management system

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A solid equipment control program is an integral component of any laboratory quality management system.  The goal of the equipment control program is to ensure that your equipment is under established controls at all times.  Equipment control is an area too lengthy to comprehensively define in a short article, so I’ve included some key points to keep in mind.

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Audio Poster Preview: "Analysis of Particle Agglomeration and Content Uniformity by Raman Imaging"

[fa icon="calendar'] May 29, 2012 12:34:28 PM / by Oksana Olkhovyk posted in Blog, Controlled Release, Pharmaceutical

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In prepration for the upcoming 39th Annual Meeting & Exposition of the Controlled Release Society (CRS) this year (Booth #207) in Québec City, Canada, we have created an audio preview for our poster titled "Analysis of Particle Agglomeration and Content Uniformity by Raman Imaging".

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New Webinar Series for Scientist on Chemical Imaging June - Sept.

[fa icon="calendar'] May 24, 2012 1:50:33 PM / by Admin posted in aqueous suspension formulations, Blog, coating thickness, Controlled Release, controlled release, Ingredient-Specific Particle Sizing, inhalation drugs, method development, Pharmaceutical, pharmaceutical, pharmaceutical formulation, pharmaceutical products, polymers, Raman chemical imaging, semi-solids

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Gateway Analytical will be offering a new webinar series for scientists, focused on chemical imaging, June though September of this year. This webinar series is designed for scientists developing and manufacturing various types of pharmaceutical products; including nasal, inhalation, semi-solid, solid, and controlled release drug delivery.

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A New Approach to 3D Scanning for Fracture Matching, Toolmarks and Impression Evidence

[fa icon="calendar'] May 22, 2012 10:30:15 AM / by Rebekah Byrne posted in Blog, forensic expert, Forensics, forensics, fracture matching, impression evidence, trace evidence, Trace Evidence

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Forensic science is a field that has taken leaps and bounds over the past several years.  From the advent of DNA analysis to the continued technological advancements in the sciences, the progress made in criminalistics has been remarkable.

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Presumptive Testing of Biological Fluids

[fa icon="calendar'] May 15, 2012 10:28:28 AM / by Cara Plese posted in Blog, forensic expert, Forensics, forensics, hyperspectral imaging, Presumptive Testing, testing for blood, testing for saliva, testing for urine, Trace Evidence

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The evaluation of forensic evidence has changed significantly since the 1994 DNA Identification Act.  Forensic DNA analysis plays a critical role in criminal investigations, and as a result now presents forensic labs with huge backlog issues due to the number of samples submitted for examination.  This is where presumptive testing of evidence, such as suspected biological fluids, can be helpful.

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Gateway Analytical to Present at 2012 MAAFS Meeting: The Introduction of Hyperspectral Imaging as an Additional Method of Examination for Tapes

[fa icon="calendar'] May 10, 2012 10:08:58 AM / by Cara Plese posted in Blog, fluorescence Hyperspectral Imaging, forensic expert, Forensics, forensics, tape examination, trace evidence, Trace Evidence

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The Mid-Atlantic Association of Forensic Scientists (MAAFS) annual meeting is being held later this month from May 14th through the 18th.  MAAFS is one of several regional/state forensic science associations in the United States.  Regional meetings are great for scientists to attend because they usually require less travel than attending the national AAFS meeting, and they provide a more personal forum for presentations and also networking with scientists from that particular region.  MAAFS is also a great forum for student presenters, as scholarships are awarded annually. I will be presenting on Thursday, May 17thon the benefits of including fluorescence Hyperspectral Imaging (HSI) in the battery of analyses that are typically applied to tape examination.    Fluorescence HSI adds value to tape examination, because it is a macroscopic analysis that provides both visual and spectral results, requires little samples preparation, is non destructive, and can allow for a quick elimination in a comparison of known and questioned tapes.

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Preview: Joint Poster at Respiratory Drug Delivery 2012

[fa icon="calendar'] May 4, 2012 2:11:41 PM / by Admin posted in analytical testing, Blog, dry powder inhaler, Ingredient-Specific Particle Sizing, method validation, Nasal Drug Products, Nasal suspension PSD, Pharmaceutical, pharmaceutical, pharmaceutical formulation, Raman chemical imaging

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This year at Respiratory Drug Delivery 2012, Dr. Oksana Olkhovyk will be presenting a poster with Christopher Vernall from the University of Bath which is located in the UK. This year’s poster topic, titled: “Investigation of the Microstructure of Combination Dry Powder Inhaler Formulations by Atomic Force Microscopy and Raman Chemical Imaging”, aims to investigate the microstructure of commercial Seretide® Accuhaler® using RCI and the cohesive-adhesive balance (CAB) approach to colloid probe AFM.

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Webinar Recap: Laboratory Methods for the Examination of Foreign Particulate Matter

[fa icon="calendar'] Apr 30, 2012 10:30:22 AM / by Admin posted in Blog, FTIR, FTIR spectroscopy, Pharmaceutical, pharmaceutical, pharmaceutical forensics, quality assurance, quality control, quality management system, Raman chemical imaging, SEM/EDS, source determination

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On April 25th, 2012 we hosted a live webinar titled “Laboratory Methods for the Examination of Foreign Particulate Matter.” During the webinar our presenters, David Exline, Senior V.P. and Antonio Scatena, Scientist at Gateway Analytical, discussed current methods of particulate isolation, laboratory testing methods for identifying foreign particulates and the company's forensic approach to source determination. During the webinar we received a number of questions, below is a sample of the Q&A session at the end of the webinar.

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