Articles

Precision and Accuracy of Small Animal Dual-Energy X-Ray  Absorptiometry (DXA) Systems in Adult Rats Across the Bodyweight Spectrum

Joshua F. Yarrow1,2,3, Bryan Naranjo3, Valerie C. Del Rey3, Christine F. Conover3, Amanda L. Rodriguez3, Rae L. Van Sandt1, Matthew A. Schiefer3, Dana M. Otzel3 Geriatric Research, Education, and Clinical Center (GRECC), VA Eastern Colorado Health Care System, Aurora, CO  Division of Geriatric Medicine, University of Colorado Anschutz, Aurora,

X4 in Focus: What Does 2 µm Really Mean?

Understanding the difference between spot size, voxel size, detector sampling, and spatial resolution A specification of 2 µm can sound like a simple statement of image resolution. In micro-CT, however, focal-spot size, detector sampling, voxel size, and spatial resolution describe different parts of the imaging process. A 2 µm

X-ray Microscopic Examination of an American Beaver Skull

 The micro-CT images in this study of an American beaver skull highlight the ability to examine fine structural details in a specimen far larger than the mice and rats we typically image. Using the large imaging volume of the SKYSCAN 1273, we acquired both standard and high-speed datasets

Researcher Spotlight: Micro-CT to Characterize Cervical Ligament Systems in Sauropod Dinosaurs

 Audrey Williams, MS Missouri University of Science and Technology Jerald D. Harris, PhD Professor Emeritus (Earth and Environmental Sciences) Utah Tech University This Researcher Spotlight highlights the work of Audrey Williams, who used micro-CT to non-destructively produce images that resembled traditional, physical, histological thin sections, preserving the fossil bone. Her

Viscometer Applications

The NuLine Cone & Plate Viscometer is used to measure viscosity in a wide range of process applications, including cosmetics, paints & varnish, resins, oil, inks, foodstuffs, pharmaceuticals, bitumen, and more. With high accuracy, better than 1% of span using standard calibration oils, and excellent software, the NuLine is

New Products Alert

New Products Alert Micro Photonics is excited to announce the addition of two new product lines to expand capabilities for materials and life science researchers across the United States. Bright Instruments Cryostats – renowned for exceptional sectioning quality and ergonomic design, Bright’s cryostats and microtomes offer superior temperature stability

What are the advantages of micro-CT as a research tool?

What are the advantages of micro-CT as a research tool? Micro-CT provides distinct advantages over other imaging modalities, delivering high-resolution, non-destructive, three-dimensional volumetric data of internal structures without the need for extensive sample preparation. This capability enables precise analysis of materials and biological tissues at the microscopic scale, while

X-ray Microscopic Study of a Fossilized Trilobite

The last trilobites became extinct more than 250 million years ago, but the first fossils of trilobites appeared from the early Cambrian period, about 540 million years ago. Studies have mainly been of fossils exposed on the surface of rock slabs, and attempts to study structures preserved inside the

X-ray Microscopic Examination of Pharmaceutical Tablets

 Micro-CT is an established method for quality control and formulation development in the pharmaceutical industry. The use of micro-CT for quality inspection and improvement emphasizes its capacity to evaluate dimensional information. With its ability to improve product quality, reduce inspection and analysis costs, and decrease manufacturing time to

X-ray Microscopic Examination of Espresso Powder Porosity

 Figure 1: Rendered volumetric models of uncompressed (left) and 30 lb compressed espresso powders As winter sets in across the northern hemisphere, a recent study found that approximately 75 percent of Americans enjoy a coffee beverage each day with the most popular choice being a flavored latte.1 To

X-ray Microscopic Examination of Lily Pollen Grains

 Pollen is studied by archaeologists to learn about ancient communities, by paleobotanists to learn about former environments, and by scientists as part of forensic research, to study climate change, and to explore possibilities for plant breeding. Size, shape, number of apertures, and the surface texture are key characteristics

X-ray Microscopic Examination of an EMV® Chip Card

  Figure 1: Isolated credit card EMV chip contact pad and microchip sides To combat the rise in card skimming and other credit card fraud activities, most credit cards now contain a small EMV chip to boost card security. (EMV stands for Europay, Mastercard, and Visa, which are the

X-ray Microscopic Examination of a Chocolate and Peanut Butter Covered Animal Cracker

In many quality control and quality analysis procedures, non-destructive testing is preferred due to the ability to preserve the sample for additional downstream testing. Micro-CT 3D imaging can play a role in these processes in instances where the throughput of the technique matches or exceeds the sampling rate required

Applications of X-Ray Microscopy for Snake Studies

Micro-CT imaging is highly effective for the comprehensive study of internal structures and skeletal elements of snakes, and can facilitate morphometric studies, phylogenetics analysis, and biomechanics modeling. In addition to skeletal studies, including research on the head, jaw, and tail, current research also focuses on studying venomous snake fangs

How Much Does a Roughness Gauge Cost?

How Much Does A Portable Surface Roughness Tester Cost? A question asked by every customer interested in measuring surface roughness is How Much Does A Portable Surface Roughness Tester Cost? Roughness gauges are relatively inexpensive and the answer will vary depending on the functionality of the tester, but the

Cool Ice particles on Car Windshield

We have done some micro-CT studies of ice in the past but when I went to start my car one morning, I saw some interesting ice crystals on my windshield.  It was really windy so I am guessing that a water droplet got blown around on the glass but

2014 – Happy New Year from Micro Photonics

Micro Photonics wishes you a wonderful, healthy, and successful New Year! Each new year starts with vibrant colors exploding out of the inside of a firework, and sounds filling the streets with joy and camaraderie. Celebrations of the new beginning year stretch around the globe with smiles as everyone

MRS Fall 2013

Today is the last day of the Materials Research Society Fall 2013 meeting and exhibit. Micro Photonics and Bruker Micro-CT are showcasing the new Skyscan 1272 high resolution micro-tomography instrument. Stop by and discuss the amazing new capabilities of the auto-sample changer and other solutions for your projects. Come

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Streamlining Surface Analysis

Multimodal, Native-Environment Measurement is Streamlining Surface Analysis Stephen Buynovsky, a product manager at Micro Photonics

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