Dietary Assessment Device
Dietary Assessment Device - Related Videos
07:33
Therapeutic Effectiveness of a Dietary Supplement for Management of Halitosis in Dogs
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Cited by 20 •
2015
We describe a simple approach for diagnosis of halitosis in dogs as well as a dietary approach for its management. This protocol may be extended to the management of halitosis in humans in the near future.
13:19
Deep Neural Networks for Image-Based Dietary Assessment
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Cited by 13 •
2021
The goal of the work presented in this article is to develop technology for automated recognition of food and beverage items from images taken by mobile devices. The technology comprises of two different approaches - the first one performs food image recognition while the second one performs food image segmentation.
02:10
Assessing Bacterial Motility Using a Microfluidic Device
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2025
Source: Scheidweiler, D., et al. Combining Fluidic Devices with Microscopy and Flow Cytometry to Study Microbial Transport in Porous Media Across Spatial Scales. J. Vis. Exp. (2020).This video demonstrates the use of a microfluidic device to quantify bacterial motility through a porous matrix composed of randomly arranged pillars. Fluorescently labeled bacteria are introduced into the device, imaged via microscopy as they move through the porous matrix into the observation channel, and analyzed...
06:13
Solid Plate-based Dietary Restriction in Caenorhabditis elegans
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Cited by 19 •
2011
Here we present a protocol for performing solid plate-based dietary restriction in C. elegans with killed bacteria.
01:23
Dietary Connections
0 Views •
2019
In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used as energy sources to produce...
FAQs
The device collects information through prompts, meal images, measurements, or monitoring of eating events. Those observations are then converted into estimates of foods consumed, portion sizes, meal timing, and nutrient intake. The resulting data connect eating behavior with measurable dietary variables, allowing researchers to examine not only what people eat, but also when and how eating occurs.
Device-based records can reduce reliance on a person’s ability to remember meals and beverages accurately. By prompting recording or capturing measurements and eating events closer to when they occur, the approach supports a more objective evaluation of intake. This can help behavioral researchers relate dietary patterns to determinants of eating and to changes following an intervention.
Depending on the device design, researchers can examine meal patterns, eating-event timing, beverage intake, portion estimates, and broader relationships between dietary choices and behavior. These measures help distinguish differences in what participants consume from differences in when or how eating occurs. Such distinctions are useful when studying behavioral determinants of diet or interpreting nutrition intervention effects.
Design determines whether the system relies mainly on user prompts, images, measurements, monitored eating events, or a combination of these approaches. Each design therefore emphasizes different observations, such as timing, portion information, or food identification. Selecting a device should match the behavioral question, because the available observations determine which dietary patterns and outcomes can be evaluated.
A typical workflow begins by having participants use the device while meals and beverages occur, with the system prompting entries, capturing images or measurements, or monitoring eating events. Researchers then use the recorded observations to estimate foods, portions, timing, and nutrients. These estimates can be analyzed alongside behavioral measures, intervention data, or health outcomes.
Researchers can use dietary assessment devices when they need to study behavioral determinants of diet, evaluate nutrition interventions, or identify dietary patterns associated with health outcomes. The technology-assisted records provide structured information about intake and eating events, helping investigators examine whether behavior changes correspond with differences in foods, portions, timing, or nutrient intake.
The estimates generated from recorded meals, beverages, portions, timing, and nutrients can give counseling a more individualized behavioral basis than memory-based reporting alone. Clinicians may use these data to identify a person’s observed eating patterns and discuss relevant changes. In this way, device-assisted assessment can support personalized counseling while connecting recommendations to documented dietary behavior.
Within technology-assisted nutrition programs, dietary assessment devices can supply structured information about intake and eating behavior for ongoing evaluation. The data may help program designers assess dietary patterns, examine responses to nutrition interventions, and connect behavioral changes with health outcomes. Improved measurement also supports the design of programs tailored to observed eating behavior rather than relying only on recalled reports.