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The lack of rapid antibiotic susceptibility tests adversely affects the treatment of bacterial infections and contributes to increased prevalence of multidrug resistant bacteria. Here, we describe an all-electrical approach that allows for…

Applied Physics · Physics 2020-05-06 Yichao Yang , Kalpana Gupta , Kamil L. Ekinci

We report on widefield microwave vector field imaging with sub um resolution using a microfabricated alkali vapor cell. The setup can additionally image dc magnetic fields, and can be configured to image microwave electric fields. Our…

Atomic Physics · Physics 2015-12-16 Andrew Horsley , Guan-Xiang Du , Philipp Treutlein

A moisture-driven air capture system was developed and demonstrated for cultivating cyanobacteria and microalgae at the flask (50 mL), bench (12 L) and small pilot (840 L) scale. Purolite A501 anion exchange resin beads were found to be…

This study presents a collection of physical devices and software services that fully automate Raman spectra measurements for liquid samples within a robotic facility. This method is applicable to various fields, with demonstrated efficacy…

Machine vision for plant phenotyping is an emerging research area for producing high throughput in agriculture and crop science applications. Since 2D based approaches have their inherent limitations, 3D plant analysis is becoming state of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Ayan Chaudhury , Christopher Ward , Ali Talasaz , Alexander G. Ivanov , Mark Brophy , Bernard Grodzinski , Norman P. A. Huner , Rajni V. Patel , John L. Barron

Measuring microorganisms in food products is a critical issue for food safety and human health. Although various approaches for detecting low-levels of microorganisms in food have been developed, they require high-cost, complex equipment,…

Quantitative Methods · Quantitative Biology 2016-03-25 Jonghee Yoon , KyeoReh Lee , YongKeun Park

The Annotated Germs for Automated Recognition (AGAR) dataset is an image database of microbial colonies cultured on agar plates. It contains 18000 photos of five different microorganisms as single or mixed cultures, taken under diverse…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Sylwia Majchrowska , Jarosław Pawłowski , Grzegorz Guła , Tomasz Bonus , Agata Hanas , Adam Loch , Agnieszka Pawlak , Justyna Roszkowiak , Tomasz Golan , Zuzanna Drulis-Kawa

Aquaculture, the farming of aquatic organisms, is a rapidly growing industry facing challenges such as water quality fluctuations, disease outbreaks, and inefficient feed management. Traditional monitoring methods often rely on manual labor…

Machine Learning · Computer Science 2026-01-06 Achraf Hsain , Yahya Zaki , Othman Abaakil , Hibat-allah Bekkar , Yousra Chtouki

Absorption microscopy is a powerful technique, enabling the detection of single non- fluorescent molecules at room temperature. So far, the molecular absorption has been probed optically via the attenuation of a probing laser. The…

Applied Physics · Physics 2018-11-21 Miao-Hsuan Chien , Mario Brameshuber , Gerhard J. Schütz , Silvan Schmid

The Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission (ARCADE) is a balloon-borne instrument designed to measure the temperature of the cosmic microwave background at centimeter wavelengths. ARCADE searches for…

Astrophysics · Physics 2009-11-11 A. Kogut , D. Fixsen , S. Fixsen , S. Levin , M. Limon , L. Lowe , P. Mirel , M. Seiffert , J. Singal , P. Lubin , E. Wollack

This work describes a new microfluidic device developed for rapid screening of solubility diagrams. In several parallel channels, hundreds of nanoliter-volume droplets of a given solution are first stored with a gradual variation in the…

Soft Condensed Matter · Physics 2007-05-23 P. Laval , N. Lisai , J. -B. Salmon , M. Joanicot

A microstructured graphitic 4x4 multielectrode array was embedded in a single crystal diamond substrate (4x4 {uG-SCD MEA) for real-time monitoring of exocytotic events from cultured chromaffin cells and adrenal slices. The current approach…

Instrumentation and Detectors · Physics 2016-08-26 F. Picollo , A. Battiato , E. Bernardi , A. Marcantoni , A. Pasquarelli , E. Carbone , P. Olivero , V. Carabelli

We present a spectrophotometer (optical density meter) combined with electromagnets dedicated to the analysis of suspensions of magnetotactic bacteria. The instrument can also be applied to suspensions of other magnetic cells and magnetic…

Aggregation-based assays, using micro- and nano-particles have been widely accepted as an efficient and cost-effective bio-sensing tool, particularly in microbiology, where particle clustering events are used as a metric to infer the…

Instrumentation and Detectors · Physics 2018-12-31 Yichen Wu , Aniruddha Ray , Qingshan Wei , Alborz Feizi , Xin Tong , Eva Chen , Yi Luo , Aydogan Ozcan

We introduce a new image cytometer design for detection of very small particulate and demonstrate its capability in water analysis. The device is a compact microscope composed of off the shelf components, such as a light emitting diode…

Optics · Physics 2016-02-17 Juan Miguel Pérez , Marc Jofre , Pedro Martínez , Valerio Pruneri

Advanced cell culture techniques such as 3D bio-printing and hydrogel-based cell embedding techniques harbor many new and exciting opportunities to study cells in environments that closely recapitulate in-vivo conditions. Researchers often…

Quantitative Methods · Quantitative Biology 2022-09-08 Alexander J McGhee , Eric O McGhee , Jack E Famiglietti , W. Gregory Sawyer

Anaerobic digestion (AD) offers a sustainable biotechnology to recover resources from carbon-rich wastewater, such as food-processing wastewater. Despite crude wastewater characterisation, the impact of detailed chemical fingerprinting on…

Quantitative Methods · Quantitative Biology 2025-01-14 Ellen Piercy , Xinyang Sun , Peter R Ellis , Mark Taylor , Miao Guo

With the continuing advances in scientific instrumentation, scanning microscopes are now able to image physical systems with up to sub-atomic-level spatial resolutions and sub-picosecond time resolutions. Commensurately, they are generating…

There exists an urgent need for efficient tools in disease surveillance to help model and predict the spread of disease. The transmission of insect-borne diseases poses a serious concern to public health officials and the medical and…

Robotics · Computer Science 2020-09-01 Keran Ye , Gustavo J. Correa , Tom Guda , Hanzhe Teng , Anandasankar Ray , Konstantinos Karydis

Microorganisms hosted in abiotic structures have led to engineered living materials that can grow, sense and adapt in ways that mimic biological systems. Although porous structures should favor colonization by microorganisms, they have not…

Materials Science · Physics 2024-12-12 Alessandro Dutto , Anton Kan , Zoubeir Saraw , Aline Maillard , Daniel Zindel , André R. Studart