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pH News
Marine Algae Optical Fiber Boasts Applications in Range of Medical and Scientific Environments
SÃO PAULO, Aug. 7, 2020 — Researchers at the University of Campinas (UNICAMP) in Brazil and Gunma University in Japan have designed an optical fiber from agar, the natural gelatin obtained from marine algae. In addition to being edible, the fiber is biodegradable and biocompatible — qualities that give the researchers the ability to use its waveguide for in vivo applications such as imaging, light delivery, and sensing. The fiber may also play a valuable role in medical settings. A medical professional could
Stimulated Emission Enhances Fluorescence Detection
TAIPEI, Taiwan, March 4, 2014 — Stimulated emission (SE) can now be used to detect the signal-to-noise ratio (SNR) of fluorescence and convert it to a coherent signal.
Precise sensor made of hydrogels
WEST LAFAYETTE, Ind. – A new type of biological and chemical sensor made of thin stripes of hydrogel, a gelatinous material that expands and contracts depending upon the acidity of its environment, has been developed by researchers at Purdue University. The sensors,...
Hydrogels Form Precise Sensor
WEST LAFAYETTE, Ind., March 1, 2011 — Researchers are developing a new type of biological and chemical sensor that has few moving parts, is low-cost and yet highly sensitive, sturdy and long-lasting. The "diffraction-based" sensors are made of thin stripes of a gelatinous material...
Laser-treated Parchment Creates Microfluidic Device
WEST LAFAYETTE, Ind., Jan. 26, 2011 — Using lasers to create patterns on common parchment paper, researchers are now able to make "microfluidic" devices for rapid medical diagnostics and chemical analysis. The innovation represents a way to enhance commercially available diagnostic...
Nanogenerators Power New Sensors
ATLANTA, Ga., March 29, 2010 — By combining a new generation of piezoelectric nanogenerators with two types of nanowire sensors, researchers have created what are believed to be the first self-powered nanometer-scale sensing devices that draw power from the conversion of...
A New World of Fiber Sensors
Oct 1, 2009 — Optical fiber is well-known for its ability to carry information at high speeds over long distances. Twenty years after the first transatlantic fiber optic cable was laid, these strands of ultrapure glass continue to offer unrivaled bandwidths. They...
'Nanoshells' Meter Measures pH in Living Cells
HOUSTON, Texas, July 6, 2006 -- Using unique nanoparticles that convert laser light into useful information, scientists have created the first nanosized pH meter. The discovery presents biologists with the first potential means of measuring accurate pH changes in real-time, inside...
Ocean Optics Expands Its Services
Aug 3, 2005 — Dunedin, Fla., Aug. 3 -– Ocean Optics has expanded its optical-sensor coating services to provide OEMs and product developers new solutions in creating proprietary accessories for chemical-sensing applications. Clients can now develop and...
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May 2024
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