Pocket-sized invention revolutionizes ability to detect harmful materials

The low-cost cellphone-based Raman spectrometer system can make identifications of unknown biological molecules within minutes

18-Jul-2024 - Imagine knowing what berry or mushroom is safe to eat during a hike or swiftly detecting pathogens in a hospital setting that would traditionally require days to identify. Identification and detection of drugs, chemicals and biological molecules invisible to the human eye can be made possible ...

Novel Raman technique breaks through 50 years of frustration

04-Aug-2023 - Raman spectroscopy — a chemical analysis method that shines monochromatic light onto a sample and records the scattered light that emerges — has caused frustration among biomedical researchers for more than half a century. Due to the heat generated by the light, live proteins are nearly destroyed ...

Endress+Hauser bundles analysis expertise

Subsidiaries SpectraSensors and Kaiser Optical Systems merge into Endress+Hauser Optical Analysis

11-Jan-2022 - Effective 1 January 2022, the Endress+Hauser subsidiaries SpectraSensors, Inc. and Kaiser Optical Systems, Inc. have joined forces to form a new company: Endress+Hauser Optical Analysis, Inc. By consolidating its expertise in the field of laser-based measurement technology, the Group is ...

Cellphone converts into powerful chemical detector

With only $50 worth of components, an ordinary cellphone transforms into a sophisticated scientific instrument, capable of identifying chemicals, drugs, and pathogens

07-May-2021 - Scientists from Texas A&M have developed an extension to an ordinary cellphone that turns it into an instrument capable of detecting chemicals, drugs, biological molecules, and pathogens. The advance is reported in Reviews of Scientific Instruments, by AIP Publishing. Modern cellphones include ...

Researchers report quantum-limit-approaching chemical sensing chip

Study shows improvements to chemical sensing chip that aims to quickly and accurately identify drugs and other trace chemicals

13-Jan-2021 - University at Buffalo researchers are reporting an advancement of a chemical sensing chip that could lead to handheld devices that detect trace chemicals -- everything from illicit drugs to pollution -- as quickly as a breathalyzer identifies alcohol. The chip, which also may have uses in food ...

Researchers dramatically downsize technology for fingerprinting drugs and other chemicals

Tiny photonic chip could fit comfortably within the tip of a finger

01-Sep-2020 - As new infectious diseases emerge and spread, one of the best shots against novel pathogens is finding new medicines or vaccines. But before drugs can be used as potential cures, they have to be painstakingly screened for composition, safety and purity, among other things. Thus, there is an ...

Metrohm acquires B&W Tek

30-Jul-2018 - Metrohm AG from Herisau, Switzerland and B&W Tek from Newark in Delaware, USA are pleased to announce the acquisition of B&W Tek’s Spectroscopy Solution Business, B&W Tek LLC, as well as several overseas subsidiaries. This acquisition contributes to the strategic growth of Metrohm enhancing the ...

Metrohm acquires raman system manufacturer

16-Jan-2018 - Photonic Solutions (IPS) from Monmouth Junction in New Jersey, USA, are pleased to announce the acquisition of IPS by Metrohm AG. The acquisition of IPS contributes to the strategic growth of Metrohm enhancing the company’s capabilities to further develop its portfolio of handheld Raman systems ...

Physicists map the strain in graphene

01-Oct-2015 - An international group of scientists is reporting a breakthrough in the effort to characterize the properties of graphene noninvasively while acquiring information about its response to structural strain. Using Raman spectroscopy and statistical analysis, the group succeeded in taking nanoscale ...

New sensing tech could help detect diseases, fraudulent art, chemical weapons

03-Jun-2015 - From airport security detecting explosives to art historians authenticating paintings, society's thirst for powerful sensors is growing. Given that, few sensing techniques can match the buzz created by surface-enhanced Raman spectroscopy (SERS).Discovered in the 1970s, SERS is a sensing technique ...