Profiling of Tumor Cell‐Delivered Exosome by Surface Enhanced Raman Spectroscopy‐Based Biosensor for Evaluation of Nasopharyngeal Cancer Radioresistance
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Healthcare Materials"
DOI: 10.1002/adhm.202202482
Abstract: Although the advancement of radiotherapy significantly improves the survival of nasopharyngeal cancer (NPC), radioresistance associated with recurrence and poor outcomes still remains a daunting challenge in the clinical scenario. Currently, effective biomarkers and convenient detection… read more here.
Keywords: spectroscopy; surface enhanced; nasopharyngeal cancer; raman spectroscopy ... See more keywords
Isotope Exchange Raman Spectroscopy (IERS): A Novel Technique to Probe Physicochemical Processes in situ.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202303259
Abstract: We have developed a novel in situ methodology for the direct study of mass transport properties in oxides with spatial and unprecedented time resolution, based on Raman spectroscopy coupled to isothermal isotope exchanges. Changes in the… read more here.
Keywords: isotope exchange; spectroscopy; exchange raman; exchange ... See more keywords
Hot‐Spot Engineering Through Soft Actuators for Surface‐Enhanced Raman Spectroscopy (SERS) Applications
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202100009
Abstract: Surface‐enhanced Raman spectroscopy (SERS) is a powerful analytical tool to detect molecular species at ultralow concentrations. However, considering current approaches, controlling and tuning plasmonic hot‐spot formations where the Raman signal enhancements maximize are still challenging… read more here.
Keywords: surface enhanced; raman spectroscopy; enhanced raman; hot spot ... See more keywords
Real‐time amino acid and glucose monitoring system for the automatic control of nutrient feeding in CHO cell culture using Raman spectroscopy
Sign Up to like & getrecommendations! Published in 2022 at "Biotechnology Journal"
DOI: 10.1002/biot.202100395
Abstract: An innovative, Raman spectroscopy‐based monitoring and control system is introduced in this paper for designing dynamic feeding strategies that allow the maintenance of key cellular nutrients at an ideal level in Chinese hamster ovary cell… read more here.
Keywords: cell culture; spectroscopy; control; real time ... See more keywords
Raman spectroscopy as a process analytical technology to investigate biopharmaceutical freeze concentration processes.
Sign Up to like & getrecommendations! Published in 2021 at "Biotechnology and bioengineering"
DOI: 10.1002/bit.27936
Abstract: Freezing processes are a well-established unit operation in the biopharmaceutical industry to increase the shelf-life of protein-based drugs. While freezing reduces degradation reaction rates, it may also exert stresses such as freeze concentration. Macroscopic freeze… read more here.
Keywords: freeze concentration; process; spectroscopy; concentration ... See more keywords
Bioprocess in-line monitoring using Raman spectroscopy and Indirect Hard Modeling (IHM): A simple calibration yields a robust model.
Sign Up to like & getrecommendations! Published in 2023 at "Biotechnology and bioengineering"
DOI: 10.1002/bit.28424
Abstract: To increase the process productivity and product quality of bioprocesses, the in-line monitoring of critical process parameters is highly important. For monitoring substrate, metabolite, and product concentrations, Raman spectroscopy is a commonly used Process Analytical… read more here.
Keywords: line monitoring; spectroscopy; calibration; model ... See more keywords
Silver‐based surface enhanced Raman spectroscopy devices for detection of organophosphorus pesticides traces
Sign Up to like & getrecommendations! Published in 2019 at "Biotechnology Progress"
DOI: 10.1002/btpr.2809
Abstract: The detection of traces of substances by surface‐sensitive techniques such as surface enhanced Raman spectroscopy (SERS) explores the interaction of adsorbed molecules on plasmonic surfaces to improve the limit of detection of analytes. This article… read more here.
Keywords: surface enhanced; detection; enhanced raman; spectroscopy ... See more keywords
A new flow cell and chemometric protocol for implementing in‐line Raman spectroscopy in chromatography
Sign Up to like & getrecommendations! Published in 2019 at "Biotechnology Progress"
DOI: 10.1002/btpr.2847
Abstract: On‐line monitoring tools for downstream chromatographic processing (DSP) of biotherapeutics can enable fast actions to correct for disturbances in the upstream, gain process understanding, and eventually lead to process optimization. While UV/Vis spectroscopy is mostly… read more here.
Keywords: flow cell; line; spectroscopy chromatography; spectroscopy ... See more keywords
Integrated Cobalt Oxide Based Nanoarray Catalysts with Hierarchical Architectures: In Situ Raman Spectroscopy Investigation on the Carbon Monoxide Reaction Mechanism
Sign Up to like & getrecommendations! Published in 2018 at "ChemCatChem"
DOI: 10.1002/cctc.201800363
Abstract: Herein, a facile strategy for the in situ growth of a Co3O4‐based precursor with unique hierarchical architectures oriented diagonal or perpendicular to Ni surfaces is reported. This strategy to prepare grafted ZIF‐67@Co3O4 and MOF‐199@Co3O4 precursor structures… read more here.
Keywords: hierarchical architectures; co3o4; mechanism; spectroscopy ... See more keywords
Manganese Oxide as an Inorganic Catalyst for the Oxygen Evolution Reaction Studied by X‐Ray Photoelectron and Operando Raman Spectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "ChemCatChem"
DOI: 10.1002/cctc.202001756
Abstract: Manganese oxide (MnOx) is considered a promising material for the oxygen evolution reaction (OER) to replace noble metal catalysts in water splitting. The improvement of MnOx requires mechanistic and kinetic knowledge of the four‐electron transfer… read more here.
Keywords: manganese oxide; oxygen evolution; spectroscopy; ray photoelectron ... See more keywords
Chiral phonons: circularly polarized Raman spectroscopy and ab initio calculations in a chiral crystal tellurium.
Sign Up to like & getrecommendations! Published in 2022 at "Chirality"
DOI: 10.1002/chir.23544
Abstract: Recently, phonons with chirality (chiral phonons) have attracted significant attention. Chiral phonons exhibit angular and pseudoangular momenta. In circularly polarized Raman spectroscopy, the peak split of the Γ 3 $$ {\Gamma}_3 $$ mode is detectable… read more here.
Keywords: chiral phonons; spectroscopy; polarized raman; raman spectroscopy ... See more keywords