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Imaging Photoplethysmography: What are the Best Locations on the Face to Estimate Heart Rate?

Jean-Marc Vesin, Sibylle Fallet, Fabian Braun, Virginie Moser

The potential of imaging photoplethysmography for cardiovascular monitoring applications has been demonstrated recently. Various processing schemes have been proposed to extract heart rate (HR) from a defined region of interest (ROI) on the face. However, ...

2016

METHOD AND DEVICE FOR DETERMINING THE APICAL POSITION IN A DENTAL ROOT CANAL

Pierre-André Farine, Cyril Botteron

The invention relates to an apex-locating method and device for determining the depth position of the apex in a dental root canal. It uses a device that makes it possible to form a circuit comprising a first electrode-probe inserted in the root canal of a ...

2009

Pharmacokinetics and pharmacodynamics of tetra(m-hydroxyphenyl)chlorin in the hamster cheek pouch tumor model: comparison with clinical measurements

Hubert van den Bergh, Georges Wagnières, Alain Woodtli

The pharmacokinetics (PK) of the photosensitizer tetra(m-hydroxyphenyl)chlorin (mTHPC) was measured by optical fiber-based light-induced fluorescence spectroscopy (LIFS) in the normal and tumoral cheek pouch mucosa of 29 Golden Syrian hamsters with chem. i ...

Elsevier2000

Stability of the fluorescence measurement of Foscan in the normal human oral cavity as an indicator of its content in early cancers of the esophagus and the bronchi

Hubert van den Bergh, Georges Wagnières, Matthieu Philippe Emmanuel Zellweger

Photodynamic therapy (PDT) with Foscan (mTHPC) is used to cure early cancers of the esophagus or the tracheobronchial tree. However, fixed PDT parameters (drug dose, light dose, etc.) do not permit an accurate prediction of the tissue damage. Large interpa ...

1999

Pharmacokinetics of meso-(tetrahydroxyphenyl)chlorin (mTHPC) studied by fluorescence spectroscopy on early cancer of the cheek pouch mucosa of Golden Syrian hamsters

Hubert van den Bergh, Georges Wagnières

Golden Syrian hamsters are evaluated as an animal model for phototherapy of early squamous cell carcinomas of the mucosa of the upper aerodigestive tract, the esophagus and the tracheobronchial tree. Carcinomas of this type are induced on the hamster cheek ...

1995

In-vivo measurement of fluorescence bleaching of meso-tetra hydroxy phenyl chlorin (mTHPC) in the esophagus and the oral cavity

Hubert van den Bergh, Georges Wagnières

In vivo spectrofluorometric analysis during photodynamic therapy (PDT) is a tool to obtain information about fluorophore bleaching kinetics in tissue. Using a cylindrical esophageal light distributor for PDT with an integrated sensing fiber, together with ...

1995

In-vivo measurement of fluorescence bleaching of meso-tetra hydroxy phenyl chlorin (mTHPC) in the esophagus and the oral cavity

Hubert van den Bergh, Georges Wagnières

In vivo spectrofluorometric anal. during photodynamic therapy (PDT) is a tool to obtain information about fluorophore bleaching kinetics in tissue. Using a cylindrical esophageal light distributor for PDT with an integrated sensing fiber, together with a f ...

1995

Clinical LIF pharmacokinetic measurements with Photofrin II for optimizing the photodetection of early cancer

Hubert van den Bergh, Georges Wagnières, André Châtelain

New results are presented on the pharmacokinetics of the fluorescing fraction of Photofrin II in patients with an early cancer in the oesophagus or the buccal cavity. The light-induced fluorescence signal shows a relatively high contrast between tumor and ...

1992

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Imaging Photoplethysmography: What are the Best Locations on the Face to Estimate Heart Rate?

METHOD AND DEVICE FOR DETERMINING THE APICAL POSITION IN A DENTAL ROOT CANAL

Stem cells of stratified epithelia

Pharmacokinetics and pharmacodynamics of tetra(m-hydroxyphenyl)chlorin in the hamster cheek pouch tumor model: comparison with clinical measurements

Stability of the fluorescence measurement of Foscan in the normal human oral cavity as an indicator of its content in early cancers of the esophagus and the bronchi

Pharmacokinetics of meso-(tetrahydroxyphenyl)chlorin (mTHPC) studied by fluorescence spectroscopy on early cancer of the cheek pouch mucosa of Golden Syrian hamsters

In-vivo measurement of fluorescence bleaching of meso-tetra hydroxy phenyl chlorin (mTHPC) in the esophagus and the oral cavity

In-vivo measurement of fluorescence bleaching of meso-tetra hydroxy phenyl chlorin (mTHPC) in the esophagus and the oral cavity

Clinical LIF pharmacokinetic measurements with Photofrin II for optimizing the photodetection of early cancer

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Chat with Graph Search

Imaging Photoplethysmography: What are the Best Locations on the Face to Estimate Heart Rate?

Pharmacokinetics and pharmacodynamics of tetra(m-hydroxyphenyl)chlorin in the hamster cheek pouch tumor model: comparison with clinical measurements

Stem cells of stratified epithelia

Stability of the fluorescence measurement of Foscan in the normal human oral cavity as an indicator of its content in early cancers of the esophagus and the bronchi

Pharmacokinetics of meso-(tetrahydroxyphenyl)chlorin (mTHPC) studied by fluorescence spectroscopy on early cancer of the cheek pouch mucosa of Golden Syrian hamsters

In-vivo measurement of fluorescence bleaching of meso-tetra hydroxy phenyl chlorin (mTHPC) in the esophagus and the oral cavity

In-vivo measurement of fluorescence bleaching of meso-tetra hydroxy phenyl chlorin (mTHPC) in the esophagus and the oral cavity

Clinical LIF pharmacokinetic measurements with Photofrin II for optimizing the photodetection of early cancer