Recent development and applications of optical and fiber-optic pH sensors

Optical Nanosensors for Chemical Analysis inside Single Living Cells. 1. Fabrication, Characterization, and Methods for Intracellular Delivery of PEBBLE Sensors

1999 • 360 citations

Optical Nanosensors for Chemical Analysis inside Single Living Cells. 2. Sensors for pH and Calcium and the Intracellular Application of PEBBLE Sensors

1999 • 322 citations

Sol-gel glass as a matrix for chemical and biochemical sensing

1997 • 276 citations

Submicrometer Intracellular Chemical Optical Fiber Sensors

1992 • 271 citations

Equilibrium studies on colorimetric plastic film sensors for carbon dioxide

1992 • 221 citations

Doped sol-gel glasses as chemical sensors

1990 • 214 citations

pH optical sensors based on sol–gels: Chemical doping versus covalent immobilization

1998 • 214 citations

Optical measurements of pH using fluorescence lifetimes and phase-modulation fluorometry

1993 • 167 citations

Synthesis and characterization of neutral hydrogen ion-selective chromoionophores for use in bulk optodes

1993 • 155 citations

Development of submicron chemical fiber optic sensors

1992 • 154 citations

Optical sensing of pH using thin films of substituted polyanilines

1997 • 153 citations

High-Performance Fiber-Optic pH Microsensors for Practical Physiological Measurements Using a Dual-Emission Sensitive Dye

1997 • 150 citations

Chemical Sensing Using Sol-Gel Derived Planar Waveguides and Indicator Phases

1995 • 138 citations

Optical waveguide sensor using evanescent wave excitation of fluorescent dye in sol-gel glass

1991 • 134 citations

Polyaniline based optical pH sensor

1997 • 123 citations

Fiber-optic pH sensor based on evanescent wave absorption spectroscopy

1993 • 123 citations

A sol–gel based fiber optic sensor for local blood pH measurements

1997 • 118 citations

Optical sensors for a wide pH range based on azo dyes immobilized on a novel support

1994 • 117 citations

An optical pH sensor with a linear response over a broad range

2000 • 97 citations

Combined Imaging and Chemical Sensing Using a Single Optical Imaging Fiber

1995 • 95 citations

Membranes for optical pH sensors

1993 • 94 citations

A fibre-optic chemical sensor with discrete sensing sites

1991 • 92 citations

Fiber optic pH sensor based on phase fluorescence lifetimes

1993 • 91 citations

Dependence of the fluorescence of immobilized 1-hydroxypyrene-3,6,8-trisulfonate on solution pH: Extension of the range of applicability of a pH fluorosensor

1995 • 88 citations

Novel optical pH-sensor based on a boradiaza-indacene derivative

1997 • 86 citations

Optical sensor for high pH values

1998 • 85 citations

A novel technique for optical fiber pH sensing based on methylene blue adsorption

1995 • 84 citations

New hydrophobic materials for optical carbon dioxide sensors based on ion pairing

1995 • 83 citations

A long-range fiber optic pH sensor prepared by dye doped sol-gel immobilization technique

1998 • 83 citations

Optical sensing of pH based on polypyrrole films

1996 • 82 citations

In Situ Fluorescence Imaging of Localized Corrosion with a pH-Sensitive Imaging Fiber

1997 • 81 citations

Fiber-optic sensors for pH and carbon dioxide using a self-referencing dye

1993 • 79 citations

LED-compatible fluorosensor for measurement of near-neutral pH values

1992 • 77 citations

Miniaturization of organically doped sol-gel materials: a microns-size fluorescent pH sensor

1994 • 75 citations

Intrinsic Sol−Gel Clad Fiber-Optic Sensors with Time-Resolved Detection

1996 • 72 citations

Fibre optic pH sensors prepared by sol-gel immobilisation technique

1991 • 72 citations

Optical sensor for the pH 10?13 range using a new support material

1993 • 72 citations

Polymer-Supported pH Sensors Based on Hydrophobically Bound Luminescent Ruthenium(II) Complexes

1998 • 67 citations

Determination of pH with surface-enhanced Raman fiber optic probes

1992 • 65 citations

Optical pH Sensor Based On Chemical Modification of Polymer Film

1999 • 65 citations

Doped Thin-Film Sensors via a Sol−Gel Process for High-Acidity Determination

1997 • 65 citations

Ammonia-sensitive polymer matrix employing immobilized indicator ion pairs

1995 • 64 citations

Sensitivity enhancement of fluorescent pH indicators by inner filter effects

1991 • 63 citations

Optically Transparent Polyelectrolyte−Silica Composite Materials: Preparation, Characterization, and Application in Optical Chemical Sensing

1997 • 63 citations

Assessment of water quality based on multiparameter fiber optic probe

1998 • 61 citations

Untitled

1998 • 59 citations

Sol-gels and chemical sensors

2007 • 53 citations

Optical Sensors for the Determination of Concentrated Hydroxide

2000 • 51 citations

Study of the performance of an optochemical sensor for ammonia

1996 • 49 citations

pH sensor using Langmuir–Blodgett overlays on polished optical fibers

1997 • 49 citations

Single Fiber-Optic pH Sensor Based on Changes in Reflection Accompanying Polymer Swelling

1994 • 49 citations

A novel fiber-optic pH sensor incorporating carboxy SNAFL-2 and fluorescent wavelength-ratiometric detection

1998 • 46 citations

An Autonomous Sensor and Telemetry System for Low-Level pCO₂ Measurements in Seawater

1998 • 44 citations

Fiber-optic pH sensor based on Poly(o-methoxyaniline)

1997 • 42 citations

Fast Temporal Response Fiber-Optic Chemical Sensors Based on the Photodeposition of Micrometer-Scale Polymer Arrays

1997 • 42 citations

Efficient reagent immobilization procedure for ion-sensitive optomembranes

1997 • 40 citations

Fabrication of Patterned Sensor Arrays with Aryl Azides on a Polymer-Coated Imaging Optical Fiber Bundle

1994 • 37 citations

Experimental results on an optical pH measurement system for bioreactors

1993 • 34 citations

Recent Developments in Organically Doped Sol-Gel Sensors: A Microns-Scale Probe; Successful Trapping of Purified Polyclonal Antibodies; Solutions to the Dopant-Leaching Problem

1994 • 33 citations

Protonation of porphyrins in liquid PVC membranes: Effects of anionic additives and application to pH-sensing

1997 • 33 citations

In-vivo biomedical monitoring by fiber-optic systems

1995 • 33 citations

A sensor for pH based on an optical reflective device coupled to the swelling of an aminated polystyrene membrane

1997 • 32 citations

Evanescent-wave spectroscopic fiber optic pH sensor

1996 • 32 citations

Fibre-optic pH sensor for sea-water monitoring using a single dye

1990 • 31 citations

Spectroscopic Behavior of Acid-Base Indicators after Immobilization on Glass Supports

1991 • 31 citations

Development of a fibre optic micro-optrode for intracellular pH measurements

1997 • 31 citations

A fast response membrane-based pH indicator optode

1993 • 29 citations

Controlled-Pore Glasses Embedded in Plastic Optical Fibers for Gastric pH Sensing Purposes

1994 • 28 citations

Fibre-optical sensor based on fluorescent indicator for monitoring physiological pH values

1995 • 27 citations

Analytical Applications of Optical Imaging Fibers

1995 • 27 citations

Optical pH Sensor of Electrostatically Immobilized Porphyrin on the Surface of Sulfonated-Polystyrene

1994 • 27 citations

A Far-Field-Viewing Sensor for Making Analytical Measurements in Remote Locations

1999 • 26 citations

Combined Imaging and Chemical Sensing of Fertilization-Induced Acid Release from Single Sea Urchin Eggs

1999 • 26 citations

Preparation of pH sensors by covalent linkage of dye molecules to the surface of polystyrene optical fibers

1991 • 24 citations

Optical pH sensors using fluorescence decay time

1993 • 24 citations

A distributed optical fibre fluorosensor for pH measurement

1997 • 23 citations

Optical sensing of high acidity using a sol–gel entrapped indicator

1998 • 23 citations

Wide Range pH Fiber Sensor with Congo-Red- and Methyl-Red-Doped Poly (Methyl Methacrylate) Cladding

1997 • 22 citations

Sensitivity enhancement of fluorescent pH indicators using pH-dependent energy transfer

1995 • 21 citations

Electrochemical immobilization of a pH sensitive fluorescein derivative: synthesis and characterization of a fluorescein-derivatised polythiophene

1998 • 20 citations

Dipicrylamine-modified triacetylcellulose membrane for optical pH and potassium ion measurement

1996 • 20 citations

<title>Development of an extended-range fiber optic pH sensor using evanescent wave absorption of sol-gel-entrapped pH indicators</title>

1995 • 20 citations

pH determination of clay interstitial water using a fiber-optic sensor

1995 • 19 citations

Immobilized bromophenol blue as sensing element in optical pH sensor

1992 • 18 citations

Sol-gel-derived micron scale optical fibers for chemical sensing

1996 • 17 citations

Cellulose based bulk pH optomembranes

1998 • 16 citations

Polymeric encapsulated membrane for optrodes

1999 • 14 citations

An extended-range fibre-optic pH sensor

1993 • 12 citations

Fiber-optic pH sensor for in situ applications

1993 • 11 citations

A Fiber Optic Chemical Sensor for Measurement of Groundwater pH

1993 • 10 citations

A Field-Deployable Dual-Wavelength Fiber-Optic pH Sensor Instrument Based on Solid-State Optical and Electrical Components

1991 • 10 citations

<title>Submicron fiber optic sensors for calcium ions and pH with internal calibration</title>

1997 • 10 citations

Doped Sol-Gel Films for Fiber Optic Chemical Sensors

1994 • 9 citations

A pH sensor constructed with two types of optical fibers: the configuration and the initial results

1993 • 9 citations

pH optrode for the complete working range

1999 • 9 citations

pH-Responsive plastic optical fibres modified with polyion complexed multibilayers containing a poly(methacrylic acid) segment

1991 • 8 citations

Optical pH sensor for the alkaline region

1997 • 5 citations

<title>Demonstration of self-referenced fiber optic moisture and pH sensors using optical time domain reflectometry (OTDR)</title>

1996 • 5 citations

<title>Colorimetric sensor based on two optical fiber couplers</title>

1994 • 4 citations

Multicomponent fiber optical biosensor for use in hemodialysis monitoring

1994 • 4 citations

Development of an optical-fibre sensor using a functional membrane

1993 • 3 citations

<title>pH sensors based on luminescent ruthenium(II) alpha-diimine complexes with diethylaminomethyl sensing groups</title>

1999 • 3 citations

<title>Quasi-distributed optical fibre fluorosensor for pH measurement</title>

1998 • 1 citations

<title>Effect of polymer matrices in lifetime-based sensing</title>

1995 • 1 citations

Deleted Work

1955 • 0 citations

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