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Characterization of the degradation of dipyrone (metamizole) in expired oral pharmaceutical products by Raman spectroscopy and principal component analysis (PCA)

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (5)

Stability studies are essential to ensure that a drug maintains its qualities after leaving the production line until the end of the validity date. Th......

Development of a wireless passive capacitively coupled contactless conductivity detection (WPC4D) for fluidic flow detection utilizing 3D printing and PCB technologies

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (6)

A modified capacitive-coupled contactless conductivity sensor is proposed and developed for microfluidic flow detection based on the passive wireless ......

Characterization of a polyvinylidene fluoride (PVDF) nanofiber film coated with carbon nanotubes (CNTs) on a polyimide substrate by integrated experimental measurements and computational analysis

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; ()

In this work, a strain sensor was fabricated using conductive electrospun polyvinylidene fluoride (PVDF) nanofiber film coated with carbon nanotubes (......

Piecewise modified Prandtl-Ishlinskii model for precise nano-positioning

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; ()

Piezoelectric ceramic, an indispensable micro-nano actuator, has advantages of small size, high sensitivity and strong controllability, which is widel......

Monitoring relative humidity using a Mach-Zehnder interferometer (MZI) senor based upon a photonic crystal fiber (PCF) coated with polyvinyl alcohol (PVA)

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (2)

A relative humidity (RH) sensor is reported based upon a photonic crystal fiber (PCF) - Mach-Zehnder interferometer (MZI) with a polyvinyl alcohol (PV......

Strain optical fiber sensor with modified sensitivity based on the vernier effect

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (4)

An optical fiber strain sensor with adjustable sensitivity is proposed and demonstrated. The strain sensing setup employs a fiber optic Michelson inte......

Deep learning based force recognition using the specklegrams from multimode fiber

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (6)

The force induced variations of interferences in multimode fiber (MMF) are recognized by the output specklegrams. In this work, the classification of ......

Double-sided photonic crystal fiber (PCF) temperature and refractive index (RI) sensor based on surface plasmon resonance (SPR)

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (1)

A double-sided photonic crystal fiber (PCF) temperature and refractive index (RI) sensor based on surface plasmon resonance (SPR) is reported to simul......

Artificial intelligence (AI) based system for the diagnosis and classification of scalp health: AI-ScalpGrader

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (4)

Many people suffer from scalp disorders but common treatment devices have faults such as inaccuracy of results and inconvenience of use. This study pr......

Facility for aerosol monitoring instruments (ManDust): design and fabrication of a versatile diffuser tower with isokinetic sampling probes

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (4)

There is a growing demand for a flexible, precise calibration facility for aerosol monitoring instruments. This study investigated ManDust1, an aeroso......

Signal drift modeling and analysis of an intelligent instrument using a multivariate adaptive regression splines technique

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; ()

Signal drift is an important failure mode of intelligent instruments under the combined effect of complex loading conditions and usually exhibits stro......

Potentiometry lipid membrane based electronic tongue for the classification of mint in tea by principal component analysis (PCA) and linear discrimination analysis (LDA)

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (5)

The principles of the electronic tongue sensor include potentiometry using a type of electrode with a liquid junction design. Mint leaves are widely u......

Design and evaluation of a volatile particle remover combining hot dilution and a thermodenuder

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (5)

Portable and efficient removal of volatile particles from motor vehicle exhaust is essential for the accurate measurement of involatile solid particle......

Development of a fog droplet sampler with multi-segment structure and specific temperature control

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; ()

Accurate and efficient sampling of fog droplets is a prerequisite for online measurement. The performance of such a sampler relies on the internal flo......

Determination of methane during anaerobic digestion by tunable diode laser absorption spectroscopy (TDLAS)

期刊: INSTRUMENTATION SCIENCE & TECHNOLOGY, 2023; 51 (5)

This paper presents the design and application of a near-infrared laser absorption-based sensor for methane measurements during anaerobic digestion us......

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