Chemically modified optical fibers in advanced technology: An overview

Shukla, Shipra; Kushwaha, Chandra Shekhar; Güner, Tuğrul; Demir, Mustafa M.

doi:10.1016/j.optlastec.2019.02.025

Cited by 43 publications

(21 citation statements)

References 361 publications

(367 reference statements)

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“…These unique properties hinder the replacement with alternative materials maintaining similar performance. [116,177] Moreover, there is a wide range of alternative materials to germanium optical fibers for specific applications, [178][179][180] but they are still not used in ICT devices because of performance losses. [118] New developments in design and performance of products also stimulated alternative metals and materials (in which can possibly lead to environmental benefits due to the performance improvements), which is the case of indium (In) substitutions for liquid crystal display (LCD) screens.…”

Section: Elements and Existing Applicationsmentioning

confidence: 99%

Eco‐Friendly Electronics—A Comprehensive Review

Cenci

Scarazzato

München

et al. 2021

Adv Materials Technologies

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these two phenomena and it is now understood that EEE are both part of the environmental cure and the environmental disease: while the increasing production and disposal of EEE have harmful consequences to the planet, [1] the use of EEE can assist in saving energy and natural resources. The research concerning ecofriendly electronics increased greatly in recent decades due to environmental legislations becoming increasingly rigorous and because of the increase in eco-friendly sought devices, which required business models to adapt in order to participate in this new market share. The concepts of eco-friendly electronics or green electronics comprehends several dimensions of this electronic-environment relationship and has been used loosely for a myriad of initiatives. Hu and Ismail [2] explain that the concept may be used to refer to the i) manufacturing process, through the employment of environmentally friendly processes and the avoidance of hazardous components or chemicals; ii) waste generation (avoidance), via reducing the e-waste impacts through the use of cleaner materials, longer product life, introducing programs to raise awareness and promote reuse/recycling; iii) use of sustainable practice (green computing), through the responsible use of computer resources, for example, by powering down and up devices according to need, reducing energy consumption during inactivity; iv) design, through the development of more efficient components that required less energy to perform, reduce carbon emissions, produce less heat, etc. Yet eco-friendly electronics can also refer to electronics whose purpose is to assist the environment or that do so as a consequence of its main function. Both these groups may be understood as an overlap between the aforementioned categories, and are equipment that optimize energy usage, minimize carbon footprint, detect pollutant concentration, monitor oil spillage, generate renewable energy, etc. There are many and diverse examples of these, such as power electronics, smart grids, and photovoltaic systems. [3] This review is intended to discuss these interactions, define important concepts, and provide an extensive list of ways in which EEE can be eco-friendly, primarily focusing on information and communication technology (ICT) devices, but also addressing items that fall outside of this category such as washing machines and lighting equipment. Initially, the use of electronics in aiding with energy and pollution related Eco-friendliness is becoming an indispensable feature for electrical and electronic equipment to thrive in the competitive market. This comprehensive review is the first to define eco-friendly electronics in its multiple meanings: power saving devices, end-of-life impact attenuators, equipment whose manufacturing uses green processing, electronics that use materials that minimize environmental and health risks, designs that improve lifespan, reparability, etc. More specifically, this review discusses eco-friendly technologies and materials that are being introduced to ...

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Section: Elements and Existing Applicationsmentioning

confidence: 99%

Eco‐Friendly Electronics—A Comprehensive Review

Cenci

Scarazzato

München

et al. 2021

Adv Materials Technologies

View full text Add to dashboard Cite

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“…However, these panels could not afford a uniform distribution of light on the human body parts due to the complex nature of human anatomy, for instance head vertex, hand, and shoulder. Hence, for an efficient PDT, LEF was woven with plastic optical fibers to treat dermatologic diseases like severe acne vulgaris and actinic keratosis [20].…”

Section: Clinical Studiesmentioning

confidence: 99%

Photodynamic therapy with light emitting fabrics: a review

George

Shrivastav

2021

Arch Dermatol Res

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Photodynamic therapy is a powerful tool in the localized and selective treatment of dermatologic diseases, such as actinic keratosis, acne vulgaris, Bowen's disease and basal cell carcinoma. The success of photodynamic therapy is mainly attributed to the development of flexible light sources for homogenous and reproducible illumination during clinical studies. The essential requirement for this therapy includes, a suitable photosensitizer, presence of oxygen and a light of specific wavelength and intensity. The use of light emitting fabric comprising of optical fibers provides an exciting and an efficient way to transfer light directly to the skin uniformly on the infected body parts. As the optical fibers can transmit light from 400 to 1200 nm it is possible to combine light emitting fabric with laser sources for medical applications. This review focusses on the challenges and recent developments in the use of light emitting fabric for photodynamic therapy in clinical studies and its future perspectives.

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“…Labelfree biosensing platforms based on planar optical waveguides have been discussed with respect to their operation principles and performance characteristics [133], four devices for generating SPR using optical fiber are compared for biosensor applications [134]. A survey on modifications of optical fibers and applications in various fieldsespecially diagnosticsin combination with a discussion of future challenges are given in [135]. Nanowires, nanoparticles, and nanoholes are used for biosensing [136].…”

Section: Fibers and Waveguides Without Structurementioning

confidence: 99%

Critical assessment of relevant methods in the field of biosensors with direct optical detection based on fibers and waveguides using plasmonic, resonance, and interference effects

Gauglitz

2020

Anal Bioanal Chem

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Direct optical detection has proven to be a highly interesting tool in biomolecular interaction analysis to be used in drug discovery, ligand/receptor interactions, environmental analysis, clinical diagnostics, screening of large data volumes in immunology, cancer therapy, or personalized medicine. In this review, the fundamental optical principles and applications are reviewed. Devices are based on concepts such as refractometry, evanescent field, waveguides modes, reflectometry, resonance and/or interference. They are realized in ring resonators; prism couplers; surface plasmon resonance; resonant mirror; Bragg grating; grating couplers; photonic crystals, Mach-Zehnder, Young, Hartman interferometers; backscattering; ellipsometry; or reflectance interferometry. The physical theories of various optical principles have already been reviewed in detail elsewhere and are therefore only cited. This review provides an overall survey on the application of these methods in direct optical biosensing. The "historical" development of the main principles is given to understand the various, and sometimes only slightly modified variations published as "new" methods or the use of a new acronym and commercialization by different companies. Improvement of optics is only one way to increase the quality of biosensors. Additional essential aspects are the surface modification of transducers, immobilization strategies, selection of recognition elements, the influence of non-specific interaction, selectivity, and sensitivity. Furthermore, papers use for reporting minimal amounts of detectable analyte terms such as value of mass, moles, grams, or mol/L which are difficult to compare. Both these essential aspects (i.e., biochemistry and the presentation of LOD values) can be discussed only in brief (but references are provided) in order to prevent the paper from becoming too long. The review will concentrate on a comparison of the optical methods, their application, and the resulting bioanalytical quality.

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Chemically modified optical fibers in advanced technology: An overview

Cited by 43 publications

References 361 publications

Eco‐Friendly Electronics—A Comprehensive Review

Eco‐Friendly Electronics—A Comprehensive Review

Photodynamic therapy with light emitting fabrics: a review

Critical assessment of relevant methods in the field of biosensors with direct optical detection based on fibers and waveguides using plasmonic, resonance, and interference effects

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