Results 11 to 20 of about 20,858 (311)

LIGHt-based rapid detection of starch in tobacco leaves by smartphone sensing [PDF]

open access: yesScientific Reports
A rapid and efficient detection method to detect the total starch in tobacco leaves using smartphone-based anthrone-sulfuric acid colorimetry is established under the framework of the low-cost, immediate, general-purpose, and high-throughput (LIGHt ...
Wenchen Li   +7 more
doaj   +2 more sources

D-Glucose-Mediated Gold Nanoparticle Fabrication for Colorimetric Detection of Foodborne Pathogens [PDF]

open access: yesBiosensors
Gold nanoparticle (AuNP) fabrication via the oxidation of D-glucose is applied for detecting two foodborne pathogens, Enterococcus faecium (E. faecium) and Staphylococcus aureus (S. aureus).
Seo Yeon Park   +2 more
doaj   +2 more sources

Tensor Calculus in Digital Colorimetry

open access: yesПриборы и методы измерений, 2022
Any object can have many implementations in the form of digital images and any digital image can be processed many times increasing or decreasing accuracy and reliability.
Y. N. Saukova, M. A. Hundzina
doaj   +1 more source

Statistical evaluation of a Color Managed Digital Printing Workflow (CMDPW) consistency [4th C of CMW] [PDF]

open access: yesJournal of Graphic Engineering and Design, 2021
The purpose of this applied research was to determine the Color Managed Digital Printing Workflow (CMDPW) consistency (4th C of the color management) over a period of time [100 days, (N = 100)].
Haji Naik Dharavath
doaj   +1 more source

The performance of derivate FTIR spectrophotometry method compared to colorimetry for tranexamic acid tablet content determination [PDF]

open access: yesPharmaciana, 2018
Recently, FTIR reported has been established as a direct content determination for some tablet dosage forms. In the method, infrared transmittance spectra was converted into the derivated absorbance form.
Ilma Nugrahani, Winni Nur Aulia
doaj   +1 more source

Improving the reliability of smartphone-based urine colorimetry using a colour card calibration method

open access: yesDigital Health, 2023
Objective Urine colorimetry using a digital image–based colorimetry is potentially an accessible hydration assessment method. This study evaluated the agreement between urine colorimetry values measured with different smartphone brands under various ...
Muhaimin Noor Azhar   +6 more
doaj   +1 more source

Direct Colorimetry of Imipenem Decomposition as a Novel Cost-Effective Method for Detecting Carbapenemase-Producing Enterobacteria

open access: yesMicrobiology Spectrum, 2022
In the absence of a molecule that would collectively inhibit both metallo-β-lactamases and serine-reactive carbapenemases, containment of their genes is the main weapon currently available for confronting carbapenem resistance in hospitals.
Stathis D. Kotsakis   +5 more
doaj   +1 more source

THE USE OF TRISTIMULUS COLORIMETRY METHOD APPROACHES IN ACID-BASE EQUILIBRIUM STUDY IN DYES SOLUTIONS (REVIEW)

open access: yesVìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, 2020
The present review is concerned with application possibility of tristimulus colorimetry method and argumentation of theoretical basis, and experimental approach of tristimulus colorimetry functions values use as analytical response in studies of acid ...
D. V. Snigur, A. N. Chebotarev
doaj   +1 more source

Metal nanoparticles-based nanoplatforms for colorimetric sensing: A review

open access: yesReviews in Analytical Chemistry, 2021
With the progress of analysis technology and nanotechnology, colorimetric detection has become one of the research hotspots in the field of analytical chemistry.
Xu Ning, Jin Shuang, Wang Li
doaj   +1 more source

The Evaluation of the Detection of Cr(VI) in Leather

open access: yesAnalytica, 2021
The topic of hexavalent chromium (Cr(VI)) in leather has been debated throughout the whole supply chain for years. However, its significance has recently increased due to proposed changes in European legislation concerned with skin-sensitising substances
Stefan John Davis   +4 more
doaj   +1 more source

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