Results 11 to 20 of about 852,321 (277)

The MTT assay application to measure the viability of spermatozoa: a variety of the assay protocols [PDF]

open access: yesOpen Veterinary Journal, 2021
The MTT reduction assay is one of the methods used to evaluate the viability of sperm. In the assay, a tetrazolium component (MTT) is converted into MTT formazan by some specific enzymes in the viable cells.
Kakanang Buranaamnuay
doaj   +1 more source

Discoloration of teeth due to different intracanal medicaments [PDF]

open access: yesRestorative Dentistry & Endodontics, 2019
ObjectivesThe objective of this study was to assess coronal discoloration induced by the following intracanal medicaments: calcium hydroxide (CH), a mixture of CH paste and chlorhexidine gel (CH/CHX), and triple antibiotic paste (3Mix).Materials and ...
Farzaneh Afkhami   +4 more
doaj   +1 more source

Spectrophotometric determination of salbutamol by oxidative coupling reaction with 1-Naphthylamine-4-sulfonic acid in the presence of potassium per sulfate

open access: yesMedical Journal of Babylon, 2021
Background: Oxidative coupling reactions are among the most important reactions that have wide applications in chemistry, and the oxidative coupling process involves the interaction of two or more organic substances in the presence of an oxidizing agent,
Kameran S Hussein   +2 more
doaj   +1 more source

Diurnal Patterns in Solute Concentrations Measured with In Situ UV-Vis Sensors: Natural Fluctuations or Artefacts?

open access: yesSensors, 2020
In situ spectrophotometers measuring in the UV-visible spectrum are increasingly used to collect high-resolution data on stream water quality. This provides the opportunity to investigate short-term solute dynamics, including diurnal cycling.
Suzanne R. Jacobs   +3 more
doaj   +1 more source

The Effects of Magnetic Resonance Imaging (MRI) On Tensile Strength and Indentation Hardness of Acrylic Resin Denture Base Materials [PDF]

open access: yesAl-Rafidain Dental Journal, 2015
Aims: This study aims to evaluate the effect of (MRI) on physical, and mechanical properties of acrylic resin denture base materials. Materials and Methods: one hundred and ten samples were the total no.
Ahmed I. Al-Khyeet   +2 more
doaj   +1 more source

Clinical evaluation of total and lipid bound sialic acid levels in oral precancer and oral cancer

open access: yesIndian Journal of Medical and Paediatric Oncology, 2012
Aims: Special attention has been given to define the biochemical changes in cell-surface glycoproteins and glycolipids that take place during malignant transformation.
Syed Ahmed Taqi
doaj   +1 more source

In Vitro Evaluation of Tooth-Whitening Potential of Peroxide-Free OTC Dental Bleaching Agents

open access: yesDentistry Journal, 2023
Purpose: To evaluate and compare the tooth-whitening potential of five over-the-counter (OTC), peroxide-free dental bleaching methods as well as an experimental tooth-whitening solution containing 0.1% hydrogen peroxide complexed with doping agents with ...
Marlene Grillon   +3 more
doaj   +1 more source

Instrumental selection of tooth color in prosthodontic rehabilitation [PDF]

open access: yesStomatološki glasnik Srbije, 2007
Tooth color selection in prosthodontics is a very important factor for successful rehabilitation. The aim of this paper was to present different instruments for tooth color selection in prosthodontic rehabilitation.
Đurišić Slobodan   +3 more
doaj   +1 more source

Comparison of computer vision system and colour spectrophotometer for colour measurement of mozzarella cheese

open access: yesApplied Food Research, 2021
The colour of food is one of the most important selection criteria affecting purchasing decision of a consumer. Conventionally, colour is measured using colorimeters and colour spectrophotometer. In recent times, computer vision technology has emerged as
Prashant Saurabh Minz   +1 more
doaj   +1 more source

First Astronomical Application of a Cryogenic TES Spectrophotometer [PDF]

open access: yes, 1999
We report on the first astronomical observations with a photon counting pixel detector that provides arrival time- (delta t = 100ns) and energy- (delta E_gamma < 0.15eV) resolved measurements from the near IR through the near UV.
A. J. Miller   +11 more
core   +2 more sources

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