Organoselenium chemistry-based polymer synthesis

Therefore, it is meaningful to synthesize selenium-containing polymers with various structures. This paper principally gives a summary of the organic reactions of organoselenium compounds and reviews the research on the synthesis of selenium-containing polymers via different methods, such as the use of selenium-containing …

XPath Contains: Text, Following Sibling & Ancestor in …

XPath containsis a function within Xpath expression which is used to search for the web elements that contain a particular text. We can extract all the elements that match the given text value using the XPath contains() function throughout the webpage. Contains in XPath has ability to find the … See more

Selenium-Containing Protein from Selenium-Enriched

Osteoporosis (OP) is a systemic bone disease with loss of bone mass and destruction of the microscopic structure. Many antiosteoporosis drugs have been used for OP therapy, but the therapeutic efficiency remains limited. Therefore, there is an urgent need to develop new drugs for antiosteoporosis treatment. Selenium (Se) is one kind of …

Prospects for the Use of Selenium-Containing Drugs in …

excess and lack of selenium can be extremely dangerous for the human body. This review article discusses the prospects. for the use of selenium in dent istry, in particular in the treatment of ...

Role of Selenium in Plants, Animals, and Humans

At the same time, increases in the selenium content of plant organs, be it due to the use of selenium-containing fertilizers or biofortification technologies, must not be excessively high, because high doses of this element is toxic to plants (30 mg/kg DMB or above), animals, and humans (5 mg/day) (Finley, 2005; Kabata-Pendias, 2010).

automated testing

How to use Xpath 'contains ()' function to locate a Web element in Selenium Webdriver? Ask Question. Asked 9 years, 2 months ago. Modified 6 years, 6 …

SELENIUM-CONTAINING ISOXAZOLAMINE COMPOUND, …

In the second synthesis route for preparing the selenium-containing isoxazolamines represented by general formula I-a, I-b, I-c, I-d, and I-ef, the different substituted 2,2′-diselenylbisbenzaldehydes can respectively react with different 3-amino-2,6-piperidinedione or 3-amino-1,4-dihydropyridine-2-(1H)-one or 3-amino-1-adamantanol or 2 ...

Strategy for Highly Efficient Radioprotection by a Selenium-Containing …

The selenium-containing polymeric drug is prepared by copolymerization of vinyl phenylselenides (VSe) and N-(2-hydroxyethyl) acrylamide (HEA). The in vitro radioprotective efficacy of the polymeric drug is increased by 40% with lower cytotoxicity compared with the small-molecular VSe monomer. Importantly, the radioprotection …

Selenium Uses, Side Effects & Warnings

Selenium side effects. Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Long term use of high selenium doses can lead to dangerous side effects. Stop taking selenium and call your doctor at once if you have: nausea, vomiting;

Selenium-Dependent Antioxidant Enzymes: Actions and …

2. Synthesis of Selenoproteins from Dietary Selenium. Selenocysteine and selenomethionine (SeMet) are similar to cysteine and methionine except that the sulfur (S) atom is substituted by Se [].Yeast and plants do not incorporate Sec and, therefore, do not possess selenoproteins [].However, in a recent study, the analysis of cranberry …

Finding web elements | Selenium

Finding web elements. Locating the elements based on the provided locator values. One of the most fundamental aspects of using Selenium is obtaining element references to work with. Selenium offers a number of built-in locator strategies to uniquely identify an element. There are many ways to use the locators in very advanced scenarios.

Selenium-based pharmacological agents: an update

The biochemistry and pharmacology of selenium is a subject of intense current interest, particularly from the viewpoint of public health. Selenium, long recognised as a dietary antioxidant, is now known to be an essential component of the active sites of several enzymes, including glutathione peroxidase and thioredoxin reductase, which catalyse ...

Selenium Foods: 20 Selenium-Rich Foods for Every Diet

Just make sure you balance enriched foods with plenty of whole, plant-based foods for optimal nutrition. 5. Pork. Three ounces of lean pork contain about 33 mcg of selenium. 6. Beef. The selenium ...

Selenium-Containing Nanoparticles Combine the NK Cells …

Moreover, radiation could oxidize diselenide-containing NPs to seleninic acid, which have both synergistic antitumor effect and immunomodulatory activity through enhancing NK cells function. These results indicate that the selenium-containing NPs would be a potential approach to achieve simultaneous treatments of immunotherapy, chemotherapy ...

How to check if element contains specific text using …

To check if an element has specific text in Selenium Python, find the element using a locator with find_element () method, and read the text attribute of the element. The text …

Synthesis and Applications of Organic Selenols

1 Introduction. Organoselenium compounds include a wide variety of molecules with broad application in organic synthesis, materials science, medicinal chemistry, and biology. 1-3 A growing repertoire of selenium …

How to Find Element by Text in Selenium: Tutorial

text (): A built-in method in Selenium WebDriver that is used with XPath locator to locate an element based on its exact text value. contains (): Similar to the text () method, contains () is another built-in …

5 Best Ways to Find an Element Containing Specific Text in …

Method 1: Using XPath to Find Text. XPath is a powerful language for selecting nodes in an XML document, which can be utilized in Selenium to locate …

Selenium-containing Peptides and their Biological …

Selenium (Se) is an essential trace element with diverse biological functions within the body [1]. An insufficient intake of selenium-containing foods can lead to various diseases related to ...

Selenium-Containing Organic Photovoltaic Materials

Furthermore, we point out the intrinsic stability of selenium-containing materials under maximum-power-point tracking and long-term photo- or thermostress and indicate their potential use in semitransparent and tandem solar cells. At the end, the prospect of future research focuses and the possible applications of selenium …

Use findElement() by Text in Selenium [Complete Text and …

Using findElement () by Text with text () and contains () Methods. Frequently Asked Questions. What is the findElement () method in Selenium? The …

The Role of Selenium in Pathologies: An Updated Review

Beyond the use of classic or novel selenium containing molecules in the form of supplements, biofortification of fruits, vegetables and crops with selenium may also represent a valuable strategy to ensure the general population an adequate selenium intake according to global or local guidelines. Selenium concentration in foodstuffs …

Use findElement() by Text in Selenium [Complete Text and …

Step 9: Use the Selenium RemoteWebDriver to connect to the LambdaTest remote grid using your credentials and the chromeOptions object containing all specified browser capabilities. Step 10: Add a new method to close the browser and terminate the web driver session after each test execution.

Write your first Selenium script | Selenium

Most Selenium users execute many sessions and need to organize them to minimize duplication and keep the code more maintainable. Read on to learn about how to put this code into context for your use case with Using Selenium. Last modified April 8, 2024: Javascript single test file execution ...

Selenium Locators – contains() XPath Function

Using contains (), we not only locate the UI elements using their text, but we can also provide this function with the partial values of attributes in the HTML tags. Let's get started with practical demonstrations. Selenium …

Mechanochemical synthesis of organoselenium compounds

Nevertheless, the inert chemical property, low solubility in organic solvent, and tendency to form transition-metal selenium clusters make direct use of selenium powder for efficient synthesis ...

A perspective of the engineering applications of carbon-based selenium

For example, using glucose-supported selenium containing 33 mg of Se for each 100 m 2 area could enhance the selenium content in rice to over the requirement of GB/T 22499-2008 (i.e., 40 μg/kg). Notably, unlike other foliar fertilizers, the use of carbohydrate-supported selenium does not require any surfactant because the hydroxyl …

A Practical Guide for Finding Elements with Selenium

Find Element By Name. Find Element By Class Name. Find Element By XPath. Find Element By CSS Selector. Find Element By Link Text. Find Element By Partial Link Text. Find Element By Tag Name. 1) …

How to Find Element by Text in Selenium: Tutorial

Run Selenium Tests on Real Device Cloud for Free. Replace the text () method with the following code: // located element with contains() WebElement m = driver.findElement (By.xpath …

Recent Advances in Selenium‐Containing Non‐fullerene …

In this review, we provide a comprehensive summary of recent advancements in selenium-containing acceptor molecules. These include ITIC-based fused ring NFAs, Y6-based fused ring NFAs, Y6-based polymer acceptors, non-fused ring electron acceptors and their application in tandem and ternary OSCs. Additionally, we …

Small molecule selenium-containing compounds: Recent …

Selenium (Se) is an essential micronutrient of organism and has important function. It participates in the functions of selenoprotein in several manners. In recent years, Se has attracted much attention because of its therapeutic potential against several diseases. Many natural and synthetic organic Se-containing compounds were studied …

Selenium-Containing Polymers: Perspectives toward Diverse Applications

Selenium is a semimetallic element lying in group XVI of the periodic table with its chemical properties resembling sulfur. But owing to its relatively low electronegativity and large atomic radius compared with sulfur, selenium also shows unique properties. This feature endows selenium-containing compounds with high reactivity and sensitivity. …

Selenium-Containing Phycocyanin from Se-Enriched …

Selenium (Se) plays an important role in fine-tuning immune responses. Inflammatory bowel disease (IBD) involves hyperresponsive immunity of the digestive tract, and a low Se level might aggravate IBD progression; however, the beneficial effects of natural Se-enriched diets on IBD remain unknown. Pr …

Selenium‐Containing Type‐I Organic

Selenium (Se), as one of the essential trace elements in human body, has been proven to play important roles on in a wide range of biological processes. [34-37] And extensive reports about Se-containing materials indicated the role of Se in cancer cell apoptosis with minimal side effects on normal cells.

Biosynthesis of selenium-containing small molecules in …

Here we use a genome-mining strategy in various microorganisms to uncover a widespread three-gene cluster that encodes a dedicated pathway for producing selenoneine, the selenium analogue of the multifunctional molecule ergothioneine 2,3. We elucidate the reactions of all three proteins and uncover two novel selenium-carbon bond-forming …

Biomedicines | Free Full-Text | Selenium-Containing …

In light of this, a library of 10 selenium-containing diverse compounds was designed and evaluated in this study. These compounds included selenium-substituted indole, coumarin, chromone, oxadiazole, imidazo[1,2-a]pyridine, Imidazo[2,1-b]thiazole, and oxazole, among others. These compounds were screened against Leishmania …

Finding web elements | Selenium

v4.0. Finding web elements. Locating the elements based on the provided locator values. One of the most fundamental aspects of using Selenium is obtaining …

Biosynthesis of selenium-containing small molecules in …

Selenium is an essential micronutrient in diverse organisms. Two routes are known for its insertion into proteins and nucleic acids, via selenocysteine and 2-selenouridine, respectively1. However ...