Month: February 2023

Highly-conformal nanocrystalline molybdenum nitride thin films by atomic layer deposition as a diffusion barrier against Cu was written by Jang, Yujin;Kim, Jun Beom;Hong, Tae Eun;Yeo, So Jeong;Lee, Sunju;Jung, Eun Ae;Park, Bo Keun;Chung, Taek-Mo;Kim, Chang Gyoun;Lee, Do-Joong;Lee, Han-Bo-Ram;Kim, Soo-Hyun. And the article was included in Journal of Alloys and Compounds in 2016.Quality Control of Sodium 2-methyl-2-propanethiolate This article mentions the following:

Molybdenum nitride (Mo₂N) thin films were grown by at. layer deposition (ALD) using a sequential supply of a newly synthesized Mo metalorganic precursor, Mo(N^tBu)₂(S^tBu)₂, and H₂ plasma at a substrate temperature of 300 °C. A newly proposed ALD system exhibited typical ALD characteristics, such as a self-limited film growth and a linear dependency of the film thickness on the number of ALD cycles, and showed a growth rate of 0.028 nm/cycle on a thermally grown SiO₂ substrate. Such the ideal ALD growth characteristics enabled excellent step coverage of ∼80% for the ALD-grown Mo₂N film onto nano-trenches with a width of 25 nm and an aspect ratio ∼4.5. The optimized film had a resistivity as low as ∼350 μΩ-cm. X-ray diffraction, Rutherford backscattering spectrometry, and XPS analyses confirmed that formation of N-rich cubic Mo₂N (N/Mo = ∼0.7) phase with carbon and sulfur impurities of 2.6 and 7.4 at.%, resp. Plan-view transmission electron microscopy anal. showed that the film formed a nanocrystalline microstructure with 5-8-nm-sized grains embedded in an amorphous matrix. An ultrathin (only ∼4 nm-thick) ALD-grown Mo₂N film effectively prevented diffusion of Cu into Si after annealing at a temperature even up to 650 °C. In the experiment, the researchers used many compounds, for example, Sodium 2-methyl-2-propanethiolate (cas: 29364-29-2Quality Control of Sodium 2-methyl-2-propanethiolate).

Sodium 2-methyl-2-propanethiolate (cas: 29364-29-2) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Quality Control of Sodium 2-methyl-2-propanethiolate

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Differences in molecular structure in cross-linked polycationic nanoparticles synthesized using ARGET ATRP or UV-initiated polymerization was written by Forbes, D. C.;Peppas, N. A.. And the article was included in Polymer in 2013.Related Products of 109-17-1 This article mentions the following:

This work compares material properties of polycationic nanoparticles synthesized using the techniques of UV-initiated polymerization or ARGET ATRP and relates differences in material properties to differences in mol. structure. The nanoparticles are based on the pH-responsive monomer 2-(diethylamino)ethyl methacrylate (DEAEMA) copolymerized with poly(ethylene glycol) Me ether methacrylate (PEGMA), tert-Bu methacrylate (tBMA), and tetraethylene glycol dimethacrylate (TEGDMA) in a surfactant-stabilized monomer-in-water emulsion to form cross-linked nanoscale hydrogels. ARGET ATRP resulted in a narrower distribution of mol. weight for linear analogs of the polycationic nanoparticles. In addition, ARGET ATRP formulations showed a sharper glass transition than UV-initiated formulations, indicating increased homogeneity. These networks could be used as drug delivery carriers or for other nanogel applications that would benefit from polycationic nanoparticles with high homogeneity. In the experiment, the researchers used many compounds, for example, ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-methylacrylate) (cas: 109-17-1Related Products of 109-17-1).

((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-methylacrylate) (cas: 109-17-1) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Related Products of 109-17-1

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Thiol-Yne click chemistry of acetylene-enabled macrocyclization was written by Lu, Shiwei;Wang, Zipeng;Zhu, Shifa. And the article was included in Nature Communications in 2022.Recommanded Product: 2,2′-Oxybis(ethan-1-ol) This article mentions the following:

Herein reported a photocatalyzed thiol-yne click reaction to forge diverse sulfur-containing macrocycles (up to 3,5-membered ring) and linear C2-linked 1,2-(S-S/S-P/S-N) functionalized mols., starting from the simplest alkyne, acetylene. Preliminary mechanistic experiments supported a visible light-mediated radical-polar crossover dihydrothiolation process. This operationally straightforward reaction was also amenable to the synthesis of organometallic complexes, bis-sulfoxide ligand and a pleuromutilin antibiotic drug Tiamulin, which provided a practical route to synthesize highly valued compounds from the feedstock acetylene gas. In the experiment, the researchers used many compounds, for example, 2,2′-Oxybis(ethan-1-ol) (cas: 111-46-6Recommanded Product: 2,2′-Oxybis(ethan-1-ol)).

2,2′-Oxybis(ethan-1-ol) (cas: 111-46-6) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.Recommanded Product: 2,2′-Oxybis(ethan-1-ol)

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Photocatalytic Dehydroxymethylative Arylation by Synergistic Cerium and Nickel Catalysis was written by Chen, Yuegang;Wang, Xin;He, Xu;An, Qing;Zuo, Zhiwei. And the article was included in Journal of the American Chemical Society in 2021.Safety of 2-(4-(Trifluoromethyl)phenyl)ethanol This article mentions the following:

Under mild reaction conditions with inexpensive cerium and nickel catalysts, easily accessible free alcs. can now be utilized as operationally simple and robust carbon pronucleophiles in selective C(sp³)-C(sp²) cross-couplings. Facilitated by automated high-throughput experimentation, sterically encumbered benzoate ligands have been identified for robust cerium complexes, enabling the synergistic cooperation of cerium catalysis in the emerging metallaphotoredox catalysis. A broad range of free alcs. and aromatic halides can be facilely employed in this transformation, representing a new paradigm for the C(sp³)-C(sp²) bond construction between free alcs. and aryl halides with the extrusion of formaldehyde. Moreover, mechanistic investigations have been conducted, leading to the identification of a tribenzoate cerium(III) complex as a viable intermediate. In the experiment, the researchers used many compounds, for example, 2-(4-(Trifluoromethyl)phenyl)ethanol (cas: 2968-93-6Safety of 2-(4-(Trifluoromethyl)phenyl)ethanol).

2-(4-(Trifluoromethyl)phenyl)ethanol (cas: 2968-93-6) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Safety of 2-(4-(Trifluoromethyl)phenyl)ethanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Sulfuryl Fluoride Promoted Thiocyanation of Alcohols: A Practical Method for Preparing Thiocyanates was written by Zhang, Guofu;Xuan, Lidi;Zhao, Yiyong;Ding, Chengrong. And the article was included in Synlett in 2020.Safety of (2,4-Dichlorophenyl)methanol This article mentions the following:

A novel SO₂F₂-promoted thiocyanation method for the one-step synthesis of thiocyanates RCH₂SCN [R = Ph, 2-pyridyl, CH₂(CH₂)₅CH₃, etc.] through C-O bond cleavage of alcs. RCH₂OH with ammonium thiocyanate as the thiocyanating agent was developed. The method avoided the use of addnl. catalyst and a variety of (hetero)arene, alkene and aliphatic alcs. reacted with high efficiency in Et acetate under mild conditions to afford the corresponding thiocyanates RCH₂SCN in excellent to quant. yields with broad functional-group compatibility. In the experiment, the researchers used many compounds, for example, (2,4-Dichlorophenyl)methanol (cas: 1777-82-8Safety of (2,4-Dichlorophenyl)methanol).

(2,4-Dichlorophenyl)methanol (cas: 1777-82-8) belongs to alcohols. A strong base can deprotonate an alcohol to yield an alkoxide ion (R―O−). For example, sodamide (NaNH2), a very strong base, abstracts the hydrogen atom of an alcohol. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Safety of (2,4-Dichlorophenyl)methanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Xanthan gum modified fish gelatin and binary culture modulates the metabolism of probiotics in fermented milk mainly via amino acid metabolism pathways was written by Le, Yi;Yang, Hongshun. And the article was included in Food Research International in 2022.Recommanded Product: 1,2-Propanediol This article mentions the following:

1H NMR combined with multivariate data anal. were applied to investigate the effects of fish gelatin (FG) addition and co-culture of Lactobacillus acidophilus LA-5 (La-5) and Bifidobacterium lactis BB-12 (Bb-12) on the growth and metabolic pathways of the probiotics themselves. The results showed that the addition of FG had no significant effects on the growth of probiotics, but co-culture did promote the growth of probiotics, especially for Bb-12 (up to 2 log CFU/mL). FG addition inhibited amino acids synthesis and TCA cycling in Lacticaseibacillus paracasei subsp. paracasei CASEI 431 (L431) to some extent. However, for the single La-5 strain, these pathways were promoted. As for mixed bacterial cultures, Bb-12 promoted amino acids metabolism, sugar transport and energy metabolism in La-5. These findings suggested that the metabolic profile of probiotic bacteria can be adequately explained by metabolic pathway anal., which also provides theor. guidance for the industrialization of functional fermented milk. In the experiment, the researchers used many compounds, for example, 1,2-Propanediol (cas: 57-55-6Recommanded Product: 1,2-Propanediol).

1,2-Propanediol (cas: 57-55-6) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Recommanded Product: 1,2-Propanediol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Antibacterial, antioxidative and sensory properties of Ziziphora clinopodioides-Rosmarinus officinalis essential oil nanoencapsulated using sodium alginate in raw lamb burger patties was written by Karimifar, Pourya;Saei-Dehkordi, S. Siavash;Izadi, Zahra. And the article was included in Food Bioscience in 2022.Electric Literature of C10H14O This article mentions the following:

This study was aimed to encapsulate Ziziphora clinopodioides-Rosmarinus officinalis essential oil (Z-REO) using sodium alginate (NaAlg) and to evaluate its performance on antimicrobial and antioxidative activities and sensory attributes in lamb burger patties during cold storage for 12 days. GC-MS anal. of Z-REO indicated carvacrol (21.5%) and thymol (16.9%) were the major components. SEM images showed the formation of encapsulated particles. The presence of encapsulated Z-REO in NaAlg was proved based on the increase in band intensity of FTIR spectra. By increasing mass ratios of NaAlg:Z-REO from 1:1 to 2:1, and 4:1, encapsulation efficiency was increased. Average zeta-potential values (mV) of the mass ratios 4:1 and 2:1 were -48.67 and -44.83, indicating the stability of encapsulated particles. The average size of particles ranged from 159.14 nm to 256.14 nm. The results showed that the encapsulated nanoparticles could markedly decrease the growth of inoculated Escherichia coli O157:H7 and Staphylococcus aureus and delay the lipid oxidation of lamb patties compared to the control samples and in samples with free Z-REO. Furthermore, nanoparticles efficiently decreased discoloration and off-odor development in the patties. Therefore, NaAlg-Z-REO nanoparticles could efficiently reduce bacterial growth and oxidative or sensory deterioration of lamb patties during storage. In the experiment, the researchers used many compounds, for example, 5-Isopropyl-2-methylphenol (cas: 499-75-2Electric Literature of C10H14O).

5-Isopropyl-2-methylphenol (cas: 499-75-2) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Electric Literature of C10H14O

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Growth of hafnium dioxide thin films by MOCVD using a new series of cyclopentadienyl hafnium compounds was written by Carta, Giovanni;El Habra, Naida;Rossetto, Gilberto;Torzo, Giacomo;Crociani, Laura;Natali, Marco;Zanella, Pierino;Cavinato, Gianni;Matterello, Valentina;Rigato, Valentino;Kaciulis, Saulius;Mezzi, Alessio. And the article was included in Chemical Vapor Deposition in 2007.COA of Formula: C6H15NO This article mentions the following:

Thin films of HfO₂ are grown by metal-organic (MO)CVD on Si(001) and fused quartz substrates at 400-500 °C, using a new series of bis-cyclopentadienyl bis-amino-alkoxide hafnium precursors, namely [(C₅H₅)₂Hf{OC(CH₃)₂CH₂N (CH₃)₂}₂] and [(C₅H₅)₂Hf{OCH(CH₃)CH₂N(CH₃)₂}₂], stable in air because of their strong coordination to the metal center. The films obtained are investigated by X-ray diffraction (XRD), XPS, Rutherford backscattering spectroscopy (RBS), and at. force microscopy (AFM). Monoclinic phase HfO₂ (baddeleyite) films, characterized by a correct stoichiometric ratio and a granular surface morphol. with a roughness/thickness ratio that decreases with increasing deposition rate, are obtained. In the experiment, the researchers used many compounds, for example, 1-(Dimethylamino)-2-methylpropan-2-ol (cas: 14123-48-9COA of Formula: C6H15NO).

1-(Dimethylamino)-2-methylpropan-2-ol (cas: 14123-48-9) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.COA of Formula: C6H15NO

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Diet impacts on the biological aspects of pink bollworm, Pectinophora gossypiella (Lepidoptera: Gelechiidae) under controlled laboratory conditions was written by Ihsan, Arbab;Khan, Khalid Ali;Sagir, Muhammad;Nawaz, Ahmad;Fiaz, Sajid;Yasmin, Farkhanda;Rasheed, Majeeda;Ali, Habib;Shaheen, Musarrat;Mahmoud, Samy F.;Sayed, Samy;Ur Rahman, Shafeeq;Bilal, Yasir;Ramzan, Muhammad;Nazir, Talha;Khan, Shumaila;Waqas, Muhammad Mohsin;Tayyib, Muhammad;Hussain, Fiaz;Ali, Muhammad Yousaf. And the article was included in PLoS One in 2021.Formula: C18H32CaN2O10 This article mentions the following:

Pink bollworm, Pectinophora gossypiella (Lepidoptera: Gelechiidae) is a native pest of Asia and preferably invasion on cotton (Gossypium hirsutum L.) crop as a commendatory host plant. Com., G. hirsutum is known as white gold and is an important cash crop all over the globe. Limited studies were published to focus on certain dietary compositions against different cotton pests. Therefore, the present study was undertaken in the laboratory under controlled conditions (temperature: 27 ± 2°C and relative humidity: 60 ± 10%) to determine the impact of three different treatment diets (wheat germ meal, okra, and chickpea) on the biol. aspects (lifetime, developmental period) of P. gossypiella. Results revealed that the shortest larval time of P. gossypiella was observed on the okra feed diet while the longest period was recorded on the wheat germ diet. Meanwhile, the pupation delay was noted on the wheat germ diet. The dietary influence was also observed on adult stages of female and male P. gossypiella (43.00 and 37.50 days resp.) and compared with a standard diet (56.50 and 52.50 days resp.). Furthermore, larval weighed more on the okra and chickpea diet followed by the wheat germ diet, whereas highest pupal weight was observed on the standard diet followed by the chickpea diet and okra diet. Developmental parameters were significantly variant across all treatment diets, whereas the higher significant difference was reported on the okra diet. Therefore, the existing data of this study offers fruitful interventions for the future as a modified diet for large-scale and rapid mass production of P. gossypiella larvae. In the experiment, the researchers used many compounds, for example, Calcium (R)-3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanoate (cas: 137-08-6Formula: C18H32CaN2O10).

Calcium (R)-3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanoate (cas: 137-08-6) belongs to alcohols. A strong base can deprotonate an alcohol to yield an alkoxide ion (R―O−). For example, sodamide (NaNH2), a very strong base, abstracts the hydrogen atom of an alcohol. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Formula: C18H32CaN2O10

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Management of sexuality, intimacy, and menopause symptoms in patients with ovarian cancer. was written by Whicker, Margaret;Black, Jonathan;Altwerger, Gary;Menderes, Gulden;Feinberg, Jacqueline;Ratner, Elena. And the article was included in American journal of obstetrics and gynecology in 2017.HPLC of Formula: 128607-22-7 This article mentions the following:

Issues of sexuality, intimacy, and early menopause significantly impact the quality of life of patients following the diagnosis and treatment of ovarian cancer. These are undertreated problems. Successful treatment requires the provider’s awareness of the problem, ability to identify it, and willingness to treat it. Unfortunately many providers do not address these issues in the pretreatment or perioperative period. Furthermore, patients do not often alert their providers to their symptoms. While systemic hormone therapy may improve many of the issues, they are not appropriate for all patients given their action on estrogen receptors. However, other nonhormonal treatments exist including selective serotonin reuptake inhibitors, antiepileptics, natural remedies, and pelvic floor physical therapy. In addition psychological care and the involvement of the partner can be helpful in managing the sexual health concerns of these patients. At the time of diagnosis or at initial consultation, women should be informed of the potential physiologic, hormonal, and psychosocial effects of ovarian cancer on sexuality and that there is a multimodal approach to dealing with symptoms. In the experiment, the researchers used many compounds, for example, (Z)-2-(4-(4-Chloro-1,2-diphenylbut-1-en-1-yl)phenoxy)ethan-1-ol (cas: 128607-22-7HPLC of Formula: 128607-22-7).

(Z)-2-(4-(4-Chloro-1,2-diphenylbut-1-en-1-yl)phenoxy)ethan-1-ol (cas: 128607-22-7) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.HPLC of Formula: 128607-22-7

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts