Month: November 2022

《Nanoparticle based simple electrochemical biosensor platform for profiling of protein-nucleic acid interactions》 was written by Dai, Yifan; Chiu, Liang-Yuan; Sui, Yongkun; Dai, Quanbin; Penumutchu, Srinivasa; Jain, Niyati; Dai, Liming; Zorman, Christian A.; Tolbert, Blanton S.; Sankaran, R. Mohan; Liu, Chung Chiun. Synthetic Route of C8H9NO5S And the article was included in Talanta on April 1 ,2019. The article conveys some information:

The anal. of protein-nucleic acid interactions is essential for biophysics related research. However, simple, rapid, and accurate methods for quant. anal. of biomol. interactions are lacking. The authors herein establish an electrochem. biosensor approach for protein-nucleic acid binding anal. Nanoparticle based sensors are fabricated by highly-controlled inkjet printing followed by plasma conversion. A novel bioconjugation method is demonstrated as a simple and rapid approach for protein-based biosensor fabrication. As a proof of concept, the authors analyzed the binding interaction between unwinding protein 1 (UP1) and SL3ESS3 RNA, confirming the accuracy of this nanoparticle based electrochem. biosensor approach with traditional biophys. methods. The authors further accurately profiled and differentiated a unique binding interaction pattern of multiple G-tract nucleic acid sequences with heterogeneous nuclear ribonucleoprotein H1. The authors’ study provides insights into a potentially universal platform for in vitro biomol. interaction anal. using a nanoparticle based electrochem. biosensor approach. In addition to this study using 2,5-Dioxopyrrolidin-1-yl 2-(acetylthio)acetate, there are many other studies that have used 2,5-Dioxopyrrolidin-1-yl 2-(acetylthio)acetate(cas: 76931-93-6Synthetic Route of C8H9NO5S) was used in this study.

2,5-Dioxopyrrolidin-1-yl 2-(acetylthio)acetate(cas: 76931-93-6) belongs to pyrrolidine. Pyrrolidine on reaction with ketenedithioacetals gave mono- and dipyrrolidino derivatives. Reaction of parent pyrrolidine with alkyl/aryl isocyanates or isothiocyanates provided 1,3-disubstituted ureas/thioureas.Synthetic Route of C8H9NO5S

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《The adsorption of polar cyclic compounds on iron surfaces from hydrocarbon solutions and their lubricating properties》 was written by Nakayama, Keiji; Studt, Peter. HPLC of Formula: 591-70-8 And the article was included in Wear on April 15 ,1987. The article conveys some information:

The adsorption is studied of polar cyclic organic compounds from hydrocarbon solutions on Fe powder without removal of any oxide film potentially present on the Fe surface. β-Naphthol is chemisorbed on the Fe surface. The adsorption isotherms of cyclohexanol, α-naphthylamine and quinoline can be fitted by a Langmuir equation. From the adsorption data the surface areas occupied by 1 mol. of these compounds are obtained. The polar cyclic compounds investigated reduce the friction of steel sliding over steel under boundary lubrication conditions, but straight chain compounds with polar end groups in cetane are better boundary lubricants. The load-carrying capacity of friction contacts lubricated with polar aromatic compounds depends on the geometry of the contact. Lubrication of flat contacts with aromatic compounds in cetane provides a higher load-carrying capacity than lubrication with stearic acid as an additive. This is due to the formation of C or decomposition products rich in C on the sliding surface by the aromatics Aromatic cyclic compounds give low friction at much higher bulk oil temperatures than straight chain compounds; this must be due to chemisorption or decomposition of the aromatics on the surface. Mixtures of β-naphthol and stearic acid or 1-octadecanol in cetane give low friction at up to 160° bulk oil temperature In the experimental materials used by the author, we found Octadecan-9-ol(cas: 591-70-8HPLC of Formula: 591-70-8)

Octadecan-9-ol(cas: 591-70-8) belongs to hydroxy-containing compounds. Hydroxy groups participate in the dehydration reactions that link simple biological molecules into long chains. The creation of a peptide bond to link two amino acids to make a protein removes the −OH from the carboxy group of one amino acid.HPLC of Formula: 591-70-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The author of 《Transition potentials of some triphenylmethane dyes redox indicators》 were Belcher, R.; Brazier, J. N.; Stephen, W. I.. And the article was published in Talanta in 1965. Synthetic Route of C10H14O2 The author mentioned the following in the article:

The transition ranges of 3 triphenylmethane dye redox indicators have been redetermined The figures found in 1F H2SO4 are appreciably higher than earlier values; the new figures are more in accord with the behavior of these indicators when compared with 2,2′-dipyridyl and substituted ferroins. At high acidities the indicators function in the dichromate-Fe(II) system. In a HClO4 medium the figures are significantly higher and fall into a range which accounts for the fact that all 3 dyes function as indicators with hexaperchloratocerate(IV) titrant. The potentials of ferroin and is derivatives are apparently unaffected by change of medium. The experimental process involved the reaction of 4-Butylbenzene-1,2-diol(cas: 2525-05-5Synthetic Route of C10H14O2)

4-Butylbenzene-1,2-diol(cas: 2525-05-5) belongs to organoboron compounds. Organoboron compounds are versatile intermediates and as such are some of the most important classes of reagents in modern organic chemistry. Organoboron compounds are less toxic than organostannane reagents, and unlike alkynylzinc and magnesium, many organoboron compounds possess remarkable oxidative and thermal stabilities. Synthetic Route of C10H14O2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2019,Synlett included an article by Miura, Tomoya; Moriyama, Daisuke; Funakoshi, Yuuta; Murakami, Masahiro. Computed Properties of C6H12O. The article was titled 《Photoinduced 1,2-Hydro(cyanomethylation) of Alkenes with a Cyanomethylphosphonium Ylide》. The information in the text is summarized as follows:

An efficient method was developed for the 1,2-hydro(cyanomethylation) of alkenes, in which a cyanomethyl radical species was generated from a cyanomethylphosphonium ylide by irradiation with visible light in the presence of an iridium complex, a thiol, and ascorbic acid. The cyanomethyl radical species then adds across the C:C double bond of an alkene to form an elongated alkyl radical species that accepts a hydrogen atom from the thiol to produce an elongated aliphatic nitrile. The ascorbic acid acts as the reductant to complete the catalytic cycle. In the experimental materials used by the author, we found 5-Hexen-1-ol(cas: 821-41-0Computed Properties of C6H12O)

5-Hexen-1-ol(cas: 821-41-0) is a volatile organic compound. Further, it is used to prepare 6-bromo-hex-1-ene by reaction with phosphorus tribromide.Computed Properties of C6H12O

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2019,Nanoscale included an article by Zhou, Yiqun; Liyanage, Piumi Y.; Devadoss, Dinesh; Rios Guevara, Linda Rebeca; Cheng, Ling; Graham, Regina M.; Chand, Hitendra S.; Al-Youbi, Abdulrahman O.; Bashammakh, Abdulaziz S.; El-Shahawi, Mohammad S.; Leblanc, Roger M.. SDS of cas: 156-87-6. The article was titled 《Nontoxic amphiphilic carbon dots as promising drug nanocarriers across the blood-brain barrier and inhibitors of β-amyloid》. The information in the text is summarized as follows:

The blood-brain barrier (BBB) is a main obstacle for drug delivery targeting the CNS and treating Alzheimer’s disease (AD). In order to enhance the efficiency of drug delivery without harming the BBB integrity, nanoparticle-mediated drug delivery has become a popular therapeutic strategy. Carbon dots (CDs) are one of the most promising and novel nanocarriers. In this study, amphiphilic yellow-emissive CDs (Y-CDs) were synthesized with an ultrasonication-mediated methodol. using citric acid and o-phenylenediamine with a size of 3 nm that emit an excitation-independent yellow photoluminescence (PL). The content of primary amine and carboxyl groups on CDs was measured as 6.12 x 10-5 and 8.13 x 10-3 mmol mg-1, resp., indicating the potential for small-mol. drug loading through bioconjugation. Confocal image analyses revealed that Y-CDs crossed the BBB of 5-day old wild-type zebrafish, most probably by passive diffusion due to the amphiphilicity of Y-CDs. And the amphiphilicity and BBB penetration ability didn’t change when Y-CDs were coated with different hydrophilic mols. Furthermore, Y-CDs were observed to enter cells to inhibit the overexpression of human APP and β-amyloid (Aβ) which is a major factor responsible for AD pathol. Therefore, data suggest that Y-CDs have a great potential as nontoxic nanocarriers for drug delivery towards the CNS as well as a promising inhibiting agent of Aβ-related pathol. of the AD. In the part of experimental materials, we found many familiar compounds, such as 3-Aminopropan-1-ol(cas: 156-87-6SDS of cas: 156-87-6)

3-Aminopropan-1-ol(cas: 156-87-6) belongs to anime. Halogenation, in which one or more hydrogen atoms of an amine is replaced by a halogen atom, occurs with chlorine, bromine, and iodine, as well as with some other reagents, notably hypochlorous acid (HClO). With primary amines the reaction proceeds in two stages, producing N-chloro- and N,N-dichloro-amines, RNHCl and RNCl2, respectively. With tertiary amines, an alkyl group may be displaced by a halogen.SDS of cas: 156-87-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The author of 《Flexible aromatic disulfide monomers for high-performance self-healable linear and cross-linked poly(urethane-urea) coatings》 were Nevejans, Sil; Ballard, Nicholas; Fernandez, Mercedes; Reck, Bernd; Asua, Jose M.. And the article was published in Polymer in 2019. Related Products of 627-18-9 The author mentioned the following in the article:

Implementation of the self-healing concept in coatings is challenging because they have to combine mech. strength and chain mobility. This challenge is addressed in this work by studying the effect of the polymer microstructure on the mech. properties and self-healing ability of waterborne poly(urethane-urea) coatings containing aromatic disulfide dynamic bonds. The structural modifications studied are the concentration and flexibility of the aromatic disulfide units and the effect of crosslinking. The effects and limits of these structural changes on the mech. properties of the polymers and their healability were determined via a combination of DMA measurements, tensile tests, and rheol. and scratch closure experiments It was found that the flexibility of the disulfide unit was key to develop more efficient self-healing materials which offer the necessary mol. mobility for self-healing while simultaneously maintaining a level of mech. strength that are essential for coating applications. In the experiment, the researchers used 3-Bromopropan-1-ol(cas: 627-18-9Related Products of 627-18-9)

3-Bromopropan-1-ol(cas: 627-18-9) was used in the synthesis of fluorescent halide-sensitive quinolinium dyes and molten salt-polymers. Furthermore, it was used in the synthesis of chiral, quaternary prolines via cyclization of quaternary amino acids.Related Products of 627-18-9

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Iron-catalyzed hydrosilylation of diacids in the presence of amines: a new route to cyclic amines》 was published in ChemCatChem in 2020. These research results belong to Wei, Duo; Netkaew, Chakkrit; Wu, Jiajun; Darcel, Christophe. Application of 4048-33-3 The article mentions the following:

Herein, a novel chemoselective strategy for building N-substituted cyclic amines I (n = 1, 2, 3; R = H, 4-Me; R1 = cyclohexyl, 1-(naphthalen-1-yl)ethyl, 2H-1,3-benzodioxol-5-yl, etc.) and 2-(4-methoxyphenyl)-2,3,3a,4,7,7a-hexahydro-1H-isoindole via iron catalyzed one-pot hydrosilylation starting from readily available dicarboxylic acids e.g., pentanedioic acid and amines R1NH2, with hydrosilanes as the hydride sources was presented. The described methodol. allows the preparation of a wide range of N-alkylated and arylated cyclic amine derivatives I (including pharmaceuticals Fenpiprane and Prozapine) in moderate to excellent yields, starting from inexpensive succinic, glutaric, and adipic acids with di-Me carbonate as a green solvent. In the experimental materials used by the author, we found 6-Aminohexan-1-ol(cas: 4048-33-3Application of 4048-33-3)

6-Aminohexan-1-ol(cas: 4048-33-3) may be used along with glutaric acid to generate poly(ester amide)s with excellent film- and fiber forming properties. It can undergo cyclization over copper supported on γ-alumina and magnesia to form hexahydro-1H-azepine.Application of 4048-33-3

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Cationic Covalent-Organic Framework as Efficient Redox Motor for High-Performance Lithium-Sulfur Batteries》 was written by Liu, Xiao-Fei; Chen, Hong; Wang, Rui; Zang, Shuang-Quan; Mak, Thomas C. W.. Category: alcohols-buliding-blocks And the article was included in Small in 2020. The article conveys some information:

The shuttle effect of soluble lithium polysulfides (LiPSs) leads to the rapid decay of sulfur cathode, severely hindering the practical applications of lithium-sulfur (Li-S) batteries. To this point, a covalent-organic framework (COF) with proper cationic sites, which can be utilized as the cathode host of high-performance Li-S batteries, is reported. The chem. sulfur anchoring within micropores effectively suppresses the dissolution of LiPSs into the electrolyte. During the discharge step, the cationic sites can accept electrons from anode and deliver them to polysulfides to facilitate the polysulfides′ disintegration. Meanwhile, the cationic sites can receive electrons from polysulfides and then send them to the anode during the charge process, which promotes the polysulfides oxidation Thus, both experiments and computational modeling show that the cationic COF can effectively inhibit the shuttle effect of LiPSs and improve the batteries′ performances. Compared with elec. neutral COFs, the cationic COF-based batteries show much better cycling stability even at high c.d., for instance, a high specific capacity of 468 mA h g-1 is retained after 300 cycles at a c.d. of 4.0 C. In the experiment, the researchers used many compounds, for example, 2,4,6-Trihydroxybenzene-1,3,5-tricarbaldehyde(cas: 34374-88-4Category: alcohols-buliding-blocks)

2,4,6-Trihydroxybenzene-1,3,5-tricarbaldehyde(cas: 34374-88-4) is a member of phloroglucinol derivatives. Regarding monomeric phloroglucinols, this group encompasses acryl phloroglucinols, phloroglucinol-terpene adducts, phloroglucinol glycosides, halogenated phloroglucinols, prenylated phloroglucinols, and cyclicroup polyketides.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Protonation-Triggered Supramolecular Gel from Macrocyclic Diacetylene: Gelation Behavior, Topochemical Polymerization, and Colorimetric Response》 was written by Shin, Geon; Khazi, Mohammed Iqbal; Kim, Jong-Man. Name: 3,5-Dihydroxybenzaldehyde And the article was included in Langmuir in 2020. The article conveys some information:

Herein, a novel supramol. gel was fabricated through the protonation-triggered unidirectional self-assembly of pyridine-attached macrocyclic diacetylene (PyMCDA). Basic nitrogen of a pyridine ring with a strong affinity toward proton transforms the neutral PyMCDA into gelator in its protonated pyridinium salt form (PyMCDA-H+), which further evolves to nano-fibrillar networks to yield a supramol. gel. Under the irradiation of UV light, the white color gel turned to a robust covalently cross-linked blue-phase PDA gel. Interestingly, polymeric PyMCPDA-H+ gel exhibits a naked-eye detectable reversible blue-red colorimetric response for alternating acid/base (H2SO4/NH4OH) and colorimetric sensitivity toward selected anions: CH3COO-, CN-, HCOO-, and CH3CH2COO-. It is with the hope that this work point toward the utility and versatility of macrocyclic PDAs for constructing chromogenic supramol. gels for their possible use in sensing systems. In addition to this study using 3,5-Dihydroxybenzaldehyde, there are many other studies that have used 3,5-Dihydroxybenzaldehyde(cas: 26153-38-8Name: 3,5-Dihydroxybenzaldehyde) was used in this study.

3,5-Dihydroxybenzaldehyde(cas: 26153-38-8) is a building block. It has been used in the synthesis of 2,4-dimethylbenzoylhydrazones with antileishmanial and antioxidant activities.Name: 3,5-Dihydroxybenzaldehyde

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Wu, Xiutao; Gong, Lijie; Chen, Chen; Tao, Ye; Zhou, Wuxi; Kong, Lingyi; Luo, Jianguang published an article in 2021. The article was titled 《Semi-synthesis of harringtonolide derivatives and their antiproliferative activity》, and you may find the article in Molecules.Computed Properties of C4H12KNaO10 The information in the text is summarized as follows:

Harringtonolide (HO), a natural product isolated from Cephalotaxus harringtonia, exhibits potent antiproliferative activity. However, little information has been reported on the systematic structure-activity relationship (SAR) of HO derivatives Modifications on tropone, lactone, and allyl positions of HO (1) were carried out to provide 17 derivatives (2-13, 11a-11f). The in vitro antiproliferative activity against four cancer cell lines (HCT-116, A375, A549, and Huh-7) and one normal cell line (L-02) was tested. Amongst these novel derivatives, compound 6 exhibited comparable cell growth inhibitory activity to HO and displayed better selectivity index (SI = 56.5) between Huh-7 and L-02 cells. The SAR results revealed that the tropone and lactone moieties are essential for the cytotoxic activities, which provided useful suggestions for further structural optimization of HO. The experimental part of the paper was very detailed, including the reaction process of Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate(cas: 6381-59-5Computed Properties of C4H12KNaO10)

Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate(cas: 6381-59-5) is a ferroelectric crystal with a high piezoelectric effect and electromechanical coupling coefficient. Computed Properties of C4H12KNaO10 It may be used as a constituent to prepare DNS (3,5- dinitrosalicylic acid) reagent and Fehling′s solution B, which are used in the determination of reducing sugar.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts