Alcohols-buliding-blocks

Magnetic-bioluminescent-nanoliposomes for ultrasensitive and portable detection of protein biomarkers in blood was written by Liu, Peng;Fang, Xueen;Cao, Hongmei;Gu, Mingli;Kong, Jilie;Deng, Anmei. And the article was included in Analytica Chimica Acta in 2018.Category: alcohols-buliding-blocks The following contents are mentioned in the article:

Protein biomarkers play an important role in the diagnosis and treatment of disease. Herein, the authors report an ultrasensitive magnetic-bioluminescent-nanoliposome based technique using a portable ATP luminometer for the point-of-care testing (POCT) of protein biomarkers in blood. The authors use alpha-fetoprotein (AFP, a protein biomarker associated with hepatocellular carcinoma) as a model protein. The bioluminescent nanoliposomes conjugated to magnetic particles (LBM) enabled target protein capture, isolation and detection. In this assay, the authors use a portable magnetic bead separation pen to simplify the steps. The output RLUs (relative light units) had a linear correlation with AFP concentration between 0.05 and 1000ng/mL, with a limit of detection of 0.016ng/mL. The authors’ LBM assay for AFP based on the portable luminometer exhibited high specificity for AFP, with no cross-reactivity with other proteins tested at 25ng/mL. Forty clin. samples (twenty AFP pos. and twenty AFP neg.) were tested by the LBM assay, and the results were in good agreement with those determined by electrochemiluminescence, with relative deviations of <10%. The successful application of magnetic-bioluminescent-nanoliposomes with a portable ATP luminometer system to detect protein biomarkers in blood has opened a new avenue for biomarker testing. Thus, the authors’ LBM assay holds great potential as a POCT assay for use in clin. diagnostics. This study involved multiple reactions and reactants, such as (2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dipalmitate (cas: 923-61-5Category: alcohols-buliding-blocks).

(2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dipalmitate (cas: 923-61-5) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Under carefully controlled conditions, simple alcohols can undergo intermolecular dehydration to give ethers. This reaction is effective only with methanol, ethanol, and other simple primary alcohols.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Metabolic profiling of outer fruit peels from 15 accessions of pomegranate (Punica granatum L.) was written by Yaritz, Uri;Schweitzer, Ron;Holland, Doron;Tian, Li;Amir, Rachel. And the article was included in Journal of Food Composition and Analysis in 2022.COA of Formula: C30H26O12 The following contents are mentioned in the article:

Pomegranate (Punica granatum L.) fruit peels are known to enrich the nutritional value of pomegranate juice due to their highly abundant phenolic metabolites such as hydrolyzable tannins (HTs), anthocyanins, and flavonoids, as well as the whole-fruit-based industrial extraction process. These shikimate pathway-derived metabolites also provide protection against pests and abiotic stresses for the fruit, and are important for the com. trait of fruit peel color. To better understand the chem. diversity and biosynthetic relationships of phenolic metabolites in the outer fruit peel, we conducted metabolite profiling of outer peels from 15 pomegranate accessions largely varied in peel color using ultra high-performance liquid chromatog.-diode array detection (uHPLC-DAD) and liquid chromatog.-tandem mass spectrometry (LC-MS/MS). A total of 48 metabolites were (tentatively) identified through comparison to authentic standards, as well as MS or MS/MS spectral data in metabolomics databases. The 15 pomegranate accessions differ greatly in levels of anthocyanins, HTs, flavonoids, and other shikimate pathway-related metabolites, with the largest variations observed in the anthocyanin content. Neg. correlations between HTs and flavonoids/anthocyanins, and between anthocyanins and proanthocyanins were observed, suggesting that these metabolites may compete for the same biosynthetic precursors for their production and are coordinately regulated. This study involved multiple reactions and reactants, such as (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8COA of Formula: C30H26O12).

(2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. 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.COA of Formula: C30H26O12

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Development of a novel UPLC-MS/MS method for the simultaneously quantification of polydatin and resveratrol in plasma: Application to a pharmacokinetic study in rats was written by Sunsong, Robin;Du, Ting;Etim, Imoh;Zhang, Yun;Liang, Dong;Gao, Song. And the article was included in Journal of Chromatography B in 2021.Formula: C20H22O8 The following contents are mentioned in the article:

The purpose of this study is to develop a sensitive LC-MS-MS method to simultaneously quantify polydatin and its metabolite, resveratrol, for its application in a pharmacokinetic (PK) study and to determine polydatin hydrolysis by microflora. A Shimadzu UHPLC system coupled to an AB Sciex QTrap 4000 mass spectrometer was used for the anal. Separation was achieved using an Acquity BEH C₁₈ column (2.1 x 50 mm) with acetonitrile and 0.1% formic acid as the mobile phases. Anal. was performed under neg. ionization mode using the multiple reaction monitoring (MRM) approach. The method was linear in the range of 9.77-1250 nM for both resveratrol and polydatin with correlation coefficient values >0.99. The method has been shown to be reproducible, with intra- and inter-day accuracy and precision ±10.4% of nominal values, for both analytes. The average extraction recovery rates were 81.78-98.3% for polydatin and 86.4-103.2% for resveratrol, resp. Matrix effect was in the acceptable range (<15%). The analytes in plasma were found to be stable under bench-top, freeze-thaw, and storage (-4°C) conditions. The metabolic studies showed that polydatin can be rapidly hydrolyzed by rat fecal S9 fractions and PK studies showed that both polydatin and resveratrol were exposed in the plasma and variable tissues. This novel UPLC-MS-MS method can quantify the levels of both polydatin and its major metabolite resveratrol in biol. samples. This study involved multiple reactions and reactants, such as (2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (cas: 27208-80-6Formula: C20H22O8).

(2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (cas: 27208-80-6) belongs to alcohols. Under appropriate conditions, inorganic acids also react with alcohols to form esters. To form these esters, a wide variety of specialized reagents and conditions can be used. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Formula: C20H22O8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Novel Inhibitors of DNA Repair Enzyme TDP1 Combining Monoterpenoid and Adamantane Fragments was written by Mozhaitsev, Evgenii S.;Zakharenko, Alexandra L.;Suslov, Evgeniy V.;Korchagina, Dina V.;Zakharova, Olga D.;Vasil’eva, Inna A.;Chepanova, Arina A.;Black, Ellena;Patel, Jinal;Chand, Raina;Reynisson, Johannes;Leung, Ivanhoe K. H.;Volcho, Konstantin P.;Salakhutdinov, Nariman F.;Lavrik, Olga I.. And the article was included in Anti-Cancer Agents in Medicinal Chemistry in 2019.Product Details of 106-21-8 The following contents are mentioned in the article:

The DNA repair enzyme tyrosyl-DNA-phosphodiesterase 1 (TDP1) is a current inhibition target to improve the efficacy of cancer chemotherapy. Previous studies showed that compounds combining adamantane and monoterpenoid fragments are active against TDP1 enzyme. This investigation is focused on the synthesis of monoterpenoid derived esters of 1-adamantane carboxylic acid as TDP1 inhibitors. New esters were synthesized by the interaction between 1-adamantane carboxylic acid chloride and monoterpenoid alcs. The esters were tested against TDP1 and its binding to the enzyme was modeling. 13 Novel ester-based TDP1 inhibitors were synthesized with yields of 21-94%; of these, nine esters had not been previously described. A number of the esters were found to inhibit TDP1, with IC₅₀ values ranging from 0.86-4.08μM. Mol. modeling against the TDP1 crystal structure showed a good fit of the active esters in the catalytic pocket, explaining their potency. A non-toxic dose of ester, containing a 3,7-dimethyloctanol fragment, was found to enhance the cytotoxic effect of topotecan, a clin. used anti-cancer drug, against the human lung adenocarcinoma cell line A549. The esters synthesized were found to be active against TDP1 in the lower micromolar concentration range, with these findings being corroborated by mol. modeling. Simultaneous action of the ester synthesized from 3,7-dimethyloctanol-1 and topotecan revealed a synergistic effect. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Product Details of 106-21-8).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.Product Details of 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Analysis of SMALP co-extracted phospholipids shows distinct membrane environments for three classes of bacterial membrane protein was written by Teo, Alvin C. K.;Lee, Sarah C.;Pollock, Naomi L.;Stroud, Zoe;Hall, Stephen;Thakker, Alpesh;Pitt, Andrew R.;Dafforn, Timothy R.;Spickett, Corinne M.;Roper, David I.. And the article was included in Scientific Reports in 2019.Application of 923-61-5 The following contents are mentioned in the article:

Biol. characterization of membrane proteins lags behind that of soluble proteins. This reflects issues with the traditional use of detergents for extraction, as the surrounding lipids are generally lost, with adverse structural and functional consequences. In contrast, styrene maleic acid (SMA) copolymers offer a detergent-free method for biol. membrane solubilisation to produce SMA-lipid particles (SMALPs) containing membrane proteins together with their surrounding lipid environment. We report the development of a reverse-phase LC-MS/MS method for bacterial phospholipids and the first comparison of the profiles of SMALP co-extracted phospholipids from three exemplar bacterial membrane proteins with different topogs.: FtsA (associated membrane protein), ZipA (single transmembrane helix), and PgpB (integral membrane protein). The data showed that while SMA treatment per se did not preferentially extract specific phospholipids from the membrane, SMALP-extracted ZipA showed an enrichment in phosphatidylethanolamines and depletion in cardiolipins compared to the bulk membrane lipid. Comparison of the phospholipid profiles of the 3 SMALP-extracted proteins revealed distinct lipid compositions for each protein: ZipA and PgpB were similar, but in FtsA samples longer chain phosphatidylglycerols and phosphatidylethanolamines were more abundant. This method offers novel information on the phospholipid interactions of these membrane proteins. This study involved multiple reactions and reactants, such as (2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dipalmitate (cas: 923-61-5Application of 923-61-5).

(2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dipalmitate (cas: 923-61-5) 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. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Application of 923-61-5

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Synthesis and Characterization of Poly(5′-hexyloxy-1′,4-biphenyl)-b-poly(2′,4′-bispropoxysulfonate-1′,4-biphenyl) with High Ion Exchange Capacity for Proton Exchange Membrane Fuel Cell Applications was written by Jin, Kunyu;Yue, Baohua;Yan, Liuming;Qiao, Risa;Zhao, Hongbin;Zhang, Jiujun. And the article was included in Chemistry – An Asian Journal in 2022.HPLC of Formula: 620-92-8 The following contents are mentioned in the article:

Proton exchange membrane (PEM) is pivotal for proton exchange membrane fuel cells (PEMFCs). In the present work, a block copolymer with hydrophilic alkyl sulfonated side groups and hydrophobic flexible alkyl ether side groups, poly(5′-hexyloxy-1′,4-biphenyl)-b-poly(2′,4′-bispropoxysulfonate-1′,4-biphenyl) (HBP-b-xBPSBP), is designed and synthesized by copolymerization of the hydrophilic and hydrophobic oligomers. The oligomers are synthesized via a Pd-catalyzed Suzuki cross-coupling of 1,3-dibromo-5-hexyloxybenzene, and 3,3′-[(4,6-dibromo-1,3-phenylene)bis(oxy)]bis(propane-1-sulfonate) or 1,4-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene. The good solubility and film-forming characteristics are achieved via the introduction of flexible hexyloxy side groups, and high ion exchange capacity (IEC) is achieved via the introduction of high d. of alkyl sulfonated side groups. The HBP-b-0.5BPSBP has the highest IEC of 3.17 mmol/g, the highest proton conductivity of 43.5 mS/cm at 95°C and 90% relative humidity (RH) and low methanol permeability of 6.45×10^-7 cm²/s. Meanwhile, crosslinked HBP-b-xBPSBP exhibits promising water uptake, swelling ratio and low methanol permeability. These characteristics are attributed to the crosslinked structure and the hydrophilic/hydrophobic nanophase separation morphol. promoted by the poly(m-phenylene) main chains, flexible alkyl ether groups, and alkyl sulfonated side groups. This study involved multiple reactions and reactants, such as 4,4′-Methylenediphenol (cas: 620-92-8HPLC of Formula: 620-92-8).

4,4′-Methylenediphenol (cas: 620-92-8) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.HPLC of Formula: 620-92-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

[Preparation and activity evaluation of insulin-like growth factor 1 based on protein structure prediction]. was written by Xie, Qian;Li, Guanlin;Li, Ying;Li, Jia’nan. And the article was included in Chinese journal of biotechnology in 2022.Category: alcohols-buliding-blocks The following contents are mentioned in the article:

In order to prepare insulin-like growth factor 1 (IGF-1) more economically and efficiently, the structure prediction and molecular docking of three IGF-1 fusion proteins were performed by computer simulation. The most suitable expression form of IGF-1 fusion protein was screened out. A prokaryotic expression vector of IGF-1 fusion protein was constructed and transformed into Escherichia coli Origami B(DE3) strain to obtain the recombinant strain. After induction with IPTG, the target protein was purified from the soluble fractions of the bacteria cell lysate by affinity chromatography, desalination, thrombin digestion and affinity chromatography of the enzyme digested products. An activity evaluation system was established by 3T3 cell proliferation method and the activity of the obtained IGF-1 was measured. The results showed that the sequence of the IGF-1 fusion protein prokaryotic expression vector was correct and the fusion protein was soluble upon 0.05 mmol/L IPTG induction at 25 ℃ for 16 h. After preliminary purification, thrombin digestion and re-purification, IGF-1 target protein with purity over 90% was obtained. Using the established activity evaluation system, the specific activity of IGF-1 was 2.47×10⁵ U/mg, which was close to the standard product available at the market. The preparation technology of IGF-1 developed in this study may facilitate the development and industrial production of IGF-1 drugs. This study involved multiple reactions and reactants, such as (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triol (cas: 367-93-1Category: alcohols-buliding-blocks).

(2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triol (cas: 367-93-1) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. 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.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts