Month: November 2022

Gruenig, Lara; Handge, Ulrich A.; Koll, Joachim; Gronwald, Oliver; Weber, Martin; Hankiewicz, Birgit; Scharnagl, Nico; Abetz, Volker published an article in 2020, the title of the article was Hydrophilic dual layer hollow fiber membranes for ultrafiltration.SDS of cas: 80-07-9 And the article contains the following content:

In this study, a triblock copolymer was used as additive to fabricate new dual layer hollow fiber membranes with a hydrophilic active inner surface in order to improve their fouling resistance. The polymeric components of the solutions for membrane fabrication were poly(ether sulfone), poly(N-vinyl pyrrolidone), and the triblock copolymer. The additive consists of three blocks: a middle hydrophobic poly(ether sulfone) block and two outer hydrophilic alkyl poly(ethylene glycol) blocks. By varying the additive concentration in the solutions, it was possible to fabricate dual layer hollow fiber membranes that are characterized by a hydrophilic inner layer, a pure water permeance of over 1800 L/(m2 bar h) and a mol. weight cut-off of 100 kDa similar to com. membranes. Contact angle and composition determination by XPS measurements revealed the hydrophilic character of the membranes, which improved with increasing additive concentration Rheol., dynamic light scattering, transmission, and cloud point experiments elucidated the mol. interaction, precipitation, and spinning behavior of the solutions The low-mol. weight additive reduces the solution viscosity and thus the average relaxation time. Furthermore, phase separation occurred at a lower non-solvent concentration and the precipitation time increased with increasing additive content. The chosen process parameters as well as the additive solutions provide an easy and inexpensive way to create an antifouling protection layer in situ with established recipes of poly(ether sulfone) hollow fiber membranes. The experimental process involved the reaction of 4,4′-Sulfonylbis(chlorobenzene)(cas: 80-07-9).SDS of cas: 80-07-9

The Article related to polyether sulfone hollow fiber membrane ultrafiltration viscoelastic property, fouling, hollow fiber membranes, hydrophilicity, poly(ether sulfone), triblock copolymers, Plastics Fabrication and Uses: Plastic Product Uses and other aspects.SDS of cas: 80-07-9

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On June 1, 2020, Sun, Chuang-Chao; Zhou, Ming-Yong; Yuan, Jia-Jia; Yan, Yan; Song, You-Zhi; Fang, Li-Feng; Abd Allah, Heba; Shalaby, Marwa S.; Shaban, Ahmed M.; Zhu, Bao-Ku published an article.Computed Properties of 80-07-9 The title of the article was Regulating the aggregation of anionic nanoparticles for size-tunable nanochannels. And the article contained the following:

Nanochannels fabricated from the aggregation of charged amphiphilic nanoparticles are of growing interest. The nanochannel size can be further affected by electrostatic interactions between these nanoparticles and metal cations. Herein, size-tunable nanochannels (from 0.5 to 1.4 nm in average) are obtained via regulating the aggregation of anionic nanoparticles using sulfonated polysulfone (SPSF) nanoparticles as a model. Transmission electron microscope (TEM) images and dynamic light scattering (DLS) curves show the aggregates of SPSF nanoparticles in a wide range from nanoscale to micrometer-scale via adding different metal cations. Further anal. of the nanochannels shows the quant. correlation between ionic strength of metal cations (ISMC) and nanochannel size. Preliminary evaluation of the size-tunable nanochannels exhibits a good separation performance with the Na2SO4 rejection of 98.3% and water flux of 5.8 L m-2 h-1 bar-1, indicating a high level among the reported researches. The experimental process involved the reaction of 4,4′-Sulfonylbis(chlorobenzene)(cas: 80-07-9).Computed Properties of 80-07-9

The Article related to aggregation polysulfone nanoparticle nanochannel, Surface Chemistry and Colloids: Solid-Liquid Systems and other aspects.Computed Properties of 80-07-9

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On March 13, 2014, Lazerwith, Scott E.; Lew, Willard; Zhang, Jennifer; Morganelli, Philip; Liu, Qi; Canales, Eda; Clarke, Michael O.; Doerffler, Edward; Byun, Daniel; Mertzman, Michael; Ye, Hong; Chong, Lee; Xu, Lianhong; Appleby, Todd; Chen, Xiaowu; Fenaux, Martijn; Hashash, Ahmad; Leavitt, Stephanie A.; Mabery, Eric; Matles, Mike; Mwangi, Judy W.; Tian, Yang; Lee, Yu-Jen; Zhang, Jingyu; Zhu, Christine; Murray, Bernard P.; Watkins, William J. published an article.Category: chlorides-buliding-blocks The title of the article was Discovery of GS-9669, a Thumb Site II Non-Nucleoside Inhibitor of NS5B for the Treatment of Genotype 1 Chronic Hepatitis C Infection. And the article contained the following:

Investigation of thiophene-2-carboxylic acid HCV NS5B site II inhibitors, guided by measurement of cell culture medium binding, revealed the structure-activity relationships for intrinsic cellular potency. The pharmacokinetic profile was enhanced through incorporation of heterocyclic ethers on the N-alkyl substituent. Hydroxyl groups were incorporated to modulate protein binding. Intrinsic potency was further improved through enantiospecific introduction of an olefin in the N-acyl motif, resulting in the discovery of the phase 2 clin. candidate GS-9669. The unexpected activity of this compound against the clin. relevant NS5B M423T mutant, relative to the wild type, was shown to arise from both the N-alkyl substituent and the N-acyl group. The experimental process involved the reaction of trimethyloxosulphonium chloride(cas: 5034-06-0).Category: chlorides-buliding-blocks

The Article related to gs9669 clin candidate synthesis hepatitis c infection treatment, Heterocyclic Compounds (One Hetero Atom): Thiophenes and other aspects.Category: chlorides-buliding-blocks

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On December 12, 2000, Kudo, Koji; Suemoto, Takahiro; Suzuki, Masako; Tojo, Hitomi; Shimazu, Hiroshi published a patent.HPLC of Formula: 4569-86-2 The title of the patent was Azure A analogs as imaging agents and probes for diagnosis of diseases related to amyloid accumulation. And the patent contained the following:

Azure A analogs (I; R1, R4 = H, halogen, C1-4 alkyl; R2, R3 = H, halogen, amino, C1-4 alkyl-substituted amino, etc.; R5, R6 = H, halogen C1-4 alkyl etc.; R7, R8 = H, halogen, C1-4 alkyl; R9 = H, halogen, amino, C1-4 alkyl-substituted amino; X = CH, N; Y = NH, S, etc.; Z = anion) and their radioactive (11C, 13N, 15O, or 18F)-labeled compounds, including Acridine Orange, Acridine Orange HCl, BF 009, Neutral Red, and Methylene Blue, and their salts are claimed as imaging agents and probes for diagnosis of diseases related to amyloid accumulation. The experimental process involved the reaction of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride(cas: 4569-86-2).HPLC of Formula: 4569-86-2

The Article related to azure a analog imaging agent amyloid, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.HPLC of Formula: 4569-86-2

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Tabero, Andrea; Garcia-Garrido, Fernando; Prieto-Castaneda, Alejandro; Palao, Eduardo; Agarrabeitia, Antonia R.; Garcia-Moreno, Inmaculada; Villanueva, Angeles; de la Moya, Santiago; Ortiz, Maria J. published an article in 2020, the title of the article was BODIPYs revealing lipid droplets as valuable targets for photodynamic theragnosis.Category: chlorides-buliding-blocks And the article contains the following content:

Endowing BODIPY PDT agents with the ability to probe lipid droplets is demonstrated to boost their phototoxicity, allowing the efficient use of highly fluorescent dyes (poor ROS sensitizers) as phototoxic agents. Conversely, this fact opens the way to the development of highly bright ROS photosensitizers for performing photodynamic theragnosis (fluorescence bioimaging and photodynamic therapy) from a single simple agent. On the other hand, the noticeable capability of some of the reported dyes to probe lipid droplets in different cell lines under different conditions reveals their use as privileged probes for advancing the study of interesting lipid droplets by fluorescence microscopy. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Category: chlorides-buliding-blocks

The Article related to bodipy lipid droplet target pdt photosensitize imaging, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Category: chlorides-buliding-blocks

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On December 23, 2015, Xie, Jin; Chen, Hongmin; Wang, Geoffrey D. published a patent.Related Products of 4569-86-2 The title of the patent was Induced photodynamic therapy using nanoparticle scintillators as transducers. And the patent contained the following:

Photodynamic therapy systems comprising a nanoparticle that emits electromagnetic radiation having a first wavelength when irradiated with electromagnetic radiation, a photosensitizer which absorbs electromagnetic radiation of said first wavelength and a biocompatible mesoporous material are disclosed herein. In some examples, the photodynamic therapy system comprises a core comprising the nanoparticle, a first shell comprising the biocompatible mesoporous material, and a photosensitizer embedded in the first shell. Upon irradiation by, for example, X-rays, the nanoparticle can function as a transducer, converting x-ray photons to visible photons, and in turn, activating the photosensitizers. Methods of using the photodynamic therapy system are also disclosed. The experimental process involved the reaction of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride(cas: 4569-86-2).Related Products of 4569-86-2

The Article related to photodynamic therapy nanoparticle scintillator transducer, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Related Products of 4569-86-2

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On February 21, 2020, Adams, Casey J.; Krueger, Ruby; Meade, Thomas J. published an article.Quality Control of tert-Butyl trichloroacetimidate The title of the article was A Multimodal Ca(II) Responsive Near IR-MR Contrast Agent Exhibiting High Cellular Uptake. And the article contained the following:

Ca(II) ions are critical for the proper function of neurons by contributing to synaptic signaling and regulating neuronal plasticity. Dysregulation of Ca(II) is associated with a number of pathologies that cause neurodegeneration; therefore the ability to monitor Ca(II) intracellularly is an important target for mol. imaging. Contrast-enhanced MR imaging is a promising modality for imaging changes in Ca(II) concentrations However, the majority of Ca(II) responsive MR agents are limited to the extracellular space or hindered by poor cellular uptake. Here, we describe a new class of multimodal, bioresponsive Ca(II) magnetic resonance agents that are coupled to the NIR probe IR-783. This new design is based on previous generations of our Ca(II) MR agents but overcomes two significant challenges: (1) the presence of the NIR probe dramatically increases cellular uptake of the agent and (2) provides histol. validation of the MR signal using NIR fluorescence imaging. IR-783 targets organic anion transporter polypeptides, and we demonstrate that the agents are not toxic in HT-22 or U-87 MG cells up to 20μM. The cellular uptake of complex 1 was measured to be greater than 16 fmol per cell (where ∼1 fmol/cell is detectable in acquired MR images). Complex 1 is simultaneously detectable by both MR and NIR fluorescence imaging in vitro and is activated (turned on) by intracellular Ca(II) at concentrations between 1 and 10μM. The experimental process involved the reaction of tert-Butyl trichloroacetimidate(cas: 98946-18-0).Quality Control of tert-Butyl trichloroacetimidate

The Article related to calcium nearir mr contrast agents preparation cancer imaging, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Quality Control of tert-Butyl trichloroacetimidate

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On November 3, 2020, Hoshikawa, Naohiro; Shinohara, Akihiro; Hosokawa, Yoichi; Hasegawa, Naoki; Kawasumi, Masaya published an article.Category: chlorides-buliding-blocks The title of the article was Synthesis and Properties of Fluorocarbon-Hydrocarbon Hybrid Block Copolymers with Perfluorosulfonimide Acid. And the article contained the following:

Novel fluorocarbon-hydrocarbon hybrid block copolymer electrolytes were synthesized. The block copolymer electrolytes consist of poly(perfluoropropyl sulfonimide) (PC3SI) as a perfluorinated hydrophilic segment and poly(ether ether sulfone) as a hydrocarbon hydrophobic segment. The sulfonimide group of poly(perfluoropropyl sulfonimide) has superacidity, very low equivalent weight (EW = 293 g/equiv), and a proton conductivity of 1.2 × 10-2 S/cm under dry conditions and 25°C, although soluble in water. The proton conductivity of the block copolymer was 1.7 × 10-3 S/cm at 20% relative humidity and 25°C, which is three times as high as that of Nafion 112. The experimental process involved the reaction of 4,4′-Sulfonylbis(chlorobenzene)(cas: 80-07-9).Category: chlorides-buliding-blocks

The Article related to fluorocarbon hydrocarbon copolymer perfluorosulfonimide acid, Plastics Fabrication and Uses: Fabricating Techniques and other aspects.Category: chlorides-buliding-blocks

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On March 25, 2020, Corrado, Tanner; Huang, Zihan; Aboki, Joseph; Guo, Ruilan published an article.Synthetic Route of 80-07-9 The title of the article was Microporous Polysulfones with Enhanced Separation Performance via Integration of the Triptycene Moiety. And the article contained the following:

Here, we report the synthesis of two polysulfones containing either triptycene or phenolphthalein as the bulky bridging unit in the polymer backbone to investigate the influence of the rigid, unwieldy structures on chain rigidity, fractional free volume, and gas transport properties. Incorporation of the triptycene unit provided the most rigid backbone, greatest fractional free volume, and strongest gas separation performance, because of its exceptional combinations of permeability and selectivity, relative to many com. polymers and other polysulfones reported in the literature. In addition, integration of the triptycene unit and its intrinsic, configuration-based free volume provided good resistance to phys. aging. In particular, the triptycene-based polysulfone experienced exceptional H2/CH4 selectivity (156) combined with nearly doubled H2 permeability, as well as promising O2/N2 separation performance with an O2 permeability of 1.5 Barrer, which is an ∼21% increase, relative to that of the bisphenol A-based com. polysulfone, to go along with an O2/N2 selectivity of 7.7. The experimental process involved the reaction of 4,4′-Sulfonylbis(chlorobenzene)(cas: 80-07-9).Synthetic Route of 80-07-9

The Article related to microporous polysulfone separation integration triptycene moiety, Plastics Fabrication and Uses: Fabricating Techniques and other aspects.Synthetic Route of 80-07-9

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

On December 22, 2016, Tamborini, Lucia; Chen, Ying; Foss, Catherine A.; Pinto, Andrea; Horti, Andrew G.; Traynelis, Stephen F.; De Micheli, Carlo; Mease, Ronnie C.; Hansen, Kasper B.; Conti, Paola; Pomper, Martin G. published an article.Product Details of 98946-18-0 The title of the article was Development of Radiolabeled Ligands Targeting the Glutamate Binding Site of the N-Methyl-D-aspartate Receptor as Potential Imaging Agents for Brain. And the article contained the following:

Abnormal activity of various N-methyl-D-aspartate receptor (NMDAR) subtypes has been implicated in a wide variety of neurol. disorders such as Alzheimer’s disease, schizophrenia, and epilepsy. Imaging agents for PET and SPECT that target NMDARs in a subtype-selective fashion may enable better characterization of those disorders and enhance drug development. On the basis of a pyrazoline derivative that demonstrated neuroprotective effects in vivo, we synthesized a series of para-substituted analogs and measured their affinities to various NMDAR subtypes. Compounds 4a-c and 4e showed greater, nanomolar affinity for the GluN1/2A subtype vs. GluN1/2B. Dicarbomethoxy (pro-drug) analogs of [124/125I]4d and [11C]4e (i.e., [124/125I]11d and [11C]11e) were generated and tested for NMDAR binding specificity in ex vivo autoradiog. and brain biodistribution studies. Although NMDAR-specific binding could be demonstrated for [125I]11d and [11C]11e through autoradiog. and biodistribution studies, imaging of neither [124I]11d nor [11C]11e could demonstrate brain penetration sufficient for detection by PET. The experimental process involved the reaction of tert-Butyl trichloroacetimidate(cas: 98946-18-0).Product Details of 98946-18-0

The Article related to preparation nmda receptor targeting radiolabeled ligand brain imaging, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Product Details of 98946-18-0

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics