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Chemical Structure| 100-21-0 Chemical Structure| 100-21-0
Chemical Structure| 100-21-0

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CAS No.: 100-21-0

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Terephthalic acid, a raw material for polyethylene terephthalate (PET) production, is one of the most important chemicals in petrochemical industry.

4.5 *For Research Use Only !

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Rasheed, Sufian ; Ikram, Muhammad ; Fatima, Batool ; Alomayri, Thamer ; Hussain, Dilshad ;

Abstract: Selective and sensitive detection of sarcosine biomarkers is highly important in early-stage prostate cancer diagnosis. Sarcosine is a promising biomarker present in urine and plasma samples that can be monitored effectively by biosensors. The work presents a novel metal-organic framework (MOF)-derived GC@NiVO4 composite for non-enzymatic sarcosine detection, a promising prostate cancer biomarker. This newly designed composite was synthesized through a multi-step process involving the preparation of a Ni-BDC MOF, followed by vanadium doping (V@NiBDC-MOF) and calcination to obtain the MOF-derived graphitic carbon-decorated NiVO4 composite (GC@NiVO4). Characterization results confirmed the porous graphitic carbon, with NiVO4 embedded within the graphitic carbon matrix. This unique composition offers an exceptional surface for effective analyte adsorption in electrochemical sensing applications. Cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and chronoamperometry were employed to quantify the sarcosine in order to evaluate the detection capabilities. The GC@NiVO4-based sensor exhibited an impressive limit of detection (LOD) of 0.03?μM and a limit of quantification (LOQ) of 0.1?μM, surpassing the sensitivity of enzymatic-based detection sensors currently available for sarcosine. Practical applicability was assessed through recovery experiments in real urine samples. The developed composite demonstrated a 95–105?% recovery, highlighting its potential for clinical utilization in prostate cancer diagnosis and monitoring. Moreover, the sensor exhibited excellent stability, maintaining reliable performance for up to 100 cycles of sarcosine detection, showcasing its robustness and durability for repeated use. Additionally, reproducibility was confirmed by detecting sarcosine in three cycles, consistently yielding accurate results.

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Sol R. Martínez ; Emmanuel Odell ; Luis E. Ibarra ; Arianna Sosa Lochedino ; Ana B. Wendel ; Andrés M. Durantini , et al.

Abstract: Sonodynamic inactivation (SDI) of pathogens has an important advantage when compared to optical excitation-based protocols due to the deeper penetration of ultrasound (US) excitation in biological media or animal tissue. Sonosensitizers (SS) are compounds or systems that upon US stimulation in the therapeutic window (frequency = 0.8–3 MHz and intensity < 3 W/cm2) can induce damage to vital components of pathogenic microorganisms. Herein, we report the synthesis and application of conjugated polymer nanoparticles (CPNs) as an efficient SS in SDI of methicillin-resistant Staphylococcus aureus (MRSA), Klebsiella pneumoniae and Candida tropicalis. A frequent problem in the design and testing of new SS for SDI is the lack of proper sonoreactor characterization which leads to reproducibility concerns. To address this issue, we performed dosimetry experiments in our setup. This enables the validation of our results by other researchers and facilitates meaningful comparisons with different SDI systems in future studies. On a different note, it is generally accepted that the mechanisms of action underlying SS-mediated SDI involve the production of reactive oxygen species (ROS). In an attempt to establish the nature of the cytotoxic species involved in our CPNs-based SDI protocol, we demonstrated that singlet oxygen (1O2) does not play a major role in the observed sonoinduced killing effect. SDI experiments in planktonic cultures of optimally growing pathogens using CPNs result in a germicide effect on the studied pathogenic microorganisms. The implementation of SDI protocols using CPNs was further tested in mature biofilms of a MRSA resulting in ～40 % reduction of biomass and ～70 % reduction of cellular viability. Overall, these results highlight the unique and unexplored capacity of CPNs to act as sonosensitizers opening new possibilities in the design and application of novel inactivation protocols against morbific microbes.

Keywords: Sonodynamic inactivation ; Conjugated polymer nanoparticles ; Microbes ; Biofilm ; Drug-resistant microorganism

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Product Details of Terephthalic acid

CAS No. :100-21-0
Formula : C8H6O4
M.W : 166.13
SMILES Code : O=C(O)C1=CC=C(C(O)=O)C=C1
MDL No. :MFCD00002558
InChI Key :KKEYFWRCBNTPAC-UHFFFAOYSA-N
Pubchem ID :7489

Safety of Terephthalic acid

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P301+P312-P302+P352-P304+P340-P305+P351+P338

Application In Synthesis of Terephthalic acid

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Upstream synthesis route of [ 100-21-0 ]
  • Downstream synthetic route of [ 100-21-0 ]

[ 100-21-0 ] Synthesis Path-Upstream   1~3

  • 1
  • [ 100-21-0 ]
  • [ 7617-93-8 ]
References: [1] Journal of Organic Chemistry USSR (English Translation), 1991, vol. 27, # 1.2, p. 108 - 112[2] Zhurnal Organicheskoi Khimii, 1991, vol. 27, # 1, p. 125 - 129.
  • 2
  • [ 100-21-0 ]
  • [ 5597-41-1 ]
References: [1] Patent: KR101598769, 2016, B1, .
  • 3
  • [ 100-21-0 ]
  • [ 23062-51-3 ]
References: [1] Journal of Organic Chemistry, 1970, vol. 35, p. 917 - 923.
 

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