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Journal articles on the topic 'PABA(Para Amino Benzoic Acid)'

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Published: 5 June 2025

Last updated: 2 August 2025

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1

Naseem Abbas, Naseem Abbas, Zahid Mahmood Zahid Mahmood, Suryyia Manzoor Suryyia Manzoor, and Zeeshan Akhtar and Muhammad Tariq Zeeshan Akhtar and Muhammad Tariq. "Synthesis, Characterization and Sunscreen Protection Factor of Novel Synthesized Para Amino Benzoic Acid (PABA) Esters." Journal of the chemical society of pakistan 41, no. 4 (2019): 701. http://dx.doi.org/10.52568/000767/jcsp/41.04.2019.

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Human exposure to sunlight can activate various biological responses from erythema to skin cancer. Precise use of sunscreen is the most efficient way to prevent the development of these diseases. Ingredients of sunscreen can be organic and inorganic ultraviolet (UV) filters. One of such organic ingredients is para amino benzoic acid (PABA), which is being used as sunscreen filter. The purpose of this study was to enhance the sun protection factor (SPF) value of PABA and minimize the harmful effects of PABA due to its deep penetration into skin. For this purpose, synthesis of two novel sunscree

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MACDONALD, S., M. CAUNT, P. BROOKS, and S. FORMENTI. "Para-amino benzoic acid (PABA), a radiation and chemotherapy sensitizer." International Journal of Radiation OncologyBiologyPhysics 60 (September 2004): S352. http://dx.doi.org/10.1016/s0360-3016(04)01490-7.

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MacDonald, S. M., M. Caunt, P. C. Brooks, and S. C. Formenti. "Para-amino benzoic acid (PABA), a radiation and chemotherapy sensitizer." International Journal of Radiation Oncology*Biology*Physics 60, no. 1 (2004): S352. http://dx.doi.org/10.1016/j.ijrobp.2004.07.186.

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Roto, Roto, Iqmal Tahir, and Mustofa Mustofa. "Zn-Al LAYERED DOUBLE HYDROXIDE AS HOST MATERIAL FOR SUNSCREEN COMPOUND OF p-AMINOBENZOIC ACID." Indonesian Journal of Chemistry 7, no. 1 (2010): 1–4. http://dx.doi.org/10.22146/ijc.21704.

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Zn-Al layered double hydroxide can be used as host material for UV active compound p-aminobenzoic acid (PABA), which is having capability to block UV light of sunlight. The formation of Zn-Al-PABA was best developed in which the nucleation process was done at room temperature and followed by hydrothermal treatment at 100 oC. To make a better product, the molar ratio of Zn to Al to PABA was adjusted to 3:1:1. From the elemental analysis and the content of PABA, it was observed that the product has structural formula of Zn0,745Al0.254(OH)1.650(PABA)0.349. 0.684H2O. The particle size of the powde

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Ozcan, Arif. "Investigation of the effect of para-amino benzoic acid (PABA) added starch-coated chemicals on the printability properties of paper." Journal of Applied Biomaterials & Functional Materials 17, no. 1 (2019): 228080001881601. http://dx.doi.org/10.1177/2280800018816012.

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Introduction: Paper is the most important material of the printing industry and is being improved due to the increasing needs of industry. The most important process to improve the optical and physical properties of paper is the surface coating. Paper has a smoother and opaquer surface with surface coating. In addition, brightness, whiteness, and yellowness values are improved with surface coating. Ultraviolet (UV) light in sunlight causes changes in the structure of the paper and coating chemicals and accordingly causes yellowing. Para-amino benzoic acid (PABA), due to its chemical structure,

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Zakhireh, Solmaz, Mehrdad Mahkam, Yousef Toomari, and Saeed Jafarirad. "Chemical Modification of Chitosan in order to Inverse Swelling Behavior: Comparison between Crosslinking, Michael Addition and Graft Copolymerization Reactions." Bangladesh Pharmaceutical Journal 18, no. 2 (2015): 110–17. http://dx.doi.org/10.3329/bpj.v18i2.24307.

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In the present work, three methods were used to inverse chitosan swelling behavior including, conjugation of p-amino benzoic acid (PABA) on cross-linked chitosan in different condition, Michael addition reaction of acrylic acid (AA) on chitosan and finally graft copolymerization of methacrylic acid (MMA) on chitosan. We couldnt inverse chitosan swelling behavior by the Michael addition reaction of acrylic acid, but conjugation of PABA on cross-linked chitosan inversed the chitosan swelling behavior. In addition, the graft copolymerization of MMA on chitosan was also successful. In general, th

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Radha-Rani, Earle, and Gadela Venkata-Radha. "Engineering cocrystals of Paliperidone with enhanced solubility and dissolution characteristics." Arhiv za farmaciju 71, no. 5 (2021): 393–409. http://dx.doi.org/10.5937/arhfarm71-32997.

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In the present study, co-crystals (CCs) of Paliperidone (PPD) with coformers like benzoic acid (BA) and P-amino benzoic acid (PABA) were synthesized and characterized to improve the physicochemical properties and dissolution rate. CCs were prepared by the solvent evaporation (SE) technique and were compared with the products formed by neat grinding (NG) and liquid assisted grinding (LAG) in their enhancement of solubility. The formation of CCs was confirmed by the IR spectroscopy, powder X-ray diffraction and thermal analysis methods. The saturation solubility studies indicate that the aqueous

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Toroz, D., I. Rosbottom, T. D. Turner, et al. "Towards an understanding of the nucleation of alpha-para amino benzoic acid from ethanolic solutions: a multi-scale approach." Faraday Discussions 179 (2015): 79–114. http://dx.doi.org/10.1039/c4fd00275j.

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The molecular assembly and subsequent nucleation of para-amino benzoic acid (PABA) from ethanolic solutions is probed using a multi-scale and multi-technique approach. This is applied by examining and interrelating information regarding the molecular, solution-state, cluster, solid-state and surface structures to understand why the alpha form of PABA is crystallised in preference to its low temperature beta form. Calculations suggest that conformational changes within the solute molecule play little or no role in directing the nucleation of either the alpha or beta crystal forms. Combined ab i

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Bharti, Srivastava, and C. Chattopadhyaya M. "Electrometric and spectrophotometric determination of para-amino salicylic acid." Journal of Indian Chemical Society Vol. 83, Oct 2006 (2006): 1058–61. https://doi.org/10.5281/zenodo.5831408.

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Department of Chemistry, University of Allahabad, Allahabad-211 002, Uttar Pradesh. India <em>E-mail </em>: bharti_priyal4@rediffmail.com, mcc46@rediffmail.com <em>Manuscript received 29 May 2006. accepted 30 June 2006</em> <em>para</em>-Amino salicylic acid (4-amino-2-hydroxy benzoic acid) is useful in the treatment of tuberculosis. A new precipitate based heterogenous electrode has been developed for the electrometric determination of <em>\(para\)-\(amino\) </em>salicylic acid in solution. The characteristics of the electrode was studied.  

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Panzade, Prabhakar, Priyanka Somani, and Pavan Rathi. "Nevirapine Pharmaceutical Cocrystal: Design, Development and Formulation." Drug Delivery Letters 9, no. 3 (2019): 240–47. http://dx.doi.org/10.2174/2210303109666190411125857.

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Background and Objective: The top approach to deliver poorly soluble drugs is the use of a highly soluble form. The present study was conducted to enhance the solubility and dissolution of a poorly aqueous soluble drug nevirapine via a pharmaceutical cocrystal. Another objective of the study was to check the potential of the nevirapine cocrystal in the dosage form. Methods: A neat and liquid assisted grinding method was employed to prepare nevirapine cocrystals in a 1:1 and 1:2 stoichiometric ratio of drug:coformer by screening various coformers. The prepared cocrystals were preliminary invest

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Akki, Pratiksha, Rohan R. Latwade, and Kusum S. Akki. "SOLUBILITY ENHANCEMENT TECHNIQUE FOR BCS CLASS II DRUG - ONDANSETRON HYDROCHLORIDE BY CO-CRYSTALLIZATION METHOD." INDIAN DRUGS 61, no. 08 (2024): 28–37. http://dx.doi.org/10.53879/id.61.08.14201.

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The present study was aimed to increase solubility of ondansetron hydrochloride by preparing co-crystals by co-crystallization method using various co-formers. Co-crystals of ondansetron HCl were prepared using co-formers such as benzoic acid, aspirin, benzamide, para amino benzoic acid (PABA), urea and citric acid by solvent evaporation method. Co-crystals were characterized by FTIR, DSC, XRD and SEM. The solubility of ondansetron co-crystals was significantly higher than that of pure ondansetron HCI. The dissolution rate of co-crystals reported were in the range of 63-99% compared with pure

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Carvalho, Filipa, Joao Duarte, Ana Rita Simoes, Pedro F. Cruz, and John G. Jones. "Noninvasive Measurement of Murine Hepatic Acetyl-CoA13C-Enrichment Following Overnight Feeding with13C-Enriched Fructose and Glucose." BioMed Research International 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/638085.

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The13C-isotopomer enrichment of hepatic cytosolic acetyl-CoA of overnight-fed mice whose drinking water was supplemented with [U-13C]fructose, and [1-13C]glucose andp-amino benzoic acid (PABA) was quantified by13C NMR analysis of urinaryN-acetyl-PABA. Four mice were given normal chow plus drinking water supplemented with 5% [1-13C]glucose, 2.5% [U-13C]fructose, and 2.5% fructose (Solution 1) overnight. Four were given chow and water containing 17.5% [1-13C]glucose, 8.75% [U-13C]fructose and 8.75% fructose (Solution 2). PABA (0.25%) was present in both studies. UrinaryN-acetyl-PABA was analyzed

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Gabriele, Benjamin P. A., Craig J. Williams, Matthias E. Lauer, Brian Derby, and Aurora J. Cruz-Cabeza. "Impact of polymorphism on mechanical properties of molecular crystals: a study of p-amino and p-nitro benzoic acid with nanoindentation." CrystEngComm 23, no. 10 (2021): 2027–33. http://dx.doi.org/10.1039/d1ce00041a.

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We report on nanoindentation data for two pairs of polymorphic compounds of p-aminobenzoic acid (pABA) and p-nitrobenzoic acid (pNBA) and compare it with existing data in the literature. We also explore on a new parameter, s-PBC, as a tool to estimate hardness.

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Iyer, Ramya, Sudhir Kumar Tomar, and Ashish Kumar Singh. "Response surface optimization of the cultivation conditions and medium components for the production of folate by Streptococcus thermophilus." Journal of Dairy Research 77, no. 3 (2010): 350–56. http://dx.doi.org/10.1017/s0022029910000166.

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Optimization of the cultivation conditions and medium components for folate production by the highest folate producing Streptococcus thermophilus strain RD102 was carried out using a 23 central composite design and surface modelling method of response surface methodology. As folate production was observed to be growth-associated, hence the desired responses selected for the optimization were both folate production and growth. The selected factors based on preliminary investigations were incubation period, concentrations of p-amino benzoic acid (PABA) the growth precursor, and lactose as carbon

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Mariam Taiwo, Oloye-Akorede, Labunmi Lajide, Jamiu Mosebolatan, Jabar, et al. "Antimicrobial activities of modified and unmodified pectin obtained from peels of Irvingia gabonensis, Cola milleni, and Theobroma cacao on specific pathogenic organisms." GSC Biological and Pharmaceutical Sciences 28, no. 3 (2024): 091–97. http://dx.doi.org/10.30574/gscbps.2024.28.3.0325.

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The antibacterial and antifungal activities of ethanolic extracts of pectin derived from the peels of Theobroma cacao, Cola milleni, and Irvingia gabonensis were investigated against phytopathogenic bacteria and fungi. The agar diffusion method was employed to test the extracts against Staphylococus aureus, Pseudomonas aeroginosa, Chromobacterium violaceum, Streptococcus feacalis, Xanthomonas axonopodis, Erwinia carotovora, Sclerotium rulfsii, Pythophthora palmivora, and Pyricularia oryzae. Significant differences (p<0.05) were observed in all control groups. The extracts inoculated with St

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Ngurah, Budiana I. Gusti M., Jumina Jumina, Chairil Anwar, Sunardi Sunardi, and Mustofa Mustofa. "Synthesis and In Vitro Evaluation of C-methylcalix[4]resorcinaryl octacinnamate and C-methylcalix[4]resorcinaryl octabenzoate as the Sunscreen." Indonesian Journal of Chemistry 17, no. 1 (2017): 63. http://dx.doi.org/10.22146/ijc.23575.

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The present study was aimed to synthesize and evaluate sunscreen activity of C-methylcalix[4]resorcinaryl octacinnamate and C-methylcalix[4]resorcinaryl octabenzoate. The target compounds were synthesized in 2 steps. They were a synthesis of C-methylcalix[4]-resorcinarene via acid catalyzed the condensation of resorcinol and acetaldehyde by using HCl catalyst, followed by esterification using cinnamoyl chloride and benzoyl chloride. The characterization of the target compounds was performed by IR, 1H-NMR, 13C-NMR, and LC-MS spectrometers. The sunscreen activity test was conducted by spectrosco

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Pavlick, A. C., L. Liebes, F. Muggia, et al. "Modulation of chemotherapy with para-amino benzoic acid (PABA): Translation from preclinical models to a completed phase I trial." Journal of Clinical Oncology 23, no. 16_suppl (2005): 7557. http://dx.doi.org/10.1200/jco.2005.23.16_suppl.7557.

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Mariam, Taiwo Oloye-Akorede, Lajide Labunmi, Mosebolatan Jabar Jamiu, et al. "Antimicrobial activities of modified and unmodified pectin obtained from peels of Irvingia gabonensis, Cola milleni, and Theobroma cacao on specific pathogenic organisms." GSC Biological and Pharmaceutical Sciences 28, no. 3 (2024): 091–97. https://doi.org/10.5281/zenodo.14709222.

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The antibacterial and antifungal activities of ethanolic extracts of pectin derived from the peels of <em>Theobroma</em> <em>cacao</em>, <em>Cola milleni</em>, and <em>Irvingia gabonensis</em> were investigated against phytopathogenic bacteria and fungi. The agar diffusion method was employed to test the extracts against <em>Staphylococus aureus</em>, <em>Pseudomonas aeroginosa</em>, <em>Chromobacterium</em> <em>violaceum</em>, <em>Streptococcus feacalis, Xanthomonas axonopodis, Erwinia carotovora, Sclerotium rulfsii, Pythophthora palmivora, an

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Mawaddah, Aida, Roto Roto, and Adhitasari Suratman. "PENGARUH PENAMBAHAN UREA TERHADAP PENINGKATAN PENCEMARAN NITRIT DAN NITRAT DALAM TANAH (Influence of Addition of Urea to Increased Pollution of Nitrite and Nitrate in The Soil)." Jurnal Manusia dan Lingkungan 23, no. 3 (2017): 360. http://dx.doi.org/10.22146/jml.22473.

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ABSTRAKNitrat dan nitrit merupakan sumber nitrogen bagi tanaman. Nitrogen sangat diperlukan tanaman untuk pertumbuhan dan perkembangan. Bentuk-bentuk nitrogen di lingkungan mengalami transformasi sebagai bagian dari siklus nitrogen seperti nitrifikasi dan denitrifikasi. Apabila kadar nitrogen dalam tanah rendah, maka urea digunakan sebagai sumber nitrogen. Perubahan urea menjadi nitrit atau nitrat pada beberapa sampel tanah perlu diketahui. Kadar nitrit dan nitrat yang tinggi dapat meningkatkan pencemaran di dalam tanah. Sampel tanah yang digunakan dalam penelitian ini adalah tanah pasir, tana

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XAVIER, S., J. ROTH, M. CAUNT, et al. "Para-amino benzoic acid (PABA) modulates expression and stability of CDC25A in tumor cells and enhances radiosensitivity in vitro and in vivo." International Journal of Radiation OncologyBiologyPhysics 60 (September 2004): S360—S361. http://dx.doi.org/10.1016/s0360-3016(04)01506-8.

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Xavier, S., J. Roth, M. Caunt, et al. "Para-amino benzoic acid (PABA) modulates expression and stability of CDC25A in tumor cells and enhances radiosensitivity in vitro and in vivo." International Journal of Radiation Oncology*Biology*Physics 60, no. 1 (2004): S360—S361. http://dx.doi.org/10.1016/j.ijrobp.2004.07.202.

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Soliva, Carla R., Sergej L. Amelchanka, Stéphane M. Duval, and Michael Kreuzer. "Ruminal methane inhibition potential of various pure compounds in comparison with garlic oil as determined with a rumen simulation technique (Rusitec)." British Journal of Nutrition 106, no. 1 (2011): 114–22. http://dx.doi.org/10.1017/s0007114510005684.

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Ruminants represent an important source of methane (CH4) emissions; therefore, CH4mitigation by diet supplementation is a major goal in the current ruminant research. The objective of the present study was to use a rumen simulation technique to evaluate the CH4-mitigating potential of pure compounds in comparison with that achieved with garlic oil, a known anti-methanogenic supplement. A basal diet (15 g DM/d) consisting of ryegrass hay, barley and soyabean meal (1:0·7:0·3) was incubated with the following additives: none (negative control); garlic oil (300 mg/l incubation liquid; positive con

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Pavlick, A., L. Liebes, F. Muggia, et al. "99 Para-amino benzoic acid (PABA) modulation of chemotherapy — evolution from preclinical work to a Phase I study. A report of early clinical activity including pharmacokinetic and pharmacodynamic studies." European Journal of Cancer Supplements 2, no. 8 (2004): 33. http://dx.doi.org/10.1016/s1359-6349(04)80107-1.

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Bhoomika, G. Chaudhari, K. Ahir Mitali, C. Patel Dhavalkumar, and Patel Sunaina. "Comparison of Recovery Characteristics by Using Low Dose Bupivacaine 10 mg and Injection 2- Chloroprocaine 40mg for Spinal Anaesthesia in Short Duration Surgeries." International Journal of Toxicological and Pharmacological Research 14, no. 1 (2024): 73–79. https://doi.org/10.5281/zenodo.10969782.

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<strong>Introduction:</strong> An ideal local anaesthetic should have quick onset, reliable sensory and dense motor block and at the same time quick sensory and motor regression so that patient can ambulate and discharged early for day care surgery. <strong>Method:</strong> Patients posted for short duration surgeries (1 to 1.5 hours) with day care procedure under ASA physical status I to III without any contraindication to spinal anaesthesia and allergy to local anesthetic agents were included in study. Patients in group A had received Inj. Bupivacaine 0.5% 10 mg (2 ml+0.5 ml s

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Kamel, M. M., E. G. Kovaleva, and A. V. Buhler. "EFFECT OF PARA-AMINOBENZOIC ACID MILK SUPPLEMENTING ON THE AMINO ACID PROFILE OF SEMI-HARD CHEESE." Bulletin of the South Ural State University Series Food and Biotechnology 12, no. 3 (2024): 48–55. https://doi.org/10.14529/food240306.

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The objective of this work is to analyze the cheese amino acid profile through the ripening period. The evaluation of the effect of Para-aminobenzoic acid (PABA) on the proteolytic activity of Lactococcus lactis subsp. lactis, Lactococcus lactis subsp. cremoris, and Streptococcus salivarius subsp. thermophilus, allows to deduce their vitality during the ripening period within 28 days. Four cheeses have been prepared and analyzed (a) control cheese, (b) cheese with 0.1 g/l PABA, (c) cheese with 0.2 g/l PABA and (d) cheese with 0.4 g/l PABA – in two stages: t0 (beginning of ripening period) and

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McKinnon, Alexandra, Brendan Moore, Pavle Djuricanin, and Takamasa Momose. "UV Photolysis Study of Para-Aminobenzoic Acid Using Parahydrogen Matrix Isolated Spectroscopy." Photochem 2, no. 1 (2022): 88–101. http://dx.doi.org/10.3390/photochem2010008.

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Many sunscreen chemical agents are designed to absorb UVB radiation (and in some cases UVA) to protect the skin from sunlight, but UV absorption is often accompanied by photodissociation of the chemical agent, which may reduce its UV absorption capacity. Therefore, it is important to understand the photochemical processes of sunscreen agents. In this study, the photolysis of para-aminobenzoic acid (PABA), one of the original sunscreen chemical agents, at three different UV ranges (UVA: 355 nm, UVB: >280 nm, and UVC: 266 nm and 213 nm) was investigated using parahydrogen (pH2) matrix isolati

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Haroon, Faisal, Umme Farwa, Maimoona Arif, et al. "Novel Para-Aminobenzoic Acid Analogs and Their Potential Therapeutic Applications." Biomedicines 11, no. 10 (2023): 2686. http://dx.doi.org/10.3390/biomedicines11102686.

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A “building block” is a key component that plays a substantial and critical function in the pharmaceutical research and development industry. Given its structural versatility and ability to undergo substitutions at both the amino and carboxyl groups, para-aminobenzoic acid (PABA) is a commonly used building block in pharmaceuticals. Therefore, it is great for the development of a wide range of novel molecules with potential medical applications. Anticancer, anti-Alzheimer’s, antibacterial, antiviral, antioxidant, and anti-inflammatory properties have been observed in PABA compounds, suggesting

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Wegkamp, Arno, Wietske van Oorschot, Willem M. de Vos, and Eddy J. Smid. "Characterization of the Role of para-Aminobenzoic Acid Biosynthesis in Folate Production by Lactococcus lactis." Applied and Environmental Microbiology 73, no. 8 (2007): 2673–81. http://dx.doi.org/10.1128/aem.02174-06.

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ABSTRACT The pab genes for para-aminobenzoic acid (pABA) biosynthesis in Lactococcus lactis were identified and characterized. In L. lactis NZ9000, only two of the three genes needed for pABA production were initially found. No gene coding for 4-amino-4-deoxychorismate lyase (pabC) was initially annotated, but detailed analysis revealed that pabC was fused with the 3′ end of the gene coding for chorismate synthetase component II (pabB). Therefore, we hypothesize that all three enzyme activities needed for pABA production are present in L. lactis, allowing for the production of pABA. Indeed, th

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Chen, Si, Jian Wu Lan, Si Die Wu, and Shao Jian Lin. "Influence of Benzoic Acid End-Capping on Properties of Poly( Ester-Imide-Ether) Block Copolymer and its Fiber." Advanced Materials Research 332-334 (September 2011): 223–26. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.223.

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A type of benzoic acid end-capped ploy(ester-imide-ether) (PEIE) block copolymers was synthesized by melt polycondensation from polytetrahydrofuran diol (PTMG), 1,4-butanediol (BD), benzoic acid (BA) and a diacid monomer which was synthesized of trimellitic anhydride (TMA) with para aminobenzoic acid (PABA). The structures and properties of the copolymers were investigated by FT-IR spectroscopy and Ubbelohde viscometer, DSC and TGA. Some properties of the copolymer fibers such as breaking strength, breaking elongation and elasticity were also measured. The result demonstrated that the adding o

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Kuratsu, Masahiro, Yoshimitsu Hamano, and Tohru Dairi. "Analysis of the Lactobacillus Metabolic Pathway." Applied and Environmental Microbiology 76, no. 21 (2010): 7299–301. http://dx.doi.org/10.1128/aem.01514-10.

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ABSTRACT We performed analyses of the phenotypic and genotypic relationships focusing on biosyntheses of amino acids, purine/pyrimidines, and cofactors in three Lactobacillus strains. We found that Lactobacillus fermentum IFO 3956 perhaps synthesized para-aminobenzoate (PABA), an intermediate of folic acid biosynthesis, by an alternative pathway.

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Zhou, Lu, Hongwei Yang, Zhen Zhang, et al. "Effects of Ligands in Rare Earth Complex on Properties, Functions, and Intelligent Behaviors of Polyurea–Urethane Composites." Polymers 14, no. 10 (2022): 2098. http://dx.doi.org/10.3390/polym14102098.

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There is a need to create next-generation polymer composites having high property, unique function, and intelligent behaviors, such as shape memory effect (SME) and self-healing (SH) capability. Rare earth complexes can provide luminescence for polymers, and their dispersion is highly affected by ligand structures. Here, we created three different REOCs with different ligands before studying the effects of ligands on REOC dispersion in polyurea–urethane (PUU) with disulfide bonds in main chains. In addition, the effects of different REOCs on mechanical properties, luminescent functions, and in

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Ibragimov, Aziz Bakhtiyarovich, Bakhtiyar Sabirkhanovich Zakirov, Bakhtiyar Tulyaganovich Ibragimov, and Jamshid Mengnorovich Ashurov. "X-ray structures of organic salts between diethanolamine and ortho- and para-isomers of aminobenzoic acid: A specific synthon responsible for an association of the components." European Journal of Chemistry 9, no. 2 (2018): 121–25. http://dx.doi.org/10.5155/eurjchem.9.2.121-125.1712.

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Two organic salts between diethanolamine (DEA) and ortho- and para-isomers (OABA and PABA) of aminobenzoic acid (ABA) have been obtained and their X-ray single crystal structures determined. In both salts, cationic and anionic components are incorporated into dimers by the two H-bonds formed between ABA carboxylate oxygen atoms and nitrogen and one of oxygen atoms of DEA which close a cycle with the graph-set notation of R22(9). Further dimers are associated by intricate systems of the H-bonds into 1D- and 3D-network structures in crystals of DEA·OABA and DEA·PABA, respectively. H-bonding whic

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Chetia, Monikha, Swapna Debnath, Sumit Chowdhury, and Sunanda Chatterjee. "Self-assembly and multifunctionality of peptide organogels: oil spill recovery, dye absorption and synthesis of conducting biomaterials." RSC Advances 10, no. 9 (2020): 5220–33. http://dx.doi.org/10.1039/c9ra10395c.

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Smith, Graham, and Daniel E. Lynch. "Crystal structures of three anhydrous salts of the Lewis base 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) with the ring-substituted benzoic acid analogues 4-aminobenzoic acid, 3,5-dinitrobenzoic acid and 3,5-dinitrosalicylic acid." Acta Crystallographica Section E Crystallographic Communications 72, no. 3 (2016): 382–86. http://dx.doi.org/10.1107/s205698901600267x.

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The anhydrous salts of the Lewis base 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) with 4-aminobenzoic acid [1-aza-8-azoniabicyclo[5.4.0]undec-7-ene 4-aminobenzoate, C9H17N2+·C7H6NO2−(I)], 3,5-dinitrobenzoic acid [1-aza-8-azoniabicyclo[5.4.0]undec-7-ene 3,5-dinitrobenzoate, C9H17N2+·C7H3N2O6−, (II)] and 3,5-dinitrosalicylic acid (DNSA) [1-aza-8-azoniabicyclo[5.4.0]undec-7-ene 2-hydroxy-3,5-dinitrobenzoate, C9H17N2+·C7H3N2O7−, (III)] have been determined and their hydrogen-bonded structures are described. In both (II) and (III), the DBU cations have a common disorder in three of the C atoms of the

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35

Rubio-Pons, Òscar, and Yi Luo. "The permanent dipole moment of gas-phase para-amino benzoic acid revisited." Journal of Chemical Physics 121, no. 1 (2004): 157. http://dx.doi.org/10.1063/1.1756862.

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RAMESH, T. N., S. A. INCHARA, and K. PALLAVI. "Para-amino benzoic acid–mediated synthesis of vaterite phase of calcium carbonate." Journal of Chemical Sciences 127, no. 5 (2015): 843–48. http://dx.doi.org/10.1007/s12039-015-0849-3.

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M, Bakyalakshmi, Senthilkumar K L, Gokulan P D, Karthikeyan S, Pattaluchetty P, and Sathish Kumar S. "Synthesis, spectrum characterization and estimation of biological activity of new heterocycylic compound." World Journal of Pharmaceutical Sciences 10, no. 04 (2022): 01–07. http://dx.doi.org/10.54037/wjps.2022.100401.

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This present work deals with the synthesis of new azo derivative based on reaction between Amino pyridine and Para hydroxy benzoic acid. The synthesized compound was determined by spectrum characterization and screened for Antimicrobial and anthelmintic activity.

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Nilsson, Sven. "Treatment of Diabetes Mellitus with a Preparation Containing Salicylic Acid, Para-amino Benzoic Acid, and Ascorbic Acid (PASCON)." Acta Medica Scandinavica 165, no. 4 (2009): 273–78. http://dx.doi.org/10.1111/j.0954-6820.1959.tb14500.x.

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Meijer, Gerard, Mattanjah S. de Vries, Heinrich E. Hunziker, and H. Russell Wendt. "Laser desorption jet‐cooling spectroscopy of para‐amino benzoic acid monomer, dimer, and clusters." Journal of Chemical Physics 92, no. 12 (1990): 7625–35. http://dx.doi.org/10.1063/1.458200.

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Slobodianiuk, Oksana, Oleksandra Berezhnytska, Tetyana Kamens'ka, and Мария Русакова. "SYNTHESIS AND PROPERTIES OF NEW N-ACYL DERIVATIVES OF ANTHRANILIC ACID." Ukrainian Chemistry Journal 85, no. 4 (2019): 59–70. http://dx.doi.org/10.33609/0041-6045.85.4.2019.59-70.

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A series of N-acyl derivatives of anthranil (or o -aminobenzoic acid) was first synthesized, namely 2-(4-octylbenzamido)benzoic acid, 2-(4-(heptyloxy)- benzamido)benzoic acid, 2-(4-(heptylsulfanyl)benz-amido)benzoic acid. 2-(4-octylbenzamido)benzoic acid was synthesized in five stages of octylbenzene, by acylating chloride acid using a Friedie-Crafts reaction. 2-(4-(heptyloxy)benzamido)benzoic acid was prepared from the methyl ester of p-hydroxybenzoic acid which, at the first stage, was activated with 1-bromoheptane in acetonitrile with potassium carbonate and catalytic amount of sodium iodid

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Kolde, H.-J., R. Eberle, H. Hebert, and N. Heimburger. "New Chromogenic Substrates for Thrombin with Increased Specificity." Thrombosis and Haemostasis 56, no. 02 (1986): 155–59. http://dx.doi.org/10.1055/s-0038-1661631.

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SummaryChromogenic substrates for thrombin with high specificity are necessary for several functional assays, especially for the performance of photometric PT and APTT. A new approach to improve the specificity of chromogenic peptide substrates is made coupling tripeptide sequences selective for thrombin to derivatives of 5-amino-2-nitro benzoic acid (ANBA). Especially when the chromophore’s side chain is substituted by amines or amino acids hydrolysis rates by other enzymes like kallikrein, plasmin or factor Xa are decreased significantly compared to corresponding para-nitroanilides of the sa

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Verma, Abhay Kumar, Alex Martin, and Arun Kumar Singh. "Synthesis, Characterization and evaluation of Anti-inflammatory and Analgesic activity of Benzothiazole derivatives." Indian Journal of Pharmaceutical and Biological Research 2, no. 03 (2014): 84–89. http://dx.doi.org/10.30750/ijpbr.2.3.14.

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A parent benzothiazole nucleus was synthesized by para amino acetanilide, then it is subjected to treatment with various substituted aromatic aldehydes to get the corresponding Schiff’s bases followed by treatment with pthalic anhydride to form 2-(6- acetamidobenzo[d]thiazol-2-ylcarbamoyl)benzoic acid. The structures of synthesized compounds were confirmed by various spectroscopic methods such as IR, 1H NMR and mass spectroscopy. The products were evaluated for their anti-inflammatory and analgesic activities. Some of the compounds exhibited potent activities when compared with the standards.

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Rongali, Sailaja, Jagadeesh Panda, Kala Jyotsna Bankuru, Hanumanth Badri, Manju Priya Bonela, and Bhavya Gonthupalli. "Formulation and evaluation of bioadhesive buccal Films of Domperidone co-crystals by using Tamarind kernel powder as mucoadhesive polymer." Journal of Drug Delivery and Therapeutics 14, no. 8 (2024): 123–29. http://dx.doi.org/10.22270/jddt.v14i8.6647.

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As solubility plays key role in drug dissolution and bioavailability lots of techniques to enhance solubility are evolved. One of the techniques is co crystallization. The main aim of the work is to enhance the solubility of domperidone by co crystallization using coformers like Para amino benzoic acid and succinic acid. The cocrystals were evaluated for melting point and solubility enhancement. these cocrystals were used to prepare buccal films by solvent casting method. In the preparation of buccal films Tamarind kernel powder obtained from the seeds of Tamarind is used as mucoadhesive polym

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Ganjeizadeh Rohani, Fatemeh, Alireza Mohadesi, and Mehdi Ansari. "Electrochemical synthesis, characterization, and spectroelectrochemical evaluation of poly(para amino benzoic acid-co-4,4-diaminodiphenyl sulfone) film." Journal of Materials Science: Materials in Electronics 30, no. 9 (2019): 8686–97. http://dx.doi.org/10.1007/s10854-019-01192-5.

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Shi, Yanni, Min Li, Ning Wang, Malcolm Xing, and Qilin Wu. "Para-amino benzoic acid doped micro-grooved carbon fibers to improve strength and biocompatibility of PLA-PEG." Science China Materials 59, no. 11 (2016): 911–20. http://dx.doi.org/10.1007/s40843-016-5065-0.

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Havinga, E., and H. Veldstra. "Researches on sulphanilamide, para-amino-benzoic acid and their derivatives. III: Ultraviolet absorption spectra and potentiometric titrations." Recueil des Travaux Chimiques des Pays-Bas 66, no. 4 (2010): 257–72. http://dx.doi.org/10.1002/recl.19470660412.

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El Hajjaji, Fadoua, Farid Abrigach, Othman Hamed, et al. "Corrosion Resistance of Mild Steel Coated with Orgainc Material Containing Pyrazol Moiety." Coatings 8, no. 10 (2018): 330. http://dx.doi.org/10.3390/coatings8100330.

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Pyridine (P1) and benzoic acid (P2) derivatives with pyrazole moieties were synthesized and evaluated as corrosion inhibitors for mild steel in acidic medium. The evaluation was performed by electrochemical impedance spectroscopy (EIS), potentiodynamic polarization, and weight loss measurement. The surface morphologies of the control and steel samples coated with the pyrazole derivatives P1 and P2 were examined by the scanning electron microscopy (SEM), UV-Vis, and X-ray photoelectron spectrocopy (XPS) spectroscopies. Results revealed minor changes on steel surfaces before and after immersion

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Kuzmina, Nadezhda M., Dmitry S. Gusarov, Thi Ngok An Vu, and Olga V. Kovalchukova. "Synthesis and study of new azo dyes based on functionally substituted derivatives of salicylic acid." Butlerov Communications 63, no. 7 (2020): 31–38. http://dx.doi.org/10.37952/roi-jbc-01/20-63-7-31.

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Three chromatographically pure azo dyes based on salicylic acid and para-nitroaniline were isolated in 60-64% yields. The structure of the synthesized compounds was proved by IR spectroscopy. The spectra of the compounds contain characteristic absorption bands associated with the vibrations of O–H, N–H, C=O, and N=N groups. The products precipitated as orange-brown powders, which corresponds to compounds with a short system of conjugated double bonds. The predominant tautomeric form of existence of the synthesized azo compounds was determined – 5,5'-(diazen-1,2-diyl)bis(2-hydroxybenzoic acid),

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Havinga, E., and H. Veldstra. "Researches on sulphanilamide, para-amino-benzoic acid and their derivates V: On the mechanism of the action of sulphonamides and of p-amino-benzoic acid, with remarks on the action of ergons and anti-ergons in general." Recueil des Travaux Chimiques des Pays-Bas 66, no. 5 (2010): 285–99. http://dx.doi.org/10.1002/recl.19470660503.

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Nappo, Valentina, Rachel Sullivan, Roger Davey, Simon Kuhn, Asterios Gavriilidis, and Luca Mazzei. "Effect of shear rate on primary nucleation of para-amino benzoic acid in solution under different fluid dynamic conditions." Chemical Engineering Research and Design 136 (August 2018): 48–56. http://dx.doi.org/10.1016/j.cherd.2018.04.039.

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