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Picco CJ, Anjani QK, Donnelly RF, Larrañeta E. An isocratic RP-HPLC-UV method for simultaneous quantification of tizanidine and lidocaine: application to in vitro release studies of a subcutaneous implant. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:979-989. [PMID: 38165785 DOI: 10.1039/d3ay01833d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
Implantable devices have been widely investigated to improve the treatment of multiple diseases. Even with low drug loadings, these devices can achieve effective delivery and increase patient compliance by minimizing potential side effects, consequently enhancing the quality of life of the patients. Moreover, multi-drug products are emerging in the pharmaceutical field, capable of treating more than one ailment concurrently. Therefore, a simple analytical method is essential for detecting and quantifying different analytes used in formulation development and evaluation. Here, we present, for the first time, an isocratic method for tizanidine hydrochloride (TZ) and lidocaine (LD) loaded into a subcutaneous implant, utilizing reversed-phase high-performance liquid chromatography (RP-HPLC) coupled with a UV detector. These implants have the potential to treat muscular spasticity while providing pain relief for several days after implantation. Chromatographic separation of the two drugs was accomplished using a C18 column, with a mobile phase consisting of 0.1% TFA in water and MeOH in a 58 : 42 ratio, flowing at 0.7 ml min-1. The method exhibited specificity and robustness, providing accurate and precise results. It displayed linearity within the range of 0.79 to 100 μg ml-1, with an R2 value of 1 for the simultaneous analysis of TZ and LD. The developed method demonstrated selectivity, offering limits of detection and quantification of 0.16 and 0.49 μg ml-1 for TZ, and 0.30 and 0.93 μg ml-1 for LD, respectively. Furthermore, the solution containing both TZ and LD proved stable under various storage conditions. While this study applied the method to assess an implant device, it has broader applicability for analysing and quantifying the in vitro drug release of TZ and LD from diverse dosage forms in preclinical settings.
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Affiliation(s)
- Camila J Picco
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK.
| | - Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK.
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK.
| | - Eneko Larrañeta
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK.
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2
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Suo M, Zhao X, Yu G, Zhang W. Lidocaine loaded nanostructured lipid carriers for prolonged local anesthesia: in vitro and in vivo studies. J DISPER SCI TECHNOL 2022. [DOI: 10.1080/01932691.2020.1844739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Meng Suo
- Department of Anesthesiology, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Xu Zhao
- Department of Anesthesiology, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Guanling Yu
- IVF laboratory, Center for Reproductive Medicine, Shandong University, Jinan, Shandong, China
| | - Wenjia Zhang
- Department of Anesthesiology, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
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3
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Kim JH, Kang DW, Choi GW, Lee SB, Lee S, Cho HY. Evaluation of Lidocaine and Metabolite Pharmacokinetics in Hyaluronic Acid Injection. Pharmaceutics 2021; 13:pharmaceutics13020203. [PMID: 33540917 PMCID: PMC7913210 DOI: 10.3390/pharmaceutics13020203] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/24/2021] [Accepted: 01/28/2021] [Indexed: 12/03/2022] Open
Abstract
Lidocaine-incorporated hyaluronic acid injection (LHA) is considered a promising way to increase patient compliance. Various reviews and analyses have been conducted to verify that the addition of lidocaine had no effect on the product quality of hyaluronic acid injections. However, possible pharmacokinetic (PK) alterations of lidocaine and its active metabolites, monoethylglycylxylidide (MEGX) and glycylxylidide (GX), in hyaluronic acid injection have not been studied so far. Thus, the objective of this study was to evaluate lidocaine and its metabolite PK after 0.3% lidocaine solution or LHA injection and to investigate any changes in PK profiles of lidocaine and its active metabolites. To do this, a novel bio-analytical method for simultaneous determination of lidocaine, MEGX, and GX in rat plasma was developed and validated. Then, plasma concentrations of lidocaine and its active metabolites MEGX and GX following subcutaneous (SC) injection of 0.3% lidocaine solution or LHA with 0.3–1% lidocaine in male Sprague-Dawley rats were successfully determined. The obtained data were used to develop a parent-metabolite pharmacokinetic (PK) model for LHA injection. The half-life, dose-normalized Cmax, and AUCinf of lidocaine after SC injection of lidocaine solution and LHA did not show statistically significant difference. The PK characteristics of lidocaine after LHA administration were best captured using a two-compartment model with combined first-order and transit absorption and its clearance described with Michaelis–Menten and first-order elimination kinetics. Two one-compartment models were consecutively added to the parent model for the metabolites. In conclusion, the incorporation of lidocaine in hyaluronic acid filler injection did not alter the chemical’s pharmacokinetic characteristics.
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Affiliation(s)
- Ju Hee Kim
- College of Pharmacy, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do 13488, Korea; (J.H.K.); (D.W.K.); (G.-W.C.)
| | - Dong Wook Kang
- College of Pharmacy, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do 13488, Korea; (J.H.K.); (D.W.K.); (G.-W.C.)
| | - Go-Wun Choi
- College of Pharmacy, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do 13488, Korea; (J.H.K.); (D.W.K.); (G.-W.C.)
| | - Sang Bok Lee
- CHA Meditech Co., Ltd., Daejeon-si 1646, Korea; (S.B.L.); (S.L.)
| | - Seongjin Lee
- CHA Meditech Co., Ltd., Daejeon-si 1646, Korea; (S.B.L.); (S.L.)
| | - Hea-Young Cho
- College of Pharmacy, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do 13488, Korea; (J.H.K.); (D.W.K.); (G.-W.C.)
- Correspondence:
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4
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Whang YH, Kim SK, Yoon H, Choi SK, Baik YO, Lee C, Lee I. Reduction of free polysaccharide contamination in the production of a 15-valent pneumococcal conjugate vaccine. PLoS One 2020; 15:e0243909. [PMID: 33301525 PMCID: PMC7728214 DOI: 10.1371/journal.pone.0243909] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 11/30/2020] [Indexed: 11/19/2022] Open
Abstract
Glycoconjugate vaccines are vaccines in which a bacterial polysaccharide antigen is conjugated to a carrier protein to enhance immunogenicity by promoting T cell-dependent immune response. However, the free (unreacted) polysaccharides remaining after the conjugation process can inhibit the immunogenicity of a conjugate vaccine. Thus, we aimed to reduce the unbound free polysaccharides in the polysaccharide-protein conjugation process for the development of a new 15-valent pneumococcal conjugate vaccine (PCV15) by varying some factors that may affect the conjugation results such as polysaccharide/protein ratio, polysaccharide size, and concentration of a coupling agent in a conjugation reaction mixture. Concentrations of a coupling agent, carbodiimide (EDAC), and a carrier protein (CRM197) used in PCV15 production, during the conjugation process, had little effect on the content of free polysaccharides. However, the size of the polysaccharide was identified as the critical factor to control the free polysaccharide content, with an inverse relationship observed between the molecular weight of the polysaccharide and the residual free polysaccharide content after conjugation. Based on these results, a new PCV15 with low free polysaccharide contamination was produced and tested for immunogenicity using a rabbit model to show that it induces similar level of immune responses in rabbits compared to a comparator vaccine Prevnar13®.
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Affiliation(s)
- Yoon Hee Whang
- R&D Center, EuBiologics Co., Ltd., Chuncheon, Republic of Korea
| | - Soo Kyung Kim
- R&D Center, EuBiologics Co., Ltd., Chuncheon, Republic of Korea
| | - Hyeseon Yoon
- R&D Center, EuBiologics Co., Ltd., Chuncheon, Republic of Korea
| | - Seuk Keun Choi
- R&D Center, EuBiologics Co., Ltd., Chuncheon, Republic of Korea
| | - Yeong Ok Baik
- R&D Center, EuBiologics Co., Ltd., Chuncheon, Republic of Korea
| | - Chankyu Lee
- R&D Center, EuBiologics Co., Ltd., Chuncheon, Republic of Korea
- * E-mail: (CL); (IL)
| | - Inhwan Lee
- R&D Center, EuBiologics Co., Ltd., Chuncheon, Republic of Korea
- * E-mail: (CL); (IL)
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Zhang H, Zhao Z, Chen W, Lv M, Cheng J, Sun Z. In vitro and in vivo studies of micro-depots using tailored microemulsion for sustained local anaesthesia. Pharm Dev Technol 2020; 25:874-881. [PMID: 32274946 DOI: 10.1080/10837450.2020.1754425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
In clinical practice, lidocaine is used as local anesthetic for the management of post-operative pain. The commercial formulation including gels, injections and ointments showed short duration of action (1 to 2 h). In this paper, the efforts have being made to develop tailored lidocaine-microemulsion (o/w), which on penetration in the skin layer cause micro-depots formation due to destabilization of the microemulsion system. To identify the microemulsion region, pseudo ternary diagrams were constructed using Capmul MCM as oil, Pluronic F68 as tri-block surfactant, polyethylene glycol 200 as co-surfactant at 1:4 and 1:6 ratios (S:Co-S). The selected 5%w/v lidocaine loaded microemulsion [Ld-ME-2(1:4)] was stable in thermodynamic test and during shelf life period (3 months). In ex vivo permeability study, the lidocaine release from Ld-ME-2(1:4) microemulsion was sustained in comparison to the marketed lidocaine ointment. The skin irritation study confirmed the safety of lidocaine loaded microemulsion. Tail flick test showed improved and sustain local anaesthetic effect in comparison to the market ointment. The improved efficacy of microemulsion system, was due to high penetration in the skin layer due to local precipitation of lidocaine from microemulsion. The findings suggest that the tailored microemulsion could be a potential strategy to prolong the local anaesthesia.
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Affiliation(s)
- Haiping Zhang
- Department of Anesthesiology, The Fourth Affiliated Hospital of Nanchang University, Jiangxi, China
| | - Zeyu Zhao
- Department of Anesthesiology, Sichuan Bayi Rehabilitation Center (Sichuan Provincial Rehabilitation Hospital), Chengdu, China
| | - Wenjia Chen
- Department of Anesthesiology, Taizhou People's Hospital, Taizhou, China
| | - Miaomiao Lv
- Department of Anesthesiology, The 323 Hospital of PLA, Xi'an, China
| | - Junmei Cheng
- Department of Pathology, Central Laboratory of Heze Medical College, Heze, China
| | - Zhihua Sun
- Department of Anesthesiology, Xiangya Hospital Central South University, Changsha, China
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6
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Zhao Z, Lian Y, Zhu Y, Ye H, Liu M, Li J. Depot lidocaine-loaded microemulsion for prolonged local anesthesia: Different efficacy model studies. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2019.101404] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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7
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Zhang X, Dang M, Zhang W, Lei Y, Zhou W. Sustained delivery of prilocaine and lidocaine using depot microemulsion system:in vitro, ex vivoandin vivoanimal studies. Drug Dev Ind Pharm 2020; 46:264-271. [PMID: 32000536 DOI: 10.1080/03639045.2020.1716377] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Xiaomin Zhang
- Department of Neurology, The Second People’s Hospital of Yunnan Province, Yunnan, China
| | - Minyan Dang
- Innoscience Research Sdn Bhd, Selangor, Malaysia
| | - Wenzhi Zhang
- Innoscience Research Sdn Bhd, Selangor, Malaysia
| | - Yan Lei
- Innoscience Research Sdn Bhd, Selangor, Malaysia
| | - Wentao Zhou
- Department of Anesthesiology, The Second People's Hospital of Shaanxi Province, Shaanxi, China
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8
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Lidocaine tripotassium phosphate complex laden microemulsion for prolonged local anaesthesia: In vitro and in vivo studies. Colloids Surf B Biointerfaces 2020; 185:110632. [DOI: 10.1016/j.colsurfb.2019.110632] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/31/2019] [Accepted: 11/07/2019] [Indexed: 12/28/2022]
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9
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Mulabagal V, Annaji M, Kurapati S, Dash RP, Srinivas NR, Tiwari AK, Babu RJ. Stability-indicating HPLC method for acyclovir and lidocaine in topical formulations. Biomed Chromatogr 2019; 34:e4751. [PMID: 31756271 DOI: 10.1002/bmc.4751] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/24/2019] [Accepted: 11/14/2019] [Indexed: 11/11/2022]
Abstract
A simple, rapid and accurate stability-indicating HPLC assay was developed for the determination of acyclovir and lidocaine in topical formulations. Chromatographic separation of acyclovir and lidocaine was achieved using a reversed-phase C18 column and a gradient mobile phase (20 mm ammonium acetate pH 3.5 in water and acetonitrile). The degradation products of acyclovir and lidocaine in the samples were analyzed by ultra performance liquid chromatography-time of flight mass spectrometry. The HPLC method successfully resolved the analytes from the impurities and degradation products in the topical formulation. Furthermore, the method detected the analytes from the human skin leachables following the extraction of the analytes in the skin homogenate samples. The method showed linearity over wide ranges of 5-500 and 10-200 μg/ml for acyclovir and lidocaine in the topical product, respectively, with a correlation coefficient (r2 ) >0.9995. The relative standard deviations for precision, repeatability, and robustness of the method validation assays were <2%. The skin extraction efficiency for acyclovir and lidocaine was 92.8 ± 0.7% and 91.3 ± 3.2%, respectively, with no interference from the skin leachables. Thus, simultaneous quantification of acyclovir and lidocaine in the topical formulations was achieved.
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Affiliation(s)
- Vanisree Mulabagal
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, AL, USA
| | - Manjusha Annaji
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, AL, USA
| | - Sharmila Kurapati
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, AL, USA
| | - Ranjeet Prasad Dash
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, AL, USA
| | - Nuggehally R Srinivas
- Department of Innovation and Technology, Jubilant Life Sciences, Noida, Uttar Pradesh, India
| | - Amit K Tiwari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy & Pharmaceutical Sciences, University of Toledo, Toledo, OH, USA
| | - R Jayachandra Babu
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, AL, USA
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Singh I, Nair RS, Gan S, Cheong V, Morris A. An evaluation of crude palm oil (CPO) and tocotrienol rich fraction (TRF) of palm oil as percutaneous permeation enhancers using full-thickness human skin. Pharm Dev Technol 2018; 24:448-454. [PMID: 30084268 DOI: 10.1080/10837450.2018.1509347] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The drawbacks associated with chemical skin permeation enhancers such as skin irritation and toxicity necessitated the research to focus on potential permeation enhancers with a perceived lower toxicity. Crude palm oil (CPO) is obtained by direct compression of the mesocarp of the fruit of the oil palm belonging to the genus Elaeis. In this research, CPO and tocotrienol-rich fraction (TRF) of palm oil were evaluated for the first time as skin permeation enhancers using full-thickness human skin. The in vitro permeation experiments were conducted using excised human skin mounted in static upright 'Franz-type' diffusion cells. The drugs selected to evaluate the enhancing effects of these palm oil derivatives were 5-fluorouracil, lidocaine and ibuprofen: compounds covering a wide range of Log p values. It was demonstrated that CPO and TRF were capable of enhancing the percutaneous permeation of drugs across full-thickness human skin in vitro. Both TRF and CPO were shown to significantly enhance the permeation of ibuprofen with flux values of 30.6 µg/cm2 h and 23.0 µg/cm2 h respectively, compared to the control with a flux of 16.2 µg/cm2 h. The outcome of this research opens further scope for investigation on the transdermal penetration enhancement activity of pure compounds derived from palm oil.
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Affiliation(s)
- Inderjeet Singh
- a School of Pharmacy , The University of Nottingham Malaysia Campus, Jalan Broga , Semenyih , Malaysia
| | - Rajesh Sreedharan Nair
- a School of Pharmacy , The University of Nottingham Malaysia Campus, Jalan Broga , Semenyih , Malaysia
| | - Suyin Gan
- b Department of Chemical and Environmental Engineering , The University of Nottingham Malaysia Campus, Jalan Broga , Semenyih , Malaysia
| | - Victor Cheong
- c Parkcity Medical Centre, 2 Jalan Intisari Perdana , Desa ParkCity , Malaysia
| | - Andrew Morris
- a School of Pharmacy , The University of Nottingham Malaysia Campus, Jalan Broga , Semenyih , Malaysia
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Rahbar N, Ramezani Z, Babapour A. Electro-Oxidation Mechanism and Direct Square-Wave Voltammetric Determination of Lidocaine With a Carbon-Paste Electrode. Jundishapur J Nat Pharm Prod 2015; 10:e19382. [PMID: 25866720 PMCID: PMC4379891 DOI: 10.17795/jjnpp-19382] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2014] [Revised: 08/07/2014] [Accepted: 10/11/2014] [Indexed: 11/25/2022] Open
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Hoonka S, Durgbanshi A, Esteve-Romero J, Dubey NP, Bose D. SIMULTANEOUS DETERMINATION OF THREE STUPEFACIENTS IN FOODSTUFF USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2013.789800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Subhra Hoonka
- a Department of Criminology and Forensic Science , Dr. Harisingh Gour University , Sagar (MP) , India
| | | | | | - Neeti Prakesh Dubey
- d Himachal Pradesh Regional Forensic Science Laboratory , Dharamshala (HP) , India
| | - Devasish Bose
- a Department of Criminology and Forensic Science , Dr. Harisingh Gour University , Sagar (MP) , India
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Zheng LQ, Yu XD, Xu JJ, Chen HY. Rapid visual detection of quaternary ammonium surfactants using citrate-capped silver nanoparticles (Ag NPs) based on hydrophobic effect. Talanta 2014; 118:90-5. [DOI: 10.1016/j.talanta.2013.10.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 09/29/2013] [Accepted: 10/03/2013] [Indexed: 11/27/2022]
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Wojnarowska Z, Kołodziejczyk K, Paluch KJ, Tajber L, Grzybowska K, Ngai KL, Paluch M. Decoupling of conductivity relaxation from structural relaxation in protic ionic liquids and general properties. Phys Chem Chem Phys 2013; 15:9205-11. [DOI: 10.1039/c3cp50627d] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Belal TS, Haggag RS. Gradient HPLC-DAD Stability Indicating Determination of Miconazole Nitrate and Lidocaine Hydrochloride in their Combined Oral Gel Dosage Form. J Chromatogr Sci 2012; 50:401-9. [DOI: 10.1093/chromsci/bms019] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Caris JA, Silva BJG, Moisés ECD, Lanchote VL, Queiroz MEC. Automated analysis of lidocaine and its metabolite in plasma by in-tube solid-phase microextraction coupled with LC-UV for pharmacokinetic study. J Sep Sci 2012; 35:734-41. [DOI: 10.1002/jssc.201100872] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2011] [Revised: 11/16/2011] [Accepted: 12/14/2011] [Indexed: 11/09/2022]
Affiliation(s)
- Juciene Aparecida Caris
- Departamento de Química, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto; Universidade de São Paulo; São Paulo; Brazil
| | - Bruno José Gonçalves Silva
- Departamento de Química, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto; Universidade de São Paulo; São Paulo; Brazil
| | | | - Vera Lúcia Lanchote
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto; Universidade de São Paulo; São Paulo; Brazil
| | - Maria Eugênia Costa Queiroz
- Departamento de Química, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto; Universidade de São Paulo; São Paulo; Brazil
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Terol A, Gómez-Mingot M, Maestre SE, Prats S, Luis Todolí J, Paredes E. Simple and rapid analytical method for the simultaneous determination of cetrimonium chloride and alkyl alcohols in hair conditioners. Int J Cosmet Sci 2010; 32:65-72. [DOI: 10.1111/j.1468-2494.2009.00553.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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