... trên, kỹ thuật sắc ký lỏng (liquid chromatography, LC) được phất triển, hoàn thiện để có được kỹ thuật sắc ký lỏng hiệu năng cao (hiph performance liquid chromatography, HPLC) Năm 1967, Horvath C ... extraction Kỹ thuật vi ly trích trên pha rắn GC Gas Chromatography Kỹ thuật sắc ký khí LC Liquid chromatography Kỹ thuật sắc ký lỏng TUC | Think Layer Chromatography Kỹ thuật sắc ký lớp mỏng ACN | ... khỏi cột Trang 33 1.3 Cách phan loai sac ky trong HPLC "7! Trong HPLC được chia thành hai loại chính: HPLC voi pha thuong (Normal — phase HPLC) Pha tinh nhu silica ( pH = 2 — 8 ), alumina
Ngày tải lên: 09/03/2014, 18:55
... CAO (HIGH PERFORMANCE LIQUID CHROMATOGRAPHY - HPLC) Nguyễn Viết Khẩn TRƯỜNG ĐẠI HỌC Y DƯỢC HUẾ KHOA DƯỢC Trang 44 1 Giới thiệu HPLC ? Trang 6Cho biết các bộ phận: số 1, 2, 3, 4, 5 của máy HPLC ... C18Trang 1818 hoặc ion hóa rất yếu) trong dung môi pha đảo 6 Pha động Dung môi đạt độ tinh khiết cao (HPLC grade) Đuổi khí oxy hòa tan Mẫu phân tích phải tan hoàn toàn trong pha động 3 chát hay dùng: ... (Resolution) 7 Các thông số đặc trưng của sắc ký Trang 28Một số detector (bộ phận phát hiện) của HPLC phổ biến: 28 • Detector tử ngọai/khả kiến (ultraviolet/visible - UV/Vis) • Detector huỳnh quang
Ngày tải lên: 11/04/2024, 22:31
Báo cáo thí nghiệm kỹ thuật hóa sinh bài 1 hplc high performance liquid chromatography
... 1: HPLC - HIGH PERFORMANCE LIQUID CHROMATOGRAPHY Tổng quan 1.1 Giới thiệu HPLC đời khoảng năm 1967 – 1968 dựa sở phát triển cải tiến từ phương pháp sắc ký cột cổ điển Định nghĩa: Sắc ký lỏng HPLC ... MỤC BẢNG BÀI 1: HPLC - HIGH PERFORMANCE LIQUID CHROMATOGRAPHY Tổng quan 1.1 Giới thiệu 1.2 Nguyên lý hoạt động hệ thống HPLC: 1.3 Phân loại ... ghi nhận tín hiệu, sau tiến hành xả bỏ 1.3 Phân loại Dựa chế tách pha tĩnh, HPLC có loại sau: 1.3.1 HPLC thuận (NP -HPLC) Sắc ký pha thuận sử dụng pha tĩnh phân cực pha động không phân cực Pha
Ngày tải lên: 19/12/2023, 15:24
Development and validation of high performance liquid chromatography method for the determination of nifedipine in drug - excipient compatibility testing samples
... Journal of military pharmaco-medicine no9-2019 DEVELOPMENT AND VALIDATION OF HIGH PERFORMANCE LIQUID CHROMATOGRAPHY METHOD FOR THE DETERMINATION OF NIFEDIPINE IN DRUG - EXCIPIENT COMPATIBILITY ... determination method of nifedipine in drug excipient compatibility testing samples by high performance liquid chromatography Methods: Chromatographic conditions include: PDA detector, analytical ... use in pre-formulation studies of the nifedipine dosage forms * Keywords: Nifedipine; High performance liquid chromatography; Drug - excipient compatibility INTRODUCTION Nifedipine (NIF), a dihydropyridine
Ngày tải lên: 14/01/2020, 21:45
Determination of lansoprazole in dog plasma using reversed phase high performance liquid chromatography
... single-step liquidliquid extraction with tert-butyl methyl ether was used for LPZ extraction from plasma samples obtained LPZ was determined by using reversed phase -high performance liquid chromatography ... pharmaco-medicine no2-2018 DETERMINATION OF LANSOPRAZOLE IN DOG PLASMA USING REVERSED PHASE -HIGH PERFORMANCE LIQUID CHROMATOGRAPHY Luong Quang Anh*; Vu Ngoc Thang** Tran Nguyen Ha***; Nguyen Ngoc Chien*** ... successfully applied to determine LPZ in dog plasma samples * Keywords: Lansoprazole; High performance liquid chromatography; Dog plasma; Validation INTRODUCTION Lansoprazole, a proton pump inhibitor,
Ngày tải lên: 23/01/2020, 10:46
Simultaneous determination of cetirizine, phenyl propanolamine and nimesulide using third derivative spectrophotometry and high performance liquid chromatography in pharmaceutical
... of cetirizine, phenyl propanolamine and nimesulide using third derivative spectrophotometry and? ?high performance liquid chromatography in pharmaceutical preparations Fatma Ahmed Aly, Nahed EL‑Enany, Heba Elmansi ... 46:295–302 Moncrieff J (1992) Determination of cetirizine in serum using reversedphase high- performance liquid chromatography with ultraviolet spectro‑ photometric detection J Chromatogr B 583:128–130 ... Simultaneous determination of nimesulide and hydroxynimesulide in human plasma and urine by highperformance liquid chromatography J Chromatogr B 425:413–418 17 Castoldi D, Monzani V, Tofanetti O (2003)
Ngày tải lên: 29/05/2020, 12:33
Simultaneous quantification of triterpenoic acids by high performance liquid chromatography method in the extracts of gum resin of Boswellia serrata obtained by different extraction
... plasma by high performance liquid chromatography tandem mass spectrometry Anal Chem 20:6640–6645 27 Shah AS, Rathod SI, Suhagia NB, Pandya SS, Parmar VK (2008) A simple high- performance liquid chromatographic ... acids, called as boswellic acids (BA’s) Results: A highly reproducible High performance liquid chromatography- ultraviolet diode array detection (HPLCUV-DAD) method was developed for the simultaneous ... 10.1186/s13065-016-0194-8 RESEARCH ARTICLE Open Access Simultaneous quantification of triterpenoic acids by? ?high performance liquid chromatography method in the extracts of gum resin of Boswellia serrata obtained by different
Ngày tải lên: 29/05/2020, 14:25
TIỂU LUẬN xác ĐỊNH POLYPHENOL BẰNG PHƯƠNG PHÁP sắc ký LỎNG CAO áp (HLPC HIGH PERFORMANCE LIQUID CHROMATOGRAPHY)
... THỰC PHẨM TIỂU LUẬN XÁC ĐỊNH POLYPHENOL BẰNG PHƯƠNG PHÁP SẮC KÝ LỎNG CAO ÁP (HLPC - HIGH PERFORMANCE LIQUID CHROMATOGRAPHY) Bộ môn: Phương pháp phân tích Cơng nghệ sinh học Giảng viên hướng dẫn: ... lỏng hiệu cao (HPLC) Năm 1967, giáo sư Csaba Horváth tác giả tạo máy HPLC để nghiên cứu nucleotide Phương pháp có ưu điểm áp suất cao, độ phân giải cao, vận tốc sắc ký nhanh, HPLC áp dụng nhiều ... tách truyền thống cho polyphenol chiết lỏng-lỏng, sắc ký lớp mỏng(thin layer chromatography – TLC), sắc ký lỏng hiệu cao (HPLC) Giới thiệu chung phương pháp sắc ký TIEU LUAN MOI download : skknchat@gmail.com
Ngày tải lên: 06/07/2022, 00:19
identification and determination of flavonoids in astragali radix by high performance liquid chromatography coupled with dad and esi ms detection
... 2011 Abstract: A method for the analysis of flavonoids in Astragali Radix by highperformance liquid chromatography (HPLC) combined with photodiode-array detection (DAD) and an electrospray ionization ... Radix and its products, including spectrophotometry [9], high- performance liquid chromatography [10,11] and LC/MS-MS [12] Reversed-phase HPLC is now commonly used for the separation of complex ... extracted samples and standard added samples Molecules 2011, 16 2302 Conclusions A high- performance liquid chromatography (HPLC) combined with DAD and ESI-MS method for the identification of isoflavonoids
Ngày tải lên: 02/11/2022, 11:34
Development of a high performance liquid chromatography method for simultaneously analysis of saponins and flavonoid in materi
... using thin layer chromatography [5], high- performance liquid chromatography (HPLC) with a photodiode array detector (PDA) [1, 2, 4, 6], and highperformance liquid chromatography (HPLC) tandem mass ... luutrang1710@gmail.com Vietnam Journal of Food Control - vol 5, no 4, 2022 634 Development of a high- performance liquid chromatography method for … humid tropical monsoon climate area is considered as a favorable ... Scientific Research Development of a high- performance liquid chromatography method for simultaneously analysis of saponins and flavonoid in materials
Ngày tải lên: 04/11/2022, 14:51
High performance liquid chromatography–tandem mass spectrometry quantification of tryptophan metabolites in human serum and stool – Application to clinical cohorts in Inflammatory
... Journal of Chromatography A 1685 (2022) 463602 Contents lists available at ScienceDirect Journal of Chromatography A journal homepage: www.elsevier.com/locate/chroma High performance liquid chromatography? ??tandem ... by liquid chromatography/ tandem mass spectrometry, J Chromatogr B 1054 (2017) 36–43 [16] L Whiley, LC Nye, I Grant, N Andreas, KE Chappell, MH Sarafian, et al., Ultrahigh -performance liquid chromatography ... analysis of 11 gut microbiota-host co-metabolites in rat serum, urine and feces by ultra high performance liquid chromatography- tandem mass spectrometry, J Chromatogr A 1429 (2016) 207–217 [18] A Lefèvre,
Ngày tải lên: 20/12/2022, 21:39
Development and validation of a semi-quantitative ultra-high performance liquid chromatography-tandem mass spectrometry method for screening of selective androgen receptor
... ether (TBME) without further clean-up and analysed by ultra -high performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS) A 12 gradient separation was carried out on a ... www.elsevier.com/locate/chroma Development and validation of a semi-quantitative ultra -high performance liquid chromatography- tandem mass spectrometry method for screening of selective androgen receptor ... L of equine urine, setting the pH value around 9.0 prior to a liquid- liquid extraction with 1.2 mL of TBME Moreover, supported liquid extraction (SLE) in equine urine was tested employing the
Ngày tải lên: 25/12/2022, 00:41
A comprehensive study of pomegranate flowers polyphenols and metabolites in rat biological samples by high-performance liquid chromatography quadrupole time-of-flight mass
... Therefore, in the present study, using rapid and high sensitive, high- performance liquid chromatography quadrupole time-offlight mass spectrometry (HPLC- Q-TOF-MS2 ) method, we characterized the phytochemical ... study of pomegranate flowers polyphenols and metabolites in rat biological samples by high- performance liquid chromatography quadrupole time-of-flight mass spectrometry Zainaipuguli Yisimayili a,b,c, ... duchesnea indica combining macroporous resin chromatography (MRC) with HPLC- ESI-MS/MS and ESI-IT-MS, Molecules 20 (2015) 22463–22475 [14] Y Liu, N.P Seeram, Liquid chromatography coupled with time-of-flight
Ngày tải lên: 25/12/2022, 00:45
Towards using high-performance liquid chromatography at home
... Keywords: Chromatography at home low-cost HPLC low-cost electrochemical HPLC detector, low-cost HPLC pump quantified self a b s t r a c t In order to make high- performance liquid chromatography (HPLC) ... of Chromatography A 1639 (2021) 461925 Contents lists available at ScienceDirect Journal of Chromatography A journal homepage: www.elsevier.com/locate/chroma Towards using high- performance liquid ... capillary liquid chromatography, Journal of Chromatography A 1016 (2003) 129–141, doi:10.1016/S0021-9673(03)01290-1 [31] A Prüss, C Kempter, J Gysler, T Jira, Evaluation of packed capillary liquid chromatography
Ngày tải lên: 25/12/2022, 02:00
Identification and characterization of single nucleotide polymorphisms in 12 chicken growthcorrelated genes by denaturing high performance liquid chromatography
... of SNP Denaturing high- performance liquid chromatography (DHPLC) was used to identify SNP because it is an efficient way for screening sequence variation The SNP identified with DHPLC were also confirmed ... used to identify single nucleotide polymorphisms (SNP) using the denaturing high performance liquid chromatography (DHPLC) technology A total of 283 SNP were discovered in 31 897 base pairs (bp) ... DHPLC was successfully used to discover SNP in functional chicken genes As a highly sensitive and automated method, DHPLC is mainly based on the capability of ion-pair reverse-phase liquid chromatography
Ngày tải lên: 29/12/2022, 23:27
Ebook Chromatographic fingerprint analysis of herbal medicines: Thin-layer and high performance liquid chromatography of Chinese drugs (Vol.3) - Part 2
... (min) Fig 4c: HPLC- fingerprint analysis of the methanol extract of Caulis Bambusae in Taenia, sample 4.1 Description of the HPLC- Figures (methanol extracts): Figures 4a and 4b: Both HPLC- fingerprints ... detected HPLC- Fingerprint Analysis Sample preparation: The same extracts (methanol and chloroform) which are used for the TLC Injection volume: Caulis Bambusae in Taenia extracts: 20 μl each HPLC ... Platycodonis – Jiegeng HPLC- Fingerprint Analysis Sample preparation: The same extracts used for TLC fingerprint analysis Injection volume: Radix Platycodonis extracts: 10 μl each HPLC parameter: Apparatus:
Ngày tải lên: 19/02/2023, 08:08
XÁC ĐỊNH HÀM LƯỢNG ĐƯỜNG FRUCTOSE, GLUCOSE, SACCHAROSE TRONG THỰC PHẨM BẰNG High Performance Liquid Chromatography – Refractive Index Detector
... Administration HDL: High density lipoprotein HFCS: High Fructose Corn Syrup HPAEC: High Performance Anion Exchange Chromatography HPLC: High Performance Liquid Chromatography HPTLC: High Performance ... become imperative for consumers The analysis of sugar used the High Performance Liquid Chromatography – Refractive Index Detector - HPLC - RI ) (Waters) system with its LiChrospher® NH2 (Merck), ... sử dụng hệ thống sắc ký lỏng hiệu cao ghép đầu dò số khúc xạ (High Performance Liquid Chromatography – Refractive Index Detector - HPLC – RI) (Waters) với cột LiChrospher® NH2 (Merck), chiết đường
Ngày tải lên: 26/05/2018, 13:34
High performance liquid chromatographic determination of some guaiphenesin-containing cough-cold preparations
... using a single highperformance liquid chromatography assay J Pharm Biomed Anal 2004;34(3):585–93 [21] Evgen’ev MI, Budnikov GK Electrochemical detection in highperformance liquid chromatography ... pharmaceuticals by liquid chromatography? ??mass spectrometry (LC–MS) [1], capillary electrophoresis (CE) [2], cyclic voltammetry [3] present there Different methods including high- performance liquid chromatography ... samples by liquid chromatography- mass spectrometry J Chromatogr A 2000;870(1–2):87–96 [28] Lee BL, Ong CN Comparative analysis of tea catechins and theaflavins by high- performance liquid chromatography
Ngày tải lên: 14/01/2020, 22:24
Study on determination of nifedipine in dog plasma by ultra performance liquid chromatography with tandem mass spectrometric detection
... pharmaco-medicine no5-2020 STUDY ON DETERMINATION OF NIFEDIPINE IN DOG PLASMA BY ULTRA PERFORMANCE LIQUID CHROMATOGRAPHY WITH TANDEM MASS SPECTROMETRIC DETECTION Tran Quang Trung1, Nguyen Thanh ... Objectives: To validate the determination method of nifedipine (NIF) in dog plasma by ultra performance liquid chromatography with tandem mass spectrometric detection (UPLC-MS/MS) Methods: The evaluation ... Journal of military pharmaco-medicine no5-2020 CONCLUSION A rapid and sensitive ultra performance liquid chromatography- tandem mass spectrometry method was developed and validated to determine
Ngày tải lên: 24/09/2020, 03:20
an integrated approach to realizing high performance liquid junction quantum dot sensitized solar cells
... Published 10 Dec 2013 DOI: 10.1038/ncomms3887 OPEN An integrated approach to realizing high- performance liquid- junction quantum dot sensitized solar cells Hunter McDaniel1, Nobuhiro Fuke2, Nikolay ... the critical importance of improved wetting through methanol addition for achieving high performance in these liquid- junction solar cells We find that in addition to improving short-circuit current, ... degree of wetting of a solid material by a liquid depends on the relative surface tensions of the three joining interfaces (that is, ggas? ?liquid, ggas–solid, gliquid–solid) As the electrolyte solvent
Ngày tải lên: 02/11/2022, 08:47