HPLC

Temperature was an important factor to HPLC, but it has not been well studied.

The retention time of a peak in the HPLC of the sample corresponded to that of ferulic acid.

Results There was an apparent difference in fingerprint between Amomum villosum and its adulterants.

The results showed HPLC fingerprint could be used for identifying the origin of these two species.

Method: HPLC was used to analyze the content of Magnolol and Honokiol in different parts of Magnolia from Zhangjiajie, Longhui, Enshi.

Conclusion The microcolumn centrifuge-HPLC method can be used for the determination of entrapment efficiency of lomustine liposomes.

The entrapment efficiency of azithromycin liposome was determined by reverse dialysis method with HPLC for analyzing the amount of it.

The chromatographic columns, mobile phases as well as detecting devices and sampling devices used in HPLC for this purpose were described.

METHODS: HPLC method was used to determine aristolochic acid A content content in different parts of Herba Asari.

The HPLC method can be preferably used for residue measure of roxarsone in soils .

METHOD Pazufloxacin injection was determined by RP-HPLC, its expiry date was predicted by an initial average rate method.

Methods: HPLC method and spectrophotometry were used to determine the content of steroidal components.

The separation of the trialkylated compounds 3 and 4 from by-products was more challenging and was finally accomplished by HPLC.

High performance liquid chromatography (HPLC) was used to determine the percentage active ingredient in the new herbicide, rimsulfuron.

HPLC method for the determination of glibenclamide and its content uniformity in compound metformin hydrochloride tablets was presented.

OBJECTIVE: A stereoselective high performance liquid chromatography(HPLC) was established to determine warfarin enantiomers in human plasma.

The aim of this study is to establish a method to determine hydrolyzed collagen proteins adulterated in milk by HPLC.

The purpose of this paper is to evaluate a system suitability method and HPLC operating conditions by three pharmaceutical analysis studies.

Method: Character identification, TLC and HPLC were used to determine the content of gallic acid from them.

Conclusion: This RP-HPLC method is selective, accurate and suitable for the determination of rupatadine fumarate and its related substances.

The RP-HPLC was used for the determination of matrine concentration in rat tissue.

METHODS The terbinafine hydrochloride gel was prepared with carbopol-940 as base material. The content was measured by an HPLC method.

Methods Puerarin was determined by HPLC from different growth years of Pueraria lobata.

In this study, it was also set up the HPLC method to measure the residues of OTC in lettuce, celery and pakchoi cabbage.

METHODS: A HPLC assay was used to determine the icariin concentrations in biological samples.

For that reason, chromatographic parameters of MG and LMG were determined on three different HPLC columns.

The analytical method used for the determination of vanilla was HPLC, and data processing was carried out using DPS software.

This is a completely different approach using HPLC to measure such compounds in the plasma of every patient.

High performance liquid chromatography (HPLC) is an effective method for the determination of carbohydrates in food at present time.

METHODS The HPLC assay was used to determine the nicotinylsalicylic acid concentrations in biological samples.

OBJECTIVE To establish an HPLC method for the determination of homoharringtonine injection and its related substance by HPLC.

METHODS HPLC method with xenol as the internal standard was established to determine the content of KTP in receiver diffusion cell.

Conclusion The HPLC finger-print chromatogram can be used to control the quality of decoction of Schisandra chinensis.

Methods: To explore the influences of the different extraction, concentration and drying method on the transferring rate of TMP by HPLC.

Objective To develop a RP-HPLC method for the isolation and determination of clomiphene citrate on ODS Columns and its related substances.

Objective: Naphazoline hydrochloride and chlorpheniramine maleate were determined by HPLC in compound naphazoline hydrochloride sprays.

An HPLC method was established for the determination of dihydroergotoxine mesylate in dihydroergotoxine mesylate sustained release tablets.

OBJECTIVE To establish a HPLC method for determining the content of tetrahydrozoline hydrochloride and its related substances in eye drops.

Visit wins xing station visitors, along the railway go, can be abandoned come to be located in the village of HPLC.

The changes of organic acid contents in two wampee cultivars during fruits ripening and low temperature storage were investigated by HPLC.

Conclusion: The different drying methods on mango by HPLC little effect on storage time in two years glycosides mango modest decline.

The result showed that HPLC analysis was a simple and effective method for determining domoic acid in water and aquatic animals.

This method proves to be applicable to the uncertainty evaluation of HPLC determination of melamine in milk powder.

Unlike high performance liquid chromatography (HPLC) these is no (high pressure) pumped mobile phase.

Objective: To RP-HPLC determination of white Fuzi take advantage of the processing of fresh-crystal samples of calcium oxalate content.

The HPLC method established in this study was applied to measure BPDE-DNA adducts, and found it was simple, time-saving and low-cost.

METHODS: A HPLC was used to determine the serum naproxen concentrations after 8 adult male volunteers were given the drugs.

Objective: To establish an RP-HPLC method for the determination of rupatadine fumarate and its related substances.

OBJECTIVE To determine prazosin hydrochloride in human plasma by HPLC-MS method, and to investigate its pharmacokinetics and bioequivalence.

FTIR, DSC, HPLC and NMR were used to characterized the structure and purity of diamine monomer synthesized in this paper.

Methods Using high performance liquid chromatography(HPLC)-evaporative light scattering Detector assay for content determination.

Methods: HPLC was used to determine the content of the gardenoside of fructus Gardeniae.

Objective: To determine the content of daunorubicin hydrochloride in its liposomes by HPLC.

Results: There exists obvious difference between HPLC fingerprint chromatogram and extract of different crush size of the same TCM.

High performance Liquid Chromatography(HPLC) was used to determined the tartrazine in the millet.

abstract: Objective: A sensitive HPLC method was developed for the rapid determination of chlorpromazine hydrochloride residue in pig liver.

METHODS: The content of DSP in eye drops was determined by HPLC and its validity duration was predicated using initial average rate method.

High performance Liquid Chromatography (HPLC) was used to evaluate the tartrazine in the millet.

be further oxidized by ozone, resulting in an extra-low concentration beyond the detection limit of HPLC.

Conclusion: To compare HPLC chromatograms is an important quality controls means in San Huang Tablets manufacture course.

OBJECTIVE To establish a HPLC method for the determination of related substances of zopiclone and its tablets.

METHODS: HPLC was used to analyze the extracts of ultramicro decoction piece of Radix paeoniae Alba from 10 different sources.

The concentrations of all aromatic and aliphatic intermediates were determined by means of HPLC.

The HPLC analysis of fermentation products showed that the ability of synthesising avermectins was decreased significantly.

OBJECTIVE: To develop a method for the determination of eperisone hydrochloride by high performance liquid chromatography(HPLC).

The Astragaloside were extracted by organic solvent, HPLC assay was applied as the quantitative analysis to determine its content.

Objective: To establish a HPLC method for determination of chlorhexidine acetate and clotrimazole in compound chlorhexidine acetate lotions.

METHOD: HPLC was used to determine and to analyse the peak change of single and co-decoction.

HPLC method was used to determine aurantiamarin in orange peel.

A method of high performance liquid chromatography (HPLC) was dev- eloped to determine benzimidazoles residues(ALB? THI and OXF) in beef.

A method to finely separate saturated hydrocarbon and aromatic hydrocarbon by high performance liquid chromatography (HPLC) was introduced.

In qualitative and quantitative analysis of diosgenin extracted through stepwise biocatalysis, IR spectrum and HPLC chromatogram were used.

Contents of the isoflavones ( genistein and daidzein) in SSP by pure breed fermentation and natural fermentation were collated by HPLC.

Gmelini. Methods: The method of HPLC was used for analyzing the content of rhein and resveratrol.

Methods Chromones of a garwood were elicited by tissue culture and the inducer contents were determined by HPLC.

CONCLUSION Preparation procedure is convenience and reliable. The HPLC and TLC assay are sensitive, accurate and no-interference.

Objective: To establish a simple method of detecting phenobarbital and carbamazepine in serum by external reference method of RP-HPLC.

Meth- od: HPLC was used to determine osthol in Fructus Cnidii processed with different methods.

Objective: To establish the fingerprint of the hydrophilic constituents of Valeriana medicinal plants.

Conclusions HPLC is simple, accurate and suitable for the determination of related substances in mannitol and mannitol injection.

An isocratic reversed-phase HPLC method for the simultaneous determination of carotenoids and chlorophylls in algae is presented.

OBJECTIVE To establish a HPLC method for the determination of elimination ratio of hydroxyl radicals by Traditional Chinese Medicine.

Objective To establish a HPLC method to measure thioguanine nucleotides concentration in children with acute lymphoblastic leukemia.

Compounds were identified and quantified by reverse-phase high-pressure liquid chromatography (RP-HPLC) with fluorescence detection.

Simultaneous determination of imidacloprid and its intermediate by HPLC .

A method for the determination of bromhexine hydrochloride and its tablets by HPLC was establish.

objective: To set up a method for determination trigonelline in pumpkin powder by HPLC.

Reversed-phase high performance liquid chromatography (RP-HPLC) was applied to assay the cellular ATP content.

The determining system using HPLC and extraction was established to monitor the transformation rate to obtain the optimum synthetic process.

In this article, we use two methods to determine the content of Aspirin. The two methods are UV spectrophotometry and HPLC.

In this article, we use two methods to determine the content of Aspirin. The two methods are UV spectrophotometry and HPLC.

Method ; UV as well as HPLC was used on this study as im-purity control method for these two injections.

HPLC method with chiral mobile phase additive was established for the determination of isomers of benazepril hydrochloride.

Ion exchange HPLC is an alternative that yields milligram quantities of purified plasmid DNA within an hour.

HPLC method was established for determination of bilirubin in compound paracetamol and amantadine hydrochloride tablets.

The HPLC fingerprints can be used in the quality control of ginkgo leaf extract and dipyridamole injection.

Objective: An HPLC method for the testing of the related substances in aztreonam for injection was established.

Method: Use Carbomer as a base to prepare Ornidazole gel and use HPLC to determine its content.

With spectrophotometry and HPLC to determine effective components content in each extract.

OBJECTIVE: The bioassay and HPLC methods were established and compared for the determination of levofloxacin(Lev) in human plasma.

Method: determine the Content of Cefotaxime sodium by spectrophotometry. Methods than HPLC this method shows a good precision accuracy.

Purpose: To establish a simple and rapid method for the Determination of baicalein in yin huang drop pills by HPLC.

An RP-HPLC method for the determination of related substances and decomposition products in voriconazole was established.

Objective: A HPLC method was developed to determine the related substances of Famotidine Injection.

Results: The changes of chromatography and determination with different solvents for rifampicin and ciprofloxacin in HPLC were large.

Biological samples were analyzed by high performance liquid chromatography coupled to ultraviolet detection (HPLC-UV).

The separative product was confirmed as five pure anthraquinone of Chinese rhubarb by High Performance Liquid Chromatography (HPLC).

The vision of HPLC is to become the leading supplier of newsprint in the metropolitan Beijing area and our customers' supplier of choice.

OBJECTIVE To establish a rapid and accurate method for determining berberine and trimethoprim in berberine and trimethoprim capsule by HPLC.

Objective: To establish a method for the content determination of serum concentrations in several anti-epileptic drugs.

The quantitative determination of inosine and inosinic acid was conducted by High Performance Liquid Chromatography(HPLC).

Furthermore, the cross linked products can be separated by HPLC from the crosslink precursors and the unreacted TME.

OBJECTIVE To establish a RP-HPLC method for content and entrapment efficiency determination of bryostatins freeze-drying liposomes.

OBJECTIVE To evaluate the uncertainty of measurement for determination of ibuprofen in Ibuprofen Sustained Release Capsule by HPLC.

The HPLC fingerprint also reflected distinctive characteristic of the different parts.

Objective To establish a HPLC method for the determination of sodium cromoglicate and chlorphenamine maleate in eye drops.

Objective: An analytic method with SPE-HPLC was developed to determine residue of diphenylamine in water.

The test adopted HPLC to separate; ELSD to detect and external tap to fix quantity to determine the content of lactulose.

HPLC method for the determination of atropine sulfate in compound diphenoxylate tablets was established.

Objective To establish HPLC fingerprint for the identification of Amomum villosum and its adulterants.

A method for the determination of hyaluronic acid in shark fin by high performance liquid chromatography (HPLC) is described.

After its identification, aniline was quantified by reversed phase high pressure liquid chromatography (HPLC).

Aim A method was established for the determination of chloroquine phosphate in compound hypotensor capsules by RP-ion-pair-HPLC.

abstract: Objective To establish a method for the content determination of tetrahydropalmatine by HPLC.

abstract: Objective To establish a method using HPLC with post-column derivatization for detecting tobramycin sulfate drops.

METHOD An HPLC method was developed to determine the salicylic acid, a product after hydrolysis of aspirin.

The plasma concentrations were determined by high performance liquid chromatography (HPLC) .

METHODS An HPLC method was establish to develop fingerprints chromatogram of Ethanol extraction of Japanese Chuanxiong.

A simple and accurate HPLC method for the determination of caffeine in dark green tea was developed.

OBJECTIVE: To establish a HPLC method for the determination of hydroquinone in compound hydroquinone cream.

Objective To establish a HPLC method for the related substances determination of ceftazidime for injection.

OBJECTIVE To establish a HPLC method for determining the content and related substance of fasudil maleate in fasudil maleate injection.

Ultrafiltratio-HPLC method is adopted to determine the encapsulation efficiency of oxymatrine liposome.

With HPLC , we make a comparison of the chemical stability between SO3 powder and Salt preparation at different temperature.

Using crystallization method and preparation-HPLC preparation atropine, the method is simple, economic and the refined products is pure.

Objective: To establish a method for HPLC fingerprint determination of the triterpene acids in Poria cocos.

HPLC method for simultaneous determination of clindamycin and spironolactone in compound clindamycincream was established.

Objective: To establish an HPLC method for determining related substance in Decloxizine Hydrochloride.

Methods The method of determining dexamethasone sodium phosphate and ephedrine hydrochloride by HPLC and acid-base titration was used.

A review of the application of high performance liquid chromatography(HPLC) to inorganic analysis is presented.

Objective: To establish a RP-HPLC method for determination of chlorobenzylidine content and its related compounds.

HPLC method for determination of aspartic acid in potassium magnesium aspartate and glucose injection was presented.

abstract: Objective: Through the assessment of uncertainty in measurement of Aloin in health food by HPLC.

OBJECTIVE To establish a method for determination of acyclovir and metronidazole in compound acyclovir ointment by HPLC.

To extract and purify type I collagen from pigskin, initial extraction and chromatography on semi -preparative HPLC were tested.

A method was developed for the detection of cholesterol, lecithin, and bile salts in model bile by HPLC simultaneously.

OBJECTIVE To establish an ion-pairs HPLC method for the assay of ampicillin sodium and cloxacillin sodium in injection.

Objective To develop a high performance liquid chromatography (HPLC) method for the determination of nicotine in tobacco.

High efficiency liquid chromatography(HPLC) was employed to detect the content of NTS and DNS during cooling and oxidation courses.

To determine the HPLC fingerprint of the ultramicro rhizoma Gastrodiae and to test its potent constituents and content.

Taking baicalein and wogonin as determining target, the thesis established HPLC method to monitor the plasma level in vivo in dogs and rats.

The determination of the quercetin in Syringa oblata Lindl leaves were performed by high performance liquid chromatography (HPLC).

METHODS A HPLC-UV method was established for determining the concentrations of pseudoephedrine and ephedrine in plasma.

The residue of famoxadone in citrus was studied by acetonitrile extraction, gel column purification, and HPLC-UV detection.

All chemicals used were high performance liquid chromatography (HPLC) grade and purchased from VWR Co. (West Chester , PA).

Method: Papers on the assay of the active compounds of Chinese herbal medicine by HPLC-ELSD method were collected.

HPLC was used to determine the content of icariin.

In this paper, the benzylpenicillin content in procaine benzylpenicillin injection was determined by HPLC.

Further HPLC-MS analysis proved ( )-Catechin, (-)-Epicatechin, and two dimmers existing in the extraction.

abstract: Objective To determine the contents of cefetamet pivoxil hydrochloride granules by HPLC method.

part of any HPLC assay. In order to identify any compound by HPLC a detector must first BE selected.

Objective: To develop a method to determine the content of gentiopicrin in Weining powder by HPLC.

METHODS A HPLC method was established to determine the concentration of MTX in plasma and tissues.

OBJECTIVE To establish an HPLC method for the assay of zoledronic acid and the determination of its related substances.

OBJECTIVE To establish the HPLC fingerprint analysis for the quality evaluation of Ginkgo laminae.

OBJECTIVE To establish the HPLC-fingerprint analysis for the quality control of Angelica sinensis.

HPLC-mass spectroscopy assay was utilized to quantify the anthocyanin levels in human oral tissue explants, saliva, and blood.

Methods: HPLC was applied to determine the content of chrysophanol in praeparatum.

Methods: Referring to the content of naringin , we study the optimum extraction by orthogonal design and the content of naringin by HPLC.

A method for the determination of imidacloprid residue in exported vegetables was established by HPLC.

Objective: A HPLC method was established for determination of Sulfamethoxazole compound.

Also by TLC and HPLC chromatographic analysis showed that Schisandra chinensis contains Schisandrin. South schisandra without the substance.

A simple and accurate HPLC method was developed for the determination of Fancy Red in food.

Objective: To determine the related compounds in Compound Ammonium Glycyrrhetate Injection by HPLC.

Since 1980, Application of HPLC to determination of soil and Biological samples etc and its achievement were described.

A high performance liquid chromatography(HPLC) method was developed for determination of synthetic colorants in high-fat foodstuff.

Volatile organic compounds emission from furniture plates were determined by small-scale chamber and analyzed by HPLC and GC.

The collected fraction was purified by preparative HPLC. Results The purity of the product quantitated by normality was over 98%.

RSLC is ideal for ultrafast high resolution LC, as well as conventional HPLC applications.

0bject: To establish an RP-HPLC method for the determination of naphazoline hydrochloride and chlorpheniramine maleate in cold nasal spray.

METHODS: The dissolution rates of Radix Notoginseng total Saponin Dispersible tablets and Xueshuantong preparation were determined by HPLC.

Using salvianolic acid K as index ingredient and through high performance liquid chromatography(HPLC) made quantitative determination.

Objective To determine the content change of resveratrol and piceid in fresh Polygonum cuspidatum during storage by HPLC.

Nizatidine; in situ intestinal perfusion; HPLC; absorption mechanism.

Objective To develop a HPLC method for determination of dispersible valaciclovir chloride tablets.

Objective To analyze the uncertainty involved in HPLC method for the determination baicalein in Shuanghuanglian oral solution.

ConclusionHPLC fingerprint method is repeatable and feasible and can be suitable for identifying Amomum villosum and its adulterants.

The reaction products were determined by high performance liquid chromatography (HPLC).

A new analytical approach using HPLC-MS was developed for the determination of chloramphenicol residue in meat.

A reversed-phase HPLC method for the determination of dichlorvos and malathion in the meantime was described.

Objective: A method for determination liposoluble vitamin in angiocarpous. tea-seed oil by HPLC is established.

METHODS The PF content was detected by HPLC and FTIR spectra was analyzed with Fourier transform infrared spectrometer.

Comply with the regulations, training time, system uptime, the variability of resultsdata management is the majority HPLC user concerns.

The plasma concentrations of propofol were measured by HP1100 high performance liquid chromatograph(HPLC) with ultraviolet detector.

Objective To establish a HPLC method determine the content of racecadotril in racecadotril dry suspension.

A HPLC method with fluorescence detection for determination of citalopram in human plasma was established.

abstract: Objective To establish a method for the determination of levofloxacin impurity A(RS) by HPLC.

The HPLC qualitative analysis indicated that there were three or four proteins in the output.

OBJECTIVE To establish a HPLC method for the determination of content and related substances in difenidol hydrochloride tablets.

Objective: To develop a method with HPLC to simultaneously determine adenosine and cordycepin in health foods.

In the forth chapter, the quality control of Chlorhexidine Hydrochloride in the production process was studied by HPLC.

Pseudoephedrine and licoflavone might play synergetic effect in antiasthmatic mechanism by the analysis of HPLC.

OBJECTIVE: To establish a RP-HPLC method for the determination of imperatorin in Qingwen jedi tablets(heat-clearing and detoxifying agent).

Objective To set up a method of extraction and analysis of paeonol from Erlong Zuoci pills with off-line supercritical fluid and by HPLC.

Celiprolol enantiomer was resolved directly by using normal phase HPLC with urea derivative as chiral stationary phase (CSP).

The concentrations of paeoniflorin and gentiopicrin in this preparation were determined by HPLC.

HPLC-ELSD method was established for the determination of oxymatrine in matrine capsules.

Methods The content of baicalin was determined by HPLC and the quality of baicalin was investigated with rabbit pyrogen test method.

OBJECTIVE: To establish an HPLC method to determine the content of Stilbene glycoside in Tiaojingbaidai pill.

HPLC - High performance liquid chromatography ?

Methods: The mobile phase consisted of acetonitrile and water was used as gradient elution for separation with HPLC.

Therefore, it is highly significant to develop high sensitivity fluorescent regents to meet the actual needs of HPLC.

A kind of a novel diode array detector for high performance liquid chromatograph (HPLC) was introduced.

HPLC method is established for the determination of cyclosporine capsules.

The high performance liquid chromatography-electrochemical detection (HPLC-ECD) is used in analysis of multi component samples widely.

The determination condition for HPLC was optimized and applied for practical water sample analysis.

Objective: To establish a determination for Chlorphenamine Maleate in Kangle Biyan tablets by HPLC.

Aim To establish a method for the determination of free salicylic acid in compound aspirin tablets by HPLC.

During the removal process, obvious changes of solid content and HPLC profiles were not observed.

Select a different simulation conditions using extracted samples, and determined by HPLC.

Objective Setting up HPLC finger-print chromatogram of decoction of Schisandra chinensis.

Objective To establish a method for the determination of aceglutamide for injection by HPLC.

Objective To establish a method for determination of Ephedrine hydrochloride in Maxing Cough Syrup by HPLC.

Foodstuffs - Determination of ochratoxin A in barley and roasted coffee - HPLC method with clean-up on a immunoaffinity column.

Objective To establish a RP-HPLC method for determination of the content of 2-phenoxyethanol in inactivated hepatitis A vaccine.

OBJECTIVE: To establish an HPLC method for the assaying of ephedrine hydrochloride in Xiaoerhuatanzhike tablet.

The results of HPLC showed that pharmacological effect of prodigiosin dependent on drug concentration in cells.

Objective To establish an HPLC method for determination of stachyose contents in Rehmannia Glutinosa Oligosaccharides(ROS).

and extracting the test solution, injecting into the HPLC to obtain the HPLC fingerprint spectrum of Radix Glycyrrhizae.

OBJECTIVE To establish a highperformance liquid chromatography (HPLC) method for the determination of scopoletin in Tengluoning capsules.

The invention discloses a high-efficiency HPLC analysis method of oryzanol, belonging to the analytical chemistry field.

A chiral HPLC method is used for quantitative determination of the enantiomer of CHENICAL-X.

Objective: To develop HPLC-MS method for detecting catalytic reaction products of alliin by alliinase.

abstract: Objective: To establish an RP-HPLC method for inspect the Dissolution of Rifampicin capsule.

HPLC used to determine the content of aspirin in Jinling Ganmao Capsules was set up.

A method for the determination of spinosyns and its metabolites in cotton plant by HPLC was studied.

Objective: To clarify the correlation between the peak areas in HPLC and pharmacological effect of Xiebai powder.

Objective : To establish a HPLC methods for determination of the content of chrysophanol in Shenyankang Tablets.

The application of HPLC-NMR in drug metabolism, natural products analysis and food analysis were reviewed.

The culture broths picked out as candidate were further isolated by using silica gel and preparative ODS HPLC to give compounds.

A method of determining trace benzene in drinks by high performance liquid chromatography(HPLC) was developed.

The application of HPLC and its UV, MS detector technique sin foods was reviewed.

This work dealt with the feasibility of using the method HPLC to determine the element sulfur in lake sediments.

Method: The change of active compounds was observed by detecting the amount of danshensu and protocatechualdehyde with HPLC.

In this review, the various modifications of zirconia packings, their application in HPLC separations are outlined.

Objective: To establish a reversed-phase HPLC assay for determination the contents of omeprazole and metronidazole in Qingwei capsules.

HPLC method was established for the determination of tiotropium bromide.

RESULTS The HPLC fingerprint of the Fructus Tribulus terrestris L. was established preliminarily.

OBJECTIVE To establish a RP-HPLC method for determination of the content of baicalin inYinchentuihuang mixture.

Master UV-Vis and HPLC analytical method, and can correctly operate and maintain related instruments.