Analytical Letters, Volume 23, Issue 1 (1990)

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Analytical Letters, Volume 23, Issue 1 (1990)

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ANALYTICAL BIOCHEMISTRY AND CLINICAL ANALYSIS

Article
A New Microcalorimetric Method for the Determination of Lipase Activity and Substrate Concentration in Aqueous Medium
M. L. Antonelli, V. Carunchio & M. Luciani
Pages: 1-22
Published online: 23 Oct 2006
AbstractforA New Microcalorimetric Method for the Determination of Lipase Activity and Substrate Concentration in Aqueous Medium | References | PDF (443.9 KB)
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Article
A Sensitive Enzymatic Method of Sulfite Determination
F Cabré, M Cascante & Ei Canela
Pages: 23-30
Published online: 23 Oct 2006
AbstractforA Sensitive Enzymatic Method of Sulfite Determination | References | PDF (209 KB)
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Article
Methylated Bases as Tumor Markers: Detection and Quantitation with a Competitive Enzyme-linked Immunoassay
Cecile Reynaud & Alain Niveleau
Pages: 31-45
Published online: 23 Oct 2006
AbstractforMethylated Bases as Tumor Markers: Detection and Quantitation with a Competitive Enzyme-linked Immunoassay | References | PDF (517.1 KB)
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Article
Scanning Tunneling Microscopic Observation of Dental Structures of a Permanent Tooth
Hiroyuki Hatano, Tsutomu Fujihara, Shigeaki Kurata & Hideyuki Negishi
Pages: 47-55
Published online: 23 Oct 2006
AbstractforScanning Tunneling Microscopic Observation of Dental Structures of a Permanent Tooth | References | PDF (469.5 KB)
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Article
Fluorescence Lifetimes of Fluorescent Substances Formed in Peroxidized Microsomes of Rat Liver
Yoshiyuki Minamide, Toshiharu Horie, Fumiaki Itoh & Shoji Awazu
Pages: 57-65
Published online: 23 Oct 2006
AbstractforFluorescence Lifetimes of Fluorescent Substances Formed in Peroxidized Microsomes of Rat Liver | References | PDF (239.6 KB)
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PHARMACEUTICAL ANALYSIS

Article
A Comparative Study on Hplc and Microbiological Determination of p-Hydroxybenzoate Esters (Parabens) in Pharmaceutical Formulations
Mustafa A. Abuirjeie, Mohamed E. Abdel-hamid, Ahmed A. Abdel-aziz & El-Sebai A. Ibrahim
Pages: 67-82
Published online: 23 Oct 2006
AbstractforA Comparative Study on Hplc and Microbiological Determination of p-Hydroxybenzoate Esters (Parabens) in Pharmaceutical Formulations | References | PDF (471.5 KB)
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Article
Direct Hplc Separation and Optimization of Celiprolol Enantiomers
Hassan Y Aboul-Enein & M Rafiqul Islam
Pages: 83-91
Published online: 23 Oct 2006
AbstractforDirect Hplc Separation and Optimization of Celiprolol Enantiomers | References | PDF (261.6 KB)
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ENVIRONMENTAL ANALYSIS

Article
A New Indicator and Test Paper for the Semi-quantitative Determination of Carbaryl in Traces in Water
H. S. Rathore & S. K. Saxena
Pages: 93-118
Published online: 23 Oct 2006
AbstractforA New Indicator and Test Paper for the Semi-quantitative Determination of Carbaryl in Traces in Water | References | PDF (663.1 KB)
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SEPARATIONS

Article
Determination of BrO3− by Flow Injection Analysis with 5-Br-PADAP AND SCN−
Chen Xingguo, Zhou Xingwei, Hu Zhide & Kou Zongyan
Pages: 119-124
Published online: 23 Oct 2006
AbstractforDetermination of BrO3− by Flow Injection Analysis with 5-Br-PADAP AND SCN− | References | PDF (159.6 KB)
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Article
Reversed Phase Thin Layer Chromatographic Separations of Some Elements of the First Transition Series Using High Molecular Weight Amines
K. S. Panesar, O. V. Singh & S. N. Tandon
Pages: 125-133
Published online: 23 Oct 2006
AbstractforReversed Phase Thin Layer Chromatographic Separations of Some Elements of the First Transition Series Using High Molecular Weight Amines | References | PDF (205.8 KB)
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Article
Simple Hexagonal-Pulsed-Field Gel Electrophoresis System
Akihiko Yamagishi & Tairo Oshima
Pages: 135-138
Published online: 23 Oct 2006
AbstractforSimple Hexagonal-Pulsed-Field Gel Electrophoresis System | References | PDF (131.1 KB)
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SPECTROMETRY

Article
The Use of Triton-X for the Enhancement of the Fluorescence of Zn-Salicylcarbohydrazone Chelate and its Application to Zinc Determination at Ultratrace (Part Per Trillion) Level
A. García de Torres, A. K. Chakrabarti, M. E. Ureña Pozo & J. M. Cano Pavón
Pages: 139-146
Published online: 23 Oct 2006
AbstractforThe Use of Triton-X for the Enhancement of the Fluorescence of Zn-Salicylcarbohydrazone Chelate and its Application to Zinc Determination at Ultratrace (Part Per Trillion) Level | References | PDF (245.9 KB)
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Article
Chemical Separation and D. C. ARC-Atomic Emission Spectrometric and Inductively Coupled Argon Plasma Atomic Emission Spectrometric Methods for Trace Characterisation of High Purity Thorium Oxide
T. R. Bangia, V. C. Adya, B. A. Dhawale, B. Rajeswari, M. D. Sastry & P. R. Natarajan
Pages: 147-158
Published online: 23 Oct 2006
AbstractforChemical Separation and D. C. ARC-Atomic Emission Spectrometric and Inductively Coupled Argon Plasma Atomic Emission Spectrometric Methods for Trace Characterisation of High Purity Thorium Oxide | References | PDF (321 KB)
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ELECTROCHEMISTRY

Article
Preparation and Potentiometric Determination of Quaternary N-Methiodides of Phenothiazine Derivatives
H. Hopkała
Pages: 159-167
Published online: 23 Oct 2006
AbstractforPreparation and Potentiometric Determination of Quaternary N-Methiodides of Phenothiazine Derivatives | References | PDF (287.1 KB)
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Editorials

Editorial
Editorial board page for “Analytical Letters”, Volume 23, Number 1
Pages: a-c
Published online: 23 Oct 2006
AbstractforEditorial board page for “Analytical Letters”, Volume 23, Number 1 | PDF (89.6 KB)
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