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Stamp-pad ink seals are often placed on important documents, and determining the dating of stamp-pad ink seal is important to assess the authenticity of a document. In this study, 20 different brands and types of stamp-pad inks were classified by ultraviolet visible spectrophotometer. Six different brands and types of papers were classified by micro-Fourier transform infrared spectrometer and visual spectral comparator 6000. Three different brands of stamp-pad inks and two different types of paper were used to make diachronic samples of the seals. A method was employed to date the stamp-pad seals by comparing absorbance ratios and inks of known age. Curves were created to show the relationship between the absorbance ratio of ink and the age of the seals. The experimental results showed that the absorbance ratio method was applicable for the relative dating of stamp-pad ink seals in some cases where the seal was placed on the document within 10 weeks.
This article was published in the following journal.
Name: Journal of forensic sciences
A stressed study on the stability and degradation behavior under ICH forced degradation conditions of most widely used antiepileptic drug; carbamazepine (CMZ) is presented in this work. The research a...
Oral pharmaceutical preparation containing pseudoephedrine hydrochloride (PSE) and ibuprofen (IBU) is widely prescribed as over- the- counter (OTC) for treatment of common cold-sinus. Development of f...
The emergence of multiresistant bacteria directly impacts on the search for new compounds with antimicrobial activity, and it is important the improvemed of new techniques are able to determine the mi...
For the modeling of near infrared spectroscopy (NIRS), the accuracy of the basic data, the stability of the spectra and the optimality of variables selection method were the important factors. In this...
We demonstrate a soft-imprint nanofabrication technique offering nanometer resolution over an area as large as a 150-mm diameter wafer. It makes use of a composite imprint stamp composed of a quaterna...
This research study is developing and evaluating a new pain management app for cancer patients (STAMP).
Playground injuries are common at childcare centers. Adequate adult supervision is an important component to reducing playground injuries in preschool children. The investigators studied t...
The purpose of this study is to determine whether DC-STAMP, a protein on the surface of osteoclast precursors (OCPs), can be used as a biologic marker in Psoriatic Arthritis (PsA). With th...
At this time, we do not know what causes a child to become more nearsighted (myopic). STAMP will help us better understand nearsightedness in children. Children will be randomly chosen to ...
The study intends to provide important data on whether the noval method using quantitative flow ratio could assess microcirculation.
The ratio of two odds. The exposure-odds ratio for case control data is the ratio of the odds in favor of exposure among cases to the odds in favor of exposure among noncases. The disease-odds ratio for a cohort or cross section is the ratio of the odds in favor of disease among the exposed to the odds in favor of disease among the unexposed. The prevalence-odds ratio refers to an odds ratio derived cross-sectionally from studies of prevalent cases.
Works consisting of studies determining the effectiveness or utility of processes, personnel, and equipment.
Studies determining the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. For drugs and devices, CLINICAL TRIALS AS TOPIC; DRUG EVALUATION; and DRUG EVALUATION, PRECLINICAL are available.
Works consisting of studies using a quantitative method of combining the results of independent studies (usually drawn from the published literature) and synthesizing summaries and conclusions which may be used to evaluate therapeutic effectiveness, plan new studies, etc. It is often an overview of clinical trials. It is usually called a meta-analysis by the author or sponsoring body and should be differentiated from reviews of literature.
A quantitative method of combining the results of independent studies (usually drawn from the published literature) and synthesizing summaries and conclusions which may be used to evaluate therapeutic effectiveness, plan new studies, etc., with application chiefly in the areas of research and medicine.