Clinical Trials About "analytical instruments thermal analysis fluorescence spectroscopy calorimeters atomic" RSS

22:48 EST 19th November 2019 | BioPortfolio

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Showing "analytical instruments thermal analysis fluorescence spectroscopy calorimeters atomic" Clinical Trials 1–25 of 10,000+

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Measurement of Digital Colposcopy for Fluorescence Spectroscopy of Cervical Intraepithelial Neoplasia

The overall objective of this study is to identify potential improvements for a noninvasive method of diagnosing dysplasia and neoplasia in the cervix using digital colposcopy for colposcopy for fluorescence spectroscopy. Other Objectives: - To measure digital fluorescence and reflectance images in vivo of sites in the human cervix. - To evaluate the effect of acetic acid in the image contrast obtained. - Compare the device performance to colposcop...

Fluorescence Spectroscopy Guided Surgery

Intraoperative surgical fluorescence microscopy is a useful technique for the surgical resection of glioma. However the accuracy of this method is limited by its too low sensitivity. Fluorescence spectroscopy has the potential capacity to overcome the current limitations of conventional fluorescence guided surgery by increasing the sensitivity: in a pilot study on brain tumor biopsies, fluorescence spectroscopy was shown to measure two-peaked 5-ALA-induced protoporphyrin IX (P...

Laser Spectroscopy in Diagnosing Breast Cancer in Women With Breast Lesions

RATIONALE: Diagnostic procedures, such as laser spectroscopy, may help find and diagnose breast cancer. PURPOSE: This phase I trial is studying laser spectroscopy to see how well it works in diagnosing breast cancer in women with breast lesions.

Atomic Magnetometer for Fetal Biomagnetism

The goal of this study is the evaluation of an atomic magnetometer that is practical for human biomagnetism studies. We have built a device that has the necessary sensitivity, and will be testing it on a small number of adults and approximately 30 healthy pregnant subjects, in preparation for beginning pre-clinical studies of high-risk pregnancies.

Fluorescence & Reflectance Imaging to Detect Oral Neoplasia

The goal of this clinical research study is to evaluate fluorescence imaging, widefield fluorescence imaging, point spectroscopy imaging methods, and or/ oral brush cytology that may help doctors monitor patients at an increased risk of developing an oral cancer, including those with pre-cancerous lesions in the mouth.


Fluorescence and Reflectance Spectroscopy During Colposcopy in Detecting Cervical Intraepithelial Neoplasia and Dysplasia in Healthy Participants With a History of Normal Pap Smears

RATIONALE: New diagnostic procedures such as fluorescence and reflectance spectroscopy (shining light on tissue and measuring patterns of light reflected) may improve the ability to noninvasively detect cervical intraepithelial neoplasia and dysplasia. PURPOSE: This diagnostic trial is studying how well fluorescence and reflectance spectroscopy during colposcopy work in detecting cervical intraepithelial neoplasia and dysplasia in healthy participants with a history of normal ...

The Investigation of a Fluorescence/Elastic Scattering Spectroscopy (F-ESS) Device for Oral Tissue Characterization

The overall objective of this work is to identify changes in the optical properties of oral tissues to develop a non-invasive tool for the detection, diagnosis and screening of oral pathology so that treatment can be provided at the earliest possible time.

An Exploratory Study on Optical Assessment of Oral Mucositis

Objectives: 1. To assess the tolerability of performing optical coherence tomography and/or optical spectroscopy in patients with acute oral mucositis. 2. To determine the feasibility of obtaining optical coherence tomography images and/or fluorescence excitation emission matrices from normal and affected sites in patients with acute oral mucositis. 3. To compare optical data obtained with optical coherence tomography and/or spectroscopy ...

Diagnostic Aids for Detection and Diagnosis of Oral Cancer

The goal of this clinical study is to find out if certain instruments/devices, such as wide field fluorescence imaging point spectroscopy and/or brush cytology, can help health care providers find mouth cancer more quickly than a standard oral clinical exam.

Spectroscopic Evaluation of Cervical Neoplasia

The overall objective of this study is to evaluate whether fluorescence and reflectance spectroscopy can improve the ability to detect the presence of premalignant lesions on the cervix. The specific aims of the study are: - To compare information obtained from fluorescence and reflectance spectroscopic measurements of the cervix with standard methods for detecting cervical pre-cancers. - To validate previously developed algorithms for discriminating between...

Multimodal Spectroscopy (MMS) for in Vivo Noninvasive Assessment of Skin

The goal of this research program is to develop a simple, noninvasive diagnostic device for assessing skin pathology without the need for a biopsy. The device being studied is a single system capable of collecting three spectroscopy measurements (Raman, diffuse reflectance and laser induced fluorescence spectroscopy) from skin lesion sites. In order to accomplish this objective, we propose to: 1) develop biophysical model for Raman spectroscopy of skin cancers, 2) conduct a cli...

Collecting Samples From Patients With Primary Systemic Amyloidosis

RATIONALE: Collecting and storing samples of blood, urine, and tissue from patients with primary systemic amyloidosis to test in the laboratory may help the study of this disease in the future. PURPOSE: This research study is collecting samples from patients with primary systemic amyloidosis.

Thermal Imaging in Old and Frail in the Community

This study aims to test whether infrared thermal imaging using a non-touch, non-ionising, thermal camera system is feasible and reliable as an independent technique for thermal comfort assessment in older people and frail older people living in a care home and with or without mild cognitive impairment.

Spectroscopy Versus Standard Care in Cervical Cancer Patients

Primary Objectives: - To conduct a randomized clinical trial of the emerging technology fluorescence and reflectance spectroscopy, comparing colposcopy to colposcopy + spectroscopy in the diagnostic setting, stratifying patients by outside Papanicolaou (Pap) smear of low grade and high grade squamous intraepithelial lesions, and to use multispectral digital colposcopy retrospectively. The number of clinically read referral Paps, clinically read MD...

Clinical Assessment of Caries and Dental Plaque Based on Auto-fluorescence Imaging System

The purpose of this study was to evaluate the applicability of auto-fluorescence imaging system to detect and quantify caries and dental plaque. Participants were advised to rinse their mouth with distilled water to exclude any chance of fluorescence from food debris. A well trained physicist majored in optical spectroscopy captured auto-fluorescence images of buccal aspects of two maxillary central incisors and occlusal aspects of four first molars from each patient in a dark ...

Transient Thermal Behavior and Diabetic Foot

In our study, the investigators propose to analyze the transient thermal responses taken at the level of the sole of the foot, following the application of a cold stimulus. By combining a spatio-temporal analysis of these temperature fields and a thermal modeling of the heat transfer in the thickness of the foot, the investigators want to highlight differences between healthy feet vs. pathological feet. Therefore, the investigators will determine the transient thermal responses...

Non-invasive Glucose Measurement Using Laser Technology

This study is to evaluate the capability of Raman spectroscopy as a non-invasive method for monitoring concentrations of glucose by illuminating a small spot on the skin, collecting and analyzing the return light. The glucose measurements obtained by Raman Spectroscopy are correlated with those obtained using YSI glucose analyzer and ACCUCHECK instruments.

Photoactive Porphyrins (PAP) Levels After Topical Visonac Application in Acne Patients

Open, prospective, randomized, single-centre study in patients with moderate to severe facial acne vulgaris. Three circular areas with a diameter of 4 cm, each circle including at least 4 inflammatory lesions, will be selected in acne-affected areas in the face. One area should be identified on each cheek and one area should be identified on the forehead. The minimum distance between the three areas should be at least 4 cm. For each patient the three areas will be randomized to...

Tissue Analysis After Thermal Ablation for Colon Cancer Liver Metastases Leading to Immediate Retreatment

This study will see whether collecting and analyzing needle biopsy samples from colon cancer liver metastases (CLM) after a thermal ablation procedure will be able to identify cancer cells that are still alive. The results of these biopsies could help determine the next treatment for your cancer, but the biopsies could cause side effects.

Fluorescence QRH-882260 Peptide Imaging in the Bile Duct

Patients undergoing ERCP procedure with biliary stricture will have epithelial mucosa labeled with QRH-882260 fluorescence peptide that binds to EGFR. A custom mini-cholangioscope will be used to image the luminal surfaces of the biliary duct that are exposed to the fluorescence peptide. The images will be recorded and analyzed for relative fluorescence pattern and intensity and correlated to patient diagnosis and clinical outcomes.

Measurement of Digital Colposcopy for Fluorescence Spectroscopy of TNC Using a Second Device

The overall objective of this study is to identify potential improvements for a noninvasive method of diagnosing dysplasia and neoplasia in the cervix using Multi-spectral Digital Colposcopy (MDC), a device that uses fluorescence and reflectance spectroscopy to compare images to histopathologic mapping of the cervical epithelium. Primary Objective: -To measure Multi-spectral Digital Colposcopy images in vivo of the cervix both before and after acetic acid in a screeni...

The Application of Indocyanine-Green(ICG) Fluorescence Imaging in Hepatocellular Carcinoma

This study aims to evaluate the feasibility of indocyanine green (ICG)-based fluorescence imaging in the detection of liver tumors. By correlating the ICG fluorescence patterns with pathologically confirmed tumors , it would be possible to use fluorescence navigation system in helping promoting oncology treatment.

Security and Efficacy of Dorilax® (Fixed Association of Paracetamol 350 mg, Carisoprodol 150 mg and Caffeine 50 mg) Plus Thermal Band Compared to Placebo Plus Thermal Band in the Treatment of Acute Low Back Pain.

National clinical trial, phase III, monocentric, randomized, double-blind, controlled, parallel, study of superiority, in which two hundred and thirty four (234) participants of both sexes, aged equal or more than 18 years and equal or less than 54 years, will be randomly allocated in one of two treatment groups. The first group will use Dorilax® plus thermal band and the second group will use thermal band plus placebo. The results will show the efficacy and security of Dorila...

Post-Operative Outcomes of Low Thermal Dissection vs. Traditional Electrosurgery

Low thermal dissection devices have been introduced as a tool to improve surgical outcomes. PlasmaBlade, a low thermal dissection device, has shown to be associated with effective cutting, and significantly lower temperature than traditional electrosurgical dissection device. Thus, low thermal devices would improve flap perfusion by decreasing the thermal injury resulted by the dissection. Looking into the use of low thermal devices in cases of mastectomy and immediate breast r...

Assessment of a New Fluorescence Imaging Technique Using Biopsies From Prostate Resection

In this study, we aim to evaluate the feasibility of anti-PSMA labelling to detect post-operative prostatic tissues by two ex vivo fluorescence techniques. We will evaluate the feasibility and detection of anti-PSMA labelling by: 1. / the FEMTO-ST institute medical device, 2. / the confocal microscope that will be used to measure fluorescence spectra of biological samples.

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