نتایج جستجو برای: ph meter
تعداد نتایج: 192961 فیلتر نتایج به سال:
PURPOSE This study compared the flow rate and pH of resting (unstimulated) and stimulated whole saliva before and after complete denture placement in different age groups. MATERIALS AND METHODS Fifty healthy, non-medicated edentulous individuals of different age groups requiring complete denture prostheses were selected from the outpatient department. The resting (unstimulated) and stimulated...
The elements La, Y, Pr, Nd, Sm and Ce form with MgII and operating conditions for magnesium: wavelength, 285.2 nm; slit purpurin (1,2,4-trihydroxyanthraquinone) mixed-metal width, 0.7 nm; and lamp current, 9 mA.The air-to-acetylene complexes which can be extracted into isobutyl methyl ketone ratio and the burner position were adjusted for maximun at pH 7.5. The total content of these metals can...
Kegiatan pengabdian yang dilakukan di Desa Tawangmangu bertujuan untuk menumbuhkan dan mengembangkan kesadaran pentingnya wirausaha sebagai salah satu solusi menghadapi situasi pandemi Covid-19 membantu meningkatkan pengetahuan akan budidaya secara hidroponik. Metode dipakai guna mencapai tujuan dimaksud adalah penyuluhan, pelatihan pembuatan hidroponik sistem wick talang (NFT). Penyemaian beni...
The use of postural restriction in the treatment of patients with hiatus hernia has been analysed using continuous oesophageal pH measurements. It appears that it is not effective in the prevention of reflux of acid. The percentage of the time during which oesophageal pH remains below 5 is not significantly different when comparison is made during periods of sitting and lying. The frequency of ...
OBJECTIVES Despite the important implication for women's health and reproduction, very few studies have focused on vaginal PH for menopausal diagnosis. Recent studies have suggested vaginal PH as a simple, noninvasive and inexpensive method for this purpose. The aim of this study is to compare serum FSH level with vaginal PH in menopause. METHODS This is a cross-sectional, descriptive study, ...
In cell culture, the pH of the culture medium is one of the most important conditions. However, the culture medium may have non-uniform pH distribution due to activities of cells and changes in the environment. Although it is possible to measure the pH distribution with an existing pH meter using distributed electrodes, the method involves direct contact with the medium and would greatly increa...
The Relationship between Gastric Juice Nitrate/Nitrite Concentrations and Gastric Mucosal Surface pH
PURPOSE To investigate gastric juice nitrate/nitrite concentration according to mucosal surface pH extent (area) of gastric corpus intimately contacting the gastric juice. MATERIALS AND METHODS We included ninety-nine patients with dyspepsia. To evaluate gastric mucosal surface pH and its extent, gastric chromosocpy was performed by spraying phenol red dye on the corpus mucosa and estimating ...
Homeostasis of ionized calcium in biofluids is critical for human biological functions and organ systems. Measurement of ionized calcium for clinical applications is not easily accessible due to its strict procedures and dependence on pH. pH balance in body fluids greatly affects metabolic reactions and biological transport systems. Here, we demonstrate a wearable electrochemical device for con...
Salivary pH is associated with esophageal acid reflux and neutralization of esophageal acid. In this study, we assessed the association between nocturnal decline of salivary pH and airway hyperresponsiveness. Salivary pH was serially assessed in 9 patients with mild asthma (7 men and 2 women; mean age 33.3 years; mean %predicted FEV(1.0) 89.4%) and 10 healthy volunteers (6 men and 4 women; mean...
Genetic improvement of grain yield is always an important objective in wheat breeding. Here, a genome-wide association study was conducted to parse the complex genetic composition of yield-related traits of 105 elite wheat varieties (lines) using the Wheat 90K Illumina iSelect SNP array. Nine yield-related traits, including maximum number of shoots per square meter (MSN), effective number of sp...
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