نتایج جستجو برای: hydrochloric acid37 merck
تعداد نتایج: 13329 فیلتر نتایج به سال:
The Catalysis Laboratory at Merck was established in 2002 to discover and develop asymmetric hydrogenation transformations for application the company’s pipeline. Twenty years later, it is safe say that not only what now feels like modest goal accomplished, but many varied catalytic technologies have also emerged from this group. Furthermore, successes achieved locally spawned an array of furth...
Health effects of acute exposure • The main routes of exposure to hydrogen chloride are via inhalation, or skin or eye contact and exposure to hydrochloric acid is predominantly by ingestion, or skin or eye contact • Inhalation may cause irritation to nose and upper respiratory tract, ulceration, coughing, chest tightness and shortness of breath. Higher concentrations cause tachypnoea, pulmonar...
The acidity of the gastric contents in the unfed newborn infant was first investigated by Szydlowski (1892a and b). He recorded the presence of free hydrochloric acid. Hess (1913) found free hydrochloric acid in varying amounts in 54 out of 55 infants, and recorded unexpectedly high values. Pollitzer (1921) made similar observations on 100 infants. The pH of the gastric contents was estimated f...
This study aimed at testing how active and inactive enamel caries lesions differ by their degree of resin infiltration, and whether the choice of acid pretreatment plays a crucial role. Four examiners assessed 104 human molars and premolars with noncavitated enamel lesions and classified them as 'active' or 'inactive' using the Nyvad criteria. Forty-five teeth were included in this study after ...
G ardasil, the vaccine that protects women from common strains of the human papillomavirus (HPV) responsible for about 70% of cervical cancers, has proved successful. According to the Centers for Disease Control and Prevention’s National Immunization Survey, about 25% of women have received the vaccine. Now Merck, the pharmaceutical giant that manufactures Gardasil, is looking to match that suc...
Diane Hardy, Chief Microbiologist, Regeneron Brian L. Bell, Senior Scientist, Bristol-Myers Squibb Ren-Yo Forng, Site Microbiologist, Astra Zeneca Michael Knight, Senior Manager QC Microbiology, Genentech Anita Bawa, Director QC, Bayer Stephanie Ramsey, Manager Quality Systems, Baxter Christine Arbesser-Rastburg, Director Quality Operations / Microbiology, Baxter Mousumi Paul, Associate Directo...
In the course of our screening for new antibiotics, we have found heneicomycin (antibiotic A21A)1) in culture broth of a newly isolated strain of Streptomyces filipinensis, designated NRRL #11044 (MA-4581 in the Merck & Co., Inc. culture collection). From the physico-chemical and biological properties described in this communication, heneicomycin is considered to be equivalent to 3-deoxyaurodox...
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