Search results for: P. Ramos

Items from 1 to 20 out of 311 results

article

Effect of stocking density in plastic boxes without oxygenation on the transport of pirarucu, Arapaima gigas (Schinz, 1822)

Marcel J. M. Santos, Francisco O. Magalhães, João V. Manhães, Itamar J. Soares, more

Journal of the World Aquaculture Society > 53 > 5 > 1031 - 1041

For the evaluation of the effects of the transport density of pirarucu juveniles, 210 juvenile pirarucus, Arapaima gigas (488 ± 26.5 g) were randomly distributed in 12 plastic boxes at transport densities of 98, 146, 195, and 244 g L⁻¹. The transport was carried out on a paved highway for 4 h, and at the end of the transport, all were returned to the laboratory. After transport (AT), 8 fish from each...

article

A Retrospective Analysis of Intravenous vs Oral Antibiotic Step‐Down Therapy for the Treatment of Uncomplicated Streptococcal Bloodstream Infections

Gerardo P. Ramos‐Otero, Preeyaporn Sarangarm, Carla Walraven

The Journal of Clinical Pharmacology > 62 > 11 > 1372 - 1378

Evidence supporting intravenous‐to‐oral (IV‐to‐PO) antibiotic deescalation for uncomplicated streptococcal bloodstream infections (BSIs) are limited. The objective of this study was to compare clinical outcomes of patients treated with IV‐only versus IV‐to‐PO antibiotic therapy for uncomplicated streptococcal BSIs. This was a single‐center, retrospective study of patients aged ≥18 years who received...

article

Antioxidant potential of various extracts from 5 common European mosses and its correlation with phenolic compounds

D. Smolinska-Kondla, M. Zych, P. Ramos, S. Wacławek, more

Herba Polonica > 2022 > 68 > 2

article

Acute toxicity and antitumor potential of 1,3,4‐trisubstituted‐1,2,3‐triazole dhmtAc‐loaded liposomes on a triple‐negative breast cancer model

Jonas P. Ramos, Mostafa A. L. Abdel‐Salam, Daniel A. B. Nobre, Nicolas Glanzmann, more

Archiv der Pharmazie > 355 > 9 > n/a - n/a

For the first time, compounds developed from the 1,2,3‐triazole scaffold were evaluated as novel drugs to treat triple‐negative breast cancer (TNBC). Four organic salts were idealized as nonclassical bioisosteres of miltefosine, which is used in the topical treatment for skin metastasizing breast carcinoma. Among them, derivative dhmtAc displayed better solubility and higher cytotoxicity against the...

article

The impact of surgical delay on resectability of colorectal cancer: An international prospective cohort study

COVIDSurg Collaborative, Michel Adamina, Adesoji Ademuyiwa, Adewale Adisa, more

Colorectal Disease > 24 > 6 > 708 - 726

Aim The SARS‐CoV‐2 pandemic has provided a unique opportunity to explore the impact of surgical delays on cancer resectability. This study aimed to compare resectability for colorectal cancer patients undergoing delayed versus non‐delayed surgery. Methods This was an international prospective cohort study of consecutive colorectal cancer patients with a decision for curative surgery (January–April...

article

Preoperative chemotherapy is a better strategy than upfront surgery in cT4 gastric cancer

Andre R. Dias, Marina A. Pereira, Marcus F. K. P. Ramos, Ulysses Ribeiro, more

Journal of Surgical Oncology > 126 > 1 > 132 - 138

Background Chemotherapy (CMT) followed by surgery is recommended by Western countries for advanced gastric cancer (GC). However, cT4 GC usually undergoes upfront surgery, due to symptoms. This study aimed to evaluate if preoperative CMT is a better strategy than upfront surgery in cT4 GC. Methods All cT4 GCs who underwent curative gastrectomy were included. Patients were divided according to their...

article

Gastrectomy for elderly gastric cancer patients: A propensity score‐matching analysis

Andre R. Dias, Marina A. Pereira, Marcus F. K. P. Ramos, Leandro C. Barchi, more

Journal of Surgical Oncology > 126 > 1 > 108 - 115

Background Although D2‐gastrectomy is the most effective treatment for resectable gastric cancer (GC), it is unclear whether elderly patients have increased risk of morbidity and worse survival. This study aimed to compare the short‐ and long‐term outcomes of older age (OA) patients with those of less advanced age (LAA). Methods GC patients undergoing curative gastrectomy were retrospectively analyzed...

article

Gastric cancer with microsatellite instability displays increased thymidylate synthase expression

Marina A. Pereira, André R. Dias, Marcus F. K. P. Ramos, Leonardo Cardili, more

Journal of Surgical Oncology > 126 > 1 > 116 - 124

Background Gastric cancer (GC) with microsatellite instability (MSI) is a less aggressive disease and associated with resistance to 5‐fluorouracil (5‐FU)‐based chemotherapy (CMT). Thymidylate synthase (TS) is inhibited by 5‐FU, and another potential mediator of therapeutic resistance to 5‐FU. Therefore, we aimed to analyze the association between MSI and TS expression in GC, and its impact on disease...

article

Microalgae‐Derived Green Diesel

Iago G. Costa, José V. Coelho Vargas, Wellington Balmant, Luiz P. Ramos, more

Chemical Engineering & Technology > 45 > 5 > 890 - 897

Microorganisms are able to biosynthesize hydrocarbons (HCs), thus, they could become a new matrix for fuels and chemicals. In this work, Tetradesmus obliquus cultivated for 15 days in 12‐m³ photobioreactors produced dry biomass for hot oil extraction by rotary evaporation. Pure hexane and a mixture of hexane and ethanol solvents produced crude oil, followed by fractional distillation to yield non‐esterifiables...

article

Evaluating educational interventions to increase breast density awareness among Latinas: A randomized trial in a Federally Qualified Health Center

Jennifer L. Ridgeway, Sarah M. Jenkins, Bijan J. Borah, Vera J. Suman, more

Cancer > 128 > 5 > 1038 - 1047

Background The objective of this randomized trial was to evaluate the short‐term effect of bilingual written and interpersonal education regarding mammographic breast density (MBD). Methods Latinas aged 40 to 74 years who were presenting for screening mammography were recruited and randomized 1:1:1 to receive a letter with their mammogram and MBD results (usual care [UC]), a letter plus a brochure...

article

IL10 promoter rs6667202 polymorphism is functional in health but not in grade c periodontitis patients: A pilot study

Camila S. Stolf, Catharina M. Sacramento, Hélvis E. S. Paz, Renato A. Machado, more

Journal of Periodontal Research > 57 > 1 > 85 - 93

Background and objective Previous studies have demonstrated an association between the IL10 promoter rs6667202 (C > A) single‐nucleotide polymorphism (SNP) and grade C, stage 3 or 4 periodontitis (Perio4C) in the Brazilian population, where the altered A allele was detected more frequently in these patients. However, no functional analysis of this variation has yet been performed. Thus, the objective...

article

Different amounts of sugarcane trash left on the soil: Effects on microbial and enzymatic indicators in a short‐term experiment

Rosana Faria Vieira, Nilza P. Ramos, Ricardo Antônio A. Pazianotto, Matt Aitkenhead

Soil Use and Management > 37 > 3 > 658 - 666

When using mechanical harvesting, the sugarcane trash can be partially recovered for use as feedstock for bioenergy. However, the amount of trash that can be removed without prejudicing the sustainability of the sugarcane production system has still been little studied. The aim of this study was to evaluate the short‐term impact of removing part of the sugarcane trash using enzymatic and microbiological...

article

Letter: safety of immune checkpoint inhibitors in patients with pre‐established microscopic colitis—a single‐centre experience

Thomas W. Fredrick, Manuel B. Braga Neto, Guilherme P. Ramos, Sunanda Kane, more

Alimentary Pharmacology & Therapeutics > 54 > 2 > 217 - 218

article

Outcomes from elective colorectal cancer surgery during the SARS‐CoV‐2 pandemic

COVIDSurg Collaborative, James C. Glasbey, Dmitri Nepogodiev, Joana F. F. Simoes, more

Colorectal Disease > 23 > 3 > 732 - 749

Aim This study aimed to describe the change in surgical practice and the impact of SARS‐CoV‐2 on mortality after surgical resection of colorectal cancer during the initial phases of the SARS‐CoV‐2 pandemic. Method This was an international cohort study of patients undergoing elective resection of colon or rectal cancer without preoperative suspicion of SARS‐CoV‐2. Centres entered data from their...

article

Non‐invasive setup for grape maturation classification using deep learning

Rodrigo P Ramos, Jéssica S Gomes, Ricardo M Prates, Eduardo F Simas Filho, more

Journal of the Science of Food and Agriculture > 101 > 5 > 2042 - 2051

Background The San Francisco Valley region from Brazil is known worldwide for its fruit production and exportation, especially grapes and wines. The grapes have high quality not only due to the excellent morphological characteristics, but also to the pleasant taste of their fruits. Such features are obtained because of the climatic conditions present in the region. In addition to the favorable climate...

article

Clinical utility of ventilatory and gas exchange evaluation during low‐intensity exercise for risk stratification and prognostication in pulmonary arterial hypertension

Ana Luiza C. Sayegh, Bruno Moreira Silva, Eloara V.M. Ferreira, Roberta P. Ramos, more

Respirology > 26 > 3 > 264 - 272

Background and objective Peak oxygen consumption (pVO₂), determined from CPET, provides a valuable indication of PAH severity and patient prognosis. However, CPET is often contraindicated in severe PAH and frequently terminated prior to achievement of a sufficient exercise effort. We sought to determine whether in PAH low‐intensity [i.e. freewheeling exercise (FW)] exercise reveals abnormal V_E/VCO...

article

A state of the art of flat‐slab frame tests for gravity and lateral loading

Dario Coronelli, Aurelio Muttoni, Ion R. Pascu, Antonio P. Ramos, more

Structural Concrete > 21 > 6 > 2764 - 2781

This paper presents a critical review of the state of the art of experimental research concerning the seismic response of reinforced concrete flat slab frames. After a summary of tests on connections, the paper examines tests carried out on frames with gravity and cyclic lateral loading, and shake table tests; scaled specimens and one real scale study are included. A discussion of the results reached...

article

Timing of nasogastric tube insertion and the risk of postoperative pneumonia: an international, prospective cohort study

EuroSurg Collaborative, JC Glasbey, S Bibi, F Pata, more

Colorectal Disease > 22 > 12 > 2288 - 2297

Aim Aspiration is a common cause of pneumonia in patients with postoperative ileus. Insertion of a nasogastric tube (NGT) is often performed, but this can be distressing. The aim of this study was to determine whether the timing of NGT insertion after surgery (before versus after vomiting) was associated with reduced rates of pneumonia in patients undergoing elective colorectal surgery. Method...

article

Delaying surgery for patients with a previous SARS‐CoV‐2 infection

COVIDSurg Collaborative, James C Glasbey, Dmitri Nepogodiev, Omar Omar, more

British Journal of Surgery > 107 > 12 > e601 - e602

article

Uncovering Biological Application of Brazilian Green Propolis: A Phenotypic Screening against Schistosoma mansoni

Lucas A. de L. Paula, Mario F. C. Santos, Mariana C. Pagotti, Renata Faleiros, more

Chemistry & Biodiversity > 17 > 9 > n/a - n/a

The chemotherapy of schistosomiasis remains centered in the use of praziquantel, however, there has been growing resistant parasites to this drug. Thus, the aim of this work was to evaluate in vitro schistosomicidal activity of the hexanes/dichloromethane 1 : 1 extract of Brazilian green propolis (Pex), as well as its major isolated compounds artepillin C, caffeic acid, coumaric acid and drupanin...

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INFONA - science communication portal

Search results for: P. Ramos

Effect of stocking density in plastic boxes without oxygenation on the transport of pirarucu, Arapaima gigas (Schinz, 1822)

A Retrospective Analysis of Intravenous vs Oral Antibiotic Step‐Down Therapy for the Treatment of Uncomplicated Streptococcal Bloodstream Infections

Antioxidant potential of various extracts from 5 common European mosses and its correlation with phenolic compounds

Acute toxicity and antitumor potential of 1,3,4‐trisubstituted‐1,2,3‐triazole dhmtAc‐loaded liposomes on a triple‐negative breast cancer model

The impact of surgical delay on resectability of colorectal cancer: An international prospective cohort study

Preoperative chemotherapy is a better strategy than upfront surgery in cT4 gastric cancer

Gastrectomy for elderly gastric cancer patients: A propensity score‐matching analysis

Gastric cancer with microsatellite instability displays increased thymidylate synthase expression

Microalgae‐Derived Green Diesel

Evaluating educational interventions to increase breast density awareness among Latinas: A randomized trial in a Federally Qualified Health Center

IL10 promoter rs6667202 polymorphism is functional in health but not in grade c periodontitis patients: A pilot study

Different amounts of sugarcane trash left on the soil: Effects on microbial and enzymatic indicators in a short‐term experiment

Letter: safety of immune checkpoint inhibitors in patients with pre‐established microscopic colitis—a single‐centre experience

Outcomes from elective colorectal cancer surgery during the SARS‐CoV‐2 pandemic

Non‐invasive setup for grape maturation classification using deep learning

Clinical utility of ventilatory and gas exchange evaluation during low‐intensity exercise for risk stratification and prognostication in pulmonary arterial hypertension

A state of the art of flat‐slab frame tests for gravity and lateral loading

Timing of nasogastric tube insertion and the risk of postoperative pneumonia: an international, prospective cohort study

Delaying surgery for patients with a previous SARS‐CoV‐2 infection

Uncovering Biological Application of Brazilian Green Propolis: A Phenotypic Screening against Schistosoma mansoni

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