Titre : Lyophilisation

Lyophilisation : Questions médicales fréquentes

Termes MeSH sélectionnés :

Prostheses and Implants
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"@type": "Question", "name": "Y a-t-il des effets secondaires de la lyophilisation ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "La lyophilisation n'a pas d'effets secondaires directs, mais peut altérer certains nutriments." } }, { "@type": "Question", "name": "Comment éviter la dégradation des produits lyophilisés ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Conservez-les dans un endroit frais, sec et à l'abri de la lumière pour préserver leur qualité." } }, { "@type": "Question", "name": "Quelles conditions sont idéales pour stocker des produits lyophilisés ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Un environnement à faible humidité et température stable est idéal pour le stockage." } }, { "@type": "Question", "name": "Comment réhydrater un produit lyophilisé ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Il suffit d'ajouter de l'eau à température ambiante ou chaude selon le produit." } }, { "@type": "Question", "name": "Quels produits sont souvent lyophilisés ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les fruits, légumes, viandes et médicaments sont couramment lyophilisés pour la conservation." } }, { "@type": "Question", "name": "Quels risques si un produit lyophilisé est mal stocké ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Un mauvais stockage peut entraîner une perte de qualité, de goût et de valeur nutritionnelle." } }, { "@type": "Question", "name": "Peut-on consommer un produit lyophilisé périmé ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Il est déconseillé de consommer un produit périmé, même s'il semble intact." } }, { "@type": "Question", "name": "Quels facteurs influencent la qualité de la lyophilisation ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La température, la pression et la durée du processus de lyophilisation influencent la qualité." } }, { "@type": "Question", "name": "Quels produits sont plus sensibles à la lyophilisation ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Les produits riches en graisses ou en sucres peuvent être plus sensibles à la dégradation." } } ] } ] }

Sources (10000 au total)

Capsule Dynamics, Implantation, and Explantation of the Smaller Incision, New-Generation Implantable Miniature Telescope: a Miyake-Apple Study.

The smaller incision, new-generation implantable miniature telescope is a novel implant to optimize vision in retinal patients with central vision loss. Using Miyake-Apple techniques we visualized the... Using the Miyake-Apple technique, we assessed capsular bag deformation after successful implantation of the device in human autopsy eyes. We assessed rescue strategies for converting a sulcus implanta... Acceptable zonular stress was observed during the successful implantation of the SING IMT. When it was implanted in the sulcus, one could reposition the haptics into the bag with two spatulas using co... The SING IMT can be safely implanted without significant zonular stress. In sulcus implantation and explantation, repositioning of the haptic is achievable without perturbing zonular stress using the ...

Clinical performance of zirconium implants compared to titanium implants: a systematic review and meta-analysis of randomized controlled trials.

To quantitatively assess and compare the clinical outcomes, including survival rate, success rate, and peri-implant indices of titanium and zirconium implants in randomized controlled trials.... The electronic databases searched included the Cochrane Central Register of Controlled Trials (CENTRAL), Medline... A total of four studies from six publications reviewed were included. Two of the comparative studies were assessed at minimal risk of bias. Zirconium implants may have a lower survival rate (risk rati... Zirconium implants may have higher failure rates due to their mechanical weakness. Zirconium implants should be strictly assessed before they enter the market. Further studies are required to confirm ...

Applying 3D-printed prostheses to reconstruct critical-sized bone defects of tibial diaphysis (> 10 cm) caused by osteomyelitis and aseptic non-union.

Clinical repair of critical-sized bone defects (CBDs) in the tibial diaphysis presents numerous challenges, including inadequate soft tissue coverage, limited blood supply, high load-bearing demands, ... This retrospective study included 14 patients (11 males and 3 females) with an average age of 46.0 years. The etiologies of CBDs comprised chronic osteomyelitis (10 cases) and aseptic non-union (4 cas... The mean postoperative follow-up duration was 28.4 months, with an average waiting period between prosthesis implantation and weight-bearing of 10.4 days. At the latest follow-up, all patients demonst... Utilization of 3D-printed prostheses facilitates prompt restoration of CBDs in the tibial diaphysis, enabling early initiation of weight-bearing activities and recovery of ambulatory function. This ef...

Color variations during digital imaging of facial prostheses subjected to unfiltered ambient light and image calibration techniques within dental clinics: An in vitro analysis.

The study aimed to evaluate 1) the amount of color variations presents within clinical images of maxillofacial prosthetic silicone specimens when photographed under different clinically relevant ambie... 432 measurements were acquired from standardized images of the pigmented prosthetic silicone specimens within different ambient lighting conditions (i.e., 2 windowed and 2 windowless clinics) at noon ... Images in windowless and windowed clinics exhibited highly significant differences (p < 0.001) with spectrophotometer (control). CWBC demonstrated no significant differences (p > 0.05) in LAB values a... Significant color variations were present for maxillofacial prosthetic specimens owing to natural ambient light. CWBC and PPWBC using color charts were more suitable for color correction across window...

Long-term complications of cosmetic iris implants.

Additive cosmetic implants (NewColorIris, Kahn Medical Devices, Panama City, Panama) are placed in the anterior chamber, in order to externally change iris color. There is a lack of robust clinical lo... A 41-year-old Caucasian woman presented with blurred vision in both eyes over the last 6 months. Fifteen years earlier, she had undergone bilateral implantation of additive iris implants for aesthetic... Cosmetic implants in contact to the iris can remain quiescent for years, leading to possible complications that can present even in the long-term. The degree of implant decentration, the stage of angl...

Intracorneal ring segment implantation in advanced Keratoconus.

To compare the clinical outcomes of intracorneal ring segment (ICRS) implantation in eyes with advanced vs. mild/moderate keratoconus (KCN).... A retrospective analysis of 141 eyes of 111 patients with KCN who underwent ICRS implantation. Preoperative maximum keratometry (Kmax) was <57 diopters (D) in 70 eyes and >57 D in 71 eyes. Postoperati... Corneas with a preoperative Kmax >57 D experienced greater reduction in axial curvature after ICRS implantation than corneas with a preoperative Kmax <57 D (7.0 D vs. 5.5 D,... The visual and topographic effects of ICRS implantation are greater in eyes with more advanced KCN, with no increase in the incidence of the most common complications....