Publications by authors named "Blatt S"

Article Synopsis
  • This study compares the effectiveness of second-generation autologous platelet concentrate, Platelet-Rich Fibrin (PRF), with first-generation Platelet-Rich Plasma (PRP) in promoting wound healing through various biological assessments.
  • It was found that PRF contains a higher concentration of leukocytes and has a more favorable effect on macrophage polarization, which is crucial for reducing inflammation and promoting healing.
  • Additionally, PRF demonstrated superior pro-angiogenic potential, evidenced by increased neo-vessel formation and branching in vivo, making it a better option for regenerative medicine applications than PRP.
View Article and Find Full Text PDF

Introduction: A level of hesitancy existed among parents when United States Food and Drug Administration (FDA)-approved pediatric COVID-19 vaccines were introduced. We explored attitudes, beliefs, and willingness of health care personnel (HCP) as parents to vaccinate children less than 18 years of age.

Methods: We developed a cross-sectional survey for HCPs as parents, including clinical and nonclinical staff, researchers, and trainees at a single academic medical institution.

View Article and Find Full Text PDF

Free flap failure represents a substantial clinical burden. The role of intraoperative volume management remains controversial, with valid studies lacking. Here, using a large animal model, we investigated the influence of volume management on free flap perfusion and metabolism.

View Article and Find Full Text PDF

We report on the coherent excitation of the ultranarrow ^{1}S_{0}-^{3}P_{2} magnetic quadrupole transition in ^{88}Sr. By confining atoms in a state insensitive optical lattice, we achieve excitation fractions of 97(1)% and observe linewidths as narrow as 58(1) Hz. With Ramsey spectroscopy, we find coherence times of 14(1) ms, which can be extended to 266(36) ms using a spin-echo sequence.

View Article and Find Full Text PDF

Transcription is the primary regulatory step in gene expression. Divergent transcription initiation from promoters and enhancers produces stable RNAs from genes and unstable RNAs from enhancers. Nascent RNA capture and sequencing assays simultaneously measure gene and enhancer activity in cell populations.

View Article and Find Full Text PDF

We apply the direct method of the calculus of variations to show that any nonplanar Frenet curve in can be extended to an infinitely narrow flat ribbon having bending energy. We also show that, in general, minimizers are not free of planar points, yet such points must be isolated under the mild condition that the torsion does not vanish.

View Article and Find Full Text PDF

Purpose: Particulate bovine bone substitutes (BS) are commonly used in oral regeneration. However, more literature is needed focusing on comparative analyses among various particulate bovine BS. This study evaluates pre-clinical and clinical data of different particulate bovine BS in oral regeneration.

View Article and Find Full Text PDF

We demonstrate coherent control of the fine-structure qubit in neutral strontium atoms. This qubit is encoded in the metastable ^{3}P_{2} and ^{3}P_{0} states, coupled by a Raman transition. Using a magnetic quadrupole transition, we demonstrate coherent state initialization of this THz qubit.

View Article and Find Full Text PDF

Introduction: Autologous platelet concentrate (APC) are pro-angiogenic and can promote wound healing and tissue repair, also in combination with other biomaterials. However, challenging defect situations remain demanding. 3D bioprinting of an APC based bioink encapsulated in a hydrogel could overcome this limitation with enhanced physio-mechanical interface, growth factor retention/secretion and defect-personalized shape to ultimately enhance regeneration.

View Article and Find Full Text PDF

In this retrospective study, the clinical and economic implications of microvascular reconstruction of the mandible were assessed, comparing immediate versus delayed surgical approaches. Utilizing data from two German university departments for oral and maxillofacial surgery, the study included patients who underwent mandibular reconstruction following continuity resection. The data assessed included demographic information, reconstruction details, medical history, dental rehabilitation status, and flap survival rates.

View Article and Find Full Text PDF

Objectives: Pre-vascularization of the collagen membranes with autologous platelet concentrates is a standard procedure in oral and maxillofacial surgery. This study analyzed the possible interaction of an acellular collagen membrane of porcine origin (NM) with platelet-rich fibrin (PRF) regarding its rehydration protocol with differences in pH values and effect on angiogenesis.

Materials And Methods: NM was analyzed alone and combined with solid PRF by plotting or co-culturing with injectable PRF.

View Article and Find Full Text PDF

The Research Domain Criteria (RDoC) initiative was established by the US National Institute of Mental Health as a multilevel, disorder-agnostic framework for analysis of human psychopathology through designated domains and constructs, including the "Positive Valence Systems" domain focused on reward-related behavior. This study investigates the reward valuation subconstruct of "effort" and its association with genetic markers, functional neurobiological pathways, and polygenic risk scores for psychopathology in 1215 children aged 6-12 and their parents (n = 1044). All participants completed the effort expenditure for rewards task (EEfRT), which assesses "effort" according to two quantitative measures: hard-task choice and reward sensitivity.

View Article and Find Full Text PDF

Free flap tissue transfer represents the gold standard for extensive defect reconstruction, although malperfusion due to thrombosis remains the leading risk factor for flap failure. Recent studies indicate an increased immune response and platelet activation in connection with pathologic coagulation. The underlying cellular and molecular mechanisms remain poorly understood, however.

View Article and Find Full Text PDF

Objective: Problems with reward processing have been implicated in multiple psychiatric disorders, but psychiatric comorbidities are common and their specificity to individual psychopathologies is unknown. Here, we evaluate the association between reward functioning and general or specific psychopathologies.

Method: 1,213 adults and their1,531 children (ages 6-12) completed various measures of the Positive Valence System domain from the Research Domain Criteria (RDoC).

View Article and Find Full Text PDF
Article Synopsis
  • Transcription is a key regulatory step in gene expression that involves the production of RNAs from both genes and enhancers, with various stability levels among them.
  • The study introduces scGRO-seq, a new single-cell RNA sequencing method, which allows researchers to analyze transcription activity at the single-cell level and understand gene-enhancer interactions better.
  • scGRO-seq reveals that transcription occurs in bursts, showing how closely related genes are co-transcribed and highlighting the influence of super-enhancers on transcription dynamics during the cell cycle.
View Article and Find Full Text PDF

Purpose: Narrow-diameter implants facilitate single-tooth restoration when interdental or inter-implant spaces and bone volume are inadequate for using standard diameter implants. This study reports the short-term data on the clinical safety and performance of a bone-level-tapered two-piece implant with a 2.9 mm diameter in the clinical practice setting.

View Article and Find Full Text PDF

Pediatric providers' stances on HPV vaccination-related policies are largely unknown. To gain insight into pediatric providers' perspectives and potential recommendations for directed policy, we conducted a cross-sectional survey of the American Academy of Pediatrics members in New York. Almost all providers expressed confidence in discussing the HPV vaccine with patients (98.

View Article and Find Full Text PDF

Purpose: This study aimed to investigate the effect of three different osteosynthesis plate systems on failure rates and complications after continuity-interrupting mandibular resections with alloplastic reconstructions.

Materials And Methods: Records of respective patients from 2010 to 2020 were analyzed retrospectively. The analyses included the osteosynthesis plate type (2.

View Article and Find Full Text PDF
[Breathing disorders in children].

Med Klin Intensivmed Notfmed

November 2023

Breathing disorders in children are one of the most common challenges for both parents and physicians. The first step should always consist of the initial clinical assessment concerning the potentially critically ill patient. Using the pediatric assessment triangle (PAT), the rapid evaluation of airway and breathing is crucial.

View Article and Find Full Text PDF

Improved serological biomarkers are needed for the early detection, risk stratification and treatment surveillance of patients with oral squamous cell carcinoma (OSCC). We performed an exploratory study using advanced, highly specific, DNA-aptamer-based serum proteomics (SOMAscan, 1305-plex) to identify distinct proteomic changes in patients with OSCC pre- vs. post-resection and compared to healthy controls.

View Article and Find Full Text PDF

Background And Aims: There is insufficient data regarding clinical characteristics, relapse rates, as well as lymph node metastasis of squamous cell carcinomas of the oral cavity (OSCC) developing from oral lichen planus (OLP-OSCC). The aim of this retrospective study was to evaluate clinical characteristics, as well as relapse, recurrence and survival rates of OLP-OSCC.

Methods: In a retrospective monocenter analysis, all consecutive patients with an OSCC treated in the time period 1st January 2000-December 31 2016 were reviewed.

View Article and Find Full Text PDF

 This article assesses the prevalence of burnout among ophthalmology educators and identifies opportunities to improve well-being in this population.  The research team conducted a cross-sectional study using an institutional review board-exempt survey addressing the domains of the Maslach Burnout Inventory, intent to leave, and interest in wellness activities. Survey participants included ophthalmology residency program directors (PDs) and associate PDs (APDs) who are members of the Association of University Professors of Ophthalmology (AUPO).

View Article and Find Full Text PDF

Autologous platelet concentrates, like liquid platelet rich fibrin (iPRF), optimize wound healing; however, the underlying immunological mechanisms are poorly understood. Platelets, the main cellular component of iPRF, highly express the protein, Glycoprotein A repetitions predominant (GARP), on their surfaces. GARP plays a crucial role in maintaining peripheral tolerance, but its influence on the immune capacity of iPRF remains unclear.

View Article and Find Full Text PDF

Tumor recurrence in oral squamous cell carcinoma (OSCC) is frequent. However, no consensus about follow-up interval is available. The aim of this study was to analyze the recurrence pattern, detection method and associated parameters for possible risk stratification.

View Article and Find Full Text PDF