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I’m working on turning waste-protein streams into a quantifiable flow of ammonia gas and need a fresh set of eyes on the chemistry itself. The core task is process optimization: fine-tune the alkaline hydrolysis reactions so the conversion rate climbs, the reaction time drops, and the ammonia produced can be captured and measured with confidence. Where things stand • Bench-scale equipment is in place, and I can maintain stable temperature and agitation. • Early runs show ammonia, but yields are inconsistent and the reaction sometimes stalls. • I have log sheets of pH, NaOH/KOH loading, protein concentration, reaction time, and gas readings (Dräger tubes + basic NH₃ sensor). What I need from you • Review my current protocol and datasets, then pinpo...

I am in need of a formulation chemist / nutritionist / doctor with expertise in nutraceuticals, including herbal supplements, to help me create a line of products focused on health maintenance. Key Requirements: - Specialization in nutraceutical formulations, including herbal and natural supplements - Strong understanding of health and nutrition - Prior experience in product development for health maintenance - Prior experience in feasibility on different forms of product - granules, powder, dissolvable strips, viscous liquids, gummies, effervescent tablets etc Your role would be to: - Develop safe and effective health supplement formulations that cater to health maintenance - Research and select appropriate ingredients, including herbal for the formulations - suggest feasibility of diff...

Hi, I’m working on a colored flame candle development project and I’m looking for guidance from someone with chemistry experience. Objective:Create solid molded candles (not gel/container candles) that burn with bright visible flame colors such as red/magenta, green, and orange, ideally visible even in daylight. Key constraints for the project: Manufacturing must be simple and scalable. No complicated synthesis or multi-step laboratory reactions. Only cheap, easily available chemicals that can be sourced easily in the market. The candle should also support fragrance oils (scented candle). Avoid highly toxic compounds or chemicals that may create breathing hazards. Prefer materials that could realistically pass consumer product safety approvals. What I need help with:I...

I want to develop an Eau de Parfum with a distinctly floral character. The finished juice should feel elegant and modern—think soft petals that longer on skin for hours without tipping into anything powdery or old-fashioned. Here’s what I need from you: • A complete formula that can be produced at scale, including concentrations for both fragrance oils and alcohol. • Guidance on sourcing IFRA-compliant genuine raw materials so the scent can ship internationally or nationally. • Two physical lab samples (10 mL each) so I can evaluate longevity and sillage before final sign-off. • Full documentation: GC/MS breakdown, allergen listing, and clear percentages for each material to facilitate future manufacturing. My personal bias is toward a floral pr...

I need a comprehensive drinking water purification system for residential use. The system should effectively remove harmful contaminants, ensuring safe and clean drinking water. Key Requirements: - Design a user-friendly, efficient purification system - Suitable for residential scale - Ability to remove contaminants (specific contaminants to be defined) - Installation and maintenance guidelines Ideal Skills and Experience: - Expertise in water treatment technologies - Experience with residential water purification systems - Knowledge of water quality standards and regulations - Strong problem-solving skills and attention to detail Looking for a qualified professional to ensure high-quality, safe drinking water for my home.

I need an Aspen Plus specialist to build and analyse a full process-flow model for my plant concept. The priority is clear, accurate design and thorough performance analysis rather than broad optimisation at this stage. You will start from my raw stream data and block sketch, translate it into a working Aspen Plus flowsheet, size and configure the major equipment, then deliver a concise technical report that explains assumptions, convergence settings, key results and any recommendations for improvement. If you rely on add-ins or external calculation tools, note them explicitly so I understand the full workflow. Deliverables • Aspen Plus (.apw) file with fully converged flowsheet • Brief design report (PDF or Word) summarising methodology, equipment sizing, energy and mass ...

I need an experienced palm-oil technologist to help me raise the purity and improve the chemical profile of my crude palm oil by fine-tuning the existing refining line. My current production meets basic food-grade standards, but I want a cleaner product with lower FFA, peroxide, and trace metal levels so it competes with premium brands. The focus is strictly on refining process optimization—no changes to raw-material sourcing or additive blends at this stage. What I need from you • Audit of my present degumming, neutralization, bleaching, and deodorization steps (P&IDs, temperatures, residence times, vacuum levels, etc.) • Data-driven recommendations for parameter tweaks or equipment upgrades that can realistically be implemented on my line • Predicted ta...

First: Technical and Protective Products Effectiveness depends on selecting materials with a broad spectrum and high rate of action. MSF Medical Guidelines MSF Medical Guidelines Advanced Chemical Disinfectants: Chlorhexidine: Used to disinfect the skin before surgical procedures and when inserting intravenous catheters; it is characterized by its extended effect. Alcohol-Based Disinfectants: Considered the gold standard for routine hand hygiene due to their ease of use and rapid effectiveness against microbes. Modern Sterilization Equipment: Autoclaves: Use pressurized steam to sterilize surgical instruments, an essential method for ensuring complete germ elimination. Plasma or Ethylene Oxide Sterilization Techniques: For heat-sensitive instruments such as endoscopes. Personal Protective...

First: Technical and Protective Products Effectiveness depends on selecting materials with a broad spectrum and high rate of action. MSF Medical Guidelines MSF Medical Guidelines Advanced Chemical Disinfectants: Chlorhexidine: Used to disinfect the skin before surgical procedures and when inserting intravenous catheters; it is characterized by its extended effect. Alcohol-Based Disinfectants: Considered the gold standard for routine hand hygiene due to their ease of use and rapid effectiveness against microbes. Modern Sterilization Equipment: Autoclaves: Use pressurized steam to sterilize surgical instruments, an essential method for ensuring complete germ elimination. Plasma or Ethylene Oxide Sterilization Techniques: For heat-sensitive instruments such as endoscopes. Personal Protective...

I'm looking for Mathematics and Biomedical research expert and engineer to help out with project ideas and execution.

I need a detailed 3000-word Chemistry Internal Assessment focused on redox reactions for the International Baccalaureate Diploma Program. The topic should be centered on chemical reactions, specifically redox reactions. Key Requirements: - In-depth exploration of redox reactions - Can include aspects like electrode potentials, balancing equations, or real-life applications - Adhere to IB Chemistry IA guidelines - High level of scientific accuracy and clarity - Proper citations and references Ideal Skills & Experience: - Background in chemistry, preferably IB level - Strong research and writing skills - Familiarity with IB Internal Assessment criteria - Able to preferably write a level 6-7 IA - Able to write it in 1 week

I am seeking a qualified professional with demonstrated experience in both Engineering and Industrial Hygiene to develop a comprehensive, technically sound Industrial Hygiene (IH) proposal. The proposal must be written to a high professional standard and suitable for submission to corporate, regulatory, and/or government clients. The successful candidate must have strong knowledge of occupational exposure assessment, sampling methodologies (air, bulk, wipe, noise, etc.), ventilation evaluation, and regulatory compliance frameworks. Experience developing defensible IH sampling strategies, risk assessments, and technical scopes of work is essential. The final deliverable should reflect senior-level Industrial Hygiene competency (CIH-level quality), including clear objectives, methodology, Q...

I need a seasoned academic writer who can craft a 4,000–5,000-word manuscript on “Molecular Design of Silicone Adhesives with Thermal Resistance at 500 °C and Synergistic Acid-Thermal Aging Mechanism,” polished enough for submission to an EI-indexed journal. Scope and focus The paper must be organised in my custom structure—Abstract, Literature Review, Methodology, Findings, Discussions and Implications—with particular strength in the Analysis and Results content. You will be drawing on up-to-date polymer chemistry and materials-science literature, then translating experimental insights into a clear narrative that highlights how molecular design choices translate into sustained performance at 500 °C, especially under combined acid and thermal stress...

Project Title: Medical Device V&V Testing — Contract Biomedical Engineer (Bay Area, 4-6 weeks) Description: We're an early-stage medical device startup preparing an IRB submission for an early feasibility clinical study of an Intermittent Hypoxic-Hyperoxic Therapy (IHHT) device. We need an experienced contract biomedical engineer to execute verification and validation testing on 3 prototype units in the San Francisco Bay Area, starting mid-April 2026. Scope of work: FiO2 & gas delivery characterization — measure oxygen concentration accuracy across the operating range (8-35% FiO2) using calibrated external oxygen analyzer and flow meter. Continuous logging over extended test sessions to characterize PSA cycling dynamics, transient behavior, and stability. Syste...

I'm looking for a skilled designer to create several items for the Mexican army. The project involves: Uniforms: - Design and fit - Material selection Gear and Equipment: - Design of protective gear Ideal candidates should have experience in military design, strong understanding of functional materials, and an eye for practical and ergonomic design. Please provide a portfolio of relevant work.

I require a fully-formatted, 16-section Safety Data Sheet that meets the latest Globally Harmonised System (GHS) guidelines. The product in question is an industrial-use liquid chemical, so accuracy in hazard identification, classification, and labelling is critical. All content must align with international standards (EU CLP, OSHA HazCom 2012, UN GHS Rev 9 where applicable). I will provide the raw formulation data, test results, and any existing technical sheets; you will transform these into a compliant SDS ready for worldwide distribution. Deliverable • One editable SDS document (Word) plus a print-ready PDF, laid out in the standard 16-section order with correct pictograms, signal words, H- and P-statements, transport information, and regulatory references. Acceptance will ...

I’m looking for a chemist who can take the lead on formulation adjustments for a new set of histopathology-related reagents that will be used in our medical-device line. The core of the assignment is to fine-tune the current formulation, run stability tests to confirm performance. Freelance Formulation Chemist – ISTOS Medical (Histopathology Reagents) Project Scope Support chemical formulation, reagent preparation, and quality validation for histopathology and medical device applications. Responsibilities Develop and prepare chemical formulations for histopathology reagents (stains, buffers, fixatives, mounting media). Conduct reagent preparation and testing in line with ISO/GMP standards. Perform analytical validation of reagents (quality control, reproducibility, stabil...